diff --git a/cmds/cmd/cmd.cpp b/cmds/cmd/cmd.cpp
index 8dad475..be2c702 100644
--- a/cmds/cmd/cmd.cpp
+++ b/cmds/cmd/cmd.cpp
@@ -185,7 +185,7 @@
     int argc = argv.size();
 
     if (argc == 0) {
-        errorLog << "cmd: No service specified; use -l to list all services" << endl;
+        errorLog << "cmd: No service specified; use -l to list all running services. Use -w to start and wait for a service." << endl;
         return 20;
     }
 
@@ -203,14 +203,22 @@
         return 0;
     }
 
-    const auto cmd = argv[0];
+    bool waitForService = ((argc > 1) && (argv[0] == "-w"));
+    int serviceIdx = (waitForService) ? 1 : 0;
+    const auto cmd = argv[serviceIdx];
 
     Vector<String16> args;
     String16 serviceName = String16(cmd.data(), cmd.size());
-    for (int i = 1; i < argc; i++) {
+    for (int i = serviceIdx + 1; i < argc; i++) {
         args.add(String16(argv[i].data(), argv[i].size()));
     }
-    sp<IBinder> service = sm->checkService(serviceName);
+    sp<IBinder> service;
+    if(waitForService) {
+        service = sm->waitForService(serviceName);
+    } else {
+        service = sm->checkService(serviceName);
+    }
+
     if (service == nullptr) {
         if (runMode == RunMode::kStandalone) {
             ALOGW("Can't find service %.*s", static_cast<int>(cmd.size()), cmd.data());
diff --git a/cmds/dumpstate/DumpstateService.cpp b/cmds/dumpstate/DumpstateService.cpp
index 466575f..bfcc058 100644
--- a/cmds/dumpstate/DumpstateService.cpp
+++ b/cmds/dumpstate/DumpstateService.cpp
@@ -84,7 +84,8 @@
                                                 android::base::unique_fd bugreport_fd,
                                                 android::base::unique_fd screenshot_fd,
                                                 int bugreport_mode,
-                                                const sp<IDumpstateListener>& listener) {
+                                                const sp<IDumpstateListener>& listener,
+                                                bool is_screenshot_requested) {
     MYLOGI("startBugreport() with mode: %d\n", bugreport_mode);
 
     // Ensure there is only one bugreport in progress at a time.
@@ -118,7 +119,7 @@
 
     std::unique_ptr<Dumpstate::DumpOptions> options = std::make_unique<Dumpstate::DumpOptions>();
     options->Initialize(static_cast<Dumpstate::BugreportMode>(bugreport_mode), bugreport_fd,
-                        screenshot_fd);
+                        screenshot_fd, is_screenshot_requested);
 
     if (bugreport_fd.get() == -1 || (options->do_screenshot && screenshot_fd.get() == -1)) {
         MYLOGE("Invalid filedescriptor");
@@ -136,6 +137,8 @@
     ds_info->calling_package = calling_package;
 
     pthread_t thread;
+    // Initialize dumpstate
+    ds_->Initialize();
     status_t err = pthread_create(&thread, nullptr, dumpstate_thread_main, ds_info);
     if (err != 0) {
         delete ds_info;
@@ -147,14 +150,13 @@
 }
 
 binder::Status DumpstateService::cancelBugreport() {
-    // This is a no-op since the cancellation is done from java side via setting sys properties.
-    // See BugreportManagerServiceImpl.
-    // TODO(b/111441001): maybe make native and java sides use different binder interface
-    // to avoid these annoyances.
+    std::lock_guard<std::mutex> lock(lock_);
+    ds_->Cancel();
     return binder::Status::ok();
 }
 
 status_t DumpstateService::dump(int fd, const Vector<String16>&) {
+    std::lock_guard<std::mutex> lock(lock_);
     if (ds_ == nullptr) {
         dprintf(fd, "Bugreport not in progress yet");
         return NO_ERROR;
diff --git a/cmds/dumpstate/DumpstateService.h b/cmds/dumpstate/DumpstateService.h
index 6dc0225..ac8d3ac 100644
--- a/cmds/dumpstate/DumpstateService.h
+++ b/cmds/dumpstate/DumpstateService.h
@@ -41,7 +41,8 @@
     binder::Status startBugreport(int32_t calling_uid, const std::string& calling_package,
                                   android::base::unique_fd bugreport_fd,
                                   android::base::unique_fd screenshot_fd, int bugreport_mode,
-                                  const sp<IDumpstateListener>& listener) override;
+                                  const sp<IDumpstateListener>& listener,
+                                  bool is_screenshot_requested) override;
 
     // No-op
     binder::Status cancelBugreport();
diff --git a/cmds/dumpstate/binder/android/os/IDumpstate.aidl b/cmds/dumpstate/binder/android/os/IDumpstate.aidl
index 3f359c8..ba008bb 100644
--- a/cmds/dumpstate/binder/android/os/IDumpstate.aidl
+++ b/cmds/dumpstate/binder/android/os/IDumpstate.aidl
@@ -64,10 +64,12 @@
      * @param screenshotFd the file to which screenshot should be written
      * @param bugreportMode the mode that specifies other run time options; must be one of above
      * @param listener callback for updates; optional
+     * @param isScreenshotRequested indicates screenshot is requested or not
      */
     void startBugreport(int callingUid, @utf8InCpp String callingPackage,
                         FileDescriptor bugreportFd, FileDescriptor screenshotFd,
-                        int bugreportMode, IDumpstateListener listener);
+                        int bugreportMode, IDumpstateListener listener,
+                        boolean isScreenshotRequested);
 
     /*
      * Cancels the bugreport currently in progress.
diff --git a/cmds/dumpstate/binder/android/os/IDumpstateListener.aidl b/cmds/dumpstate/binder/android/os/IDumpstateListener.aidl
index e17f18e..8ff4ca6 100644
--- a/cmds/dumpstate/binder/android/os/IDumpstateListener.aidl
+++ b/cmds/dumpstate/binder/android/os/IDumpstateListener.aidl
@@ -32,7 +32,7 @@
      *
      * @param progress the progress in [0, 100]
      */
-    void onProgress(int progress);
+    oneway void onProgress(int progress);
 
     // NOTE: If you add to or change these error codes, please also change the corresponding enums
     // in system server, in BugreportManager.java.
@@ -54,16 +54,18 @@
 
     /**
      * Called on an error condition with one of the error codes listed above.
+     * This is not an asynchronous method since it can race with dumpstate exiting, thus triggering
+     * death recipient.
      */
     void onError(int errorCode);
 
     /**
      * Called when taking bugreport finishes successfully.
      */
-    void onFinished();
+    oneway void onFinished();
 
     /**
      * Called when screenshot is taken.
      */
-    void onScreenshotTaken(boolean success);
+    oneway void onScreenshotTaken(boolean success);
 }
diff --git a/cmds/dumpstate/dumpstate.cpp b/cmds/dumpstate/dumpstate.cpp
index 3440116..c85c7cf 100644
--- a/cmds/dumpstate/dumpstate.cpp
+++ b/cmds/dumpstate/dumpstate.cpp
@@ -239,6 +239,9 @@
 }
 
 static bool UnlinkAndLogOnError(const std::string& file) {
+    if (file.empty()) {
+        return false;
+    }
     if (unlink(file.c_str())) {
         MYLOGE("Failed to unlink file (%s): %s\n", file.c_str(), strerror(errno));
         return false;
@@ -246,7 +249,6 @@
     return true;
 }
 
-
 int64_t GetModuleMetadataVersion() {
     auto binder = defaultServiceManager()->getService(android::String16("package_native"));
     if (binder == nullptr) {
@@ -1477,6 +1479,8 @@
         ds.AddDir(WMTRACE_DATA_DIR, false);
     }
 
+    ds.AddDir(SNAPSHOTCTL_LOG_DIR, false);
+
     RUN_SLOW_FUNCTION_WITH_CONSENT_CHECK(ds.DumpstateBoard);
 
     /* Migrate the ril_dumpstate to a device specific dumpstate? */
@@ -1605,7 +1609,6 @@
     ds.AddDir(RECOVERY_DATA_DIR, true);
     ds.AddDir(UPDATE_ENGINE_LOG_DIR, true);
     ds.AddDir(LOGPERSIST_DATA_DIR, false);
-    ds.AddDir(SNAPSHOTCTL_LOG_DIR, false);
     if (!PropertiesHelper::IsUserBuild()) {
         ds.AddDir(PROFILE_DATA_DIR_CUR, true);
         ds.AddDir(PROFILE_DATA_DIR_REF, true);
@@ -1728,6 +1731,8 @@
     RunDumpsys("DUMPSYS", {"netpolicy"}, CommandOptions::WithTimeout(90).Build(), SEC_TO_MSEC(10));
     RunDumpsys("DUMPSYS", {"network_management"}, CommandOptions::WithTimeout(90).Build(),
                SEC_TO_MSEC(10));
+    RunDumpsys("DUMPSYS", {"telephony.registry"}, CommandOptions::WithTimeout(90).Build(),
+               SEC_TO_MSEC(10));
     if (include_sensitive_info) {
         // Contains raw IP addresses, omit from reports on user builds.
         RunDumpsys("DUMPSYS", {"netd"}, CommandOptions::WithTimeout(90).Build(), SEC_TO_MSEC(10));
@@ -2168,7 +2173,7 @@
     }
 
     if (ds.options_->do_screenshot) {
-        ds.screenshot_path_ = ds.GetPath(ds.CalledByApi() ? "-tmp.png" : ".png");
+        ds.screenshot_path_ = ds.GetPath(ds.CalledByApi() ? "-png.tmp" : ".png");
     }
     ds.tmp_path_ = ds.GetPath(".tmp");
     ds.log_path_ = ds.GetPath("-dumpstate_log-" + std::to_string(ds.pid_) + ".txt");
@@ -2187,7 +2192,7 @@
         ds.tmp_path_.c_str(), ds.screenshot_path_.c_str());
 
     if (ds.options_->do_zip_file) {
-        ds.path_ = ds.GetPath(ds.CalledByApi() ? "-tmp.zip" : ".zip");
+        ds.path_ = ds.GetPath(ds.CalledByApi() ? "-zip.tmp" : ".zip");
         MYLOGD("Creating initial .zip file (%s)\n", ds.path_.c_str());
         create_parent_dirs(ds.path_.c_str());
         ds.zip_file.reset(fopen(ds.path_.c_str(), "wb"));
@@ -2246,20 +2251,21 @@
     }
 }
 
-static void SetOptionsFromMode(Dumpstate::BugreportMode mode, Dumpstate::DumpOptions* options) {
+static void SetOptionsFromMode(Dumpstate::BugreportMode mode, Dumpstate::DumpOptions* options,
+                               bool is_screenshot_requested) {
     // Modify com.android.shell.BugreportProgressService#isDefaultScreenshotRequired as well for
     // default system screenshots.
     options->bugreport_mode = ModeToString(mode);
     switch (mode) {
         case Dumpstate::BugreportMode::BUGREPORT_FULL:
-            options->do_screenshot = true;
+            options->do_screenshot = is_screenshot_requested;
             options->dumpstate_hal_mode = DumpstateMode::FULL;
             break;
         case Dumpstate::BugreportMode::BUGREPORT_INTERACTIVE:
             // Currently, the dumpstate binder is only used by Shell to update progress.
             options->do_start_service = true;
             options->do_progress_updates = true;
-            options->do_screenshot = true;
+            options->do_screenshot = is_screenshot_requested;
             options->dumpstate_hal_mode = DumpstateMode::INTERACTIVE;
             break;
         case Dumpstate::BugreportMode::BUGREPORT_REMOTE:
@@ -2272,7 +2278,7 @@
             options->do_start_service = true;
             options->do_progress_updates = true;
             options->do_zip_file = true;
-            options->do_screenshot = true;
+            options->do_screenshot = is_screenshot_requested;
             options->dumpstate_hal_mode = DumpstateMode::WEAR;
             break;
         // TODO(b/148168577) rename TELEPHONY everywhere to CONNECTIVITY.
@@ -2309,7 +2315,8 @@
 
 void Dumpstate::DumpOptions::Initialize(BugreportMode bugreport_mode,
                                         const android::base::unique_fd& bugreport_fd_in,
-                                        const android::base::unique_fd& screenshot_fd_in) {
+                                        const android::base::unique_fd& screenshot_fd_in,
+                                        bool is_screenshot_requested) {
     // In the new API world, date is always added; output is always a zip file.
     // TODO(111441001): remove these options once they are obsolete.
     do_add_date = true;
@@ -2319,7 +2326,7 @@
     bugreport_fd.reset(dup(bugreport_fd_in.get()));
     screenshot_fd.reset(dup(screenshot_fd_in.get()));
 
-    SetOptionsFromMode(bugreport_mode, this);
+    SetOptionsFromMode(bugreport_mode, this, is_screenshot_requested);
 }
 
 Dumpstate::RunStatus Dumpstate::DumpOptions::Initialize(int argc, char* argv[]) {
@@ -2388,6 +2395,13 @@
     options_ = std::move(options);
 }
 
+void Dumpstate::Initialize() {
+    /* gets the sequential id */
+    uint32_t last_id = android::base::GetIntProperty(PROPERTY_LAST_ID, 0);
+    id_ = ++last_id;
+    android::base::SetProperty(PROPERTY_LAST_ID, std::to_string(last_id));
+}
+
 Dumpstate::RunStatus Dumpstate::Run(int32_t calling_uid, const std::string& calling_package) {
     Dumpstate::RunStatus status = RunInternal(calling_uid, calling_package);
     if (listener_ != nullptr) {
@@ -2414,6 +2428,17 @@
     return status;
 }
 
+void Dumpstate::Cancel() {
+    CleanupTmpFiles();
+    android::os::UnlinkAndLogOnError(log_path_);
+    for (int i = 0; i < NUM_OF_DUMPS; i++) {
+        android::os::UnlinkAndLogOnError(ds.bugreport_internal_dir_ + "/" +
+                                         kDumpstateBoardFiles[i]);
+    }
+    tombstone_data_.clear();
+    anr_data_.clear();
+}
+
 /*
  * Dumps relevant information to a bugreport based on the given options.
  *
@@ -2487,11 +2512,6 @@
             : "";
     progress_.reset(new Progress(stats_path));
 
-    /* gets the sequential id */
-    uint32_t last_id = android::base::GetIntProperty(PROPERTY_LAST_ID, 0);
-    id_ = ++last_id;
-    android::base::SetProperty(PROPERTY_LAST_ID, std::to_string(last_id));
-
     if (acquire_wake_lock(PARTIAL_WAKE_LOCK, WAKE_LOCK_NAME) < 0) {
         MYLOGE("Failed to acquire wake lock: %s\n", strerror(errno));
     } else {
@@ -2657,15 +2677,6 @@
             MYLOGI("User denied consent. Returning\n");
             return status;
         }
-        if (options_->do_screenshot &&
-            options_->screenshot_fd.get() != -1 &&
-            !options_->is_screenshot_copied) {
-            bool copy_succeeded = android::os::CopyFileToFd(screenshot_path_,
-                                                            options_->screenshot_fd.get());
-            if (copy_succeeded) {
-                android::os::UnlinkAndLogOnError(screenshot_path_);
-            }
-        }
         if (status == Dumpstate::RunStatus::USER_CONSENT_TIMED_OUT) {
             MYLOGI(
                 "Did not receive user consent yet."
@@ -2750,7 +2761,7 @@
     return ds.options_->bugreport_fd.get() != -1 ? true : false;
 }
 
-void Dumpstate::CleanupFiles() {
+void Dumpstate::CleanupTmpFiles() {
     android::os::UnlinkAndLogOnError(tmp_path_);
     android::os::UnlinkAndLogOnError(screenshot_path_);
     android::os::UnlinkAndLogOnError(path_);
@@ -2758,7 +2769,7 @@
 
 Dumpstate::RunStatus Dumpstate::HandleUserConsentDenied() {
     MYLOGD("User denied consent; deleting files and returning\n");
-    CleanupFiles();
+    CleanupTmpFiles();
     return USER_CONSENT_DENIED;
 }
 
@@ -2795,6 +2806,16 @@
         bool copy_succeeded = android::os::CopyFileToFd(path_, options_->bugreport_fd.get());
         if (copy_succeeded) {
             android::os::UnlinkAndLogOnError(path_);
+            if (options_->do_screenshot &&
+                options_->screenshot_fd.get() != -1 &&
+                !options_->is_screenshot_copied) {
+                copy_succeeded = android::os::CopyFileToFd(screenshot_path_,
+                                                           options_->screenshot_fd.get());
+                options_->is_screenshot_copied = copy_succeeded;
+                if (copy_succeeded) {
+                    android::os::UnlinkAndLogOnError(screenshot_path_);
+                }
+            }
         }
         return copy_succeeded ? Dumpstate::RunStatus::OK : Dumpstate::RunStatus::ERROR;
     } else if (consent_result == UserConsentResult::UNAVAILABLE) {
@@ -2819,8 +2840,9 @@
         assert(options_->bugreport_fd.get() == -1);
 
         // calling_uid and calling_package are for user consent to share the bugreport with
-        // an app; they are irrelvant here because bugreport is only written to a local
-        // directory, and not shared.
+        // an app; they are irrelevant here because bugreport is triggered via command line.
+        // Update Last ID before calling Run().
+        Initialize();
         status = Run(-1 /* calling_uid */, "" /* calling_package */);
     }
     return status;
diff --git a/cmds/dumpstate/dumpstate.h b/cmds/dumpstate/dumpstate.h
index 7e27787..498f338 100644
--- a/cmds/dumpstate/dumpstate.h
+++ b/cmds/dumpstate/dumpstate.h
@@ -216,6 +216,9 @@
     /* Checkes whether dumpstate is generating a zipped bugreport. */
     bool IsZipping() const;
 
+    /* Initialize dumpstate fields before starting bugreport generation */
+    void Initialize();
+
     /*
      * Forks a command, waits for it to finish, and returns its status.
      *
@@ -329,11 +332,19 @@
 
     struct DumpOptions;
 
-    /* Main entry point for running a complete bugreport. */
+    /*
+     * Main entry point for running a complete bugreport.
+     *
+     * Initialize() dumpstate before calling this method.
+     *
+     */
     RunStatus Run(int32_t calling_uid, const std::string& calling_package);
 
     RunStatus ParseCommandlineAndRun(int argc, char* argv[]);
 
+    /* Deletes in-progress files */
+    void Cancel();
+
     /* Sets runtime options. */
     void SetOptions(std::unique_ptr<DumpOptions> options);
 
@@ -390,7 +401,8 @@
 
         /* Initializes options from the requested mode. */
         void Initialize(BugreportMode bugreport_mode, const android::base::unique_fd& bugreport_fd,
-                        const android::base::unique_fd& screenshot_fd);
+                        const android::base::unique_fd& screenshot_fd,
+                        bool is_screenshot_requested);
 
         /* Returns true if the options set so far are consistent. */
         bool ValidateOptions() const;
@@ -501,7 +513,7 @@
 
     // Removes the in progress files output files (tmp file, zip/txt file, screenshot),
     // but leaves the log file alone.
-    void CleanupFiles();
+    void CleanupTmpFiles();
 
     RunStatus HandleUserConsentDenied();
 
diff --git a/cmds/dumpstate/tests/dumpstate_smoke_test.cpp b/cmds/dumpstate/tests/dumpstate_smoke_test.cpp
index f26e4db..047a1c3 100644
--- a/cmds/dumpstate/tests/dumpstate_smoke_test.cpp
+++ b/cmds/dumpstate/tests/dumpstate_smoke_test.cpp
@@ -451,7 +451,7 @@
     sp<DumpstateListener> listener(new DumpstateListener(dup(fileno(stdout))));
     android::binder::Status status =
         ds_binder->startBugreport(123, "com.dummy.package", std::move(bugreport_fd), std::move(screenshot_fd),
-                                  Dumpstate::BugreportMode::BUGREPORT_INTERACTIVE, listener);
+                                  Dumpstate::BugreportMode::BUGREPORT_INTERACTIVE, listener, true);
     // startBugreport is an async call. Verify binder call succeeded first, then wait till listener
     // gets expected callbacks.
     EXPECT_TRUE(status.isOk());
@@ -488,7 +488,7 @@
     android::binder::Status status =
         ds_binder->startBugreport(123, "com.dummy.package", std::move(bugreport_fd), std::move(screenshot_fd),
                                   2000,  // invalid bugreport mode
-                                  listener);
+                                  listener, false);
     EXPECT_EQ(listener->getErrorCode(), IDumpstateListener::BUGREPORT_ERROR_INVALID_INPUT);
 
     // The service should have died, freeing itself up for a new invocation.
@@ -519,13 +519,13 @@
     sp<DumpstateListener> listener1(new DumpstateListener(dup(fileno(stdout))));
     android::binder::Status status =
         ds_binder->startBugreport(123, "com.dummy.package", std::move(bugreport_fd), std::move(screenshot_fd),
-                                  Dumpstate::BugreportMode::BUGREPORT_INTERACTIVE, listener1);
+                                  Dumpstate::BugreportMode::BUGREPORT_INTERACTIVE, listener1, true);
     EXPECT_TRUE(status.isOk());
 
     // try to make another call to startBugreport. This should fail.
     sp<DumpstateListener> listener2(new DumpstateListener(dup(fileno(stdout))));
     status = ds_binder->startBugreport(123, "com.dummy.package", std::move(bugreport_fd2), std::move(screenshot_fd2),
-                                       Dumpstate::BugreportMode::BUGREPORT_INTERACTIVE, listener2);
+                                       Dumpstate::BugreportMode::BUGREPORT_INTERACTIVE, listener2, true);
     EXPECT_FALSE(status.isOk());
     WaitTillExecutionComplete(listener2.get());
     EXPECT_EQ(listener2->getErrorCode(),
diff --git a/cmds/dumpstate/tests/dumpstate_test.cpp b/cmds/dumpstate/tests/dumpstate_test.cpp
index 0a0c40e..2efb130 100644
--- a/cmds/dumpstate/tests/dumpstate_test.cpp
+++ b/cmds/dumpstate/tests/dumpstate_test.cpp
@@ -233,7 +233,7 @@
 }
 
 TEST_F(DumpOptionsTest, InitializeFullBugReport) {
-    options_.Initialize(Dumpstate::BugreportMode::BUGREPORT_FULL, fd, fd);
+    options_.Initialize(Dumpstate::BugreportMode::BUGREPORT_FULL, fd, fd, true);
     EXPECT_TRUE(options_.do_add_date);
     EXPECT_TRUE(options_.do_screenshot);
     EXPECT_TRUE(options_.do_zip_file);
@@ -250,7 +250,7 @@
 }
 
 TEST_F(DumpOptionsTest, InitializeInteractiveBugReport) {
-    options_.Initialize(Dumpstate::BugreportMode::BUGREPORT_INTERACTIVE, fd, fd);
+    options_.Initialize(Dumpstate::BugreportMode::BUGREPORT_INTERACTIVE, fd, fd, true);
     EXPECT_TRUE(options_.do_add_date);
     EXPECT_TRUE(options_.do_zip_file);
     EXPECT_TRUE(options_.do_progress_updates);
@@ -267,7 +267,7 @@
 }
 
 TEST_F(DumpOptionsTest, InitializeRemoteBugReport) {
-    options_.Initialize(Dumpstate::BugreportMode::BUGREPORT_REMOTE, fd, fd);
+    options_.Initialize(Dumpstate::BugreportMode::BUGREPORT_REMOTE, fd, fd, false);
     EXPECT_TRUE(options_.do_add_date);
     EXPECT_TRUE(options_.do_zip_file);
     EXPECT_TRUE(options_.is_remote_mode);
@@ -283,7 +283,7 @@
 }
 
 TEST_F(DumpOptionsTest, InitializeWearBugReport) {
-    options_.Initialize(Dumpstate::BugreportMode::BUGREPORT_WEAR, fd, fd);
+    options_.Initialize(Dumpstate::BugreportMode::BUGREPORT_WEAR, fd, fd, true);
     EXPECT_TRUE(options_.do_add_date);
     EXPECT_TRUE(options_.do_screenshot);
     EXPECT_TRUE(options_.do_zip_file);
@@ -300,7 +300,7 @@
 }
 
 TEST_F(DumpOptionsTest, InitializeTelephonyBugReport) {
-    options_.Initialize(Dumpstate::BugreportMode::BUGREPORT_TELEPHONY, fd, fd);
+    options_.Initialize(Dumpstate::BugreportMode::BUGREPORT_TELEPHONY, fd, fd, false);
     EXPECT_TRUE(options_.do_add_date);
     EXPECT_FALSE(options_.do_screenshot);
     EXPECT_TRUE(options_.do_zip_file);
@@ -317,7 +317,7 @@
 }
 
 TEST_F(DumpOptionsTest, InitializeWifiBugReport) {
-    options_.Initialize(Dumpstate::BugreportMode::BUGREPORT_WIFI, fd, fd);
+    options_.Initialize(Dumpstate::BugreportMode::BUGREPORT_WIFI, fd, fd, false);
     EXPECT_TRUE(options_.do_add_date);
     EXPECT_FALSE(options_.do_screenshot);
     EXPECT_TRUE(options_.do_zip_file);
diff --git a/cmds/installd/dexopt.cpp b/cmds/installd/dexopt.cpp
index 70bbc33..1af6edd 100644
--- a/cmds/installd/dexopt.cpp
+++ b/cmds/installd/dexopt.cpp
@@ -1273,11 +1273,6 @@
 Dex2oatFileWrapper maybe_open_app_image(const char* out_oat_path,
         bool generate_app_image, bool is_public, int uid, bool is_secondary_dex) {
 
-    // We don't create an image for secondary dex files.
-    if (is_secondary_dex) {
-        return Dex2oatFileWrapper();
-    }
-
     const std::string image_path = create_image_filename(out_oat_path);
     if (image_path.empty()) {
         // Happens when the out_oat_path has an unknown extension.
diff --git a/cmds/installd/otapreopt.cpp b/cmds/installd/otapreopt.cpp
index eefbe4f..d773790 100644
--- a/cmds/installd/otapreopt.cpp
+++ b/cmds/installd/otapreopt.cpp
@@ -138,10 +138,10 @@
             return 4;
         }
 
-        PrepareEnvironment();
+        PrepareEnvironmentVariables();
 
-        if (!PrepareBootImage(/* force */ false)) {
-            LOG(ERROR) << "Failed preparing boot image.";
+        if (!EnsureBootImageAndDalvikCache()) {
+            LOG(ERROR) << "Bad boot image.";
             return 5;
         }
 
@@ -302,7 +302,7 @@
         return parameters_.ReadArguments(argc, const_cast<const char**>(argv));
     }
 
-    void PrepareEnvironment() {
+    void PrepareEnvironmentVariables() {
         environ_.push_back(StringPrintf("BOOTCLASSPATH=%s", boot_classpath_.c_str()));
         environ_.push_back(StringPrintf("ANDROID_DATA=%s", GetOTADataDirectory().c_str()));
         environ_.push_back(StringPrintf("ANDROID_ROOT=%s", android_root_.c_str()));
@@ -312,9 +312,8 @@
         }
     }
 
-    // Ensure that we have the right boot image. The first time any app is
-    // compiled, we'll try to generate it.
-    bool PrepareBootImage(bool force) const {
+    // Ensure that we have the right boot image and cache file structures.
+    bool EnsureBootImageAndDalvikCache() const {
         if (parameters_.instruction_set == nullptr) {
             LOG(ERROR) << "Instruction set missing.";
             return false;
@@ -340,34 +339,19 @@
             }
         }
 
-        // Check whether we have files in /data.
+        // Clear cached artifacts.
+        ClearDirectory(isa_path);
+
+        // Check whether we have a boot image.
         // TODO: check that the files are correct wrt/ jars.
-        std::string art_path = isa_path + "/system@framework@boot.art";
-        std::string oat_path = isa_path + "/system@framework@boot.oat";
-        bool cleared = false;
-        if (access(art_path.c_str(), F_OK) == 0 && access(oat_path.c_str(), F_OK) == 0) {
-            // Files exist, assume everything is alright if not forced. Otherwise clean up.
-            if (!force) {
-                return true;
-            }
-            ClearDirectory(isa_path);
-            cleared = true;
+        std::string preopted_boot_art_path =
+            StringPrintf("/apex/com.android.art/javalib/%s/boot.art", isa);
+        if (access(preopted_boot_art_path.c_str(), F_OK) != 0) {
+            PLOG(ERROR) << "Bad access() to " << preopted_boot_art_path;
+            return false;
         }
 
-        // Check whether we have an image in /system.
-        // TODO: check that the files are correct wrt/ jars.
-        std::string preopted_boot_art_path = StringPrintf("/system/framework/%s/boot.art", isa);
-        if (access(preopted_boot_art_path.c_str(), F_OK) == 0) {
-            // Note: we ignore |force| here.
-            return true;
-        }
-
-
-        if (!cleared) {
-            ClearDirectory(isa_path);
-        }
-
-        return Dex2oatBootImage(boot_classpath_, art_path, oat_path, isa);
+        return true;
     }
 
     static bool CreatePath(const std::string& path) {
@@ -432,77 +416,6 @@
         CHECK_EQ(0, closedir(c_dir)) << "Unable to close directory.";
     }
 
-    bool Dex2oatBootImage(const std::string& boot_cp,
-                          const std::string& art_path,
-                          const std::string& oat_path,
-                          const char* isa) const {
-        // This needs to be kept in sync with ART, see art/runtime/gc/space/image_space.cc.
-        std::vector<std::string> cmd;
-        cmd.push_back(kDex2oatPath);
-        cmd.push_back(StringPrintf("--image=%s", art_path.c_str()));
-        for (const std::string& boot_part : Split(boot_cp, ":")) {
-            cmd.push_back(StringPrintf("--dex-file=%s", boot_part.c_str()));
-        }
-        cmd.push_back(StringPrintf("--oat-file=%s", oat_path.c_str()));
-
-        int32_t base_offset = ChooseRelocationOffsetDelta(
-                art::imagevalues::GetImageMinBaseAddressDelta(),
-                art::imagevalues::GetImageMaxBaseAddressDelta());
-        cmd.push_back(StringPrintf("--base=0x%x",
-                art::imagevalues::GetImageBaseAddress() + base_offset));
-
-        cmd.push_back(StringPrintf("--instruction-set=%s", isa));
-
-        // These things are pushed by AndroidRuntime, see frameworks/base/core/jni/AndroidRuntime.cpp.
-        AddCompilerOptionFromSystemProperty("dalvik.vm.image-dex2oat-Xms",
-                "-Xms",
-                true,
-                cmd);
-        AddCompilerOptionFromSystemProperty("dalvik.vm.image-dex2oat-Xmx",
-                "-Xmx",
-                true,
-                cmd);
-        AddCompilerOptionFromSystemProperty("dalvik.vm.image-dex2oat-filter",
-                "--compiler-filter=",
-                false,
-                cmd);
-        cmd.push_back("--profile-file=/system/etc/boot-image.prof");
-        // TODO: Compiled-classes.
-        const std::string* extra_opts =
-                system_properties_.GetProperty("dalvik.vm.image-dex2oat-flags");
-        if (extra_opts != nullptr) {
-            std::vector<std::string> extra_vals = Split(*extra_opts, " ");
-            cmd.insert(cmd.end(), extra_vals.begin(), extra_vals.end());
-        }
-        // TODO: Should we lower this? It's usually set close to max, because
-        //       normally there's not much else going on at boot.
-        AddCompilerOptionFromSystemProperty("dalvik.vm.image-dex2oat-threads",
-                "-j",
-                false,
-                cmd);
-        AddCompilerOptionFromSystemProperty("dalvik.vm.image-dex2oat-cpu-set",
-                "--cpu-set=",
-                false,
-                cmd);
-        AddCompilerOptionFromSystemProperty(
-                StringPrintf("dalvik.vm.isa.%s.variant", isa).c_str(),
-                "--instruction-set-variant=",
-                false,
-                cmd);
-        AddCompilerOptionFromSystemProperty(
-                StringPrintf("dalvik.vm.isa.%s.features", isa).c_str(),
-                "--instruction-set-features=",
-                false,
-                cmd);
-
-        std::string error_msg;
-        bool result = Exec(cmd, &error_msg);
-        if (!result) {
-            LOG(ERROR) << "Could not generate boot image: " << error_msg;
-        }
-        return result;
-    }
-
     static const char* ParseNull(const char* arg) {
         return (strcmp(arg, "!") == 0) ? nullptr : arg;
     }
@@ -592,22 +505,6 @@
             return 0;
         }
 
-        // If the dexopt failed, we may have a stale boot image from a previous OTA run.
-        // Then regenerate and retry.
-        if (WEXITSTATUS(dexopt_result) ==
-                static_cast<int>(::art::dex2oat::ReturnCode::kCreateRuntime)) {
-            if (!PrepareBootImage(/* force */ true)) {
-                LOG(ERROR) << "Forced boot image creating failed. Original error return was "
-                        << dexopt_result;
-                return dexopt_result;
-            }
-
-            int dexopt_result_boot_image_retry = Dexopt();
-            if (dexopt_result_boot_image_retry == 0) {
-                return 0;
-            }
-        }
-
         // If this was a profile-guided run, we may have profile version issues. Try to downgrade,
         // if possible.
         if ((parameters_.dexopt_flags & DEXOPT_PROFILE_GUIDED) == 0) {
diff --git a/cmds/servicemanager/ServiceManager.cpp b/cmds/servicemanager/ServiceManager.cpp
index abe6436..cbbea12 100644
--- a/cmds/servicemanager/ServiceManager.cpp
+++ b/cmds/servicemanager/ServiceManager.cpp
@@ -522,6 +522,11 @@
         return Status::fromExceptionCode(Status::EX_ILLEGAL_STATE);
     }
 
+    if (serviceIt->second.guaranteeClient) {
+        LOG(INFO) << "Tried to unregister " << name << ", but there is about to be a client.";
+        return Status::fromExceptionCode(Status::EX_ILLEGAL_STATE);
+    }
+
     int clients = handleServiceClientCallback(name, false);
 
     // clients < 0: feature not implemented or other error. Assume clients.
@@ -532,6 +537,8 @@
     if (clients < 0 || clients > 2) {
         // client callbacks are either disabled or there are other clients
         LOG(INFO) << "Tried to unregister " << name << ", but there are clients: " << clients;
+        // Set this flag to ensure the clients are acknowledged in the next callback
+        serviceIt->second.guaranteeClient = true;
         return Status::fromExceptionCode(Status::EX_ILLEGAL_STATE);
     }
 
diff --git a/docs/images/camera2/metadata/android.control.zoomRatio/zoom-ratio-0.5-crop-11.png b/docs/images/camera2/metadata/android.control.zoomRatio/zoom-ratio-0.5-crop-11.png
new file mode 100644
index 0000000..1acc59d
--- /dev/null
+++ b/docs/images/camera2/metadata/android.control.zoomRatio/zoom-ratio-0.5-crop-11.png
Binary files differ
diff --git a/docs/images/camera2/metadata/android.control.zoomRatio/zoom-ratio-2-crop-169.png b/docs/images/camera2/metadata/android.control.zoomRatio/zoom-ratio-2-crop-169.png
new file mode 100644
index 0000000..4ab9ca4
--- /dev/null
+++ b/docs/images/camera2/metadata/android.control.zoomRatio/zoom-ratio-2-crop-169.png
Binary files differ
diff --git a/docs/images/camera2/metadata/android.control.zoomRatio/zoom-ratio-2-crop-43.png b/docs/images/camera2/metadata/android.control.zoomRatio/zoom-ratio-2-crop-43.png
new file mode 100644
index 0000000..d74e673
--- /dev/null
+++ b/docs/images/camera2/metadata/android.control.zoomRatio/zoom-ratio-2-crop-43.png
Binary files differ
diff --git a/include/android/surface_control.h b/include/android/surface_control.h
index c30dcfe..cbcf6ec 100644
--- a/include/android/surface_control.h
+++ b/include/android/surface_control.h
@@ -409,7 +409,7 @@
 
 #if __ANDROID_API__ >= 30
 
-/*
+/**
  * Sets the intended frame rate for |surface_control|.
  *
  * On devices that are capable of running the display at different refresh rates, the system may
@@ -421,9 +421,9 @@
  *
  * |frameRate| is the intended frame rate of this surface, in frames per second. 0 is a special
  * value that indicates the app will accept the system's choice for the display frame rate, which is
- * the default behavior if this function isn't called. The frameRate param does *not* need to be a
- * valid refresh rate for this device's display - e.g., it's fine to pass 30fps to a device that can
- * only run the display at 60fps.
+ * the default behavior if this function isn't called. The frameRate param does <em>not</em> need to
+ * be a valid refresh rate for this device's display - e.g., it's fine to pass 30fps to a device
+ * that can only run the display at 60fps.
  *
  * |compatibility| The frame rate compatibility of this surface. The compatibility value may
  * influence the system's choice of display frame rate. To specify a compatibility use the
diff --git a/include/android/thermal.h b/include/android/thermal.h
index 0f4b4d9..3247fa1 100644
--- a/include/android/thermal.h
+++ b/include/android/thermal.h
@@ -109,7 +109,7 @@
  * It's passed the updated thermal status as parameter, as well as the
  * pointer provided by the client that registered a callback.
  */
-typedef int (*AThermal_StatusCallback)(void *data, AThermalStatus status);
+typedef void (*AThermal_StatusCallback)(void *data, AThermalStatus status);
 
 /**
   * Acquire an instance of the thermal manager. This must be freed using
diff --git a/include/input/InputTransport.h b/include/input/InputTransport.h
index 8ca178c..7ca9031 100644
--- a/include/input/InputTransport.h
+++ b/include/input/InputTransport.h
@@ -404,6 +404,13 @@
      */
     bool hasPendingBatch() const;
 
+    /* Returns the source of first pending batch if exist.
+     *
+     * Should be called after calling consume() with consumeBatches == false to determine
+     * whether consume() should be called again later on with consumeBatches == true.
+     */
+    int32_t getPendingBatchSource() const;
+
 private:
     // True if touch resampling is enabled.
     const bool mResampleTouch;
diff --git a/libs/binder/ActivityManager.cpp b/libs/binder/ActivityManager.cpp
index 5e4c98f..4f2709d 100644
--- a/libs/binder/ActivityManager.cpp
+++ b/libs/binder/ActivityManager.cpp
@@ -98,6 +98,15 @@
     return PROCESS_STATE_UNKNOWN;
 }
 
+bool ActivityManager::isUidActiveOrForeground(const uid_t uid, const String16& callingPackage)
+{
+    sp<IActivityManager> service = getService();
+    if (service != nullptr) {
+        return service->isUidActiveOrForeground(uid, callingPackage);
+    }
+    return false;
+}
+
 status_t ActivityManager::linkToDeath(const sp<IBinder::DeathRecipient>& recipient) {
     sp<IActivityManager> service = getService();
     if (service != nullptr) {
diff --git a/libs/binder/Android.bp b/libs/binder/Android.bp
index bc541f4..e6cfeb4 100644
--- a/libs/binder/Android.bp
+++ b/libs/binder/Android.bp
@@ -158,7 +158,9 @@
 filegroup {
     name: "libbinder_aidl",
     srcs: [
+        "aidl/android/content/pm/IPackageChangeObserver.aidl",
         "aidl/android/content/pm/IPackageManagerNative.aidl",
+        "aidl/android/content/pm/PackageChangeEvent.aidl",
         "aidl/android/os/IClientCallback.aidl",
         "aidl/android/os/IServiceCallback.aidl",
         "aidl/android/os/IServiceManager.aidl",
diff --git a/libs/binder/AppOpsManager.cpp b/libs/binder/AppOpsManager.cpp
index 43b0da3..2174ce2 100644
--- a/libs/binder/AppOpsManager.cpp
+++ b/libs/binder/AppOpsManager.cpp
@@ -96,11 +96,11 @@
 }
 
 int32_t AppOpsManager::noteOp(int32_t op, int32_t uid, const String16& callingPackage,
-        const std::unique_ptr<String16>& featureId, const String16& message) {
+        const std::unique_ptr<String16>& attributionTag, const String16& message) {
     sp<IAppOpsService> service = getService();
     int32_t mode = service != nullptr
-            ? service->noteOperation(op, uid, callingPackage, featureId, shouldCollectNotes(op),
-                    message)
+            ? service->noteOperation(op, uid, callingPackage, attributionTag,
+                    shouldCollectNotes(op), message)
             : AppOpsManager::MODE_IGNORED;
 
     return mode;
@@ -113,12 +113,12 @@
 }
 
 int32_t AppOpsManager::startOpNoThrow(int32_t op, int32_t uid, const String16& callingPackage,
-        bool startIfModeDefault, const std::unique_ptr<String16>& featureId,
+        bool startIfModeDefault, const std::unique_ptr<String16>& attributionTag,
         const String16& message) {
     sp<IAppOpsService> service = getService();
     int32_t mode = service != nullptr
             ? service->startOperation(getClientId(), op, uid, callingPackage,
-                    featureId, startIfModeDefault, shouldCollectNotes(op), message)
+                    attributionTag, startIfModeDefault, shouldCollectNotes(op), message)
             : AppOpsManager::MODE_IGNORED;
 
     return mode;
@@ -129,10 +129,10 @@
 }
 
 void AppOpsManager::finishOp(int32_t op, int32_t uid, const String16& callingPackage,
-        const std::unique_ptr<String16>& callingFeatureId) {
+        const std::unique_ptr<String16>& attributionTag) {
     sp<IAppOpsService> service = getService();
     if (service != nullptr) {
-        service->finishOperation(getClientId(), op, uid, callingPackage, callingFeatureId);
+        service->finishOperation(getClientId(), op, uid, callingPackage, attributionTag);
     }
 }
 
diff --git a/libs/binder/IActivityManager.cpp b/libs/binder/IActivityManager.cpp
index 1eb5363..9e1249b 100644
--- a/libs/binder/IActivityManager.cpp
+++ b/libs/binder/IActivityManager.cpp
@@ -104,6 +104,18 @@
         }
         return reply.readInt32();
     }
+
+    virtual bool isUidActiveOrForeground(const uid_t uid, const String16& callingPackage)
+    {
+         Parcel data, reply;
+         data.writeInterfaceToken(IActivityManager::getInterfaceDescriptor());
+         data.writeInt32(uid);
+         data.writeString16(callingPackage);
+         remote()->transact(IS_UID_ACTIVE_OR_FOREGROUND_TRANSACTION, data, &reply);
+         // fail on exception
+         if (reply.readExceptionCode() != 0) return false;
+         return reply.readInt32() == 1;
+    }
 };
 
 // ------------------------------------------------------------------------------------
diff --git a/libs/binder/IAppOpsCallback.cpp b/libs/binder/IAppOpsCallback.cpp
index 0ce1dd5..b9eb281 100644
--- a/libs/binder/IAppOpsCallback.cpp
+++ b/libs/binder/IAppOpsCallback.cpp
@@ -39,7 +39,7 @@
         data.writeInterfaceToken(IAppOpsCallback::getInterfaceDescriptor());
         data.writeInt32(op);
         data.writeString16(packageName);
-        remote()->transact(OP_CHANGED_TRANSACTION, data, &reply);
+        remote()->transact(OP_CHANGED_TRANSACTION, data, &reply, IBinder::FLAG_ONEWAY);
     }
 };
 
@@ -58,7 +58,6 @@
             String16 packageName;
             (void)data.readString16(&packageName);
             opChanged(op, packageName);
-            reply->writeNoException();
             return NO_ERROR;
         } break;
         default:
diff --git a/libs/binder/IAppOpsService.cpp b/libs/binder/IAppOpsService.cpp
index a5555a3..0714723 100644
--- a/libs/binder/IAppOpsService.cpp
+++ b/libs/binder/IAppOpsService.cpp
@@ -47,14 +47,14 @@
     }
 
     virtual int32_t noteOperation(int32_t code, int32_t uid, const String16& packageName,
-                const std::unique_ptr<String16>& featureId, bool shouldCollectAsyncNotedOp,
+                const std::unique_ptr<String16>& attributionTag, bool shouldCollectAsyncNotedOp,
                 const String16& message) {
         Parcel data, reply;
         data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor());
         data.writeInt32(code);
         data.writeInt32(uid);
         data.writeString16(packageName);
-        data.writeString16(featureId);
+        data.writeString16(attributionTag);
         data.writeInt32(shouldCollectAsyncNotedOp ? 1 : 0);
         data.writeString16(message);
         remote()->transact(NOTE_OPERATION_TRANSACTION, data, &reply);
@@ -64,7 +64,7 @@
     }
 
     virtual int32_t startOperation(const sp<IBinder>& token, int32_t code, int32_t uid,
-                const String16& packageName, const std::unique_ptr<String16>& featureId,
+                const String16& packageName, const std::unique_ptr<String16>& attributionTag,
                 bool startIfModeDefault, bool shouldCollectAsyncNotedOp, const String16& message) {
         Parcel data, reply;
         data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor());
@@ -72,7 +72,7 @@
         data.writeInt32(code);
         data.writeInt32(uid);
         data.writeString16(packageName);
-        data.writeString16(featureId);
+        data.writeString16(attributionTag);
         data.writeInt32(startIfModeDefault ? 1 : 0);
         data.writeInt32(shouldCollectAsyncNotedOp ? 1 : 0);
         data.writeString16(message);
@@ -83,14 +83,14 @@
     }
 
     virtual void finishOperation(const sp<IBinder>& token, int32_t code, int32_t uid,
-            const String16& packageName, const std::unique_ptr<String16>& featureId) {
+            const String16& packageName, const std::unique_ptr<String16>& attributionTag) {
         Parcel data, reply;
         data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor());
         data.writeStrongBinder(token);
         data.writeInt32(code);
         data.writeInt32(uid);
         data.writeString16(packageName);
-        data.writeString16(featureId);
+        data.writeString16(attributionTag);
         remote()->transact(FINISH_OPERATION_TRANSACTION, data, &reply);
     }
 
@@ -182,11 +182,11 @@
             int32_t code = data.readInt32();
             int32_t uid = data.readInt32();
             String16 packageName = data.readString16();
-            std::unique_ptr<String16> featureId;
-            data.readString16(&featureId);
+            std::unique_ptr<String16> attributionTag;
+            data.readString16(&attributionTag);
             bool shouldCollectAsyncNotedOp = data.readInt32() == 1;
             String16 message = data.readString16();
-            int32_t res = noteOperation(code, uid, packageName, featureId,
+            int32_t res = noteOperation(code, uid, packageName, attributionTag,
                     shouldCollectAsyncNotedOp, message);
             reply->writeNoException();
             reply->writeInt32(res);
@@ -198,12 +198,12 @@
             int32_t code = data.readInt32();
             int32_t uid = data.readInt32();
             String16 packageName = data.readString16();
-            std::unique_ptr<String16> featureId;
-            data.readString16(&featureId);
+            std::unique_ptr<String16> attributionTag;
+            data.readString16(&attributionTag);
             bool startIfModeDefault = data.readInt32() == 1;
             bool shouldCollectAsyncNotedOp = data.readInt32() == 1;
             String16 message = data.readString16();
-            int32_t res = startOperation(token, code, uid, packageName, featureId,
+            int32_t res = startOperation(token, code, uid, packageName, attributionTag,
                     startIfModeDefault, shouldCollectAsyncNotedOp, message);
             reply->writeNoException();
             reply->writeInt32(res);
@@ -215,9 +215,9 @@
             int32_t code = data.readInt32();
             int32_t uid = data.readInt32();
             String16 packageName = data.readString16();
-            std::unique_ptr<String16> featureId;
-            data.readString16(&featureId);
-            finishOperation(token, code, uid, packageName, featureId);
+            std::unique_ptr<String16> attributionTag;
+            data.readString16(&attributionTag);
+            finishOperation(token, code, uid, packageName, attributionTag);
             reply->writeNoException();
             return NO_ERROR;
         } break;
diff --git a/libs/binder/LazyServiceRegistrar.cpp b/libs/binder/LazyServiceRegistrar.cpp
index 71d8130..74aece8 100644
--- a/libs/binder/LazyServiceRegistrar.cpp
+++ b/libs/binder/LazyServiceRegistrar.cpp
@@ -31,11 +31,16 @@
 
 class ClientCounterCallback : public ::android::os::BnClientCallback {
 public:
-    ClientCounterCallback() : mNumConnectedServices(0) {}
+    ClientCounterCallback() : mNumConnectedServices(0), mForcePersist(false) {}
 
     bool registerService(const sp<IBinder>& service, const std::string& name,
                          bool allowIsolated, int dumpFlags);
 
+    /**
+     * Set a flag to prevent services from automatically shutting down
+     */
+    void forcePersist(bool persist);
+
 protected:
     Status onClients(const sp<IBinder>& service, bool clients) override;
 
@@ -60,6 +65,8 @@
      * Map of registered names and services
      */
     std::map<std::string, Service> mRegisteredServices;
+
+    bool mForcePersist;
 };
 
 bool ClientCounterCallback::registerService(const sp<IBinder>& service, const std::string& name,
@@ -88,6 +95,14 @@
     return true;
 }
 
+void ClientCounterCallback::forcePersist(bool persist) {
+    mForcePersist = persist;
+    if(!mForcePersist) {
+        // Attempt a shutdown in case the number of clients hit 0 while the flag was on
+        tryShutdown();
+    }
+}
+
 /**
  * onClients is oneway, so no need to worry about multi-threading. Note that this means multiple
  * invocations could occur on different threads however.
@@ -103,14 +118,21 @@
           mNumConnectedServices, mRegisteredServices.size(),
           String8(service->getInterfaceDescriptor()).string(), clients);
 
-    if (mNumConnectedServices == 0) {
-        tryShutdown();
-    }
-
+    tryShutdown();
     return Status::ok();
 }
 
 void ClientCounterCallback::tryShutdown() {
+    if(mNumConnectedServices > 0) {
+        // Should only shut down if there are no clients
+        return;
+    }
+
+    if(mForcePersist) {
+        ALOGI("Shutdown prevented by forcePersist override flag.");
+        return;
+    }
+
     ALOGI("Trying to shut down the service. No clients in use for any service in process.");
 
     auto manager = interface_cast<AidlServiceManager>(asBinder(defaultServiceManager()));
@@ -165,5 +187,9 @@
     return OK;
 }
 
+void LazyServiceRegistrar::forcePersist(bool persist) {
+    mClientCC->forcePersist(persist);
+}
+
 }  // namespace hardware
 }  // namespace android
\ No newline at end of file
diff --git a/libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl b/libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl
new file mode 100644
index 0000000..6929a6c
--- /dev/null
+++ b/libs/binder/aidl/android/content/pm/IPackageChangeObserver.aidl
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.content.pm;
+
+import android.content.pm.PackageChangeEvent;
+
+/**
+ * This is a non-blocking notification when a package has changed.
+ *
+ * @hide
+ */
+oneway interface IPackageChangeObserver {
+  void onPackageChanged(in PackageChangeEvent event);
+}
diff --git a/libs/binder/aidl/android/content/pm/IPackageManagerNative.aidl b/libs/binder/aidl/android/content/pm/IPackageManagerNative.aidl
index 618f88c..dc8d74c 100644
--- a/libs/binder/aidl/android/content/pm/IPackageManagerNative.aidl
+++ b/libs/binder/aidl/android/content/pm/IPackageManagerNative.aidl
@@ -17,6 +17,8 @@
 
 package android.content.pm;
 
+import android.content.pm.IPackageChangeObserver;
+
 /**
  * Parallel implementation of certain {@link PackageManager} APIs that need to
  * be exposed to native code.
@@ -90,4 +92,13 @@
 
     /* Returns the names of all packages. */
     @utf8InCpp String[] getAllPackages();
+
+    /** Register an extra package change observer to receive the multi-cast. */
+    void registerPackageChangeObserver(in IPackageChangeObserver observer);
+
+    /**
+     * Unregister an existing package change observer.
+     * This does nothing if this observer was not already registered.
+     */
+    void unregisterPackageChangeObserver(in IPackageChangeObserver observer);
 }
diff --git a/libs/binder/aidl/android/content/pm/PackageChangeEvent.aidl b/libs/binder/aidl/android/content/pm/PackageChangeEvent.aidl
new file mode 100644
index 0000000..e30e907
--- /dev/null
+++ b/libs/binder/aidl/android/content/pm/PackageChangeEvent.aidl
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.content.pm;
+
+/**
+ * This event is designed for notification to native code listener about
+ * any changes on a package including update, deletion and etc.
+ *
+ * @hide
+ */
+parcelable PackageChangeEvent {
+  @utf8InCpp String packageName;
+  long version;
+  long lastUpdateTimeMillis;
+  boolean newInstalled;
+  boolean dataRemoved;
+  boolean isDeleted;
+}
diff --git a/libs/binder/include/binder/ActivityManager.h b/libs/binder/include/binder/ActivityManager.h
index 9108e31..0bb6d28 100644
--- a/libs/binder/include/binder/ActivityManager.h
+++ b/libs/binder/include/binder/ActivityManager.h
@@ -46,25 +46,24 @@
         PROCESS_STATE_PERSISTENT = 0,
         PROCESS_STATE_PERSISTENT_UI = 1,
         PROCESS_STATE_TOP = 2,
-        PROCESS_STATE_FOREGROUND_SERVICE_LOCATION = 3,
-        PROCESS_STATE_BOUND_TOP = 4,
-        PROCESS_STATE_FOREGROUND_SERVICE = 5,
-        PROCESS_STATE_BOUND_FOREGROUND_SERVICE = 6,
-        PROCESS_STATE_IMPORTANT_FOREGROUND = 7,
-        PROCESS_STATE_IMPORTANT_BACKGROUND = 8,
-        PROCESS_STATE_TRANSIENT_BACKGROUND = 9,
-        PROCESS_STATE_BACKUP = 10,
-        PROCESS_STATE_SERVICE = 11,
-        PROCESS_STATE_RECEIVER = 12,
-        PROCESS_STATE_TOP_SLEEPING = 13,
-        PROCESS_STATE_HEAVY_WEIGHT = 14,
-        PROCESS_STATE_HOME = 15,
-        PROCESS_STATE_LAST_ACTIVITY = 16,
-        PROCESS_STATE_CACHED_ACTIVITY = 17,
-        PROCESS_STATE_CACHED_ACTIVITY_CLIENT = 18,
-        PROCESS_STATE_CACHED_RECENT = 19,
-        PROCESS_STATE_CACHED_EMPTY = 20,
-        PROCESS_STATE_NONEXISTENT = 21,
+        PROCESS_STATE_BOUND_TOP = 3,
+        PROCESS_STATE_FOREGROUND_SERVICE = 4,
+        PROCESS_STATE_BOUND_FOREGROUND_SERVICE = 5,
+        PROCESS_STATE_IMPORTANT_FOREGROUND = 6,
+        PROCESS_STATE_IMPORTANT_BACKGROUND = 7,
+        PROCESS_STATE_TRANSIENT_BACKGROUND = 8,
+        PROCESS_STATE_BACKUP = 9,
+        PROCESS_STATE_SERVICE = 10,
+        PROCESS_STATE_RECEIVER = 11,
+        PROCESS_STATE_TOP_SLEEPING = 12,
+        PROCESS_STATE_HEAVY_WEIGHT = 13,
+        PROCESS_STATE_HOME = 14,
+        PROCESS_STATE_LAST_ACTIVITY = 15,
+        PROCESS_STATE_CACHED_ACTIVITY = 16,
+        PROCESS_STATE_CACHED_ACTIVITY_CLIENT = 17,
+        PROCESS_STATE_CACHED_RECENT = 18,
+        PROCESS_STATE_CACHED_EMPTY = 19,
+        PROCESS_STATE_NONEXISTENT = 20,
     };
 
     ActivityManager();
@@ -77,6 +76,7 @@
     void unregisterUidObserver(const sp<IUidObserver>& observer);
     bool isUidActive(const uid_t uid, const String16& callingPackage);
     int getUidProcessState(const uid_t uid, const String16& callingPackage);
+    bool isUidActiveOrForeground(const uid_t uid, const String16& callingPackage);
 
 
   status_t linkToDeath(const sp<IBinder::DeathRecipient>& recipient);
diff --git a/libs/binder/include/binder/AppOpsManager.h b/libs/binder/include/binder/AppOpsManager.h
index 5b6eb68..6afcd77 100644
--- a/libs/binder/include/binder/AppOpsManager.h
+++ b/libs/binder/include/binder/AppOpsManager.h
@@ -122,7 +122,16 @@
         OP_LEGACY_STORAGE = 87,
         OP_ACCESS_ACCESSIBILITY = 88,
         OP_READ_DEVICE_IDENTIFIERS = 89,
-        _NUM_OP = 90
+        OP_ACCESS_MEDIA_LOCATION = 90,
+        OP_QUERY_ALL_PACKAGES = 91,
+        OP_MANAGE_EXTERNAL_STORAGE = 92,
+        OP_INTERACT_ACROSS_PROFILES = 93,
+        OP_ACTIVATE_PLATFORM_VPN = 94,
+        OP_LOADER_USAGE_STATS = 95,
+        OP_DEPRECATED_1 = 96,
+        OP_AUTO_REVOKE_PERMISSIONS_IF_UNUSED = 97,
+        OP_AUTO_REVOKE_MANAGED_BY_INSTALLER = 98,
+        _NUM_OP = 99
     };
 
     AppOpsManager();
@@ -134,18 +143,18 @@
     //              const String16&) instead
     int32_t noteOp(int32_t op, int32_t uid, const String16& callingPackage);
     int32_t noteOp(int32_t op, int32_t uid, const String16& callingPackage,
-            const std::unique_ptr<String16>& featureId, const String16& message);
+            const std::unique_ptr<String16>& attributionTag, const String16& message);
     // @Deprecated, use startOpNoThrow(int32_t, int32_t, const String16&, bool, const String16&,
     //              const String16&) instead
     int32_t startOpNoThrow(int32_t op, int32_t uid, const String16& callingPackage,
             bool startIfModeDefault);
     int32_t startOpNoThrow(int32_t op, int32_t uid, const String16& callingPackage,
-            bool startIfModeDefault, const std::unique_ptr<String16>& featureId,
+            bool startIfModeDefault, const std::unique_ptr<String16>& attributionTag,
             const String16& message);
     // @Deprecated, use finishOp(int32_t, int32_t, const String16&, bool, const String16&) instead
     void finishOp(int32_t op, int32_t uid, const String16& callingPackage);
     void finishOp(int32_t op, int32_t uid, const String16& callingPackage,
-            const std::unique_ptr<String16>& featureId);
+            const std::unique_ptr<String16>& attributionTag);
     void startWatchingMode(int32_t op, const String16& packageName,
             const sp<IAppOpsCallback>& callback);
     void stopWatchingMode(const sp<IAppOpsCallback>& callback);
diff --git a/libs/binder/include/binder/IActivityManager.h b/libs/binder/include/binder/IActivityManager.h
index e0248f6..1815ecc 100644
--- a/libs/binder/include/binder/IActivityManager.h
+++ b/libs/binder/include/binder/IActivityManager.h
@@ -39,13 +39,15 @@
     virtual void unregisterUidObserver(const sp<IUidObserver>& observer) = 0;
     virtual bool isUidActive(const uid_t uid, const String16& callingPackage) = 0;
     virtual int32_t getUidProcessState(const uid_t uid, const String16& callingPackage) = 0;
+    virtual bool isUidActiveOrForeground(const uid_t uid, const String16& callingPackage) = 0;
 
     enum {
         OPEN_CONTENT_URI_TRANSACTION = IBinder::FIRST_CALL_TRANSACTION,
         REGISTER_UID_OBSERVER_TRANSACTION,
         UNREGISTER_UID_OBSERVER_TRANSACTION,
         IS_UID_ACTIVE_TRANSACTION,
-        GET_UID_PROCESS_STATE_TRANSACTION
+        GET_UID_PROCESS_STATE_TRANSACTION,
+        IS_UID_ACTIVE_OR_FOREGROUND_TRANSACTION,
     };
 };
 
diff --git a/libs/binder/include/binder/IAppOpsService.h b/libs/binder/include/binder/IAppOpsService.h
index 1b4bcce..1ffb8de 100644
--- a/libs/binder/include/binder/IAppOpsService.h
+++ b/libs/binder/include/binder/IAppOpsService.h
@@ -36,13 +36,13 @@
 
     virtual int32_t checkOperation(int32_t code, int32_t uid, const String16& packageName) = 0;
     virtual int32_t noteOperation(int32_t code, int32_t uid, const String16& packageName,
-            const std::unique_ptr<String16>& featureId, bool shouldCollectAsyncNotedOp,
+            const std::unique_ptr<String16>& attributionTag, bool shouldCollectAsyncNotedOp,
             const String16& message) = 0;
     virtual int32_t startOperation(const sp<IBinder>& token, int32_t code, int32_t uid,
-            const String16& packageName, const std::unique_ptr<String16>& featureId,
+            const String16& packageName, const std::unique_ptr<String16>& attributionTag,
             bool startIfModeDefault, bool shouldCollectAsyncNotedOp, const String16& message) = 0;
     virtual void finishOperation(const sp<IBinder>& token, int32_t code, int32_t uid,
-            const String16& packageName, const std::unique_ptr<String16>& featureId) = 0;
+            const String16& packageName, const std::unique_ptr<String16>& attributionTag) = 0;
     virtual void startWatchingMode(int32_t op, const String16& packageName,
             const sp<IAppOpsCallback>& callback) = 0;
     virtual void stopWatchingMode(const sp<IAppOpsCallback>& callback) = 0;
diff --git a/libs/binder/include/binder/LazyServiceRegistrar.h b/libs/binder/include/binder/LazyServiceRegistrar.h
index efdecc4..6d711bc 100644
--- a/libs/binder/include/binder/LazyServiceRegistrar.h
+++ b/libs/binder/include/binder/LazyServiceRegistrar.h
@@ -34,6 +34,12 @@
                               const std::string& name = "default",
                               bool allowIsolated = false,
                               int dumpFlags = IServiceManager::DUMP_FLAG_PRIORITY_DEFAULT);
+     /**
+      * Force the service to persist, even when it has 0 clients.
+      * If setting this flag from the server side, make sure to do so before calling registerService,
+      * or there may be a race with the default dynamic shutdown.
+      */
+     void forcePersist(bool persist);
 
    private:
      std::shared_ptr<internal::ClientCounterCallback> mClientCC;
diff --git a/libs/binder/include/binder/Nullable.h b/libs/binder/include/binder/Nullable.h
new file mode 100644
index 0000000..b605bd3
--- /dev/null
+++ b/libs/binder/include/binder/Nullable.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#pragma once
+
+#include <memory>
+#include <utility>
+
+namespace android {
+
+namespace aidl {
+
+// nullable/make_nullable provide source-level compatibility between std::opional and std::unique_ptr
+// usage:
+//     nullable<Foo> a;
+//     nullable<Foo> b = make_nullable<Foo>(...);
+//     auto c = make_nullable<Foo>(...);
+//     c.reset();
+//     c = make_nullable<Foo>(...);
+//     c = std::move(a);
+
+template <typename T>
+using nullable = std::unique_ptr<T>;
+
+template <typename T, typename... Args>
+inline nullable<T> make_nullable(Args&&... args) {
+    return std::make_unique<T>(std::forward<Args>(args)...);
+}
+
+} // namespace aidl
+
+} // namespace android
\ No newline at end of file
diff --git a/libs/binder/ndk/ibinder.cpp b/libs/binder/ndk/ibinder.cpp
index 75dcdc8..649faa1 100644
--- a/libs/binder/ndk/ibinder.cpp
+++ b/libs/binder/ndk/ibinder.cpp
@@ -486,7 +486,6 @@
 
 void AIBinder_incStrong(AIBinder* binder) {
     if (binder == nullptr) {
-        LOG(ERROR) << __func__ << ": on null binder";
         return;
     }
 
diff --git a/libs/dumputils/dump_utils.cpp b/libs/dumputils/dump_utils.cpp
index 5b65c95..fd557b7 100644
--- a/libs/dumputils/dump_utils.cpp
+++ b/libs/dumputils/dump_utils.cpp
@@ -73,8 +73,10 @@
         "android.hardware.thermal@2.0::IThermal",
         "android.hardware.vr@1.0::IVr",
         "android.hardware.automotive.audiocontrol@1.0::IAudioControl",
+        "android.hardware.automotive.audiocontrol@2.0::IAudioControl",
         "android.hardware.automotive.vehicle@2.0::IVehicle",
         "android.hardware.automotive.evs@1.0::IEvsCamera",
+        "android.hardware.neuralnetworks@1.0::IDevice",
         NULL,
 };
 
diff --git a/libs/graphicsenv/GraphicsEnv.cpp b/libs/graphicsenv/GraphicsEnv.cpp
index befabee..4809c1f 100644
--- a/libs/graphicsenv/GraphicsEnv.cpp
+++ b/libs/graphicsenv/GraphicsEnv.cpp
@@ -61,26 +61,25 @@
     VNDKSP = 1,
 };
 
-static constexpr const char* kNativeLibrariesSystemConfigPath[] = {"/etc/llndk.libraries.txt",
-                                                                   "/etc/vndksp.libraries.txt"};
+static constexpr const char* kNativeLibrariesSystemConfigPath[] =
+        {"/apex/com.android.vndk.v{}/etc/llndk.libraries.{}.txt",
+         "/apex/com.android.vndk.v{}/etc/vndksp.libraries.{}.txt"};
 
 static std::string vndkVersionStr() {
 #ifdef __BIONIC__
-    std::string version = android::base::GetProperty("ro.vndk.version", "");
-    if (version != "" && version != "current") {
-        return "." + version;
-    }
+    return android::base::GetProperty("ro.vndk.version", "");
 #endif
     return "";
 }
 
 static void insertVndkVersionStr(std::string* fileName) {
     LOG_ALWAYS_FATAL_IF(!fileName, "fileName should never be nullptr");
-    size_t insertPos = fileName->find_last_of(".");
-    if (insertPos == std::string::npos) {
-        insertPos = fileName->length();
+    std::string version = vndkVersionStr();
+    size_t pos = fileName->find("{}");
+    while (pos != std::string::npos) {
+        fileName->replace(pos, 2, version);
+        pos = fileName->find("{}", pos + version.size());
     }
-    fileName->insert(insertPos, vndkVersionStr());
 }
 
 static bool readConfig(const std::string& configFile, std::vector<std::string>* soNames) {
@@ -103,11 +102,7 @@
 }
 
 static const std::string getSystemNativeLibraries(NativeLibrary type) {
-    static const char* androidRootEnv = getenv("ANDROID_ROOT");
-    static const std::string rootDir = androidRootEnv != nullptr ? androidRootEnv : "/system";
-
-    std::string nativeLibrariesSystemConfig = rootDir + kNativeLibrariesSystemConfigPath[type];
-
+    std::string nativeLibrariesSystemConfig = kNativeLibrariesSystemConfigPath[type];
     insertVndkVersionStr(&nativeLibrariesSystemConfig);
 
     std::vector<std::string> soNames;
diff --git a/libs/gui/BLASTBufferQueue.cpp b/libs/gui/BLASTBufferQueue.cpp
index 30e1351..a8384ac 100644
--- a/libs/gui/BLASTBufferQueue.cpp
+++ b/libs/gui/BLASTBufferQueue.cpp
@@ -110,7 +110,7 @@
         mProducer->setMaxDequeuedBufferCount(2);
     }
     mBufferItemConsumer =
-            new BLASTBufferItemConsumer(mConsumer, AHARDWAREBUFFER_USAGE_GPU_FRAMEBUFFER, 1, true);
+        new BLASTBufferItemConsumer(mConsumer, GraphicBuffer::USAGE_HW_COMPOSER, 1, true);
     static int32_t id = 0;
     auto name = std::string("BLAST Consumer") + std::to_string(id);
     id++;
@@ -119,7 +119,9 @@
     mBufferItemConsumer->setBufferFreedListener(this);
     mBufferItemConsumer->setDefaultBufferSize(mWidth, mHeight);
     mBufferItemConsumer->setDefaultBufferFormat(PIXEL_FORMAT_RGBA_8888);
+
     mTransformHint = mSurfaceControl->getTransformHint();
+    mBufferItemConsumer->setTransformHint(mTransformHint);
 
     mNumAcquired = 0;
     mNumFrameAvailable = 0;
@@ -130,9 +132,12 @@
 void BLASTBufferQueue::update(const sp<SurfaceControl>& surface, int width, int height) {
     std::unique_lock _lock{mMutex};
     mSurfaceControl = surface;
-    mWidth = width;
-    mHeight = height;
-    mBufferItemConsumer->setDefaultBufferSize(mWidth, mHeight);
+
+    if (mWidth != width || mHeight != height) {
+        mWidth = width;
+        mHeight = height;
+        mBufferItemConsumer->setDefaultBufferSize(mWidth, mHeight);
+    }
 }
 
 static void transactionCallbackThunk(void* context, nsecs_t latchTime,
diff --git a/libs/gui/ISurfaceComposer.cpp b/libs/gui/ISurfaceComposer.cpp
index 04c21a9..8d79cf8 100644
--- a/libs/gui/ISurfaceComposer.cpp
+++ b/libs/gui/ISurfaceComposer.cpp
@@ -1140,8 +1140,7 @@
             return err;
         }
 
-        err = remote()->transact(BnSurfaceComposer::SET_FRAME_RATE, data, &reply,
-                                 IBinder::FLAG_ONEWAY);
+        err = remote()->transact(BnSurfaceComposer::SET_FRAME_RATE, data, &reply);
         if (err != NO_ERROR) {
             ALOGE("setFrameRate: failed to transact: %s (%d)", strerror(-err), err);
             return err;
diff --git a/libs/gui/LayerState.cpp b/libs/gui/LayerState.cpp
index a9c9b74..f7158d0 100644
--- a/libs/gui/LayerState.cpp
+++ b/libs/gui/LayerState.cpp
@@ -443,39 +443,18 @@
 // ------------------------------- InputWindowCommands ----------------------------------------
 
 void InputWindowCommands::merge(const InputWindowCommands& other) {
-    transferTouchFocusCommands
-            .insert(transferTouchFocusCommands.end(),
-                    std::make_move_iterator(other.transferTouchFocusCommands.begin()),
-                    std::make_move_iterator(other.transferTouchFocusCommands.end()));
-
     syncInputWindows |= other.syncInputWindows;
 }
 
 void InputWindowCommands::clear() {
-    transferTouchFocusCommands.clear();
     syncInputWindows = false;
 }
 
 void InputWindowCommands::write(Parcel& output) const {
-    output.writeUint32(static_cast<uint32_t>(transferTouchFocusCommands.size()));
-    for (const auto& transferTouchFocusCommand : transferTouchFocusCommands) {
-        output.writeStrongBinder(transferTouchFocusCommand.fromToken);
-        output.writeStrongBinder(transferTouchFocusCommand.toToken);
-    }
-
     output.writeBool(syncInputWindows);
 }
 
 void InputWindowCommands::read(const Parcel& input) {
-    size_t count = input.readUint32();
-    transferTouchFocusCommands.clear();
-    for (size_t i = 0; i < count; i++) {
-        TransferTouchFocusCommand transferTouchFocusCommand;
-        transferTouchFocusCommand.fromToken = input.readStrongBinder();
-        transferTouchFocusCommand.toToken = input.readStrongBinder();
-        transferTouchFocusCommands.emplace_back(transferTouchFocusCommand);
-    }
-
     syncInputWindows = input.readBool();
 }
 
diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index dc4860a..2307fbf 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -1290,15 +1290,6 @@
     return *this;
 }
 
-SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::transferTouchFocus(
-        const sp<IBinder>& fromToken, const sp<IBinder>& toToken) {
-    InputWindowCommands::TransferTouchFocusCommand transferTouchFocusCommand;
-    transferTouchFocusCommand.fromToken = fromToken;
-    transferTouchFocusCommand.toToken = toToken;
-    mInputWindowCommands.transferTouchFocusCommands.emplace_back(transferTouchFocusCommand);
-    return *this;
-}
-
 SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::syncInputWindows() {
     mInputWindowCommands.syncInputWindows = true;
     return *this;
diff --git a/libs/gui/include/gui/LayerState.h b/libs/gui/include/gui/LayerState.h
index 7e3d5d5..2b2f773 100644
--- a/libs/gui/include/gui/LayerState.h
+++ b/libs/gui/include/gui/LayerState.h
@@ -271,12 +271,6 @@
 };
 
 struct InputWindowCommands {
-    struct TransferTouchFocusCommand {
-        sp<IBinder> fromToken;
-        sp<IBinder> toToken;
-    };
-
-    std::vector<TransferTouchFocusCommand> transferTouchFocusCommands;
     bool syncInputWindows{false};
 
     void merge(const InputWindowCommands& other);
diff --git a/libs/gui/include/gui/SurfaceComposerClient.h b/libs/gui/include/gui/SurfaceComposerClient.h
index 0cf141d..2fb9538 100644
--- a/libs/gui/include/gui/SurfaceComposerClient.h
+++ b/libs/gui/include/gui/SurfaceComposerClient.h
@@ -507,7 +507,6 @@
 
 #ifndef NO_INPUT
         Transaction& setInputWindowInfo(const sp<SurfaceControl>& sc, const InputWindowInfo& info);
-        Transaction& transferTouchFocus(const sp<IBinder>& fromToken, const sp<IBinder>& toToken);
         Transaction& syncInputWindows();
 #endif
 
diff --git a/libs/gui/tests/AndroidTest.xml b/libs/gui/tests/AndroidTest.xml
index c02e020..5e09fff 100644
--- a/libs/gui/tests/AndroidTest.xml
+++ b/libs/gui/tests/AndroidTest.xml
@@ -18,6 +18,10 @@
         <option name="cleanup" value="true" />
         <option name="push" value="libgui_test->/data/local/tmp/libgui_test" />
     </target_preparer>
+    <target_preparer class="com.android.tradefed.targetprep.DeviceSetup">
+      <option name="force-skip-system-props" value="true" /> <!-- avoid restarting device -->
+      <option name="screen-always-on" value="on" />
+    </target_preparer>
     <option name="test-suite-tag" value="apct" />
     <test class="com.android.tradefed.testtype.GTest" >
         <option name="native-test-device-path" value="/data/local/tmp" />
diff --git a/libs/input/InputTransport.cpp b/libs/input/InputTransport.cpp
index 7335b30..ef7cc7d 100644
--- a/libs/input/InputTransport.cpp
+++ b/libs/input/InputTransport.cpp
@@ -1130,6 +1130,16 @@
     return !mBatches.isEmpty();
 }
 
+int32_t InputConsumer::getPendingBatchSource() const {
+    if (mBatches.isEmpty()) {
+        return AINPUT_SOURCE_CLASS_NONE;
+    }
+
+    const Batch& batch = mBatches.itemAt(0);
+    const InputMessage& head = batch.samples.itemAt(0);
+    return head.body.motion.source;
+}
+
 ssize_t InputConsumer::findBatch(int32_t deviceId, int32_t source) const {
     for (size_t i = 0; i < mBatches.size(); i++) {
         const Batch& batch = mBatches.itemAt(i);
diff --git a/libs/nativewindow/include/android/native_window.h b/libs/nativewindow/include/android/native_window.h
index 59aa665..25130e2 100644
--- a/libs/nativewindow/include/android/native_window.h
+++ b/libs/nativewindow/include/android/native_window.h
@@ -233,15 +233,15 @@
 
 #if __ANDROID_API__ >= 30
 
-/* Parameter for ANativeWindow_setFrameRate */
-enum {
+/** Compatibility value for ANativeWindow_setFrameRate. */
+enum ANativeWindow_FrameRateCompatibility {
     /**
      * There are no inherent restrictions on the frame rate of this window.
      */
     ANATIVEWINDOW_FRAME_RATE_COMPATIBILITY_DEFAULT = 0,
     /**
      * This window is being used to display content with an inherently fixed
-     * frame rate, e.g. a video that has a specific frame rate. When the system
+     * frame rate, e.g.\ a video that has a specific frame rate. When the system
      * selects a frame rate other than what the app requested, the app will need
      * to do pull down or use some other technique to adapt to the system's
      * frame rate. The user experience is likely to be worse (e.g. more frame
@@ -272,9 +272,9 @@
  * \param frameRate The intended frame rate of this window, in frames per
  * second. 0 is a special value that indicates the app will accept the system's
  * choice for the display frame rate, which is the default behavior if this
- * function isn't called. The frameRate param does *not* need to be a valid
- * refresh rate for this device's display - e.g., it's fine to pass 30fps to a
- * device that can only run the display at 60fps.
+ * function isn't called. The frameRate param does <em>not</em> need to be a
+ * valid refresh rate for this device's display - e.g., it's fine to pass 30fps
+ * to a device that can only run the display at 60fps.
  *
  * \param compatibility The frame rate compatibility of this window. The
  * compatibility value may influence the system's choice of display refresh
diff --git a/libs/renderengine/Android.bp b/libs/renderengine/Android.bp
index 1075f16..eb6080f 100644
--- a/libs/renderengine/Android.bp
+++ b/libs/renderengine/Android.bp
@@ -55,6 +55,7 @@
         "gl/GLShadowTexture.cpp",
         "gl/GLShadowVertexGenerator.cpp",
         "gl/GLSkiaShadowPort.cpp",
+        "gl/GLVertexBuffer.cpp",
         "gl/ImageManager.cpp",
         "gl/Program.cpp",
         "gl/ProgramCache.cpp",
diff --git a/libs/renderengine/gl/GLESRenderEngine.cpp b/libs/renderengine/gl/GLESRenderEngine.cpp
index 0d4305b..e73f245 100644
--- a/libs/renderengine/gl/GLESRenderEngine.cpp
+++ b/libs/renderengine/gl/GLESRenderEngine.cpp
@@ -957,9 +957,13 @@
         return NO_ERROR;
     }
 
-    if (bufferFence.get() >= 0 && !waitFence(std::move(bufferFence))) {
-        ATRACE_NAME("Waiting before draw");
-        sync_wait(bufferFence.get(), -1);
+    if (bufferFence.get() >= 0) {
+        // Duplicate the fence for passing to waitFence.
+        base::unique_fd bufferFenceDup(dup(bufferFence.get()));
+        if (bufferFenceDup < 0 || !waitFence(std::move(bufferFenceDup))) {
+            ATRACE_NAME("Waiting before draw");
+            sync_wait(bufferFence.get(), -1);
+        }
     }
 
     if (buffer == nullptr) {
diff --git a/libs/renderengine/gl/GLFramebuffer.cpp b/libs/renderengine/gl/GLFramebuffer.cpp
index 153935b..cb0d5cf 100644
--- a/libs/renderengine/gl/GLFramebuffer.cpp
+++ b/libs/renderengine/gl/GLFramebuffer.cpp
@@ -32,23 +32,14 @@
 namespace gl {
 
 GLFramebuffer::GLFramebuffer(GLESRenderEngine& engine)
-      : GLFramebuffer(engine, false /* multiTarget */) {}
-
-GLFramebuffer::GLFramebuffer(GLESRenderEngine& engine, bool multiTarget)
       : mEngine(engine), mEGLDisplay(engine.getEGLDisplay()), mEGLImage(EGL_NO_IMAGE_KHR) {
     glGenTextures(1, &mTextureName);
-    if (multiTarget) {
-        glGenTextures(1, &mSecondaryTextureName);
-    }
     glGenFramebuffers(1, &mFramebufferName);
 }
 
 GLFramebuffer::~GLFramebuffer() {
     glDeleteFramebuffers(1, &mFramebufferName);
     glDeleteTextures(1, &mTextureName);
-    if (mSecondaryTextureName != -1) {
-        glDeleteTextures(1, &mSecondaryTextureName);
-    }
 }
 
 bool GLFramebuffer::setNativeWindowBuffer(ANativeWindowBuffer* nativeBuffer, bool isProtected,
@@ -87,28 +78,12 @@
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_MIRRORED_REPEAT);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_MIRRORED_REPEAT);
 
-    const bool multiTarget = mSecondaryTextureName != -1;
-    if (multiTarget) {
-        glBindTexture(GL_TEXTURE_2D, mSecondaryTextureName);
-        glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, width, height, 0, GL_RGB, GL_UNSIGNED_BYTE, nullptr);
-        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_MIRRORED_REPEAT);
-        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_MIRRORED_REPEAT);
-    }
-
     mBufferHeight = height;
     mBufferWidth = width;
     mEngine.checkErrors("Allocating Fbo texture");
 
     bind();
     glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mTextureName, 0);
-    if (multiTarget) {
-        glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT1_EXT, GL_TEXTURE_2D,
-                               mSecondaryTextureName, 0);
-        GLenum buffers[] = {GL_COLOR_ATTACHMENT0_EXT, GL_COLOR_ATTACHMENT1_EXT};
-        glDrawBuffers(2, buffers);
-    }
     mStatus = glCheckFramebufferStatus(GL_FRAMEBUFFER);
     unbind();
     glBindTexture(GL_TEXTURE_2D, 0);
diff --git a/libs/renderengine/gl/GLFramebuffer.h b/libs/renderengine/gl/GLFramebuffer.h
index 69102d6..b88da3b 100644
--- a/libs/renderengine/gl/GLFramebuffer.h
+++ b/libs/renderengine/gl/GLFramebuffer.h
@@ -42,7 +42,6 @@
     void allocateBuffers(uint32_t width, uint32_t height);
     EGLImageKHR getEGLImage() const { return mEGLImage; }
     uint32_t getTextureName() const { return mTextureName; }
-    uint32_t getSecondaryTextureName() const { return mSecondaryTextureName; }
     uint32_t getFramebufferName() const { return mFramebufferName; }
     int32_t getBufferHeight() const { return mBufferHeight; }
     int32_t getBufferWidth() const { return mBufferWidth; }
@@ -59,7 +58,6 @@
     bool usingFramebufferCache = false;
     GLenum mStatus = GL_FRAMEBUFFER_UNSUPPORTED;
     uint32_t mTextureName, mFramebufferName;
-    uint32_t mSecondaryTextureName = -1;
 
     int32_t mBufferHeight = 0;
     int32_t mBufferWidth = 0;
diff --git a/libs/renderengine/gl/GLVertexBuffer.cpp b/libs/renderengine/gl/GLVertexBuffer.cpp
new file mode 100644
index 0000000..e50c471
--- /dev/null
+++ b/libs/renderengine/gl/GLVertexBuffer.cpp
@@ -0,0 +1,55 @@
+/*
+ * Copyright 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define ATRACE_TAG ATRACE_TAG_GRAPHICS
+
+#include "GLVertexBuffer.h"
+
+#include <GLES/gl.h>
+#include <GLES2/gl2.h>
+#include <nativebase/nativebase.h>
+#include <utils/Trace.h>
+
+namespace android {
+namespace renderengine {
+namespace gl {
+
+GLVertexBuffer::GLVertexBuffer() {
+    glGenBuffers(1, &mBufferName);
+}
+
+GLVertexBuffer::~GLVertexBuffer() {
+    glDeleteBuffers(1, &mBufferName);
+}
+
+void GLVertexBuffer::allocateBuffers(const GLfloat data[], const GLuint size) {
+    ATRACE_CALL();
+    bind();
+    glBufferData(GL_ARRAY_BUFFER, size * sizeof(GLfloat), data, GL_STATIC_DRAW);
+    unbind();
+}
+
+void GLVertexBuffer::bind() const {
+    glBindBuffer(GL_ARRAY_BUFFER, mBufferName);
+}
+
+void GLVertexBuffer::unbind() const {
+    glBindBuffer(GL_ARRAY_BUFFER, 0);
+}
+
+} // namespace gl
+} // namespace renderengine
+} // namespace android
diff --git a/libs/renderengine/gl/GLVertexBuffer.h b/libs/renderengine/gl/GLVertexBuffer.h
new file mode 100644
index 0000000..c0fd0c1
--- /dev/null
+++ b/libs/renderengine/gl/GLVertexBuffer.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <cstdint>
+
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+#include <GLES2/gl2.h>
+
+struct ANativeWindowBuffer;
+
+namespace android {
+namespace renderengine {
+namespace gl {
+
+class GLESRenderEngine;
+
+class GLVertexBuffer {
+public:
+    explicit GLVertexBuffer();
+    ~GLVertexBuffer();
+
+    void allocateBuffers(const GLfloat data[], const GLuint size);
+    uint32_t getBufferName() const { return mBufferName; }
+    void bind() const;
+    void unbind() const;
+
+private:
+    uint32_t mBufferName;
+};
+
+} // namespace gl
+} // namespace renderengine
+} // namespace android
diff --git a/libs/renderengine/gl/filters/BlurFilter.cpp b/libs/renderengine/gl/filters/BlurFilter.cpp
index e704907..724877b 100644
--- a/libs/renderengine/gl/filters/BlurFilter.cpp
+++ b/libs/renderengine/gl/filters/BlurFilter.cpp
@@ -49,13 +49,30 @@
     mBUvLoc = mBlurProgram.getAttributeLocation("aUV");
     mBTextureLoc = mBlurProgram.getUniformLocation("uTexture");
     mBOffsetLoc = mBlurProgram.getUniformLocation("uOffset");
+
+    static constexpr auto size = 2.0f;
+    static constexpr auto translation = 1.0f;
+    const GLfloat vboData[] = {
+        // Vertex data
+        translation - size, -translation - size,
+        translation - size, -translation + size,
+        translation + size, -translation + size,
+        // UV data
+        0.0f, 0.0f - translation,
+        0.0f, size - translation,
+        size, size - translation
+    };
+    mMeshBuffer.allocateBuffers(vboData, 12 /* size */);
 }
 
 status_t BlurFilter::setAsDrawTarget(const DisplaySettings& display, uint32_t radius) {
     ATRACE_NAME("BlurFilter::setAsDrawTarget");
     mRadius = radius;
 
-    if (!mTexturesAllocated) {
+    if (mDisplayWidth < display.physicalDisplay.width() ||
+        mDisplayHeight < display.physicalDisplay.height()) {
+        ATRACE_NAME("BlurFilter::allocatingTextures");
+
         mDisplayWidth = display.physicalDisplay.width();
         mDisplayHeight = display.physicalDisplay.height();
         mCompositionFbo.allocateBuffers(mDisplayWidth, mDisplayHeight);
@@ -64,16 +81,23 @@
         const uint32_t fboHeight = floorf(mDisplayHeight * kFboScale);
         mPingFbo.allocateBuffers(fboWidth, fboHeight);
         mPongFbo.allocateBuffers(fboWidth, fboHeight);
-        mTexturesAllocated = true;
-    }
 
-    if (mPingFbo.getStatus() != GL_FRAMEBUFFER_COMPLETE) {
-        ALOGE("Invalid blur buffer");
-        return mPingFbo.getStatus();
-    }
-    if (mCompositionFbo.getStatus() != GL_FRAMEBUFFER_COMPLETE) {
-        ALOGE("Invalid composition buffer");
-        return mCompositionFbo.getStatus();
+        if (mPingFbo.getStatus() != GL_FRAMEBUFFER_COMPLETE) {
+            ALOGE("Invalid ping buffer");
+            return mPingFbo.getStatus();
+        }
+        if (mPongFbo.getStatus() != GL_FRAMEBUFFER_COMPLETE) {
+            ALOGE("Invalid pong buffer");
+            return mPongFbo.getStatus();
+        }
+        if (mCompositionFbo.getStatus() != GL_FRAMEBUFFER_COMPLETE) {
+            ALOGE("Invalid composition buffer");
+            return mCompositionFbo.getStatus();
+        }
+        if (!mBlurProgram.isValid()) {
+            ALOGE("Invalid shader");
+            return GL_INVALID_OPERATION;
+        }
     }
 
     mCompositionFbo.bind();
@@ -82,70 +106,56 @@
 }
 
 void BlurFilter::drawMesh(GLuint uv, GLuint position) {
-    static constexpr auto size = 2.0f;
-    static constexpr auto translation = 1.0f;
-    GLfloat positions[] = {
-        translation-size, -translation-size,
-        translation-size, -translation+size,
-        translation+size, -translation+size
-    };
-    GLfloat texCoords[] = {
-        0.0f, 0.0f-translation,
-        0.0f, size-translation,
-        size, size-translation
-    };
 
-    // set attributes
     glEnableVertexAttribArray(uv);
-    glVertexAttribPointer(uv, 2 /* size */, GL_FLOAT, GL_FALSE, 0, texCoords);
     glEnableVertexAttribArray(position);
-    glVertexAttribPointer(position, 2 /* size */, GL_FLOAT, GL_FALSE, 2 * sizeof(GLfloat),
-                          positions);
+    mMeshBuffer.bind();
+    glVertexAttribPointer(position, 2 /* size */, GL_FLOAT, GL_FALSE,
+                          2 * sizeof(GLfloat) /* stride */, 0 /* offset */);
+    glVertexAttribPointer(uv, 2 /* size */, GL_FLOAT, GL_FALSE, 0 /* stride */,
+                          (GLvoid*)(6 * sizeof(GLfloat)) /* offset */);
+    mMeshBuffer.unbind();
 
     // draw mesh
     glDrawArrays(GL_TRIANGLES, 0 /* first */, 3 /* count */);
-    mEngine.checkErrors("Drawing blur mesh");
 }
 
 status_t BlurFilter::prepare() {
     ATRACE_NAME("BlurFilter::prepare");
 
-    if (mPongFbo.getStatus() != GL_FRAMEBUFFER_COMPLETE) {
-        ALOGE("Invalid FBO");
-        return mPongFbo.getStatus();
-    }
-    if (!mBlurProgram.isValid()) {
-        ALOGE("Invalid shader");
-        return GL_INVALID_OPERATION;
-    }
-
-    blit(mCompositionFbo, mPingFbo);
-
     // Kawase is an approximation of Gaussian, but it behaves differently from it.
     // A radius transformation is required for approximating them, and also to introduce
     // non-integer steps, necessary to smoothly interpolate large radii.
-    auto radius = mRadius / 6.0f;
+    const auto radius = mRadius / 6.0f;
 
     // Calculate how many passes we'll do, based on the radius.
     // Too many passes will make the operation expensive.
-    auto passes = min(kMaxPasses, (uint32_t)ceil(radius));
+    const auto passes = min(kMaxPasses, (uint32_t)ceil(radius));
 
-    // We'll ping pong between our textures, to accumulate the result of various offsets.
+    const float radiusByPasses = radius / (float)passes;
+    const float stepX = radiusByPasses / (float)mCompositionFbo.getBufferWidth();
+    const float stepY = radiusByPasses / (float)mCompositionFbo.getBufferHeight();
+
+    // Let's start by downsampling and blurring the composited frame simultaneously.
     mBlurProgram.useProgram();
-    GLFramebuffer* read = &mPingFbo;
-    GLFramebuffer* draw = &mPongFbo;
-    float stepX = radius / (float)mCompositionFbo.getBufferWidth() / (float)passes;
-    float stepY = radius / (float)mCompositionFbo.getBufferHeight() / (float)passes;
     glActiveTexture(GL_TEXTURE0);
     glUniform1i(mBTextureLoc, 0);
-    for (auto i = 0; i < passes; i++) {
+    glBindTexture(GL_TEXTURE_2D, mCompositionFbo.getTextureName());
+    glUniform2f(mBOffsetLoc, stepX, stepY);
+    glViewport(0, 0, mPingFbo.getBufferWidth(), mPingFbo.getBufferHeight());
+    mPingFbo.bind();
+    drawMesh(mBUvLoc, mBPosLoc);
+
+    // And now we'll ping pong between our textures, to accumulate the result of various offsets.
+    GLFramebuffer* read = &mPingFbo;
+    GLFramebuffer* draw = &mPongFbo;
+    glViewport(0, 0, draw->getBufferWidth(), draw->getBufferHeight());
+    for (auto i = 1; i < passes; i++) {
         ATRACE_NAME("BlurFilter::renderPass");
         draw->bind();
 
-        glViewport(0, 0, draw->getBufferWidth(), draw->getBufferHeight());
         glBindTexture(GL_TEXTURE_2D, read->getTextureName());
         glUniform2f(mBOffsetLoc, stepX * i, stepY * i);
-        mEngine.checkErrors("Setting uniforms");
 
         drawMesh(mBUvLoc, mBPosLoc);
 
@@ -156,9 +166,6 @@
     }
     mLastDrawTarget = read;
 
-    // Cleanup
-    glBindFramebuffer(GL_FRAMEBUFFER, 0);
-
     return NO_ERROR;
 }
 
@@ -177,7 +184,6 @@
         glBlitFramebuffer(0, 0, mLastDrawTarget->getBufferWidth(),
                           mLastDrawTarget->getBufferHeight(), 0, 0, mDisplayWidth, mDisplayHeight,
                           GL_COLOR_BUFFER_BIT, GL_LINEAR);
-        glBindFramebuffer(GL_READ_FRAMEBUFFER, 0);
         return NO_ERROR;
     }
 
@@ -189,17 +195,18 @@
     glActiveTexture(GL_TEXTURE1);
     glBindTexture(GL_TEXTURE_2D, mCompositionFbo.getTextureName());
     glUniform1i(mMCompositionTextureLoc, 1);
-    mEngine.checkErrors("Setting final pass uniforms");
 
     drawMesh(mMUvLoc, mMPosLoc);
 
     glUseProgram(0);
     glActiveTexture(GL_TEXTURE0);
+    mEngine.checkErrors("Drawing blur mesh");
     return NO_ERROR;
 }
 
 string BlurFilter::getVertexShader() const {
     return R"SHADER(#version 310 es
+        precision mediump float;
 
         in vec2 aPosition;
         in highp vec2 aUV;
@@ -219,7 +226,7 @@
         uniform sampler2D uTexture;
         uniform vec2 uOffset;
 
-        highp in vec2 vUV;
+        in highp vec2 vUV;
         out vec4 fragColor;
 
         void main() {
@@ -255,12 +262,12 @@
 }
 
 void BlurFilter::blit(GLFramebuffer& read, GLFramebuffer& draw) const {
+    ATRACE_NAME("BlurFilter::blit");
     read.bindAsReadBuffer();
     draw.bindAsDrawBuffer();
     glBlitFramebuffer(0, 0, read.getBufferWidth(), read.getBufferHeight(), 0, 0,
                       draw.getBufferWidth(), draw.getBufferHeight(), GL_COLOR_BUFFER_BIT,
                       GL_LINEAR);
-    glBindFramebuffer(GL_FRAMEBUFFER, 0);
 }
 
 } // namespace gl
diff --git a/libs/renderengine/gl/filters/BlurFilter.h b/libs/renderengine/gl/filters/BlurFilter.h
index eb6120b..36e5a77 100644
--- a/libs/renderengine/gl/filters/BlurFilter.h
+++ b/libs/renderengine/gl/filters/BlurFilter.h
@@ -19,6 +19,7 @@
 #include <ui/GraphicTypes.h>
 #include "../GLESRenderEngine.h"
 #include "../GLFramebuffer.h"
+#include "../GLVertexBuffer.h"
 #include "GenericProgram.h"
 
 using namespace std;
@@ -66,11 +67,13 @@
     // Frame buffers holding the blur passes.
     GLFramebuffer mPingFbo;
     GLFramebuffer mPongFbo;
-    uint32_t mDisplayWidth;
-    uint32_t mDisplayHeight;
+    uint32_t mDisplayWidth = 0;
+    uint32_t mDisplayHeight = 0;
     // Buffer holding the final blur pass.
     GLFramebuffer* mLastDrawTarget;
-    bool mTexturesAllocated = false;
+
+    // VBO containing vertex and uv data of a fullscreen triangle.
+    GLVertexBuffer mMeshBuffer;
 
     GenericProgram mMixProgram;
     GLuint mMPosLoc;
diff --git a/libs/ui/Gralloc4.cpp b/libs/ui/Gralloc4.cpp
index 6fd4b80..d8e4059 100644
--- a/libs/ui/Gralloc4.cpp
+++ b/libs/ui/Gralloc4.cpp
@@ -77,6 +77,7 @@
     outDescriptorInfo->layerCount = layerCount;
     outDescriptorInfo->format = static_cast<hardware::graphics::common::V1_2::PixelFormat>(format);
     outDescriptorInfo->usage = usage;
+    outDescriptorInfo->reservedSize = 0;
 }
 
 } // anonymous namespace
diff --git a/libs/ui/include/ui/Size.h b/libs/ui/include/ui/Size.h
index d9b713d..f1e8252 100644
--- a/libs/ui/include/ui/Size.h
+++ b/libs/ui/include/ui/Size.h
@@ -19,6 +19,7 @@
 #include <algorithm>
 #include <cstdint>
 #include <limits>
+#include <ostream>
 #include <type_traits>
 #include <utility>
 
@@ -108,31 +109,70 @@
     // Takes a value of type FromType, and ensures it can be represented as a value of type ToType,
     // clamping the input value to the output range if necessary.
     template <typename ToType, typename FromType>
-    static Size::remove_cv_reference_t<ToType> clamp(
-            typename std::enable_if<
-                    std::numeric_limits<Size::remove_cv_reference_t<ToType>>::is_bounded &&
-                            std::numeric_limits<Size::remove_cv_reference_t<FromType>>::is_bounded,
-                    FromType&&>::type v) {
-        static constexpr auto toHighest = std::numeric_limits<remove_cv_reference_t<ToType>>::max();
-        static constexpr auto toLowest =
-                std::numeric_limits<remove_cv_reference_t<ToType>>::lowest();
-        static constexpr auto fromHighest =
-                std::numeric_limits<remove_cv_reference_t<FromType>>::max();
-        static constexpr auto fromLowest =
-                std::numeric_limits<remove_cv_reference_t<FromType>>::lowest();
+    static Size::remove_cv_reference_t<ToType>
+    clamp(typename std::enable_if<
+            std::numeric_limits<Size::remove_cv_reference_t<ToType>>::is_specialized &&
+                    std::numeric_limits<Size::remove_cv_reference_t<FromType>>::is_specialized,
+            FromType>::type v) {
+        using BareToType = remove_cv_reference_t<ToType>;
+        using BareFromType = remove_cv_reference_t<FromType>;
+        static constexpr auto toHighest = std::numeric_limits<BareToType>::max();
+        static constexpr auto toLowest = std::numeric_limits<BareToType>::lowest();
+        static constexpr auto fromHighest = std::numeric_limits<BareFromType>::max();
+        static constexpr auto fromLowest = std::numeric_limits<BareFromType>::lowest();
 
-        // A clamp is needed if the range of FromType is not a subset of the range of ToType
-        static constexpr bool isClampNeeded = (toLowest > fromLowest) || (toHighest < fromHighest);
+        // Get the closest representation of [toLowest, toHighest] in type
+        // FromType to use to clamp the input value before conversion.
+
+        // std::common_type<...> is used to get a value-preserving type for the
+        // top end of the range.
+        using CommonHighestType = std::common_type_t<BareToType, BareFromType>;
+
+        // std::make_signed<std::common_type<...>> is used to get a
+        // value-preserving type for the bottom end of the range, except this is
+        // a bit trickier for non-integer types like float.
+        using CommonLowestType =
+                std::conditional_t<std::numeric_limits<CommonHighestType>::is_integer,
+                                   std::make_signed_t<std::conditional_t<
+                                           std::numeric_limits<CommonHighestType>::is_integer,
+                                           CommonHighestType, int /* not used */>>,
+                                   CommonHighestType>;
+
+        // We can then compute the clamp range in a way that can be later
+        // trivially converted to either the 'from' or 'to' types, and be
+        // representabile in either.
+        static constexpr auto commonClampHighest =
+                std::min(static_cast<CommonHighestType>(fromHighest),
+                         static_cast<CommonHighestType>(toHighest));
+        static constexpr auto commonClampLowest =
+                std::max(static_cast<CommonLowestType>(fromLowest),
+                         static_cast<CommonLowestType>(toLowest));
+
+        static constexpr auto fromClampHighest = static_cast<BareFromType>(commonClampHighest);
+        static constexpr auto fromClampLowest = static_cast<BareFromType>(commonClampLowest);
+
+        // A clamp is needed only if the range we are clamping to is not the
+        // same as the range of the input.
+        static constexpr bool isClampNeeded =
+                (fromLowest != fromClampLowest) || (fromHighest != fromClampHighest);
 
         // If a clamp is not needed, the conversion is just a trivial cast.
         if (!isClampNeeded) {
-            return static_cast<ToType>(v);
+            return static_cast<BareToType>(v);
         }
 
-        // Otherwise we leverage implicit conversion to safely compare values of
-        // different types, to ensure we return a value clamped to the range of
-        // ToType.
-        return v < toLowest ? toLowest : (static_cast<ToType>(v) > toHighest ? toHighest : static_cast<ToType>(v));
+        // Note: Clang complains about the value of INT32_MAX not being
+        // convertible back to int32_t from float if this is made "constexpr",
+        // when clamping a float value to an int32_t value. This is however
+        // covered by a test case to ensure the run-time cast works correctly.
+        const auto toClampHighest = static_cast<BareToType>(commonClampHighest);
+        const auto toClampLowest = static_cast<BareToType>(commonClampLowest);
+
+        // Otherwise clamping is done by using the already computed endpoints
+        // for each type.
+        return (v <= fromClampLowest)
+                ? toClampLowest
+                : ((v >= fromClampHighest) ? toClampHighest : static_cast<BareToType>(v));
     }
 };
 
@@ -154,5 +194,10 @@
     return lhs.height < rhs.height;
 }
 
+// Defining PrintTo helps with Google Tests.
+static inline void PrintTo(const Size& size, ::std::ostream* os) {
+    *os << "Size(" << size.width << ", " << size.height << ")";
+}
+
 } // namespace ui
 } // namespace android
diff --git a/libs/ui/tests/Android.bp b/libs/ui/tests/Android.bp
index ff55bc2..605c5a9 100644
--- a/libs/ui/tests/Android.bp
+++ b/libs/ui/tests/Android.bp
@@ -111,6 +111,7 @@
 
 cc_test {
     name: "Size_test",
+    test_suites: ["device-tests"],
     shared_libs: ["libui"],
     srcs: ["Size_test.cpp"],
     cflags: ["-Wall", "-Werror"],
diff --git a/libs/ui/tests/Size_test.cpp b/libs/ui/tests/Size_test.cpp
index 69e1ac8..38f37ad 100644
--- a/libs/ui/tests/Size_test.cpp
+++ b/libs/ui/tests/Size_test.cpp
@@ -19,8 +19,18 @@
 #include <cmath>
 #include <cstdlib>
 
+#ifdef __clang__
+#pragma clang diagnostic push
+#pragma clang diagnostic error "-Wimplicit-int-float-conversion"
+#pragma clang diagnostic error "-Wconversion"
+#endif // __clang__
+
 #include <ui/Size.h>
 
+#ifdef __clang__
+#pragma clang diagnostic pop
+#endif // __clang__
+
 #include <gtest/gtest.h>
 
 namespace android {
@@ -176,9 +186,34 @@
 
 TEST(SizeTest, FloatRangeIsClamped) {
     ClampTest(std::numeric_limits<float>::max(), std::numeric_limits<int32_t>::max());
+    ClampTest(nexttowardf(std::numeric_limits<int32_t>::max(), std::numeric_limits<float>::max()),
+              std::numeric_limits<int32_t>::max());
+    ClampTest(static_cast<float>(std::numeric_limits<int32_t>::max()),
+              std::numeric_limits<int32_t>::max());
+    ClampTest(nexttowardf(std::numeric_limits<int32_t>::max(), 0),
+              static_cast<int32_t>(nexttowardf(std::numeric_limits<int32_t>::max(), 0)));
     ClampTest(float(0), int32_t(0));
+    ClampTest(nexttowardf(std::numeric_limits<int32_t>::lowest(), 0),
+              static_cast<int32_t>(nexttowardf(std::numeric_limits<int32_t>::lowest(), 0)));
+    ClampTest(static_cast<float>(std::numeric_limits<int32_t>::lowest()),
+              std::numeric_limits<int32_t>::lowest());
+    ClampTest(nexttowardf(std::numeric_limits<int32_t>::lowest(),
+                          std::numeric_limits<float>::lowest()),
+              std::numeric_limits<int32_t>::lowest());
     ClampTest(std::numeric_limits<float>::lowest(), std::numeric_limits<int32_t>::lowest());
 }
 
+TEST(SizeTest, Uint32RangeIsClamped) {
+    ClampTest(std::numeric_limits<uint32_t>::max(), std::numeric_limits<int32_t>::max());
+    ClampTest(std::numeric_limits<uint32_t>::max() - 1, std::numeric_limits<int32_t>::max());
+    ClampTest(static_cast<uint32_t>(std::numeric_limits<int32_t>::max()) + 1,
+              std::numeric_limits<int32_t>::max());
+    ClampTest(static_cast<uint32_t>(std::numeric_limits<int32_t>::max()),
+              std::numeric_limits<int32_t>::max());
+    ClampTest(static_cast<uint32_t>(std::numeric_limits<int32_t>::max()) - 1,
+              std::numeric_limits<int32_t>::max() - 1);
+    ClampTest(uint32_t(0), int32_t(0));
+}
+
 } // namespace ui
 } // namespace android
diff --git a/libs/ui/tests/TEST_MAPPING b/libs/ui/tests/TEST_MAPPING
new file mode 100644
index 0000000..7fcd7de
--- /dev/null
+++ b/libs/ui/tests/TEST_MAPPING
@@ -0,0 +1,7 @@
+{
+  "presubmit": [
+    {
+      "name": "Size_test"
+    }
+  ]
+}
diff --git a/opengl/TEST_MAPPING b/opengl/TEST_MAPPING
new file mode 100644
index 0000000..d391dce
--- /dev/null
+++ b/opengl/TEST_MAPPING
@@ -0,0 +1,7 @@
+{
+  "presubmit": [
+    {
+      "name": "CtsGpuToolsHostTestCases"
+    }
+  ]
+}
diff --git a/opengl/libs/EGL/egl_display.cpp b/opengl/libs/EGL/egl_display.cpp
index 67d69b4..a58e87c 100644
--- a/opengl/libs/EGL/egl_display.cpp
+++ b/opengl/libs/EGL/egl_display.cpp
@@ -158,13 +158,16 @@
             // NOTE: This is only valid if the backend is OpenGL
             attrs.push_back(EGL_PLATFORM_ANGLE_EGL_HANDLE_ANGLE);
             attrs.push_back(vendorEGL);
+
+            // Context virtualization is only available on GL back-end.
+            // Needed to support threading with GL back-end
+            attrs.push_back(EGL_PLATFORM_ANGLE_CONTEXT_VIRTUALIZATION_ANGLE);
+            attrs.push_back(EGL_FALSE);
             break;
         default:
-            ALOGV("%s: Requesting Unknown (%d) ANGLE back-end", __FUNCTION__, cnx->angleBackend);
+            ALOGE("%s: Requesting Unknown (%d) ANGLE back-end", __FUNCTION__, cnx->angleBackend);
             break;
     }
-    attrs.push_back(EGL_PLATFORM_ANGLE_CONTEXT_VIRTUALIZATION_ANGLE);
-    attrs.push_back(EGL_FALSE);
 
     return true;
 }
diff --git a/services/automotive/display/Android.bp b/services/automotive/display/Android.bp
index 8ff0711..c3da216 100644
--- a/services/automotive/display/Android.bp
+++ b/services/automotive/display/Android.bp
@@ -40,4 +40,8 @@
     cflags: [
         "-DLOG_TAG=\"AutomotiveDisplayService\""
     ],
+
+    vintf_fragments: [
+        "manifest_android.frameworks.automotive.display@1.0.xml",
+    ],
 }
diff --git a/services/automotive/display/manifest_android.frameworks.automotive.display@1.0.xml b/services/automotive/display/manifest_android.frameworks.automotive.display@1.0.xml
new file mode 100644
index 0000000..464dcac
--- /dev/null
+++ b/services/automotive/display/manifest_android.frameworks.automotive.display@1.0.xml
@@ -0,0 +1,11 @@
+<manifest version="1.0" type="framework">
+    <hal>
+        <name>android.frameworks.automotive.display</name>
+        <transport>hwbinder</transport>
+        <version>1.0</version>
+        <interface>
+            <name>IAutomotiveDisplayProxyService</name>
+            <instance>default</instance>
+        </interface>
+    </hal>
+</manifest>
diff --git a/services/gpuservice/gpustats/GpuStats.cpp b/services/gpuservice/gpustats/GpuStats.cpp
index d094532..231d068 100644
--- a/services/gpuservice/gpustats/GpuStats.cpp
+++ b/services/gpuservice/gpustats/GpuStats.cpp
@@ -30,16 +30,11 @@
 
 namespace android {
 
-GpuStats::GpuStats() {
-    AStatsManager_registerPullAtomCallback(android::util::GPU_STATS_GLOBAL_INFO,
-                                           GpuStats::pullAtomCallback, nullptr, this);
-    AStatsManager_registerPullAtomCallback(android::util::GPU_STATS_APP_INFO,
-                                           GpuStats::pullAtomCallback, nullptr, this);
-}
-
 GpuStats::~GpuStats() {
-    AStatsManager_unregisterPullAtomCallback(android::util::GPU_STATS_GLOBAL_INFO);
-    AStatsManager_unregisterPullAtomCallback(android::util::GPU_STATS_APP_INFO);
+    if (mStatsdRegistered) {
+        AStatsManager_clearPullAtomCallback(android::util::GPU_STATS_GLOBAL_INFO);
+        AStatsManager_clearPullAtomCallback(android::util::GPU_STATS_APP_INFO);
+    }
 }
 
 static void addLoadingCount(GpuStatsInfo::Driver driver, bool isDriverLoaded,
@@ -97,6 +92,7 @@
     ATRACE_CALL();
 
     std::lock_guard<std::mutex> lock(mLock);
+    registerStatsdCallbacksIfNeeded();
     ALOGV("Received:\n"
           "\tdriverPackageName[%s]\n"
           "\tdriverVersionName[%s]\n"
@@ -150,6 +146,7 @@
     const std::string appStatsKey = appPackageName + std::to_string(driverVersionCode);
 
     std::lock_guard<std::mutex> lock(mLock);
+    registerStatsdCallbacksIfNeeded();
     if (!mAppStats.count(appStatsKey)) {
         return;
     }
@@ -179,6 +176,16 @@
     mGlobalStats[0].glesVersion = property_get_int32("ro.opengles.version", 0);
 }
 
+void GpuStats::registerStatsdCallbacksIfNeeded() {
+    if (!mStatsdRegistered) {
+        AStatsManager_setPullAtomCallback(android::util::GPU_STATS_GLOBAL_INFO, nullptr,
+                                         GpuStats::pullAtomCallback, this);
+        AStatsManager_setPullAtomCallback(android::util::GPU_STATS_APP_INFO, nullptr,
+                                         GpuStats::pullAtomCallback, this);
+        mStatsdRegistered = true;
+    }
+}
+
 void GpuStats::dump(const Vector<String16>& args, std::string* result) {
     ATRACE_CALL();
 
diff --git a/services/gpuservice/gpustats/include/gpustats/GpuStats.h b/services/gpuservice/gpustats/include/gpustats/GpuStats.h
index 8ca4e4e..55f0da1 100644
--- a/services/gpuservice/gpustats/include/gpustats/GpuStats.h
+++ b/services/gpuservice/gpustats/include/gpustats/GpuStats.h
@@ -30,7 +30,6 @@
 
 class GpuStats {
 public:
-    GpuStats();
     ~GpuStats();
 
     // Insert new gpu driver stats into global stats and app stats.
@@ -66,12 +65,16 @@
     void dumpAppLocked(std::string* result);
     // Append cpuVulkanVersion and glesVersion to system driver stats
     void interceptSystemDriverStatsLocked();
+    // Registers statsd callbacks if they have not already been registered
+    void registerStatsdCallbacksIfNeeded();
 
     // Below limits the memory usage of GpuStats to be less than 10KB. This is
     // the preferred number for statsd while maintaining nice data quality.
     static const size_t MAX_NUM_APP_RECORDS = 100;
     // GpuStats access should be guarded by mLock.
     std::mutex mLock;
+    // True if statsd callbacks have been registered.
+    bool mStatsdRegistered = false;
     // Key is driver version code.
     std::unordered_map<uint64_t, GpuStatsGlobalInfo> mGlobalStats;
     // Key is <app package name>+<driver version code>.
diff --git a/services/inputflinger/Android.bp b/services/inputflinger/Android.bp
index 4ec4e25..f67c9d0 100644
--- a/services/inputflinger/Android.bp
+++ b/services/inputflinger/Android.bp
@@ -52,7 +52,6 @@
         "libstatslog",
         "libutils",
         "libui",
-        "server_configurable_flags",
     ],
 }
 
diff --git a/services/inputflinger/InputClassifier.cpp b/services/inputflinger/InputClassifier.cpp
index e5e83d7..77a0716 100644
--- a/services/inputflinger/InputClassifier.cpp
+++ b/services/inputflinger/InputClassifier.cpp
@@ -27,7 +27,6 @@
 #if defined(__linux__)
     #include <pthread.h>
 #endif
-#include <server_configurable_flags/get_flags.h>
 #include <unordered_set>
 
 #include <android/hardware/input/classifier/1.0/IInputClassifier.h>
@@ -46,13 +45,6 @@
 
 namespace android {
 
-static constexpr bool DEBUG = false;
-
-// Category (=namespace) name for the input settings that are applied at boot time
-static const char* INPUT_NATIVE_BOOT = "input_native_boot";
-// Feature flag name for the deep press feature
-static const char* DEEP_PRESS_ENABLED = "deep_press_enabled";
-
 //Max number of elements to store in mEvents.
 static constexpr size_t MAX_EVENTS = 5;
 
@@ -79,20 +71,6 @@
     return args.source == AINPUT_SOURCE_TOUCHPAD || args.source == AINPUT_SOURCE_TOUCHSCREEN;
 }
 
-// Check if the "deep touch" feature is on.
-static bool deepPressEnabled() {
-    std::string flag_value = server_configurable_flags::GetServerConfigurableFlag(
-            INPUT_NATIVE_BOOT, DEEP_PRESS_ENABLED, "true");
-    std::transform(flag_value.begin(), flag_value.end(), flag_value.begin(), ::tolower);
-    if (flag_value == "1" || flag_value == "true") {
-        ALOGI("Deep press feature enabled.");
-        return true;
-    }
-    ALOGI("Deep press feature is not enabled.");
-    return false;
-}
-
-
 // --- ClassifierEvent ---
 
 ClassifierEvent::ClassifierEvent(std::unique_ptr<NotifyMotionArgs> args) :
@@ -141,53 +119,40 @@
 
 // --- MotionClassifier ---
 
-MotionClassifier::MotionClassifier(sp<android::hardware::hidl_death_recipient> deathRecipient) :
-        mDeathRecipient(deathRecipient), mEvents(MAX_EVENTS) {
-    mHalThread = std::thread(&MotionClassifier::callInputClassifierHal, this);
-#if defined(__linux__)
-    // Set the thread name for debugging
-    pthread_setname_np(mHalThread.native_handle(), "InputClassifier");
-#endif
-}
-
-/**
- * This function may block for some time to initialize the HAL, so it should only be called
- * from the "InputClassifier HAL" thread.
- */
-bool MotionClassifier::init() {
-    ensureHalThread(__func__);
-    sp<android::hardware::input::classifier::V1_0::IInputClassifier> service =
-            classifier::V1_0::IInputClassifier::getService();
-    if (!service) {
-        // Not really an error, maybe the device does not have this HAL,
-        // but somehow the feature flag is flipped
-        ALOGI("Could not obtain InputClassifier HAL");
-        return false;
-    }
-
-    sp<android::hardware::hidl_death_recipient> recipient = mDeathRecipient.promote();
-    if (recipient != nullptr) {
-        const bool linked = service->linkToDeath(recipient, 0 /* cookie */).withDefault(false);
-        if (!linked) {
-            ALOGE("Could not link MotionClassifier to the HAL death");
-            return false;
-        }
-    }
-
+MotionClassifier::MotionClassifier(
+        sp<android::hardware::input::classifier::V1_0::IInputClassifier> service)
+      : mEvents(MAX_EVENTS), mService(service) {
     // Under normal operation, we do not need to reset the HAL here. But in the case where system
     // crashed, but HAL didn't, we may be connecting to an existing HAL process that might already
     // have received events in the past. That means, that HAL could be in an inconsistent state
     // once it receives events from the newly created MotionClassifier.
     mEvents.push(ClassifierEvent::createHalResetEvent());
 
-    {
-        std::scoped_lock lock(mLock);
-        if (mService) {
-            ALOGE("MotionClassifier::%s should only be called once", __func__);
-        }
-        mService = service;
+    mHalThread = std::thread(&MotionClassifier::processEvents, this);
+#if defined(__linux__)
+    // Set the thread name for debugging
+    pthread_setname_np(mHalThread.native_handle(), "InputClassifier");
+#endif
+}
+
+std::unique_ptr<MotionClassifierInterface> MotionClassifier::create(
+        sp<android::hardware::hidl_death_recipient> deathRecipient) {
+    sp<android::hardware::input::classifier::V1_0::IInputClassifier> service =
+            classifier::V1_0::IInputClassifier::getService();
+    if (!service) {
+        // Not really an error, maybe the device does not have this HAL,
+        // but somehow the feature flag is flipped
+        ALOGI("Could not obtain InputClassifier HAL");
+        return nullptr;
     }
-    return true;
+
+    const bool linked = service->linkToDeath(deathRecipient, 0 /* cookie */).withDefault(false);
+    if (!linked) {
+        ALOGE("Could not link death recipient to the HAL death");
+        return nullptr;
+    }
+    // Using 'new' to access a non-public constructor
+    return std::unique_ptr<MotionClassifier>(new MotionClassifier(service));
 }
 
 MotionClassifier::~MotionClassifier() {
@@ -195,14 +160,6 @@
     mHalThread.join();
 }
 
-void MotionClassifier::ensureHalThread(const char* function) {
-    if (DEBUG) {
-        if (std::this_thread::get_id() != mHalThread.get_id()) {
-            LOG_FATAL("Function %s should only be called from InputClassifier thread", function);
-        }
-    }
-}
-
 /**
  * Obtain the classification from the HAL for a given MotionEvent.
  * Should only be called from the InputClassifier thread (mHalThread).
@@ -213,23 +170,7 @@
  * To remove any possibility of negatively affecting the touch latency, the HAL
  * is called from a dedicated thread.
  */
-void MotionClassifier::callInputClassifierHal() {
-    ensureHalThread(__func__);
-    const bool initialized = init();
-    if (!initialized) {
-        // MotionClassifier no longer useful.
-        // Deliver death notification from a separate thread
-        // because ~MotionClassifier may be invoked, which calls mHalThread.join()
-        std::thread([deathRecipient = mDeathRecipient](){
-                sp<android::hardware::hidl_death_recipient> recipient = deathRecipient.promote();
-                if (recipient != nullptr) {
-                    recipient->serviceDied(0 /*cookie*/, nullptr);
-                }
-        }).detach();
-        return;
-    }
-    // From this point on, mService is guaranteed to be non-null.
-
+void MotionClassifier::processEvents() {
     while (true) {
         ClassifierEvent event = mEvents.pop();
         bool halResponseOk = true;
@@ -389,24 +330,41 @@
     }
 }
 
+// --- HalDeathRecipient
+
+InputClassifier::HalDeathRecipient::HalDeathRecipient(InputClassifier& parent) : mParent(parent) {}
+
+void InputClassifier::HalDeathRecipient::serviceDied(
+        uint64_t cookie, const wp<android::hidl::base::V1_0::IBase>& who) {
+    sp<android::hidl::base::V1_0::IBase> service = who.promote();
+    if (service) {
+        service->unlinkToDeath(this);
+    }
+    mParent.setMotionClassifier(nullptr);
+}
 
 // --- InputClassifier ---
 
-InputClassifier::InputClassifier(const sp<InputListenerInterface>& listener) :
-        mListener(listener) {
-    // The rest of the initialization is done in onFirstRef, because we need to obtain
-    // an sp to 'this' in order to register for HAL death notifications
-}
+InputClassifier::InputClassifier(const sp<InputListenerInterface>& listener)
+      : mListener(listener), mHalDeathRecipient(new HalDeathRecipient(*this)) {}
 
-void InputClassifier::onFirstRef() {
-    if (!deepPressEnabled()) {
-        // If feature is not enabled, MotionClassifier should stay null to avoid unnecessary work.
-        // When MotionClassifier is null, InputClassifier will forward all events
-        // to the next InputListener, unmodified.
-        return;
+void InputClassifier::setMotionClassifierEnabled(bool enabled) {
+    if (enabled) {
+        ALOGI("Enabling motion classifier");
+        if (mInitializeMotionClassifierThread.joinable()) {
+            mInitializeMotionClassifierThread.join();
+        }
+        mInitializeMotionClassifierThread = std::thread(
+                [this] { setMotionClassifier(MotionClassifier::create(mHalDeathRecipient)); });
+#if defined(__linux__)
+        // Set the thread name for debugging
+        pthread_setname_np(mInitializeMotionClassifierThread.native_handle(),
+                           "Create MotionClassifier");
+#endif
+    } else {
+        ALOGI("Disabling motion classifier");
+        setMotionClassifier(nullptr);
     }
-    std::scoped_lock lock(mLock);
-    mMotionClassifier = std::make_unique<MotionClassifier>(this);
 }
 
 void InputClassifier::notifyConfigurationChanged(const NotifyConfigurationChangedArgs* args) {
@@ -447,22 +405,15 @@
     mListener->notifyDeviceReset(args);
 }
 
-void InputClassifier::serviceDied(uint64_t /*cookie*/,
-        const wp<android::hidl::base::V1_0::IBase>& who) {
+void InputClassifier::setMotionClassifier(
+        std::unique_ptr<MotionClassifierInterface> motionClassifier) {
     std::scoped_lock lock(mLock);
-    ALOGE("InputClassifier HAL has died. Setting mMotionClassifier to null");
-    mMotionClassifier = nullptr;
-    sp<android::hidl::base::V1_0::IBase> service = who.promote();
-    if (service) {
-        service->unlinkToDeath(this);
-    }
+    mMotionClassifier = std::move(motionClassifier);
 }
 
 void InputClassifier::dump(std::string& dump) {
     std::scoped_lock lock(mLock);
     dump += "Input Classifier State:\n";
-    dump += StringPrintf(INDENT1 "Deep press: %s\n", deepPressEnabled() ? "enabled" : "disabled");
-
     dump += INDENT1 "Motion Classifier:\n";
     if (mMotionClassifier) {
         mMotionClassifier->dump(dump);
@@ -472,4 +423,10 @@
     dump += "\n";
 }
 
+InputClassifier::~InputClassifier() {
+    if (mInitializeMotionClassifierThread.joinable()) {
+        mInitializeMotionClassifierThread.join();
+    }
+}
+
 } // namespace android
diff --git a/services/inputflinger/InputClassifier.h b/services/inputflinger/InputClassifier.h
index 9692352..03510a6 100644
--- a/services/inputflinger/InputClassifier.h
+++ b/services/inputflinger/InputClassifier.h
@@ -19,8 +19,8 @@
 
 #include <android-base/thread_annotations.h>
 #include <utils/RefBase.h>
-#include <unordered_map>
 #include <thread>
+#include <unordered_map>
 
 #include "BlockingQueue.h"
 #include "InputListener.h"
@@ -90,6 +90,7 @@
  */
 class InputClassifierInterface : public virtual RefBase, public InputListenerInterface {
 public:
+    virtual void setMotionClassifierEnabled(bool enabled) = 0;
     /**
      * Dump the state of the input classifier.
      * This method may be called on any thread (usually by the input manager).
@@ -113,23 +114,23 @@
  */
 class MotionClassifier final : public MotionClassifierInterface {
 public:
-    /**
-     * The deathRecipient will be subscribed to the HAL death. If the death recipient
-     * owns MotionClassifier and receives HAL death, it should delete its copy of it.
-     * The callback serviceDied will also be sent if the MotionClassifier itself fails
-     * to initialize. If the MotionClassifier fails to initialize, it is not useful, and
-     * should be deleted.
-     * If no death recipient is supplied, then the registration step will be skipped, so there will
-     * be no listeners registered for the HAL death. This is useful for testing
-     * MotionClassifier in isolation.
+    /*
+     * Create an instance of MotionClassifier.
+     * The death recipient, if provided, will be subscribed to the HAL death.
+     * The death recipient could be used to destroy MotionClassifier.
+     *
+     * This function should be called asynchronously, because getService takes a long time.
      */
-    explicit MotionClassifier(sp<android::hardware::hidl_death_recipient> deathRecipient = nullptr);
+    static std::unique_ptr<MotionClassifierInterface> create(
+            sp<android::hardware::hidl_death_recipient> deathRecipient);
+
     ~MotionClassifier();
 
     /**
      * Classifies events asynchronously; that is, it doesn't block events on a classification,
-     * but instead sends them over to the classifier HAL and after a classification is
-     * determined, it then marks the next event it sees in the stream with it.
+     * but instead sends them over to the classifier HAL. After a classification of a specific
+     * event is determined, MotionClassifier then marks the next event in the stream with this
+     * classification.
      *
      * Therefore, it is acceptable to have the classifications be delayed by 1-2 events
      * in a particular gesture.
@@ -141,15 +142,9 @@
     virtual void dump(std::string& dump) override;
 
 private:
-    /**
-     * Initialize MotionClassifier.
-     * Return true if initializaion is successful.
-     */
-    bool init();
-    /**
-     * Entity that will be notified of the HAL death (most likely InputClassifier).
-     */
-    wp<android::hardware::hidl_death_recipient> mDeathRecipient;
+    friend class MotionClassifierTest; // to create MotionClassifier with a test HAL implementation
+    explicit MotionClassifier(
+            sp<android::hardware::input::classifier::V1_0::IInputClassifier> service);
 
     // The events that need to be sent to the HAL.
     BlockingQueue<ClassifierEvent> mEvents;
@@ -164,14 +159,9 @@
      */
     std::thread mHalThread;
     /**
-     * Print an error message if the caller is not on the InputClassifier thread.
-     * Caller must supply the name of the calling function as __func__
+     * Process events and call the InputClassifier HAL
      */
-    void ensureHalThread(const char* function);
-    /**
-     * Call the InputClassifier HAL
-     */
-    void callInputClassifierHal();
+    void processEvents();
     /**
      * Access to the InputClassifier HAL. May be null if init() hasn't completed yet.
      * When init() successfully completes, mService is guaranteed to remain non-null and to not
@@ -225,19 +215,15 @@
     const char* getServiceStatus() REQUIRES(mLock);
 };
 
-
 /**
  * Implementation of the InputClassifierInterface.
  * Represents a separate stage of input processing. All of the input events go through this stage.
  * Acts as a passthrough for all input events except for motion events.
  * The events of motion type are sent to MotionClassifier.
  */
-class InputClassifier : public InputClassifierInterface,
-        public android::hardware::hidl_death_recipient {
+class InputClassifier : public InputClassifierInterface {
 public:
     explicit InputClassifier(const sp<InputListenerInterface>& listener);
-    // Some of the constructor logic is finished in onFirstRef
-    virtual void onFirstRef() override;
 
     virtual void notifyConfigurationChanged(const NotifyConfigurationChangedArgs* args) override;
     virtual void notifyKey(const NotifyKeyArgs* args) override;
@@ -245,17 +231,47 @@
     virtual void notifySwitch(const NotifySwitchArgs* args) override;
     virtual void notifyDeviceReset(const NotifyDeviceResetArgs* args) override;
 
-    virtual void serviceDied(uint64_t cookie,
-            const wp<android::hidl::base::V1_0::IBase>& who) override;
-
     virtual void dump(std::string& dump) override;
 
+    ~InputClassifier();
+
+    // Called from InputManager
+    virtual void setMotionClassifierEnabled(bool enabled) override;
+
 private:
     // Protect access to mMotionClassifier, since it may become null via a hidl callback
     std::mutex mLock;
-    std::unique_ptr<MotionClassifierInterface> mMotionClassifier GUARDED_BY(mLock);
     // The next stage to pass input events to
     sp<InputListenerInterface> mListener;
+
+    std::unique_ptr<MotionClassifierInterface> mMotionClassifier GUARDED_BY(mLock);
+    std::thread mInitializeMotionClassifierThread;
+    /**
+     * Set the value of mMotionClassifier.
+     * This is called from 2 different threads:
+     * 1) mInitializeMotionClassifierThread, when we have constructed a MotionClassifier
+     * 2) A binder thread of the HalDeathRecipient, which is created when HAL dies. This would cause
+     *    mMotionClassifier to become nullptr.
+     */
+    void setMotionClassifier(std::unique_ptr<MotionClassifierInterface> motionClassifier);
+
+    /**
+     * The deathRecipient will call setMotionClassifier(null) when the HAL dies.
+     */
+    class HalDeathRecipient : public android::hardware::hidl_death_recipient {
+    public:
+        explicit HalDeathRecipient(InputClassifier& parent);
+        virtual void serviceDied(uint64_t cookie,
+                                 const wp<android::hidl::base::V1_0::IBase>& who) override;
+
+    private:
+        InputClassifier& mParent;
+    };
+    // We retain a reference to death recipient, because the death recipient will be calling
+    // ~MotionClassifier if the HAL dies.
+    // If we don't retain a reference, and MotionClassifier is the only owner of the death
+    // recipient, the serviceDied call will cause death recipient to call its own destructor.
+    sp<HalDeathRecipient> mHalDeathRecipient;
 };
 
 } // namespace android
diff --git a/services/inputflinger/InputManager.cpp b/services/inputflinger/InputManager.cpp
index c7c61cf..e68946d 100644
--- a/services/inputflinger/InputManager.cpp
+++ b/services/inputflinger/InputManager.cpp
@@ -111,8 +111,10 @@
         handlesPerDisplay.emplace(info.displayId, std::vector<sp<InputWindowHandle>>());
         handlesPerDisplay[info.displayId].push_back(new BinderWindowHandle(info));
     }
-    for (auto const& i : handlesPerDisplay) {
-        mDispatcher->setInputWindows(i.second, i.first, setInputWindowsListener);
+    mDispatcher->setInputWindows(handlesPerDisplay);
+
+    if (setInputWindowsListener) {
+        setInputWindowsListener->onSetInputWindowsFinished();
     }
 }
 
@@ -132,4 +134,8 @@
     mDispatcher->unregisterInputChannel(channel);
 }
 
+void InputManager::setMotionClassifierEnabled(bool enabled) {
+    mClassifier->setMotionClassifierEnabled(enabled);
+}
+
 } // namespace android
diff --git a/services/inputflinger/InputManager.h b/services/inputflinger/InputManager.h
index 586097f..0158441 100644
--- a/services/inputflinger/InputManager.h
+++ b/services/inputflinger/InputManager.h
@@ -100,6 +100,8 @@
     virtual void registerInputChannel(const sp<InputChannel>& channel);
     virtual void unregisterInputChannel(const sp<InputChannel>& channel);
 
+    void setMotionClassifierEnabled(bool enabled);
+
 private:
     sp<InputReaderInterface> mReader;
 
diff --git a/services/inputflinger/benchmarks/InputDispatcher_benchmarks.cpp b/services/inputflinger/benchmarks/InputDispatcher_benchmarks.cpp
index 3b18813..7c5c9c5 100644
--- a/services/inputflinger/benchmarks/InputDispatcher_benchmarks.cpp
+++ b/services/inputflinger/benchmarks/InputDispatcher_benchmarks.cpp
@@ -252,7 +252,7 @@
     sp<FakeApplicationHandle> application = new FakeApplicationHandle();
     sp<FakeWindowHandle> window = new FakeWindowHandle(application, dispatcher, "Fake Window");
 
-    dispatcher->setInputWindows({window}, ADISPLAY_ID_DEFAULT);
+    dispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
 
     NotifyMotionArgs motionArgs = generateMotionArgs();
 
@@ -288,7 +288,7 @@
     sp<FakeApplicationHandle> application = new FakeApplicationHandle();
     sp<FakeWindowHandle> window = new FakeWindowHandle(application, dispatcher, "Fake Window");
 
-    dispatcher->setInputWindows({window}, ADISPLAY_ID_DEFAULT);
+    dispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
 
     for (auto _ : state) {
         MotionEvent event = generateMotionEvent();
diff --git a/services/inputflinger/dispatcher/InputDispatcher.cpp b/services/inputflinger/dispatcher/InputDispatcher.cpp
index 308d19b..4ec61b0 100644
--- a/services/inputflinger/dispatcher/InputDispatcher.cpp
+++ b/services/inputflinger/dispatcher/InputDispatcher.cpp
@@ -3621,6 +3621,18 @@
     mWindowHandlesByDisplay[displayId] = newHandles;
 }
 
+void InputDispatcher::setInputWindows(
+        const std::unordered_map<int32_t, std::vector<sp<InputWindowHandle>>>& handlesPerDisplay) {
+    { // acquire lock
+        std::scoped_lock _l(mLock);
+        for (auto const& i : handlesPerDisplay) {
+            setInputWindowsLocked(i.second, i.first);
+        }
+    }
+    // Wake up poll loop since it may need to make new input dispatching choices.
+    mLooper->wake();
+}
+
 /**
  * Called from InputManagerService, update window handle list by displayId that can receive input.
  * A window handle contains information about InputChannel, Touch Region, Types, Focused,...
@@ -3628,9 +3640,8 @@
  * For focused handle, check if need to change and send a cancel event to previous one.
  * For removed handle, check if need to send a cancel event if already in touch.
  */
-void InputDispatcher::setInputWindows(const std::vector<sp<InputWindowHandle>>& inputWindowHandles,
-                                      int32_t displayId,
-                                      const sp<ISetInputWindowsListener>& setInputWindowsListener) {
+void InputDispatcher::setInputWindowsLocked(
+        const std::vector<sp<InputWindowHandle>>& inputWindowHandles, int32_t displayId) {
     if (DEBUG_FOCUS) {
         std::string windowList;
         for (const sp<InputWindowHandle>& iwh : inputWindowHandles) {
@@ -3638,109 +3649,97 @@
         }
         ALOGD("setInputWindows displayId=%" PRId32 " %s", displayId, windowList.c_str());
     }
-    { // acquire lock
-        std::scoped_lock _l(mLock);
 
-        // Copy old handles for release if they are no longer present.
-        const std::vector<sp<InputWindowHandle>> oldWindowHandles =
-                getWindowHandlesLocked(displayId);
+    // Copy old handles for release if they are no longer present.
+    const std::vector<sp<InputWindowHandle>> oldWindowHandles = getWindowHandlesLocked(displayId);
 
-        updateWindowHandlesForDisplayLocked(inputWindowHandles, displayId);
+    updateWindowHandlesForDisplayLocked(inputWindowHandles, displayId);
 
-        sp<InputWindowHandle> newFocusedWindowHandle = nullptr;
-        bool foundHoveredWindow = false;
-        for (const sp<InputWindowHandle>& windowHandle : getWindowHandlesLocked(displayId)) {
-            // Set newFocusedWindowHandle to the top most focused window instead of the last one
-            if (!newFocusedWindowHandle && windowHandle->getInfo()->hasFocus &&
-                windowHandle->getInfo()->visible) {
-                newFocusedWindowHandle = windowHandle;
+    sp<InputWindowHandle> newFocusedWindowHandle = nullptr;
+    bool foundHoveredWindow = false;
+    for (const sp<InputWindowHandle>& windowHandle : getWindowHandlesLocked(displayId)) {
+        // Set newFocusedWindowHandle to the top most focused window instead of the last one
+        if (!newFocusedWindowHandle && windowHandle->getInfo()->hasFocus &&
+            windowHandle->getInfo()->visible) {
+            newFocusedWindowHandle = windowHandle;
+        }
+        if (windowHandle == mLastHoverWindowHandle) {
+            foundHoveredWindow = true;
+        }
+    }
+
+    if (!foundHoveredWindow) {
+        mLastHoverWindowHandle = nullptr;
+    }
+
+    sp<InputWindowHandle> oldFocusedWindowHandle =
+            getValueByKey(mFocusedWindowHandlesByDisplay, displayId);
+
+    if (!haveSameToken(oldFocusedWindowHandle, newFocusedWindowHandle)) {
+        if (oldFocusedWindowHandle != nullptr) {
+            if (DEBUG_FOCUS) {
+                ALOGD("Focus left window: %s in display %" PRId32,
+                      oldFocusedWindowHandle->getName().c_str(), displayId);
             }
-            if (windowHandle == mLastHoverWindowHandle) {
-                foundHoveredWindow = true;
+            sp<InputChannel> focusedInputChannel =
+                    getInputChannelLocked(oldFocusedWindowHandle->getToken());
+            if (focusedInputChannel != nullptr) {
+                CancelationOptions options(CancelationOptions::CANCEL_NON_POINTER_EVENTS,
+                                           "focus left window");
+                synthesizeCancelationEventsForInputChannelLocked(focusedInputChannel, options);
+                enqueueFocusEventLocked(*oldFocusedWindowHandle, false /*hasFocus*/);
             }
+            mFocusedWindowHandlesByDisplay.erase(displayId);
+        }
+        if (newFocusedWindowHandle != nullptr) {
+            if (DEBUG_FOCUS) {
+                ALOGD("Focus entered window: %s in display %" PRId32,
+                      newFocusedWindowHandle->getName().c_str(), displayId);
+            }
+            mFocusedWindowHandlesByDisplay[displayId] = newFocusedWindowHandle;
+            enqueueFocusEventLocked(*newFocusedWindowHandle, true /*hasFocus*/);
         }
 
-        if (!foundHoveredWindow) {
-            mLastHoverWindowHandle = nullptr;
+        if (mFocusedDisplayId == displayId) {
+            onFocusChangedLocked(oldFocusedWindowHandle, newFocusedWindowHandle);
         }
+    }
 
-        sp<InputWindowHandle> oldFocusedWindowHandle =
-                getValueByKey(mFocusedWindowHandlesByDisplay, displayId);
-
-        if (!haveSameToken(oldFocusedWindowHandle, newFocusedWindowHandle)) {
-            if (oldFocusedWindowHandle != nullptr) {
+    ssize_t stateIndex = mTouchStatesByDisplay.indexOfKey(displayId);
+    if (stateIndex >= 0) {
+        TouchState& state = mTouchStatesByDisplay.editValueAt(stateIndex);
+        for (size_t i = 0; i < state.windows.size();) {
+            TouchedWindow& touchedWindow = state.windows[i];
+            if (!hasWindowHandleLocked(touchedWindow.windowHandle)) {
                 if (DEBUG_FOCUS) {
-                    ALOGD("Focus left window: %s in display %" PRId32,
-                          oldFocusedWindowHandle->getName().c_str(), displayId);
+                    ALOGD("Touched window was removed: %s in display %" PRId32,
+                          touchedWindow.windowHandle->getName().c_str(), displayId);
                 }
-                sp<InputChannel> focusedInputChannel =
-                        getInputChannelLocked(oldFocusedWindowHandle->getToken());
-                if (focusedInputChannel != nullptr) {
-                    CancelationOptions options(CancelationOptions::CANCEL_NON_POINTER_EVENTS,
-                                               "focus left window");
-                    synthesizeCancelationEventsForInputChannelLocked(focusedInputChannel, options);
-                    enqueueFocusEventLocked(*oldFocusedWindowHandle, false /*hasFocus*/);
+                sp<InputChannel> touchedInputChannel =
+                        getInputChannelLocked(touchedWindow.windowHandle->getToken());
+                if (touchedInputChannel != nullptr) {
+                    CancelationOptions options(CancelationOptions::CANCEL_POINTER_EVENTS,
+                                               "touched window was removed");
+                    synthesizeCancelationEventsForInputChannelLocked(touchedInputChannel, options);
                 }
-                mFocusedWindowHandlesByDisplay.erase(displayId);
-            }
-            if (newFocusedWindowHandle != nullptr) {
-                if (DEBUG_FOCUS) {
-                    ALOGD("Focus entered window: %s in display %" PRId32,
-                          newFocusedWindowHandle->getName().c_str(), displayId);
-                }
-                mFocusedWindowHandlesByDisplay[displayId] = newFocusedWindowHandle;
-                enqueueFocusEventLocked(*newFocusedWindowHandle, true /*hasFocus*/);
-            }
-
-            if (mFocusedDisplayId == displayId) {
-                onFocusChangedLocked(oldFocusedWindowHandle, newFocusedWindowHandle);
+                state.windows.erase(state.windows.begin() + i);
+            } else {
+                ++i;
             }
         }
+    }
 
-        ssize_t stateIndex = mTouchStatesByDisplay.indexOfKey(displayId);
-        if (stateIndex >= 0) {
-            TouchState& state = mTouchStatesByDisplay.editValueAt(stateIndex);
-            for (size_t i = 0; i < state.windows.size();) {
-                TouchedWindow& touchedWindow = state.windows[i];
-                if (!hasWindowHandleLocked(touchedWindow.windowHandle)) {
-                    if (DEBUG_FOCUS) {
-                        ALOGD("Touched window was removed: %s in display %" PRId32,
-                              touchedWindow.windowHandle->getName().c_str(), displayId);
-                    }
-                    sp<InputChannel> touchedInputChannel =
-                            getInputChannelLocked(touchedWindow.windowHandle->getToken());
-                    if (touchedInputChannel != nullptr) {
-                        CancelationOptions options(CancelationOptions::CANCEL_POINTER_EVENTS,
-                                                   "touched window was removed");
-                        synthesizeCancelationEventsForInputChannelLocked(touchedInputChannel,
-                                                                         options);
-                    }
-                    state.windows.erase(state.windows.begin() + i);
-                } else {
-                    ++i;
-                }
+    // Release information for windows that are no longer present.
+    // This ensures that unused input channels are released promptly.
+    // Otherwise, they might stick around until the window handle is destroyed
+    // which might not happen until the next GC.
+    for (const sp<InputWindowHandle>& oldWindowHandle : oldWindowHandles) {
+        if (!hasWindowHandleLocked(oldWindowHandle)) {
+            if (DEBUG_FOCUS) {
+                ALOGD("Window went away: %s", oldWindowHandle->getName().c_str());
             }
+            oldWindowHandle->releaseChannel();
         }
-
-        // Release information for windows that are no longer present.
-        // This ensures that unused input channels are released promptly.
-        // Otherwise, they might stick around until the window handle is destroyed
-        // which might not happen until the next GC.
-        for (const sp<InputWindowHandle>& oldWindowHandle : oldWindowHandles) {
-            if (!hasWindowHandleLocked(oldWindowHandle)) {
-                if (DEBUG_FOCUS) {
-                    ALOGD("Window went away: %s", oldWindowHandle->getName().c_str());
-                }
-                oldWindowHandle->releaseChannel();
-            }
-        }
-    } // release lock
-
-    // Wake up poll loop since it may need to make new input dispatching choices.
-    mLooper->wake();
-
-    if (setInputWindowsListener) {
-        setInputWindowsListener->onSetInputWindowsFinished();
     }
 }
 
diff --git a/services/inputflinger/dispatcher/InputDispatcher.h b/services/inputflinger/dispatcher/InputDispatcher.h
index 4aa47f8..cbba7e1 100644
--- a/services/inputflinger/dispatcher/InputDispatcher.h
+++ b/services/inputflinger/dispatcher/InputDispatcher.h
@@ -109,8 +109,8 @@
     virtual std::unique_ptr<VerifiedInputEvent> verifyInputEvent(const InputEvent& event) override;
 
     virtual void setInputWindows(
-            const std::vector<sp<InputWindowHandle>>& inputWindowHandles, int32_t displayId,
-            const sp<ISetInputWindowsListener>& setInputWindowsListener = nullptr) override;
+            const std::unordered_map<int32_t, std::vector<sp<InputWindowHandle>>>&
+                    handlesPerDisplay) override;
     virtual void setFocusedApplication(
             int32_t displayId, const sp<InputApplicationHandle>& inputApplicationHandle) override;
     virtual void setFocusedDisplay(int32_t displayId) override;
@@ -278,6 +278,8 @@
 
     std::unordered_map<int32_t, std::vector<sp<InputWindowHandle>>> mWindowHandlesByDisplay
             GUARDED_BY(mLock);
+    void setInputWindowsLocked(const std::vector<sp<InputWindowHandle>>& inputWindowHandles,
+                               int32_t displayId) REQUIRES(mLock);
     // Get window handles by display, return an empty vector if not found.
     std::vector<sp<InputWindowHandle>> getWindowHandlesLocked(int32_t displayId) const
             REQUIRES(mLock);
diff --git a/services/inputflinger/dispatcher/include/InputDispatcherInterface.h b/services/inputflinger/dispatcher/include/InputDispatcherInterface.h
index 6e98676..09dc92c 100644
--- a/services/inputflinger/dispatcher/include/InputDispatcherInterface.h
+++ b/services/inputflinger/dispatcher/include/InputDispatcherInterface.h
@@ -19,6 +19,7 @@
 
 #include <InputListener.h>
 #include <input/ISetInputWindowsListener.h>
+#include <unordered_map>
 
 namespace android {
 
@@ -99,13 +100,13 @@
      */
     virtual std::unique_ptr<VerifiedInputEvent> verifyInputEvent(const InputEvent& event) = 0;
 
-    /* Sets the list of input windows.
+    /* Sets the list of input windows per display.
      *
      * This method may be called on any thread (usually by the input manager).
      */
     virtual void setInputWindows(
-            const std::vector<sp<InputWindowHandle> >& inputWindowHandles, int32_t displayId,
-            const sp<ISetInputWindowsListener>& setInputWindowsListener = nullptr) = 0;
+            const std::unordered_map<int32_t, std::vector<sp<InputWindowHandle>>>&
+                    handlesPerDisplay) = 0;
 
     /* Sets the focused application on the given display.
      *
diff --git a/services/inputflinger/reader/mapper/TouchInputMapper.cpp b/services/inputflinger/reader/mapper/TouchInputMapper.cpp
index bbc8e53..99a572a 100644
--- a/services/inputflinger/reader/mapper/TouchInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/TouchInputMapper.cpp
@@ -160,8 +160,8 @@
       : InputMapper(deviceContext),
         mSource(0),
         mDeviceMode(DEVICE_MODE_DISABLED),
-        mSurfaceWidth(-1),
-        mSurfaceHeight(-1),
+        mRawSurfaceWidth(-1),
+        mRawSurfaceHeight(-1),
         mSurfaceLeft(0),
         mSurfaceTop(0),
         mPhysicalWidth(-1),
@@ -680,7 +680,7 @@
                     naturalLogicalHeight = mViewport.logicalRight - mViewport.logicalLeft;
                     naturalPhysicalWidth = mViewport.physicalBottom - mViewport.physicalTop;
                     naturalPhysicalHeight = mViewport.physicalRight - mViewport.physicalLeft;
-                    naturalPhysicalLeft = mViewport.deviceHeight - naturalPhysicalWidth;
+                    naturalPhysicalLeft = mViewport.deviceHeight - mViewport.physicalBottom;
                     naturalPhysicalTop = mViewport.physicalLeft;
                     naturalDeviceWidth = mViewport.deviceHeight;
                     naturalDeviceHeight = mViewport.deviceWidth;
@@ -701,7 +701,7 @@
                     naturalPhysicalWidth = mViewport.physicalBottom - mViewport.physicalTop;
                     naturalPhysicalHeight = mViewport.physicalRight - mViewport.physicalLeft;
                     naturalPhysicalLeft = mViewport.physicalTop;
-                    naturalPhysicalTop = mViewport.deviceWidth - naturalPhysicalHeight;
+                    naturalPhysicalTop = mViewport.deviceWidth - mViewport.physicalRight;
                     naturalDeviceWidth = mViewport.deviceHeight;
                     naturalDeviceHeight = mViewport.deviceWidth;
                     break;
@@ -729,10 +729,12 @@
             mPhysicalLeft = naturalPhysicalLeft;
             mPhysicalTop = naturalPhysicalTop;
 
-            mSurfaceWidth = naturalLogicalWidth * naturalDeviceWidth / naturalPhysicalWidth;
-            mSurfaceHeight = naturalLogicalHeight * naturalDeviceHeight / naturalPhysicalHeight;
+            mRawSurfaceWidth = naturalLogicalWidth * naturalDeviceWidth / naturalPhysicalWidth;
+            mRawSurfaceHeight = naturalLogicalHeight * naturalDeviceHeight / naturalPhysicalHeight;
             mSurfaceLeft = naturalPhysicalLeft * naturalLogicalWidth / naturalPhysicalWidth;
             mSurfaceTop = naturalPhysicalTop * naturalLogicalHeight / naturalPhysicalHeight;
+            mSurfaceRight = mSurfaceLeft + naturalLogicalWidth;
+            mSurfaceBottom = mSurfaceTop + naturalLogicalHeight;
 
             mSurfaceOrientation =
                     mParameters.orientationAware ? mViewport.orientation : DISPLAY_ORIENTATION_0;
@@ -742,8 +744,8 @@
             mPhysicalLeft = 0;
             mPhysicalTop = 0;
 
-            mSurfaceWidth = rawWidth;
-            mSurfaceHeight = rawHeight;
+            mRawSurfaceWidth = rawWidth;
+            mRawSurfaceHeight = rawHeight;
             mSurfaceLeft = 0;
             mSurfaceTop = 0;
             mSurfaceOrientation = DISPLAY_ORIENTATION_0;
@@ -769,12 +771,12 @@
     if (viewportChanged || deviceModeChanged) {
         ALOGI("Device reconfigured: id=%d, name='%s', size %dx%d, orientation %d, mode %d, "
               "display id %d",
-              getDeviceId(), getDeviceName().c_str(), mSurfaceWidth, mSurfaceHeight,
+              getDeviceId(), getDeviceName().c_str(), mRawSurfaceWidth, mRawSurfaceHeight,
               mSurfaceOrientation, mDeviceMode, mViewport.displayId);
 
         // Configure X and Y factors.
-        mXScale = float(mSurfaceWidth) / rawWidth;
-        mYScale = float(mSurfaceHeight) / rawHeight;
+        mXScale = float(mRawSurfaceWidth) / rawWidth;
+        mYScale = float(mRawSurfaceHeight) / rawHeight;
         mXTranslate = -mSurfaceLeft;
         mYTranslate = -mSurfaceTop;
         mXPrecision = 1.0f / mXScale;
@@ -793,7 +795,7 @@
         mGeometricScale = avg(mXScale, mYScale);
 
         // Size of diagonal axis.
-        float diagonalSize = hypotf(mSurfaceWidth, mSurfaceHeight);
+        float diagonalSize = hypotf(mRawSurfaceWidth, mRawSurfaceHeight);
 
         // Size factors.
         if (mCalibration.sizeCalibration != Calibration::SIZE_CALIBRATION_NONE) {
@@ -956,13 +958,13 @@
                 mOrientedYPrecision = mXPrecision;
 
                 mOrientedRanges.x.min = mYTranslate;
-                mOrientedRanges.x.max = mSurfaceHeight + mYTranslate - 1;
+                mOrientedRanges.x.max = mRawSurfaceHeight + mYTranslate - 1;
                 mOrientedRanges.x.flat = 0;
                 mOrientedRanges.x.fuzz = 0;
                 mOrientedRanges.x.resolution = mRawPointerAxes.y.resolution * mYScale;
 
                 mOrientedRanges.y.min = mXTranslate;
-                mOrientedRanges.y.max = mSurfaceWidth + mXTranslate - 1;
+                mOrientedRanges.y.max = mRawSurfaceWidth + mXTranslate - 1;
                 mOrientedRanges.y.flat = 0;
                 mOrientedRanges.y.fuzz = 0;
                 mOrientedRanges.y.resolution = mRawPointerAxes.x.resolution * mXScale;
@@ -973,13 +975,13 @@
                 mOrientedYPrecision = mYPrecision;
 
                 mOrientedRanges.x.min = mXTranslate;
-                mOrientedRanges.x.max = mSurfaceWidth + mXTranslate - 1;
+                mOrientedRanges.x.max = mRawSurfaceWidth + mXTranslate - 1;
                 mOrientedRanges.x.flat = 0;
                 mOrientedRanges.x.fuzz = 0;
                 mOrientedRanges.x.resolution = mRawPointerAxes.x.resolution * mXScale;
 
                 mOrientedRanges.y.min = mYTranslate;
-                mOrientedRanges.y.max = mSurfaceHeight + mYTranslate - 1;
+                mOrientedRanges.y.max = mRawSurfaceHeight + mYTranslate - 1;
                 mOrientedRanges.y.flat = 0;
                 mOrientedRanges.y.fuzz = 0;
                 mOrientedRanges.y.resolution = mRawPointerAxes.y.resolution * mYScale;
@@ -992,7 +994,7 @@
         if (mDeviceMode == DEVICE_MODE_POINTER) {
             // Compute pointer gesture detection parameters.
             float rawDiagonal = hypotf(rawWidth, rawHeight);
-            float displayDiagonal = hypotf(mSurfaceWidth, mSurfaceHeight);
+            float displayDiagonal = hypotf(mRawSurfaceWidth, mRawSurfaceHeight);
 
             // Scale movements such that one whole swipe of the touch pad covers a
             // given area relative to the diagonal size of the display when no acceleration
@@ -1027,10 +1029,12 @@
 
 void TouchInputMapper::dumpSurface(std::string& dump) {
     dump += StringPrintf(INDENT3 "%s\n", mViewport.toString().c_str());
-    dump += StringPrintf(INDENT3 "SurfaceWidth: %dpx\n", mSurfaceWidth);
-    dump += StringPrintf(INDENT3 "SurfaceHeight: %dpx\n", mSurfaceHeight);
+    dump += StringPrintf(INDENT3 "RawSurfaceWidth: %dpx\n", mRawSurfaceWidth);
+    dump += StringPrintf(INDENT3 "RawSurfaceHeight: %dpx\n", mRawSurfaceHeight);
     dump += StringPrintf(INDENT3 "SurfaceLeft: %d\n", mSurfaceLeft);
     dump += StringPrintf(INDENT3 "SurfaceTop: %d\n", mSurfaceTop);
+    dump += StringPrintf(INDENT3 "SurfaceRight: %d\n", mSurfaceRight);
+    dump += StringPrintf(INDENT3 "SurfaceBottom: %d\n", mSurfaceBottom);
     dump += StringPrintf(INDENT3 "PhysicalWidth: %dpx\n", mPhysicalWidth);
     dump += StringPrintf(INDENT3 "PhysicalHeight: %dpx\n", mPhysicalHeight);
     dump += StringPrintf(INDENT3 "PhysicalLeft: %d\n", mPhysicalLeft);
@@ -1074,16 +1078,16 @@
         int32_t halfHeight = virtualKeyDefinition.height / 2;
 
         virtualKey.hitLeft =
-                (virtualKeyDefinition.centerX - halfWidth) * touchScreenWidth / mSurfaceWidth +
+                (virtualKeyDefinition.centerX - halfWidth) * touchScreenWidth / mRawSurfaceWidth +
                 touchScreenLeft;
         virtualKey.hitRight =
-                (virtualKeyDefinition.centerX + halfWidth) * touchScreenWidth / mSurfaceWidth +
+                (virtualKeyDefinition.centerX + halfWidth) * touchScreenWidth / mRawSurfaceWidth +
                 touchScreenLeft;
-        virtualKey.hitTop =
-                (virtualKeyDefinition.centerY - halfHeight) * touchScreenHeight / mSurfaceHeight +
+        virtualKey.hitTop = (virtualKeyDefinition.centerY - halfHeight) * touchScreenHeight /
+                        mRawSurfaceHeight +
                 touchScreenTop;
-        virtualKey.hitBottom =
-                (virtualKeyDefinition.centerY + halfHeight) * touchScreenHeight / mSurfaceHeight +
+        virtualKey.hitBottom = (virtualKeyDefinition.centerY + halfHeight) * touchScreenHeight /
+                        mRawSurfaceHeight +
                 touchScreenTop;
         mVirtualKeys.push_back(virtualKey);
     }
@@ -2188,13 +2192,10 @@
         rotateAndScale(xTransformed, yTransformed);
 
         // Adjust X, Y, and coverage coords for surface orientation.
-        float x, y;
         float left, top, right, bottom;
 
         switch (mSurfaceOrientation) {
             case DISPLAY_ORIENTATION_90:
-                x = yTransformed + mYTranslate;
-                y = xTransformed + mXTranslate;
                 left = float(rawTop - mRawPointerAxes.y.minValue) * mYScale + mYTranslate;
                 right = float(rawBottom - mRawPointerAxes.y.minValue) * mYScale + mYTranslate;
                 bottom = float(mRawPointerAxes.x.maxValue - rawLeft) * mXScale + mXTranslate;
@@ -2207,8 +2208,6 @@
                 }
                 break;
             case DISPLAY_ORIENTATION_180:
-                x = xTransformed + mXTranslate;
-                y = yTransformed + mYTranslate;
                 left = float(mRawPointerAxes.x.maxValue - rawRight) * mXScale;
                 right = float(mRawPointerAxes.x.maxValue - rawLeft) * mXScale;
                 bottom = float(mRawPointerAxes.y.maxValue - rawTop) * mYScale + mYTranslate;
@@ -2221,8 +2220,6 @@
                 }
                 break;
             case DISPLAY_ORIENTATION_270:
-                x = yTransformed + mYTranslate;
-                y = xTransformed + mXTranslate;
                 left = float(mRawPointerAxes.y.maxValue - rawBottom) * mYScale;
                 right = float(mRawPointerAxes.y.maxValue - rawTop) * mYScale;
                 bottom = float(rawRight - mRawPointerAxes.x.minValue) * mXScale + mXTranslate;
@@ -2235,8 +2232,6 @@
                 }
                 break;
             default:
-                x = xTransformed + mXTranslate;
-                y = yTransformed + mYTranslate;
                 left = float(rawLeft - mRawPointerAxes.x.minValue) * mXScale + mXTranslate;
                 right = float(rawRight - mRawPointerAxes.x.minValue) * mXScale + mXTranslate;
                 bottom = float(rawBottom - mRawPointerAxes.y.minValue) * mYScale + mYTranslate;
@@ -2247,8 +2242,8 @@
         // Write output coords.
         PointerCoords& out = mCurrentCookedState.cookedPointerData.pointerCoords[i];
         out.clear();
-        out.setAxisValue(AMOTION_EVENT_AXIS_X, x);
-        out.setAxisValue(AMOTION_EVENT_AXIS_Y, y);
+        out.setAxisValue(AMOTION_EVENT_AXIS_X, xTransformed);
+        out.setAxisValue(AMOTION_EVENT_AXIS_Y, yTransformed);
         out.setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, pressure);
         out.setAxisValue(AMOTION_EVENT_AXIS_SIZE, size);
         out.setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR, touchMajor);
@@ -3624,34 +3619,47 @@
     abortTouches(when, 0 /* policyFlags*/);
 }
 
+// Transform raw coordinate to surface coordinate
 void TouchInputMapper::rotateAndScale(float& x, float& y) {
+    // Scale to surface coordinate.
+    const float xScaled = float(x - mRawPointerAxes.x.minValue) * mXScale;
+    const float yScaled = float(y - mRawPointerAxes.y.minValue) * mYScale;
+
+    // Rotate to surface coordinate.
+    // 0 - no swap and reverse.
+    // 90 - swap x/y and reverse y.
+    // 180 - reverse x, y.
+    // 270 - swap x/y and reverse x.
     switch (mSurfaceOrientation) {
+        case DISPLAY_ORIENTATION_0:
+            x = xScaled + mXTranslate;
+            y = yScaled + mYTranslate;
+            break;
         case DISPLAY_ORIENTATION_90:
-            x = float(mRawPointerAxes.x.maxValue - x) * mXScale;
-            y = float(y - mRawPointerAxes.y.minValue) * mYScale;
+            y = mSurfaceRight - xScaled;
+            x = yScaled + mYTranslate;
             break;
         case DISPLAY_ORIENTATION_180:
-            x = float(mRawPointerAxes.x.maxValue - x) * mXScale;
-            y = float(mRawPointerAxes.y.maxValue - y) * mYScale;
+            x = mSurfaceRight - xScaled;
+            y = mSurfaceBottom - yScaled;
             break;
         case DISPLAY_ORIENTATION_270:
-            x = float(x - mRawPointerAxes.x.minValue) * mXScale;
-            y = float(mRawPointerAxes.y.maxValue - y) * mYScale;
+            y = xScaled + mXTranslate;
+            x = mSurfaceBottom - yScaled;
             break;
         default:
-            x = float(x - mRawPointerAxes.x.minValue) * mXScale;
-            y = float(y - mRawPointerAxes.y.minValue) * mYScale;
-            break;
+            assert(false);
     }
 }
 
 bool TouchInputMapper::isPointInsideSurface(int32_t x, int32_t y) {
-    float xTransformed = x, yTransformed = y;
-    rotateAndScale(xTransformed, yTransformed);
+    const float xScaled = (x - mRawPointerAxes.x.minValue) * mXScale;
+    const float yScaled = (y - mRawPointerAxes.y.minValue) * mYScale;
+
     return x >= mRawPointerAxes.x.minValue && x <= mRawPointerAxes.x.maxValue &&
-            xTransformed >= mSurfaceLeft && xTransformed <= mSurfaceLeft + mSurfaceWidth &&
+            xScaled >= mSurfaceLeft && xScaled <= mSurfaceRight &&
             y >= mRawPointerAxes.y.minValue && y <= mRawPointerAxes.y.maxValue &&
-            yTransformed >= mSurfaceTop && yTransformed <= mSurfaceTop + mSurfaceHeight;
+            yScaled >= mSurfaceTop && yScaled <= mSurfaceBottom;
 }
 
 const TouchInputMapper::VirtualKey* TouchInputMapper::findVirtualKeyHit(int32_t x, int32_t y) {
diff --git a/services/inputflinger/reader/mapper/TouchInputMapper.h b/services/inputflinger/reader/mapper/TouchInputMapper.h
index e21a33a..58bfc5c 100644
--- a/services/inputflinger/reader/mapper/TouchInputMapper.h
+++ b/services/inputflinger/reader/mapper/TouchInputMapper.h
@@ -407,12 +407,16 @@
     // The surface orientation, width and height set by configureSurface().
     // The width and height are derived from the viewport but are specified
     // in the natural orientation.
+    // They could be used for calculating diagonal, scaling factors, and virtual keys.
+    int32_t mRawSurfaceWidth;
+    int32_t mRawSurfaceHeight;
+
     // The surface origin specifies how the surface coordinates should be translated
     // to align with the logical display coordinate space.
-    int32_t mSurfaceWidth;
-    int32_t mSurfaceHeight;
     int32_t mSurfaceLeft;
     int32_t mSurfaceTop;
+    int32_t mSurfaceRight;
+    int32_t mSurfaceBottom;
 
     // Similar to the surface coordinates, but in the raw display coordinate space rather than in
     // the logical coordinate space.
diff --git a/services/inputflinger/tests/InputClassifier_test.cpp b/services/inputflinger/tests/InputClassifier_test.cpp
index 40086ef..ab74a04 100644
--- a/services/inputflinger/tests/InputClassifier_test.cpp
+++ b/services/inputflinger/tests/InputClassifier_test.cpp
@@ -22,6 +22,9 @@
 #include <android/hardware/input/classifier/1.0/IInputClassifier.h>
 
 using namespace android::hardware::input;
+using android::hardware::Return;
+using android::hardware::Void;
+using android::hardware::input::common::V1_0::Classification;
 
 namespace android {
 
@@ -132,6 +135,49 @@
     ASSERT_EQ(args, outArgs);
 }
 
+TEST_F(InputClassifierTest, SetMotionClassifier_Enabled) {
+    mClassifier->setMotionClassifierEnabled(true);
+}
+
+TEST_F(InputClassifierTest, SetMotionClassifier_Disabled) {
+    mClassifier->setMotionClassifierEnabled(false);
+}
+
+/**
+ * Try to break it by calling setMotionClassifierEnabled multiple times.
+ */
+TEST_F(InputClassifierTest, SetMotionClassifier_Multiple) {
+    mClassifier->setMotionClassifierEnabled(true);
+    mClassifier->setMotionClassifierEnabled(true);
+    mClassifier->setMotionClassifierEnabled(true);
+    mClassifier->setMotionClassifierEnabled(false);
+    mClassifier->setMotionClassifierEnabled(false);
+    mClassifier->setMotionClassifierEnabled(true);
+    mClassifier->setMotionClassifierEnabled(true);
+    mClassifier->setMotionClassifierEnabled(true);
+}
+
+/**
+ * A minimal implementation of IInputClassifier.
+ */
+struct TestHal : public android::hardware::input::classifier::V1_0::IInputClassifier {
+    Return<Classification> classify(
+            const android::hardware::input::common::V1_0::MotionEvent& event) override {
+        return Classification::NONE;
+    };
+    Return<void> reset() override { return Void(); };
+    Return<void> resetDevice(int32_t deviceId) override { return Void(); };
+};
+
+/**
+ * An entity that will be subscribed to the HAL death.
+ */
+class TestDeathRecipient : public android::hardware::hidl_death_recipient {
+public:
+    virtual void serviceDied(uint64_t cookie,
+                             const wp<android::hidl::base::V1_0::IBase>& who) override{};
+};
+
 // --- MotionClassifierTest ---
 
 class MotionClassifierTest : public testing::Test {
@@ -139,7 +185,14 @@
     std::unique_ptr<MotionClassifierInterface> mMotionClassifier;
 
     virtual void SetUp() override {
-        mMotionClassifier = std::make_unique<MotionClassifier>();
+        mMotionClassifier = MotionClassifier::create(new TestDeathRecipient());
+        if (mMotionClassifier == nullptr) {
+            // If the device running this test does not have IInputClassifier service,
+            // use the test HAL instead.
+            // Using 'new' to access non-public constructor
+            mMotionClassifier =
+                    std::unique_ptr<MotionClassifier>(new MotionClassifier(new TestHal()));
+        }
     }
 };
 
diff --git a/services/inputflinger/tests/InputDispatcher_test.cpp b/services/inputflinger/tests/InputDispatcher_test.cpp
index 1f283b1..29f3dac 100644
--- a/services/inputflinger/tests/InputDispatcher_test.cpp
+++ b/services/inputflinger/tests/InputDispatcher_test.cpp
@@ -871,7 +871,7 @@
     sp<FakeWindowHandle> window = new FakeWindowHandle(application, mDispatcher, "Fake Window",
             ADISPLAY_ID_DEFAULT);
 
-    mDispatcher->setInputWindows({window}, ADISPLAY_ID_DEFAULT);
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
     ASSERT_EQ(INPUT_EVENT_INJECTION_SUCCEEDED, injectMotionDown(mDispatcher,
             AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT))
             << "Inject motion event should return INPUT_EVENT_INJECTION_SUCCEEDED";
@@ -888,7 +888,7 @@
     sp<FakeWindowHandle> windowSecond = new FakeWindowHandle(application, mDispatcher, "Second",
             ADISPLAY_ID_DEFAULT);
 
-    mDispatcher->setInputWindows({windowTop, windowSecond}, ADISPLAY_ID_DEFAULT);
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {windowTop, windowSecond}}});
     ASSERT_EQ(INPUT_EVENT_INJECTION_SUCCEEDED, injectMotionDown(mDispatcher,
             AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT))
             << "Inject motion event should return INPUT_EVENT_INJECTION_SUCCEEDED";
@@ -910,7 +910,7 @@
 
     // Display should have only one focused window
     windowSecond->setFocus(true);
-    mDispatcher->setInputWindows({windowTop, windowSecond}, ADISPLAY_ID_DEFAULT);
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {windowTop, windowSecond}}});
 
     windowSecond->consumeFocusEvent(true);
     ASSERT_EQ(INPUT_EVENT_INJECTION_SUCCEEDED, injectKeyDown(mDispatcher))
@@ -935,7 +935,7 @@
     windowTop->setFocus(true);
     windowSecond->setFocus(true);
 
-    mDispatcher->setInputWindows({windowTop, windowSecond}, ADISPLAY_ID_DEFAULT);
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {windowTop, windowSecond}}});
     windowTop->consumeFocusEvent(true);
     ASSERT_EQ(INPUT_EVENT_INJECTION_SUCCEEDED, injectKeyDown(mDispatcher))
             << "Inject key event should return INPUT_EVENT_INJECTION_SUCCEEDED";
@@ -960,7 +960,7 @@
     windowSecond->setFocus(true);
     // Release channel for window is no longer valid.
     windowTop->releaseChannel();
-    mDispatcher->setInputWindows({windowTop, windowSecond}, ADISPLAY_ID_DEFAULT);
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {windowTop, windowSecond}}});
     windowSecond->consumeFocusEvent(true);
 
     // Test inject a key down, should dispatch to a valid window.
@@ -986,7 +986,7 @@
 
     mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
 
-    mDispatcher->setInputWindows({windowLeft, windowRight}, ADISPLAY_ID_DEFAULT);
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {windowLeft, windowRight}}});
 
     // Inject an event with coordinate in the area of right window, with mouse cursor in the area of
     // left window. This event should be dispatched to the left window.
@@ -1003,7 +1003,7 @@
             new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
     window->setFocus(true);
 
-    mDispatcher->setInputWindows({window}, ADISPLAY_ID_DEFAULT);
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
     window->consumeFocusEvent(true);
 
     NotifyKeyArgs keyArgs = generateKeyArgs(AKEY_EVENT_ACTION_DOWN, ADISPLAY_ID_DEFAULT);
@@ -1025,7 +1025,7 @@
     sp<FakeWindowHandle> window =
             new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
 
-    mDispatcher->setInputWindows({window}, ADISPLAY_ID_DEFAULT);
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
 
     NotifyMotionArgs motionArgs =
             generateMotionArgs(AMOTION_EVENT_ACTION_DOWN, AINPUT_SOURCE_TOUCHSCREEN,
@@ -1053,7 +1053,7 @@
             "Second Window", ADISPLAY_ID_DEFAULT);
 
     // Add the windows to the dispatcher
-    mDispatcher->setInputWindows({firstWindow, secondWindow}, ADISPLAY_ID_DEFAULT);
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {firstWindow, secondWindow}}});
 
     // Send down to the first window
     NotifyMotionArgs downMotionArgs = generateMotionArgs(AMOTION_EVENT_ACTION_DOWN,
@@ -1090,7 +1090,7 @@
             "Second Window", ADISPLAY_ID_DEFAULT);
 
     // Add the windows to the dispatcher
-    mDispatcher->setInputWindows({firstWindow, secondWindow}, ADISPLAY_ID_DEFAULT);
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {firstWindow, secondWindow}}});
 
     // Send down to the first window
     NotifyMotionArgs downMotionArgs = generateMotionArgs(AMOTION_EVENT_ACTION_DOWN,
@@ -1152,7 +1152,7 @@
             | InputWindowInfo::FLAG_SPLIT_TOUCH);
 
     // Add the windows to the dispatcher
-    mDispatcher->setInputWindows({firstWindow, secondWindow}, ADISPLAY_ID_DEFAULT);
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {firstWindow, secondWindow}}});
 
     PointF pointInFirst = {300, 200};
     PointF pointInSecond = {300, 600};
@@ -1204,7 +1204,7 @@
             new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
 
     window->setFocus(true);
-    mDispatcher->setInputWindows({window}, ADISPLAY_ID_DEFAULT);
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
 
     window->consumeFocusEvent(true);
 
@@ -1220,7 +1220,7 @@
     sp<FakeWindowHandle> window =
             new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
 
-    mDispatcher->setInputWindows({window}, ADISPLAY_ID_DEFAULT);
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
 
     NotifyKeyArgs keyArgs = generateKeyArgs(AKEY_EVENT_ACTION_DOWN, ADISPLAY_ID_DEFAULT);
     mDispatcher->notifyKey(&keyArgs);
@@ -1235,7 +1235,7 @@
     sp<FakeWindowHandle> window =
             new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
 
-    mDispatcher->setInputWindows({window}, ADISPLAY_ID_DEFAULT);
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
 
     // Send key
     NotifyKeyArgs keyArgs = generateKeyArgs(AKEY_EVENT_ACTION_DOWN, ADISPLAY_ID_DEFAULT);
@@ -1289,7 +1289,7 @@
     sp<FakeApplicationHandle> application = new FakeApplicationHandle();
     sp<FakeWindowHandle> window =
             new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
-    mDispatcher->setInputWindows({window}, ADISPLAY_ID_DEFAULT);
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
 
     FakeMonitorReceiver monitor = FakeMonitorReceiver(mDispatcher, "GM_1", ADISPLAY_ID_DEFAULT,
                                                       true /*isGestureMonitor*/);
@@ -1309,7 +1309,7 @@
     mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
     window->setFocus(true);
 
-    mDispatcher->setInputWindows({window}, ADISPLAY_ID_DEFAULT);
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
     window->consumeFocusEvent(true);
 
     FakeMonitorReceiver monitor = FakeMonitorReceiver(mDispatcher, "GM_1", ADISPLAY_ID_DEFAULT,
@@ -1325,7 +1325,7 @@
     sp<FakeApplicationHandle> application = new FakeApplicationHandle();
     sp<FakeWindowHandle> window =
             new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
-    mDispatcher->setInputWindows({window}, ADISPLAY_ID_DEFAULT);
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
 
     FakeMonitorReceiver monitor = FakeMonitorReceiver(mDispatcher, "GM_1", ADISPLAY_ID_DEFAULT,
                                                       true /*isGestureMonitor*/);
@@ -1351,7 +1351,7 @@
     sp<FakeWindowHandle> window =
             new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
 
-    mDispatcher->setInputWindows({window}, ADISPLAY_ID_DEFAULT);
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
 
     NotifyMotionArgs motionArgs =
             generateMotionArgs(AMOTION_EVENT_ACTION_DOWN, AINPUT_SOURCE_TOUCHSCREEN,
@@ -1387,29 +1387,29 @@
     window->setFocus(true);
 
     SCOPED_TRACE("Check default value of touch mode");
-    mDispatcher->setInputWindows({window}, ADISPLAY_ID_DEFAULT);
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
     window->consumeFocusEvent(true /*hasFocus*/, true /*inTouchMode*/);
 
     SCOPED_TRACE("Remove the window to trigger focus loss");
     window->setFocus(false);
-    mDispatcher->setInputWindows({window}, ADISPLAY_ID_DEFAULT);
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
     window->consumeFocusEvent(false /*hasFocus*/, true /*inTouchMode*/);
 
     SCOPED_TRACE("Disable touch mode");
     mDispatcher->setInTouchMode(false);
     window->setFocus(true);
-    mDispatcher->setInputWindows({window}, ADISPLAY_ID_DEFAULT);
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
     window->consumeFocusEvent(true /*hasFocus*/, false /*inTouchMode*/);
 
     SCOPED_TRACE("Remove the window to trigger focus loss");
     window->setFocus(false);
-    mDispatcher->setInputWindows({window}, ADISPLAY_ID_DEFAULT);
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
     window->consumeFocusEvent(false /*hasFocus*/, false /*inTouchMode*/);
 
     SCOPED_TRACE("Enable touch mode again");
     mDispatcher->setInTouchMode(true);
     window->setFocus(true);
-    mDispatcher->setInputWindows({window}, ADISPLAY_ID_DEFAULT);
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
     window->consumeFocusEvent(true /*hasFocus*/, true /*inTouchMode*/);
 
     window->assertNoEvents();
@@ -1423,7 +1423,7 @@
     mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
     window->setFocus(true);
 
-    mDispatcher->setInputWindows({window}, ADISPLAY_ID_DEFAULT);
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
     window->consumeFocusEvent(true /*hasFocus*/, true /*inTouchMode*/);
 
     NotifyKeyArgs keyArgs = generateKeyArgs(AKEY_EVENT_ACTION_DOWN);
@@ -1459,7 +1459,7 @@
 
     mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application);
 
-    mDispatcher->setInputWindows({window}, ADISPLAY_ID_DEFAULT);
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
 
     NotifyMotionArgs motionArgs =
             generateMotionArgs(AMOTION_EVENT_ACTION_DOWN, AINPUT_SOURCE_TOUCHSCREEN,
@@ -1512,7 +1512,7 @@
         mWindow = new FakeWindowHandle(mApp, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
 
         mWindow->setFocus(true);
-        mDispatcher->setInputWindows({mWindow}, ADISPLAY_ID_DEFAULT);
+        mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {mWindow}}});
 
         mWindow->consumeFocusEvent(true);
     }
@@ -1602,7 +1602,7 @@
         // Set focus window for primary display, but focused display would be second one.
         mDispatcher->setFocusedApplication(ADISPLAY_ID_DEFAULT, application1);
         windowInPrimary->setFocus(true);
-        mDispatcher->setInputWindows({windowInPrimary}, ADISPLAY_ID_DEFAULT);
+        mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {windowInPrimary}}});
         windowInPrimary->consumeFocusEvent(true);
 
         application2 = new FakeApplicationHandle();
@@ -1614,7 +1614,7 @@
         // Set focus window for second display.
         mDispatcher->setFocusedApplication(SECOND_DISPLAY_ID, application2);
         windowInSecondary->setFocus(true);
-        mDispatcher->setInputWindows({windowInSecondary}, SECOND_DISPLAY_ID);
+        mDispatcher->setInputWindows({{SECOND_DISPLAY_ID, {windowInSecondary}}});
         windowInSecondary->consumeFocusEvent(true);
     }
 
@@ -1664,7 +1664,7 @@
     windowInSecondary->consumeKeyDown(ADISPLAY_ID_NONE);
 
     // Remove all windows in secondary display.
-    mDispatcher->setInputWindows({}, SECOND_DISPLAY_ID);
+    mDispatcher->setInputWindows({{SECOND_DISPLAY_ID, {}}});
 
     // Expect old focus should receive a cancel event.
     windowInSecondary->consumeEvent(AINPUT_EVENT_TYPE_KEY, AKEY_EVENT_ACTION_UP, ADISPLAY_ID_NONE,
@@ -1828,7 +1828,7 @@
         mFocusedWindow->setFocus(true);
 
         // Expect one focus window exist in display.
-        mDispatcher->setInputWindows({mUnfocusedWindow, mFocusedWindow}, ADISPLAY_ID_DEFAULT);
+        mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {mUnfocusedWindow, mFocusedWindow}}});
         mFocusedWindow->consumeFocusEvent(true);
     }
 
@@ -1916,7 +1916,7 @@
         mWindow2->setId(1);
         mWindow2->setFrame(Rect(100, 100, 200, 200));
 
-        mDispatcher->setInputWindows({mWindow1, mWindow2}, ADISPLAY_ID_DEFAULT);
+        mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {mWindow1, mWindow2}}});
     }
 
 protected:
diff --git a/services/inputflinger/tests/InputReader_test.cpp b/services/inputflinger/tests/InputReader_test.cpp
index 618aefc..96d86b6 100644
--- a/services/inputflinger/tests/InputReader_test.cpp
+++ b/services/inputflinger/tests/InputReader_test.cpp
@@ -6990,51 +6990,7 @@
     ASSERT_EQ(SECONDARY_DISPLAY_ID, args.displayId);
 }
 
-/**
- * Test touch should not work if outside of surface.
- */
-TEST_F(MultiTouchInputMapperTest, Viewports_SurfaceRange) {
-    addConfigurationProperty("touch.deviceType", "touchScreen");
-    prepareDisplay(DISPLAY_ORIENTATION_0);
-    prepareAxes(POSITION);
-    MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
 
-    // Touch on left-top area should work.
-    int32_t rawX = DISPLAY_WIDTH / 2 - 1;
-    int32_t rawY = DISPLAY_HEIGHT / 2 - 1;
-    processPosition(mapper, rawX, rawY);
-    processSync(mapper);
-
-    NotifyMotionArgs args;
-    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&args));
-
-    // Reset.
-    mapper.reset(ARBITRARY_TIME);
-
-    // Let logical display be different to physical display and rotate 90-degrees.
-    std::optional<DisplayViewport> internalViewport =
-            mFakePolicy->getDisplayViewportByType(ViewportType::VIEWPORT_INTERNAL);
-    internalViewport->orientation = DISPLAY_ORIENTATION_90;
-    internalViewport->logicalLeft = 0;
-    internalViewport->logicalTop = 0;
-    internalViewport->logicalRight = DISPLAY_HEIGHT;
-    internalViewport->logicalBottom = DISPLAY_WIDTH / 2;
-
-    internalViewport->physicalLeft = DISPLAY_HEIGHT;
-    internalViewport->physicalTop = DISPLAY_WIDTH / 2;
-    internalViewport->physicalRight = DISPLAY_HEIGHT;
-    internalViewport->physicalBottom = DISPLAY_WIDTH;
-
-    internalViewport->deviceWidth = DISPLAY_HEIGHT;
-    internalViewport->deviceHeight = DISPLAY_WIDTH;
-    mFakePolicy->updateViewport(internalViewport.value());
-    configureDevice(InputReaderConfiguration::CHANGE_DISPLAY_INFO);
-
-    // Display align to right-top after rotate 90-degrees, touch on left-top area should not work.
-    processPosition(mapper, rawX, rawY);
-    processSync(mapper);
-    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasNotCalled());
-}
 
 TEST_F(MultiTouchInputMapperTest, Process_ShouldHandleSingleTouch) {
     addConfigurationProperty("touch.deviceType", "touchScreen");
@@ -7161,4 +7117,130 @@
     ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
     ASSERT_EQ(SECONDARY_DISPLAY_ID, motionArgs.displayId);
 }
+
+/**
+ * Test touch should not work if outside of surface.
+ */
+class MultiTouchInputMapperTest_SurfaceRange : public MultiTouchInputMapperTest {
+protected:
+    void halfDisplayToCenterHorizontal(int32_t orientation) {
+        std::optional<DisplayViewport> internalViewport =
+                mFakePolicy->getDisplayViewportByType(ViewportType::VIEWPORT_INTERNAL);
+
+        // Half display to (width/4, 0, width * 3/4, height) to make display has offset.
+        internalViewport->orientation = orientation;
+        if (orientation == DISPLAY_ORIENTATION_90 || orientation == DISPLAY_ORIENTATION_270) {
+            internalViewport->logicalLeft = 0;
+            internalViewport->logicalTop = 0;
+            internalViewport->logicalRight = DISPLAY_HEIGHT;
+            internalViewport->logicalBottom = DISPLAY_WIDTH / 2;
+
+            internalViewport->physicalLeft = 0;
+            internalViewport->physicalTop = DISPLAY_WIDTH / 4;
+            internalViewport->physicalRight = DISPLAY_HEIGHT;
+            internalViewport->physicalBottom = DISPLAY_WIDTH * 3 / 4;
+
+            internalViewport->deviceWidth = DISPLAY_HEIGHT;
+            internalViewport->deviceHeight = DISPLAY_WIDTH;
+        } else {
+            internalViewport->logicalLeft = 0;
+            internalViewport->logicalTop = 0;
+            internalViewport->logicalRight = DISPLAY_WIDTH / 2;
+            internalViewport->logicalBottom = DISPLAY_HEIGHT;
+
+            internalViewport->physicalLeft = DISPLAY_WIDTH / 4;
+            internalViewport->physicalTop = 0;
+            internalViewport->physicalRight = DISPLAY_WIDTH * 3 / 4;
+            internalViewport->physicalBottom = DISPLAY_HEIGHT;
+
+            internalViewport->deviceWidth = DISPLAY_WIDTH;
+            internalViewport->deviceHeight = DISPLAY_HEIGHT;
+        }
+
+        mFakePolicy->updateViewport(internalViewport.value());
+        configureDevice(InputReaderConfiguration::CHANGE_DISPLAY_INFO);
+    }
+
+    void processPositionAndVerify(MultiTouchInputMapper& mapper, int32_t xInside, int32_t yInside,
+                                  int32_t xOutside, int32_t yOutside, int32_t xExpected,
+                                  int32_t yExpected) {
+        // touch on outside area should not work.
+        processPosition(mapper, toRawX(xOutside), toRawY(yOutside));
+        processSync(mapper);
+        ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasNotCalled());
+
+        // touch on inside area should receive the event.
+        NotifyMotionArgs args;
+        processPosition(mapper, toRawX(xInside), toRawY(yInside));
+        processSync(mapper);
+        ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&args));
+        ASSERT_NEAR(xExpected, args.pointerCoords[0].getAxisValue(AMOTION_EVENT_AXIS_X), 1);
+        ASSERT_NEAR(yExpected, args.pointerCoords[0].getAxisValue(AMOTION_EVENT_AXIS_Y), 1);
+
+        // Reset.
+        mapper.reset(ARBITRARY_TIME);
+    }
+};
+
+TEST_F(MultiTouchInputMapperTest_SurfaceRange, Viewports_SurfaceRange) {
+    addConfigurationProperty("touch.deviceType", "touchScreen");
+    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareAxes(POSITION);
+    MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
+
+    // Touch on center of normal display should work.
+    const int32_t x = DISPLAY_WIDTH / 4;
+    const int32_t y = DISPLAY_HEIGHT / 2;
+    processPosition(mapper, toRawX(x), toRawY(y));
+    processSync(mapper);
+    NotifyMotionArgs args;
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&args));
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(args.pointerCoords[0], x, y, 1.0f, 0.0f, 0.0f, 0.0f,
+                                                0.0f, 0.0f, 0.0f, 0.0f));
+    // Reset.
+    mapper.reset(ARBITRARY_TIME);
+
+    // Let physical display be different to device, and make surface and physical could be 1:1.
+    halfDisplayToCenterHorizontal(DISPLAY_ORIENTATION_0);
+
+    const int32_t xExpected = (x + 1) - (DISPLAY_WIDTH / 4);
+    const int32_t yExpected = y;
+    processPositionAndVerify(mapper, x - 1, y, x + 1, y, xExpected, yExpected);
+}
+
+TEST_F(MultiTouchInputMapperTest_SurfaceRange, Viewports_SurfaceRange_90) {
+    addConfigurationProperty("touch.deviceType", "touchScreen");
+    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareAxes(POSITION);
+    MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
+
+    // Half display to (width/4, 0, width * 3/4, height) and rotate 90-degrees.
+    halfDisplayToCenterHorizontal(DISPLAY_ORIENTATION_90);
+
+    const int32_t x = DISPLAY_WIDTH / 4;
+    const int32_t y = DISPLAY_HEIGHT / 2;
+
+    // expect x/y = swap x/y then reverse y.
+    const int32_t xExpected = y;
+    const int32_t yExpected = (DISPLAY_WIDTH * 3 / 4) - (x + 1);
+    processPositionAndVerify(mapper, x - 1, y, x + 1, y, xExpected, yExpected);
+}
+
+TEST_F(MultiTouchInputMapperTest_SurfaceRange, Viewports_SurfaceRange_270) {
+    addConfigurationProperty("touch.deviceType", "touchScreen");
+    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareAxes(POSITION);
+    MultiTouchInputMapper& mapper = addMapperAndConfigure<MultiTouchInputMapper>();
+
+    // Half display to (width/4, 0, width * 3/4, height) and rotate 270-degrees.
+    halfDisplayToCenterHorizontal(DISPLAY_ORIENTATION_270);
+
+    const int32_t x = DISPLAY_WIDTH / 4;
+    const int32_t y = DISPLAY_HEIGHT / 2;
+
+    // expect x/y = swap x/y then reverse x.
+    constexpr int32_t xExpected = DISPLAY_HEIGHT - y;
+    constexpr int32_t yExpected = (x + 1) - DISPLAY_WIDTH / 4;
+    processPositionAndVerify(mapper, x - 1, y, x + 1, y, xExpected, yExpected);
+}
 } // namespace android
diff --git a/services/sensorservice/SensorEventConnection.cpp b/services/sensorservice/SensorEventConnection.cpp
index 9a13c00..77d8c11 100644
--- a/services/sensorservice/SensorEventConnection.cpp
+++ b/services/sensorservice/SensorEventConnection.cpp
@@ -14,6 +14,7 @@
  * limitations under the License.
  */
 
+#include <cinttypes>
 #include <sys/socket.h>
 #include <utils/threads.h>
 
@@ -69,17 +70,17 @@
 }
 
 bool SensorService::SensorEventConnection::needsWakeLock() {
-    Mutex::Autolock _l(mConnectionLock);
+    std::lock_guard<std::recursive_mutex> _l(mConnectionLock);
     return !mDead && mWakeLockRefCount > 0;
 }
 
 void SensorService::SensorEventConnection::resetWakeLockRefCount() {
-    Mutex::Autolock _l(mConnectionLock);
+    std::lock_guard<std::recursive_mutex> _l(mConnectionLock);
     mWakeLockRefCount = 0;
 }
 
 void SensorService::SensorEventConnection::dump(String8& result) {
-    Mutex::Autolock _l(mConnectionLock);
+    std::lock_guard<std::recursive_mutex> _l(mConnectionLock);
     result.appendFormat("\tOperating Mode: ");
     if (!mService->isWhiteListedPackage(getPackageName())) {
         result.append("RESTRICTED\n");
@@ -91,11 +92,11 @@
     result.appendFormat("\t %s | WakeLockRefCount %d | uid %d | cache size %d | "
             "max cache size %d\n", mPackageName.string(), mWakeLockRefCount, mUid, mCacheSize,
             mMaxCacheSize);
-    for (size_t i = 0; i < mSensorInfo.size(); ++i) {
-        const FlushInfo& flushInfo = mSensorInfo.valueAt(i);
+    for (auto& it : mSensorInfo) {
+        const FlushInfo& flushInfo = it.second.flushInfo;
         result.appendFormat("\t %s 0x%08x | status: %s | pending flush events %d \n",
-                            mService->getSensorName(mSensorInfo.keyAt(i)).string(),
-                            mSensorInfo.keyAt(i),
+                            mService->getSensorName(it.first).string(),
+                            it.first,
                             flushInfo.mFirstFlushPending ? "First flush pending" :
                                                            "active",
                             flushInfo.mPendingFlushEventsToSend);
@@ -121,7 +122,7 @@
  */
 void SensorService::SensorEventConnection::dump(util::ProtoOutputStream* proto) const {
     using namespace service::SensorEventConnectionProto;
-    Mutex::Autolock _l(mConnectionLock);
+    std::lock_guard<std::recursive_mutex> _l(mConnectionLock);
 
     if (!mService->isWhiteListedPackage(getPackageName())) {
         proto->write(OPERATING_MODE, OP_MODE_RESTRICTED);
@@ -135,12 +136,12 @@
     proto->write(UID, int32_t(mUid));
     proto->write(CACHE_SIZE, int32_t(mCacheSize));
     proto->write(MAX_CACHE_SIZE, int32_t(mMaxCacheSize));
-    for (size_t i = 0; i < mSensorInfo.size(); ++i) {
-        const FlushInfo& flushInfo = mSensorInfo.valueAt(i);
+    for (auto& it : mSensorInfo) {
+        const FlushInfo& flushInfo = it.second.flushInfo;
         const uint64_t token = proto->start(FLUSH_INFOS);
         proto->write(FlushInfoProto::SENSOR_NAME,
-                std::string(mService->getSensorName(mSensorInfo.keyAt(i))));
-        proto->write(FlushInfoProto::SENSOR_HANDLE, mSensorInfo.keyAt(i));
+                std::string(mService->getSensorName(it.first)));
+        proto->write(FlushInfoProto::SENSOR_HANDLE, it.first);
         proto->write(FlushInfoProto::FIRST_FLUSH_PENDING, flushInfo.mFirstFlushPending);
         proto->write(FlushInfoProto::PENDING_FLUSH_EVENTS_TO_SEND,
                 flushInfo.mPendingFlushEventsToSend);
@@ -157,40 +158,54 @@
 #endif
 }
 
-bool SensorService::SensorEventConnection::addSensor(int32_t handle) {
-    Mutex::Autolock _l(mConnectionLock);
+bool SensorService::SensorEventConnection::addSensor(
+    int32_t handle, nsecs_t samplingPeriodNs, nsecs_t maxBatchReportLatencyNs, int reservedFlags) {
+    std::lock_guard<std::recursive_mutex> _l(mConnectionLock);
     sp<SensorInterface> si = mService->getSensorInterfaceFromHandle(handle);
     if (si == nullptr ||
         !canAccessSensor(si->getSensor(), "Tried adding", mOpPackageName) ||
-        mSensorInfo.indexOfKey(handle) >= 0) {
+        mSensorInfo.count(handle) > 0) {
         return false;
     }
-    mSensorInfo.add(handle, FlushInfo());
+
+    SensorRequest request = {
+      .samplingPeriodNs = samplingPeriodNs,
+      .maxBatchReportLatencyNs = maxBatchReportLatencyNs,
+      .reservedFlags = reservedFlags
+    };
+
+    mSensorInfo[handle] = request;
     return true;
 }
 
 bool SensorService::SensorEventConnection::removeSensor(int32_t handle) {
-    Mutex::Autolock _l(mConnectionLock);
-    if (mSensorInfo.removeItem(handle) >= 0) {
-        return true;
+    std::lock_guard<std::recursive_mutex> _l(mConnectionLock);
+    return mSensorInfo.erase(handle) > 0;
+}
+
+std::vector<int32_t> SensorService::SensorEventConnection::getActiveSensorHandles() const {
+    std::lock_guard<std::recursive_mutex> _l(mConnectionLock);
+    std::vector<int32_t> list;
+    for (auto& it : mSensorInfo) {
+        list.push_back(it.first);
     }
-    return false;
+    return list;
 }
 
 bool SensorService::SensorEventConnection::hasSensor(int32_t handle) const {
-    Mutex::Autolock _l(mConnectionLock);
-    return mSensorInfo.indexOfKey(handle) >= 0;
+    std::lock_guard<std::recursive_mutex> _l(mConnectionLock);
+    return mSensorInfo.count(handle) + mSensorInfoBackup.count(handle) > 0;
 }
 
 bool SensorService::SensorEventConnection::hasAnySensor() const {
-    Mutex::Autolock _l(mConnectionLock);
-    return mSensorInfo.size() ? true : false;
+    std::lock_guard<std::recursive_mutex> _l(mConnectionLock);
+    return mSensorInfo.size() + mSensorInfoBackup.size() ? true : false;
 }
 
 bool SensorService::SensorEventConnection::hasOneShotSensors() const {
-    Mutex::Autolock _l(mConnectionLock);
-    for (size_t i = 0; i < mSensorInfo.size(); ++i) {
-        const int handle = mSensorInfo.keyAt(i);
+    std::lock_guard<std::recursive_mutex> _l(mConnectionLock);
+    for (auto &it : mSensorInfo) {
+        const int handle = it.first;
         sp<SensorInterface> si = mService->getSensorInterfaceFromHandle(handle);
         if (si != nullptr && si->getSensor().getReportingMode() == AREPORTING_MODE_ONE_SHOT) {
             return true;
@@ -205,16 +220,15 @@
 
 void SensorService::SensorEventConnection::setFirstFlushPending(int32_t handle,
                                 bool value) {
-    Mutex::Autolock _l(mConnectionLock);
-    ssize_t index = mSensorInfo.indexOfKey(handle);
-    if (index >= 0) {
-        FlushInfo& flushInfo = mSensorInfo.editValueAt(index);
+    std::lock_guard<std::recursive_mutex> _l(mConnectionLock);
+    if (mSensorInfo.count(handle) > 0) {
+        FlushInfo& flushInfo = mSensorInfo[handle].flushInfo;
         flushInfo.mFirstFlushPending = value;
     }
 }
 
 void SensorService::SensorEventConnection::updateLooperRegistration(const sp<Looper>& looper) {
-    Mutex::Autolock _l(mConnectionLock);
+    std::lock_guard<std::recursive_mutex> _l(mConnectionLock);
     updateLooperRegistrationLocked(looper);
 }
 
@@ -233,8 +247,8 @@
     int looper_flags = 0;
     if (mCacheSize > 0) looper_flags |= ALOOPER_EVENT_OUTPUT;
     if (mDataInjectionMode) looper_flags |= ALOOPER_EVENT_INPUT;
-    for (size_t i = 0; i < mSensorInfo.size(); ++i) {
-        const int handle = mSensorInfo.keyAt(i);
+    for (auto& it : mSensorInfo) {
+        const int handle = it.first;
         sp<SensorInterface> si = mService->getSensorInterfaceFromHandle(handle);
         if (si != nullptr && si->getSensor().isWakeUpSensor()) {
             looper_flags |= ALOOPER_EVENT_INPUT;
@@ -265,10 +279,9 @@
 }
 
 void SensorService::SensorEventConnection::incrementPendingFlushCount(int32_t handle) {
-    Mutex::Autolock _l(mConnectionLock);
-    ssize_t index = mSensorInfo.indexOfKey(handle);
-    if (index >= 0) {
-        FlushInfo& flushInfo = mSensorInfo.editValueAt(index);
+    std::lock_guard<std::recursive_mutex> _l(mConnectionLock);
+    if (mSensorInfo.count(handle) > 0) {
+        FlushInfo& flushInfo = mSensorInfo[handle].flushInfo;
         flushInfo.mPendingFlushEventsToSend++;
     }
 }
@@ -282,7 +295,7 @@
     std::unique_ptr<sensors_event_t[]> sanitizedBuffer;
 
     int count = 0;
-    Mutex::Autolock _l(mConnectionLock);
+    std::lock_guard<std::recursive_mutex> _l(mConnectionLock);
     if (scratch) {
         size_t i=0;
         while (i<numEvents) {
@@ -296,15 +309,14 @@
                 sensor_handle = buffer[i].meta_data.sensor;
             }
 
-            ssize_t index = mSensorInfo.indexOfKey(sensor_handle);
             // Check if this connection has registered for this sensor. If not continue to the
             // next sensor_event.
-            if (index < 0) {
+            if (mSensorInfo.count(sensor_handle) == 0) {
                 ++i;
                 continue;
             }
 
-            FlushInfo& flushInfo = mSensorInfo.editValueAt(index);
+            FlushInfo& flushInfo = mSensorInfo[sensor_handle].flushInfo;
             // Check if there is a pending flush_complete event for this sensor on this connection.
             if (buffer[i].type == SENSOR_TYPE_META_DATA && flushInfo.mFirstFlushPending == true &&
                     mapFlushEventsToConnections[i] == this) {
@@ -425,9 +437,55 @@
     return size < 0 ? status_t(size) : status_t(NO_ERROR);
 }
 
+void SensorService::SensorEventConnection::updateSensorSubscriptions() {
+    if (!hasSensorAccess()) {
+        stopAll();
+    } else {
+        recoverAll();
+    }
+}
+
 void SensorService::SensorEventConnection::setSensorAccess(const bool hasAccess) {
-    Mutex::Autolock _l(mConnectionLock);
-    mHasSensorAccess = hasAccess;
+    if (mHasSensorAccess != hasAccess) {
+        mHasSensorAccess = hasAccess;
+        updateSensorSubscriptions();
+    }
+}
+
+void SensorService::SensorEventConnection::stopAll() {
+    std::lock_guard<std::recursive_mutex> _l(mConnectionLock);
+    if (!mSensorInfo.empty()) {
+        mSensorInfoBackup = mSensorInfo;
+        mSensorInfo.clear();
+
+        for (auto& it : mSensorInfoBackup) {
+            int32_t handle = it.first;
+
+            status_t err =  mService->disable(this, handle);
+
+            if (err != NO_ERROR) {
+                ALOGE("Error disabling sensor %d", handle);
+            }
+        }
+    }
+}
+
+void SensorService::SensorEventConnection::recoverAll() {
+    std::lock_guard<std::recursive_mutex> _l(mConnectionLock);
+    for (auto& it : mSensorInfoBackup) {
+        int32_t handle = it.first;
+        SensorRequest &request = it.second;
+
+        status_t err =  mService->enable(
+            this, handle, request.samplingPeriodNs, request.maxBatchReportLatencyNs,
+            request.reservedFlags, mOpPackageName);
+
+        if (err != NO_ERROR) {
+            ALOGE("Error recovering sensor %d", handle);
+        }
+    }
+
+    mSensorInfoBackup.clear();
 }
 
 bool SensorService::SensorEventConnection::hasSensorAccess() {
@@ -522,14 +580,14 @@
     flushCompleteEvent.type = SENSOR_TYPE_META_DATA;
     // Loop through all the sensors for this connection and check if there are any pending
     // flush complete events to be sent.
-    for (size_t i = 0; i < mSensorInfo.size(); ++i) {
-        const int handle = mSensorInfo.keyAt(i);
+    for (auto& it : mSensorInfo) {
+        const int handle = it.first;
         sp<SensorInterface> si = mService->getSensorInterfaceFromHandle(handle);
         if (si == nullptr) {
             continue;
         }
 
-        FlushInfo& flushInfo = mSensorInfo.editValueAt(i);
+        FlushInfo& flushInfo = it.second.flushInfo;
         while (flushInfo.mPendingFlushEventsToSend > 0) {
             flushCompleteEvent.meta_data.sensor = handle;
             bool wakeUpSensor = si->getSensor().isWakeUpSensor();
@@ -554,7 +612,7 @@
     // half the size of the socket buffer allocated in BitTube whichever is smaller.
     const int maxWriteSize = helpers::min(SensorEventQueue::MAX_RECEIVE_BUFFER_EVENT_COUNT/2,
             int(mService->mSocketBufferSize/(sizeof(sensors_event_t)*2)));
-    Mutex::Autolock _l(mConnectionLock);
+    std::lock_guard<std::recursive_mutex> _l(mConnectionLock);
     // Send pending flush complete events (if any)
     sendPendingFlushEventsLocked();
     for (int numEventsSent = 0; numEventsSent < mCacheSize;) {
@@ -615,14 +673,13 @@
     // separately before the next batch of events.
     for (int j = 0; j < numEventsDropped; ++j) {
         if (scratch[j].type == SENSOR_TYPE_META_DATA) {
-            ssize_t index = mSensorInfo.indexOfKey(scratch[j].meta_data.sensor);
-            if (index < 0) {
+            if (mSensorInfo.count(scratch[j].meta_data.sensor) == 0) {
                 ALOGW("%s: sensor 0x%x is not found in connection",
                       __func__, scratch[j].meta_data.sensor);
                 continue;
             }
 
-            FlushInfo& flushInfo = mSensorInfo.editValueAt(index);
+            FlushInfo& flushInfo = mSensorInfo[scratch[j].meta_data.sensor].flushInfo;
             flushInfo.mPendingFlushEventsToSend++;
             ALOGD_IF(DEBUG_CONNECTIONS, "increment pendingFlushCount %d",
                      flushInfo.mPendingFlushEventsToSend);
@@ -658,13 +715,21 @@
     } else {
         err = mService->disable(this, handle);
     }
+
     return err;
 }
 
 status_t SensorService::SensorEventConnection::setEventRate(
         int handle, nsecs_t samplingPeriodNs)
 {
-    return mService->setEventRate(this, handle, samplingPeriodNs, mOpPackageName);
+    status_t err = mService->setEventRate(this, handle, samplingPeriodNs, mOpPackageName);
+
+    std::lock_guard<std::recursive_mutex> _l(mConnectionLock);
+    if (err == NO_ERROR && mSensorInfo.count(handle) > 0) {
+        mSensorInfo[handle].samplingPeriodNs = samplingPeriodNs;
+    }
+
+    return err;
 }
 
 status_t  SensorService::SensorEventConnection::flush() {
@@ -685,7 +750,7 @@
             // and remove the fd from Looper. Call checkWakeLockState to know if SensorService
             // can release the wake-lock.
             ALOGD_IF(DEBUG_CONNECTIONS, "%p Looper error %d", this, fd);
-            Mutex::Autolock _l(mConnectionLock);
+            std::lock_guard<std::recursive_mutex> _l(mConnectionLock);
             mDead = true;
             mWakeLockRefCount = 0;
             updateLooperRegistrationLocked(mService->getLooper());
@@ -704,7 +769,7 @@
         unsigned char buf[sizeof(sensors_event_t)];
         ssize_t numBytesRead = ::recv(fd, buf, sizeof(buf), MSG_DONTWAIT);
         {
-            Mutex::Autolock _l(mConnectionLock);
+            std::lock_guard<std::recursive_mutex> _l(mConnectionLock);
             if (numBytesRead == sizeof(sensors_event_t)) {
                 if (!mDataInjectionMode) {
                     ALOGE("Data injected in normal mode, dropping event"
@@ -764,8 +829,8 @@
 int SensorService::SensorEventConnection::computeMaxCacheSizeLocked() const {
     size_t fifoWakeUpSensors = 0;
     size_t fifoNonWakeUpSensors = 0;
-    for (size_t i = 0; i < mSensorInfo.size(); ++i) {
-        sp<SensorInterface> si = mService->getSensorInterfaceFromHandle(mSensorInfo.keyAt(i));
+    for (auto& it : mSensorInfo) {
+        sp<SensorInterface> si = mService->getSensorInterfaceFromHandle(it.first);
         if (si == nullptr) {
             continue;
         }
diff --git a/services/sensorservice/SensorEventConnection.h b/services/sensorservice/SensorEventConnection.h
index caf5d7c..3ba5c07 100644
--- a/services/sensorservice/SensorEventConnection.h
+++ b/services/sensorservice/SensorEventConnection.h
@@ -23,7 +23,6 @@
 
 #include <utils/Vector.h>
 #include <utils/SortedVector.h>
-#include <utils/KeyedVector.h>
 #include <utils/threads.h>
 #include <utils/AndroidThreads.h>
 #include <utils/RefBase.h>
@@ -58,8 +57,10 @@
     bool hasSensor(int32_t handle) const;
     bool hasAnySensor() const;
     bool hasOneShotSensors() const;
-    bool addSensor(int32_t handle);
+    bool addSensor(
+        int32_t handle, nsecs_t samplingPeriodNs, nsecs_t maxBatchReportLatencyNs, int reservedFlags);
     bool removeSensor(int32_t handle);
+    std::vector<int32_t> getActiveSensorHandles() const;
     void setFirstFlushPending(int32_t handle, bool value);
     void dump(String8& result);
     void dump(util::ProtoOutputStream* proto) const;
@@ -70,7 +71,7 @@
     uid_t getUid() const { return mUid; }
 
     void setSensorAccess(const bool hasAccess);
-
+    void updateSensorSubscriptions();
 private:
     virtual ~SensorEventConnection();
     virtual void onFirstRef();
@@ -136,13 +137,16 @@
     // privacy not being enabled.
     bool hasSensorAccess();
 
+    void stopAll();
+    void recoverAll();
+
     // Call noteOp for the sensor if the sensor requires a permission
     bool noteOpIfRequired(const sensors_event_t& event);
 
     sp<SensorService> const mService;
     sp<BitTube> mChannel;
     uid_t mUid;
-    mutable Mutex mConnectionLock;
+    mutable std::recursive_mutex mConnectionLock;
     // Number of events from wake up sensors which are still pending and haven't been delivered to
     // the corresponding application. It is incremented by one unit for each write to the socket.
     uint32_t mWakeLockRefCount;
@@ -169,8 +173,17 @@
 
         FlushInfo() : mPendingFlushEventsToSend(0), mFirstFlushPending(false) {}
     };
-    // protected by SensorService::mLock. Key for this vector is the sensor handle.
-    KeyedVector<int, FlushInfo> mSensorInfo;
+
+    struct SensorRequest {
+      nsecs_t samplingPeriodNs;
+      nsecs_t maxBatchReportLatencyNs;
+      int reservedFlags;
+      FlushInfo flushInfo;
+    };
+
+    // protected by SensorService::mLock. Key for this map is the sensor handle.
+    std::unordered_map<int32_t, SensorRequest> mSensorInfo;
+    std::unordered_map<int32_t, SensorRequest> mSensorInfoBackup;
 
     sensors_event_t *mEventCache;
     int mCacheSize, mMaxCacheSize;
@@ -185,7 +198,7 @@
 
     mutable Mutex mDestroyLock;
     bool mDestroyed;
-    bool mHasSensorAccess;
+    std::atomic_bool mHasSensorAccess;
 
     // Store a mapping of sensor handles to required AppOp for a sensor. This map only contains a
     // valid mapping for sensors that require a permission in order to reduce the lookup time.
diff --git a/services/sensorservice/SensorService.cpp b/services/sensorservice/SensorService.cpp
index 22a15c6..5ae7c51 100644
--- a/services/sensorservice/SensorService.cpp
+++ b/services/sensorservice/SensorService.cpp
@@ -301,7 +301,10 @@
 
 void SensorService::setSensorAccess(uid_t uid, bool hasAccess) {
     ConnectionSafeAutolock connLock = mConnectionHolder.lock(mLock);
-    for (const sp<SensorEventConnection>& conn : connLock.getActiveConnections()) {
+    const auto& connections = connLock.getActiveConnections();
+
+    mLock.unlock();
+    for (const sp<SensorEventConnection>& conn : connections) {
         if (conn->getUid() == uid) {
             conn->setSensorAccess(hasAccess);
         }
@@ -638,6 +641,9 @@
 
 void SensorService::disableAllSensorsLocked(ConnectionSafeAutolock* connLock) {
     SensorDevice& dev(SensorDevice::getInstance());
+    for (const sp<SensorEventConnection>& connection : connLock->getActiveConnections()) {
+        connection->updateSensorSubscriptions();
+    }
     for (const sp<SensorDirectConnection>& connection : connLock->getDirectConnections()) {
         connection->stopAll(true /* backupRecord */);
     }
@@ -666,6 +672,9 @@
     }
     SensorDevice& dev(SensorDevice::getInstance());
     dev.enableAllSensors();
+    for (const sp<SensorEventConnection>& connection : connLock->getActiveConnections()) {
+        connection->updateSensorSubscriptions();
+    }
     for (const sp<SensorDirectConnection>& connection : connLock->getDirectConnections()) {
         connection->recoverAll();
     }
@@ -1589,7 +1598,7 @@
         }
     }
 
-    if (connection->addSensor(handle)) {
+    if (connection->addSensor(handle, samplingPeriodNs, maxBatchReportLatencyNs, reservedFlags)) {
         BatteryService::enableSensor(connection->getUid(), handle);
         // the sensor was added (which means it wasn't already there)
         // so, see if this connection becomes active
@@ -1739,18 +1748,22 @@
     const int halVersion = dev.getHalDeviceVersion();
     status_t err(NO_ERROR);
     Mutex::Autolock _l(mLock);
+
+    size_t numSensors = 0;
     // Loop through all sensors for this connection and call flush on each of them.
-    for (size_t i = 0; i < connection->mSensorInfo.size(); ++i) {
-        const int handle = connection->mSensorInfo.keyAt(i);
+    for (int handle : connection->getActiveSensorHandles()) {
         sp<SensorInterface> sensor = getSensorInterfaceFromHandle(handle);
         if (sensor == nullptr) {
             continue;
         }
+        numSensors++;
+
         if (sensor->getSensor().getReportingMode() == AREPORTING_MODE_ONE_SHOT) {
             ALOGE("flush called on a one-shot sensor");
             err = INVALID_OPERATION;
             continue;
         }
+
         if (halVersion <= SENSORS_DEVICE_API_VERSION_1_0 || isVirtualSensor(handle)) {
             // For older devices just increment pending flush count which will send a trivial
             // flush complete event.
@@ -1768,7 +1781,8 @@
             err = (err_flush != NO_ERROR) ? err_flush : err;
         }
     }
-    return err;
+
+    return (numSensors == 0) ? INVALID_OPERATION : err;
 }
 
 bool SensorService::canAccessSensor(const Sensor& sensor, const char* operation,
diff --git a/services/surfaceflinger/BufferLayer.cpp b/services/surfaceflinger/BufferLayer.cpp
index e4d754c..a32bc2b 100644
--- a/services/surfaceflinger/BufferLayer.cpp
+++ b/services/surfaceflinger/BufferLayer.cpp
@@ -272,7 +272,7 @@
     // pixel format is HDR Y410 masquerading as RGBA_1010102
     return (mBufferInfo.mDataspace == ui::Dataspace::BT2020_ITU_PQ &&
             mBufferInfo.mApi == NATIVE_WINDOW_API_MEDIA &&
-            mBufferInfo.mBuffer->getPixelFormat() == HAL_PIXEL_FORMAT_RGBA_1010102);
+            mBufferInfo.mPixelFormat == HAL_PIXEL_FORMAT_RGBA_1010102);
 }
 
 sp<compositionengine::LayerFE> BufferLayer::getCompositionEngineLayerFE() const {
@@ -374,6 +374,12 @@
     return true;
 }
 
+void BufferLayer::gatherBufferInfo() {
+    mBufferInfo.mPixelFormat =
+            !mBufferInfo.mBuffer ? PIXEL_FORMAT_NONE : mBufferInfo.mBuffer->format;
+    mBufferInfo.mFrameLatencyNeeded = true;
+}
+
 bool BufferLayer::latchBuffer(bool& recomputeVisibleRegions, nsecs_t latchTime,
                               nsecs_t expectedPresentTime) {
     ATRACE_CALL();
@@ -434,7 +440,6 @@
     gatherBufferInfo();
 
     mRefreshPending = true;
-    mBufferInfo.mFrameLatencyNeeded = true;
     if (oldBufferInfo.mBuffer == nullptr) {
         // the first time we receive a buffer, we need to trigger a
         // geometry invalidation.
diff --git a/services/surfaceflinger/BufferLayer.h b/services/surfaceflinger/BufferLayer.h
index f678910..fbec6ee 100644
--- a/services/surfaceflinger/BufferLayer.h
+++ b/services/surfaceflinger/BufferLayer.h
@@ -161,7 +161,7 @@
         Region mSurfaceDamage;
         HdrMetadata mHdrMetadata;
         int mApi;
-        PixelFormat mPixelFormat;
+        PixelFormat mPixelFormat{PIXEL_FORMAT_NONE};
         bool mTransformToDisplayInverse{false};
 
         sp<GraphicBuffer> mBuffer;
diff --git a/services/surfaceflinger/BufferLayerConsumer.cpp b/services/surfaceflinger/BufferLayerConsumer.cpp
index 5e04d95..e50a909 100644
--- a/services/surfaceflinger/BufferLayerConsumer.cpp
+++ b/services/surfaceflinger/BufferLayerConsumer.cpp
@@ -443,10 +443,7 @@
 }
 
 void BufferLayerConsumer::onDisconnect() {
-    sp<Layer> l = mLayer.promote();
-    if (l.get()) {
-        l->onDisconnect();
-    }
+    mLayer->onDisconnect();
 }
 
 void BufferLayerConsumer::onSidebandStreamChanged() {
@@ -480,10 +477,7 @@
 
 void BufferLayerConsumer::addAndGetFrameTimestamps(const NewFrameEventsEntry* newTimestamps,
                                                    FrameEventHistoryDelta* outDelta) {
-    sp<Layer> l = mLayer.promote();
-    if (l.get()) {
-        l->addAndGetFrameTimestamps(newTimestamps, outDelta);
-    }
+    mLayer->addAndGetFrameTimestamps(newTimestamps, outDelta);
 }
 
 void BufferLayerConsumer::abandonLocked() {
diff --git a/services/surfaceflinger/BufferLayerConsumer.h b/services/surfaceflinger/BufferLayerConsumer.h
index 39ed370..c71a1d9 100644
--- a/services/surfaceflinger/BufferLayerConsumer.h
+++ b/services/surfaceflinger/BufferLayerConsumer.h
@@ -332,7 +332,7 @@
     const uint32_t mTexName;
 
     // The layer for this BufferLayerConsumer
-    const wp<Layer> mLayer;
+    Layer* mLayer;
 
     wp<ContentsChangedListener> mContentsChangedListener;
 
diff --git a/services/surfaceflinger/BufferQueueLayer.cpp b/services/surfaceflinger/BufferQueueLayer.cpp
index 18f7f44..c84b15d 100644
--- a/services/surfaceflinger/BufferQueueLayer.cpp
+++ b/services/surfaceflinger/BufferQueueLayer.cpp
@@ -346,8 +346,6 @@
     mPreviousBufferId = getCurrentBufferId();
     mBufferInfo.mBuffer =
             mConsumer->getCurrentBuffer(&mBufferInfo.mBufferSlot, &mBufferInfo.mFence);
-    auto* layerCompositionState = editCompositionState();
-    layerCompositionState->buffer = mBufferInfo.mBuffer;
 
     if (mBufferInfo.mBuffer == nullptr) {
         // this can only happen if the very first buffer was rejected.
@@ -441,7 +439,7 @@
         mQueueItemCondition.broadcast();
     }
 
-    mFlinger->mInterceptor->saveBufferUpdate(this, item.mGraphicBuffer->getWidth(),
+    mFlinger->mInterceptor->saveBufferUpdate(layerId, item.mGraphicBuffer->getWidth(),
                                              item.mGraphicBuffer->getHeight(), item.mFrameNumber);
 
     mFlinger->signalLayerUpdate();
@@ -527,8 +525,6 @@
         return BAD_VALUE;
     }
 
-    mFormat = format;
-
     setDefaultBufferSize(w, h);
     mConsumer->setDefaultBufferFormat(format);
     mConsumer->setConsumerUsageBits(getEffectiveUsage(0));
@@ -552,6 +548,8 @@
 }
 
 void BufferQueueLayer::gatherBufferInfo() {
+    BufferLayer::gatherBufferInfo();
+
     mBufferInfo.mDesiredPresentTime = mConsumer->getTimestamp();
     mBufferInfo.mFenceTime = mConsumer->getCurrentFenceTime();
     mBufferInfo.mFence = mConsumer->getCurrentFence();
@@ -562,7 +560,6 @@
     mBufferInfo.mSurfaceDamage = mConsumer->getSurfaceDamage();
     mBufferInfo.mHdrMetadata = mConsumer->getCurrentHdrMetadata();
     mBufferInfo.mApi = mConsumer->getCurrentApi();
-    mBufferInfo.mPixelFormat = mFormat;
     mBufferInfo.mTransformToDisplayInverse = mConsumer->getTransformToDisplayInverse();
 }
 
diff --git a/services/surfaceflinger/BufferQueueLayer.h b/services/surfaceflinger/BufferQueueLayer.h
index 5f7587c..ea7f203 100644
--- a/services/surfaceflinger/BufferQueueLayer.h
+++ b/services/surfaceflinger/BufferQueueLayer.h
@@ -132,8 +132,6 @@
     sp<BufferLayerConsumer> mConsumer;
     sp<IGraphicBufferProducer> mProducer;
 
-    PixelFormat mFormat{PIXEL_FORMAT_NONE};
-
     bool mUpdateTexImageFailed{false};
 
     uint64_t mPreviousBufferId = 0;
diff --git a/services/surfaceflinger/BufferStateLayer.cpp b/services/surfaceflinger/BufferStateLayer.cpp
index de5429b..3e65171 100644
--- a/services/surfaceflinger/BufferStateLayer.cpp
+++ b/services/surfaceflinger/BufferStateLayer.cpp
@@ -616,7 +616,6 @@
     mPreviousBufferId = getCurrentBufferId();
     mBufferInfo.mBuffer = s.buffer;
     mBufferInfo.mFence = s.acquireFence;
-    editCompositionState()->buffer = mBufferInfo.mBuffer;
 
     return NO_ERROR;
 }
@@ -719,8 +718,9 @@
 }
 
 void BufferStateLayer::gatherBufferInfo() {
-    const State& s(getDrawingState());
+    BufferLayer::gatherBufferInfo();
 
+    const State& s(getDrawingState());
     mBufferInfo.mDesiredPresentTime = s.desiredPresentTime;
     mBufferInfo.mFenceTime = std::make_shared<FenceTime>(s.acquireFence);
     mBufferInfo.mFence = s.acquireFence;
@@ -731,8 +731,6 @@
     mBufferInfo.mSurfaceDamage = s.surfaceDamageRegion;
     mBufferInfo.mHdrMetadata = s.hdrMetadata;
     mBufferInfo.mApi = s.api;
-    mBufferInfo.mPixelFormat =
-            !mBufferInfo.mBuffer ? PIXEL_FORMAT_NONE : mBufferInfo.mBuffer->format;
     mBufferInfo.mTransformToDisplayInverse = s.transformToDisplayInverse;
     mBufferInfo.mBufferSlot = mHwcSlotGenerator->getHwcCacheSlot(s.clientCacheId);
 }
diff --git a/services/surfaceflinger/CompositionEngine/src/ClientCompositionRequestCache.cpp b/services/surfaceflinger/CompositionEngine/src/ClientCompositionRequestCache.cpp
index acaaf4e..2d9f01b 100644
--- a/services/surfaceflinger/CompositionEngine/src/ClientCompositionRequestCache.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/ClientCompositionRequestCache.cpp
@@ -35,7 +35,8 @@
     return lhs.geometry == rhs.geometry && lhs.alpha == rhs.alpha &&
             lhs.sourceDataspace == rhs.sourceDataspace &&
             lhs.colorTransform == rhs.colorTransform &&
-            lhs.disableBlending == rhs.disableBlending && lhs.shadow == rhs.shadow;
+            lhs.disableBlending == rhs.disableBlending && lhs.shadow == rhs.shadow &&
+            lhs.backgroundBlurRadius == rhs.backgroundBlurRadius;
 }
 
 inline bool equalIgnoringBuffer(const renderengine::Buffer& lhs, const renderengine::Buffer& rhs) {
diff --git a/services/surfaceflinger/CompositionEngine/tests/MockHWComposer.h b/services/surfaceflinger/CompositionEngine/tests/MockHWComposer.h
index 02226ab..88f6649 100644
--- a/services/surfaceflinger/CompositionEngine/tests/MockHWComposer.h
+++ b/services/surfaceflinger/CompositionEngine/tests/MockHWComposer.h
@@ -45,6 +45,7 @@
 
     MOCK_METHOD3(allocateVirtualDisplay,
                  std::optional<DisplayId>(uint32_t, uint32_t, ui::PixelFormat*));
+    MOCK_METHOD2(allocatePhysicalDisplay, void(hwc2_display_t, DisplayId));
     MOCK_METHOD1(createLayer, HWC2::Layer*(DisplayId));
     MOCK_METHOD2(destroyLayer, void(DisplayId, HWC2::Layer*));
     MOCK_METHOD3(getDeviceCompositionChanges,
diff --git a/services/surfaceflinger/CompositionEngine/tests/MockPowerAdvisor.h b/services/surfaceflinger/CompositionEngine/tests/MockPowerAdvisor.h
index e740b13..b738096 100644
--- a/services/surfaceflinger/CompositionEngine/tests/MockPowerAdvisor.h
+++ b/services/surfaceflinger/CompositionEngine/tests/MockPowerAdvisor.h
@@ -29,6 +29,7 @@
     PowerAdvisor();
     ~PowerAdvisor() override;
 
+    MOCK_METHOD0(onBootFinished, void());
     MOCK_METHOD2(setExpensiveRenderingExpected, void(DisplayId displayId, bool expected));
     MOCK_METHOD0(notifyDisplayUpdateImminent, void());
 };
diff --git a/services/surfaceflinger/DisplayDevice.h b/services/surfaceflinger/DisplayDevice.h
index fb6c817..397fedc 100644
--- a/services/surfaceflinger/DisplayDevice.h
+++ b/services/surfaceflinger/DisplayDevice.h
@@ -183,9 +183,10 @@
     struct Physical {
         DisplayId id;
         DisplayConnectionType type;
+        hwc2_display_t hwcDisplayId;
 
         bool operator==(const Physical& other) const {
-            return id == other.id && type == other.type;
+            return id == other.id && type == other.type && hwcDisplayId == other.hwcDisplayId;
         }
     };
 
diff --git a/services/surfaceflinger/DisplayHardware/DisplayIdentification.cpp b/services/surfaceflinger/DisplayHardware/DisplayIdentification.cpp
index 9aaef65..b6d904f 100644
--- a/services/surfaceflinger/DisplayHardware/DisplayIdentification.cpp
+++ b/services/surfaceflinger/DisplayHardware/DisplayIdentification.cpp
@@ -35,6 +35,7 @@
 
 using byte_view = std::basic_string_view<uint8_t>;
 
+constexpr size_t kEdidBlockSize = 128;
 constexpr size_t kEdidHeaderLength = 5;
 
 constexpr uint16_t kFallbackEdidManufacturerId = 0;
@@ -98,15 +99,65 @@
     return info;
 }
 
+Cea861ExtensionBlock parseCea861Block(const byte_view& block) {
+    Cea861ExtensionBlock cea861Block;
+
+    constexpr size_t kRevisionNumberOffset = 1;
+    cea861Block.revisionNumber = block[kRevisionNumberOffset];
+
+    constexpr size_t kDetailedTimingDescriptorsOffset = 2;
+    const size_t dtdStart =
+            std::min(kEdidBlockSize, static_cast<size_t>(block[kDetailedTimingDescriptorsOffset]));
+
+    // Parse data blocks.
+    for (size_t dataBlockOffset = 4; dataBlockOffset < dtdStart;) {
+        const uint8_t header = block[dataBlockOffset];
+        const uint8_t tag = header >> 5;
+        const size_t bodyLength = header & 0b11111;
+        constexpr size_t kDataBlockHeaderSize = 1;
+        const size_t dataBlockSize = bodyLength + kDataBlockHeaderSize;
+
+        if (block.size() < dataBlockOffset + dataBlockSize) {
+            ALOGW("Invalid EDID: CEA 861 data block is truncated.");
+            break;
+        }
+
+        const byte_view dataBlock(block.data() + dataBlockOffset, dataBlockSize);
+        constexpr uint8_t kVendorSpecificDataBlockTag = 0x3;
+
+        if (tag == kVendorSpecificDataBlockTag) {
+            const uint32_t ieeeRegistrationId =
+                    dataBlock[1] | (dataBlock[2] << 8) | (dataBlock[3] << 16);
+            constexpr uint32_t kHdmiIeeeRegistrationId = 0xc03;
+
+            if (ieeeRegistrationId == kHdmiIeeeRegistrationId) {
+                const uint8_t a = dataBlock[4] >> 4;
+                const uint8_t b = dataBlock[4] & 0b1111;
+                const uint8_t c = dataBlock[5] >> 4;
+                const uint8_t d = dataBlock[5] & 0b1111;
+                cea861Block.hdmiVendorDataBlock =
+                        HdmiVendorDataBlock{.physicalAddress = HdmiPhysicalAddress{a, b, c, d}};
+            } else {
+                ALOGV("Ignoring vendor specific data block for vendor with IEEE OUI %x",
+                      ieeeRegistrationId);
+            }
+        } else {
+            ALOGV("Ignoring CEA-861 data block with tag %x", tag);
+        }
+        dataBlockOffset += bodyLength + kDataBlockHeaderSize;
+    }
+
+    return cea861Block;
+}
+
 } // namespace
 
 uint16_t DisplayId::manufacturerId() const {
     return static_cast<uint16_t>(value >> 40);
 }
 
-DisplayId DisplayId::fromEdid(uint8_t port, uint16_t manufacturerId, uint32_t displayNameHash) {
-    return {(static_cast<Type>(manufacturerId) << 40) | (static_cast<Type>(displayNameHash) << 8) |
-            port};
+DisplayId DisplayId::fromEdid(uint8_t port, uint16_t manufacturerId, uint32_t modelHash) {
+    return {(static_cast<Type>(manufacturerId) << 40) | (static_cast<Type>(modelHash) << 8) | port};
 }
 
 bool isEdid(const DisplayIdentificationData& data) {
@@ -116,13 +167,12 @@
 }
 
 std::optional<Edid> parseEdid(const DisplayIdentificationData& edid) {
-    constexpr size_t kMinLength = 128;
-    if (edid.size() < kMinLength) {
+    if (edid.size() < kEdidBlockSize) {
         ALOGW("Invalid EDID: structure is truncated.");
         // Attempt parsing even if EDID is malformed.
     } else {
-        ALOGW_IF(edid[126] != 0, "EDID extensions are currently unsupported.");
-        ALOGW_IF(std::accumulate(edid.begin(), edid.begin() + kMinLength, static_cast<uint8_t>(0)),
+        ALOGW_IF(std::accumulate(edid.begin(), edid.begin() + kEdidBlockSize,
+                                 static_cast<uint8_t>(0)),
                  "Invalid EDID: structure does not checksum.");
     }
 
@@ -209,25 +259,62 @@
         view.remove_prefix(kDescriptorLength);
     }
 
-    if (displayName.empty()) {
+    std::string_view modelString = displayName;
+
+    if (modelString.empty()) {
         ALOGW("Invalid EDID: falling back to serial number due to missing display name.");
-        displayName = serialNumber;
+        modelString = serialNumber;
     }
-    if (displayName.empty()) {
+    if (modelString.empty()) {
         ALOGW("Invalid EDID: falling back to ASCII text due to missing serial number.");
-        displayName = asciiText;
+        modelString = asciiText;
     }
-    if (displayName.empty()) {
+    if (modelString.empty()) {
         ALOGE("Invalid EDID: display name and fallback descriptors are missing.");
         return {};
     }
 
+    // Hash model string instead of using product code or (integer) serial number, since the latter
+    // have been observed to change on some displays with multiple inputs.
+    const auto modelHash = static_cast<uint32_t>(std::hash<std::string_view>()(modelString));
+
+    // Parse extension blocks.
+    std::optional<Cea861ExtensionBlock> cea861Block;
+    if (edid.size() < kEdidBlockSize) {
+        ALOGW("Invalid EDID: block 0 is truncated.");
+    } else {
+        constexpr size_t kNumExtensionsOffset = 126;
+        const size_t numExtensions = edid[kNumExtensionsOffset];
+        view = byte_view(edid.data(), edid.size());
+        for (size_t blockNumber = 1; blockNumber <= numExtensions; blockNumber++) {
+            view.remove_prefix(kEdidBlockSize);
+            if (view.size() < kEdidBlockSize) {
+                ALOGW("Invalid EDID: block %zu is truncated.", blockNumber);
+                break;
+            }
+
+            const byte_view block(view.data(), kEdidBlockSize);
+            ALOGW_IF(std::accumulate(block.begin(), block.end(), static_cast<uint8_t>(0)),
+                     "Invalid EDID: block %zu does not checksum.", blockNumber);
+            const uint8_t tag = block[0];
+
+            constexpr uint8_t kCea861BlockTag = 0x2;
+            if (tag == kCea861BlockTag) {
+                cea861Block = parseCea861Block(block);
+            } else {
+                ALOGV("Ignoring block number %zu with tag %x.", blockNumber, tag);
+            }
+        }
+    }
+
     return Edid{.manufacturerId = manufacturerId,
-                .pnpId = *pnpId,
-                .displayName = displayName,
                 .productId = productId,
+                .pnpId = *pnpId,
+                .modelHash = modelHash,
+                .displayName = displayName,
+                .manufactureOrModelYear = manufactureOrModelYear,
                 .manufactureWeek = manufactureWeek,
-                .manufactureOrModelYear = manufactureOrModelYear};
+                .cea861Block = cea861Block};
 }
 
 std::optional<PnpId> getPnpId(uint16_t manufacturerId) {
@@ -253,10 +340,8 @@
         return {};
     }
 
-    // Hash display name instead of using product code or serial number, since the latter have been
-    // observed to change on some displays with multiple inputs.
-    const auto hash = static_cast<uint32_t>(std::hash<std::string_view>()(edid->displayName));
-    return DisplayIdentificationInfo{.id = DisplayId::fromEdid(port, edid->manufacturerId, hash),
+    const auto displayId = DisplayId::fromEdid(port, edid->manufacturerId, edid->modelHash);
+    return DisplayIdentificationInfo{.id = displayId,
                                      .name = std::string(edid->displayName),
                                      .deviceProductInfo = buildDeviceProductInfo(*edid)};
 }
diff --git a/services/surfaceflinger/DisplayHardware/DisplayIdentification.h b/services/surfaceflinger/DisplayHardware/DisplayIdentification.h
index 0a18ba1..fc2f72e 100644
--- a/services/surfaceflinger/DisplayHardware/DisplayIdentification.h
+++ b/services/surfaceflinger/DisplayHardware/DisplayIdentification.h
@@ -34,7 +34,7 @@
 
     uint16_t manufacturerId() const;
 
-    static DisplayId fromEdid(uint8_t port, uint16_t manufacturerId, uint32_t displayNameHash);
+    static DisplayId fromEdid(uint8_t port, uint16_t manufacturerId, uint32_t modelHash);
 };
 
 inline bool operator==(DisplayId lhs, DisplayId rhs) {
@@ -57,13 +57,35 @@
     std::optional<DeviceProductInfo> deviceProductInfo;
 };
 
+struct ExtensionBlock {
+    uint8_t tag;
+    uint8_t revisionNumber;
+};
+
+struct HdmiPhysicalAddress {
+    // The address describes the path from the display sink in the network of connected HDMI
+    // devices. The format of the address is "a.b.c.d". For example, address 2.1.0.0 means we are
+    // connected to port 1 of a device which is connected to port 2 of the sink.
+    uint8_t a, b, c, d;
+};
+
+struct HdmiVendorDataBlock {
+    std::optional<HdmiPhysicalAddress> physicalAddress;
+};
+
+struct Cea861ExtensionBlock : ExtensionBlock {
+    std::optional<HdmiVendorDataBlock> hdmiVendorDataBlock;
+};
+
 struct Edid {
     uint16_t manufacturerId;
     uint16_t productId;
     PnpId pnpId;
+    uint32_t modelHash;
     std::string_view displayName;
     uint8_t manufactureOrModelYear;
     uint8_t manufactureWeek;
+    std::optional<Cea861ExtensionBlock> cea861Block;
 };
 
 bool isEdid(const DisplayIdentificationData&);
diff --git a/services/surfaceflinger/DisplayHardware/FramebufferSurface.cpp b/services/surfaceflinger/DisplayHardware/FramebufferSurface.cpp
index 36544b6..4c3b3e5 100644
--- a/services/surfaceflinger/DisplayHardware/FramebufferSurface.cpp
+++ b/services/surfaceflinger/DisplayHardware/FramebufferSurface.cpp
@@ -57,9 +57,12 @@
  */
 
 FramebufferSurface::FramebufferSurface(HWComposer& hwc, DisplayId displayId,
-                                       const sp<IGraphicBufferConsumer>& consumer)
+                                       const sp<IGraphicBufferConsumer>& consumer,
+                                       uint32_t maxWidth, uint32_t maxHeight)
       : ConsumerBase(consumer),
         mDisplayId(displayId),
+        mMaxWidth(maxWidth),
+        mMaxHeight(maxHeight),
         mCurrentBufferSlot(-1),
         mCurrentBuffer(),
         mCurrentFence(Fence::NO_FENCE),
@@ -75,14 +78,16 @@
                                        GRALLOC_USAGE_HW_RENDER |
                                        GRALLOC_USAGE_HW_COMPOSER);
     const auto& activeConfig = mHwc.getActiveConfig(displayId);
-    mConsumer->setDefaultBufferSize(activeConfig->getWidth(),
-            activeConfig->getHeight());
+    ui::Size limitedSize =
+            limitFramebufferSize(activeConfig->getWidth(), activeConfig->getHeight());
+    mConsumer->setDefaultBufferSize(limitedSize.width, limitedSize.height);
     mConsumer->setMaxAcquiredBufferCount(
             SurfaceFlinger::maxFrameBufferAcquiredBuffers - 1);
 }
 
-void FramebufferSurface::resizeBuffers(const uint32_t width, const uint32_t height) {
-    mConsumer->setDefaultBufferSize(width, height);
+void FramebufferSurface::resizeBuffers(uint32_t width, uint32_t height) {
+    ui::Size limitedSize = limitFramebufferSize(width, height);
+    mConsumer->setDefaultBufferSize(limitedSize.width, limitedSize.height);
 }
 
 status_t FramebufferSurface::beginFrame(bool /*mustRecompose*/) {
@@ -177,6 +182,26 @@
     }
 }
 
+ui::Size FramebufferSurface::limitFramebufferSize(uint32_t width, uint32_t height) {
+    ui::Size framebufferSize(width, height);
+    bool wasLimited = true;
+    if (width > mMaxWidth && mMaxWidth != 0) {
+        float aspectRatio = float(width) / float(height);
+        framebufferSize.height = mMaxWidth / aspectRatio;
+        framebufferSize.width = mMaxWidth;
+        wasLimited = true;
+    }
+    if (height > mMaxHeight && mMaxHeight != 0) {
+        float aspectRatio = float(width) / float(height);
+        framebufferSize.height = mMaxHeight;
+        framebufferSize.width = mMaxHeight * aspectRatio;
+        wasLimited = true;
+    }
+    ALOGI_IF(wasLimited, "framebuffer size has been limited to [%dx%d] from [%dx%d]",
+             framebufferSize.width, framebufferSize.height, width, height);
+    return framebufferSize;
+}
+
 void FramebufferSurface::dumpAsString(String8& result) const {
     Mutex::Autolock lock(mMutex);
     result.appendFormat("  FramebufferSurface: dataspace: %s(%d)\n",
diff --git a/services/surfaceflinger/DisplayHardware/FramebufferSurface.h b/services/surfaceflinger/DisplayHardware/FramebufferSurface.h
index 7f451a5..a1859f3 100644
--- a/services/surfaceflinger/DisplayHardware/FramebufferSurface.h
+++ b/services/surfaceflinger/DisplayHardware/FramebufferSurface.h
@@ -23,6 +23,7 @@
 #include <compositionengine/DisplaySurface.h>
 #include <compositionengine/impl/HwcBufferCache.h>
 #include <gui/ConsumerBase.h>
+#include <ui/Size.h>
 
 #include "DisplayIdentification.h"
 
@@ -39,7 +40,8 @@
 class FramebufferSurface : public ConsumerBase, public compositionengine::DisplaySurface {
 public:
     FramebufferSurface(HWComposer& hwc, DisplayId displayId,
-                       const sp<IGraphicBufferConsumer>& consumer);
+                       const sp<IGraphicBufferConsumer>& consumer, uint32_t maxWidth,
+                       uint32_t maxHeight);
 
     virtual status_t beginFrame(bool mustRecompose);
     virtual status_t prepareFrame(CompositionType compositionType);
@@ -47,7 +49,7 @@
     virtual void onFrameCommitted();
     virtual void dumpAsString(String8& result) const;
 
-    virtual void resizeBuffers(const uint32_t width, const uint32_t height);
+    virtual void resizeBuffers(uint32_t width, uint32_t height);
 
     virtual const sp<Fence>& getClientTargetAcquireFence() const override;
 
@@ -58,6 +60,9 @@
 
     virtual void dumpLocked(String8& result, const char* prefix) const;
 
+    // Limits the width and height by the maximum width specified in the constructor.
+    ui::Size limitFramebufferSize(uint32_t width, uint32_t height);
+
     // nextBuffer waits for and then latches the next buffer from the
     // BufferQueue and releases the previously latched buffer to the
     // BufferQueue.  The new buffer is returned in the 'buffer' argument.
@@ -66,6 +71,14 @@
 
     const DisplayId mDisplayId;
 
+    // Framebuffer size has a dimension limitation in pixels based on the graphics capabilities of
+    // the device.
+    const uint32_t mMaxWidth;
+
+    // Framebuffer size has a dimension limitation in pixels based on the graphics capabilities of
+    // the device.
+    const uint32_t mMaxHeight;
+
     // mCurrentBufferIndex is the slot index of the current buffer or
     // INVALID_BUFFER_SLOT to indicate that either there is no current buffer
     // or the buffer is not associated with a slot.
diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.cpp b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
index 1c1e113..560299a 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.cpp
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
@@ -205,56 +205,14 @@
 
 std::optional<DisplayIdentificationInfo> HWComposer::onHotplug(hwc2_display_t hwcDisplayId,
                                                                HWC2::Connection connection) {
-    std::optional<DisplayIdentificationInfo> info;
-
-    if (const auto displayId = toPhysicalDisplayId(hwcDisplayId)) {
-        info = DisplayIdentificationInfo{.id = *displayId,
-                                         .name = std::string(),
-                                         .deviceProductInfo = std::nullopt};
-    } else {
-        if (connection == HWC2::Connection::Disconnected) {
-            ALOGE("Ignoring disconnection of invalid HWC display %" PRIu64, hwcDisplayId);
+    switch (connection) {
+        case HWC2::Connection::Connected:
+            return onHotplugConnect(hwcDisplayId);
+        case HWC2::Connection::Disconnected:
+            return onHotplugDisconnect(hwcDisplayId);
+        case HWC2::Connection::Invalid:
             return {};
-        }
-
-        info = onHotplugConnect(hwcDisplayId);
-        if (!info) return {};
     }
-
-    ALOGV("%s: %s %s display %s with HWC ID %" PRIu64, __FUNCTION__, to_string(connection).c_str(),
-          hwcDisplayId == mInternalHwcDisplayId ? "internal" : "external",
-          to_string(info->id).c_str(), hwcDisplayId);
-
-    if (connection == HWC2::Connection::Connected) {
-        auto& displayData = mDisplayData[info->id];
-        // If we get a hotplug connected event for a display we already have,
-        // destroy the display and recreate it. This will force us to requery
-        // the display params and recreate all layers on that display.
-        if (displayData.hwcDisplay != nullptr && displayData.hwcDisplay->isConnected()) {
-            ALOGI("Hotplug connecting an already connected display."
-                  " Clearing old display state.");
-        }
-        displayData.hwcDisplay.reset();
-        auto newDisplay =
-                std::make_unique<HWC2::impl::Display>(*mComposer.get(), mCapabilities, hwcDisplayId,
-                                                      HWC2::DisplayType::Physical);
-        newDisplay->setConnected(true);
-        displayData.hwcDisplay = std::move(newDisplay);
-        mPhysicalDisplayIdMap[hwcDisplayId] = info->id;
-    } else if (connection == HWC2::Connection::Disconnected) {
-        // The display will later be destroyed by a call to
-        // destroyDisplay(). For now we just mark it disconnected.
-        auto& displayData = mDisplayData[info->id];
-        if (displayData.hwcDisplay) {
-            displayData.hwcDisplay->setConnected(false);
-        } else {
-            ALOGW("Attempted to disconnect unknown display %" PRIu64, hwcDisplayId);
-        }
-        // The cleanup of Disconnect is handled through HWComposer::disconnectDisplay
-        // via SurfaceFlinger's onHotplugReceived callback handling
-    }
-
-    return info;
 }
 
 bool HWComposer::onVsync(hwc2_display_t hwcDisplayId, int64_t timestamp) {
@@ -337,6 +295,22 @@
     return displayId;
 }
 
+void HWComposer::allocatePhysicalDisplay(hwc2_display_t hwcDisplayId, DisplayId displayId) {
+    if (!mInternalHwcDisplayId) {
+        mInternalHwcDisplayId = hwcDisplayId;
+    } else if (mInternalHwcDisplayId != hwcDisplayId && !mExternalHwcDisplayId) {
+        mExternalHwcDisplayId = hwcDisplayId;
+    }
+
+    auto& displayData = mDisplayData[displayId];
+    auto newDisplay =
+            std::make_unique<HWC2::impl::Display>(*mComposer.get(), mCapabilities, hwcDisplayId,
+                                                  HWC2::DisplayType::Physical);
+    newDisplay->setConnected(true);
+    displayData.hwcDisplay = std::move(newDisplay);
+    mPhysicalDisplayIdMap[hwcDisplayId] = displayId;
+}
+
 HWC2::Layer* HWComposer::createLayer(DisplayId displayId) {
     RETURN_IF_INVALID_DISPLAY(displayId, nullptr);
 
@@ -911,52 +885,93 @@
     return {};
 }
 
-std::optional<DisplayIdentificationInfo> HWComposer::onHotplugConnect(hwc2_display_t hwcDisplayId) {
+bool HWComposer::shouldIgnoreHotplugConnect(hwc2_display_t hwcDisplayId,
+                                            bool hasDisplayIdentificationData) const {
     if (isUsingVrComposer() && mInternalHwcDisplayId) {
         ALOGE("Ignoring connection of external display %" PRIu64 " in VR mode", hwcDisplayId);
-        return {};
+        return true;
     }
 
-    uint8_t port;
-    DisplayIdentificationData data;
-    const bool hasMultiDisplaySupport = getDisplayIdentificationData(hwcDisplayId, &port, &data);
-
-    if (mPhysicalDisplayIdMap.empty()) {
-        mHasMultiDisplaySupport = hasMultiDisplaySupport;
-        ALOGI("Switching to %s multi-display mode",
-              hasMultiDisplaySupport ? "generalized" : "legacy");
-    } else if (mHasMultiDisplaySupport && !hasMultiDisplaySupport) {
+    if (mHasMultiDisplaySupport && !hasDisplayIdentificationData) {
         ALOGE("Ignoring connection of display %" PRIu64 " without identification data",
               hwcDisplayId);
-        return {};
+        return true;
     }
 
-    std::optional<DisplayIdentificationInfo> info;
-
-    if (mHasMultiDisplaySupport) {
-        info = parseDisplayIdentificationData(port, data);
-        ALOGE_IF(!info, "Failed to parse identification data for display %" PRIu64, hwcDisplayId);
-    } else if (mInternalHwcDisplayId && mExternalHwcDisplayId) {
+    if (!mHasMultiDisplaySupport && mInternalHwcDisplayId && mExternalHwcDisplayId) {
         ALOGE("Ignoring connection of tertiary display %" PRIu64, hwcDisplayId);
-        return {};
+        return true;
+    }
+
+    return false;
+}
+
+std::optional<DisplayIdentificationInfo> HWComposer::onHotplugConnect(hwc2_display_t hwcDisplayId) {
+    std::optional<DisplayIdentificationInfo> info;
+    if (const auto displayId = toPhysicalDisplayId(hwcDisplayId)) {
+        info = DisplayIdentificationInfo{.id = *displayId,
+                                         .name = std::string(),
+                                         .deviceProductInfo = std::nullopt};
     } else {
-        ALOGW_IF(hasMultiDisplaySupport, "Ignoring identification data for display %" PRIu64,
-                 hwcDisplayId);
-        port = mInternalHwcDisplayId ? HWC_DISPLAY_EXTERNAL : HWC_DISPLAY_PRIMARY;
+        uint8_t port;
+        DisplayIdentificationData data;
+        const bool hasDisplayIdentificationData =
+                getDisplayIdentificationData(hwcDisplayId, &port, &data);
+        if (mPhysicalDisplayIdMap.empty()) {
+            mHasMultiDisplaySupport = hasDisplayIdentificationData;
+            ALOGI("Switching to %s multi-display mode",
+                  mHasMultiDisplaySupport ? "generalized" : "legacy");
+        }
+
+        if (shouldIgnoreHotplugConnect(hwcDisplayId, hasDisplayIdentificationData)) {
+            return {};
+        }
+
+        info = [this, hwcDisplayId, &port, &data, hasDisplayIdentificationData] {
+            const bool isPrimary = !mInternalHwcDisplayId;
+            if (mHasMultiDisplaySupport) {
+                if (const auto info = parseDisplayIdentificationData(port, data)) {
+                    return *info;
+                }
+                ALOGE("Failed to parse identification data for display %" PRIu64, hwcDisplayId);
+            } else {
+                ALOGW_IF(hasDisplayIdentificationData,
+                         "Ignoring identification data for display %" PRIu64, hwcDisplayId);
+                port = isPrimary ? HWC_DISPLAY_PRIMARY : HWC_DISPLAY_EXTERNAL;
+            }
+
+            return DisplayIdentificationInfo{.id = getFallbackDisplayId(port),
+                                             .name = isPrimary ? "Internal display"
+                                                               : "External display",
+                                             .deviceProductInfo = std::nullopt};
+        }();
     }
 
-    if (!mInternalHwcDisplayId) {
-        mInternalHwcDisplayId = hwcDisplayId;
-    } else if (!mExternalHwcDisplayId) {
-        mExternalHwcDisplayId = hwcDisplayId;
+    if (!isConnected(info->id)) {
+        allocatePhysicalDisplay(hwcDisplayId, info->id);
+    }
+    return info;
+}
+
+std::optional<DisplayIdentificationInfo> HWComposer::onHotplugDisconnect(
+        hwc2_display_t hwcDisplayId) {
+    const auto displayId = toPhysicalDisplayId(hwcDisplayId);
+    if (!displayId) {
+        ALOGE("Ignoring disconnection of invalid HWC display %" PRIu64, hwcDisplayId);
+        return {};
     }
 
-    if (info) return info;
-
-    return DisplayIdentificationInfo{.id = getFallbackDisplayId(port),
-                                     .name = hwcDisplayId == mInternalHwcDisplayId
-                                             ? "Internal display"
-                                             : "External display",
+    // The display will later be destroyed by a call to
+    // destroyDisplay(). For now we just mark it disconnected.
+    if (isConnected(*displayId)) {
+        mDisplayData[*displayId].hwcDisplay->setConnected(false);
+    } else {
+        ALOGW("Attempted to disconnect unknown display %" PRIu64, hwcDisplayId);
+    }
+    // The cleanup of Disconnect is handled through HWComposer::disconnectDisplay
+    // via SurfaceFlinger's onHotplugReceived callback handling
+    return DisplayIdentificationInfo{.id = *displayId,
+                                     .name = std::string(),
                                      .deviceProductInfo = std::nullopt};
 }
 
diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.h b/services/surfaceflinger/DisplayHardware/HWComposer.h
index 41db501..3cb40b1 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.h
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.h
@@ -77,6 +77,8 @@
     virtual std::optional<DisplayId> allocateVirtualDisplay(uint32_t width, uint32_t height,
                                                             ui::PixelFormat* format) = 0;
 
+    virtual void allocatePhysicalDisplay(hwc2_display_t hwcDisplayId, DisplayId displayId) = 0;
+
     // Attempts to create a new layer on this display
     virtual HWC2::Layer* createLayer(DisplayId displayId) = 0;
     // Destroy a previously created layer
@@ -164,6 +166,7 @@
 
     // Returns stable display ID (and display name on connection of new or previously disconnected
     // display), or std::nullopt if hotplug event was ignored.
+    // This function is called from SurfaceFlinger.
     virtual std::optional<DisplayIdentificationInfo> onHotplug(hwc2_display_t hwcDisplayId,
                                                                HWC2::Connection connection) = 0;
 
@@ -238,6 +241,9 @@
     std::optional<DisplayId> allocateVirtualDisplay(uint32_t width, uint32_t height,
                                                     ui::PixelFormat* format) override;
 
+    // Called from SurfaceFlinger, when the state for a new physical display needs to be recreated.
+    void allocatePhysicalDisplay(hwc2_display_t hwcDisplayId, DisplayId displayId) override;
+
     // Attempts to create a new layer on this display
     HWC2::Layer* createLayer(DisplayId displayId) override;
     // Destroy a previously created layer
@@ -361,6 +367,10 @@
     friend TestableSurfaceFlinger;
 
     std::optional<DisplayIdentificationInfo> onHotplugConnect(hwc2_display_t hwcDisplayId);
+    std::optional<DisplayIdentificationInfo> onHotplugDisconnect(hwc2_display_t hwcDisplayId);
+    bool shouldIgnoreHotplugConnect(hwc2_display_t hwcDisplayId,
+                                    bool hasDisplayIdentificationData) const;
+
     void loadCapabilities();
     void loadLayerMetadataSupport();
     uint32_t getMaxVirtualDisplayCount() const;
diff --git a/services/surfaceflinger/DisplayHardware/PowerAdvisor.cpp b/services/surfaceflinger/DisplayHardware/PowerAdvisor.cpp
index 06e0cbb..1d8179c 100644
--- a/services/surfaceflinger/DisplayHardware/PowerAdvisor.cpp
+++ b/services/surfaceflinger/DisplayHardware/PowerAdvisor.cpp
@@ -72,6 +72,10 @@
     }
 }
 
+void PowerAdvisor::onBootFinished() {
+    mBootFinished.store(true);
+}
+
 void PowerAdvisor::setExpensiveRenderingExpected(DisplayId displayId, bool expected) {
     if (expected) {
         mExpensiveDisplays.insert(displayId);
@@ -97,6 +101,12 @@
 }
 
 void PowerAdvisor::notifyDisplayUpdateImminent() {
+    // Only start sending this notification once the system has booted so we don't introduce an
+    // early-boot dependency on Power HAL
+    if (!mBootFinished.load()) {
+        return;
+    }
+
     if (mSendUpdateImminent.load()) {
         HalWrapper* const halWrapper = getPowerHal();
         if (halWrapper == nullptr) {
diff --git a/services/surfaceflinger/DisplayHardware/PowerAdvisor.h b/services/surfaceflinger/DisplayHardware/PowerAdvisor.h
index 957d289..4a90acb 100644
--- a/services/surfaceflinger/DisplayHardware/PowerAdvisor.h
+++ b/services/surfaceflinger/DisplayHardware/PowerAdvisor.h
@@ -35,6 +35,7 @@
 public:
     virtual ~PowerAdvisor();
 
+    virtual void onBootFinished() = 0;
     virtual void setExpensiveRenderingExpected(DisplayId displayId, bool expected) = 0;
     virtual void notifyDisplayUpdateImminent() = 0;
 };
@@ -56,12 +57,14 @@
     PowerAdvisor();
     ~PowerAdvisor() override;
 
+    void onBootFinished() override;
     void setExpensiveRenderingExpected(DisplayId displayId, bool expected) override;
     void notifyDisplayUpdateImminent() override;
 
 private:
     HalWrapper* getPowerHal();
 
+    std::atomic_bool mBootFinished = false;
     bool mReconnectPowerHal = false;
 
     std::unordered_set<DisplayId> mExpensiveDisplays;
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index 3765d0d..3d67a6b 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -116,6 +116,7 @@
     mCurrentState.frameRateSelectionPriority = PRIORITY_UNSET;
     mCurrentState.metadata = args.metadata;
     mCurrentState.shadowRadius = 0.f;
+    mCurrentState.treeHasFrameRateVote = false;
 
     // drawing state & current state are identical
     mDrawingState = mCurrentState;
@@ -219,6 +220,9 @@
     }
 
     mFlinger->markLayerPendingRemovalLocked(this);
+    if (hasInput()) {
+        mFlinger->dirtyInput();
+    }
 }
 
 void Layer::onRemovedFromCurrentState() {
@@ -1334,6 +1338,44 @@
     return true;
 }
 
+void Layer::updateTreeHasFrameRateVote() {
+    const auto traverseTree = [&](const LayerVector::Visitor& visitor) {
+        auto parent = getParent();
+        while (parent) {
+            visitor(parent.get());
+            parent = parent->getParent();
+        }
+
+        traverse(LayerVector::StateSet::Current, visitor);
+    };
+
+    // update parents and children about the vote
+    // First traverse the tree and count how many layers has votes
+    int layersWithVote = 0;
+    traverseTree([&layersWithVote](Layer* layer) {
+        if (layer->mCurrentState.frameRate.rate > 0 ||
+            layer->mCurrentState.frameRate.type == FrameRateCompatibility::NoVote) {
+            layersWithVote++;
+        }
+    });
+
+    // Now update the other layers
+    bool transactionNeeded = false;
+    traverseTree([layersWithVote, &transactionNeeded](Layer* layer) {
+        if (layer->mCurrentState.treeHasFrameRateVote != layersWithVote > 0) {
+            layer->mCurrentState.sequence++;
+            layer->mCurrentState.treeHasFrameRateVote = layersWithVote > 0;
+            layer->mCurrentState.modified = true;
+            layer->setTransactionFlags(eTransactionNeeded);
+            transactionNeeded = true;
+        }
+    });
+
+    if (transactionNeeded) {
+        mFlinger->setTransactionFlags(eTraversalNeeded);
+    }
+}
+
 bool Layer::setFrameRate(FrameRate frameRate) {
     if (!mFlinger->useFrameRateApi) {
         return false;
@@ -1345,12 +1387,26 @@
     mCurrentState.sequence++;
     mCurrentState.frameRate = frameRate;
     mCurrentState.modified = true;
+
+    updateTreeHasFrameRateVote();
+
     setTransactionFlags(eTransactionNeeded);
     return true;
 }
 
-Layer::FrameRate Layer::getFrameRate() const {
-    return getDrawingState().frameRate;
+Layer::FrameRate Layer::getFrameRateForLayerTree() const {
+    const auto frameRate = getDrawingState().frameRate;
+    if (frameRate.rate > 0 || frameRate.type == FrameRateCompatibility::NoVote) {
+        return frameRate;
+    }
+
+    // This layer doesn't have a frame rate. If one of its ancestors or successors
+    // have a vote, return a NoVote for ancestors/successors to set the vote
+    if (getDrawingState().treeHasFrameRateVote) {
+        return {0, FrameRateCompatibility::NoVote};
+    }
+
+    return frameRate;
 }
 
 void Layer::deferTransactionUntil_legacy(const sp<Layer>& barrierLayer, uint64_t frameNumber) {
@@ -1608,6 +1664,7 @@
 
     mCurrentChildren.add(layer);
     layer->setParent(this);
+    updateTreeHasFrameRateVote();
 }
 
 ssize_t Layer::removeChild(const sp<Layer>& layer) {
@@ -1615,7 +1672,24 @@
     setTransactionFlags(eTransactionNeeded);
 
     layer->setParent(nullptr);
-    return mCurrentChildren.remove(layer);
+    const auto removeResult = mCurrentChildren.remove(layer);
+
+    updateTreeHasFrameRateVote();
+    layer->updateTreeHasFrameRateVote();
+
+    return removeResult;
+}
+
+void Layer::reparentChildren(const sp<Layer>& newParent) {
+    if (attachChildren()) {
+        setTransactionFlags(eTransactionNeeded);
+    }
+
+    for (const sp<Layer>& child : mCurrentChildren) {
+        newParent->addChild(child);
+    }
+    mCurrentChildren.clear();
+    updateTreeHasFrameRateVote();
 }
 
 bool Layer::reparentChildren(const sp<IBinder>& newParentHandle) {
@@ -1631,13 +1705,7 @@
         return false;
     }
 
-    if (attachChildren()) {
-        setTransactionFlags(eTransactionNeeded);
-    }
-    for (const sp<Layer>& child : mCurrentChildren) {
-        newParent->addChild(child);
-    }
-    mCurrentChildren.clear();
+    reparentChildren(newParent);
 
     return true;
 }
diff --git a/services/surfaceflinger/Layer.h b/services/surfaceflinger/Layer.h
index e21a866..be80f78 100644
--- a/services/surfaceflinger/Layer.h
+++ b/services/surfaceflinger/Layer.h
@@ -259,6 +259,9 @@
         int32_t frameRateSelectionPriority;
 
         FrameRate frameRate;
+
+        // Indicates whether parents / children of this layer had set FrameRate
+        bool treeHasFrameRateVote;
     };
 
     explicit Layer(const LayerCreationArgs& args);
@@ -344,7 +347,8 @@
     virtual void deferTransactionUntil_legacy(const sp<Layer>& barrierLayer, uint64_t frameNumber);
     virtual bool setOverrideScalingMode(int32_t overrideScalingMode);
     virtual bool setMetadata(const LayerMetadata& data);
-    virtual bool reparentChildren(const sp<IBinder>& layer);
+    bool reparentChildren(const sp<IBinder>& newParentHandle);
+    void reparentChildren(const sp<Layer>& newParent);
     virtual void setChildrenDrawingParent(const sp<Layer>& layer);
     virtual bool reparent(const sp<IBinder>& newParentHandle);
     virtual bool detachChildren();
@@ -801,7 +805,7 @@
     Rect getCroppedBufferSize(const Layer::State& s) const;
 
     bool setFrameRate(FrameRate frameRate);
-    virtual FrameRate getFrameRate() const;
+    virtual FrameRate getFrameRateForLayerTree() const;
 
 protected:
     // constant
@@ -830,6 +834,7 @@
     // For unit tests
     friend class TestableSurfaceFlinger;
     friend class RefreshRateSelectionTest;
+    friend class SetFrameRateTest;
 
     virtual void commitTransaction(const State& stateToCommit);
 
@@ -1017,6 +1022,8 @@
     LayerVector makeChildrenTraversalList(LayerVector::StateSet stateSet,
                                           const std::vector<Layer*>& layersInTree);
 
+    void updateTreeHasFrameRateVote();
+
     // Cached properties computed from drawing state
     // Effective transform taking into account parent transforms and any parent scaling.
     ui::Transform mEffectiveTransform;
diff --git a/services/surfaceflinger/LayerRejecter.cpp b/services/surfaceflinger/LayerRejecter.cpp
index d3364a0..e6c8654 100644
--- a/services/surfaceflinger/LayerRejecter.cpp
+++ b/services/surfaceflinger/LayerRejecter.cpp
@@ -120,7 +120,7 @@
     // We latch the transparent region here, instead of above where we latch
     // the rest of the geometry because it is only content but not necessarily
     // resize dependent.
-    if (!mFront.activeTransparentRegion_legacy.isTriviallyEqual(
+    if (!mFront.activeTransparentRegion_legacy.hasSameRects(
                 mFront.requestedTransparentRegion_legacy)) {
         mFront.activeTransparentRegion_legacy = mFront.requestedTransparentRegion_legacy;
 
diff --git a/services/surfaceflinger/RegionSamplingThread.cpp b/services/surfaceflinger/RegionSamplingThread.cpp
index 0031d70..68cd84f 100644
--- a/services/surfaceflinger/RegionSamplingThread.cpp
+++ b/services/surfaceflinger/RegionSamplingThread.cpp
@@ -201,9 +201,10 @@
 
 void RegionSamplingThread::addListener(const Rect& samplingArea, const sp<IBinder>& stopLayerHandle,
                                        const sp<IRegionSamplingListener>& listener) {
-    wp<Layer> stopLayer = stopLayerHandle != nullptr
-            ? static_cast<Layer::Handle*>(stopLayerHandle.get())->owner
-            : nullptr;
+    wp<Layer> stopLayer;
+    if (stopLayerHandle != nullptr && stopLayerHandle->localBinder() != nullptr) {
+        stopLayer = static_cast<Layer::Handle*>(stopLayerHandle.get())->owner;
+    }
 
     sp<IBinder> asBinder = IInterface::asBinder(listener);
     asBinder->linkToDeath(this);
diff --git a/services/surfaceflinger/Scheduler/DispSyncSource.cpp b/services/surfaceflinger/Scheduler/DispSyncSource.cpp
index 776e984..4e3f85f 100644
--- a/services/surfaceflinger/Scheduler/DispSyncSource.cpp
+++ b/services/surfaceflinger/Scheduler/DispSyncSource.cpp
@@ -30,6 +30,7 @@
 #include "EventThread.h"
 
 namespace android {
+using base::StringAppendF;
 
 DispSyncSource::DispSyncSource(DispSync* dispSync, nsecs_t phaseOffset, bool traceVsync,
                                const char* name)
@@ -107,6 +108,12 @@
     }
 }
 
+void DispSyncSource::dump(std::string& result) const {
+    std::lock_guard lock(mVsyncMutex);
+    StringAppendF(&result, "DispSyncSource: %s(%s)\n", mName, mEnabled ? "enabled" : "disabled");
+    mDispSync->dump(result);
+}
+
 } // namespace android
 
 // TODO(b/129481165): remove the #pragma below and fix conversion issues
diff --git a/services/surfaceflinger/Scheduler/DispSyncSource.h b/services/surfaceflinger/Scheduler/DispSyncSource.h
index 328b8c1..f278712 100644
--- a/services/surfaceflinger/Scheduler/DispSyncSource.h
+++ b/services/surfaceflinger/Scheduler/DispSyncSource.h
@@ -36,6 +36,8 @@
     void setCallback(VSyncSource::Callback* callback) override;
     void setPhaseOffset(nsecs_t phaseOffset) override;
 
+    void dump(std::string&) const override;
+
 private:
     // The following method is the implementation of the DispSync::Callback.
     virtual void onDispSyncEvent(nsecs_t when);
@@ -52,7 +54,7 @@
     std::mutex mCallbackMutex;
     VSyncSource::Callback* mCallback GUARDED_BY(mCallbackMutex) = nullptr;
 
-    std::mutex mVsyncMutex;
+    mutable std::mutex mVsyncMutex;
     TracedOrdinal<nsecs_t> mPhaseOffset GUARDED_BY(mVsyncMutex);
     bool mEnabled GUARDED_BY(mVsyncMutex) = false;
 };
diff --git a/services/surfaceflinger/Scheduler/EventThread.cpp b/services/surfaceflinger/Scheduler/EventThread.cpp
index acab5a6..0d6a92e 100644
--- a/services/surfaceflinger/Scheduler/EventThread.cpp
+++ b/services/surfaceflinger/Scheduler/EventThread.cpp
@@ -425,7 +425,12 @@
             // display is off, keep feeding clients at 60 Hz.
             const auto timeout = mState == State::SyntheticVSync ? 16ms : 1000ms;
             if (mCondition.wait_for(lock, timeout) == std::cv_status::timeout) {
-                ALOGW_IF(mState == State::VSync, "Faking VSYNC due to driver stall");
+                if (mState == State::VSync) {
+                    ALOGW("Faking VSYNC due to driver stall for thread %s", mThreadName);
+                    std::string debugInfo = "VsyncSource debug info:\n";
+                    mVSyncSource->dump(debugInfo);
+                    ALOGW("%s", debugInfo.c_str());
+                }
 
                 LOG_FATAL_IF(!mVSyncState);
                 mPendingEvents.push_back(makeVSync(mVSyncState->displayId,
diff --git a/services/surfaceflinger/Scheduler/EventThread.h b/services/surfaceflinger/Scheduler/EventThread.h
index 466234d..98b1876 100644
--- a/services/surfaceflinger/Scheduler/EventThread.h
+++ b/services/surfaceflinger/Scheduler/EventThread.h
@@ -66,6 +66,8 @@
     virtual void setVSyncEnabled(bool enable) = 0;
     virtual void setCallback(Callback* callback) = 0;
     virtual void setPhaseOffset(nsecs_t phaseOffset) = 0;
+
+    virtual void dump(std::string& result) const = 0;
 };
 
 class EventThreadConnection : public BnDisplayEventConnection {
diff --git a/services/surfaceflinger/Scheduler/InjectVSyncSource.h b/services/surfaceflinger/Scheduler/InjectVSyncSource.h
index fa46e6f..31da588 100644
--- a/services/surfaceflinger/Scheduler/InjectVSyncSource.h
+++ b/services/surfaceflinger/Scheduler/InjectVSyncSource.h
@@ -45,6 +45,7 @@
     const char* getName() const override { return "inject"; }
     void setVSyncEnabled(bool) override {}
     void setPhaseOffset(nsecs_t) override {}
+    void dump(std::string&) const override {}
 
 private:
     std::mutex mCallbackMutex;
diff --git a/services/surfaceflinger/Scheduler/LayerHistory.cpp b/services/surfaceflinger/Scheduler/LayerHistory.cpp
index a8e6756..8958d9a 100644
--- a/services/surfaceflinger/Scheduler/LayerHistory.cpp
+++ b/services/surfaceflinger/Scheduler/LayerHistory.cpp
@@ -39,7 +39,7 @@
 namespace {
 
 bool isLayerActive(const Layer& layer, const LayerInfo& info, nsecs_t threshold) {
-    if (layer.getFrameRate().rate > 0) {
+    if (layer.getFrameRateForLayerTree().rate > 0) {
         return layer.isVisible();
     }
     return layer.isVisible() && info.getLastUpdatedTime() >= threshold;
@@ -109,7 +109,7 @@
         // Only use the layer if the reference still exists.
         if (layer || CC_UNLIKELY(mTraceEnabled)) {
             // Check if frame rate was set on layer.
-            const auto frameRate = layer->getFrameRate();
+            const auto frameRate = layer->getFrameRateForLayerTree();
             if (frameRate.rate > 0.f) {
                 const auto voteType = [&]() {
                     switch (frameRate.type) {
diff --git a/services/surfaceflinger/Scheduler/LayerHistoryV2.cpp b/services/surfaceflinger/Scheduler/LayerHistoryV2.cpp
index 6ef6ce4..8b08592 100644
--- a/services/surfaceflinger/Scheduler/LayerHistoryV2.cpp
+++ b/services/surfaceflinger/Scheduler/LayerHistoryV2.cpp
@@ -40,7 +40,7 @@
 namespace {
 
 bool isLayerActive(const Layer& layer, const LayerInfoV2& info, nsecs_t threshold) {
-    if (layer.getFrameRate().rate > 0) {
+    if (layer.getFrameRateForLayerTree().rate > 0) {
         return layer.isVisible();
     }
     return layer.isVisible() && info.getLastUpdatedTime() >= threshold;
@@ -166,7 +166,7 @@
         if (const auto layer = weak.promote(); layer && isLayerActive(*layer, *info, threshold)) {
             i++;
             // Set layer vote if set
-            const auto frameRate = layer->getFrameRate();
+            const auto frameRate = layer->getFrameRateForLayerTree();
             const auto voteType = [&]() {
                 switch (frameRate.type) {
                     case Layer::FrameRateCompatibility::Default:
@@ -212,7 +212,5 @@
     for (const auto& [layer, info] : activeLayers()) {
         info->clearHistory();
     }
-
-    mActiveLayersEnd = 0;
 }
 } // namespace android::scheduler::impl
diff --git a/services/surfaceflinger/Scheduler/PhaseOffsets.cpp b/services/surfaceflinger/Scheduler/PhaseOffsets.cpp
index c04447d..43883fb 100644
--- a/services/surfaceflinger/Scheduler/PhaseOffsets.cpp
+++ b/services/surfaceflinger/Scheduler/PhaseOffsets.cpp
@@ -36,6 +36,19 @@
     return std::abs(fpsA - fpsB) <= MARGIN;
 }
 
+std::vector<float> getRefreshRatesFromConfigs(
+        const android::scheduler::RefreshRateConfigs& refreshRateConfigs) {
+    const auto& allRefreshRates = refreshRateConfigs.getAllRefreshRates();
+    std::vector<float> refreshRates;
+    refreshRates.reserve(allRefreshRates.size());
+
+    for (const auto& [ignored, refreshRate] : allRefreshRates) {
+        refreshRates.emplace_back(refreshRate->fps);
+    }
+
+    return refreshRates;
+}
+
 } // namespace
 
 namespace android::scheduler {
@@ -45,14 +58,21 @@
 namespace impl {
 
 PhaseOffsets::PhaseOffsets(const scheduler::RefreshRateConfigs& refreshRateConfigs)
-      : // Below defines the threshold when an offset is considered to be negative, i.e. targeting
-        // for the N+2 vsync instead of N+1. This means that:
-        // For offset < threshold, SF wake up (vsync_duration - offset) before HW vsync.
-        // For offset >= threshold, SF wake up (2 * vsync_duration - offset) before HW vsync.
-        mThresholdForNextVsync(getProperty("debug.sf.phase_offset_threshold_for_next_vsync_ns")
-                                       .value_or(std::numeric_limits<nsecs_t>::max())),
-        mOffsets(initializeOffsets(refreshRateConfigs)),
-        mRefreshRateFps(refreshRateConfigs.getCurrentRefreshRate().fps) {}
+      : PhaseOffsets(getRefreshRatesFromConfigs(refreshRateConfigs),
+                     refreshRateConfigs.getCurrentRefreshRate().fps,
+                     // Below defines the threshold when an offset is considered to be negative,
+                     // i.e. targeting for the N+2 vsync instead of N+1. This means that: For offset
+                     // < threshold, SF wake up (vsync_duration - offset) before HW vsync. For
+                     // offset >= threshold, SF wake up (2 * vsync_duration - offset) before HW
+                     // vsync.
+                     getProperty("debug.sf.phase_offset_threshold_for_next_vsync_ns")
+                             .value_or(std::numeric_limits<nsecs_t>::max())) {}
+
+PhaseOffsets::PhaseOffsets(const std::vector<float>& refreshRates, float currentFps,
+                           nsecs_t thresholdForNextVsync)
+      : mThresholdForNextVsync(thresholdForNextVsync),
+        mOffsets(initializeOffsets(refreshRates)),
+        mRefreshRateFps(currentFps) {}
 
 void PhaseOffsets::dump(std::string& result) const {
     const auto [early, earlyGl, late] = getCurrentOffsets();
@@ -67,19 +87,24 @@
 }
 
 std::unordered_map<float, PhaseOffsets::Offsets> PhaseOffsets::initializeOffsets(
-        const scheduler::RefreshRateConfigs& refreshRateConfigs) const {
+        const std::vector<float>& refreshRates) const {
     std::unordered_map<float, Offsets> offsets;
 
-    for (const auto& [ignored, refreshRate] : refreshRateConfigs.getAllRefreshRates()) {
-        if (refreshRate->fps > 65.0f) {
-            offsets.emplace(refreshRate->fps, getHighFpsOffsets(refreshRate->vsyncPeriod));
-        } else {
-            offsets.emplace(refreshRate->fps, getDefaultOffsets(refreshRate->vsyncPeriod));
-        }
+    for (const auto& refreshRate : refreshRates) {
+        offsets.emplace(refreshRate,
+                        getPhaseOffsets(refreshRate, static_cast<nsecs_t>(1e9f / refreshRate)));
     }
     return offsets;
 }
 
+PhaseOffsets::Offsets PhaseOffsets::getPhaseOffsets(float fps, nsecs_t vsyncPeriod) const {
+    if (fps > 65.0f) {
+        return getHighFpsOffsets(vsyncPeriod);
+    } else {
+        return getDefaultOffsets(vsyncPeriod);
+    }
+}
+
 PhaseOffsets::Offsets PhaseOffsets::getDefaultOffsets(nsecs_t vsyncDuration) const {
     const int64_t vsyncPhaseOffsetNs = sysprop::vsync_event_phase_offset_ns(1000000);
     const int64_t sfVsyncPhaseOffsetNs = sysprop::vsync_sf_event_phase_offset_ns(1000000);
@@ -159,8 +184,15 @@
                                    [&fps](const std::pair<float, Offsets>& candidateFps) {
                                        return fpsEqualsWithMargin(fps, candidateFps.first);
                                    });
-    LOG_ALWAYS_FATAL_IF(iter == mOffsets.end());
-    return iter->second;
+
+    if (iter != mOffsets.end()) {
+        return iter->second;
+    }
+
+    // Unknown refresh rate. This might happen if we get a hotplug event for an external display.
+    // In this case just construct the offset.
+    ALOGW("Can't find offset for %.2f fps", fps);
+    return getPhaseOffsets(fps, static_cast<nsecs_t>(1e9f / fps));
 }
 
 static void validateSysprops() {
@@ -231,19 +263,6 @@
     };
 }
 
-static std::vector<float> getRefreshRatesFromConfigs(
-        const android::scheduler::RefreshRateConfigs& refreshRateConfigs) {
-    const auto& allRefreshRates = refreshRateConfigs.getAllRefreshRates();
-    std::vector<float> refreshRates;
-    refreshRates.reserve(allRefreshRates.size());
-
-    for (const auto& [ignored, refreshRate] : allRefreshRates) {
-        refreshRates.emplace_back(refreshRate->fps);
-    }
-
-    return refreshRates;
-}
-
 std::unordered_map<float, PhaseDurations::Offsets> PhaseDurations::initializeOffsets(
         const std::vector<float>& refreshRates) const {
     std::unordered_map<float, Offsets> offsets;
@@ -288,8 +307,7 @@
         return iter->second;
     }
 
-    // Unknown refresh rate. This might happen if we get a hotplug event for the default display.
-    // This happens only during tests and not during regular device operation.
+    // Unknown refresh rate. This might happen if we get a hotplug event for an external display.
     // In this case just construct the offset.
     ALOGW("Can't find offset for %.2f fps", fps);
     return constructOffsets(static_cast<nsecs_t>(1e9f / fps));
diff --git a/services/surfaceflinger/Scheduler/PhaseOffsets.h b/services/surfaceflinger/Scheduler/PhaseOffsets.h
index b7d4eae..fa8011d 100644
--- a/services/surfaceflinger/Scheduler/PhaseOffsets.h
+++ b/services/surfaceflinger/Scheduler/PhaseOffsets.h
@@ -66,11 +66,15 @@
     // Returns current offsets in human friendly format.
     void dump(std::string& result) const override;
 
-private:
+protected:
+    // Used for unit tests
+    PhaseOffsets(const std::vector<float>& refreshRates, float currentFps,
+                 nsecs_t thresholdForNextVsync);
     std::unordered_map<float, Offsets> initializeOffsets(
-            const scheduler::RefreshRateConfigs&) const;
-    Offsets getDefaultOffsets(nsecs_t vsyncDuration) const;
-    Offsets getHighFpsOffsets(nsecs_t vsyncDuration) const;
+            const std::vector<float>& refreshRates) const;
+    Offsets getDefaultOffsets(nsecs_t vsyncPeriod) const;
+    Offsets getHighFpsOffsets(nsecs_t vsyncPeriod) const;
+    Offsets getPhaseOffsets(float fps, nsecs_t vsyncPeriod) const;
 
     const nsecs_t mThresholdForNextVsync;
     const std::unordered_map<float, Offsets> mOffsets;
diff --git a/services/surfaceflinger/Scheduler/RefreshRateConfigs.cpp b/services/surfaceflinger/Scheduler/RefreshRateConfigs.cpp
index 9edbaee..02d0b53 100644
--- a/services/surfaceflinger/Scheduler/RefreshRateConfigs.cpp
+++ b/services/surfaceflinger/Scheduler/RefreshRateConfigs.cpp
@@ -23,6 +23,9 @@
 #include <chrono>
 #include <cmath>
 
+#undef LOG_TAG
+#define LOG_TAG "RefreshRateConfigs"
+
 namespace android::scheduler {
 
 using AllRefreshRatesMapType = RefreshRateConfigs::AllRefreshRatesMapType;
@@ -95,22 +98,19 @@
 }
 
 const RefreshRate& RefreshRateConfigs::getRefreshRateForContentV2(
-        const std::vector<LayerRequirement>& layers, bool touchActive) const {
+        const std::vector<LayerRequirement>& layers, bool touchActive,
+        bool* touchConsidered) const {
     ATRACE_CALL();
     ALOGV("getRefreshRateForContent %zu layers", layers.size());
 
+    *touchConsidered = false;
     std::lock_guard lock(mLock);
 
-    // For now if the touch is active return the peak refresh rate
-    // This should be optimized to consider other layers as well.
-    if (touchActive) {
-        return *mAvailableRefreshRates.back();
-    }
-
     // If there are not layers, there is not content detection, so return the current
     // refresh rate.
     if (layers.empty()) {
-        return getCurrentRefreshRateByPolicyLocked();
+        *touchConsidered = touchActive;
+        return touchActive ? *mAvailableRefreshRates.back() : getCurrentRefreshRateByPolicyLocked();
     }
 
     int noVoteLayers = 0;
@@ -118,17 +118,30 @@
     int maxVoteLayers = 0;
     int explicitDefaultVoteLayers = 0;
     int explicitExactOrMultipleVoteLayers = 0;
+    float maxExplicitWeight = 0;
     for (const auto& layer : layers) {
-        if (layer.vote == LayerVoteType::NoVote)
+        if (layer.vote == LayerVoteType::NoVote) {
             noVoteLayers++;
-        else if (layer.vote == LayerVoteType::Min)
+        } else if (layer.vote == LayerVoteType::Min) {
             minVoteLayers++;
-        else if (layer.vote == LayerVoteType::Max)
+        } else if (layer.vote == LayerVoteType::Max) {
             maxVoteLayers++;
-        else if (layer.vote == LayerVoteType::ExplicitDefault)
+        } else if (layer.vote == LayerVoteType::ExplicitDefault) {
             explicitDefaultVoteLayers++;
-        else if (layer.vote == LayerVoteType::ExplicitExactOrMultiple)
+            maxExplicitWeight = std::max(maxExplicitWeight, layer.weight);
+        } else if (layer.vote == LayerVoteType::ExplicitExactOrMultiple) {
             explicitExactOrMultipleVoteLayers++;
+            maxExplicitWeight = std::max(maxExplicitWeight, layer.weight);
+        }
+    }
+
+    // Consider the touch event if there are no ExplicitDefault layers.
+    // ExplicitDefault are mostly interactive (as opposed to ExplicitExactOrMultiple)
+    // and therefore if those posted an explicit vote we should not change it
+    // if get get a touch event.
+    if (touchActive && explicitDefaultVoteLayers == 0) {
+        *touchConsidered = true;
+        return *mAvailableRefreshRates.back();
     }
 
     // Only if all layers want Min we should return Min
@@ -168,16 +181,17 @@
             const auto layerPeriod = round<nsecs_t>(1e9f / layer.desiredRefreshRate);
             if (layer.vote == LayerVoteType::ExplicitDefault) {
                 const auto layerScore = [&]() {
-                    const auto [displayFramesQuot, displayFramesRem] =
-                            getDisplayFrames(layerPeriod, displayPeriod);
-                    if (displayFramesQuot == 0) {
-                        // Layer desired refresh rate is higher the display rate.
-                        return static_cast<float>(layerPeriod) / static_cast<float>(displayPeriod);
+                    // Find the actual rate the layer will render, assuming
+                    // that layerPeriod is the minimal time to render a frame
+                    auto actualLayerPeriod = displayPeriod;
+                    int multiplier = 1;
+                    while (layerPeriod > actualLayerPeriod + MARGIN_FOR_PERIOD_CALCULATION) {
+                        multiplier++;
+                        actualLayerPeriod = displayPeriod * multiplier;
                     }
-
-                    return 1.0f -
-                            (static_cast<float>(displayFramesRem) /
-                             static_cast<float>(layerPeriod));
+                    return std::min(1.0f,
+                                    static_cast<float>(layerPeriod) /
+                                            static_cast<float>(actualLayerPeriod));
                 }();
 
                 ALOGV("%s (ExplicitDefault, weight %.2f) %.2fHz gives %s score of %.2f",
@@ -240,6 +254,7 @@
 
 template <typename Iter>
 const RefreshRate* RefreshRateConfigs::getBestRefreshRate(Iter begin, Iter end) const {
+    constexpr auto EPSILON = 0.001f;
     const RefreshRate* bestRefreshRate = begin->first;
     float max = begin->second;
     for (auto i = begin; i != end; ++i) {
@@ -248,7 +263,7 @@
 
         ATRACE_INT(refreshRate->name.c_str(), round<int>(score * 100));
 
-        if (score > max) {
+        if (score > max * (1 + EPSILON)) {
             max = score;
             bestRefreshRate = refreshRate;
         }
diff --git a/services/surfaceflinger/Scheduler/RefreshRateConfigs.h b/services/surfaceflinger/Scheduler/RefreshRateConfigs.h
index 9cd5959..87d4389 100644
--- a/services/surfaceflinger/Scheduler/RefreshRateConfigs.h
+++ b/services/surfaceflinger/Scheduler/RefreshRateConfigs.h
@@ -137,9 +137,11 @@
 
     // Returns the refresh rate that fits best to the given layers. This function also gets a
     // boolean flag that indicates whether user touched the screen recently to be factored in when
-    // choosing the refresh rate.
+    // choosing the refresh rate and returns whether the refresh rate was chosen as a result of
+    // a touch event.
     const RefreshRate& getRefreshRateForContentV2(const std::vector<LayerRequirement>& layers,
-                                                  bool touchActive) const EXCLUDES(mLock);
+                                                  bool touchActive, bool* touchConsidered) const
+            EXCLUDES(mLock);
 
     // Returns all the refresh rates supported by the device. This won't change at runtime.
     const AllRefreshRatesMapType& getAllRefreshRates() const EXCLUDES(mLock);
diff --git a/services/surfaceflinger/Scheduler/Scheduler.cpp b/services/surfaceflinger/Scheduler/Scheduler.cpp
index 96fa061..cd6075f 100644
--- a/services/surfaceflinger/Scheduler/Scheduler.cpp
+++ b/services/surfaceflinger/Scheduler/Scheduler.cpp
@@ -419,20 +419,6 @@
                                          mRefreshRateConfigs.getMaxRefreshRate().fps,
                                          scheduler::LayerHistory::LayerVoteType::Heuristic);
         }
-
-        // TODO(146935143): Simulate youtube app vote. This should be removed once youtube calls the
-        // API to set desired rate
-        {
-            const auto vote = property_get_int32("experimental.sf.force_youtube_vote", 0);
-            if (vote != 0 &&
-                layer->getName() ==
-                        "SurfaceView - "
-                        "com.google.android.youtube/"
-                        "com.google.android.apps.youtube.app.WatchWhileActivity#0") {
-                layer->setFrameRate(
-                        Layer::FrameRate(vote, Layer::FrameRateCompatibility::ExactOrMultiple));
-            }
-        }
     }
 }
 
@@ -483,7 +469,7 @@
     // that is currently on top. b/142507166 will give us this capability.
     std::lock_guard<std::mutex> lock(mFeatureStateLock);
     if (mLayerHistory) {
-        mLayerHistory->clear();
+        // Layer History will be cleared based on RefreshRateConfigs::getRefreshRateForContentV2
 
         mTouchTimer->reset();
 
@@ -620,10 +606,21 @@
         return mRefreshRateConfigs.getRefreshRateForContent(mFeatures.contentRequirements).configId;
     }
 
-    return mRefreshRateConfigs
-            .getRefreshRateForContentV2(mFeatures.contentRequirements,
-                                        mTouchTimer && mFeatures.touch == TouchState::Active)
-            .configId;
+    bool touchConsidered;
+    const auto& ret =
+            mRefreshRateConfigs
+                    .getRefreshRateForContentV2(mFeatures.contentRequirements,
+                                                mTouchTimer &&
+                                                        mFeatures.touch == TouchState::Active,
+                                                &touchConsidered)
+                    .configId;
+    if (touchConsidered) {
+        // Clear layer history if refresh rate was selected based on touch to allow
+        // the hueristic to pick up with the new rate.
+        mLayerHistory->clear();
+    }
+
+    return ret;
 }
 
 std::optional<HwcConfigIndexType> Scheduler::getPreferredConfigId() {
diff --git a/services/surfaceflinger/Scheduler/VSyncDispatch.h b/services/surfaceflinger/Scheduler/VSyncDispatch.h
index a6fb3a4..2a2d7c5 100644
--- a/services/surfaceflinger/Scheduler/VSyncDispatch.h
+++ b/services/surfaceflinger/Scheduler/VSyncDispatch.h
@@ -108,6 +108,8 @@
      */
     virtual CancelResult cancel(CallbackToken token) = 0;
 
+    virtual void dump(std::string& result) const = 0;
+
 protected:
     VSyncDispatch() = default;
     VSyncDispatch(VSyncDispatch const&) = delete;
diff --git a/services/surfaceflinger/Scheduler/VSyncDispatchTimerQueue.cpp b/services/surfaceflinger/Scheduler/VSyncDispatchTimerQueue.cpp
index d0f18ab..460d4a5 100644
--- a/services/surfaceflinger/Scheduler/VSyncDispatchTimerQueue.cpp
+++ b/services/surfaceflinger/Scheduler/VSyncDispatchTimerQueue.cpp
@@ -15,6 +15,7 @@
  */
 
 #define ATRACE_TAG ATRACE_TAG_GRAPHICS
+#include <android-base/stringprintf.h>
 #include <utils/Trace.h>
 #include <vector>
 
@@ -23,6 +24,7 @@
 #include "VSyncTracker.h"
 
 namespace android::scheduler {
+using base::StringAppendF;
 
 VSyncDispatch::~VSyncDispatch() = default;
 VSyncTracker::~VSyncTracker() = default;
@@ -122,6 +124,28 @@
     mCv.wait(lk, [this]() REQUIRES(mRunningMutex) { return !mRunning; });
 }
 
+void VSyncDispatchTimerQueueEntry::dump(std::string& result) const {
+    std::lock_guard<std::mutex> lk(mRunningMutex);
+    std::string armedInfo;
+    if (mArmedInfo) {
+        StringAppendF(&armedInfo, "[wake up in %.2fms for vsync %.2fms from now]",
+                      (mArmedInfo->mActualWakeupTime - systemTime()) / 1e6f,
+                      (mArmedInfo->mActualVsyncTime - systemTime()) / 1e6f);
+    }
+
+    StringAppendF(&result, "\t\t%s: %s %s\n", mName.c_str(),
+                  mRunning ? "(in callback function)" : "", armedInfo.c_str());
+    StringAppendF(&result, "\t\t\tmWorkDuration: %.2fms mEarliestVsync: %.2fms relative to now\n",
+                  mWorkDuration / 1e6f, (mEarliestVsync - systemTime()) / 1e6f);
+
+    if (mLastDispatchTime) {
+        StringAppendF(&result, "\t\t\tmLastDispatchTime: %.2fms ago\n",
+                      (systemTime() - *mLastDispatchTime) / 1e6f);
+    } else {
+        StringAppendF(&result, "\t\t\tmLastDispatchTime unknown\n");
+    }
+}
+
 VSyncDispatchTimerQueue::VSyncDispatchTimerQueue(std::unique_ptr<TimeKeeper> tk,
                                                  VSyncTracker& tracker, nsecs_t timerSlack,
                                                  nsecs_t minVsyncDistance)
@@ -296,6 +320,18 @@
     return CancelResult::TooLate;
 }
 
+void VSyncDispatchTimerQueue::dump(std::string& result) const {
+    std::lock_guard<decltype(mMutex)> lk(mMutex);
+    StringAppendF(&result, "\tmTimerSlack: %.2fms mMinVsyncDistance: %.2fms\n", mTimerSlack / 1e6f,
+                  mMinVsyncDistance / 1e6f);
+    StringAppendF(&result, "\tmIntendedWakeupTime: %.2fms from now\n",
+                  (mIntendedWakeupTime - systemTime()) / 1e6f);
+    StringAppendF(&result, "\tCallbacks:\n");
+    for (const auto& [token, entry] : mCallbacks) {
+        entry->dump(result);
+    }
+}
+
 VSyncCallbackRegistration::VSyncCallbackRegistration(VSyncDispatch& dispatch,
                                                      VSyncDispatch::Callback const& callbackFn,
                                                      std::string const& callbackName)
diff --git a/services/surfaceflinger/Scheduler/VSyncDispatchTimerQueue.h b/services/surfaceflinger/Scheduler/VSyncDispatchTimerQueue.h
index fd0a034..390e0c4 100644
--- a/services/surfaceflinger/Scheduler/VSyncDispatchTimerQueue.h
+++ b/services/surfaceflinger/Scheduler/VSyncDispatchTimerQueue.h
@@ -71,6 +71,8 @@
     // Block calling thread while the callback is executing.
     void ensureNotRunning();
 
+    void dump(std::string& result) const;
+
 private:
     std::string const mName;
     VSyncDispatch::Callback const mCallback;
@@ -86,7 +88,7 @@
     std::optional<ArmingInfo> mArmedInfo;
     std::optional<nsecs_t> mLastDispatchTime;
 
-    std::mutex mRunningMutex;
+    mutable std::mutex mRunningMutex;
     std::condition_variable mCv;
     bool mRunning GUARDED_BY(mRunningMutex) = false;
 };
@@ -112,6 +114,7 @@
     void unregisterCallback(CallbackToken token) final;
     ScheduleResult schedule(CallbackToken token, nsecs_t workDuration, nsecs_t earliestVsync) final;
     CancelResult cancel(CallbackToken token) final;
+    void dump(std::string& result) const final;
 
 private:
     VSyncDispatchTimerQueue(VSyncDispatchTimerQueue const&) = delete;
diff --git a/services/surfaceflinger/Scheduler/VSyncPredictor.cpp b/services/surfaceflinger/Scheduler/VSyncPredictor.cpp
index 399da19..a3cb772 100644
--- a/services/surfaceflinger/Scheduler/VSyncPredictor.cpp
+++ b/services/surfaceflinger/Scheduler/VSyncPredictor.cpp
@@ -22,6 +22,7 @@
 //#define LOG_NDEBUG 0
 #include "VSyncPredictor.h"
 #include <android-base/logging.h>
+#include <android-base/stringprintf.h>
 #include <cutils/compiler.h>
 #include <cutils/properties.h>
 #include <utils/Log.h>
@@ -31,6 +32,7 @@
 #include <sstream>
 
 namespace android::scheduler {
+using base::StringAppendF;
 
 static auto constexpr kMaxPercent = 100u;
 
@@ -115,10 +117,10 @@
     auto it = mRateMap.find(mIdealPeriod);
     auto const currentPeriod = std::get<0>(it->second);
     // TODO (b/144707443): its important that there's some precision in the mean of the ordinals
-    //                     for the intercept calculation, so scale the ordinals by 10 to continue
+    //                     for the intercept calculation, so scale the ordinals by 1000 to continue
     //                     fixed point calculation. Explore expanding
     //                     scheduler::utils::calculate_mean to have a fixed point fractional part.
-    static constexpr int kScalingFactor = 10;
+    static constexpr int64_t kScalingFactor = 1000;
 
     for (auto i = 0u; i < mTimestamps.size(); i++) {
         traceInt64If("VSP-ts", mTimestamps[i]);
@@ -147,7 +149,7 @@
         return false;
     }
 
-    nsecs_t const anticipatedPeriod = top / bottom * kScalingFactor;
+    nsecs_t const anticipatedPeriod = top * kScalingFactor / bottom;
     nsecs_t const intercept = meanTS - (anticipatedPeriod * meanOrdinal / kScalingFactor);
 
     auto const percent = std::abs(anticipatedPeriod - mIdealPeriod) * kMaxPercent / mIdealPeriod;
@@ -263,6 +265,18 @@
     clearTimestamps();
 }
 
+void VSyncPredictor::dump(std::string& result) const {
+    std::lock_guard<std::mutex> lk(mMutex);
+    StringAppendF(&result, "\tmIdealPeriod=%.2f\n", mIdealPeriod / 1e6f);
+    StringAppendF(&result, "\tRefresh Rate Map:\n");
+    for (const auto& [idealPeriod, periodInterceptTuple] : mRateMap) {
+        StringAppendF(&result,
+                      "\t\tFor ideal period %.2fms: period = %.2fms, intercept = %" PRId64 "\n",
+                      idealPeriod / 1e6f, std::get<0>(periodInterceptTuple) / 1e6f,
+                      std::get<1>(periodInterceptTuple));
+    }
+}
+
 } // namespace android::scheduler
 
 // TODO(b/129481165): remove the #pragma below and fix conversion issues
diff --git a/services/surfaceflinger/Scheduler/VSyncPredictor.h b/services/surfaceflinger/Scheduler/VSyncPredictor.h
index ef1d88a..3ca878d 100644
--- a/services/surfaceflinger/Scheduler/VSyncPredictor.h
+++ b/services/surfaceflinger/Scheduler/VSyncPredictor.h
@@ -60,6 +60,8 @@
 
     std::tuple<nsecs_t /* slope */, nsecs_t /* intercept */> getVSyncPredictionModel() const;
 
+    void dump(std::string& result) const final;
+
 private:
     VSyncPredictor(VSyncPredictor const&) = delete;
     VSyncPredictor& operator=(VSyncPredictor const&) = delete;
diff --git a/services/surfaceflinger/Scheduler/VSyncReactor.cpp b/services/surfaceflinger/Scheduler/VSyncReactor.cpp
index 8987dcd..892ae62 100644
--- a/services/surfaceflinger/Scheduler/VSyncReactor.cpp
+++ b/services/surfaceflinger/Scheduler/VSyncReactor.cpp
@@ -28,6 +28,7 @@
 #include "VSyncTracker.h"
 
 namespace android::scheduler {
+using base::StringAppendF;
 
 Clock::~Clock() = default;
 nsecs_t SystemClock::now() const {
@@ -73,11 +74,12 @@
 public:
     CallbackRepeater(VSyncDispatch& dispatch, DispSync::Callback* cb, const char* name,
                      nsecs_t period, nsecs_t offset, nsecs_t notBefore)
-          : mCallback(cb),
+          : mName(name),
+            mCallback(cb),
             mRegistration(dispatch,
                           std::bind(&CallbackRepeater::callback, this, std::placeholders::_1,
                                     std::placeholders::_2),
-                          std::string(name)),
+                          mName),
             mPeriod(period),
             mOffset(offset),
             mLastCallTime(notBefore) {}
@@ -112,6 +114,13 @@
         mRegistration.cancel();
     }
 
+    void dump(std::string& result) const {
+        std::lock_guard<std::mutex> lk(mMutex);
+        StringAppendF(&result, "\t%s: mPeriod=%.2f last vsync time %.2fms relative to now (%s)\n",
+                      mName.c_str(), mPeriod / 1e6f, (mLastCallTime - systemTime()) / 1e6f,
+                      mStopped ? "stopped" : "running");
+    }
+
 private:
     void callback(nsecs_t vsynctime, nsecs_t wakeupTime) {
         {
@@ -137,6 +146,7 @@
     // Note change in sign between the two defnitions.
     nsecs_t calculateWorkload() REQUIRES(mMutex) { return mPeriod - mOffset; }
 
+    const std::string mName;
     DispSync::Callback* const mCallback;
 
     std::mutex mutable mMutex;
@@ -349,7 +359,35 @@
 }
 
 void VSyncReactor::dump(std::string& result) const {
-    result += "VsyncReactor in use\n"; // TODO (b/144927823): add more information!
+    std::lock_guard<std::mutex> lk(mMutex);
+    StringAppendF(&result, "VsyncReactor in use\n");
+    StringAppendF(&result, "Has %zu unfired fences\n", mUnfiredFences.size());
+    StringAppendF(&result, "mInternalIgnoreFences=%d mExternalIgnoreFences=%d\n",
+                  mInternalIgnoreFences, mExternalIgnoreFences);
+    StringAppendF(&result, "mMoreSamplesNeeded=%d mPeriodConfirmationInProgress=%d\n",
+                  mMoreSamplesNeeded, mPeriodConfirmationInProgress);
+    if (mPeriodTransitioningTo) {
+        StringAppendF(&result, "mPeriodTransitioningTo=%" PRId64 "\n", *mPeriodTransitioningTo);
+    } else {
+        StringAppendF(&result, "mPeriodTransitioningTo=nullptr\n");
+    }
+
+    if (mLastHwVsync) {
+        StringAppendF(&result, "Last HW vsync was %.2fms ago\n",
+                      (mClock->now() - *mLastHwVsync) / 1e6f);
+    } else {
+        StringAppendF(&result, "No Last HW vsync\n");
+    }
+
+    StringAppendF(&result, "CallbackRepeaters:\n");
+    for (const auto& [callback, repeater] : mCallbacks) {
+        repeater->dump(result);
+    }
+
+    StringAppendF(&result, "VSyncTracker:\n");
+    mTracker->dump(result);
+    StringAppendF(&result, "VSyncDispatch:\n");
+    mDispatch->dump(result);
 }
 
 void VSyncReactor::reset() {}
diff --git a/services/surfaceflinger/Scheduler/VSyncReactor.h b/services/surfaceflinger/Scheduler/VSyncReactor.h
index 7d8a8e3..5ee29f8 100644
--- a/services/surfaceflinger/Scheduler/VSyncReactor.h
+++ b/services/surfaceflinger/Scheduler/VSyncReactor.h
@@ -75,7 +75,7 @@
     std::unique_ptr<VSyncDispatch> const mDispatch;
     size_t const mPendingLimit;
 
-    std::mutex mMutex;
+    mutable std::mutex mMutex;
     bool mInternalIgnoreFences GUARDED_BY(mMutex) = false;
     bool mExternalIgnoreFences GUARDED_BY(mMutex) = false;
     std::vector<std::shared_ptr<FenceTime>> mUnfiredFences GUARDED_BY(mMutex);
diff --git a/services/surfaceflinger/Scheduler/VSyncTracker.h b/services/surfaceflinger/Scheduler/VSyncTracker.h
index a25b8a9..05a6fc3 100644
--- a/services/surfaceflinger/Scheduler/VSyncTracker.h
+++ b/services/surfaceflinger/Scheduler/VSyncTracker.h
@@ -66,6 +66,8 @@
     /* Inform the tracker that the samples it has are not accurate for prediction. */
     virtual void resetModel() = 0;
 
+    virtual void dump(std::string& result) const = 0;
+
 protected:
     VSyncTracker(VSyncTracker const&) = delete;
     VSyncTracker& operator=(VSyncTracker const&) = delete;
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index ffb8ae9..dd2be7c 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -217,6 +217,8 @@
 bool SurfaceFlinger::hasSyncFramework;
 bool SurfaceFlinger::useVrFlinger;
 int64_t SurfaceFlinger::maxFrameBufferAcquiredBuffers;
+uint32_t SurfaceFlinger::maxGraphicsWidth;
+uint32_t SurfaceFlinger::maxGraphicsHeight;
 bool SurfaceFlinger::hasWideColorDisplay;
 ui::Rotation SurfaceFlinger::internalDisplayOrientation = ui::ROTATION_0;
 bool SurfaceFlinger::useColorManagement;
@@ -283,6 +285,9 @@
 
     maxFrameBufferAcquiredBuffers = max_frame_buffer_acquired_buffers(2);
 
+    maxGraphicsWidth = std::max(max_graphics_width(0), 0);
+    maxGraphicsHeight = std::max(max_graphics_height(0), 0);
+
     hasWideColorDisplay = has_wide_color_display(false);
 
     useColorManagement = use_color_management(false);
@@ -359,11 +364,8 @@
 
     property_get("ro.surface_flinger.supports_background_blur", value, "0");
     bool supportsBlurs = atoi(value);
-    property_get("debug.sf.disable_blurs", value, "0");
-    bool disableBlurs = atoi(value);
-    mEnableBlurs = supportsBlurs && !disableBlurs;
-    ALOGI_IF(!mEnableBlurs, "Disabling blur effects. supported: %d, disabled: %d", supportsBlurs,
-             disableBlurs);
+    mSupportsBlur = supportsBlurs;
+    ALOGI_IF(!mSupportsBlur, "Disabling blur effects, they are not supported.");
     property_get("ro.sf.blurs_are_expensive", value, "0");
     mBlursAreExpensive = atoi(value);
 
@@ -404,6 +406,7 @@
 void SurfaceFlinger::binderDied(const wp<IBinder>& /* who */)
 {
     // the window manager died on us. prepare its eulogy.
+    mBootFinished = false;
 
     // restore initial conditions (default device unblank, etc)
     initializeDisplays();
@@ -520,6 +523,11 @@
 
 void SurfaceFlinger::bootFinished()
 {
+    if (mBootFinished == true) {
+        ALOGE("Extra call to bootFinished");
+        return;
+    }
+    mBootFinished = true;
     if (mStartPropertySetThread->join() != NO_ERROR) {
         ALOGE("Join StartPropertySetThread failed!");
     }
@@ -559,6 +567,7 @@
 
     postMessageAsync(new LambdaMessage([this]() NO_THREAD_SAFETY_ANALYSIS {
         readPersistentProperties();
+        mPowerAdvisor.onBootFinished();
         mBootStage = BootStage::FINISHED;
 
         if (property_get_bool("sf.debug.show_refresh_rate_overlay", false)) {
@@ -614,7 +623,7 @@
                 .setUseColorManagerment(useColorManagement)
                 .setEnableProtectedContext(enable_protected_contents(false))
                 .setPrecacheToneMapperShaderOnly(false)
-                .setSupportsBackgroundBlur(mEnableBlurs)
+                .setSupportsBackgroundBlur(mSupportsBlur)
                 .setContextPriority(useContextPriority
                         ? renderengine::RenderEngine::ContextPriority::HIGH
                         : renderengine::RenderEngine::ContextPriority::MEDIUM)
@@ -696,6 +705,11 @@
 
     property_get("persist.sys.sf.color_mode", value, "0");
     mForceColorMode = static_cast<ColorMode>(atoi(value));
+
+    property_get("persist.sys.sf.disable_blurs", value, "0");
+    bool disableBlurs = atoi(value);
+    mDisableBlurs = disableBlurs;
+    ALOGI_IF(disableBlurs, "Disabling blur effects, user preference.");
 }
 
 void SurfaceFlinger::startBootAnim() {
@@ -979,6 +993,9 @@
         return;
     }
 
+    auto& oldRefreshRate =
+            mRefreshRateConfigs->getRefreshRateFromConfigId(display->getActiveConfig());
+
     std::lock_guard<std::mutex> lock(mActiveConfigLock);
     mRefreshRateConfigs->setCurrentConfigId(mUpcomingActiveConfig.configId);
     mRefreshRateStats->setConfigMode(mUpcomingActiveConfig.configId);
@@ -986,6 +1003,9 @@
 
     auto& refreshRate =
             mRefreshRateConfigs->getRefreshRateFromConfigId(mUpcomingActiveConfig.configId);
+    if (refreshRate.vsyncPeriod != oldRefreshRate.vsyncPeriod) {
+        mTimeStats->incrementRefreshRateSwitches();
+    }
     mPhaseConfiguration->setRefreshRateFps(refreshRate.fps);
     mVSyncModulator->setPhaseOffsets(mPhaseConfiguration->getCurrentOffsets());
     ATRACE_INT("ActiveConfigFPS", refreshRate.fps);
@@ -1015,7 +1035,7 @@
     ATRACE_CALL();
     ALOGV("performSetActiveConfig");
     if (mCheckPendingFence) {
-        if (previousFrameMissed()) {
+        if (previousFramePending()) {
             // fence has not signaled yet. wait for the next invalidate
             mEventQueue->invalidate();
             return true;
@@ -1762,13 +1782,17 @@
     setTransactionFlags(eDisplayTransactionNeeded);
 }
 
-bool SurfaceFlinger::previousFrameMissed(int graceTimeMs) NO_THREAD_SAFETY_ANALYSIS {
-    ATRACE_CALL();
+sp<Fence> SurfaceFlinger::previousFrameFence() NO_THREAD_SAFETY_ANALYSIS {
     // We are storing the last 2 present fences. If sf's phase offset is to be
     // woken up before the actual vsync but targeting the next vsync, we need to check
     // fence N-2
-    const sp<Fence>& fence = mVSyncModulator->getOffsets().sf > 0 ? mPreviousPresentFences[0]
-                                                                  : mPreviousPresentFences[1];
+    return mVSyncModulator->getOffsets().sf > 0 ? mPreviousPresentFences[0]
+                                                : mPreviousPresentFences[1];
+}
+
+bool SurfaceFlinger::previousFramePending(int graceTimeMs) NO_THREAD_SAFETY_ANALYSIS {
+    ATRACE_CALL();
+    const sp<Fence>& fence = previousFrameFence();
 
     if (fence == Fence::NO_FENCE) {
         return false;
@@ -1781,6 +1805,16 @@
     return (fence->getStatus() == Fence::Status::Unsignaled);
 }
 
+nsecs_t SurfaceFlinger::previousFramePresentTime() NO_THREAD_SAFETY_ANALYSIS {
+    const sp<Fence>& fence = previousFrameFence();
+
+    if (fence == Fence::NO_FENCE) {
+        return Fence::SIGNAL_TIME_INVALID;
+    }
+
+    return fence->getSignalTime();
+}
+
 void SurfaceFlinger::populateExpectedPresentTime() {
     DisplayStatInfo stats;
     mScheduler->getDisplayStatInfo(&stats);
@@ -1798,6 +1832,7 @@
             // calculate the expected present time once and use the cached
             // value throughout this frame to make sure all layers are
             // seeing this same value.
+            const nsecs_t lastExpectedPresentTime = mExpectedPresentTime.load();
             populateExpectedPresentTime();
 
             // When Backpressure propagation is enabled we want to give a small grace period
@@ -1808,12 +1843,32 @@
                      (mPropagateBackpressureClientComposition || !mHadClientComposition))
                     ? 1
                     : 0;
-            const TracedOrdinal<bool> frameMissed = {"FrameMissed",
-                                                     previousFrameMissed(
-                                                             graceTimeForPresentFenceMs)};
-            const TracedOrdinal<bool> hwcFrameMissed = {"HwcFrameMissed",
+
+            // Pending frames may trigger backpressure propagation.
+            const TracedOrdinal<bool> framePending = {"PrevFramePending",
+                                                      previousFramePending(
+                                                              graceTimeForPresentFenceMs)};
+
+            // Frame missed counts for metrics tracking.
+            // A frame is missed if the prior frame is still pending. If no longer pending,
+            // then we still count the frame as missed if the predicted present time
+            // was further in the past than when the fence actually fired.
+
+            // Add some slop to correct for drift. This should generally be
+            // smaller than a typical frame duration, but should not be so small
+            // that it reports reasonable drift as a missed frame.
+            DisplayStatInfo stats;
+            mScheduler->getDisplayStatInfo(&stats);
+            const nsecs_t frameMissedSlop = stats.vsyncPeriod / 2;
+            const nsecs_t previousPresentTime = previousFramePresentTime();
+            const TracedOrdinal<bool> frameMissed =
+                    {"PrevFrameMissed",
+                     framePending ||
+                             (previousPresentTime >= 0 &&
+                              (lastExpectedPresentTime < previousPresentTime - frameMissedSlop))};
+            const TracedOrdinal<bool> hwcFrameMissed = {"PrevHwcFrameMissed",
                                                         mHadDeviceComposition && frameMissed};
-            const TracedOrdinal<bool> gpuFrameMissed = {"GpuFrameMissed",
+            const TracedOrdinal<bool> gpuFrameMissed = {"PrevGpuFrameMissed",
                                                         mHadClientComposition && frameMissed};
 
             if (frameMissed) {
@@ -1833,7 +1888,7 @@
                 mGpuFrameMissedCount++;
             }
 
-            if (frameMissed && mPropagateBackpressure) {
+            if (framePending && mPropagateBackpressure) {
                 if ((hwcFrameMissed && !gpuFrameMissed) ||
                     mPropagateBackpressureClientComposition) {
                     signalLayerUpdate();
@@ -2336,7 +2391,8 @@
                 }
 
                 DisplayDeviceState state;
-                state.physical = {displayId, getHwComposer().getDisplayConnectionType(displayId)};
+                state.physical = {displayId, getHwComposer().getDisplayConnectionType(displayId),
+                                  event.hwcDisplayId};
                 state.isSecure = true; // All physical displays are currently considered secure.
                 state.displayName = info->name;
 
@@ -2345,6 +2401,12 @@
                 mPhysicalDisplayTokens.emplace(displayId, std::move(token));
 
                 mInterceptor->saveDisplayCreation(state);
+            } else {
+                ALOGV("Recreating display %s", to_string(displayId).c_str());
+
+                const auto token = it->second;
+                auto& state = mCurrentState.displays.editValueFor(token);
+                state.sequenceId = DisplayDeviceState{}.sequenceId;
             }
         } else {
             ALOGV("Removing display %s", to_string(displayId).c_str());
@@ -2372,13 +2434,14 @@
 sp<DisplayDevice> SurfaceFlinger::setupNewDisplayDeviceInternal(
         const wp<IBinder>& displayToken,
         std::shared_ptr<compositionengine::Display> compositionDisplay,
-        const DisplayDeviceState& state, const sp<compositionengine::DisplaySurface>& dispSurface,
+        const DisplayDeviceState& state,
+        const sp<compositionengine::DisplaySurface>& displaySurface,
         const sp<IGraphicBufferProducer>& producer) {
     auto displayId = compositionDisplay->getDisplayId();
     DisplayDeviceCreationArgs creationArgs(this, displayToken, compositionDisplay);
     creationArgs.sequenceId = state.sequenceId;
     creationArgs.isSecure = state.isSecure;
-    creationArgs.displaySurface = dispSurface;
+    creationArgs.displaySurface = displaySurface;
     creationArgs.hasWideColorGamut = false;
     creationArgs.supportedPerFrameMetadata = 0;
 
@@ -2454,6 +2517,143 @@
     return display;
 }
 
+void SurfaceFlinger::processDisplayAdded(const wp<IBinder>& displayToken,
+                                         const DisplayDeviceState& state) {
+    int width = 0;
+    int height = 0;
+    ui::PixelFormat pixelFormat = static_cast<ui::PixelFormat>(PIXEL_FORMAT_UNKNOWN);
+    if (state.physical) {
+        const auto& activeConfig =
+                getCompositionEngine().getHwComposer().getActiveConfig(state.physical->id);
+        width = activeConfig->getWidth();
+        height = activeConfig->getHeight();
+        pixelFormat = static_cast<ui::PixelFormat>(PIXEL_FORMAT_RGBA_8888);
+    } else if (state.surface != nullptr) {
+        int status = state.surface->query(NATIVE_WINDOW_WIDTH, &width);
+        ALOGE_IF(status != NO_ERROR, "Unable to query width (%d)", status);
+        status = state.surface->query(NATIVE_WINDOW_HEIGHT, &height);
+        ALOGE_IF(status != NO_ERROR, "Unable to query height (%d)", status);
+        int intPixelFormat;
+        status = state.surface->query(NATIVE_WINDOW_FORMAT, &intPixelFormat);
+        ALOGE_IF(status != NO_ERROR, "Unable to query format (%d)", status);
+        pixelFormat = static_cast<ui::PixelFormat>(intPixelFormat);
+    } else {
+        // Virtual displays without a surface are dormant:
+        // they have external state (layer stack, projection,
+        // etc.) but no internal state (i.e. a DisplayDevice).
+        return;
+    }
+
+    compositionengine::DisplayCreationArgsBuilder builder;
+    if (const auto& physical = state.physical) {
+        builder.setPhysical({physical->id, physical->type});
+    }
+    builder.setPixels(ui::Size(width, height));
+    builder.setPixelFormat(pixelFormat);
+    builder.setIsSecure(state.isSecure);
+    builder.setLayerStackId(state.layerStack);
+    builder.setPowerAdvisor(&mPowerAdvisor);
+    builder.setUseHwcVirtualDisplays(mUseHwcVirtualDisplays || getHwComposer().isUsingVrComposer());
+    builder.setName(state.displayName);
+    const auto compositionDisplay = getCompositionEngine().createDisplay(builder.build());
+
+    sp<compositionengine::DisplaySurface> displaySurface;
+    sp<IGraphicBufferProducer> producer;
+    sp<IGraphicBufferProducer> bqProducer;
+    sp<IGraphicBufferConsumer> bqConsumer;
+    getFactory().createBufferQueue(&bqProducer, &bqConsumer, /*consumerIsSurfaceFlinger =*/false);
+
+    std::optional<DisplayId> displayId = compositionDisplay->getId();
+
+    if (state.isVirtual()) {
+        sp<VirtualDisplaySurface> vds =
+                new VirtualDisplaySurface(getHwComposer(), displayId, state.surface, bqProducer,
+                                          bqConsumer, state.displayName);
+
+        displaySurface = vds;
+        producer = vds;
+    } else {
+        ALOGE_IF(state.surface != nullptr,
+                 "adding a supported display, but rendering "
+                 "surface is provided (%p), ignoring it",
+                 state.surface.get());
+
+        LOG_ALWAYS_FATAL_IF(!displayId);
+        displaySurface = new FramebufferSurface(getHwComposer(), *displayId, bqConsumer,
+                                                maxGraphicsWidth, maxGraphicsHeight);
+        producer = bqProducer;
+    }
+
+    LOG_FATAL_IF(!displaySurface);
+    const auto display = setupNewDisplayDeviceInternal(displayToken, compositionDisplay, state,
+                                                       displaySurface, producer);
+    mDisplays.emplace(displayToken, display);
+    if (!state.isVirtual()) {
+        LOG_FATAL_IF(!displayId);
+        dispatchDisplayHotplugEvent(displayId->value, true);
+    }
+
+    if (display->isPrimary()) {
+        mScheduler->onPrimaryDisplayAreaChanged(display->getWidth() * display->getHeight());
+    }
+}
+
+void SurfaceFlinger::processDisplayRemoved(const wp<IBinder>& displayToken) {
+    if (const auto display = getDisplayDeviceLocked(displayToken)) {
+        // Save display ID before disconnecting.
+        const auto displayId = display->getId();
+        display->disconnect();
+
+        if (!display->isVirtual()) {
+            LOG_FATAL_IF(!displayId);
+            dispatchDisplayHotplugEvent(displayId->value, false);
+        }
+    }
+
+    mDisplays.erase(displayToken);
+}
+
+void SurfaceFlinger::processDisplayChanged(const wp<IBinder>& displayToken,
+                                           const DisplayDeviceState& currentState,
+                                           const DisplayDeviceState& drawingState) {
+    const sp<IBinder> currentBinder = IInterface::asBinder(currentState.surface);
+    const sp<IBinder> drawingBinder = IInterface::asBinder(drawingState.surface);
+    if (currentBinder != drawingBinder || currentState.sequenceId != drawingState.sequenceId) {
+        // changing the surface is like destroying and recreating the DisplayDevice
+        if (const auto display = getDisplayDeviceLocked(displayToken)) {
+            display->disconnect();
+        }
+        mDisplays.erase(displayToken);
+        if (const auto& physical = currentState.physical) {
+            getHwComposer().allocatePhysicalDisplay(physical->hwcDisplayId, physical->id);
+        }
+        processDisplayAdded(displayToken, currentState);
+        if (currentState.physical) {
+            initializeDisplays();
+        }
+        return;
+    }
+
+    if (const auto display = getDisplayDeviceLocked(displayToken)) {
+        if (currentState.layerStack != drawingState.layerStack) {
+            display->setLayerStack(currentState.layerStack);
+        }
+        if ((currentState.orientation != drawingState.orientation) ||
+            (currentState.viewport != drawingState.viewport) ||
+            (currentState.frame != drawingState.frame)) {
+            display->setProjection(currentState.orientation, currentState.viewport,
+                                   currentState.frame);
+        }
+        if (currentState.width != drawingState.width ||
+            currentState.height != drawingState.height) {
+            display->setDisplaySize(currentState.width, currentState.height);
+            if (display->isPrimary()) {
+                mScheduler->onPrimaryDisplayAreaChanged(currentState.width * currentState.height);
+            }
+        }
+    }
+}
+
 void SurfaceFlinger::processDisplayChangesLocked() {
     // here we take advantage of Vector's copy-on-write semantics to
     // improve performance by skipping the transaction entirely when
@@ -2462,158 +2662,31 @@
     const KeyedVector<wp<IBinder>, DisplayDeviceState>& draw(mDrawingState.displays);
     if (!curr.isIdenticalTo(draw)) {
         mVisibleRegionsDirty = true;
-        const size_t cc = curr.size();
-        size_t dc = draw.size();
 
         // find the displays that were removed
         // (ie: in drawing state but not in current state)
         // also handle displays that changed
         // (ie: displays that are in both lists)
-        for (size_t i = 0; i < dc;) {
-            const ssize_t j = curr.indexOfKey(draw.keyAt(i));
+        for (size_t i = 0; i < draw.size(); i++) {
+            const wp<IBinder>& displayToken = draw.keyAt(i);
+            const ssize_t j = curr.indexOfKey(displayToken);
             if (j < 0) {
                 // in drawing state but not in current state
-                if (const auto display = getDisplayDeviceLocked(draw.keyAt(i))) {
-                    // Save display ID before disconnecting.
-                    const auto displayId = display->getId();
-                    display->disconnect();
-
-                    if (!display->isVirtual()) {
-                        LOG_ALWAYS_FATAL_IF(!displayId);
-                        dispatchDisplayHotplugEvent(displayId->value, false);
-                    }
-                }
-
-                mDisplays.erase(draw.keyAt(i));
+                processDisplayRemoved(displayToken);
             } else {
                 // this display is in both lists. see if something changed.
-                const DisplayDeviceState& state(curr[j]);
-                const wp<IBinder>& displayToken = curr.keyAt(j);
-                const sp<IBinder> state_binder = IInterface::asBinder(state.surface);
-                const sp<IBinder> draw_binder = IInterface::asBinder(draw[i].surface);
-                if (state_binder != draw_binder) {
-                    // changing the surface is like destroying and
-                    // recreating the DisplayDevice, so we just remove it
-                    // from the drawing state, so that it get re-added
-                    // below.
-                    if (const auto display = getDisplayDeviceLocked(displayToken)) {
-                        display->disconnect();
-                    }
-                    mDisplays.erase(displayToken);
-                    mDrawingState.displays.removeItemsAt(i);
-                    dc--;
-                    // at this point we must loop to the next item
-                    continue;
-                }
-
-                if (const auto display = getDisplayDeviceLocked(displayToken)) {
-                    if (state.layerStack != draw[i].layerStack) {
-                        display->setLayerStack(state.layerStack);
-                    }
-                    if ((state.orientation != draw[i].orientation) ||
-                        (state.viewport != draw[i].viewport) || (state.frame != draw[i].frame)) {
-                        display->setProjection(state.orientation, state.viewport, state.frame);
-                    }
-                    if (state.width != draw[i].width || state.height != draw[i].height) {
-                        display->setDisplaySize(state.width, state.height);
-                        if (display->isPrimary()) {
-                            mScheduler->onPrimaryDisplayAreaChanged(state.width * state.height);
-                        }
-                    }
-                }
+                const DisplayDeviceState& currentState = curr[j];
+                const DisplayDeviceState& drawingState = draw[i];
+                processDisplayChanged(displayToken, currentState, drawingState);
             }
-            ++i;
         }
 
         // find displays that were added
         // (ie: in current state but not in drawing state)
-        for (size_t i = 0; i < cc; i++) {
-            if (draw.indexOfKey(curr.keyAt(i)) < 0) {
-                const DisplayDeviceState& state(curr[i]);
-
-                int width = 0;
-                int height = 0;
-                ui::PixelFormat pixelFormat = static_cast<ui::PixelFormat>(PIXEL_FORMAT_UNKNOWN);
-                if (state.physical) {
-                    const auto& activeConfig =
-                            getCompositionEngine().getHwComposer().getActiveConfig(
-                                    state.physical->id);
-                    width = activeConfig->getWidth();
-                    height = activeConfig->getHeight();
-                    pixelFormat = static_cast<ui::PixelFormat>(PIXEL_FORMAT_RGBA_8888);
-                } else if (state.surface != nullptr) {
-                    int status = state.surface->query(NATIVE_WINDOW_WIDTH, &width);
-                    ALOGE_IF(status != NO_ERROR, "Unable to query width (%d)", status);
-                    status = state.surface->query(NATIVE_WINDOW_HEIGHT, &height);
-                    ALOGE_IF(status != NO_ERROR, "Unable to query height (%d)", status);
-                    int intPixelFormat;
-                    status = state.surface->query(NATIVE_WINDOW_FORMAT, &intPixelFormat);
-                    ALOGE_IF(status != NO_ERROR, "Unable to query format (%d)", status);
-                    pixelFormat = static_cast<ui::PixelFormat>(intPixelFormat);
-                } else {
-                    // Virtual displays without a surface are dormant:
-                    // they have external state (layer stack, projection,
-                    // etc.) but no internal state (i.e. a DisplayDevice).
-                    continue;
-                }
-
-                compositionengine::DisplayCreationArgsBuilder builder;
-                if (const auto& physical = state.physical) {
-                    builder.setPhysical({physical->id, physical->type});
-                }
-                builder.setPixels(ui::Size(width, height));
-                builder.setPixelFormat(pixelFormat);
-                builder.setIsSecure(state.isSecure);
-                builder.setLayerStackId(state.layerStack);
-                builder.setPowerAdvisor(&mPowerAdvisor);
-                builder.setUseHwcVirtualDisplays(mUseHwcVirtualDisplays ||
-                                                 getHwComposer().isUsingVrComposer());
-                builder.setName(state.displayName);
-                auto compositionDisplay = getCompositionEngine().createDisplay(builder.build());
-
-                sp<compositionengine::DisplaySurface> dispSurface;
-                sp<IGraphicBufferProducer> producer;
-                sp<IGraphicBufferProducer> bqProducer;
-                sp<IGraphicBufferConsumer> bqConsumer;
-                getFactory().createBufferQueue(&bqProducer, &bqConsumer, false);
-
-                std::optional<DisplayId> displayId = compositionDisplay->getId();
-
-                if (state.isVirtual()) {
-                    sp<VirtualDisplaySurface> vds =
-                            new VirtualDisplaySurface(getHwComposer(), displayId, state.surface,
-                                                      bqProducer, bqConsumer, state.displayName);
-
-                    dispSurface = vds;
-                    producer = vds;
-                } else {
-                    ALOGE_IF(state.surface != nullptr,
-                             "adding a supported display, but rendering "
-                             "surface is provided (%p), ignoring it",
-                             state.surface.get());
-
-                    LOG_ALWAYS_FATAL_IF(!displayId);
-                    dispSurface = new FramebufferSurface(getHwComposer(), *displayId, bqConsumer);
-                    producer = bqProducer;
-                }
-
-                const wp<IBinder>& displayToken = curr.keyAt(i);
-                if (dispSurface != nullptr) {
-                    mDisplays.emplace(displayToken,
-                                      setupNewDisplayDeviceInternal(displayToken,
-                                                                    compositionDisplay, state,
-                                                                    dispSurface, producer));
-                    if (!state.isVirtual()) {
-                        LOG_ALWAYS_FATAL_IF(!displayId);
-                        dispatchDisplayHotplugEvent(displayId->value, true);
-                    }
-
-                    const auto displayDevice = mDisplays[displayToken];
-                    if (displayDevice->isPrimary()) {
-                        mScheduler->onPrimaryDisplayAreaChanged(displayDevice->getWidth() *
-                                                                displayDevice->getHeight());
-                    }
-                }
+        for (size_t i = 0; i < curr.size(); i++) {
+            const wp<IBinder>& displayToken = curr.keyAt(i);
+            if (draw.indexOfKey(displayToken) < 0) {
+                processDisplayAdded(displayToken, curr[i]);
             }
         }
     }
@@ -2788,7 +2861,7 @@
     // input changes but all input changes will spring from these transactions
     // so the cache is safe but not optimal. It seems like it might be annoyingly
     // costly to cache and comapre the actual InputWindowHandle vector though.
-    if (!mInputDirty) {
+    if (!mInputDirty && !mInputWindowCommands.syncInputWindows) {
         return;
     }
 
@@ -2808,7 +2881,7 @@
 }
 
 void SurfaceFlinger::commitInputWindowCommands() {
-    mInputWindowCommands = mPendingInputWindowCommands;
+    mInputWindowCommands.merge(mPendingInputWindowCommands);
     mPendingInputWindowCommands.clear();
 }
 
@@ -3575,7 +3648,7 @@
         if (layer->setCornerRadius(s.cornerRadius))
             flags |= eTraversalNeeded;
     }
-    if (what & layer_state_t::eBackgroundBlurRadiusChanged) {
+    if (what & layer_state_t::eBackgroundBlurRadiusChanged && !mDisableBlurs) {
         if (layer->setBackgroundBlurRadius(s.backgroundBlurRadius)) flags |= eTraversalNeeded;
     }
     if (what & layer_state_t::eLayerStackChanged) {
@@ -3745,10 +3818,6 @@
 
 uint32_t SurfaceFlinger::addInputWindowCommands(const InputWindowCommands& inputWindowCommands) {
     uint32_t flags = 0;
-    if (!inputWindowCommands.transferTouchFocusCommands.empty()) {
-        flags |= eTraversalNeeded;
-    }
-
     if (inputWindowCommands.syncInputWindows) {
         flags |= eTraversalNeeded;
     }
@@ -4079,6 +4148,9 @@
     }
 
     if (currentMode == HWC_POWER_MODE_OFF) {
+        if (SurfaceFlinger::setSchedFifo(true) != NO_ERROR) {
+            ALOGW("Couldn't set SCHED_FIFO on display on: %s\n", strerror(errno));
+        }
         getHwComposer().setPowerMode(*displayId, mode);
         if (display->isPrimary() && mode != HWC_POWER_MODE_DOZE_SUSPEND) {
             setVsyncEnabledInHWC(*displayId, mHWCVsyncPendingState);
@@ -4089,19 +4161,11 @@
         mVisibleRegionsDirty = true;
         mHasPoweredOff = true;
         repaintEverything();
-
-        struct sched_param param = {0};
-        param.sched_priority = 1;
-        if (sched_setscheduler(0, SCHED_FIFO, &param) != 0) {
-            ALOGW("Couldn't set SCHED_FIFO on display on");
-        }
     } else if (mode == HWC_POWER_MODE_OFF) {
         // Turn off the display
-        struct sched_param param = {0};
-        if (sched_setscheduler(0, SCHED_OTHER, &param) != 0) {
-            ALOGW("Couldn't set SCHED_OTHER on display off");
+        if (SurfaceFlinger::setSchedFifo(false) != NO_ERROR) {
+            ALOGW("Couldn't set SCHED_OTHER on display off: %s\n", strerror(errno));
         }
-
         if (display->isPrimary() && currentMode != HWC_POWER_MODE_DOZE_SUSPEND) {
             mScheduler->disableHardwareVsync(true);
             mScheduler->onScreenReleased(mAppConnectionHandle);
@@ -4474,12 +4538,11 @@
     result.append("\n");
 }
 
-LayersProto SurfaceFlinger::dumpDrawingStateProto(uint32_t traceFlags) const {
-    Mutex::Autolock _l(mStateLock);
-    const auto device = getDefaultDisplayDeviceLocked();
+LayersProto SurfaceFlinger::dumpDrawingStateProto(
+        uint32_t traceFlags, const sp<const DisplayDevice>& displayDevice) const {
     LayersProto layersProto;
     for (const sp<Layer>& layer : mDrawingState.layersSortedByZ) {
-        layer->writeToProto(layersProto, traceFlags, device);
+        layer->writeToProto(layersProto, traceFlags, displayDevice);
     }
 
     return layersProto;
@@ -4511,7 +4574,10 @@
 
 LayersProto SurfaceFlinger::dumpProtoFromMainThread(uint32_t traceFlags) {
     LayersProto layersProto;
-    postMessageSync(new LambdaMessage([&]() { layersProto = dumpDrawingStateProto(traceFlags); }));
+    postMessageSync(new LambdaMessage([&]() {
+        const auto& displayDevice = getDefaultDisplayDeviceLocked();
+        layersProto = dumpDrawingStateProto(traceFlags, displayDevice);
+    }));
     return layersProto;
 }
 
@@ -5286,6 +5352,26 @@
     }
 }
 
+status_t SurfaceFlinger::setSchedFifo(bool enabled) {
+    static constexpr int kFifoPriority = 2;
+    static constexpr int kOtherPriority = 0;
+
+    struct sched_param param = {0};
+    int sched_policy;
+    if (enabled) {
+        sched_policy = SCHED_FIFO;
+        param.sched_priority = kFifoPriority;
+    } else {
+        sched_policy = SCHED_OTHER;
+        param.sched_priority = kOtherPriority;
+    }
+
+    if (sched_setscheduler(0, sched_policy, &param) != 0) {
+        return -errno;
+    }
+    return NO_ERROR;
+}
+
 const sp<DisplayDevice> SurfaceFlinger::getDisplayByIdOrLayerStack(uint64_t displayOrLayerStack) {
     const sp<IBinder> displayToken = getPhysicalDisplayTokenLocked(DisplayId{displayOrLayerStack});
     if (displayToken) {
@@ -5783,6 +5869,7 @@
     Mutex::Autolock _l(mStateLock);
 
     mPendingSyncInputWindows = false;
+
     mTransactionCV.broadcast();
 }
 
@@ -6049,18 +6136,22 @@
         return BAD_VALUE;
     }
 
-    Mutex::Autolock lock(mStateLock);
-    if (authenticateSurfaceTextureLocked(surface)) {
-        sp<Layer> layer = (static_cast<MonitoredProducer*>(surface.get()))->getLayer();
-        if (layer->setFrameRate(
-                    Layer::FrameRate(frameRate,
-                                     Layer::FrameRate::convertCompatibility(compatibility)))) {
-            setTransactionFlags(eTraversalNeeded);
+    postMessageAsync(new LambdaMessage([=]() NO_THREAD_SAFETY_ANALYSIS {
+        Mutex::Autolock lock(mStateLock);
+        if (authenticateSurfaceTextureLocked(surface)) {
+            sp<Layer> layer = (static_cast<MonitoredProducer*>(surface.get()))->getLayer();
+            if (layer->setFrameRate(
+                        Layer::FrameRate(frameRate,
+                                         Layer::FrameRate::convertCompatibility(compatibility)))) {
+                setTransactionFlags(eTraversalNeeded);
+            }
+        } else {
+            ALOGE("Attempt to set frame rate on an unrecognized IGraphicBufferProducer");
+            return BAD_VALUE;
         }
-    } else {
-        ALOGE("Attempt to set frame rate on an unrecognized IGraphicBufferProducer");
-        return BAD_VALUE;
-    }
+        return NO_ERROR;
+    }));
+
     return NO_ERROR;
 }
 
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index a157a06..60904f6 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -42,6 +42,7 @@
 #include <system/graphics.h>
 #include <ui/FenceTime.h>
 #include <ui/PixelFormat.h>
+#include <ui/Size.h>
 #include <utils/Errors.h>
 #include <utils/KeyedVector.h>
 #include <utils/RefBase.h>
@@ -225,6 +226,11 @@
     // FramebufferSurface
     static int64_t maxFrameBufferAcquiredBuffers;
 
+    // Controls the maximum width and height in pixels that the graphics pipeline can support for
+    // GPU fallback composition. For example, 8k devices with 4k GPUs, or 4k devices with 2k GPUs.
+    static uint32_t maxGraphicsWidth;
+    static uint32_t maxGraphicsHeight;
+
     // Indicate if a device has wide color gamut display. This is typically
     // found on devices with wide color gamut (e.g. Display-P3) display.
     static bool hasWideColorDisplay;
@@ -253,6 +259,9 @@
     // overhead that is caused by reading from sysprop.
     static bool useFrameRateApi;
 
+    // set main thread scheduling policy
+    static status_t setSchedFifo(bool enabled) ANDROID_API;
+
     static char const* getServiceName() ANDROID_API {
         return "SurfaceFlinger";
     }
@@ -814,9 +823,14 @@
             const wp<IBinder>& displayToken,
             std::shared_ptr<compositionengine::Display> compositionDisplay,
             const DisplayDeviceState& state,
-            const sp<compositionengine::DisplaySurface>& dispSurface,
+            const sp<compositionengine::DisplaySurface>& displaySurface,
             const sp<IGraphicBufferProducer>& producer);
     void processDisplayChangesLocked();
+    void processDisplayAdded(const wp<IBinder>& displayToken, const DisplayDeviceState& state);
+    void processDisplayRemoved(const wp<IBinder>& displayToken);
+    void processDisplayChanged(const wp<IBinder>& displayToken,
+                               const DisplayDeviceState& currentState,
+                               const DisplayDeviceState& drawingState);
     void processDisplayHotplugEventsLocked();
 
     void dispatchDisplayHotplugEvent(PhysicalDisplayId displayId, bool connected);
@@ -833,7 +847,21 @@
 
     bool isDisplayConfigAllowed(HwcConfigIndexType configId) const REQUIRES(mStateLock);
 
-    bool previousFrameMissed(int graceTimeMs = 0);
+    // Gets the fence for the previous frame.
+    // Must be called on the main thread.
+    sp<Fence> previousFrameFence();
+
+    // Whether the previous frame has not yet been presented to the display.
+    // If graceTimeMs is positive, this method waits for at most the provided
+    // grace period before reporting if the frame missed.
+    // Must be called on the main thread.
+    bool previousFramePending(int graceTimeMs = 0);
+
+    // Returns the previous time that the frame was presented. If the frame has
+    // not been presented yet, then returns Fence::SIGNAL_TIME_PENDING. If there
+    // is no pending frame, then returns Fence::SIGNAL_TIME_INVALID.
+    // Must be called on the main thread.
+    nsecs_t previousFramePresentTime();
 
     // Populates the expected present time for this frame. For negative offsets, performs a
     // correction using the predicted vsync for the next frame instead.
@@ -917,7 +945,8 @@
     void dumpDisplayIdentificationData(std::string& result) const;
     void dumpRawDisplayIdentificationData(const DumpArgs&, std::string& result) const;
     void dumpWideColorInfo(std::string& result) const;
-    LayersProto dumpDrawingStateProto(uint32_t traceFlags = SurfaceTracing::TRACE_ALL) const;
+    LayersProto dumpDrawingStateProto(uint32_t traceFlags = SurfaceTracing::TRACE_ALL,
+                                      const sp<const DisplayDevice>& displayDevice = nullptr) const;
     void dumpOffscreenLayersProto(LayersProto& layersProto,
                                   uint32_t traceFlags = SurfaceTracing::TRACE_ALL) const;
     // Dumps state from HW Composer
@@ -1048,8 +1077,10 @@
     const std::shared_ptr<TimeStats> mTimeStats;
     const std::unique_ptr<FrameTracer> mFrameTracer;
     bool mUseHwcVirtualDisplays = false;
+    // If blurs should be enabled on this device.
+    bool mSupportsBlur = false;
     // Disable blurs, for debugging
-    bool mEnableBlurs = false;
+    std::atomic<bool> mDisableBlurs = false;
     // If blurs are considered expensive and should require high GPU frequency.
     bool mBlursAreExpensive = false;
     std::atomic<uint32_t> mFrameMissedCount = 0;
@@ -1123,6 +1154,10 @@
 
     // to linkToDeath
     sp<IBinder> mWindowManager;
+    // We want to avoid multiple calls to BOOT_FINISHED as they come in on
+    // different threads without a lock and could trigger unsynchronized writes to
+    // to mWindowManager or mInputFlinger
+    std::atomic<bool> mBootFinished = false;
 
     std::unique_ptr<dvr::VrFlinger> mVrFlinger;
     std::atomic<bool> mVrFlingerRequestsDisplay = false;
diff --git a/services/surfaceflinger/SurfaceFlingerProperties.cpp b/services/surfaceflinger/SurfaceFlingerProperties.cpp
index f3352a5..9d78702 100644
--- a/services/surfaceflinger/SurfaceFlingerProperties.cpp
+++ b/services/surfaceflinger/SurfaceFlingerProperties.cpp
@@ -70,6 +70,22 @@
             defaultValue);
 }
 
+int32_t max_graphics_width(int32_t defaultValue) {
+    auto temp = SurfaceFlingerProperties::max_graphics_width();
+    if (temp.has_value()) {
+        return *temp;
+    }
+    return defaultValue;
+}
+
+int32_t max_graphics_height(int32_t defaultValue) {
+    auto temp = SurfaceFlingerProperties::max_graphics_height();
+    if (temp.has_value()) {
+        return *temp;
+    }
+    return defaultValue;
+}
+
 bool has_wide_color_display(bool defaultValue) {
     auto temp = SurfaceFlingerProperties::has_wide_color_display();
     if (temp.has_value()) {
diff --git a/services/surfaceflinger/SurfaceFlingerProperties.h b/services/surfaceflinger/SurfaceFlingerProperties.h
index 12c711a..c63adfe 100644
--- a/services/surfaceflinger/SurfaceFlingerProperties.h
+++ b/services/surfaceflinger/SurfaceFlingerProperties.h
@@ -37,6 +37,9 @@
 
 int64_t max_frame_buffer_acquired_buffers(int64_t defaultValue);
 
+int32_t max_graphics_width(int32_t defaultValue);
+int32_t max_graphics_height(int32_t defaultValue);
+
 bool has_wide_color_display(bool defaultValue);
 
 bool running_without_sync_framework(bool defaultValue);
diff --git a/services/surfaceflinger/SurfaceInterceptor.cpp b/services/surfaceflinger/SurfaceInterceptor.cpp
index 1f9d46c..80102bd 100644
--- a/services/surfaceflinger/SurfaceInterceptor.cpp
+++ b/services/surfaceflinger/SurfaceInterceptor.cpp
@@ -194,7 +194,7 @@
 
 Increment* SurfaceInterceptor::createTraceIncrementLocked() {
     Increment* increment(mTrace.add_increment());
-    increment->set_time_stamp(systemTime());
+    increment->set_time_stamp(elapsedRealtimeNano());
     return increment;
 }
 
@@ -524,11 +524,11 @@
     deletion->set_id(getLayerId(layer));
 }
 
-void SurfaceInterceptor::addBufferUpdateLocked(Increment* increment, const sp<const Layer>& layer,
+void SurfaceInterceptor::addBufferUpdateLocked(Increment* increment, int32_t layerId,
         uint32_t width, uint32_t height, uint64_t frameNumber)
 {
     BufferUpdate* update(increment->mutable_buffer_update());
-    update->set_id(getLayerId(layer));
+    update->set_id(layerId);
     update->set_w(width);
     update->set_h(height);
     update->set_frame_number(frameNumber);
@@ -644,15 +644,22 @@
     addSurfaceDeletionLocked(createTraceIncrementLocked(), layer);
 }
 
-void SurfaceInterceptor::saveBufferUpdate(const sp<const Layer>& layer, uint32_t width,
+/**
+ * Here we pass the layer by ID instead of by sp<> since this is called without
+ * holding the state-lock from a Binder thread. If we required the caller
+ * to pass 'this' by sp<> the temporary sp<> constructed could end up
+ * being the last reference and we might accidentally destroy the Layer
+ * from this binder thread.
+ */
+void SurfaceInterceptor::saveBufferUpdate(int32_t layerId, uint32_t width,
         uint32_t height, uint64_t frameNumber)
 {
-    if (!mEnabled || layer == nullptr) {
+    if (!mEnabled) {
         return;
     }
     ATRACE_CALL();
     std::lock_guard<std::mutex> protoGuard(mTraceMutex);
-    addBufferUpdateLocked(createTraceIncrementLocked(), layer, width, height, frameNumber);
+    addBufferUpdateLocked(createTraceIncrementLocked(), layerId, width, height, frameNumber);
 }
 
 void SurfaceInterceptor::saveVSyncEvent(nsecs_t timestamp) {
diff --git a/services/surfaceflinger/SurfaceInterceptor.h b/services/surfaceflinger/SurfaceInterceptor.h
index a665f62..896bdcc 100644
--- a/services/surfaceflinger/SurfaceInterceptor.h
+++ b/services/surfaceflinger/SurfaceInterceptor.h
@@ -67,7 +67,7 @@
     // Intercept surface data
     virtual void saveSurfaceCreation(const sp<const Layer>& layer) = 0;
     virtual void saveSurfaceDeletion(const sp<const Layer>& layer) = 0;
-    virtual void saveBufferUpdate(const sp<const Layer>& layer, uint32_t width, uint32_t height,
+    virtual void saveBufferUpdate(int32_t layerId, uint32_t width, uint32_t height,
                                   uint64_t frameNumber) = 0;
 
     // Intercept display data
@@ -102,7 +102,7 @@
     // Intercept surface data
     void saveSurfaceCreation(const sp<const Layer>& layer) override;
     void saveSurfaceDeletion(const sp<const Layer>& layer) override;
-    void saveBufferUpdate(const sp<const Layer>& layer, uint32_t width, uint32_t height,
+    void saveBufferUpdate(int32_t layerId, uint32_t width, uint32_t height,
                           uint64_t frameNumber) override;
 
     // Intercept display data
@@ -130,7 +130,7 @@
     Increment* createTraceIncrementLocked();
     void addSurfaceCreationLocked(Increment* increment, const sp<const Layer>& layer);
     void addSurfaceDeletionLocked(Increment* increment, const sp<const Layer>& layer);
-    void addBufferUpdateLocked(Increment* increment, const sp<const Layer>& layer, uint32_t width,
+    void addBufferUpdateLocked(Increment* increment, int32_t layerId, uint32_t width,
             uint32_t height, uint64_t frameNumber);
     void addVSyncUpdateLocked(Increment* increment, nsecs_t timestamp);
     void addDisplayCreationLocked(Increment* increment, const DisplayDeviceState& info);
diff --git a/services/surfaceflinger/SurfaceTracing.cpp b/services/surfaceflinger/SurfaceTracing.cpp
index c5556ec..a9c3332 100644
--- a/services/surfaceflinger/SurfaceTracing.cpp
+++ b/services/surfaceflinger/SurfaceTracing.cpp
@@ -45,19 +45,21 @@
 }
 
 void SurfaceTracing::addFirstEntry() {
+    const auto displayDevice = mFlinger.getDefaultDisplayDevice();
     LayersTraceProto entry;
     {
         std::scoped_lock lock(mSfLock);
-        entry = traceLayersLocked("tracing.enable");
+        entry = traceLayersLocked("tracing.enable", displayDevice);
     }
     addTraceToBuffer(entry);
 }
 
 LayersTraceProto SurfaceTracing::traceWhenNotified() {
+    const auto displayDevice = mFlinger.getDefaultDisplayDevice();
     std::unique_lock<std::mutex> lock(mSfLock);
     mCanStartTrace.wait(lock);
     android::base::ScopedLockAssertion assumeLock(mSfLock);
-    LayersTraceProto entry = traceLayersLocked(mWhere);
+    LayersTraceProto entry = traceLayersLocked(mWhere, displayDevice);
     lock.unlock();
     return entry;
 }
@@ -127,7 +129,12 @@
 }
 
 status_t SurfaceTracing::writeToFile() {
-    mThread.join();
+    std::thread thread;
+    {
+        std::scoped_lock lock(mTraceLock);
+        thread = std::move(mThread);
+    }
+    thread.join();
     return mLastErr;
 }
 
@@ -160,13 +167,14 @@
     mTraceFlags = flags;
 }
 
-LayersTraceProto SurfaceTracing::traceLayersLocked(const char* where) {
+LayersTraceProto SurfaceTracing::traceLayersLocked(const char* where,
+                                                   const sp<const DisplayDevice>& displayDevice) {
     ATRACE_CALL();
 
     LayersTraceProto entry;
     entry.set_elapsed_realtime_nanos(elapsedRealtimeNano());
     entry.set_where(where);
-    LayersProto layers(mFlinger.dumpDrawingStateProto(mTraceFlags));
+    LayersProto layers(mFlinger.dumpDrawingStateProto(mTraceFlags, displayDevice));
     mFlinger.dumpOffscreenLayersProto(layers);
     entry.mutable_layers()->Swap(&layers);
 
diff --git a/services/surfaceflinger/SurfaceTracing.h b/services/surfaceflinger/SurfaceTracing.h
index 3c24881..83872ed 100644
--- a/services/surfaceflinger/SurfaceTracing.h
+++ b/services/surfaceflinger/SurfaceTracing.h
@@ -16,17 +16,19 @@
 
 #pragma once
 
+#include <android-base/thread_annotations.h>
 #include <layerproto/LayerProtoHeader.h>
 #include <utils/Errors.h>
 #include <utils/StrongPointer.h>
 
-#include <android-base/thread_annotations.h>
 #include <condition_variable>
 #include <memory>
 #include <mutex>
 #include <queue>
 #include <thread>
 
+#include "DisplayDevice.h"
+
 using namespace android::surfaceflinger;
 
 namespace android {
@@ -85,19 +87,21 @@
     void mainLoop();
     void addFirstEntry();
     LayersTraceProto traceWhenNotified();
-    LayersTraceProto traceLayersLocked(const char* where) REQUIRES(mSfLock);
+    LayersTraceProto traceLayersLocked(const char* where,
+                                       const sp<const DisplayDevice>& displayDevice)
+            REQUIRES(mSfLock);
 
     // Returns true if trace is enabled.
     bool addTraceToBuffer(LayersTraceProto& entry);
     void writeProtoFileLocked() REQUIRES(mTraceLock);
 
-    const SurfaceFlinger& mFlinger;
+    SurfaceFlinger& mFlinger;
     status_t mLastErr = NO_ERROR;
     std::thread mThread;
     std::condition_variable mCanStartTrace;
 
     std::mutex& mSfLock;
-    uint32_t mTraceFlags GUARDED_BY(mSfLock) = TRACE_ALL;
+    uint32_t mTraceFlags GUARDED_BY(mSfLock) = TRACE_CRITICAL | TRACE_INPUT;
     const char* mWhere GUARDED_BY(mSfLock) = "";
 
     mutable std::mutex mTraceLock;
diff --git a/services/surfaceflinger/TimeStats/TimeStats.cpp b/services/surfaceflinger/TimeStats/TimeStats.cpp
index 8038eba..606e137 100644
--- a/services/surfaceflinger/TimeStats/TimeStats.cpp
+++ b/services/surfaceflinger/TimeStats/TimeStats.cpp
@@ -188,17 +188,16 @@
 
 TimeStats::~TimeStats() {
     std::lock_guard<std::mutex> lock(mMutex);
-    mStatsDelegate->unregisterStatsPullAtomCallback(
-            android::util::SURFACEFLINGER_STATS_GLOBAL_INFO);
-    mStatsDelegate->unregisterStatsPullAtomCallback(android::util::SURFACEFLINGER_STATS_LAYER_INFO);
+    mStatsDelegate->clearStatsPullAtomCallback(android::util::SURFACEFLINGER_STATS_GLOBAL_INFO);
+    mStatsDelegate->clearStatsPullAtomCallback(android::util::SURFACEFLINGER_STATS_LAYER_INFO);
 }
 
 void TimeStats::onBootFinished() {
     std::lock_guard<std::mutex> lock(mMutex);
-    mStatsDelegate->registerStatsPullAtomCallback(android::util::SURFACEFLINGER_STATS_GLOBAL_INFO,
-                                                  TimeStats::pullAtomCallback, nullptr, this);
-    mStatsDelegate->registerStatsPullAtomCallback(android::util::SURFACEFLINGER_STATS_LAYER_INFO,
-                                                  TimeStats::pullAtomCallback, nullptr, this);
+    mStatsDelegate->setStatsPullAtomCallback(android::util::SURFACEFLINGER_STATS_GLOBAL_INFO,
+                                             nullptr, TimeStats::pullAtomCallback, this);
+    mStatsDelegate->setStatsPullAtomCallback(android::util::SURFACEFLINGER_STATS_LAYER_INFO,
+                                             nullptr, TimeStats::pullAtomCallback, this);
 }
 
 void TimeStats::parseArgs(bool asProto, const Vector<String16>& args, std::string& result) {
@@ -282,6 +281,15 @@
     mTimeStats.clientCompositionReusedFrames++;
 }
 
+void TimeStats::incrementRefreshRateSwitches() {
+    if (!mEnabled.load()) return;
+
+    ATRACE_CALL();
+
+    std::lock_guard<std::mutex> lock(mMutex);
+    mTimeStats.refreshRateSwitches++;
+}
+
 void TimeStats::recordDisplayEventConnectionCount(int32_t count) {
     if (!mEnabled.load()) return;
 
@@ -835,6 +843,7 @@
     mTimeStats.missedFrames = 0;
     mTimeStats.clientCompositionFrames = 0;
     mTimeStats.clientCompositionReusedFrames = 0;
+    mTimeStats.refreshRateSwitches = 0;
     mTimeStats.displayEventConnectionsCount = 0;
     mTimeStats.displayOnTime = 0;
     mTimeStats.presentToPresent.hist.clear();
diff --git a/services/surfaceflinger/TimeStats/TimeStats.h b/services/surfaceflinger/TimeStats/TimeStats.h
index ddebeb1..806b47e 100644
--- a/services/surfaceflinger/TimeStats/TimeStats.h
+++ b/services/surfaceflinger/TimeStats/TimeStats.h
@@ -52,6 +52,8 @@
     virtual void incrementMissedFrames() = 0;
     virtual void incrementClientCompositionFrames() = 0;
     virtual void incrementClientCompositionReusedFrames() = 0;
+    // Increments the number of times the display refresh rate changed.
+    virtual void incrementRefreshRateSwitches() = 0;
     // Records the most up-to-date count of display event connections.
     // The stored count will be the maximum ever recoded.
     virtual void recordDisplayEventConnectionCount(int32_t count) = 0;
@@ -165,15 +167,15 @@
         virtual AStatsEvent* addStatsEventToPullData(AStatsEventList* data) {
             return AStatsEventList_addStatsEvent(data);
         }
-        virtual void registerStatsPullAtomCallback(int32_t atom_tag,
-                                                   AStatsManager_PullAtomCallback callback,
-                                                   AStatsManager_PullAtomMetadata* metadata,
-                                                   void* cookie) {
-            return AStatsManager_registerPullAtomCallback(atom_tag, callback, metadata, cookie);
+        virtual void setStatsPullAtomCallback(int32_t atom_tag,
+                                              AStatsManager_PullAtomMetadata* metadata,
+                                              AStatsManager_PullAtomCallback callback,
+                                              void* cookie) {
+            return AStatsManager_setPullAtomCallback(atom_tag, metadata, callback, cookie);
         }
 
-        virtual void unregisterStatsPullAtomCallback(int32_t atom_tag) {
-            return AStatsManager_unregisterPullAtomCallback(atom_tag);
+        virtual void clearStatsPullAtomCallback(int32_t atom_tag) {
+            return AStatsManager_clearPullAtomCallback(atom_tag);
         }
 
         virtual void statsEventSetAtomId(AStatsEvent* event, uint32_t atom_id) {
@@ -215,6 +217,7 @@
     void incrementMissedFrames() override;
     void incrementClientCompositionFrames() override;
     void incrementClientCompositionReusedFrames() override;
+    void incrementRefreshRateSwitches() override;
     void recordDisplayEventConnectionCount(int32_t count) override;
 
     void recordFrameDuration(nsecs_t startTime, nsecs_t endTime) override;
diff --git a/services/surfaceflinger/TimeStats/timestatsproto/TimeStatsHelper.cpp b/services/surfaceflinger/TimeStats/timestatsproto/TimeStatsHelper.cpp
index e2f85cc..5305de9 100644
--- a/services/surfaceflinger/TimeStats/timestatsproto/TimeStatsHelper.cpp
+++ b/services/surfaceflinger/TimeStats/timestatsproto/TimeStatsHelper.cpp
@@ -105,6 +105,7 @@
     StringAppendF(&result, "missedFrames = %d\n", missedFrames);
     StringAppendF(&result, "clientCompositionFrames = %d\n", clientCompositionFrames);
     StringAppendF(&result, "clientCompositionReusedFrames = %d\n", clientCompositionReusedFrames);
+    StringAppendF(&result, "refreshRateSwitches = %d\n", refreshRateSwitches);
     StringAppendF(&result, "displayOnTime = %" PRId64 " ms\n", displayOnTime);
     StringAppendF(&result, "displayConfigStats is as below:\n");
     for (const auto& [fps, duration] : refreshRateStats) {
diff --git a/services/surfaceflinger/TimeStats/timestatsproto/include/timestatsproto/TimeStatsHelper.h b/services/surfaceflinger/TimeStats/timestatsproto/include/timestatsproto/TimeStatsHelper.h
index 5e7c449..afb98e0 100644
--- a/services/surfaceflinger/TimeStats/timestatsproto/include/timestatsproto/TimeStatsHelper.h
+++ b/services/surfaceflinger/TimeStats/timestatsproto/include/timestatsproto/TimeStatsHelper.h
@@ -62,6 +62,7 @@
         int32_t missedFrames = 0;
         int32_t clientCompositionFrames = 0;
         int32_t clientCompositionReusedFrames = 0;
+        int32_t refreshRateSwitches = 0;
         int32_t displayEventConnectionsCount = 0;
         int64_t displayOnTime = 0;
         Histogram presentToPresent;
diff --git a/services/surfaceflinger/main_surfaceflinger.cpp b/services/surfaceflinger/main_surfaceflinger.cpp
index d7ad9de..2b8424c 100644
--- a/services/surfaceflinger/main_surfaceflinger.cpp
+++ b/services/surfaceflinger/main_surfaceflinger.cpp
@@ -31,6 +31,7 @@
 #include <binder/ProcessState.h>
 #include <configstore/Utils.h>
 #include <displayservice/DisplayService.h>
+#include <errno.h>
 #include <hidl/LegacySupport.h>
 #include <processgroup/sched_policy.h>
 #include "SurfaceFlinger.h"
@@ -114,10 +115,8 @@
 
     startDisplayService(); // dependency on SF getting registered above
 
-    struct sched_param param = {0};
-    param.sched_priority = 2;
-    if (sched_setscheduler(0, SCHED_FIFO, &param) != 0) {
-        ALOGE("Couldn't set SCHED_FIFO");
+    if (SurfaceFlinger::setSchedFifo(true) != NO_ERROR) {
+        ALOGW("Couldn't set to SCHED_FIFO: %s", strerror(errno));
     }
 
     // run surface flinger in this thread
diff --git a/services/surfaceflinger/sysprop/SurfaceFlingerProperties.sysprop b/services/surfaceflinger/sysprop/SurfaceFlingerProperties.sysprop
index 155f718..cfc301b 100644
--- a/services/surfaceflinger/sysprop/SurfaceFlingerProperties.sysprop
+++ b/services/surfaceflinger/sysprop/SurfaceFlingerProperties.sysprop
@@ -67,6 +67,26 @@
     prop_name: "ro.surface_flinger.max_frame_buffer_acquired_buffers"
 }
 
+# Controls the maximum width in pixels that the graphics pipeline can support for GPU fallback
+# composition. For example, 8k displays with 4k GPUs, or 4k displays with 2k GPUs.
+prop {
+    api_name: "max_graphics_width"
+    type: Integer
+    scope: System
+    access: Readonly
+    prop_name: "ro.surface_flinger.max_graphics_width"
+}
+
+# Controls the maximum height in pixels that the graphics pipeline can support for GPU fallback
+# composition. For example, 8k displays with 4k GPUs, or 4k displays with 2k GPUs.
+prop {
+    api_name: "max_graphics_height"
+    type: Integer
+    scope: System
+    access: Readonly
+    prop_name: "ro.surface_flinger.max_graphics_height"
+}
+
 # hasWideColorDisplay indicates that the device has
 # or can support a wide-color display, e.g. color space
 # greater than sRGB. Typical display may have same
diff --git a/services/surfaceflinger/sysprop/api/SurfaceFlingerProperties-current.txt b/services/surfaceflinger/sysprop/api/SurfaceFlingerProperties-current.txt
index e62c127..ba60a7d 100644
--- a/services/surfaceflinger/sysprop/api/SurfaceFlingerProperties-current.txt
+++ b/services/surfaceflinger/sysprop/api/SurfaceFlingerProperties-current.txt
@@ -62,6 +62,16 @@
     prop_name: "ro.surface_flinger.max_frame_buffer_acquired_buffers"
   }
   prop {
+    api_name: "max_graphics_height"
+    type: Integer
+    prop_name: "ro.surface_flinger.max_graphics_height"
+  }
+  prop {
+    api_name: "max_graphics_width"
+    type: Integer
+    prop_name: "ro.surface_flinger.max_graphics_width"
+  }
+  prop {
     api_name: "max_virtual_display_dimension"
     type: Long
     prop_name: "ro.surface_flinger.max_virtual_display_dimension"
diff --git a/services/surfaceflinger/tests/AndroidTest.xml b/services/surfaceflinger/tests/AndroidTest.xml
index 8315037..000628f 100644
--- a/services/surfaceflinger/tests/AndroidTest.xml
+++ b/services/surfaceflinger/tests/AndroidTest.xml
@@ -18,6 +18,7 @@
         <option name="cleanup" value="true" />
         <option name="push" value="SurfaceFlinger_test->/data/local/tmp/SurfaceFlinger_test" />
     </target_preparer>
+    <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer"/>
     <option name="test-suite-tag" value="apct" />
     <test class="com.android.tradefed.testtype.GTest" >
         <option name="native-test-device-path" value="/data/local/tmp" />
diff --git a/services/surfaceflinger/tests/LayerTransactionTest.h b/services/surfaceflinger/tests/LayerTransactionTest.h
index 932c7c8..40ec502 100644
--- a/services/surfaceflinger/tests/LayerTransactionTest.h
+++ b/services/surfaceflinger/tests/LayerTransactionTest.h
@@ -52,9 +52,10 @@
     virtual sp<SurfaceControl> createLayer(const sp<SurfaceComposerClient>& client,
                                            const char* name, uint32_t width, uint32_t height,
                                            uint32_t flags = 0, SurfaceControl* parent = nullptr,
-                                           uint32_t* outTransformHint = nullptr) {
-        auto layer = createSurface(client, name, width, height, PIXEL_FORMAT_RGBA_8888, flags,
-                                   parent, outTransformHint);
+                                           uint32_t* outTransformHint = nullptr,
+                                           PixelFormat format = PIXEL_FORMAT_RGBA_8888) {
+        auto layer =
+                createSurface(client, name, width, height, format, flags, parent, outTransformHint);
 
         Transaction t;
         t.setLayerStack(layer, mDisplayLayerStack).setLayer(layer, mLayerZBase);
@@ -81,8 +82,9 @@
 
     virtual sp<SurfaceControl> createLayer(const char* name, uint32_t width, uint32_t height,
                                            uint32_t flags = 0, SurfaceControl* parent = nullptr,
-                                           uint32_t* outTransformHint = nullptr) {
-        return createLayer(mClient, name, width, height, flags, parent, outTransformHint);
+                                           uint32_t* outTransformHint = nullptr,
+                                           PixelFormat format = PIXEL_FORMAT_RGBA_8888) {
+        return createLayer(mClient, name, width, height, flags, parent, outTransformHint, format);
     }
 
     sp<SurfaceControl> createColorLayer(const char* name, const Color& color,
diff --git a/services/surfaceflinger/tests/LayerTypeAndRenderTypeTransaction_test.cpp b/services/surfaceflinger/tests/LayerTypeAndRenderTypeTransaction_test.cpp
index 2fd2579..d666d7e 100644
--- a/services/surfaceflinger/tests/LayerTypeAndRenderTypeTransaction_test.cpp
+++ b/services/surfaceflinger/tests/LayerTypeAndRenderTypeTransaction_test.cpp
@@ -365,6 +365,67 @@
         getScreenCapture()->expectColor(Rect(0, 0, 32, 32), Color::RED);
     }
 }
+
+TEST_P(LayerTypeAndRenderTypeTransactionTest, SetBufferFormat) {
+    int32_t width = 100;
+    int32_t height = 100;
+    Rect crop = Rect(0, 0, width, height);
+
+    sp<SurfaceControl> behindLayer = createColorLayer("Behind layer", Color::RED);
+    sp<SurfaceControl> layer;
+    ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", width, height, 0, nullptr, nullptr,
+                                                PIXEL_FORMAT_RGBX_8888));
+
+    Transaction()
+            .setLayer(layer, INT32_MAX - 1)
+            .show(layer)
+            .setLayerStack(behindLayer, mDisplayLayerStack)
+            .setCrop_legacy(behindLayer, crop)
+            .setLayer(behindLayer, INT32_MAX - 2)
+            .show(behindLayer)
+            .apply();
+
+    sp<Surface> surface = layer->getSurface();
+
+    sp<GraphicBuffer> buffer =
+            new GraphicBuffer(width, height, PIXEL_FORMAT_RGBX_8888, 1,
+                              BufferUsage::CPU_READ_OFTEN | BufferUsage::CPU_WRITE_OFTEN |
+                                      BufferUsage::COMPOSER_OVERLAY,
+                              "test");
+    ASSERT_NO_FATAL_FAILURE(
+            TransactionUtils::fillGraphicBufferColor(buffer, crop, Color::TRANSPARENT));
+
+    if (mLayerType == ISurfaceComposerClient::eFXSurfaceBufferQueue) {
+        Surface::attachAndQueueBufferWithDataspace(surface.get(), buffer, ui::Dataspace::V0_SRGB);
+    } else {
+        Transaction().setBuffer(layer, buffer).apply();
+    }
+
+    {
+        SCOPED_TRACE("Buffer Opaque Format");
+        auto shot = screenshot();
+        shot->expectColor(crop, Color::BLACK);
+    }
+
+    buffer = new GraphicBuffer(width, height, PIXEL_FORMAT_RGBA_8888, 1,
+                               BufferUsage::CPU_READ_OFTEN | BufferUsage::CPU_WRITE_OFTEN |
+                                       BufferUsage::COMPOSER_OVERLAY,
+                               "test");
+    ASSERT_NO_FATAL_FAILURE(
+            TransactionUtils::fillGraphicBufferColor(buffer, crop, Color::TRANSPARENT));
+
+    if (mLayerType == ISurfaceComposerClient::eFXSurfaceBufferQueue) {
+        Surface::attachAndQueueBufferWithDataspace(surface.get(), buffer, ui::Dataspace::V0_SRGB);
+    } else {
+        Transaction().setBuffer(layer, buffer).apply();
+    }
+
+    {
+        SCOPED_TRACE("Buffer Transparent Format");
+        auto shot = screenshot();
+        shot->expectColor(crop, Color::RED);
+    }
+}
 } // namespace android
 
 // TODO(b/129481165): remove the #pragma below and fix conversion issues
diff --git a/services/surfaceflinger/tests/TransactionTestHarnesses.h b/services/surfaceflinger/tests/TransactionTestHarnesses.h
index 040852f..f0af363 100644
--- a/services/surfaceflinger/tests/TransactionTestHarnesses.h
+++ b/services/surfaceflinger/tests/TransactionTestHarnesses.h
@@ -88,13 +88,14 @@
 
     sp<SurfaceControl> createLayer(const char* name, uint32_t width, uint32_t height,
                                    uint32_t flags = 0, SurfaceControl* parent = nullptr,
-                                   uint32_t* outTransformHint = nullptr) {
+                                   uint32_t* outTransformHint = nullptr,
+                                   PixelFormat format = PIXEL_FORMAT_RGBA_8888) {
         // if the flags already have a layer type specified, return an error
         if (flags & ISurfaceComposerClient::eFXSurfaceMask) {
             return nullptr;
         }
         return LayerTransactionTest::createLayer(name, width, height, flags | mLayerType, parent,
-                                                 outTransformHint);
+                                                 outTransformHint, format);
     }
 
     void fillLayerColor(const sp<SurfaceControl>& layer, const Color& color, int32_t bufferWidth,
diff --git a/services/surfaceflinger/tests/unittests/Android.bp b/services/surfaceflinger/tests/unittests/Android.bp
index 1cd8731..2f2fb20 100644
--- a/services/surfaceflinger/tests/unittests/Android.bp
+++ b/services/surfaceflinger/tests/unittests/Android.bp
@@ -50,6 +50,7 @@
         "PhaseOffsetsTest.cpp",
         "SchedulerTest.cpp",
         "SchedulerUtilsTest.cpp",
+        "SetFrameRateTest.cpp",
         "RefreshRateConfigsTest.cpp",
         "RefreshRateSelectionTest.cpp",
         "RefreshRateStatsTest.cpp",
diff --git a/services/surfaceflinger/tests/unittests/CompositionTest.cpp b/services/surfaceflinger/tests/unittests/CompositionTest.cpp
index 680b0a0..2dcaf63 100644
--- a/services/surfaceflinger/tests/unittests/CompositionTest.cpp
+++ b/services/surfaceflinger/tests/unittests/CompositionTest.cpp
@@ -305,14 +305,14 @@
                 compositionengine::impl::createDisplay(test->mFlinger.getCompositionEngine(),
                                                        ceDisplayArgs);
 
-        test->mDisplay =
-                FakeDisplayDeviceInjector(test->mFlinger, compositionDisplay,
-                                          DisplayConnectionType::Internal, true /* isPrimary */)
-                        .setDisplaySurface(test->mDisplaySurface)
-                        .setNativeWindow(test->mNativeWindow)
-                        .setSecure(Derived::IS_SECURE)
-                        .setPowerMode(Derived::INIT_POWER_MODE)
-                        .inject();
+        test->mDisplay = FakeDisplayDeviceInjector(test->mFlinger, compositionDisplay,
+                                                   DisplayConnectionType::Internal, HWC_DISPLAY,
+                                                   true /* isPrimary */)
+                                 .setDisplaySurface(test->mDisplaySurface)
+                                 .setNativeWindow(test->mNativeWindow)
+                                 .setSecure(Derived::IS_SECURE)
+                                 .setPowerMode(Derived::INIT_POWER_MODE)
+                                 .inject();
         Mock::VerifyAndClear(test->mNativeWindow);
         test->mDisplay->setLayerStack(DEFAULT_LAYER_STACK);
     }
diff --git a/services/surfaceflinger/tests/unittests/DisplayIdentificationTest.cpp b/services/surfaceflinger/tests/unittests/DisplayIdentificationTest.cpp
index a023367..cc11aa9 100644
--- a/services/surfaceflinger/tests/unittests/DisplayIdentificationTest.cpp
+++ b/services/surfaceflinger/tests/unittests/DisplayIdentificationTest.cpp
@@ -14,6 +14,9 @@
  * limitations under the License.
  */
 
+#include <functional>
+#include <string_view>
+
 #include <gmock/gmock.h>
 #include <gtest/gtest.h>
 
@@ -93,7 +96,7 @@
         "\x0a\x20\x20\x20\x20\x20\x01\x47\x02\x03\x2d\x71\x50\x90\x05"
         "\x04\x03\x07\x02\x06\x01\x1f\x14\x13\x12\x16\x11\x15\x20\x2c"
         "\x09\x07\x03\x15\x07\x50\x57\x07\x00\x39\x07\xbb\x66\x03\x0c"
-        "\x00\x20\x00\x00\x83\x01\x00\x00\x01\x1d\x00\x72\x51\xd0\x1e"
+        "\x00\x12\x34\x00\x83\x01\x00\x00\x01\x1d\x00\x72\x51\xd0\x1e"
         "\x20\x6e\x28\x55\x00\xc4\x8e\x21\x00\x00\x1e\x01\x1d\x80\x18"
         "\x71\x1c\x16\x20\x58\x2c\x25\x00\xc4\x8e\x21\x00\x00\x9e\x8c"
         "\x0a\xd0\x8a\x20\xe0\x2d\x10\x10\x3e\x96\x00\x13\x8e\x21\x00"
@@ -124,6 +127,10 @@
     return DisplayIdentificationData(bytes, bytes + N - 1);
 }
 
+uint32_t hash(const char* str) {
+    return static_cast<uint32_t>(std::hash<std::string_view>()(str));
+}
+
 } // namespace
 
 const DisplayIdentificationData& getInternalEdid() {
@@ -173,55 +180,89 @@
     EXPECT_EQ(0x4ca3u, edid->manufacturerId);
     EXPECT_STREQ("SEC", edid->pnpId.data());
     // ASCII text should be used as fallback if display name and serial number are missing.
-    EXPECT_EQ("121AT11-801", edid->displayName);
+    EXPECT_EQ(hash("121AT11-801"), edid->modelHash);
+    EXPECT_TRUE(edid->displayName.empty());
     EXPECT_EQ(12610, edid->productId);
     EXPECT_EQ(21, edid->manufactureOrModelYear);
     EXPECT_EQ(0, edid->manufactureWeek);
+    EXPECT_FALSE(edid->cea861Block);
 
     edid = parseEdid(getExternalEdid());
     ASSERT_TRUE(edid);
     EXPECT_EQ(0x22f0u, edid->manufacturerId);
     EXPECT_STREQ("HWP", edid->pnpId.data());
+    EXPECT_EQ(hash("HP ZR30w"), edid->modelHash);
     EXPECT_EQ("HP ZR30w", edid->displayName);
     EXPECT_EQ(10348, edid->productId);
     EXPECT_EQ(22, edid->manufactureOrModelYear);
     EXPECT_EQ(2, edid->manufactureWeek);
+    EXPECT_FALSE(edid->cea861Block);
 
     edid = parseEdid(getExternalEedid());
     ASSERT_TRUE(edid);
     EXPECT_EQ(0x4c2du, edid->manufacturerId);
     EXPECT_STREQ("SAM", edid->pnpId.data());
+    EXPECT_EQ(hash("SAMSUNG"), edid->modelHash);
     EXPECT_EQ("SAMSUNG", edid->displayName);
     EXPECT_EQ(2302, edid->productId);
     EXPECT_EQ(21, edid->manufactureOrModelYear);
     EXPECT_EQ(41, edid->manufactureWeek);
+    ASSERT_TRUE(edid->cea861Block);
+    ASSERT_TRUE(edid->cea861Block->hdmiVendorDataBlock);
+    ASSERT_TRUE(edid->cea861Block->hdmiVendorDataBlock->physicalAddress);
+    auto physicalAddress = edid->cea861Block->hdmiVendorDataBlock->physicalAddress;
+    EXPECT_EQ(2, physicalAddress->a);
+    EXPECT_EQ(0, physicalAddress->b);
+    EXPECT_EQ(0, physicalAddress->c);
+    EXPECT_EQ(0, physicalAddress->d);
 
     edid = parseEdid(getPanasonicTvEdid());
     ASSERT_TRUE(edid);
     EXPECT_EQ(13481, edid->manufacturerId);
     EXPECT_STREQ("MEI", edid->pnpId.data());
+    EXPECT_EQ(hash("Panasonic-TV"), edid->modelHash);
     EXPECT_EQ("Panasonic-TV", edid->displayName);
     EXPECT_EQ(41622, edid->productId);
     EXPECT_EQ(29, edid->manufactureOrModelYear);
     EXPECT_EQ(0, edid->manufactureWeek);
+    ASSERT_TRUE(edid->cea861Block);
+    ASSERT_TRUE(edid->cea861Block->hdmiVendorDataBlock);
+    ASSERT_TRUE(edid->cea861Block->hdmiVendorDataBlock->physicalAddress);
+    physicalAddress = edid->cea861Block->hdmiVendorDataBlock->physicalAddress;
+    EXPECT_EQ(2, physicalAddress->a);
+    EXPECT_EQ(0, physicalAddress->b);
+    EXPECT_EQ(0, physicalAddress->c);
+    EXPECT_EQ(0, physicalAddress->d);
 
     edid = parseEdid(getHisenseTvEdid());
     ASSERT_TRUE(edid);
     EXPECT_EQ(8355, edid->manufacturerId);
     EXPECT_STREQ("HEC", edid->pnpId.data());
+    EXPECT_EQ(hash("Hisense"), edid->modelHash);
     EXPECT_EQ("Hisense", edid->displayName);
     EXPECT_EQ(0, edid->productId);
     EXPECT_EQ(29, edid->manufactureOrModelYear);
     EXPECT_EQ(18, edid->manufactureWeek);
+    ASSERT_TRUE(edid->cea861Block);
+    ASSERT_TRUE(edid->cea861Block->hdmiVendorDataBlock);
+    ASSERT_TRUE(edid->cea861Block->hdmiVendorDataBlock->physicalAddress);
+    physicalAddress = edid->cea861Block->hdmiVendorDataBlock->physicalAddress;
+    EXPECT_EQ(1, physicalAddress->a);
+    EXPECT_EQ(2, physicalAddress->b);
+    EXPECT_EQ(3, physicalAddress->c);
+    EXPECT_EQ(4, physicalAddress->d);
 
     edid = parseEdid(getCtlDisplayEdid());
     ASSERT_TRUE(edid);
     EXPECT_EQ(3724, edid->manufacturerId);
     EXPECT_STREQ("CTL", edid->pnpId.data());
+    EXPECT_EQ(hash("LP2361"), edid->modelHash);
     EXPECT_EQ("LP2361", edid->displayName);
     EXPECT_EQ(9373, edid->productId);
     EXPECT_EQ(23, edid->manufactureOrModelYear);
     EXPECT_EQ(0xff, edid->manufactureWeek);
+    ASSERT_TRUE(edid->cea861Block);
+    EXPECT_FALSE(edid->cea861Block->hdmiVendorDataBlock);
 }
 
 TEST(DisplayIdentificationTest, parseInvalidEdid) {
@@ -234,13 +275,15 @@
     auto edid = parseEdid(data);
     ASSERT_TRUE(edid);
     // Serial number should be used as fallback if display name is invalid.
-    EXPECT_EQ("CN4202137Q", edid->displayName);
+    const auto modelHash = hash("CN4202137Q");
+    EXPECT_EQ(modelHash, edid->modelHash);
+    EXPECT_TRUE(edid->displayName.empty());
 
     // Parsing should succeed even if EDID is truncated.
     data.pop_back();
     edid = parseEdid(data);
     ASSERT_TRUE(edid);
-    EXPECT_EQ("CN4202137Q", edid->displayName);
+    EXPECT_EQ(modelHash, edid->modelHash);
 }
 
 TEST(DisplayIdentificationTest, getPnpId) {
@@ -278,7 +321,7 @@
         ASSERT_TRUE(displayIdInfo);
         ASSERT_TRUE(displayIdInfo->deviceProductInfo);
         const auto& info = *displayIdInfo->deviceProductInfo;
-        EXPECT_STREQ("121AT11-801", info.name.data());
+        EXPECT_STREQ("", info.name.data());
         EXPECT_STREQ("SEC", info.manufacturerPnpId.data());
         EXPECT_STREQ("12610", info.productId.data());
         ASSERT_TRUE(std::holds_alternative<ManufactureYear>(info.manufactureOrModelDate));
diff --git a/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp b/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp
index 6d00ccc..24eeac7 100644
--- a/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp
+++ b/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp
@@ -246,6 +246,7 @@
     constexpr DisplayId DEFAULT_DISPLAY_ID = DisplayId{777};
     constexpr int DEFAULT_DISPLAY_WIDTH = 1080;
     constexpr int DEFAULT_DISPLAY_HEIGHT = 1920;
+    constexpr hwc2_display_t DEFAULT_DISPLAY_HWC_DISPLAY_ID = 0;
 
     // The DisplayDevice is required to have a framebuffer (behind the
     // ANativeWindow interface) which uses the actual hardware display
@@ -270,7 +271,7 @@
 
     auto injector =
             FakeDisplayDeviceInjector(mFlinger, compositionDisplay, DisplayConnectionType::Internal,
-                                      true /* isPrimary */);
+                                      DEFAULT_DISPLAY_HWC_DISPLAY_ID, true /* isPrimary */);
 
     injector.setNativeWindow(mNativeWindow);
     if (injectExtra) {
@@ -373,6 +374,23 @@
     static constexpr std::optional<DisplayConnectionType> value = PhysicalDisplay::CONNECTION_TYPE;
 };
 
+template <typename>
+struct HwcDisplayIdGetter {
+    static constexpr std::optional<hwc2_display_t> value;
+};
+
+constexpr hwc2_display_t HWC_VIRTUAL_DISPLAY_HWC_DISPLAY_ID = 1010;
+
+template <DisplayId::Type displayId>
+struct HwcDisplayIdGetter<VirtualDisplayId<displayId>> {
+    static constexpr std::optional<hwc2_display_t> value = HWC_VIRTUAL_DISPLAY_HWC_DISPLAY_ID;
+};
+
+template <typename PhysicalDisplay>
+struct HwcDisplayIdGetter<PhysicalDisplayId<PhysicalDisplay>> {
+    static constexpr std::optional<hwc2_display_t> value = PhysicalDisplay::HWC_DISPLAY_ID;
+};
+
 // DisplayIdType can be:
 //     1) PhysicalDisplayId<...> for generated ID of physical display backed by HWC.
 //     2) VirtualDisplayId<...> for hard-coded ID of virtual display backed by HWC.
@@ -382,6 +400,7 @@
 struct DisplayVariant {
     using DISPLAY_ID = DisplayIdGetter<DisplayIdType>;
     using CONNECTION_TYPE = DisplayConnectionTypeGetter<DisplayIdType>;
+    using HWC_DISPLAY_ID_OPT = HwcDisplayIdGetter<DisplayIdType>;
 
     // The display width and height
     static constexpr int WIDTH = width;
@@ -418,9 +437,9 @@
                 compositionengine::impl::createDisplay(test->mFlinger.getCompositionEngine(),
                                                        ceDisplayArgs.build());
 
-        auto injector =
-                FakeDisplayDeviceInjector(test->mFlinger, compositionDisplay,
-                                          CONNECTION_TYPE::value, static_cast<bool>(PRIMARY));
+        auto injector = FakeDisplayDeviceInjector(test->mFlinger, compositionDisplay,
+                                                  CONNECTION_TYPE::value, HWC_DISPLAY_ID_OPT::value,
+                                                  static_cast<bool>(PRIMARY));
 
         injector.setSecure(static_cast<bool>(SECURE));
         injector.setNativeWindow(test->mNativeWindow);
@@ -603,12 +622,11 @@
 constexpr uint32_t GRALLOC_USAGE_PHYSICAL_DISPLAY =
         GRALLOC_USAGE_HW_RENDER | GRALLOC_USAGE_HW_COMPOSER | GRALLOC_USAGE_HW_FB;
 
-template <hwc2_display_t hwcDisplayId, typename PhysicalDisplay, int width, int height,
-          Critical critical>
+template <typename PhysicalDisplay, int width, int height, Critical critical>
 struct PhysicalDisplayVariant
       : DisplayVariant<PhysicalDisplayId<PhysicalDisplay>, width, height, critical, Async::FALSE,
                        Secure::TRUE, PhysicalDisplay::PRIMARY, GRALLOC_USAGE_PHYSICAL_DISPLAY>,
-        HwcDisplayVariant<hwcDisplayId, HWC2::DisplayType::Physical,
+        HwcDisplayVariant<PhysicalDisplay::HWC_DISPLAY_ID, HWC2::DisplayType::Physical,
                           DisplayVariant<PhysicalDisplayId<PhysicalDisplay>, width, height,
                                          critical, Async::FALSE, Secure::TRUE,
                                          PhysicalDisplay::PRIMARY, GRALLOC_USAGE_PHYSICAL_DISPLAY>,
@@ -619,6 +637,7 @@
     static constexpr auto CONNECTION_TYPE = DisplayConnectionType::Internal;
     static constexpr Primary PRIMARY = Primary::TRUE;
     static constexpr uint8_t PORT = 255;
+    static constexpr hwc2_display_t HWC_DISPLAY_ID = 1001;
     static constexpr bool HAS_IDENTIFICATION_DATA = hasIdentificationData;
     static constexpr auto GET_IDENTIFICATION_DATA = getInternalEdid;
 };
@@ -628,6 +647,7 @@
     static constexpr auto CONNECTION_TYPE = DisplayConnectionType::External;
     static constexpr Primary PRIMARY = Primary::FALSE;
     static constexpr uint8_t PORT = 254;
+    static constexpr hwc2_display_t HWC_DISPLAY_ID = 1002;
     static constexpr bool HAS_IDENTIFICATION_DATA = hasIdentificationData;
     static constexpr auto GET_IDENTIFICATION_DATA = getExternalEdid;
 };
@@ -635,19 +655,19 @@
 struct TertiaryDisplay {
     static constexpr Primary PRIMARY = Primary::FALSE;
     static constexpr uint8_t PORT = 253;
+    static constexpr hwc2_display_t HWC_DISPLAY_ID = 1003;
     static constexpr auto GET_IDENTIFICATION_DATA = getExternalEdid;
 };
 
 // A primary display is a physical display that is critical
 using PrimaryDisplayVariant =
-        PhysicalDisplayVariant<1001, PrimaryDisplay<false>, 3840, 2160, Critical::TRUE>;
+        PhysicalDisplayVariant<PrimaryDisplay<false>, 3840, 2160, Critical::TRUE>;
 
 // An external display is physical display that is not critical.
 using ExternalDisplayVariant =
-        PhysicalDisplayVariant<1002, ExternalDisplay<false>, 1920, 1280, Critical::FALSE>;
+        PhysicalDisplayVariant<ExternalDisplay<false>, 1920, 1280, Critical::FALSE>;
 
-using TertiaryDisplayVariant =
-        PhysicalDisplayVariant<1003, TertiaryDisplay, 1600, 1200, Critical::FALSE>;
+using TertiaryDisplayVariant = PhysicalDisplayVariant<TertiaryDisplay, 1600, 1200, Critical::FALSE>;
 
 // A virtual display not supported by the HWC.
 constexpr uint32_t GRALLOC_USAGE_NONHWC_VIRTUAL_DISPLAY = 0;
@@ -696,7 +716,7 @@
       : DisplayVariant<VirtualDisplayId<42>, width, height, Critical::FALSE, Async::TRUE, secure,
                        Primary::FALSE, GRALLOC_USAGE_HWC_VIRTUAL_DISPLAY>,
         HwcDisplayVariant<
-                1010, HWC2::DisplayType::Virtual,
+                HWC_VIRTUAL_DISPLAY_HWC_DISPLAY_ID, HWC2::DisplayType::Virtual,
                 DisplayVariant<VirtualDisplayId<42>, width, height, Critical::FALSE, Async::TRUE,
                                secure, Primary::FALSE, GRALLOC_USAGE_HWC_VIRTUAL_DISPLAY>> {
     using Base = DisplayVariant<VirtualDisplayId<42>, width, height, Critical::FALSE, Async::TRUE,
@@ -1767,7 +1787,9 @@
     if (const auto connectionType = Case::Display::CONNECTION_TYPE::value) {
         const auto displayId = Case::Display::DISPLAY_ID::get();
         ASSERT_TRUE(displayId);
-        state.physical = {*displayId, *connectionType};
+        const auto hwcDisplayId = Case::Display::HWC_DISPLAY_ID_OPT::value;
+        ASSERT_TRUE(hwcDisplayId);
+        state.physical = {*displayId, *connectionType, *hwcDisplayId};
     }
 
     state.isSecure = static_cast<bool>(Case::Display::SECURE);
@@ -1941,7 +1963,9 @@
     if (const auto connectionType = Case::Display::CONNECTION_TYPE::value) {
         const auto displayId = Case::Display::DISPLAY_ID::get();
         ASSERT_TRUE(displayId);
-        expectedPhysical = {*displayId, *connectionType};
+        const auto hwcDisplayId = Case::Display::HWC_DISPLAY_ID_OPT::value;
+        ASSERT_TRUE(hwcDisplayId);
+        expectedPhysical = {*displayId, *connectionType, *hwcDisplayId};
     }
 
     // The display should have been set up in the current display state
@@ -2124,11 +2148,11 @@
     ignoresHotplugConnectCommon<SimpleExternalDisplayCase>();
 }
 
-TEST_F(HandleTransactionLockedTest, processHotplugDisconnectPrimaryDisplay) {
+TEST_F(HandleTransactionLockedTest, processesHotplugDisconnectPrimaryDisplay) {
     processesHotplugDisconnectCommon<SimplePrimaryDisplayCase>();
 }
 
-TEST_F(HandleTransactionLockedTest, processHotplugDisconnectExternalDisplay) {
+TEST_F(HandleTransactionLockedTest, processesHotplugDisconnectExternalDisplay) {
     processesHotplugDisconnectCommon<SimpleExternalDisplayCase>();
 }
 
diff --git a/services/surfaceflinger/tests/unittests/EventThreadTest.cpp b/services/surfaceflinger/tests/unittests/EventThreadTest.cpp
index 65b3e35..ba5c0c2 100644
--- a/services/surfaceflinger/tests/unittests/EventThreadTest.cpp
+++ b/services/surfaceflinger/tests/unittests/EventThreadTest.cpp
@@ -48,6 +48,7 @@
     MOCK_METHOD1(setCallback, void(VSyncSource::Callback*));
     MOCK_METHOD1(setPhaseOffset, void(nsecs_t));
     MOCK_METHOD1(pauseVsyncCallback, void(bool));
+    MOCK_CONST_METHOD1(dump, void(std::string&));
 };
 
 } // namespace
diff --git a/services/surfaceflinger/tests/unittests/LayerHistoryTest.cpp b/services/surfaceflinger/tests/unittests/LayerHistoryTest.cpp
index 18e9941..7557faf 100644
--- a/services/surfaceflinger/tests/unittests/LayerHistoryTest.cpp
+++ b/services/surfaceflinger/tests/unittests/LayerHistoryTest.cpp
@@ -84,7 +84,7 @@
     const auto layer = createLayer();
     EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
     EXPECT_CALL(*layer, getFrameSelectionPriority()).WillRepeatedly(Return(1));
-    EXPECT_CALL(*layer, getFrameRate()).WillRepeatedly(Return(Layer::FrameRate()));
+    EXPECT_CALL(*layer, getFrameRateForLayerTree()).WillRepeatedly(Return(Layer::FrameRate()));
 
     EXPECT_EQ(1, layerCount());
     EXPECT_EQ(0, activeLayerCount());
@@ -113,7 +113,7 @@
     const auto layer = createLayer();
     EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
     EXPECT_CALL(*layer, getFrameSelectionPriority()).WillRepeatedly(Return(1));
-    EXPECT_CALL(*layer, getFrameRate()).WillRepeatedly(Return(Layer::FrameRate()));
+    EXPECT_CALL(*layer, getFrameRateForLayerTree()).WillRepeatedly(Return(Layer::FrameRate()));
 
     EXPECT_EQ(1, layerCount());
     EXPECT_EQ(0, activeLayerCount());
@@ -137,15 +137,15 @@
 
     EXPECT_CALL(*layer1, isVisible()).WillRepeatedly(Return(true));
     EXPECT_CALL(*layer1, getFrameSelectionPriority()).WillRepeatedly(Return(1));
-    EXPECT_CALL(*layer1, getFrameRate()).WillRepeatedly(Return(Layer::FrameRate()));
+    EXPECT_CALL(*layer1, getFrameRateForLayerTree()).WillRepeatedly(Return(Layer::FrameRate()));
 
     EXPECT_CALL(*layer2, isVisible()).WillRepeatedly(Return(true));
     EXPECT_CALL(*layer2, getFrameSelectionPriority()).WillRepeatedly(Return(1));
-    EXPECT_CALL(*layer2, getFrameRate()).WillRepeatedly(Return(Layer::FrameRate()));
+    EXPECT_CALL(*layer2, getFrameRateForLayerTree()).WillRepeatedly(Return(Layer::FrameRate()));
 
     EXPECT_CALL(*layer3, isVisible()).WillRepeatedly(Return(true));
     EXPECT_CALL(*layer3, getFrameSelectionPriority()).WillRepeatedly(Return(1));
-    EXPECT_CALL(*layer3, getFrameRate()).WillRepeatedly(Return(Layer::FrameRate()));
+    EXPECT_CALL(*layer3, getFrameRateForLayerTree()).WillRepeatedly(Return(Layer::FrameRate()));
     nsecs_t time = mTime;
 
     EXPECT_EQ(3, layerCount());
diff --git a/services/surfaceflinger/tests/unittests/LayerHistoryTestV2.cpp b/services/surfaceflinger/tests/unittests/LayerHistoryTestV2.cpp
index 37da76b..8559a5e 100644
--- a/services/surfaceflinger/tests/unittests/LayerHistoryTestV2.cpp
+++ b/services/surfaceflinger/tests/unittests/LayerHistoryTestV2.cpp
@@ -91,7 +91,7 @@
 TEST_F(LayerHistoryTestV2, oneLayer) {
     const auto layer = createLayer();
     EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
-    EXPECT_CALL(*layer, getFrameRate()).WillRepeatedly(Return(Layer::FrameRate()));
+    EXPECT_CALL(*layer, getFrameRateForLayerTree()).WillRepeatedly(Return(Layer::FrameRate()));
 
     EXPECT_EQ(1, layerCount());
     EXPECT_EQ(0, activeLayerCount());
@@ -122,7 +122,7 @@
 TEST_F(LayerHistoryTestV2, oneInvisibleLayer) {
     const auto layer = createLayer();
     EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
-    EXPECT_CALL(*layer, getFrameRate()).WillRepeatedly(Return(Layer::FrameRate()));
+    EXPECT_CALL(*layer, getFrameRateForLayerTree()).WillRepeatedly(Return(Layer::FrameRate()));
 
     EXPECT_EQ(1, layerCount());
     EXPECT_EQ(0, activeLayerCount());
@@ -146,7 +146,7 @@
 TEST_F(LayerHistoryTestV2, explicitTimestamp) {
     const auto layer = createLayer();
     EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
-    EXPECT_CALL(*layer, getFrameRate()).WillRepeatedly(Return(Layer::FrameRate()));
+    EXPECT_CALL(*layer, getFrameRateForLayerTree()).WillRepeatedly(Return(Layer::FrameRate()));
 
     EXPECT_EQ(1, layerCount());
     EXPECT_EQ(0, activeLayerCount());
@@ -167,7 +167,7 @@
 TEST_F(LayerHistoryTestV2, oneLayerNoVote) {
     const auto layer = createLayer();
     EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
-    EXPECT_CALL(*layer, getFrameRate()).WillRepeatedly(Return(Layer::FrameRate()));
+    EXPECT_CALL(*layer, getFrameRateForLayerTree()).WillRepeatedly(Return(Layer::FrameRate()));
 
     setLayerInfoVote(layer.get(), LayerHistory::LayerVoteType::NoVote);
 
@@ -194,7 +194,7 @@
 TEST_F(LayerHistoryTestV2, oneLayerMinVote) {
     const auto layer = createLayer();
     EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
-    EXPECT_CALL(*layer, getFrameRate()).WillRepeatedly(Return(Layer::FrameRate()));
+    EXPECT_CALL(*layer, getFrameRateForLayerTree()).WillRepeatedly(Return(Layer::FrameRate()));
 
     setLayerInfoVote(layer.get(), LayerHistory::LayerVoteType::Min);
 
@@ -222,7 +222,7 @@
 TEST_F(LayerHistoryTestV2, oneLayerMaxVote) {
     const auto layer = createLayer();
     EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
-    EXPECT_CALL(*layer, getFrameRate()).WillRepeatedly(Return(Layer::FrameRate()));
+    EXPECT_CALL(*layer, getFrameRateForLayerTree()).WillRepeatedly(Return(Layer::FrameRate()));
 
     setLayerInfoVote(layer.get(), LayerHistory::LayerVoteType::Max);
 
@@ -250,7 +250,7 @@
 TEST_F(LayerHistoryTestV2, oneLayerExplicitVote) {
     auto layer = createLayer();
     EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
-    EXPECT_CALL(*layer, getFrameRate())
+    EXPECT_CALL(*layer, getFrameRateForLayerTree())
             .WillRepeatedly(
                     Return(Layer::FrameRate(73.4f, Layer::FrameRateCompatibility::Default)));
 
@@ -273,7 +273,8 @@
     setLayerInfoVote(layer.get(), LayerHistory::LayerVoteType::Heuristic);
     time += MAX_ACTIVE_LAYER_PERIOD_NS.count();
     ASSERT_TRUE(history().summarize(time).empty());
-    // TODO: activeLayerCount() should be 0 but it is 1 since getFrameRate() returns a value > 0
+    // TODO: activeLayerCount() should be 0 but it is 1 since getFrameRateForLayerTree() returns a
+    // value > 0
     EXPECT_EQ(1, activeLayerCount());
     EXPECT_EQ(0, frequentLayerCount(time));
 }
@@ -281,7 +282,7 @@
 TEST_F(LayerHistoryTestV2, oneLayerExplicitExactVote) {
     auto layer = createLayer();
     EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
-    EXPECT_CALL(*layer, getFrameRate())
+    EXPECT_CALL(*layer, getFrameRateForLayerTree())
             .WillRepeatedly(Return(
                     Layer::FrameRate(73.4f, Layer::FrameRateCompatibility::ExactOrMultiple)));
 
@@ -305,7 +306,8 @@
     setLayerInfoVote(layer.get(), LayerHistory::LayerVoteType::Heuristic);
     time += MAX_ACTIVE_LAYER_PERIOD_NS.count();
     ASSERT_TRUE(history().summarize(time).empty());
-    // TODO: activeLayerCount() should be 0 but it is 1 since getFrameRate() returns a value > 0
+    // TODO: activeLayerCount() should be 0 but it is 1 since getFrameRateForLayerTree() returns a
+    // value > 0
     EXPECT_EQ(1, activeLayerCount());
     EXPECT_EQ(0, frequentLayerCount(time));
 }
@@ -316,13 +318,13 @@
     auto layer3 = createLayer();
 
     EXPECT_CALL(*layer1, isVisible()).WillRepeatedly(Return(true));
-    EXPECT_CALL(*layer1, getFrameRate()).WillRepeatedly(Return(Layer::FrameRate()));
+    EXPECT_CALL(*layer1, getFrameRateForLayerTree()).WillRepeatedly(Return(Layer::FrameRate()));
 
     EXPECT_CALL(*layer2, isVisible()).WillRepeatedly(Return(true));
-    EXPECT_CALL(*layer2, getFrameRate()).WillRepeatedly(Return(Layer::FrameRate()));
+    EXPECT_CALL(*layer2, getFrameRateForLayerTree()).WillRepeatedly(Return(Layer::FrameRate()));
 
     EXPECT_CALL(*layer3, isVisible()).WillRepeatedly(Return(true));
-    EXPECT_CALL(*layer3, getFrameRate()).WillRepeatedly(Return(Layer::FrameRate()));
+    EXPECT_CALL(*layer3, getFrameRateForLayerTree()).WillRepeatedly(Return(Layer::FrameRate()));
 
     nsecs_t time = systemTime();
 
@@ -456,7 +458,7 @@
     auto layer = createLayer();
 
     EXPECT_CALL(*layer, isVisible()).WillRepeatedly(Return(true));
-    EXPECT_CALL(*layer, getFrameRate()).WillRepeatedly(Return(Layer::FrameRate()));
+    EXPECT_CALL(*layer, getFrameRateForLayerTree()).WillRepeatedly(Return(Layer::FrameRate()));
 
     nsecs_t time = systemTime();
 
diff --git a/services/surfaceflinger/tests/unittests/PhaseOffsetsTest.cpp b/services/surfaceflinger/tests/unittests/PhaseOffsetsTest.cpp
index 910e73b..8d49201 100644
--- a/services/surfaceflinger/tests/unittests/PhaseOffsetsTest.cpp
+++ b/services/surfaceflinger/tests/unittests/PhaseOffsetsTest.cpp
@@ -42,25 +42,25 @@
                                  appEarlyGlDuration) {}
 };
 
-class PhaseOffsetsTest : public testing::Test {
+class PhaseDurationTest : public testing::Test {
 protected:
-    PhaseOffsetsTest()
-          : mPhaseOffsets(60.0f, 10'500'000, 20'500'000, 16'000'000, 33'500'000, 13'500'000,
-                          38'000'000) {}
+    PhaseDurationTest()
+          : mPhaseDurations(60.0f, 10'500'000, 20'500'000, 16'000'000, 33'500'000, 13'500'000,
+                            38'000'000) {}
 
-    ~PhaseOffsetsTest() = default;
+    ~PhaseDurationTest() = default;
 
-    TestablePhaseOffsetsAsDurations mPhaseOffsets;
+    TestablePhaseOffsetsAsDurations mPhaseDurations;
 };
 
 namespace {
 /* ------------------------------------------------------------------------
  * Test cases
  */
-TEST_F(PhaseOffsetsTest, getOffsetsForRefreshRate_60Hz) {
-    mPhaseOffsets.setRefreshRateFps(60.0f);
-    auto currentOffsets = mPhaseOffsets.getCurrentOffsets();
-    auto offsets = mPhaseOffsets.getOffsetsForRefreshRate(60.0f);
+TEST_F(PhaseDurationTest, getOffsetsForRefreshRate_60Hz) {
+    mPhaseDurations.setRefreshRateFps(60.0f);
+    auto currentOffsets = mPhaseDurations.getCurrentOffsets();
+    auto offsets = mPhaseDurations.getOffsetsForRefreshRate(60.0f);
 
     EXPECT_EQ(currentOffsets, offsets);
     EXPECT_EQ(offsets.late.sf, 6'166'667);
@@ -76,10 +76,10 @@
     EXPECT_EQ(offsets.earlyGl.app, 15'166'668);
 }
 
-TEST_F(PhaseOffsetsTest, getOffsetsForRefreshRate_90Hz) {
-    mPhaseOffsets.setRefreshRateFps(90.0f);
-    auto currentOffsets = mPhaseOffsets.getCurrentOffsets();
-    auto offsets = mPhaseOffsets.getOffsetsForRefreshRate(90.0f);
+TEST_F(PhaseDurationTest, getOffsetsForRefreshRate_90Hz) {
+    mPhaseDurations.setRefreshRateFps(90.0f);
+    auto currentOffsets = mPhaseDurations.getCurrentOffsets();
+    auto offsets = mPhaseDurations.getOffsetsForRefreshRate(90.0f);
 
     EXPECT_EQ(currentOffsets, offsets);
     EXPECT_EQ(offsets.late.sf, 611'111);
@@ -95,7 +95,7 @@
     EXPECT_EQ(offsets.earlyGl.app, 4'055'555);
 }
 
-TEST_F(PhaseOffsetsTest, getOffsetsForRefreshRate_DefaultOffsets) {
+TEST_F(PhaseDurationTest, getOffsetsForRefreshRate_DefaultOffsets) {
     TestablePhaseOffsetsAsDurations phaseOffsetsWithDefaultValues(60.0f, -1, -1, -1, -1, -1, -1);
 
     auto validateOffsets = [](auto& offsets) {
@@ -125,6 +125,54 @@
     validateOffsets(offsets);
 }
 
+TEST_F(PhaseDurationTest, getOffsetsForRefreshRate_unknownRefreshRate) {
+    auto offsets = mPhaseDurations.getOffsetsForRefreshRate(14.7f);
+
+    EXPECT_EQ(offsets.late.sf, 57'527'208);
+
+    EXPECT_EQ(offsets.late.app, 37'027'208);
+
+    EXPECT_EQ(offsets.early.sf, 52'027'208);
+
+    EXPECT_EQ(offsets.early.app, 18'527'208);
+
+    EXPECT_EQ(offsets.earlyGl.sf, 54'527'208);
+
+    EXPECT_EQ(offsets.earlyGl.app, 16'527'208);
+}
+
+} // namespace
+
+class TestablePhaseOffsets : public impl::PhaseOffsets {
+public:
+    TestablePhaseOffsets() : impl::PhaseOffsets({60.0f, 90.0f}, 60.0f, 10'000'000) {}
+};
+
+class PhaseOffsetsTest : public testing::Test {
+protected:
+    PhaseOffsetsTest() = default;
+    ~PhaseOffsetsTest() = default;
+
+    TestablePhaseOffsets mPhaseOffsets;
+};
+
+namespace {
+TEST_F(PhaseOffsetsTest, getOffsetsForRefreshRate_unknownRefreshRate) {
+    auto offsets = mPhaseOffsets.getOffsetsForRefreshRate(14.7f);
+
+    EXPECT_EQ(offsets.late.sf, 1'000'000);
+
+    EXPECT_EQ(offsets.late.app, 1'000'000);
+
+    EXPECT_EQ(offsets.early.sf, 1'000'000);
+
+    EXPECT_EQ(offsets.early.app, 1'000'000);
+
+    EXPECT_EQ(offsets.earlyGl.sf, 1'000'000);
+
+    EXPECT_EQ(offsets.earlyGl.app, 1'000'000);
+}
+
 } // namespace
 } // namespace scheduler
 } // namespace android
diff --git a/services/surfaceflinger/tests/unittests/RefreshRateConfigsTest.cpp b/services/surfaceflinger/tests/unittests/RefreshRateConfigsTest.cpp
index 4a179b6..dd04076 100644
--- a/services/surfaceflinger/tests/unittests/RefreshRateConfigsTest.cpp
+++ b/services/surfaceflinger/tests/unittests/RefreshRateConfigsTest.cpp
@@ -21,6 +21,7 @@
 #include <log/log.h>
 #include <thread>
 
+#include "../../Scheduler/RefreshRateConfigs.h"
 #include "DisplayHardware/HWC2.h"
 #include "Scheduler/RefreshRateConfigs.h"
 
@@ -248,6 +249,7 @@
 }
 
 TEST_F(RefreshRateConfigsTest, getRefreshRateForContentV2_noLayers) {
+    bool ignored;
     std::vector<RefreshRateConfigs::InputConfig> configs{
             {{HWC_CONFIG_ID_60, HWC_GROUP_ID_0, VSYNC_60},
              {HWC_CONFIG_ID_72, HWC_GROUP_ID_0, VSYNC_72},
@@ -263,16 +265,17 @@
     auto layers = std::vector<LayerRequirement>{};
     EXPECT_EQ(expected72Config,
               refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/
-                                                             false));
+                                                             false, &ignored));
 
     // Current refresh rate can always be changed.
     refreshRateConfigs->setCurrentConfigId(HWC_CONFIG_ID_60);
     EXPECT_EQ(expected60Config,
               refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/
-                                                             false));
+                                                             false, &ignored));
 }
 
 TEST_F(RefreshRateConfigsTest, getRefreshRateForContentV2_60_90) {
+    bool ignored;
     std::vector<RefreshRateConfigs::InputConfig> configs{
             {{HWC_CONFIG_ID_60, HWC_GROUP_ID_0, VSYNC_60},
              {HWC_CONFIG_ID_90, HWC_GROUP_ID_0, VSYNC_90}}};
@@ -288,134 +291,163 @@
     lr.vote = LayerVoteType::Min;
     lr.name = "Min";
     EXPECT_EQ(expected60Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr.vote = LayerVoteType::Max;
     lr.name = "Max";
     EXPECT_EQ(expected90Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr.desiredRefreshRate = 90.0f;
     lr.vote = LayerVoteType::Heuristic;
     lr.name = "90Hz Heuristic";
     EXPECT_EQ(expected90Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr.desiredRefreshRate = 60.0f;
     lr.name = "60Hz Heuristic";
     EXPECT_EQ(expected60Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr.desiredRefreshRate = 45.0f;
     lr.name = "45Hz Heuristic";
     EXPECT_EQ(expected90Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr.desiredRefreshRate = 30.0f;
     lr.name = "30Hz Heuristic";
     EXPECT_EQ(expected60Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr.desiredRefreshRate = 24.0f;
     lr.name = "24Hz Heuristic";
     EXPECT_EQ(expected60Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr.name = "";
     ASSERT_GE(refreshRateConfigs->setPolicy(HWC_CONFIG_ID_60, 60, 60, nullptr), 0);
 
     lr.vote = LayerVoteType::Min;
     EXPECT_EQ(expected60Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr.vote = LayerVoteType::Max;
     EXPECT_EQ(expected60Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr.desiredRefreshRate = 90.0f;
     lr.vote = LayerVoteType::Heuristic;
     EXPECT_EQ(expected60Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr.desiredRefreshRate = 60.0f;
     EXPECT_EQ(expected60Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr.desiredRefreshRate = 45.0f;
     EXPECT_EQ(expected60Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr.desiredRefreshRate = 30.0f;
     EXPECT_EQ(expected60Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr.desiredRefreshRate = 24.0f;
     EXPECT_EQ(expected60Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     ASSERT_GE(refreshRateConfigs->setPolicy(HWC_CONFIG_ID_90, 90, 90, nullptr), 0);
 
     lr.vote = LayerVoteType::Min;
     EXPECT_EQ(expected90Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr.vote = LayerVoteType::Max;
     EXPECT_EQ(expected90Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr.desiredRefreshRate = 90.0f;
     lr.vote = LayerVoteType::Heuristic;
     EXPECT_EQ(expected90Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr.desiredRefreshRate = 60.0f;
     EXPECT_EQ(expected90Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr.desiredRefreshRate = 45.0f;
     EXPECT_EQ(expected90Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr.desiredRefreshRate = 30.0f;
     EXPECT_EQ(expected90Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr.desiredRefreshRate = 24.0f;
     EXPECT_EQ(expected90Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     ASSERT_GE(refreshRateConfigs->setPolicy(HWC_CONFIG_ID_60, 0, 120, nullptr), 0);
     lr.vote = LayerVoteType::Min;
     EXPECT_EQ(expected60Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr.vote = LayerVoteType::Max;
     EXPECT_EQ(expected90Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr.desiredRefreshRate = 90.0f;
     lr.vote = LayerVoteType::Heuristic;
     EXPECT_EQ(expected90Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr.desiredRefreshRate = 60.0f;
     EXPECT_EQ(expected60Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr.desiredRefreshRate = 45.0f;
     EXPECT_EQ(expected90Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr.desiredRefreshRate = 30.0f;
     EXPECT_EQ(expected60Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr.desiredRefreshRate = 24.0f;
     EXPECT_EQ(expected60Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 }
 
 TEST_F(RefreshRateConfigsTest, getRefreshRateForContentV2_60_72_90) {
+    bool ignored;
     std::vector<RefreshRateConfigs::InputConfig> configs{
             {{HWC_CONFIG_ID_60, HWC_GROUP_ID_0, VSYNC_60},
              {HWC_CONFIG_ID_72, HWC_GROUP_ID_0, VSYNC_72},
@@ -432,35 +464,43 @@
 
     lr.vote = LayerVoteType::Min;
     EXPECT_EQ(expected60Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr.vote = LayerVoteType::Max;
     EXPECT_EQ(expected90Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr.desiredRefreshRate = 90.0f;
     lr.vote = LayerVoteType::Heuristic;
     EXPECT_EQ(expected90Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr.desiredRefreshRate = 60.0f;
     EXPECT_EQ(expected60Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr.desiredRefreshRate = 45.0f;
     EXPECT_EQ(expected90Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr.desiredRefreshRate = 30.0f;
     EXPECT_EQ(expected60Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr.desiredRefreshRate = 24.0f;
     EXPECT_EQ(expected72Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 }
 
 TEST_F(RefreshRateConfigsTest, getRefreshRateForContentV2_30_60_72_90_120) {
+    bool ignored;
     std::vector<RefreshRateConfigs::InputConfig> configs{
             {{HWC_CONFIG_ID_30, HWC_GROUP_ID_0, VSYNC_30},
              {HWC_CONFIG_ID_60, HWC_GROUP_ID_0, VSYNC_60},
@@ -486,24 +526,28 @@
     lr2.desiredRefreshRate = 60.0f;
     lr2.vote = LayerVoteType::Heuristic;
     EXPECT_EQ(expected120Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr1.desiredRefreshRate = 24.0f;
     lr1.vote = LayerVoteType::Heuristic;
     lr2.desiredRefreshRate = 48.0f;
     lr2.vote = LayerVoteType::Heuristic;
     EXPECT_EQ(expected72Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr1.desiredRefreshRate = 24.0f;
     lr1.vote = LayerVoteType::Heuristic;
     lr2.desiredRefreshRate = 48.0f;
     lr2.vote = LayerVoteType::Heuristic;
     EXPECT_EQ(expected72Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 }
 
 TEST_F(RefreshRateConfigsTest, getRefreshRateForContentV2_30_60_90_120_DifferentTypes) {
+    bool ignored;
     std::vector<RefreshRateConfigs::InputConfig> configs{
             {{HWC_CONFIG_ID_30, HWC_GROUP_ID_0, VSYNC_30},
              {HWC_CONFIG_ID_60, HWC_GROUP_ID_0, VSYNC_60},
@@ -531,7 +575,8 @@
     lr2.vote = LayerVoteType::Heuristic;
     lr2.name = "60Hz Heuristic";
     EXPECT_EQ(expected120Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr1.desiredRefreshRate = 24.0f;
     lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
@@ -540,7 +585,8 @@
     lr2.vote = LayerVoteType::Heuristic;
     lr2.name = "60Hz Heuristic";
     EXPECT_EQ(expected120Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr1.desiredRefreshRate = 24.0f;
     lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
@@ -549,7 +595,8 @@
     lr2.vote = LayerVoteType::ExplicitDefault;
     lr2.name = "60Hz ExplicitDefault";
     EXPECT_EQ(expected120Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr1.desiredRefreshRate = 24.0f;
     lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
@@ -558,7 +605,8 @@
     lr2.vote = LayerVoteType::Heuristic;
     lr2.name = "90Hz Heuristic";
     EXPECT_EQ(expected90Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr1.desiredRefreshRate = 24.0f;
     lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
@@ -567,7 +615,8 @@
     lr2.vote = LayerVoteType::ExplicitDefault;
     lr2.name = "90Hz Heuristic";
     EXPECT_EQ(expected72Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr1.desiredRefreshRate = 24.0f;
     lr1.vote = LayerVoteType::ExplicitDefault;
@@ -576,7 +625,8 @@
     lr2.vote = LayerVoteType::Heuristic;
     lr2.name = "90Hz Heuristic";
     EXPECT_EQ(expected90Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr1.desiredRefreshRate = 24.0f;
     lr1.vote = LayerVoteType::Heuristic;
@@ -585,7 +635,8 @@
     lr2.vote = LayerVoteType::ExplicitDefault;
     lr2.name = "90Hz ExplicitDefault";
     EXPECT_EQ(expected72Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr1.desiredRefreshRate = 24.0f;
     lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
@@ -594,7 +645,8 @@
     lr2.vote = LayerVoteType::ExplicitDefault;
     lr2.name = "90Hz ExplicitDefault";
     EXPECT_EQ(expected72Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr1.desiredRefreshRate = 24.0f;
     lr1.vote = LayerVoteType::ExplicitDefault;
@@ -603,10 +655,12 @@
     lr2.vote = LayerVoteType::ExplicitExactOrMultiple;
     lr2.name = "90Hz ExplicitExactOrMultiple";
     EXPECT_EQ(expected90Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 }
 
 TEST_F(RefreshRateConfigsTest, getRefreshRateForContentV2_30_60) {
+    bool ignored;
     std::vector<RefreshRateConfigs::InputConfig> configs{
             {{HWC_CONFIG_ID_60, HWC_GROUP_ID_0, VSYNC_60},
              {HWC_CONFIG_ID_30, HWC_GROUP_ID_0, VSYNC_30}}};
@@ -621,35 +675,43 @@
 
     lr.vote = LayerVoteType::Min;
     EXPECT_EQ(expected30Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr.vote = LayerVoteType::Max;
     EXPECT_EQ(expected60Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr.desiredRefreshRate = 90.0f;
     lr.vote = LayerVoteType::Heuristic;
     EXPECT_EQ(expected60Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr.desiredRefreshRate = 60.0f;
     EXPECT_EQ(expected60Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr.desiredRefreshRate = 45.0f;
     EXPECT_EQ(expected60Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr.desiredRefreshRate = 30.0f;
     EXPECT_EQ(expected30Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr.desiredRefreshRate = 24.0f;
     EXPECT_EQ(expected60Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 }
 
 TEST_F(RefreshRateConfigsTest, getRefreshRateForContentV2_30_60_72_90) {
+    bool ignored;
     std::vector<RefreshRateConfigs::InputConfig> configs{
             {{HWC_CONFIG_ID_30, HWC_GROUP_ID_0, VSYNC_30},
              {HWC_CONFIG_ID_60, HWC_GROUP_ID_0, VSYNC_60},
@@ -669,57 +731,71 @@
     lr.vote = LayerVoteType::Min;
     lr.name = "Min";
     EXPECT_EQ(expected30Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr.vote = LayerVoteType::Max;
     lr.name = "Max";
     EXPECT_EQ(expected90Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr.desiredRefreshRate = 90.0f;
     lr.vote = LayerVoteType::Heuristic;
     lr.name = "90Hz Heuristic";
     EXPECT_EQ(expected90Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr.desiredRefreshRate = 60.0f;
     lr.name = "60Hz Heuristic";
     EXPECT_EQ(expected60Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
     EXPECT_EQ(expected90Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ true));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ true,
+                                                             &ignored));
 
     lr.desiredRefreshRate = 45.0f;
     lr.name = "45Hz Heuristic";
     EXPECT_EQ(expected90Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
     EXPECT_EQ(expected90Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ true));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ true,
+                                                             &ignored));
 
     lr.desiredRefreshRate = 30.0f;
     lr.name = "30Hz Heuristic";
     EXPECT_EQ(expected30Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
     EXPECT_EQ(expected90Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ true));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ true,
+                                                             &ignored));
 
     lr.desiredRefreshRate = 24.0f;
     lr.name = "24Hz Heuristic";
     EXPECT_EQ(expected72Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
     EXPECT_EQ(expected90Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ true));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ true,
+                                                             &ignored));
 
     lr.desiredRefreshRate = 24.0f;
     lr.vote = LayerVoteType::ExplicitExactOrMultiple;
     lr.name = "24Hz ExplicitExactOrMultiple";
     EXPECT_EQ(expected72Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
     EXPECT_EQ(expected90Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ true));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ true,
+                                                             &ignored));
 }
 
 TEST_F(RefreshRateConfigsTest, getRefreshRateForContentV2_PriorityTest) {
+    bool ignored;
     std::vector<RefreshRateConfigs::InputConfig> configs{
             {{HWC_CONFIG_ID_30, HWC_GROUP_ID_0, VSYNC_30},
              {HWC_CONFIG_ID_60, HWC_GROUP_ID_0, VSYNC_60},
@@ -739,48 +815,56 @@
     lr1.vote = LayerVoteType::Min;
     lr2.vote = LayerVoteType::Max;
     EXPECT_EQ(expected90Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr1.vote = LayerVoteType::Min;
     lr2.vote = LayerVoteType::Heuristic;
     lr2.desiredRefreshRate = 24.0f;
     EXPECT_EQ(expected60Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr1.vote = LayerVoteType::Min;
     lr2.vote = LayerVoteType::ExplicitExactOrMultiple;
     lr2.desiredRefreshRate = 24.0f;
     EXPECT_EQ(expected60Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr1.vote = LayerVoteType::Max;
     lr2.vote = LayerVoteType::Heuristic;
     lr2.desiredRefreshRate = 60.0f;
     EXPECT_EQ(expected90Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr1.vote = LayerVoteType::Max;
     lr2.vote = LayerVoteType::ExplicitExactOrMultiple;
     lr2.desiredRefreshRate = 60.0f;
     EXPECT_EQ(expected90Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr1.vote = LayerVoteType::Heuristic;
     lr1.desiredRefreshRate = 15.0f;
     lr2.vote = LayerVoteType::Heuristic;
     lr2.desiredRefreshRate = 45.0f;
     EXPECT_EQ(expected90Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr1.vote = LayerVoteType::Heuristic;
     lr1.desiredRefreshRate = 30.0f;
     lr2.vote = LayerVoteType::ExplicitExactOrMultiple;
     lr2.desiredRefreshRate = 45.0f;
     EXPECT_EQ(expected90Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 }
 
 TEST_F(RefreshRateConfigsTest, getRefreshRateForContentV2_24FpsVideo) {
+    bool ignored;
     std::vector<RefreshRateConfigs::InputConfig> configs{
             {{HWC_CONFIG_ID_60, HWC_GROUP_ID_0, VSYNC_60},
              {HWC_CONFIG_ID_90, HWC_GROUP_ID_0, VSYNC_90}}};
@@ -798,7 +882,8 @@
     for (float fps = 23.0f; fps < 25.0f; fps += 0.1f) {
         lr.desiredRefreshRate = fps;
         const auto& refreshRate =
-                refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false);
+                refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                               &ignored);
         printf("%.2fHz chooses %s\n", fps, refreshRate.name.c_str());
         EXPECT_EQ(expected60Config, refreshRate);
     }
@@ -833,6 +918,7 @@
 }
 
 TEST_F(RefreshRateConfigsTest, twoDeviceConfigs_getRefreshRateForContentV2_Explicit) {
+    bool ignored;
     std::vector<RefreshRateConfigs::InputConfig> configs{
             {{HWC_CONFIG_ID_60, HWC_GROUP_ID_0, VSYNC_60},
              {HWC_CONFIG_ID_90, HWC_GROUP_ID_0, VSYNC_90}}};
@@ -852,21 +938,24 @@
     lr2.vote = LayerVoteType::ExplicitExactOrMultiple;
     lr2.desiredRefreshRate = 90.0f;
     EXPECT_EQ(expected90Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr1.vote = LayerVoteType::ExplicitDefault;
     lr1.desiredRefreshRate = 90.0f;
     lr2.vote = LayerVoteType::ExplicitExactOrMultiple;
     lr2.desiredRefreshRate = 60.0f;
     EXPECT_EQ(expected60Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr1.vote = LayerVoteType::Heuristic;
     lr1.desiredRefreshRate = 90.0f;
     lr2.vote = LayerVoteType::ExplicitExactOrMultiple;
     lr2.desiredRefreshRate = 60.0f;
     EXPECT_EQ(expected90Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 }
 
 TEST_F(RefreshRateConfigsTest, testInPolicy) {
@@ -880,6 +969,7 @@
 }
 
 TEST_F(RefreshRateConfigsTest, getRefreshRateForContentV2_75HzContent) {
+    bool ignored;
     std::vector<RefreshRateConfigs::InputConfig> configs{
             {{HWC_CONFIG_ID_60, HWC_GROUP_ID_0, VSYNC_60},
              {HWC_CONFIG_ID_90, HWC_GROUP_ID_0, VSYNC_90}}};
@@ -897,13 +987,15 @@
     for (float fps = 75.0f; fps < 100.0f; fps += 0.1f) {
         lr.desiredRefreshRate = fps;
         const auto& refreshRate =
-                refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false);
+                refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                               &ignored);
         printf("%.2fHz chooses %s\n", fps, refreshRate.name.c_str());
         EXPECT_EQ(expected90Config, refreshRate);
     }
 }
 
 TEST_F(RefreshRateConfigsTest, getRefreshRateForContentV2_Multiples) {
+    bool ignored;
     std::vector<RefreshRateConfigs::InputConfig> configs{
             {{HWC_CONFIG_ID_60, HWC_GROUP_ID_0, VSYNC_60},
              {HWC_CONFIG_ID_90, HWC_GROUP_ID_0, VSYNC_90}}};
@@ -925,7 +1017,8 @@
     lr2.desiredRefreshRate = 90.0f;
     lr2.name = "90Hz Heuristic";
     EXPECT_EQ(expected90Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
     lr1.desiredRefreshRate = 60.0f;
@@ -934,7 +1027,8 @@
     lr2.desiredRefreshRate = 90.0f;
     lr2.name = "90Hz ExplicitDefault";
     EXPECT_EQ(expected60Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
     lr1.desiredRefreshRate = 60.0f;
@@ -942,7 +1036,8 @@
     lr2.vote = LayerVoteType::Max;
     lr2.name = "Max";
     EXPECT_EQ(expected90Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
     lr1.desiredRefreshRate = 30.0f;
@@ -951,7 +1046,8 @@
     lr2.desiredRefreshRate = 90.0f;
     lr2.name = "90Hz Heuristic";
     EXPECT_EQ(expected90Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 
     lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
     lr1.desiredRefreshRate = 30.0f;
@@ -959,10 +1055,12 @@
     lr2.vote = LayerVoteType::Max;
     lr2.name = "Max";
     EXPECT_EQ(expected90Config,
-              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false));
+              refreshRateConfigs->getRefreshRateForContentV2(layers, /*touchActive*/ false,
+                                                             &ignored));
 }
 
 TEST_F(RefreshRateConfigsTest, scrollWhileWatching60fps_60_90) {
+    bool ignored;
     std::vector<RefreshRateConfigs::InputConfig> configs{
             {{HWC_CONFIG_ID_60, HWC_GROUP_ID_0, VSYNC_60},
              {HWC_CONFIG_ID_90, HWC_GROUP_ID_0, VSYNC_90}}};
@@ -982,28 +1080,32 @@
     lr1.name = "60Hz ExplicitExactOrMultiple";
     lr2.vote = LayerVoteType::NoVote;
     lr2.name = "NoVote";
-    EXPECT_EQ(expected60Config, refreshRateConfigs->getRefreshRateForContentV2(layers, false));
+    EXPECT_EQ(expected60Config,
+              refreshRateConfigs->getRefreshRateForContentV2(layers, false, &ignored));
 
     lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
     lr1.desiredRefreshRate = 60.0f;
     lr1.name = "60Hz ExplicitExactOrMultiple";
     lr2.vote = LayerVoteType::NoVote;
     lr2.name = "NoVote";
-    EXPECT_EQ(expected90Config, refreshRateConfigs->getRefreshRateForContentV2(layers, true));
+    EXPECT_EQ(expected90Config,
+              refreshRateConfigs->getRefreshRateForContentV2(layers, true, &ignored));
 
     lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
     lr1.desiredRefreshRate = 60.0f;
     lr1.name = "60Hz ExplicitExactOrMultiple";
     lr2.vote = LayerVoteType::Max;
     lr2.name = "Max";
-    EXPECT_EQ(expected90Config, refreshRateConfigs->getRefreshRateForContentV2(layers, true));
+    EXPECT_EQ(expected90Config,
+              refreshRateConfigs->getRefreshRateForContentV2(layers, true, &ignored));
 
     lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
     lr1.desiredRefreshRate = 60.0f;
     lr1.name = "60Hz ExplicitExactOrMultiple";
     lr2.vote = LayerVoteType::Max;
     lr2.name = "Max";
-    EXPECT_EQ(expected90Config, refreshRateConfigs->getRefreshRateForContentV2(layers, false));
+    EXPECT_EQ(expected90Config,
+              refreshRateConfigs->getRefreshRateForContentV2(layers, false, &ignored));
 
     // The other layer starts to provide buffers
     lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
@@ -1012,7 +1114,108 @@
     lr2.vote = LayerVoteType::Heuristic;
     lr2.desiredRefreshRate = 90.0f;
     lr2.name = "90Hz Heuristic";
-    EXPECT_EQ(expected90Config, refreshRateConfigs->getRefreshRateForContentV2(layers, false));
+    EXPECT_EQ(expected90Config,
+              refreshRateConfigs->getRefreshRateForContentV2(layers, false, &ignored));
+}
+
+TEST_F(RefreshRateConfigsTest, touchConsidered) {
+    bool touchConsidered;
+    std::vector<RefreshRateConfigs::InputConfig> configs{
+            {{HWC_CONFIG_ID_60, HWC_GROUP_ID_0, VSYNC_60},
+             {HWC_CONFIG_ID_90, HWC_GROUP_ID_0, VSYNC_90}}};
+    auto refreshRateConfigs =
+            std::make_unique<RefreshRateConfigs>(configs, /*currentConfigId=*/HWC_CONFIG_ID_60);
+
+    refreshRateConfigs->getRefreshRateForContentV2({}, false, &touchConsidered);
+    EXPECT_EQ(false, touchConsidered);
+
+    refreshRateConfigs->getRefreshRateForContentV2({}, true, &touchConsidered);
+    EXPECT_EQ(true, touchConsidered);
+
+    auto layers = std::vector<LayerRequirement>{LayerRequirement{.weight = 1.0f},
+                                                LayerRequirement{.weight = 1.0f}};
+    auto& lr1 = layers[0];
+    auto& lr2 = layers[1];
+
+    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr1.desiredRefreshRate = 60.0f;
+    lr1.name = "60Hz ExplicitExactOrMultiple";
+    lr2.vote = LayerVoteType::Heuristic;
+    lr2.name = "NoVote";
+    refreshRateConfigs->getRefreshRateForContentV2(layers, true, &touchConsidered);
+    EXPECT_EQ(true, touchConsidered);
+
+    lr1.vote = LayerVoteType::ExplicitDefault;
+    lr1.desiredRefreshRate = 60.0f;
+    lr1.name = "60Hz ExplicitExactOrMultiple";
+    lr2.vote = LayerVoteType::Heuristic;
+    lr2.name = "NoVote";
+    refreshRateConfigs->getRefreshRateForContentV2(layers, true, &touchConsidered);
+    EXPECT_EQ(false, touchConsidered);
+
+    lr1.vote = LayerVoteType::ExplicitExactOrMultiple;
+    lr1.desiredRefreshRate = 60.0f;
+    lr1.name = "60Hz ExplicitExactOrMultiple";
+    lr2.vote = LayerVoteType::Heuristic;
+    lr2.name = "NoVote";
+    refreshRateConfigs->getRefreshRateForContentV2(layers, true, &touchConsidered);
+    EXPECT_EQ(true, touchConsidered);
+
+    lr1.vote = LayerVoteType::ExplicitDefault;
+    lr1.desiredRefreshRate = 60.0f;
+    lr1.name = "60Hz ExplicitExactrMultiple";
+    lr2.vote = LayerVoteType::Heuristic;
+    lr2.name = "NoVote";
+    refreshRateConfigs->getRefreshRateForContentV2(layers, true, &touchConsidered);
+    EXPECT_EQ(false, touchConsidered);
+}
+
+TEST_F(RefreshRateConfigsTest, getRefreshRateForContentV2_ExplicitDefault) {
+    bool ignored;
+    std::vector<RefreshRateConfigs::InputConfig> configs{
+            {{HWC_CONFIG_ID_60, HWC_GROUP_ID_0, VSYNC_60},
+             {HWC_CONFIG_ID_72, HWC_GROUP_ID_0, VSYNC_72},
+             {HWC_CONFIG_ID_90, HWC_GROUP_ID_0, VSYNC_90},
+             {HWC_CONFIG_ID_120, HWC_GROUP_ID_0, VSYNC_120}}};
+
+    auto refreshRateConfigs = std::make_unique<RefreshRateConfigs>(configs, /*currentConfigId=*/
+                                                                   HWC_CONFIG_ID_60);
+
+    auto layers = std::vector<LayerRequirement>{LayerRequirement{.weight = 1.0f}};
+    auto& lr = layers[0];
+
+    // Prepare a table with the vote and the expected refresh rate
+    const std::vector<std::pair<float, float>> testCases = {
+            {130, 120}, {120, 120}, {119, 120}, {110, 120},
+
+            {100, 90},  {90, 90},   {89, 90},
+
+            {80, 72},   {73, 72},   {72, 72},   {71, 72},   {70, 72},
+
+            {65, 60},   {60, 60},   {59, 60},   {58, 60},
+
+            {55, 90},   {50, 90},   {45, 90},
+
+            {42, 120},  {40, 120},  {39, 120},
+
+            {37, 72},   {36, 72},   {35, 72},
+
+            {30, 60},
+    };
+
+    for (const auto& test : testCases) {
+        lr.vote = LayerVoteType::ExplicitDefault;
+        lr.desiredRefreshRate = test.first;
+
+        std::stringstream ss;
+        ss << "ExplicitDefault " << test.first << " fps";
+        lr.name = ss.str();
+
+        const auto& refreshRate =
+                refreshRateConfigs->getRefreshRateForContentV2(layers, false, &ignored);
+        EXPECT_FLOAT_EQ(refreshRate.fps, test.second)
+                << "Expecting " << test.first << "fps => " << test.second << "Hz";
+    }
 }
 
 } // namespace
diff --git a/services/surfaceflinger/tests/unittests/SetFrameRateTest.cpp b/services/surfaceflinger/tests/unittests/SetFrameRateTest.cpp
new file mode 100644
index 0000000..b069085
--- /dev/null
+++ b/services/surfaceflinger/tests/unittests/SetFrameRateTest.cpp
@@ -0,0 +1,473 @@
+/*
+ * Copyright 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#undef LOG_TAG
+#define LOG_TAG "LibSurfaceFlingerUnittests"
+
+#include <gmock/gmock.h>
+#include <gtest/gtest.h>
+#include <gui/LayerMetadata.h>
+
+// TODO(b/129481165): remove the #pragma below and fix conversion issues
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wconversion"
+#include "BufferQueueLayer.h"
+#include "BufferStateLayer.h"
+#include "EffectLayer.h"
+#include "Layer.h"
+// TODO(b/129481165): remove the #pragma below and fix conversion issues
+#pragma clang diagnostic pop // ignored "-Wconversion"
+#include "TestableSurfaceFlinger.h"
+#include "mock/DisplayHardware/MockComposer.h"
+#include "mock/MockDispSync.h"
+#include "mock/MockEventControlThread.h"
+#include "mock/MockEventThread.h"
+#include "mock/MockMessageQueue.h"
+
+namespace android {
+
+using testing::_;
+using testing::DoAll;
+using testing::Mock;
+using testing::Return;
+using testing::SetArgPointee;
+
+using android::Hwc2::IComposer;
+using android::Hwc2::IComposerClient;
+
+using FakeHwcDisplayInjector = TestableSurfaceFlinger::FakeHwcDisplayInjector;
+
+using FrameRate = Layer::FrameRate;
+using FrameRateCompatibility = Layer::FrameRateCompatibility;
+
+class LayerFactory {
+public:
+    virtual ~LayerFactory() = default;
+
+    virtual std::string name() = 0;
+    virtual sp<Layer> createLayer(TestableSurfaceFlinger& flinger) = 0;
+
+protected:
+    static constexpr uint32_t WIDTH = 100;
+    static constexpr uint32_t HEIGHT = 100;
+    static constexpr uint32_t LAYER_FLAGS = 0;
+};
+
+class BufferQueueLayerFactory : public LayerFactory {
+public:
+    std::string name() override { return "BufferQueueLayer"; }
+    sp<Layer> createLayer(TestableSurfaceFlinger& flinger) override {
+        sp<Client> client;
+        LayerCreationArgs args(flinger.flinger(), client, "buffer-queue-layer", WIDTH, HEIGHT,
+                               LAYER_FLAGS, LayerMetadata());
+        return new BufferQueueLayer(args);
+    }
+};
+
+class BufferStateLayerFactory : public LayerFactory {
+public:
+    std::string name() override { return "BufferStateLayer"; }
+    sp<Layer> createLayer(TestableSurfaceFlinger& flinger) override {
+        sp<Client> client;
+        LayerCreationArgs args(flinger.flinger(), client, "buffer-queue-layer", WIDTH, HEIGHT,
+                               LAYER_FLAGS, LayerMetadata());
+        return new BufferStateLayer(args);
+    }
+};
+
+class EffectLayerFactory : public LayerFactory {
+public:
+    std::string name() override { return "EffectLayer"; }
+    sp<Layer> createLayer(TestableSurfaceFlinger& flinger) override {
+        sp<Client> client;
+        LayerCreationArgs args(flinger.flinger(), client, "color-layer", WIDTH, HEIGHT, LAYER_FLAGS,
+                               LayerMetadata());
+        return new EffectLayer(args);
+    }
+};
+
+std::string PrintToStringParamName(
+        const ::testing::TestParamInfo<std::shared_ptr<LayerFactory>>& info) {
+    return info.param->name();
+}
+
+/**
+ * This class tests the behaviour of Layer::SetFrameRate and Layer::GetFrameRate
+ */
+class SetFrameRateTest : public ::testing::TestWithParam<std::shared_ptr<LayerFactory>> {
+protected:
+    const FrameRate FRAME_RATE_VOTE1 = FrameRate(67.f, FrameRateCompatibility::Default);
+    const FrameRate FRAME_RATE_VOTE2 = FrameRate(14.f, FrameRateCompatibility::ExactOrMultiple);
+    const FrameRate FRAME_RATE_VOTE3 = FrameRate(99.f, FrameRateCompatibility::NoVote);
+    const FrameRate FRAME_RATE_TREE = FrameRate(0, FrameRateCompatibility::NoVote);
+    const FrameRate FRAME_RATE_NO_VOTE = FrameRate(0, FrameRateCompatibility::Default);
+
+    SetFrameRateTest();
+
+    void setupScheduler();
+    void setupComposer(uint32_t virtualDisplayCount);
+
+    void addChild(sp<Layer> layer, sp<Layer> child);
+    void removeChild(sp<Layer> layer, sp<Layer> child);
+    void reparentChildren(sp<Layer> layer, sp<Layer> child);
+    void commitTransaction();
+
+    TestableSurfaceFlinger mFlinger;
+    Hwc2::mock::Composer* mComposer = nullptr;
+    mock::MessageQueue* mMessageQueue = new mock::MessageQueue();
+
+    std::vector<sp<Layer>> mLayers;
+};
+
+SetFrameRateTest::SetFrameRateTest() {
+    const ::testing::TestInfo* const test_info =
+            ::testing::UnitTest::GetInstance()->current_test_info();
+    ALOGD("**** Setting up for %s.%s\n", test_info->test_case_name(), test_info->name());
+
+    mFlinger.mutableUseFrameRateApi() = true;
+
+    setupScheduler();
+    setupComposer(0);
+
+    mFlinger.mutableEventQueue().reset(mMessageQueue);
+}
+void SetFrameRateTest::addChild(sp<Layer> layer, sp<Layer> child) {
+    layer.get()->addChild(child.get());
+}
+
+void SetFrameRateTest::removeChild(sp<Layer> layer, sp<Layer> child) {
+    layer.get()->removeChild(child.get());
+}
+
+void SetFrameRateTest::reparentChildren(sp<Layer> parent, sp<Layer> newParent) {
+    parent.get()->reparentChildren(newParent);
+}
+
+void SetFrameRateTest::commitTransaction() {
+    for (auto layer : mLayers) {
+        layer.get()->commitTransaction(layer.get()->getCurrentState());
+    }
+}
+
+void SetFrameRateTest::setupScheduler() {
+    auto eventThread = std::make_unique<mock::EventThread>();
+    auto sfEventThread = std::make_unique<mock::EventThread>();
+
+    EXPECT_CALL(*eventThread, registerDisplayEventConnection(_));
+    EXPECT_CALL(*eventThread, createEventConnection(_, _))
+            .WillOnce(Return(new EventThreadConnection(eventThread.get(), ResyncCallback(),
+                                                       ISurfaceComposer::eConfigChangedSuppress)));
+
+    EXPECT_CALL(*sfEventThread, registerDisplayEventConnection(_));
+    EXPECT_CALL(*sfEventThread, createEventConnection(_, _))
+            .WillOnce(Return(new EventThreadConnection(sfEventThread.get(), ResyncCallback(),
+                                                       ISurfaceComposer::eConfigChangedSuppress)));
+
+    auto primaryDispSync = std::make_unique<mock::DispSync>();
+
+    EXPECT_CALL(*primaryDispSync, computeNextRefresh(0)).WillRepeatedly(Return(0));
+    EXPECT_CALL(*primaryDispSync, getPeriod())
+            .WillRepeatedly(Return(FakeHwcDisplayInjector::DEFAULT_REFRESH_RATE));
+    EXPECT_CALL(*primaryDispSync, expectedPresentTime()).WillRepeatedly(Return(0));
+    mFlinger.setupScheduler(std::move(primaryDispSync),
+                            std::make_unique<mock::EventControlThread>(), std::move(eventThread),
+                            std::move(sfEventThread));
+}
+
+void SetFrameRateTest::setupComposer(uint32_t virtualDisplayCount) {
+    mComposer = new Hwc2::mock::Composer();
+    EXPECT_CALL(*mComposer, getMaxVirtualDisplayCount()).WillOnce(Return(virtualDisplayCount));
+    mFlinger.setupComposer(std::unique_ptr<Hwc2::Composer>(mComposer));
+
+    Mock::VerifyAndClear(mComposer);
+}
+
+namespace {
+/* ------------------------------------------------------------------------
+ * Test cases
+ */
+TEST_P(SetFrameRateTest, SetAndGet) {
+    EXPECT_CALL(*mMessageQueue, invalidate()).Times(1);
+
+    const auto& layerFactory = GetParam();
+
+    auto layer = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
+    layer->setFrameRate(FRAME_RATE_VOTE1);
+    commitTransaction();
+    EXPECT_EQ(FRAME_RATE_VOTE1, layer->getFrameRateForLayerTree());
+}
+
+TEST_P(SetFrameRateTest, SetAndGetParent) {
+    EXPECT_CALL(*mMessageQueue, invalidate()).Times(1);
+
+    const auto& layerFactory = GetParam();
+
+    auto parent = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
+    auto child1 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
+    auto child2 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
+
+    addChild(parent, child1);
+    addChild(child1, child2);
+
+    child2->setFrameRate(FRAME_RATE_VOTE1);
+    commitTransaction();
+    EXPECT_EQ(FRAME_RATE_TREE, parent->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_TREE, child1->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_VOTE1, child2->getFrameRateForLayerTree());
+
+    child2->setFrameRate(FRAME_RATE_NO_VOTE);
+    commitTransaction();
+    EXPECT_EQ(FRAME_RATE_NO_VOTE, parent->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_NO_VOTE, child1->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_NO_VOTE, child2->getFrameRateForLayerTree());
+}
+
+TEST_P(SetFrameRateTest, SetAndGetParentAllVote) {
+    EXPECT_CALL(*mMessageQueue, invalidate()).Times(1);
+
+    const auto& layerFactory = GetParam();
+
+    auto parent = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
+    auto child1 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
+    auto child2 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
+
+    addChild(parent, child1);
+    addChild(child1, child2);
+
+    child2->setFrameRate(FRAME_RATE_VOTE1);
+    child1->setFrameRate(FRAME_RATE_VOTE2);
+    parent->setFrameRate(FRAME_RATE_VOTE3);
+    commitTransaction();
+    EXPECT_EQ(FRAME_RATE_VOTE3, parent->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_VOTE2, child1->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_VOTE1, child2->getFrameRateForLayerTree());
+
+    child2->setFrameRate(FRAME_RATE_NO_VOTE);
+    commitTransaction();
+    EXPECT_EQ(FRAME_RATE_VOTE3, parent->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_VOTE2, child1->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_TREE, child2->getFrameRateForLayerTree());
+
+    child1->setFrameRate(FRAME_RATE_NO_VOTE);
+    commitTransaction();
+    EXPECT_EQ(FRAME_RATE_VOTE3, parent->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_TREE, child1->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_TREE, child2->getFrameRateForLayerTree());
+
+    parent->setFrameRate(FRAME_RATE_NO_VOTE);
+    commitTransaction();
+    EXPECT_EQ(FRAME_RATE_NO_VOTE, parent->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_NO_VOTE, child1->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_NO_VOTE, child2->getFrameRateForLayerTree());
+}
+
+TEST_P(SetFrameRateTest, SetAndGetChild) {
+    EXPECT_CALL(*mMessageQueue, invalidate()).Times(1);
+
+    const auto& layerFactory = GetParam();
+
+    auto parent = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
+    auto child1 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
+    auto child2 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
+
+    addChild(parent, child1);
+    addChild(child1, child2);
+
+    parent->setFrameRate(FRAME_RATE_VOTE1);
+    commitTransaction();
+    EXPECT_EQ(FRAME_RATE_VOTE1, parent->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_TREE, child1->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_TREE, child2->getFrameRateForLayerTree());
+
+    parent->setFrameRate(FRAME_RATE_NO_VOTE);
+    commitTransaction();
+    EXPECT_EQ(FRAME_RATE_NO_VOTE, parent->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_NO_VOTE, child1->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_NO_VOTE, child2->getFrameRateForLayerTree());
+}
+
+TEST_P(SetFrameRateTest, SetAndGetChildAllVote) {
+    EXPECT_CALL(*mMessageQueue, invalidate()).Times(1);
+
+    const auto& layerFactory = GetParam();
+
+    auto parent = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
+    auto child1 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
+    auto child2 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
+
+    addChild(parent, child1);
+    addChild(child1, child2);
+
+    child2->setFrameRate(FRAME_RATE_VOTE1);
+    child1->setFrameRate(FRAME_RATE_VOTE2);
+    parent->setFrameRate(FRAME_RATE_VOTE3);
+    commitTransaction();
+    EXPECT_EQ(FRAME_RATE_VOTE3, parent->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_VOTE2, child1->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_VOTE1, child2->getFrameRateForLayerTree());
+
+    parent->setFrameRate(FRAME_RATE_NO_VOTE);
+    commitTransaction();
+    EXPECT_EQ(FRAME_RATE_TREE, parent->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_VOTE2, child1->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_VOTE1, child2->getFrameRateForLayerTree());
+
+    child1->setFrameRate(FRAME_RATE_NO_VOTE);
+    commitTransaction();
+    EXPECT_EQ(FRAME_RATE_TREE, parent->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_TREE, child1->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_VOTE1, child2->getFrameRateForLayerTree());
+
+    child2->setFrameRate(FRAME_RATE_NO_VOTE);
+    commitTransaction();
+    EXPECT_EQ(FRAME_RATE_NO_VOTE, parent->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_NO_VOTE, child1->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_NO_VOTE, child2->getFrameRateForLayerTree());
+}
+
+TEST_P(SetFrameRateTest, SetAndGetChildAddAfterVote) {
+    EXPECT_CALL(*mMessageQueue, invalidate()).Times(1);
+
+    const auto& layerFactory = GetParam();
+
+    auto parent = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
+    auto child1 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
+    auto child2 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
+
+    addChild(parent, child1);
+
+    parent->setFrameRate(FRAME_RATE_VOTE1);
+    commitTransaction();
+    EXPECT_EQ(FRAME_RATE_VOTE1, parent->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_TREE, child1->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_NO_VOTE, child2->getFrameRateForLayerTree());
+
+    addChild(child1, child2);
+    commitTransaction();
+    EXPECT_EQ(FRAME_RATE_VOTE1, parent->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_TREE, child1->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_TREE, child2->getFrameRateForLayerTree());
+
+    parent->setFrameRate(FRAME_RATE_NO_VOTE);
+    commitTransaction();
+    EXPECT_EQ(FRAME_RATE_NO_VOTE, parent->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_NO_VOTE, child1->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_NO_VOTE, child2->getFrameRateForLayerTree());
+}
+
+TEST_P(SetFrameRateTest, SetAndGetChildRemoveAfterVote) {
+    EXPECT_CALL(*mMessageQueue, invalidate()).Times(1);
+
+    const auto& layerFactory = GetParam();
+
+    auto parent = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
+    auto child1 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
+    auto child2 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
+
+    addChild(parent, child1);
+    addChild(child1, child2);
+
+    parent->setFrameRate(FRAME_RATE_VOTE1);
+    commitTransaction();
+    EXPECT_EQ(FRAME_RATE_VOTE1, parent->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_TREE, child1->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_TREE, child2->getFrameRateForLayerTree());
+
+    removeChild(child1, child2);
+    commitTransaction();
+    EXPECT_EQ(FRAME_RATE_VOTE1, parent->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_TREE, child1->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_NO_VOTE, child2->getFrameRateForLayerTree());
+
+    parent->setFrameRate(FRAME_RATE_NO_VOTE);
+    commitTransaction();
+    EXPECT_EQ(FRAME_RATE_NO_VOTE, parent->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_NO_VOTE, child1->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_NO_VOTE, child2->getFrameRateForLayerTree());
+}
+
+TEST_P(SetFrameRateTest, SetAndGetParentNotInTree) {
+    EXPECT_CALL(*mMessageQueue, invalidate()).Times(1);
+
+    const auto& layerFactory = GetParam();
+
+    auto parent = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
+    auto child1 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
+    auto child2 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
+    auto child2_1 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
+
+    addChild(parent, child1);
+    addChild(child1, child2);
+    addChild(child1, child2_1);
+
+    child2->setFrameRate(FRAME_RATE_VOTE1);
+    commitTransaction();
+    EXPECT_EQ(FRAME_RATE_TREE, parent->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_TREE, child1->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_VOTE1, child2->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_NO_VOTE, child2_1->getFrameRateForLayerTree());
+
+    child2->setFrameRate(FRAME_RATE_NO_VOTE);
+    commitTransaction();
+    EXPECT_EQ(FRAME_RATE_NO_VOTE, parent->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_NO_VOTE, child1->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_NO_VOTE, child2->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_NO_VOTE, child2_1->getFrameRateForLayerTree());
+}
+
+TEST_P(SetFrameRateTest, SetAndGetRearentChildren) {
+    EXPECT_CALL(*mMessageQueue, invalidate()).Times(1);
+
+    const auto& layerFactory = GetParam();
+
+    auto parent = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
+    auto parent2 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
+    auto child1 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
+    auto child2 = mLayers.emplace_back(layerFactory->createLayer(mFlinger));
+
+    addChild(parent, child1);
+    addChild(child1, child2);
+
+    child2->setFrameRate(FRAME_RATE_VOTE1);
+    commitTransaction();
+    EXPECT_EQ(FRAME_RATE_TREE, parent->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_NO_VOTE, parent2->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_TREE, child1->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_VOTE1, child2->getFrameRateForLayerTree());
+
+    reparentChildren(parent, parent2);
+    commitTransaction();
+    EXPECT_EQ(FRAME_RATE_NO_VOTE, parent->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_TREE, parent2->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_TREE, child1->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_VOTE1, child2->getFrameRateForLayerTree());
+
+    child2->setFrameRate(FRAME_RATE_NO_VOTE);
+    commitTransaction();
+    EXPECT_EQ(FRAME_RATE_NO_VOTE, parent->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_NO_VOTE, parent2->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_NO_VOTE, child1->getFrameRateForLayerTree());
+    EXPECT_EQ(FRAME_RATE_NO_VOTE, child2->getFrameRateForLayerTree());
+}
+
+INSTANTIATE_TEST_SUITE_P(PerLayerType, SetFrameRateTest,
+                         testing::Values(std::make_shared<BufferQueueLayerFactory>(),
+                                         std::make_shared<BufferStateLayerFactory>(),
+                                         std::make_shared<EffectLayerFactory>()),
+                         PrintToStringParamName);
+
+} // namespace
+} // namespace android
diff --git a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
index 84e55ae..058c5cc 100644
--- a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
+++ b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
@@ -394,6 +394,7 @@
     auto& mutableHwcPhysicalDisplayIdMap() { return getHwComposer().mPhysicalDisplayIdMap; }
     auto& mutableInternalHwcDisplayId() { return getHwComposer().mInternalHwcDisplayId; }
     auto& mutableExternalHwcDisplayId() { return getHwComposer().mExternalHwcDisplayId; }
+    auto& mutableUseFrameRateApi() { return mFlinger->useFrameRateApi; }
 
     auto fromHandle(const sp<IBinder>& handle) {
         Mutex::Autolock _l(mFlinger->mStateLock);
@@ -548,9 +549,10 @@
         FakeDisplayDeviceInjector(TestableSurfaceFlinger& flinger,
                                   std::shared_ptr<compositionengine::Display> compositionDisplay,
                                   std::optional<DisplayConnectionType> connectionType,
-                                  bool isPrimary)
+                                  std::optional<hwc2_display_t> hwcDisplayId, bool isPrimary)
               : mFlinger(flinger),
-                mCreationArgs(flinger.mFlinger.get(), mDisplayToken, compositionDisplay) {
+                mCreationArgs(flinger.mFlinger.get(), mDisplayToken, compositionDisplay),
+                mHwcDisplayId(hwcDisplayId) {
             mCreationArgs.connectionType = connectionType;
             mCreationArgs.isPrimary = isPrimary;
         }
@@ -618,7 +620,8 @@
             DisplayDeviceState state;
             if (const auto type = mCreationArgs.connectionType) {
                 LOG_ALWAYS_FATAL_IF(!displayId);
-                state.physical = {*displayId, *type};
+                LOG_ALWAYS_FATAL_IF(!mHwcDisplayId);
+                state.physical = {*displayId, *type, *mHwcDisplayId};
             }
 
             state.isSecure = mCreationArgs.isSecure;
@@ -639,6 +642,7 @@
         TestableSurfaceFlinger& mFlinger;
         sp<BBinder> mDisplayToken = new BBinder();
         DisplayDeviceCreationArgs mCreationArgs;
+        const std::optional<hwc2_display_t> mHwcDisplayId;
     };
 
     surfaceflinger::test::Factory mFactory;
diff --git a/services/surfaceflinger/tests/unittests/TimeStatsTest.cpp b/services/surfaceflinger/tests/unittests/TimeStatsTest.cpp
index a7a4d48..1f04673 100644
--- a/services/surfaceflinger/tests/unittests/TimeStatsTest.cpp
+++ b/services/surfaceflinger/tests/unittests/TimeStatsTest.cpp
@@ -152,9 +152,9 @@
         struct AStatsEvent* addStatsEventToPullData(AStatsEventList*) override {
             return mEvent;
         }
-        void registerStatsPullAtomCallback(int32_t atom_tag,
-                                           AStatsManager_PullAtomCallback callback,
-                                           AStatsManager_PullAtomMetadata*, void* cookie) override {
+        void setStatsPullAtomCallback(int32_t atom_tag, AStatsManager_PullAtomMetadata*,
+                                      AStatsManager_PullAtomCallback callback,
+                                      void* cookie) override {
             mAtomTags.push_back(atom_tag);
             mCallback = callback;
             mCookie = cookie;
@@ -164,7 +164,7 @@
             return (*mCallback)(atom_tag, nullptr, cookie);
         }
 
-        MOCK_METHOD1(unregisterStatsPullAtomCallback, void(int32_t));
+        MOCK_METHOD1(clearStatsPullAtomCallback, void(int32_t));
         MOCK_METHOD2(statsEventSetAtomId, void(AStatsEvent*, uint32_t));
         MOCK_METHOD2(statsEventWriteInt32, void(AStatsEvent*, int32_t));
         MOCK_METHOD2(statsEventWriteInt64, void(AStatsEvent*, int64_t));
@@ -261,18 +261,18 @@
     ASSERT_FALSE(mTimeStats->isEnabled());
 }
 
-TEST_F(TimeStatsTest, registersCallbacksAfterBoot) {
+TEST_F(TimeStatsTest, setsCallbacksAfterBoot) {
     mTimeStats->onBootFinished();
     EXPECT_THAT(mDelegate->mAtomTags,
                 UnorderedElementsAre(android::util::SURFACEFLINGER_STATS_GLOBAL_INFO,
                                      android::util::SURFACEFLINGER_STATS_LAYER_INFO));
 }
 
-TEST_F(TimeStatsTest, unregistersCallbacksOnDestruction) {
+TEST_F(TimeStatsTest, clearsCallbacksOnDestruction) {
     EXPECT_CALL(*mDelegate,
-                unregisterStatsPullAtomCallback(android::util::SURFACEFLINGER_STATS_GLOBAL_INFO));
+                clearStatsPullAtomCallback(android::util::SURFACEFLINGER_STATS_GLOBAL_INFO));
     EXPECT_CALL(*mDelegate,
-                unregisterStatsPullAtomCallback(android::util::SURFACEFLINGER_STATS_LAYER_INFO));
+                clearStatsPullAtomCallback(android::util::SURFACEFLINGER_STATS_LAYER_INFO));
     mTimeStats.reset();
 }
 
@@ -362,6 +362,21 @@
     EXPECT_THAT(result, HasSubstr(expectedResult));
 }
 
+TEST_F(TimeStatsTest, canIncreaseRefreshRateSwitches) {
+    // this stat is not in the proto so verify by checking the string dump
+    constexpr size_t REFRESH_RATE_SWITCHES = 2;
+
+    EXPECT_TRUE(inputCommand(InputCommand::ENABLE, FMT_STRING).empty());
+    for (size_t i = 0; i < REFRESH_RATE_SWITCHES; i++) {
+        ASSERT_NO_FATAL_FAILURE(mTimeStats->incrementRefreshRateSwitches());
+    }
+
+    const std::string result(inputCommand(InputCommand::DUMP_ALL, FMT_STRING));
+    const std::string expectedResult =
+            "refreshRateSwitches = " + std::to_string(REFRESH_RATE_SWITCHES);
+    EXPECT_THAT(result, HasSubstr(expectedResult));
+}
+
 TEST_F(TimeStatsTest, canAverageFrameDuration) {
     EXPECT_TRUE(inputCommand(InputCommand::ENABLE, FMT_STRING).empty());
     mTimeStats->setPowerMode(HWC_POWER_MODE_NORMAL);
@@ -744,6 +759,7 @@
     // These stats are not in the proto so verify by checking the string dump.
     EXPECT_TRUE(inputCommand(InputCommand::ENABLE, FMT_STRING).empty());
     ASSERT_NO_FATAL_FAILURE(mTimeStats->incrementClientCompositionReusedFrames());
+    ASSERT_NO_FATAL_FAILURE(mTimeStats->incrementRefreshRateSwitches());
     mTimeStats->setPowerMode(HWC_POWER_MODE_NORMAL);
     mTimeStats
             ->recordFrameDuration(std::chrono::duration_cast<std::chrono::nanoseconds>(1ms).count(),
@@ -759,6 +775,7 @@
 
     const std::string result(inputCommand(InputCommand::DUMP_ALL, FMT_STRING));
     EXPECT_THAT(result, HasSubstr("clientCompositionReusedFrames = 0"));
+    EXPECT_THAT(result, HasSubstr("refreshRateSwitches = 0"));
     EXPECT_THAT(result, HasSubstr("averageFrameDuration = 0.000 ms"));
     EXPECT_THAT(result, HasSubstr("averageRenderEngineTiming = 0.000 ms"));
 }
@@ -1039,8 +1056,7 @@
     insertTimeRecord(NORMAL_SEQUENCE, LAYER_ID_0, 3, 4000000);
     insertTimeRecord(NORMAL_SEQUENCE, LAYER_ID_0, 4, 5000000);
 
-    // Now make sure that TimeStats flushes global stats to register the
-    // callback.
+    // Now make sure that TimeStats flushes global stats to set the callback.
     mTimeStats->setPowerMode(HWC_POWER_MODE_NORMAL);
     mTimeStats->setPresentFenceGlobal(std::make_shared<FenceTime>(3000000));
     mTimeStats->setPresentFenceGlobal(std::make_shared<FenceTime>(5000000));
diff --git a/services/surfaceflinger/tests/unittests/VSyncDispatchRealtimeTest.cpp b/services/surfaceflinger/tests/unittests/VSyncDispatchRealtimeTest.cpp
index caac61d..be49ef3 100644
--- a/services/surfaceflinger/tests/unittests/VSyncDispatchRealtimeTest.cpp
+++ b/services/surfaceflinger/tests/unittests/VSyncDispatchRealtimeTest.cpp
@@ -51,6 +51,7 @@
 
     void setPeriod(nsecs_t) final {}
     void resetModel() final {}
+    void dump(std::string&) const final {}
 
 private:
     nsecs_t const mPeriod;
@@ -85,6 +86,7 @@
 
     void setPeriod(nsecs_t) final {}
     void resetModel() final {}
+    void dump(std::string&) const final {}
 
 private:
     std::mutex mutable mMutex;
diff --git a/services/surfaceflinger/tests/unittests/VSyncDispatchTimerQueueTest.cpp b/services/surfaceflinger/tests/unittests/VSyncDispatchTimerQueueTest.cpp
index 3ab38e4..3543361 100644
--- a/services/surfaceflinger/tests/unittests/VSyncDispatchTimerQueueTest.cpp
+++ b/services/surfaceflinger/tests/unittests/VSyncDispatchTimerQueueTest.cpp
@@ -47,6 +47,7 @@
     MOCK_CONST_METHOD0(currentPeriod, nsecs_t());
     MOCK_METHOD1(setPeriod, void(nsecs_t));
     MOCK_METHOD0(resetModel, void());
+    MOCK_CONST_METHOD1(dump, void(std::string&));
 
     nsecs_t nextVSyncTime(nsecs_t timePoint) const {
         if (timePoint % mPeriod == 0) {
diff --git a/services/surfaceflinger/tests/unittests/VSyncPredictorTest.cpp b/services/surfaceflinger/tests/unittests/VSyncPredictorTest.cpp
index f834af8..bf2a889 100644
--- a/services/surfaceflinger/tests/unittests/VSyncPredictorTest.cpp
+++ b/services/surfaceflinger/tests/unittests/VSyncPredictorTest.cpp
@@ -204,7 +204,7 @@
     };
     auto idealPeriod = 2000000;
     auto expectedPeriod = 1999892;
-    auto expectedIntercept = 175409;
+    auto expectedIntercept = 86342;
 
     tracker.setPeriod(idealPeriod);
     for (auto const& timestamp : simulatedVsyncs) {
@@ -335,8 +335,8 @@
             158929706370359,
     };
     auto const idealPeriod = 11111111;
-    auto const expectedPeriod = 11113500;
-    auto const expectedIntercept = -395335;
+    auto const expectedPeriod = 11113919;
+    auto const expectedIntercept = -1195945;
 
     tracker.setPeriod(idealPeriod);
     for (auto const& timestamp : simulatedVsyncs) {
@@ -355,6 +355,32 @@
     EXPECT_THAT(prediction, Ge(timePoint));
 }
 
+// See b/151146131
+TEST_F(VSyncPredictorTest, hasEnoughPrecision) {
+    VSyncPredictor tracker{mPeriod, 20, kMinimumSamplesForPrediction, kOutlierTolerancePercent};
+    std::vector<nsecs_t> const simulatedVsyncs{840873348817, 840890049444, 840906762675,
+                                               840923581635, 840940161584, 840956868096,
+                                               840973702473, 840990256277, 841007116851,
+                                               841023722530, 841040452167, 841057073002,
+                                               841073800920, 841090474360, 841107278632,
+                                               841123898634, 841140750875, 841157287127,
+                                               841591357014, 840856664232
+
+    };
+    auto const idealPeriod = 16666666;
+    auto const expectedPeriod = 16698426;
+    auto const expectedIntercept = 58055;
+
+    tracker.setPeriod(idealPeriod);
+    for (auto const& timestamp : simulatedVsyncs) {
+        tracker.addVsyncTimestamp(timestamp);
+    }
+
+    auto [slope, intercept] = tracker.getVSyncPredictionModel();
+    EXPECT_THAT(slope, IsCloseTo(expectedPeriod, mMaxRoundingError));
+    EXPECT_THAT(intercept, IsCloseTo(expectedIntercept, mMaxRoundingError));
+}
+
 TEST_F(VSyncPredictorTest, resetsWhenInstructed) {
     auto const idealPeriod = 10000;
     auto const realPeriod = 10500;
@@ -390,6 +416,22 @@
     }
 }
 
+constexpr nsecs_t operator""_years(unsigned long long years) noexcept {
+    using namespace std::chrono_literals;
+    return years * 365 * 24 * 3600 *
+            std::chrono::duration_cast<std::chrono::nanoseconds>(1s).count();
+}
+TEST_F(VSyncPredictorTest, aPhoneThatHasBeenAroundAWhileCanStillComputePeriod) {
+    constexpr nsecs_t timeBase = 100_years;
+
+    for (auto i = 0; i < kHistorySize; i++) {
+        tracker.addVsyncTimestamp(timeBase + i * mPeriod);
+    }
+    auto [slope, intercept] = tracker.getVSyncPredictionModel();
+    EXPECT_THAT(slope, IsCloseTo(mPeriod, mMaxRoundingError));
+    EXPECT_THAT(intercept, Eq(0));
+}
+
 } // namespace android::scheduler
 
 // TODO(b/129481165): remove the #pragma below and fix conversion issues
diff --git a/services/surfaceflinger/tests/unittests/VSyncReactorTest.cpp b/services/surfaceflinger/tests/unittests/VSyncReactorTest.cpp
index ac95938..4f150ef 100644
--- a/services/surfaceflinger/tests/unittests/VSyncReactorTest.cpp
+++ b/services/surfaceflinger/tests/unittests/VSyncReactorTest.cpp
@@ -41,6 +41,7 @@
     MOCK_CONST_METHOD0(currentPeriod, nsecs_t());
     MOCK_METHOD1(setPeriod, void(nsecs_t));
     MOCK_METHOD0(resetModel, void());
+    MOCK_CONST_METHOD1(dump, void(std::string&));
 };
 
 class VSyncTrackerWrapper : public VSyncTracker {
@@ -56,6 +57,7 @@
     nsecs_t currentPeriod() const final { return mTracker->currentPeriod(); }
     void setPeriod(nsecs_t period) final { mTracker->setPeriod(period); }
     void resetModel() final { mTracker->resetModel(); }
+    void dump(std::string& result) const final { mTracker->dump(result); }
 
 private:
     std::shared_ptr<VSyncTracker> const mTracker;
@@ -83,6 +85,7 @@
     MOCK_METHOD1(unregisterCallback, void(CallbackToken));
     MOCK_METHOD3(schedule, ScheduleResult(CallbackToken, nsecs_t, nsecs_t));
     MOCK_METHOD1(cancel, CancelResult(CallbackToken token));
+    MOCK_CONST_METHOD1(dump, void(std::string&));
 };
 
 class VSyncDispatchWrapper : public VSyncDispatch {
@@ -102,6 +105,8 @@
 
     CancelResult cancel(CallbackToken token) final { return mDispatch->cancel(token); }
 
+    void dump(std::string& result) const final { return mDispatch->dump(result); }
+
 private:
     std::shared_ptr<VSyncDispatch> const mDispatch;
 };
diff --git a/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockPowerAdvisor.h b/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockPowerAdvisor.h
index fe57c98..e22d0cf 100644
--- a/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockPowerAdvisor.h
+++ b/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockPowerAdvisor.h
@@ -29,6 +29,7 @@
     PowerAdvisor();
     ~PowerAdvisor() override;
 
+    MOCK_METHOD0(onBootFinished, void());
     MOCK_METHOD2(setExpensiveRenderingExpected, void(DisplayId displayId, bool expected));
     MOCK_METHOD0(notifyDisplayUpdateImminent, void());
 };
diff --git a/services/surfaceflinger/tests/unittests/mock/MockLayer.h b/services/surfaceflinger/tests/unittests/mock/MockLayer.h
index e2f6abd..119f580 100644
--- a/services/surfaceflinger/tests/unittests/mock/MockLayer.h
+++ b/services/surfaceflinger/tests/unittests/mock/MockLayer.h
@@ -31,7 +31,7 @@
     MOCK_METHOD0(getFrameSelectionPriority, int32_t());
     MOCK_CONST_METHOD0(isVisible, bool());
     MOCK_METHOD0(createClone, sp<Layer>());
-    MOCK_CONST_METHOD0(getFrameRate, FrameRate());
+    MOCK_CONST_METHOD0(getFrameRateForLayerTree, FrameRate());
 };
 
 } // namespace android::mock
diff --git a/services/surfaceflinger/tests/unittests/mock/MockSurfaceInterceptor.h b/services/surfaceflinger/tests/unittests/mock/MockSurfaceInterceptor.h
index 458b2f3..5beee1c 100644
--- a/services/surfaceflinger/tests/unittests/mock/MockSurfaceInterceptor.h
+++ b/services/surfaceflinger/tests/unittests/mock/MockSurfaceInterceptor.h
@@ -39,7 +39,7 @@
                       const Vector<DisplayState>&, uint32_t));
     MOCK_METHOD1(saveSurfaceCreation, void(const sp<const Layer>&));
     MOCK_METHOD1(saveSurfaceDeletion, void(const sp<const Layer>&));
-    MOCK_METHOD4(saveBufferUpdate, void(const sp<const Layer>&, uint32_t, uint32_t, uint64_t));
+    MOCK_METHOD4(saveBufferUpdate, void(int32_t, uint32_t, uint32_t, uint64_t));
     MOCK_METHOD1(saveDisplayCreation, void(const DisplayDeviceState&));
     MOCK_METHOD1(saveDisplayDeletion, void(int32_t));
     MOCK_METHOD2(savePowerModeUpdate, void(int32_t, int32_t));
diff --git a/services/surfaceflinger/tests/unittests/mock/MockTimeStats.h b/services/surfaceflinger/tests/unittests/mock/MockTimeStats.h
index c45d584..9ea4dd0 100644
--- a/services/surfaceflinger/tests/unittests/mock/MockTimeStats.h
+++ b/services/surfaceflinger/tests/unittests/mock/MockTimeStats.h
@@ -36,6 +36,7 @@
     MOCK_METHOD0(incrementMissedFrames, void());
     MOCK_METHOD0(incrementClientCompositionFrames, void());
     MOCK_METHOD0(incrementClientCompositionReusedFrames, void());
+    MOCK_METHOD0(incrementRefreshRateSwitches, void());
     MOCK_METHOD1(recordDisplayEventConnectionCount, void(int32_t));
     MOCK_METHOD2(recordFrameDuration, void(nsecs_t, nsecs_t));
     MOCK_METHOD2(recordRenderEngineDuration, void(nsecs_t, nsecs_t));
diff --git a/vulkan/TEST_MAPPING b/vulkan/TEST_MAPPING
new file mode 100644
index 0000000..d391dce
--- /dev/null
+++ b/vulkan/TEST_MAPPING
@@ -0,0 +1,7 @@
+{
+  "presubmit": [
+    {
+      "name": "CtsGpuToolsHostTestCases"
+    }
+  ]
+}
diff --git a/vulkan/libvulkan/api.cpp b/vulkan/libvulkan/api.cpp
index aae72db..5b9affd 100644
--- a/vulkan/libvulkan/api.cpp
+++ b/vulkan/libvulkan/api.cpp
@@ -29,6 +29,8 @@
 #include <algorithm>
 #include <mutex>
 #include <new>
+#include <string>
+#include <unordered_set>
 #include <utility>
 
 #include <android-base/strings.h>
@@ -1194,6 +1196,23 @@
     return initialized;
 }
 
+template <typename Functor>
+void ForEachLayerFromSettings(Functor functor) {
+    const std::string layersSetting =
+        android::GraphicsEnv::getInstance().getDebugLayers();
+    if (!layersSetting.empty()) {
+        std::vector<std::string> layers =
+            android::base::Split(layersSetting, ":");
+        for (uint32_t i = 0; i < layers.size(); i++) {
+            const Layer* layer = FindLayer(layers[i].c_str());
+            if (!layer) {
+                continue;
+            }
+            functor(layer);
+        }
+    }
+}
+
 }  // anonymous namespace
 
 VkResult CreateInstance(const VkInstanceCreateInfo* pCreateInfo,
@@ -1280,9 +1299,56 @@
         return *pPropertyCount < count ? VK_INCOMPLETE : VK_SUCCESS;
     }
 
-    // TODO(b/143293104): expose extensions from implicitly enabled layers
-    return vulkan::driver::EnumerateInstanceExtensionProperties(
-        nullptr, pPropertyCount, pProperties);
+    // If the pLayerName is nullptr, we must advertise all instance extensions
+    // from all implicitly enabled layers and the driver implementation. If
+    // there are duplicates among layers and the driver implementation, always
+    // only preserve the top layer closest to the application regardless of the
+    // spec version.
+    std::vector<VkExtensionProperties> properties;
+    std::unordered_set<std::string> extensionNames;
+
+    // Expose extensions from implicitly enabled layers.
+    ForEachLayerFromSettings([&](const Layer* layer) {
+        uint32_t count = 0;
+        const VkExtensionProperties* props =
+            GetLayerInstanceExtensions(*layer, count);
+        if (count > 0) {
+            for (uint32_t i = 0; i < count; ++i) {
+                if (extensionNames.emplace(props[i].extensionName).second) {
+                    properties.push_back(props[i]);
+                }
+            }
+        }
+    });
+
+    // TODO(b/143293104): Parse debug.vulkan.layers properties
+
+    // Expose extensions from driver implementation.
+    {
+        uint32_t count = 0;
+        VkResult result = vulkan::driver::EnumerateInstanceExtensionProperties(
+            nullptr, &count, nullptr);
+        if (result == VK_SUCCESS && count > 0) {
+            std::vector<VkExtensionProperties> props(count);
+            result = vulkan::driver::EnumerateInstanceExtensionProperties(
+                nullptr, &count, props.data());
+            for (auto prop : props) {
+                if (extensionNames.emplace(prop.extensionName).second) {
+                    properties.push_back(prop);
+                }
+            }
+        }
+    }
+
+    uint32_t totalCount = properties.size();
+    if (!pProperties || *pPropertyCount > totalCount) {
+        *pPropertyCount = totalCount;
+    }
+    if (pProperties) {
+        std::copy(properties.data(), properties.data() + *pPropertyCount,
+                  pProperties);
+    }
+    return *pPropertyCount < totalCount ? VK_INCOMPLETE : VK_SUCCESS;
 }
 
 VkResult EnumerateDeviceLayerProperties(VkPhysicalDevice physicalDevice,
@@ -1334,10 +1400,57 @@
         return *pPropertyCount < count ? VK_INCOMPLETE : VK_SUCCESS;
     }
 
-    // TODO(b/143293104): expose extensions from implicitly enabled layers
-    const InstanceData& data = GetData(physicalDevice);
-    return data.dispatch.EnumerateDeviceExtensionProperties(
-        physicalDevice, nullptr, pPropertyCount, pProperties);
+    // If the pLayerName is nullptr, we must advertise all device extensions
+    // from all implicitly enabled layers and the driver implementation. If
+    // there are duplicates among layers and the driver implementation, always
+    // only preserve the top layer closest to the application regardless of the
+    // spec version.
+    std::vector<VkExtensionProperties> properties;
+    std::unordered_set<std::string> extensionNames;
+
+    // Expose extensions from implicitly enabled layers.
+    ForEachLayerFromSettings([&](const Layer* layer) {
+        uint32_t count = 0;
+        const VkExtensionProperties* props =
+            GetLayerDeviceExtensions(*layer, count);
+        if (count > 0) {
+            for (uint32_t i = 0; i < count; ++i) {
+                if (extensionNames.emplace(props[i].extensionName).second) {
+                    properties.push_back(props[i]);
+                }
+            }
+        }
+    });
+
+    // TODO(b/143293104): Parse debug.vulkan.layers properties
+
+    // Expose extensions from driver implementation.
+    {
+        const InstanceData& data = GetData(physicalDevice);
+        uint32_t count = 0;
+        VkResult result = data.dispatch.EnumerateDeviceExtensionProperties(
+            physicalDevice, nullptr, &count, nullptr);
+        if (result == VK_SUCCESS && count > 0) {
+            std::vector<VkExtensionProperties> props(count);
+            result = data.dispatch.EnumerateDeviceExtensionProperties(
+                physicalDevice, nullptr, &count, props.data());
+            for (auto prop : props) {
+                if (extensionNames.emplace(prop.extensionName).second) {
+                    properties.push_back(prop);
+                }
+            }
+        }
+    }
+
+    uint32_t totalCount = properties.size();
+    if (!pProperties || *pPropertyCount > totalCount) {
+        *pPropertyCount = totalCount;
+    }
+    if (pProperties) {
+        std::copy(properties.data(), properties.data() + *pPropertyCount,
+                  pProperties);
+    }
+    return *pPropertyCount < totalCount ? VK_INCOMPLETE : VK_SUCCESS;
 }
 
 VkResult EnumerateInstanceVersion(uint32_t* pApiVersion) {