Merge "Draw shadows when the casting layer is occluded or transparent"
diff --git a/aidl/gui/android/view/LayerMetadataKey.aidl b/aidl/gui/android/view/LayerMetadataKey.aidl
new file mode 100644
index 0000000..7026ca8
--- /dev/null
+++ b/aidl/gui/android/view/LayerMetadataKey.aidl
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2019 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.view;
+
+/** @hide */
+@Backing(type="int")
+enum LayerMetadataKey {
+    METADATA_OWNER_UID = 1,
+    METADATA_WINDOW_TYPE = 2,
+    METADATA_TASK_ID = 3,
+    METADATA_MOUSE_CURSOR = 4,
+}
diff --git a/cmds/dumpstate/dumpstate.cpp b/cmds/dumpstate/dumpstate.cpp
index 9d6a7ff..fc94f23 100644
--- a/cmds/dumpstate/dumpstate.cpp
+++ b/cmds/dumpstate/dumpstate.cpp
@@ -2729,15 +2729,13 @@
 DurationReporter::~DurationReporter() {
     if (!title_.empty()) {
         float elapsed = (float)(Nanotime() - started_) / NANOS_PER_SEC;
-        if (elapsed < .5f && !verbose_) {
-            return;
+        if (elapsed >= .5f || verbose_) {
+            MYLOGD("Duration of '%s': %.2fs\n", title_.c_str(), elapsed);
         }
-        MYLOGD("Duration of '%s': %.2fs\n", title_.c_str(), elapsed);
-        if (logcat_only_) {
-            return;
+        if (!logcat_only_) {
+            // Use "Yoda grammar" to make it easier to grep|sort sections.
+            printf("------ %.3fs was the duration of '%s' ------\n", elapsed, title_.c_str());
         }
-        // Use "Yoda grammar" to make it easier to grep|sort sections.
-        printf("------ %.3fs was the duration of '%s' ------\n", elapsed, title_.c_str());
     }
 }
 
diff --git a/cmds/servicemanager/ServiceManager.cpp b/cmds/servicemanager/ServiceManager.cpp
index 141171b..ae74ac3 100644
--- a/cmds/servicemanager/ServiceManager.cpp
+++ b/cmds/servicemanager/ServiceManager.cpp
@@ -18,6 +18,9 @@
 
 #include <android-base/logging.h>
 #include <android-base/properties.h>
+#include <binder/BpBinder.h>
+#include <binder/IPCThreadState.h>
+#include <binder/ProcessState.h>
 #include <binder/Stability.h>
 #include <cutils/android_filesystem_config.h>
 #include <cutils/multiuser.h>
@@ -80,7 +83,7 @@
 ServiceManager::~ServiceManager() {
     // this should only happen in tests
 
-    for (const auto& [name, callbacks] : mNameToCallback) {
+    for (const auto& [name, callbacks] : mNameToRegistrationCallback) {
         CHECK(!callbacks.empty()) << name;
         for (const auto& callback : callbacks) {
             CHECK(callback != nullptr) << name;
@@ -108,10 +111,11 @@
     auto ctx = mAccess->getCallingContext();
 
     sp<IBinder> out;
+    Service* service = nullptr;
     if (auto it = mNameToService.find(name); it != mNameToService.end()) {
-        const Service& service = it->second;
+        service = &(it->second);
 
-        if (!service.allowIsolated) {
+        if (!service->allowIsolated) {
             uid_t appid = multiuser_get_app_id(ctx.uid);
             bool isIsolated = appid >= AID_ISOLATED_START && appid <= AID_ISOLATED_END;
 
@@ -119,7 +123,7 @@
                 return nullptr;
             }
         }
-        out = service.binder;
+        out = service->binder;
     }
 
     if (!mAccess->canFind(ctx, name)) {
@@ -130,6 +134,12 @@
         tryStartService(name);
     }
 
+    if (out) {
+        // Setting this guarantee each time we hand out a binder ensures that the client-checking
+        // loop knows about the event even if the client immediately drops the service
+        service->guaranteeClient = true;
+    }
+
     return out;
 }
 
@@ -182,15 +192,17 @@
         return Status::fromExceptionCode(Status::EX_ILLEGAL_STATE);
     }
 
-    mNameToService[name] = Service {
+    auto entry = mNameToService.emplace(name, Service {
         .binder = binder,
         .allowIsolated = allowIsolated,
         .dumpPriority = dumpPriority,
-    };
+        .debugPid = ctx.debugPid,
+    });
 
-    auto it = mNameToCallback.find(name);
-    if (it != mNameToCallback.end()) {
+    auto it = mNameToRegistrationCallback.find(name);
+    if (it != mNameToRegistrationCallback.end()) {
         for (const sp<IServiceCallback>& cb : it->second) {
+            entry.first->second.guaranteeClient = true;
             // permission checked in registerForNotifications
             cb->onRegistration(name, binder);
         }
@@ -247,7 +259,7 @@
         return Status::fromExceptionCode(Status::EX_ILLEGAL_STATE);
     }
 
-    mNameToCallback[name].push_back(callback);
+    mNameToRegistrationCallback[name].push_back(callback);
 
     if (auto it = mNameToService.find(name); it != mNameToService.end()) {
         const sp<IBinder>& binder = it->second.binder;
@@ -269,9 +281,9 @@
 
     bool found = false;
 
-    auto it = mNameToCallback.find(name);
-    if (it != mNameToCallback.end()) {
-        removeCallback(IInterface::asBinder(callback), &it, &found);
+    auto it = mNameToRegistrationCallback.find(name);
+    if (it != mNameToRegistrationCallback.end()) {
+        removeRegistrationCallback(IInterface::asBinder(callback), &it, &found);
     }
 
     if (!found) {
@@ -297,8 +309,8 @@
     return Status::ok();
 }
 
-void ServiceManager::removeCallback(const wp<IBinder>& who,
-                                    CallbackMap::iterator* it,
+void ServiceManager::removeRegistrationCallback(const wp<IBinder>& who,
+                                    ServiceCallbackMap::iterator* it,
                                     bool* found) {
     std::vector<sp<IServiceCallback>>& listeners = (*it)->second;
 
@@ -312,7 +324,7 @@
     }
 
     if (listeners.empty()) {
-        *it = mNameToCallback.erase(*it);
+        *it = mNameToRegistrationCallback.erase(*it);
     } else {
         (*it)++;
     }
@@ -327,8 +339,12 @@
         }
     }
 
-    for (auto it = mNameToCallback.begin(); it != mNameToCallback.end();) {
-        removeCallback(who, &it, nullptr /*found*/);
+    for (auto it = mNameToRegistrationCallback.begin(); it != mNameToRegistrationCallback.end();) {
+        removeRegistrationCallback(who, &it, nullptr /*found*/);
+    }
+
+    for (auto it = mNameToClientCallback.begin(); it != mNameToClientCallback.end();) {
+        removeClientCallback(who, &it);
     }
 }
 
@@ -341,4 +357,183 @@
     }).detach();
 }
 
-}  // namespace android
+Status ServiceManager::registerClientCallback(const std::string& name, const sp<IBinder>& service,
+                                              const sp<IClientCallback>& cb) {
+    if (cb == nullptr) {
+        return Status::fromExceptionCode(Status::EX_NULL_POINTER);
+    }
+
+    auto ctx = mAccess->getCallingContext();
+    if (!mAccess->canAdd(ctx, name)) {
+        return Status::fromExceptionCode(Status::EX_SECURITY);
+    }
+
+    auto serviceIt = mNameToService.find(name);
+    if (serviceIt == mNameToService.end()) {
+        LOG(ERROR) << "Could not add callback for nonexistent service: " << name;
+        return Status::fromExceptionCode(Status::EX_ILLEGAL_ARGUMENT);
+    }
+
+    if (serviceIt->second.debugPid != IPCThreadState::self()->getCallingPid()) {
+        LOG(WARNING) << "Only a server can register for client callbacks (for " << name << ")";
+        return Status::fromExceptionCode(Status::EX_UNSUPPORTED_OPERATION);
+    }
+
+    if (serviceIt->second.binder != service) {
+        LOG(WARNING) << "Tried to register client callback for " << name
+            << " but a different service is registered under this name.";
+        return Status::fromExceptionCode(Status::EX_ILLEGAL_ARGUMENT);
+    }
+
+    if (OK != IInterface::asBinder(cb)->linkToDeath(this)) {
+        LOG(ERROR) << "Could not linkToDeath when adding client callback for " << name;
+        return Status::fromExceptionCode(Status::EX_ILLEGAL_STATE);
+    }
+
+    mNameToClientCallback[name].push_back(cb);
+
+    return Status::ok();
+}
+
+void ServiceManager::removeClientCallback(const wp<IBinder>& who,
+                                          ClientCallbackMap::iterator* it) {
+    std::vector<sp<IClientCallback>>& listeners = (*it)->second;
+
+    for (auto lit = listeners.begin(); lit != listeners.end();) {
+        if (IInterface::asBinder(*lit) == who) {
+            lit = listeners.erase(lit);
+        } else {
+            ++lit;
+        }
+    }
+
+    if (listeners.empty()) {
+        *it = mNameToClientCallback.erase(*it);
+    } else {
+        (*it)++;
+    }
+}
+
+ssize_t ServiceManager::Service::getNodeStrongRefCount() {
+    sp<BpBinder> bpBinder = binder->remoteBinder();
+    if (bpBinder == nullptr) return -1;
+
+    return ProcessState::self()->getStrongRefCountForNodeByHandle(bpBinder->handle());
+}
+
+void ServiceManager::handleClientCallbacks() {
+    for (const auto& [name, service] : mNameToService) {
+        handleServiceClientCallback(name);
+    }
+}
+
+ssize_t ServiceManager::handleServiceClientCallback(const std::string& serviceName) {
+    auto serviceIt = mNameToService.find(serviceName);
+    if (serviceIt == mNameToService.end() || mNameToClientCallback.count(serviceName) < 1) {
+        return -1;
+    }
+
+    Service& service = serviceIt->second;
+    ssize_t count = service.getNodeStrongRefCount();
+
+    // binder driver doesn't support this feature
+    if (count == -1) return count;
+
+    bool hasClients = count > 1; // this process holds a strong count
+
+    if (service.guaranteeClient) {
+        // we have no record of this client
+        if (!service.hasClients && !hasClients) {
+            sendClientCallbackNotifications(serviceName, true);
+        }
+
+        // guarantee is temporary
+        service.guaranteeClient = false;
+    }
+
+    if (hasClients && !service.hasClients) {
+        // client was retrieved in some other way
+        sendClientCallbackNotifications(serviceName, true);
+    }
+
+    // there are no more clients, but the callback has not been called yet
+    if (!hasClients && service.hasClients) {
+        sendClientCallbackNotifications(serviceName, false);
+    }
+
+    return count;
+}
+
+void ServiceManager::sendClientCallbackNotifications(const std::string& serviceName, bool hasClients) {
+    auto serviceIt = mNameToService.find(serviceName);
+    if (serviceIt == mNameToService.end()) {
+        LOG(WARNING) << "sendClientCallbackNotifications could not find service " << serviceName;
+        return;
+    }
+    Service& service = serviceIt->second;
+
+    CHECK(hasClients != service.hasClients) << "Record shows: " << service.hasClients
+        << " so we can't tell clients again that we have client: " << hasClients;
+
+    LOG(INFO) << "Notifying " << serviceName << " they have clients: " << hasClients;
+
+    auto ccIt = mNameToClientCallback.find(serviceName);
+    CHECK(ccIt != mNameToClientCallback.end())
+        << "sendClientCallbackNotifications could not find callbacks for service ";
+
+    for (const auto& callback : ccIt->second) {
+        callback->onClients(service.binder, hasClients);
+    }
+
+    service.hasClients = hasClients;
+}
+
+Status ServiceManager::tryUnregisterService(const std::string& name, const sp<IBinder>& binder) {
+    if (binder == nullptr) {
+        return Status::fromExceptionCode(Status::EX_NULL_POINTER);
+    }
+
+    auto ctx = mAccess->getCallingContext();
+    if (!mAccess->canAdd(ctx, name)) {
+        return Status::fromExceptionCode(Status::EX_SECURITY);
+    }
+
+    auto serviceIt = mNameToService.find(name);
+    if (serviceIt == mNameToService.end()) {
+        LOG(WARNING) << "Tried to unregister " << name
+            << ", but that service wasn't registered to begin with.";
+        return Status::fromExceptionCode(Status::EX_ILLEGAL_STATE);
+    }
+
+    if (serviceIt->second.debugPid != IPCThreadState::self()->getCallingPid()) {
+        LOG(WARNING) << "Only a server can unregister itself (for " << name << ")";
+        return Status::fromExceptionCode(Status::EX_UNSUPPORTED_OPERATION);
+    }
+
+    sp<IBinder> storedBinder = serviceIt->second.binder;
+
+    if (binder != storedBinder) {
+        LOG(WARNING) << "Tried to unregister " << name
+            << ", but a different service is registered under this name.";
+        return Status::fromExceptionCode(Status::EX_ILLEGAL_STATE);
+    }
+
+    int clients = handleServiceClientCallback(name);
+
+    // clients < 0: feature not implemented or other error. Assume clients.
+    // Otherwise:
+    // - kernel driver will hold onto one refcount (during this transaction)
+    // - servicemanager has a refcount (guaranteed by this transaction)
+    // So, if clients > 2, then at least one other service on the system must hold a refcount.
+    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;
+        return Status::fromExceptionCode(Status::EX_ILLEGAL_STATE);
+    }
+
+    mNameToService.erase(name);
+
+    return Status::ok();
+}
+
+}  // namespace android
\ No newline at end of file
diff --git a/cmds/servicemanager/ServiceManager.h b/cmds/servicemanager/ServiceManager.h
index 7dcdaa4..77f5250 100644
--- a/cmds/servicemanager/ServiceManager.h
+++ b/cmds/servicemanager/ServiceManager.h
@@ -17,12 +17,14 @@
 #pragma once
 
 #include <android/os/BnServiceManager.h>
+#include <android/os/IClientCallback.h>
 #include <android/os/IServiceCallback.h>
 
 #include "Access.h"
 
 namespace android {
 
+using os::IClientCallback;
 using os::IServiceCallback;
 
 class ServiceManager : public os::BnServiceManager, public IBinder::DeathRecipient {
@@ -40,9 +42,13 @@
                                             const sp<IServiceCallback>& callback) override;
     binder::Status unregisterForNotifications(const std::string& name,
                                               const sp<IServiceCallback>& callback) override;
-    binder::Status isDeclared(const std::string& name, bool* outReturn) override;
 
+    binder::Status isDeclared(const std::string& name, bool* outReturn) override;
+    binder::Status registerClientCallback(const std::string& name, const sp<IBinder>& service,
+                                          const sp<IClientCallback>& cb) override;
+    binder::Status tryUnregisterService(const std::string& name, const sp<IBinder>& binder) override;
     void binderDied(const wp<IBinder>& who) override;
+    void handleClientCallbacks();
 
 protected:
     virtual void tryStartService(const std::string& name);
@@ -52,20 +58,35 @@
         sp<IBinder> binder; // not null
         bool allowIsolated;
         int32_t dumpPriority;
+        bool hasClients = false; // notifications sent on true -> false.
+        bool guaranteeClient = false; // forces the client check to true
+        pid_t debugPid = 0; // the process in which this service runs
+
+        // the number of clients of the service, including servicemanager itself
+        ssize_t getNodeStrongRefCount();
     };
 
-    using CallbackMap = std::map<std::string, std::vector<sp<IServiceCallback>>>;
+    using ServiceCallbackMap = std::map<std::string, std::vector<sp<IServiceCallback>>>;
+    using ClientCallbackMap = std::map<std::string, std::vector<sp<IClientCallback>>>;
     using ServiceMap = std::map<std::string, Service>;
 
-    // removes a callback from mNameToCallback, removing it if the vector is empty
+    // removes a callback from mNameToRegistrationCallback, removing it if the vector is empty
     // this updates iterator to the next location
-    void removeCallback(const wp<IBinder>& who,
-                        CallbackMap::iterator* it,
+    void removeRegistrationCallback(const wp<IBinder>& who,
+                        ServiceCallbackMap::iterator* it,
                         bool* found);
+    ssize_t handleServiceClientCallback(const std::string& serviceName);
+     // Also updates mHasClients (of what the last callback was)
+    void sendClientCallbackNotifications(const std::string& serviceName, bool hasClients);
+    // removes a callback from mNameToClientCallback, deleting the entry if the vector is empty
+    // this updates the iterator to the next location
+    void removeClientCallback(const wp<IBinder>& who, ClientCallbackMap::iterator* it);
+
     sp<IBinder> tryGetService(const std::string& name, bool startIfNotFound);
 
-    CallbackMap mNameToCallback;
     ServiceMap mNameToService;
+    ServiceCallbackMap mNameToRegistrationCallback;
+    ClientCallbackMap mNameToClientCallback;
 
     std::unique_ptr<Access> mAccess;
 };
diff --git a/cmds/servicemanager/main.cpp b/cmds/servicemanager/main.cpp
index 4b12fc6..2618906 100644
--- a/cmds/servicemanager/main.cpp
+++ b/cmds/servicemanager/main.cpp
@@ -18,18 +18,101 @@
 #include <binder/IPCThreadState.h>
 #include <binder/ProcessState.h>
 #include <binder/Status.h>
+#include <sys/timerfd.h>
+#include <utils/Looper.h>
 #include <utils/StrongPointer.h>
 
 #include "Access.h"
 #include "ServiceManager.h"
 
 using ::android::Access;
+using ::android::sp;
+using ::android::Looper;
+using ::android::LooperCallback;
+using ::android::ProcessState;
 using ::android::IPCThreadState;
 using ::android::ProcessState;
 using ::android::ServiceManager;
 using ::android::os::IServiceManager;
 using ::android::sp;
 
+class BinderCallback : public LooperCallback {
+public:
+    static sp<BinderCallback> setupTo(const sp<Looper>& looper) {
+        sp<BinderCallback> cb = new BinderCallback;
+
+        int binder_fd = -1;
+        IPCThreadState::self()->setupPolling(&binder_fd);
+        LOG_ALWAYS_FATAL_IF(binder_fd < 0, "Failed to setupPolling: %d", binder_fd);
+
+        // Flush after setupPolling(), to make sure the binder driver
+        // knows about this thread handling commands.
+        IPCThreadState::self()->flushCommands();
+
+        int ret = looper->addFd(binder_fd,
+                                Looper::POLL_CALLBACK,
+                                Looper::EVENT_INPUT,
+                                cb,
+                                nullptr /*data*/);
+        LOG_ALWAYS_FATAL_IF(ret != 1, "Failed to add binder FD to Looper");
+
+        return cb;
+    }
+
+    int handleEvent(int /* fd */, int /* events */, void* /* data */) override {
+        IPCThreadState::self()->handlePolledCommands();
+        return 1;  // Continue receiving callbacks.
+    }
+};
+
+// LooperCallback for IClientCallback
+class ClientCallbackCallback : public LooperCallback {
+public:
+    static sp<ClientCallbackCallback> setupTo(const sp<Looper>& looper, const sp<ServiceManager>& manager) {
+        sp<ClientCallbackCallback> cb = new ClientCallbackCallback(manager);
+
+        int fdTimer = timerfd_create(CLOCK_MONOTONIC, 0 /*flags*/);
+        LOG_ALWAYS_FATAL_IF(fdTimer < 0, "Failed to timerfd_create: fd: %d err: %d", fdTimer, errno);
+
+        itimerspec timespec {
+            .it_interval = {
+                .tv_sec = 5,
+                .tv_nsec = 0,
+            },
+            .it_value = {
+                .tv_sec = 5,
+                .tv_nsec = 0,
+            },
+        };
+
+        int timeRes = timerfd_settime(fdTimer, 0 /*flags*/, &timespec, nullptr);
+        LOG_ALWAYS_FATAL_IF(timeRes < 0, "Failed to timerfd_settime: res: %d err: %d", timeRes, errno);
+
+        int addRes = looper->addFd(fdTimer,
+                                   Looper::POLL_CALLBACK,
+                                   Looper::EVENT_INPUT,
+                                   cb,
+                                   nullptr);
+        LOG_ALWAYS_FATAL_IF(addRes != 1, "Failed to add client callback FD to Looper");
+
+        return cb;
+    }
+
+    int handleEvent(int fd, int /*events*/, void* /*data*/) override {
+        uint64_t expirations;
+        int ret = read(fd, &expirations, sizeof(expirations));
+        if (ret != sizeof(expirations)) {
+            ALOGE("Read failed to callback FD: ret: %d err: %d", ret, errno);
+        }
+
+        mManager->handleClientCallbacks();
+        return 1;  // Continue receiving callbacks.
+    }
+private:
+    ClientCallbackCallback(const sp<ServiceManager>& manager) : mManager(manager) {}
+    sp<ServiceManager> mManager;
+};
+
 int main(int argc, char** argv) {
     if (argc > 2) {
         LOG(FATAL) << "usage: " << argv[0] << " [binder driver]";
@@ -49,7 +132,14 @@
     IPCThreadState::self()->setTheContextObject(manager);
     ps->becomeContextManager(nullptr, nullptr);
 
-    IPCThreadState::self()->joinThreadPool();
+    sp<Looper> looper = Looper::prepare(false /*allowNonCallbacks*/);
+
+    BinderCallback::setupTo(looper);
+    ClientCallbackCallback::setupTo(looper, manager);
+
+    while(true) {
+        looper->pollAll(-1);
+    }
 
     // should not be reached
     return EXIT_FAILURE;
diff --git a/libs/binder/Android.bp b/libs/binder/Android.bp
index 7ee4882..079dd82 100644
--- a/libs/binder/Android.bp
+++ b/libs/binder/Android.bp
@@ -90,6 +90,7 @@
         "IResultReceiver.cpp",
         "IServiceManager.cpp",
         "IShellCallback.cpp",
+        "LazyServiceRegistrar.cpp",
         "MemoryBase.cpp",
         "MemoryDealer.cpp",
         "MemoryHeapBase.cpp",
@@ -160,6 +161,7 @@
     name: "libbinder_aidl",
     srcs: [
         "aidl/android/content/pm/IPackageManagerNative.aidl",
+        "aidl/android/os/IClientCallback.aidl",
         "aidl/android/os/IServiceCallback.aidl",
         "aidl/android/os/IServiceManager.aidl",
     ],
diff --git a/libs/binder/IServiceManager.cpp b/libs/binder/IServiceManager.cpp
index bac8b66..5ca9156 100644
--- a/libs/binder/IServiceManager.cpp
+++ b/libs/binder/IServiceManager.cpp
@@ -271,6 +271,8 @@
             std::unique_lock<std::mutex> lock(mMutex);
             mBinder = binder;
             lock.unlock();
+            // Flushing here helps ensure the service's ref count remains accurate
+            IPCThreadState::self()->flushCommands();
             mCv.notify_one();
             return Status::ok();
         }
diff --git a/libs/binder/LazyServiceRegistrar.cpp b/libs/binder/LazyServiceRegistrar.cpp
new file mode 100644
index 0000000..dc9482c
--- /dev/null
+++ b/libs/binder/LazyServiceRegistrar.cpp
@@ -0,0 +1,167 @@
+/*
+ * Copyright (C) 2019 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 LOG_TAG "AidlLazyServiceRegistrar"
+
+#include <binder/LazyServiceRegistrar.h>
+#include <binder/IPCThreadState.h>
+#include <binder/IServiceManager.h>
+#include <android/os/BnClientCallback.h>
+#include <android/os/IServiceManager.h>
+#include <utils/Log.h>
+
+namespace android {
+namespace binder {
+namespace internal {
+
+using AidlServiceManager = android::os::IServiceManager;
+
+class ClientCounterCallback : public ::android::os::BnClientCallback {
+public:
+    ClientCounterCallback() : mNumConnectedServices(0) {}
+
+    bool registerService(const sp<IBinder>& service, const std::string& name,
+                         bool allowIsolated, int dumpFlags);
+
+protected:
+    Status onClients(const sp<IBinder>& service, bool clients) override;
+
+private:
+    /**
+     * Unregisters all services that we can. If we can't unregister all, re-register other
+     * services.
+     */
+    void tryShutdown();
+
+    /**
+     * Counter of the number of services that currently have at least one client.
+     */
+    size_t mNumConnectedServices;
+
+    struct Service {
+        sp<IBinder> service;
+        std::string name;
+        bool allowIsolated;
+        int dumpFlags;
+    };
+    /**
+     * Number of services that have been registered.
+     */
+    std::vector<Service> mRegisteredServices;
+};
+
+bool ClientCounterCallback::registerService(const sp<IBinder>& service, const std::string& name,
+                                            bool allowIsolated, int dumpFlags) {
+    auto manager = interface_cast<AidlServiceManager>(
+                    ProcessState::self()->getContextObject(nullptr));
+
+    ALOGI("Registering service %s", name.c_str());
+
+    if (!manager->addService(name.c_str(), service, allowIsolated, dumpFlags).isOk()) {
+        ALOGE("Failed to register service %s", name.c_str());
+        return false;
+    }
+
+    if (!manager->registerClientCallback(name, service, this).isOk())
+    {
+      ALOGE("Failed to add client callback for service %s", name.c_str());
+      return false;
+    }
+
+    mRegisteredServices.push_back({service, name, allowIsolated, dumpFlags});
+
+    return true;
+}
+
+/**
+ * onClients is oneway, so no need to worry about multi-threading. Note that this means multiple
+ * invocations could occur on different threads however.
+ */
+Status ClientCounterCallback::onClients(const sp<IBinder>& service, bool clients) {
+    if (clients) {
+        mNumConnectedServices++;
+    } else {
+        mNumConnectedServices--;
+    }
+
+    ALOGI("Process has %zu (of %zu available) client(s) in use after notification %s has clients: %d",
+          mNumConnectedServices, mRegisteredServices.size(),
+          String8(service->getInterfaceDescriptor()).string(), clients);
+
+    if (mNumConnectedServices == 0) {
+        tryShutdown();
+    }
+
+    return Status::ok();
+}
+
+void ClientCounterCallback::tryShutdown() {
+    ALOGI("Trying to shut down the service. No clients in use for any service in process.");
+
+    // This makes the same assumption as IServiceManager.cpp. Could dedupe if used in more places.
+    auto manager = interface_cast<AidlServiceManager>(
+            ProcessState::self()->getContextObject(nullptr));
+
+    auto unRegisterIt = mRegisteredServices.begin();
+    for (; unRegisterIt != mRegisteredServices.end(); ++unRegisterIt) {
+        auto& entry = (*unRegisterIt);
+
+        bool success = manager->tryUnregisterService(entry.name, entry.service).isOk();
+
+        if (!success) {
+            ALOGI("Failed to unregister service %s", entry.name.c_str());
+            break;
+        }
+    }
+
+    if (unRegisterIt == mRegisteredServices.end()) {
+        ALOGI("Unregistered all clients and exiting");
+        exit(EXIT_SUCCESS);
+    }
+
+    for (auto reRegisterIt = mRegisteredServices.begin(); reRegisterIt != unRegisterIt;
+         reRegisterIt++) {
+        auto& entry = (*reRegisterIt);
+
+        // re-register entry
+        if (!registerService(entry.service, entry.name, entry.allowIsolated, entry.dumpFlags)) {
+            // Must restart. Otherwise, clients will never be able to get a hold of this service.
+            ALOGE("Bad state: could not re-register services");
+        }
+    }
+}
+
+}  // namespace internal
+
+LazyServiceRegistrar::LazyServiceRegistrar() {
+    mClientCC = std::make_shared<internal::ClientCounterCallback>();
+}
+
+LazyServiceRegistrar& LazyServiceRegistrar::getInstance() {
+    static auto registrarInstance = new LazyServiceRegistrar();
+    return *registrarInstance;
+}
+
+status_t LazyServiceRegistrar::registerService(const sp<IBinder>& service, const std::string& name,
+                                               bool allowIsolated, int dumpFlags) {
+    if (!mClientCC->registerService(service, name, allowIsolated, dumpFlags)) {
+        return UNKNOWN_ERROR;
+    }
+    return OK;
+}
+
+}  // namespace hardware
+}  // namespace android
\ No newline at end of file
diff --git a/libs/binder/aidl/android/os/IClientCallback.aidl b/libs/binder/aidl/android/os/IClientCallback.aidl
new file mode 100644
index 0000000..36d7ee6
--- /dev/null
+++ b/libs/binder/aidl/android/os/IClientCallback.aidl
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2019 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.os;
+
+/**
+ * @hide
+ */
+oneway interface IClientCallback {
+    /**
+     * This is called when there is a transition between having >= 1 clients and having 0 clients
+     * (or vice versa).
+     *
+     * Upon receiving hasClients false, if the process decides to exit, it is recommended to try to
+     * unregister using IServiceManager's tryUnregister before quitting in case another client
+     * associates.
+     *
+     * @param registered binder 'server' registered with IServiceManager's registerClientCallback
+     * @param hasClients whether there are currently clients
+     *     true - when there are >= 1 clients. This must be called as soon as IServiceManager::get
+     *         is called (no race).
+     *     false - when there are 0 clients. This may be delayed if it is thought that another
+     *         may be used again soon.
+     */
+    void onClients(IBinder registered, boolean hasClients);
+}
diff --git a/libs/binder/aidl/android/os/IServiceManager.aidl b/libs/binder/aidl/android/os/IServiceManager.aidl
index b965881..ff15460 100644
--- a/libs/binder/aidl/android/os/IServiceManager.aidl
+++ b/libs/binder/aidl/android/os/IServiceManager.aidl
@@ -16,6 +16,7 @@
 
 package android.os;
 
+import android.os.IClientCallback;
 import android.os.IServiceCallback;
 
 /**
@@ -96,4 +97,15 @@
      * manifest.
      */
     boolean isDeclared(@utf8InCpp String name);
+
+    /**
+     * Request a callback when the number of clients of the service changes.
+     * Used by LazyServiceRegistrar to dynamically stop services that have no clients.
+     */
+    void registerClientCallback(@utf8InCpp String name, IBinder service, IClientCallback callback);
+
+    /**
+     * Attempt to unregister and remove a service. Will fail if the service is still in use.
+     */
+    void tryUnregisterService(@utf8InCpp String name, IBinder service);
 }
diff --git a/libs/binder/include/binder/LazyServiceRegistrar.h b/libs/binder/include/binder/LazyServiceRegistrar.h
new file mode 100644
index 0000000..efdecc4
--- /dev/null
+++ b/libs/binder/include/binder/LazyServiceRegistrar.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2019 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 <binder/IServiceManager.h>
+#include <binder/Status.h>
+#include <utils/StrongPointer.h>
+
+namespace android {
+namespace binder {
+namespace internal {
+class ClientCounterCallback;
+}  // namespace internal
+
+/** Exits when all services registered through this object have 0 clients */
+class LazyServiceRegistrar {
+   public:
+     static LazyServiceRegistrar& getInstance();
+     status_t registerService(const sp<IBinder>& service,
+                              const std::string& name = "default",
+                              bool allowIsolated = false,
+                              int dumpFlags = IServiceManager::DUMP_FLAG_PRIORITY_DEFAULT);
+
+   private:
+     std::shared_ptr<internal::ClientCounterCallback> mClientCC;
+     LazyServiceRegistrar();
+};
+
+}  // namespace binder
+}  // namespace android
\ No newline at end of file
diff --git a/libs/gui/Android.bp b/libs/gui/Android.bp
index 1ae148c..5959340 100644
--- a/libs/gui/Android.bp
+++ b/libs/gui/Android.bp
@@ -40,6 +40,7 @@
     defaults: ["libgui_bufferqueue-defaults"],
 
     srcs: [
+        ":framework_native_aidl",
         ":libgui_bufferqueue_sources",
 
         "BitTube.cpp",
@@ -106,6 +107,10 @@
         "libdvr_headers",
         "libpdx_headers",
     ],
+
+    aidl: {
+        export_aidl_headers: true,
+    }
 }
 
 // Used by media codec services exclusively as a static lib for
diff --git a/libs/gui/BufferQueueConsumer.cpp b/libs/gui/BufferQueueConsumer.cpp
index 3a7cb44..6418e8c 100644
--- a/libs/gui/BufferQueueConsumer.cpp
+++ b/libs/gui/BufferQueueConsumer.cpp
@@ -44,6 +44,28 @@
 
 namespace android {
 
+// Macros for include BufferQueueCore information in log messages
+#define BQ_LOGV(x, ...)                                                                           \
+    ALOGV("[%s](id:%" PRIx64 ",api:%d,p:%d,c:%" PRIu64 ") " x, mConsumerName.string(),            \
+          mCore->mUniqueId, mCore->mConnectedApi, mCore->mConnectedPid, (mCore->mUniqueId) >> 32, \
+          ##__VA_ARGS__)
+#define BQ_LOGD(x, ...)                                                                           \
+    ALOGD("[%s](id:%" PRIx64 ",api:%d,p:%d,c:%" PRIu64 ") " x, mConsumerName.string(),            \
+          mCore->mUniqueId, mCore->mConnectedApi, mCore->mConnectedPid, (mCore->mUniqueId) >> 32, \
+          ##__VA_ARGS__)
+#define BQ_LOGI(x, ...)                                                                           \
+    ALOGI("[%s](id:%" PRIx64 ",api:%d,p:%d,c:%" PRIu64 ") " x, mConsumerName.string(),            \
+          mCore->mUniqueId, mCore->mConnectedApi, mCore->mConnectedPid, (mCore->mUniqueId) >> 32, \
+          ##__VA_ARGS__)
+#define BQ_LOGW(x, ...)                                                                           \
+    ALOGW("[%s](id:%" PRIx64 ",api:%d,p:%d,c:%" PRIu64 ") " x, mConsumerName.string(),            \
+          mCore->mUniqueId, mCore->mConnectedApi, mCore->mConnectedPid, (mCore->mUniqueId) >> 32, \
+          ##__VA_ARGS__)
+#define BQ_LOGE(x, ...)                                                                           \
+    ALOGE("[%s](id:%" PRIx64 ",api:%d,p:%d,c:%" PRIu64 ") " x, mConsumerName.string(),            \
+          mCore->mUniqueId, mCore->mConnectedApi, mCore->mConnectedPid, (mCore->mUniqueId) >> 32, \
+          ##__VA_ARGS__)
+
 BufferQueueConsumer::BufferQueueConsumer(const sp<BufferQueueCore>& core) :
     mCore(core),
     mSlots(core->mSlots),
diff --git a/libs/gui/BufferQueueCore.cpp b/libs/gui/BufferQueueCore.cpp
index d6009d6..3b0120b 100644
--- a/libs/gui/BufferQueueCore.cpp
+++ b/libs/gui/BufferQueueCore.cpp
@@ -42,6 +42,23 @@
 
 namespace android {
 
+// Macros for include BufferQueueCore information in log messages
+#define BQ_LOGV(x, ...)                                                                           \
+    ALOGV("[%s](id:%" PRIx64 ",api:%d,p:%d,c:%" PRIu64 ") " x, mConsumerName.string(), mUniqueId, \
+          mConnectedApi, mConnectedPid, mUniqueId >> 32, ##__VA_ARGS__)
+#define BQ_LOGD(x, ...)                                                                           \
+    ALOGD("[%s](id:%" PRIx64 ",api:%d,p:%d,c:%" PRIu64 ") " x, mConsumerName.string(), mUniqueId, \
+          mConnectedApi, mConnectedPid, mUniqueId >> 32, ##__VA_ARGS__)
+#define BQ_LOGI(x, ...)                                                                           \
+    ALOGI("[%s](id:%" PRIx64 ",api:%d,p:%d,c:%" PRIu64 ") " x, mConsumerName.string(), mUniqueId, \
+          mConnectedApi, mConnectedPid, mUniqueId >> 32, ##__VA_ARGS__)
+#define BQ_LOGW(x, ...)                                                                           \
+    ALOGW("[%s](id:%" PRIx64 ",api:%d,p:%d,c:%" PRIu64 ") " x, mConsumerName.string(), mUniqueId, \
+          mConnectedApi, mConnectedPid, mUniqueId >> 32, ##__VA_ARGS__)
+#define BQ_LOGE(x, ...)                                                                           \
+    ALOGE("[%s](id:%" PRIx64 ",api:%d,p:%d,c:%" PRIu64 ") " x, mConsumerName.string(), mUniqueId, \
+          mConnectedApi, mConnectedPid, mUniqueId >> 32, ##__VA_ARGS__)
+
 static String8 getUniqueName() {
     static volatile int32_t counter = 0;
     return String8::format("unnamed-%d-%d", getpid(),
@@ -54,6 +71,19 @@
     return id | counter++;
 }
 
+static status_t getProcessName(int pid, String8& name) {
+    FILE* fp = fopen(String8::format("/proc/%d/cmdline", pid), "r");
+    if (NULL != fp) {
+        const size_t size = 64;
+        char proc_name[size];
+        fgets(proc_name, size, fp);
+        fclose(fp);
+        name = proc_name;
+        return NO_ERROR;
+    }
+    return INVALID_OPERATION;
+}
+
 BufferQueueCore::BufferQueueCore() :
     mMutex(),
     mIsAbandoned(false),
@@ -132,6 +162,20 @@
                             mTransformHintInUse, mAutoPrerotation);
 
     outResult->appendFormat("%sFIFO(%zu):\n", prefix.string(), mQueue.size());
+
+    outResult->appendFormat("%s(mConsumerName=%s, ", prefix.string(), mConsumerName.string());
+
+    outResult->appendFormat("mConnectedApi=%d, mConsumerUsageBits=%" PRIu64 ", ", mConnectedApi,
+                            mConsumerUsageBits);
+
+    String8 producerProcName = String8("\?\?\?");
+    String8 consumerProcName = String8("\?\?\?");
+    int32_t pid = getpid();
+    getProcessName(mConnectedPid, producerProcName);
+    getProcessName(pid, consumerProcName);
+    outResult->appendFormat("mId=%" PRIx64 ", producer=[%d:%s], consumer=[%d:%s])\n", mUniqueId,
+                            mConnectedPid, producerProcName.string(), pid,
+                            consumerProcName.string());
     Fifo::const_iterator current(mQueue.begin());
     while (current != mQueue.end()) {
         double timestamp = current->mTimestamp / 1e9;
diff --git a/libs/gui/BufferQueueProducer.cpp b/libs/gui/BufferQueueProducer.cpp
index a159f85..e6df757 100644
--- a/libs/gui/BufferQueueProducer.cpp
+++ b/libs/gui/BufferQueueProducer.cpp
@@ -44,6 +44,28 @@
 
 namespace android {
 
+// Macros for include BufferQueueCore information in log messages
+#define BQ_LOGV(x, ...)                                                                           \
+    ALOGV("[%s](id:%" PRIx64 ",api:%d,p:%d,c:%" PRIu64 ") " x, mConsumerName.string(),            \
+          mCore->mUniqueId, mCore->mConnectedApi, mCore->mConnectedPid, (mCore->mUniqueId) >> 32, \
+          ##__VA_ARGS__)
+#define BQ_LOGD(x, ...)                                                                           \
+    ALOGD("[%s](id:%" PRIx64 ",api:%d,p:%d,c:%" PRIu64 ") " x, mConsumerName.string(),            \
+          mCore->mUniqueId, mCore->mConnectedApi, mCore->mConnectedPid, (mCore->mUniqueId) >> 32, \
+          ##__VA_ARGS__)
+#define BQ_LOGI(x, ...)                                                                           \
+    ALOGI("[%s](id:%" PRIx64 ",api:%d,p:%d,c:%" PRIu64 ") " x, mConsumerName.string(),            \
+          mCore->mUniqueId, mCore->mConnectedApi, mCore->mConnectedPid, (mCore->mUniqueId) >> 32, \
+          ##__VA_ARGS__)
+#define BQ_LOGW(x, ...)                                                                           \
+    ALOGW("[%s](id:%" PRIx64 ",api:%d,p:%d,c:%" PRIu64 ") " x, mConsumerName.string(),            \
+          mCore->mUniqueId, mCore->mConnectedApi, mCore->mConnectedPid, (mCore->mUniqueId) >> 32, \
+          ##__VA_ARGS__)
+#define BQ_LOGE(x, ...)                                                                           \
+    ALOGE("[%s](id:%" PRIx64 ",api:%d,p:%d,c:%" PRIu64 ") " x, mConsumerName.string(),            \
+          mCore->mUniqueId, mCore->mConnectedApi, mCore->mConnectedPid, (mCore->mUniqueId) >> 32, \
+          ##__VA_ARGS__)
+
 static constexpr uint32_t BQ_LAYER_COUNT = 1;
 
 BufferQueueProducer::BufferQueueProducer(const sp<BufferQueueCore>& core,
diff --git a/libs/gui/ISurfaceComposer.cpp b/libs/gui/ISurfaceComposer.cpp
index 546757b..ab4d51e 100644
--- a/libs/gui/ISurfaceComposer.cpp
+++ b/libs/gui/ISurfaceComposer.cpp
@@ -525,6 +525,88 @@
         return static_cast<status_t>(reply.readInt32());
     }
 
+    virtual status_t getAutoLowLatencyModeSupport(const sp<IBinder>& display,
+                                                  bool* outSupport) const {
+        Parcel data, reply;
+        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
+        status_t result = data.writeStrongBinder(display);
+        if (result != NO_ERROR) {
+            ALOGE("getAutoLowLatencyModeSupport failed to writeStrongBinder: %d", result);
+            return result;
+        }
+        result = remote()->transact(BnSurfaceComposer::GET_AUTO_LOW_LATENCY_MODE_SUPPORT, data,
+                                    &reply);
+        if (result != NO_ERROR) {
+            ALOGE("getAutoLowLatencyModeSupport failed to transact: %d", result);
+            return result;
+        }
+        return reply.readBool(outSupport);
+    }
+
+    virtual void setAutoLowLatencyMode(const sp<IBinder>& display, bool on) {
+        Parcel data, reply;
+        status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
+        if (result != NO_ERROR) {
+            ALOGE("setAutoLowLatencyMode failed to writeInterfaceToken: %d", result);
+            return;
+        }
+
+        result = data.writeStrongBinder(display);
+        if (result != NO_ERROR) {
+            ALOGE("setAutoLowLatencyMode failed to writeStrongBinder: %d", result);
+            return;
+        }
+        result = data.writeBool(on);
+        if (result != NO_ERROR) {
+            ALOGE("setAutoLowLatencyMode failed to writeBool: %d", result);
+            return;
+        }
+        result = remote()->transact(BnSurfaceComposer::SET_AUTO_LOW_LATENCY_MODE, data, &reply);
+        if (result != NO_ERROR) {
+            ALOGE("setAutoLowLatencyMode failed to transact: %d", result);
+            return;
+        }
+    }
+
+    virtual status_t getGameContentTypeSupport(const sp<IBinder>& display, bool* outSupport) const {
+        Parcel data, reply;
+        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
+        status_t result = data.writeStrongBinder(display);
+        if (result != NO_ERROR) {
+            ALOGE("getGameContentTypeSupport failed to writeStrongBinder: %d", result);
+            return result;
+        }
+        result = remote()->transact(BnSurfaceComposer::GET_GAME_CONTENT_TYPE_SUPPORT, data, &reply);
+        if (result != NO_ERROR) {
+            ALOGE("getGameContentTypeSupport failed to transact: %d", result);
+            return result;
+        }
+        return reply.readBool(outSupport);
+    }
+
+    virtual void setGameContentType(const sp<IBinder>& display, bool on) {
+        Parcel data, reply;
+        status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
+        if (result != NO_ERROR) {
+            ALOGE("setGameContentType failed to writeInterfaceToken: %d", result);
+            return;
+        }
+        result = data.writeStrongBinder(display);
+        if (result != NO_ERROR) {
+            ALOGE("setGameContentType failed to writeStrongBinder: %d", result);
+            return;
+        }
+        result = data.writeBool(on);
+        if (result != NO_ERROR) {
+            ALOGE("setGameContentType failed to writeBool: %d", result);
+            return;
+        }
+        result = remote()->transact(BnSurfaceComposer::SET_GAME_CONTENT_TYPE, data, &reply);
+        if (result != NO_ERROR) {
+            ALOGE("setGameContentType failed to transact: %d", result);
+        }
+    }
+
     virtual status_t clearAnimationFrameStats() {
         Parcel data, reply;
         status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
@@ -852,61 +934,8 @@
         return error;
     }
 
-    virtual status_t setAllowedDisplayConfigs(const sp<IBinder>& displayToken,
-                                              const std::vector<int32_t>& allowedConfigs) {
-        Parcel data, reply;
-        status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        if (result != NO_ERROR) {
-            ALOGE("setAllowedDisplayConfigs failed to writeInterfaceToken: %d", result);
-            return result;
-        }
-        result = data.writeStrongBinder(displayToken);
-        if (result != NO_ERROR) {
-            ALOGE("setAllowedDisplayConfigs failed to writeStrongBinder: %d", result);
-            return result;
-        }
-        result = data.writeInt32Vector(allowedConfigs);
-        if (result != NO_ERROR) {
-            ALOGE("setAllowedDisplayConfigs failed to writeInt32Vector: %d", result);
-            return result;
-        }
-        result = remote()->transact(BnSurfaceComposer::SET_ALLOWED_DISPLAY_CONFIGS, data, &reply);
-        if (result != NO_ERROR) {
-            ALOGE("setAllowedDisplayConfigs failed to transact: %d", result);
-            return result;
-        }
-        return reply.readInt32();
-    }
-
-    virtual status_t getAllowedDisplayConfigs(const sp<IBinder>& displayToken,
-                                              std::vector<int32_t>* outAllowedConfigs) {
-        if (!outAllowedConfigs) return BAD_VALUE;
-        Parcel data, reply;
-        status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        if (result != NO_ERROR) {
-            ALOGE("getAllowedDisplayConfigs failed to writeInterfaceToken: %d", result);
-            return result;
-        }
-        result = data.writeStrongBinder(displayToken);
-        if (result != NO_ERROR) {
-            ALOGE("getAllowedDisplayConfigs failed to writeStrongBinder: %d", result);
-            return result;
-        }
-        result = remote()->transact(BnSurfaceComposer::GET_ALLOWED_DISPLAY_CONFIGS, data, &reply);
-        if (result != NO_ERROR) {
-            ALOGE("getAllowedDisplayConfigs failed to transact: %d", result);
-            return result;
-        }
-        result = reply.readInt32Vector(outAllowedConfigs);
-        if (result != NO_ERROR) {
-            ALOGE("getAllowedDisplayConfigs failed to readInt32Vector: %d", result);
-            return result;
-        }
-        return reply.readInt32();
-    }
-
     virtual status_t setDesiredDisplayConfigSpecs(const sp<IBinder>& displayToken,
-                                                  int32_t defaultModeId, float minRefreshRate,
+                                                  int32_t defaultConfig, float minRefreshRate,
                                                   float maxRefreshRate) {
         Parcel data, reply;
         status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
@@ -919,9 +948,9 @@
             ALOGE("setDesiredDisplayConfigSpecs: failed to write display token: %d", result);
             return result;
         }
-        result = data.writeInt32(defaultModeId);
+        result = data.writeInt32(defaultConfig);
         if (result != NO_ERROR) {
-            ALOGE("setDesiredDisplayConfigSpecs failed to write defaultModeId: %d", result);
+            ALOGE("setDesiredDisplayConfigSpecs failed to write defaultConfig: %d", result);
             return result;
         }
         result = data.writeFloat(minRefreshRate);
@@ -945,10 +974,10 @@
     }
 
     virtual status_t getDesiredDisplayConfigSpecs(const sp<IBinder>& displayToken,
-                                                  int32_t* outDefaultModeId,
+                                                  int32_t* outDefaultConfig,
                                                   float* outMinRefreshRate,
                                                   float* outMaxRefreshRate) {
-        if (!outDefaultModeId || !outMinRefreshRate || !outMaxRefreshRate) return BAD_VALUE;
+        if (!outDefaultConfig || !outMinRefreshRate || !outMaxRefreshRate) return BAD_VALUE;
         Parcel data, reply;
         status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
         if (result != NO_ERROR) {
@@ -966,9 +995,9 @@
             ALOGE("getDesiredDisplayConfigSpecs failed to transact: %d", result);
             return result;
         }
-        result = reply.readInt32(outDefaultModeId);
+        result = reply.readInt32(outDefaultConfig);
         if (result != NO_ERROR) {
-            ALOGE("getDesiredDisplayConfigSpecs failed to read defaultModeId: %d", result);
+            ALOGE("getDesiredDisplayConfigSpecs failed to read defaultConfig: %d", result);
             return result;
         }
         result = reply.readFloat(outMinRefreshRate);
@@ -1407,6 +1436,75 @@
             result = reply->writeInt32(result);
             return result;
         }
+
+        case GET_AUTO_LOW_LATENCY_MODE_SUPPORT: {
+            CHECK_INTERFACE(ISurfaceComposer, data, reply);
+            sp<IBinder> display = nullptr;
+            status_t result = data.readStrongBinder(&display);
+            if (result != NO_ERROR) {
+                ALOGE("getAutoLowLatencyModeSupport failed to readStrongBinder: %d", result);
+                return result;
+            }
+            bool supported = false;
+            result = getAutoLowLatencyModeSupport(display, &supported);
+            if (result == NO_ERROR) {
+                result = reply->writeBool(supported);
+            }
+            return result;
+        }
+
+        case SET_AUTO_LOW_LATENCY_MODE: {
+            CHECK_INTERFACE(ISurfaceComposer, data, reply);
+            sp<IBinder> display = nullptr;
+            status_t result = data.readStrongBinder(&display);
+            if (result != NO_ERROR) {
+                ALOGE("setAutoLowLatencyMode failed to readStrongBinder: %d", result);
+                return result;
+            }
+            bool setAllm = false;
+            result = data.readBool(&setAllm);
+            if (result != NO_ERROR) {
+                ALOGE("setAutoLowLatencyMode failed to readBool: %d", result);
+                return result;
+            }
+            setAutoLowLatencyMode(display, setAllm);
+            return result;
+        }
+
+        case GET_GAME_CONTENT_TYPE_SUPPORT: {
+            CHECK_INTERFACE(ISurfaceComposer, data, reply);
+            sp<IBinder> display = nullptr;
+            status_t result = data.readStrongBinder(&display);
+            if (result != NO_ERROR) {
+                ALOGE("getGameContentTypeSupport failed to readStrongBinder: %d", result);
+                return result;
+            }
+            bool supported = false;
+            result = getGameContentTypeSupport(display, &supported);
+            if (result == NO_ERROR) {
+                result = reply->writeBool(supported);
+            }
+            return result;
+        }
+
+        case SET_GAME_CONTENT_TYPE: {
+            CHECK_INTERFACE(ISurfaceComposer, data, reply);
+            sp<IBinder> display = nullptr;
+            status_t result = data.readStrongBinder(&display);
+            if (result != NO_ERROR) {
+                ALOGE("setGameContentType failed to readStrongBinder: %d", result);
+                return result;
+            }
+            bool setGameContentTypeOn = false;
+            result = data.readBool(&setGameContentTypeOn);
+            if (result != NO_ERROR) {
+                ALOGE("setGameContentType failed to readBool: %d", result);
+                return result;
+            }
+            setGameContentType(display, setGameContentTypeOn);
+            return result;
+        }
+
         case CLEAR_ANIMATION_FRAME_STATS: {
             CHECK_INTERFACE(ISurfaceComposer, data, reply);
             status_t result = clearAnimationFrameStats();
@@ -1644,31 +1742,13 @@
             }
             return removeRegionSamplingListener(listener);
         }
-        case SET_ALLOWED_DISPLAY_CONFIGS: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            sp<IBinder> displayToken = data.readStrongBinder();
-            std::vector<int32_t> allowedConfigs;
-            data.readInt32Vector(&allowedConfigs);
-            status_t result = setAllowedDisplayConfigs(displayToken, allowedConfigs);
-            reply->writeInt32(result);
-            return result;
-        }
-        case GET_ALLOWED_DISPLAY_CONFIGS: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            sp<IBinder> displayToken = data.readStrongBinder();
-            std::vector<int32_t> allowedConfigs;
-            status_t result = getAllowedDisplayConfigs(displayToken, &allowedConfigs);
-            reply->writeInt32Vector(allowedConfigs);
-            reply->writeInt32(result);
-            return result;
-        }
         case SET_DESIRED_DISPLAY_CONFIG_SPECS: {
             CHECK_INTERFACE(ISurfaceComposer, data, reply);
             sp<IBinder> displayToken = data.readStrongBinder();
-            int32_t defaultModeId;
-            status_t result = data.readInt32(&defaultModeId);
+            int32_t defaultConfig;
+            status_t result = data.readInt32(&defaultConfig);
             if (result != NO_ERROR) {
-                ALOGE("setDesiredDisplayConfigSpecs: failed to read defaultModeId: %d", result);
+                ALOGE("setDesiredDisplayConfigSpecs: failed to read defaultConfig: %d", result);
                 return result;
             }
             float minRefreshRate;
@@ -1683,7 +1763,7 @@
                 ALOGE("setDesiredDisplayConfigSpecs: failed to read maxRefreshRate: %d", result);
                 return result;
             }
-            result = setDesiredDisplayConfigSpecs(displayToken, defaultModeId, minRefreshRate,
+            result = setDesiredDisplayConfigSpecs(displayToken, defaultConfig, minRefreshRate,
                                                   maxRefreshRate);
             if (result != NO_ERROR) {
                 ALOGE("setDesiredDisplayConfigSpecs: failed to call setDesiredDisplayConfigSpecs: "
@@ -1697,11 +1777,11 @@
         case GET_DESIRED_DISPLAY_CONFIG_SPECS: {
             CHECK_INTERFACE(ISurfaceComposer, data, reply);
             sp<IBinder> displayToken = data.readStrongBinder();
-            int32_t defaultModeId;
+            int32_t defaultConfig;
             float minRefreshRate;
             float maxRefreshRate;
 
-            status_t result = getDesiredDisplayConfigSpecs(displayToken, &defaultModeId,
+            status_t result = getDesiredDisplayConfigSpecs(displayToken, &defaultConfig,
                                                            &minRefreshRate, &maxRefreshRate);
             if (result != NO_ERROR) {
                 ALOGE("getDesiredDisplayConfigSpecs: failed to get getDesiredDisplayConfigSpecs: "
@@ -1710,9 +1790,9 @@
                 return result;
             }
 
-            result = reply->writeInt32(defaultModeId);
+            result = reply->writeInt32(defaultConfig);
             if (result != NO_ERROR) {
-                ALOGE("getDesiredDisplayConfigSpecs: failed to write defaultModeId: %d", result);
+                ALOGE("getDesiredDisplayConfigSpecs: failed to write defaultConfig: %d", result);
                 return result;
             }
             result = reply->writeFloat(minRefreshRate);
diff --git a/libs/gui/LayerMetadata.cpp b/libs/gui/LayerMetadata.cpp
index 04d2871..b3eb994 100644
--- a/libs/gui/LayerMetadata.cpp
+++ b/libs/gui/LayerMetadata.cpp
@@ -18,6 +18,8 @@
 #include <binder/Parcel.h>
 #include <gui/LayerMetadata.h>
 
+#include "android/view/LayerMetadataKey.h"
+
 using android::base::StringPrintf;
 
 namespace android {
@@ -113,12 +115,12 @@
 
 std::string LayerMetadata::itemToString(uint32_t key, const char* separator) const {
     if (!has(key)) return std::string();
-    switch (key) {
-        case METADATA_OWNER_UID:
+    switch (static_cast<view::LayerMetadataKey>(key)) {
+        case view::LayerMetadataKey::METADATA_OWNER_UID:
             return StringPrintf("ownerUID%s%d", separator, getInt32(key, 0));
-        case METADATA_WINDOW_TYPE:
+        case view::LayerMetadataKey::METADATA_WINDOW_TYPE:
             return StringPrintf("windowType%s%d", separator, getInt32(key, 0));
-        case METADATA_TASK_ID:
+        case view::LayerMetadataKey::METADATA_TASK_ID:
             return StringPrintf("taskId%s%d", separator, getInt32(key, 0));
         default:
             return StringPrintf("%d%s%dbytes", key, separator,
diff --git a/libs/gui/OWNERS b/libs/gui/OWNERS
index 73150dc..274153c 100644
--- a/libs/gui/OWNERS
+++ b/libs/gui/OWNERS
@@ -4,4 +4,5 @@
 marissaw@google.com
 mathias@google.com
 racarr@google.com
+steventhomas@google.com
 stoza@google.com
diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index 9d7d7d0..1d887ea 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -1605,34 +1605,22 @@
     return ComposerService::getComposerService()->setActiveConfig(display, id);
 }
 
-status_t SurfaceComposerClient::setAllowedDisplayConfigs(
-        const sp<IBinder>& displayToken, const std::vector<int32_t>& allowedConfigs) {
-    return ComposerService::getComposerService()->setAllowedDisplayConfigs(displayToken,
-                                                                           allowedConfigs);
-}
-
-status_t SurfaceComposerClient::getAllowedDisplayConfigs(const sp<IBinder>& displayToken,
-                                                         std::vector<int32_t>* outAllowedConfigs) {
-    return ComposerService::getComposerService()->getAllowedDisplayConfigs(displayToken,
-                                                                           outAllowedConfigs);
-}
-
 status_t SurfaceComposerClient::setDesiredDisplayConfigSpecs(const sp<IBinder>& displayToken,
-                                                             int32_t defaultModeId,
+                                                             int32_t defaultConfig,
                                                              float minRefreshRate,
                                                              float maxRefreshRate) {
     return ComposerService::getComposerService()->setDesiredDisplayConfigSpecs(displayToken,
-                                                                               defaultModeId,
+                                                                               defaultConfig,
                                                                                minRefreshRate,
                                                                                maxRefreshRate);
 }
 
 status_t SurfaceComposerClient::getDesiredDisplayConfigSpecs(const sp<IBinder>& displayToken,
-                                                             int32_t* outDefaultModeId,
+                                                             int32_t* outDefaultConfig,
                                                              float* outMinRefreshRate,
                                                              float* outMaxRefreshRate) {
     return ComposerService::getComposerService()->getDesiredDisplayConfigSpecs(displayToken,
-                                                                               outDefaultModeId,
+                                                                               outDefaultConfig,
                                                                                outMinRefreshRate,
                                                                                outMaxRefreshRate);
 }
@@ -1656,6 +1644,26 @@
     return ComposerService::getComposerService()->setActiveColorMode(display, colorMode);
 }
 
+bool SurfaceComposerClient::getAutoLowLatencyModeSupport(const sp<IBinder>& display) {
+    bool supported = false;
+    ComposerService::getComposerService()->getAutoLowLatencyModeSupport(display, &supported);
+    return supported;
+}
+
+void SurfaceComposerClient::setAutoLowLatencyMode(const sp<IBinder>& display, bool on) {
+    ComposerService::getComposerService()->setAutoLowLatencyMode(display, on);
+}
+
+bool SurfaceComposerClient::getGameContentTypeSupport(const sp<IBinder>& display) {
+    bool supported = false;
+    ComposerService::getComposerService()->getGameContentTypeSupport(display, &supported);
+    return supported;
+}
+
+void SurfaceComposerClient::setGameContentType(const sp<IBinder>& display, bool on) {
+    ComposerService::getComposerService()->setGameContentType(display, on);
+}
+
 void SurfaceComposerClient::setDisplayPowerMode(const sp<IBinder>& token,
         int mode) {
     ComposerService::getComposerService()->setPowerMode(token, mode);
diff --git a/libs/gui/include/gui/BufferQueueCore.h b/libs/gui/include/gui/BufferQueueCore.h
index 3c96089..557c28b 100644
--- a/libs/gui/include/gui/BufferQueueCore.h
+++ b/libs/gui/include/gui/BufferQueueCore.h
@@ -34,12 +34,6 @@
 #include <mutex>
 #include <condition_variable>
 
-#define BQ_LOGV(x, ...) ALOGV("[%s] " x, mConsumerName.string(), ##__VA_ARGS__)
-#define BQ_LOGD(x, ...) ALOGD("[%s] " x, mConsumerName.string(), ##__VA_ARGS__)
-#define BQ_LOGI(x, ...) ALOGI("[%s] " x, mConsumerName.string(), ##__VA_ARGS__)
-#define BQ_LOGW(x, ...) ALOGW("[%s] " x, mConsumerName.string(), ##__VA_ARGS__)
-#define BQ_LOGE(x, ...) ALOGE("[%s] " x, mConsumerName.string(), ##__VA_ARGS__)
-
 #define ATRACE_BUFFER_INDEX(index)                                                         \
     do {                                                                                   \
         if (ATRACE_ENABLED()) {                                                            \
diff --git a/libs/gui/include/gui/ISurfaceComposer.h b/libs/gui/include/gui/ISurfaceComposer.h
index 345425d..998973c 100644
--- a/libs/gui/include/gui/ISurfaceComposer.h
+++ b/libs/gui/include/gui/ISurfaceComposer.h
@@ -195,6 +195,37 @@
             ui::ColorMode colorMode) = 0;
 
     /**
+     * Returns true if the connected display reports support for HDMI 2.1 Auto
+     * Low Latency Mode.
+     * For more information, see the HDMI 2.1 specification.
+     */
+    virtual status_t getAutoLowLatencyModeSupport(const sp<IBinder>& display,
+                                                  bool* outSupport) const = 0;
+
+    /**
+     * Switches Auto Low Latency Mode on/off on the connected display, if it is
+     * available. This should only be called if #getAutoLowLatencyMode returns
+     * true.
+     * For more information, see the HDMI 2.1 specification.
+     */
+    virtual void setAutoLowLatencyMode(const sp<IBinder>& display, bool on) = 0;
+
+    /**
+     * Returns true if the connected display reports support for Game Content Type.
+     * For more information, see the HDMI 1.4 specification.
+     */
+    virtual status_t getGameContentTypeSupport(const sp<IBinder>& display,
+                                               bool* outSupport) const = 0;
+
+    /**
+     * This will start sending infoframes to the connected display with
+     * ContentType=Game (if on=true). This will switch the disply to Game mode.
+     * This should only be called if #getGameContentTypeSupport returns true.
+     * For more information, see the HDMI 1.4 specification.
+     */
+    virtual void setGameContentType(const sp<IBinder>& display, bool on) = 0;
+
+    /**
      * Capture the specified screen. This requires READ_FRAME_BUFFER
      * permission.  This function will fail if there is a secure window on
      * screen.
@@ -386,31 +417,16 @@
     virtual status_t removeRegionSamplingListener(const sp<IRegionSamplingListener>& listener) = 0;
 
     /*
-     * Sets the allowed display configurations to be used.
-     * The allowedConfigs in a vector of indexes corresponding to the configurations
-     * returned from getDisplayConfigs().
-     */
-    virtual status_t setAllowedDisplayConfigs(const sp<IBinder>& displayToken,
-                                              const std::vector<int32_t>& allowedConfigs) = 0;
-
-    /*
-     * Returns the allowed display configurations currently set.
-     * The allowedConfigs in a vector of indexes corresponding to the configurations
-     * returned from getDisplayConfigs().
-     */
-    virtual status_t getAllowedDisplayConfigs(const sp<IBinder>& displayToken,
-                                              std::vector<int32_t>* outAllowedConfigs) = 0;
-    /*
      * Sets the refresh rate boundaries for display configuration.
      * For all other parameters, default configuration is used. The index for the default is
      * corresponding to the configs returned from getDisplayConfigs().
      */
     virtual status_t setDesiredDisplayConfigSpecs(const sp<IBinder>& displayToken,
-                                                  int32_t defaultModeId, float minRefreshRate,
+                                                  int32_t defaultConfig, float minRefreshRate,
                                                   float maxRefreshRate) = 0;
 
     virtual status_t getDesiredDisplayConfigSpecs(const sp<IBinder>& displayToken,
-                                                  int32_t* outDefaultModeId,
+                                                  int32_t* outDefaultConfig,
                                                   float* outMinRefreshRate,
                                                   float* outMaxRefreshRate) = 0;
     /*
@@ -523,8 +539,6 @@
         GET_PHYSICAL_DISPLAY_IDS,
         ADD_REGION_SAMPLING_LISTENER,
         REMOVE_REGION_SAMPLING_LISTENER,
-        SET_ALLOWED_DISPLAY_CONFIGS,
-        GET_ALLOWED_DISPLAY_CONFIGS,
         SET_DESIRED_DISPLAY_CONFIG_SPECS,
         GET_DESIRED_DISPLAY_CONFIG_SPECS,
         GET_DISPLAY_BRIGHTNESS_SUPPORT,
@@ -532,6 +546,10 @@
         CAPTURE_SCREEN_BY_ID,
         NOTIFY_POWER_HINT,
         SET_GLOBAL_SHADOW_SETTINGS,
+        GET_AUTO_LOW_LATENCY_MODE_SUPPORT,
+        SET_AUTO_LOW_LATENCY_MODE,
+        GET_GAME_CONTENT_TYPE_SUPPORT,
+        SET_GAME_CONTENT_TYPE,
         // Always append new enum to the end.
     };
 
diff --git a/libs/gui/include/gui/SurfaceComposerClient.h b/libs/gui/include/gui/SurfaceComposerClient.h
index 2c0b143..86468a4 100644
--- a/libs/gui/include/gui/SurfaceComposerClient.h
+++ b/libs/gui/include/gui/SurfaceComposerClient.h
@@ -117,23 +117,11 @@
     // returned by getDisplayInfo
     static status_t setActiveConfig(const sp<IBinder>& display, int id);
 
-    // Sets the allowed display configurations to be used.
-    // The allowedConfigs in a vector of indexes corresponding to the configurations
-    // returned from getDisplayConfigs().
-    static status_t setAllowedDisplayConfigs(const sp<IBinder>& displayToken,
-                                             const std::vector<int32_t>& allowedConfigs);
-
-    // Returns the allowed display configurations currently set.
-    // The allowedConfigs in a vector of indexes corresponding to the configurations
-    // returned from getDisplayConfigs().
-    static status_t getAllowedDisplayConfigs(const sp<IBinder>& displayToken,
-                                             std::vector<int32_t>* outAllowedConfigs);
-
     // Sets the refresh rate boundaries for display configuration.
     // For all other parameters, default configuration is used. The index for the default is
     // corresponting to the configs returned from getDisplayConfigs().
     static status_t setDesiredDisplayConfigSpecs(const sp<IBinder>& displayToken,
-                                                 int32_t defaultModeId, float minRefreshRate,
+                                                 int32_t defaultConfig, float minRefreshRate,
                                                  float maxRefreshRate);
     // Gets the refresh rate boundaries for display configuration.
     // For all other parameters, default configuration is used. The index for the default is
@@ -141,7 +129,7 @@
     // The reason is passed in for telemetry tracking, and it corresponds to the list of all
     // the policy rules that were used.
     static status_t getDesiredDisplayConfigSpecs(const sp<IBinder>& displayToken,
-                                                 int32_t* outDefaultModeId,
+                                                 int32_t* outDefaultConfig,
                                                  float* outMinRefreshRate,
                                                  float* outMaxRefreshRate);
 
@@ -160,6 +148,21 @@
     static status_t setActiveColorMode(const sp<IBinder>& display,
             ui::ColorMode colorMode);
 
+    // Reports whether the connected display supports Auto Low Latency Mode
+    static bool getAutoLowLatencyModeSupport(const sp<IBinder>& display);
+
+    // Switches on/off Auto Low Latency Mode on the connected display. This should only be
+    // called if the connected display supports Auto Low Latency Mode as reported by
+    // #getAutoLowLatencyModeSupport
+    static void setAutoLowLatencyMode(const sp<IBinder>& display, bool on);
+
+    // Reports whether the connected display supports Game content type
+    static bool getGameContentTypeSupport(const sp<IBinder>& display);
+
+    // Turns Game mode on/off on the connected display. This should only be called
+    // if the display supports Game content type, as reported by #getGameContentTypeSupport
+    static void setGameContentType(const sp<IBinder>& display, bool on);
+
     /* Triggers screen on/off or low power mode and waits for it to complete */
     static void setDisplayPowerMode(const sp<IBinder>& display, int mode);
 
diff --git a/libs/gui/tests/Surface_test.cpp b/libs/gui/tests/Surface_test.cpp
index 3d90369..0445755 100644
--- a/libs/gui/tests/Surface_test.cpp
+++ b/libs/gui/tests/Surface_test.cpp
@@ -750,6 +750,16 @@
                            bool /*captureSecureLayers*/) override {
         return NO_ERROR;
     }
+    status_t getAutoLowLatencyModeSupport(const sp<IBinder>& /*display*/,
+                                          bool* /*outSupport*/) const override {
+        return NO_ERROR;
+    }
+    void setAutoLowLatencyMode(const sp<IBinder>& /*display*/, bool /*on*/) override {}
+    status_t getGameContentTypeSupport(const sp<IBinder>& /*display*/,
+                                       bool* /*outSupport*/) const override {
+        return NO_ERROR;
+    }
+    void setGameContentType(const sp<IBinder>& /*display*/, bool /*on*/) override {}
     status_t captureScreen(uint64_t /*displayOrLayerStack*/, ui::Dataspace* /*outDataspace*/,
                            sp<GraphicBuffer>* /*outBuffer*/) override {
         return NO_ERROR;
@@ -823,21 +833,13 @@
             const sp<IRegionSamplingListener>& /*listener*/) override {
         return NO_ERROR;
     }
-    status_t setAllowedDisplayConfigs(const sp<IBinder>& /*displayToken*/,
-                                      const std::vector<int32_t>& /*allowedConfigs*/) override {
-        return NO_ERROR;
-    }
-    status_t getAllowedDisplayConfigs(const sp<IBinder>& /*displayToken*/,
-                                      std::vector<int32_t>* /*outAllowedConfigs*/) override {
-        return NO_ERROR;
-    }
     status_t setDesiredDisplayConfigSpecs(const sp<IBinder>& /*displayToken*/,
-                                          int32_t /*defaultModeId*/, float /*minRefreshRate*/,
-                                          float /*maxRefreshRate*/) override {
+                                          int32_t /*defaultConfig*/, float /*minRefreshRate*/,
+                                          float /*maxRefreshRate*/) {
         return NO_ERROR;
     }
     status_t getDesiredDisplayConfigSpecs(const sp<IBinder>& /*displayToken*/,
-                                          int32_t* /*outDefaultModeId*/,
+                                          int32_t* /*outDefaultConfig*/,
                                           float* /*outMinRefreshRate*/,
                                           float* /*outMaxRefreshRate*/) override {
         return NO_ERROR;
diff --git a/services/inputflinger/tests/InputDispatcher_test.cpp b/services/inputflinger/tests/InputDispatcher_test.cpp
index b7f7ac5..b4d7608 100644
--- a/services/inputflinger/tests/InputDispatcher_test.cpp
+++ b/services/inputflinger/tests/InputDispatcher_test.cpp
@@ -21,6 +21,7 @@
 
 #include <gtest/gtest.h>
 #include <linux/input.h>
+#include <vector>
 
 namespace android::inputdispatcher {
 
@@ -37,6 +38,10 @@
 static const int32_t INJECTOR_PID = 999;
 static const int32_t INJECTOR_UID = 1001;
 
+struct PointF {
+    float x;
+    float y;
+};
 
 // --- FakeInputDispatcherPolicy ---
 
@@ -411,6 +416,11 @@
 
 class FakeInputReceiver {
 public:
+    explicit FakeInputReceiver(const sp<InputChannel>& clientChannel, const std::string name)
+          : mName(name) {
+        mConsumer = std::make_unique<InputConsumer>(clientChannel);
+    }
+
     InputEvent* consume() {
         uint32_t consumeSeq;
         InputEvent* event;
@@ -440,7 +450,7 @@
             return nullptr;
         }
 
-        status = mConsumer->sendFinishedSignal(consumeSeq, handled());
+        status = mConsumer->sendFinishedSignal(consumeSeq, true);
         if (status != OK) {
             ADD_FAILURE() << mName.c_str() << ": consumer sendFinishedSignal should return OK.";
         }
@@ -478,6 +488,82 @@
         }
     }
 
+    void assertNoEvents() {
+        InputEvent* event = consume();
+        ASSERT_EQ(nullptr, event)
+                << mName.c_str()
+                << ": should not have received any events, so consume() should return NULL";
+    }
+
+    sp<IBinder> getToken() { return mConsumer->getChannel()->getConnectionToken(); }
+
+protected:
+    std::unique_ptr<InputConsumer> mConsumer;
+    PreallocatedInputEventFactory mEventFactory;
+
+    std::string mName;
+};
+
+class FakeWindowHandle : public InputWindowHandle {
+public:
+    static const int32_t WIDTH = 600;
+    static const int32_t HEIGHT = 800;
+    const std::string mName;
+
+    FakeWindowHandle(const sp<InputApplicationHandle>& inputApplicationHandle,
+                     const sp<InputDispatcher>& dispatcher, const std::string name,
+                     int32_t displayId, sp<IBinder> token = nullptr)
+          : mName(name) {
+        if (token == nullptr) {
+            sp<InputChannel> serverChannel, clientChannel;
+            InputChannel::openInputChannelPair(name, serverChannel, clientChannel);
+            mInputReceiver = std::make_unique<FakeInputReceiver>(clientChannel, name);
+            dispatcher->registerInputChannel(serverChannel);
+            token = serverChannel->getConnectionToken();
+        }
+
+        inputApplicationHandle->updateInfo();
+        mInfo.applicationInfo = *inputApplicationHandle->getInfo();
+
+        mInfo.token = token;
+        mInfo.name = name;
+        mInfo.layoutParamsFlags = 0;
+        mInfo.layoutParamsType = InputWindowInfo::TYPE_APPLICATION;
+        mInfo.dispatchingTimeout = DISPATCHING_TIMEOUT;
+        mInfo.frameLeft = 0;
+        mInfo.frameTop = 0;
+        mInfo.frameRight = WIDTH;
+        mInfo.frameBottom = HEIGHT;
+        mInfo.globalScaleFactor = 1.0;
+        mInfo.touchableRegion.clear();
+        mInfo.addTouchableRegion(Rect(0, 0, WIDTH, HEIGHT));
+        mInfo.visible = true;
+        mInfo.canReceiveKeys = true;
+        mInfo.hasFocus = false;
+        mInfo.hasWallpaper = false;
+        mInfo.paused = false;
+        mInfo.layer = 0;
+        mInfo.ownerPid = INJECTOR_PID;
+        mInfo.ownerUid = INJECTOR_UID;
+        mInfo.inputFeatures = 0;
+        mInfo.displayId = displayId;
+    }
+
+    virtual bool updateInfo() { return true; }
+
+    void setFocus() { mInfo.hasFocus = true; }
+
+    void setFrame(const Rect& frame) {
+        mInfo.frameLeft = frame.left;
+        mInfo.frameTop = frame.top;
+        mInfo.frameRight = frame.right;
+        mInfo.frameBottom = frame.bottom;
+        mInfo.touchableRegion.clear();
+        mInfo.addTouchableRegion(frame);
+    }
+
+    void setLayoutParamFlags(int32_t flags) { mInfo.layoutParamsFlags = flags; }
+
     void consumeKeyDown(int32_t expectedDisplayId, int32_t expectedFlags = 0) {
         consumeEvent(AINPUT_EVENT_TYPE_KEY, AKEY_EVENT_ACTION_DOWN, expectedDisplayId,
                      expectedFlags);
@@ -493,102 +579,21 @@
                      expectedFlags);
     }
 
+    void consumeEvent(int32_t expectedEventType, int32_t expectedAction, int32_t expectedDisplayId,
+                      int32_t expectedFlags) {
+        ASSERT_NE(mInputReceiver, nullptr) << "Invalid consume event on window with no receiver";
+        mInputReceiver->consumeEvent(expectedEventType, expectedAction, expectedDisplayId,
+                                     expectedFlags);
+    }
+
     void assertNoEvents() {
-        InputEvent* event = consume();
-        ASSERT_EQ(nullptr, event)
-                << mName.c_str()
-                << ": should not have received any events, so consume() should return NULL";
+        ASSERT_NE(mInputReceiver, nullptr)
+                << "Call 'assertNoEvents' on a window with an InputReceiver";
+        mInputReceiver->assertNoEvents();
     }
 
-protected:
-        explicit FakeInputReceiver(const sp<InputDispatcher>& dispatcher,
-            const std::string name, int32_t displayId) :
-                mDispatcher(dispatcher), mName(name), mDisplayId(displayId) {
-            InputChannel::openInputChannelPair(name, mServerChannel, mClientChannel);
-            mConsumer = std::make_unique<InputConsumer>(mClientChannel);
-        }
-
-        virtual ~FakeInputReceiver() {
-        }
-
-        // return true if the event has been handled.
-        virtual bool handled() {
-            return false;
-        }
-
-        sp<InputDispatcher> mDispatcher;
-        sp<InputChannel> mServerChannel, mClientChannel;
-        std::unique_ptr<InputConsumer> mConsumer;
-        PreallocatedInputEventFactory mEventFactory;
-
-        std::string mName;
-        int32_t mDisplayId;
-};
-
-class FakeWindowHandle : public InputWindowHandle, public FakeInputReceiver {
-public:
-    static const int32_t WIDTH = 600;
-    static const int32_t HEIGHT = 800;
-
-    FakeWindowHandle(const sp<InputApplicationHandle>& inputApplicationHandle,
-        const sp<InputDispatcher>& dispatcher, const std::string name, int32_t displayId) :
-            FakeInputReceiver(dispatcher, name, displayId),
-            mFocused(false), mFrame(Rect(0, 0, WIDTH, HEIGHT)), mLayoutParamFlags(0) {
-            mDispatcher->registerInputChannel(mServerChannel);
-
-            inputApplicationHandle->updateInfo();
-            mInfo.applicationInfo = *inputApplicationHandle->getInfo();
-    }
-
-    virtual bool updateInfo() {
-        mInfo.token = mServerChannel ? mServerChannel->getConnectionToken() : nullptr;
-        mInfo.name = mName;
-        mInfo.layoutParamsFlags = mLayoutParamFlags;
-        mInfo.layoutParamsType = InputWindowInfo::TYPE_APPLICATION;
-        mInfo.dispatchingTimeout = DISPATCHING_TIMEOUT;
-        mInfo.frameLeft = mFrame.left;
-        mInfo.frameTop = mFrame.top;
-        mInfo.frameRight = mFrame.right;
-        mInfo.frameBottom = mFrame.bottom;
-        mInfo.globalScaleFactor = 1.0;
-        mInfo.touchableRegion.clear();
-        mInfo.addTouchableRegion(mFrame);
-        mInfo.visible = true;
-        mInfo.canReceiveKeys = true;
-        mInfo.hasFocus = mFocused;
-        mInfo.hasWallpaper = false;
-        mInfo.paused = false;
-        mInfo.layer = 0;
-        mInfo.ownerPid = INJECTOR_PID;
-        mInfo.ownerUid = INJECTOR_UID;
-        mInfo.inputFeatures = 0;
-        mInfo.displayId = mDisplayId;
-
-        return true;
-    }
-
-    void setFocus() {
-        mFocused = true;
-    }
-
-    void setFrame(const Rect& frame) {
-        mFrame.set(frame);
-    }
-
-    void setLayoutParamFlags(int32_t flags) {
-        mLayoutParamFlags = flags;
-    }
-
-    void releaseChannel() {
-        mServerChannel.clear();
-        InputWindowHandle::releaseChannel();
-    }
-protected:
-    virtual bool handled() override { return true; }
-
-    bool mFocused;
-    Rect mFrame;
-    int32_t mLayoutParamFlags;
+private:
+    std::unique_ptr<FakeInputReceiver> mInputReceiver;
 };
 
 static int32_t injectKeyDown(const sp<InputDispatcher>& dispatcher,
@@ -659,31 +664,39 @@
     return args;
 }
 
-static NotifyMotionArgs generateMotionArgs(int32_t action, int32_t source, int32_t displayId) {
-    PointerProperties pointerProperties[1];
-    PointerCoords pointerCoords[1];
+static NotifyMotionArgs generateMotionArgs(int32_t action, int32_t source, int32_t displayId,
+                                           const std::vector<PointF>& points) {
+    size_t pointerCount = points.size();
+    PointerProperties pointerProperties[pointerCount];
+    PointerCoords pointerCoords[pointerCount];
 
-    pointerProperties[0].clear();
-    pointerProperties[0].id = 0;
-    pointerProperties[0].toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;
+    for (size_t i = 0; i < pointerCount; i++) {
+        pointerProperties[i].clear();
+        pointerProperties[i].id = i;
+        pointerProperties[i].toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;
 
-    pointerCoords[0].clear();
-    pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_X, 100);
-    pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_Y, 200);
+        pointerCoords[i].clear();
+        pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_X, points[i].x);
+        pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_Y, points[i].y);
+    }
 
     nsecs_t currentTime = systemTime(SYSTEM_TIME_MONOTONIC);
     // Define a valid motion event.
     NotifyMotionArgs args(/* sequenceNum */ 0, currentTime, DEVICE_ID, source, displayId,
                           POLICY_FLAG_PASS_TO_USER, action, /* actionButton */ 0, /* flags */ 0,
                           AMETA_NONE, /* buttonState */ 0, MotionClassification::NONE,
-                          AMOTION_EVENT_EDGE_FLAG_NONE, 1, pointerProperties, pointerCoords,
-                          /* xPrecision */ 0, /* yPrecision */ 0,
+                          AMOTION_EVENT_EDGE_FLAG_NONE, pointerCount, pointerProperties,
+                          pointerCoords, /* xPrecision */ 0, /* yPrecision */ 0,
                           AMOTION_EVENT_INVALID_CURSOR_POSITION,
                           AMOTION_EVENT_INVALID_CURSOR_POSITION, currentTime, /* videoFrames */ {});
 
     return args;
 }
 
+static NotifyMotionArgs generateMotionArgs(int32_t action, int32_t source, int32_t displayId) {
+    return generateMotionArgs(action, source, displayId, {PointF{100, 200}});
+}
+
 TEST_F(InputDispatcherTest, SetInputWindow_SingleWindowTouch) {
     sp<FakeApplicationHandle> application = new FakeApplicationHandle();
     sp<FakeWindowHandle> window = new FakeWindowHandle(application, mDispatcher, "Fake Window",
@@ -857,15 +870,37 @@
                          0 /*expectedFlags*/);
 }
 
-class FakeMonitorReceiver : public FakeInputReceiver, public RefBase {
+class FakeMonitorReceiver {
 public:
     FakeMonitorReceiver(const sp<InputDispatcher>& dispatcher, const std::string name,
-                        int32_t displayId, bool isGestureMonitor = false)
-          : FakeInputReceiver(dispatcher, name, displayId) {
-        mDispatcher->registerInputMonitor(mServerChannel, displayId, isGestureMonitor);
+                        int32_t displayId, bool isGestureMonitor = false) {
+        sp<InputChannel> serverChannel, clientChannel;
+        InputChannel::openInputChannelPair(name, serverChannel, clientChannel);
+        mInputReceiver = std::make_unique<FakeInputReceiver>(clientChannel, name);
+        dispatcher->registerInputMonitor(serverChannel, displayId, isGestureMonitor);
     }
 
-    sp<IBinder> getToken() { return mServerChannel->getConnectionToken(); }
+    sp<IBinder> getToken() { return mInputReceiver->getToken(); }
+
+    void consumeKeyDown(int32_t expectedDisplayId, int32_t expectedFlags = 0) {
+        mInputReceiver->consumeEvent(AINPUT_EVENT_TYPE_KEY, AKEY_EVENT_ACTION_DOWN,
+                                     expectedDisplayId, expectedFlags);
+    }
+
+    void consumeMotionDown(int32_t expectedDisplayId, int32_t expectedFlags = 0) {
+        mInputReceiver->consumeEvent(AINPUT_EVENT_TYPE_MOTION, AMOTION_EVENT_ACTION_DOWN,
+                                     expectedDisplayId, expectedFlags);
+    }
+
+    void consumeMotionUp(int32_t expectedDisplayId, int32_t expectedFlags = 0) {
+        mInputReceiver->consumeEvent(AINPUT_EVENT_TYPE_MOTION, AMOTION_EVENT_ACTION_UP,
+                                     expectedDisplayId, expectedFlags);
+    }
+
+    void assertNoEvents() { mInputReceiver->assertNoEvents(); }
+
+private:
+    std::unique_ptr<FakeInputReceiver> mInputReceiver;
 };
 
 // Tests for gesture monitors
@@ -875,15 +910,14 @@
             new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
     mDispatcher->setInputWindows({window}, ADISPLAY_ID_DEFAULT);
 
-    sp<FakeMonitorReceiver> monitor =
-            new FakeMonitorReceiver(mDispatcher, "GM_1", ADISPLAY_ID_DEFAULT,
-                                    true /*isGestureMonitor*/);
+    FakeMonitorReceiver monitor = FakeMonitorReceiver(mDispatcher, "GM_1", ADISPLAY_ID_DEFAULT,
+                                                      true /*isGestureMonitor*/);
 
     ASSERT_EQ(INPUT_EVENT_INJECTION_SUCCEEDED,
               injectMotionDown(mDispatcher, AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT))
             << "Inject motion event should return INPUT_EVENT_INJECTION_SUCCEEDED";
     window->consumeMotionDown(ADISPLAY_ID_DEFAULT);
-    monitor->consumeMotionDown(ADISPLAY_ID_DEFAULT);
+    monitor.consumeMotionDown(ADISPLAY_ID_DEFAULT);
 }
 
 TEST_F(InputDispatcherTest, GestureMonitor_DoesNotReceiveKeyEvents) {
@@ -896,14 +930,13 @@
 
     mDispatcher->setInputWindows({window}, ADISPLAY_ID_DEFAULT);
 
-    sp<FakeMonitorReceiver> monitor =
-            new FakeMonitorReceiver(mDispatcher, "GM_1", ADISPLAY_ID_DEFAULT,
-                                    true /*isGestureMonitor*/);
+    FakeMonitorReceiver monitor = FakeMonitorReceiver(mDispatcher, "GM_1", ADISPLAY_ID_DEFAULT,
+                                                      true /*isGestureMonitor*/);
 
     ASSERT_EQ(INPUT_EVENT_INJECTION_SUCCEEDED, injectKeyDown(mDispatcher, ADISPLAY_ID_DEFAULT))
             << "Inject key event should return INPUT_EVENT_INJECTION_SUCCEEDED";
     window->consumeKeyDown(ADISPLAY_ID_DEFAULT);
-    monitor->assertNoEvents();
+    monitor.assertNoEvents();
 }
 
 TEST_F(InputDispatcherTest, GestureMonitor_CanPilferAfterWindowIsRemovedMidStream) {
@@ -912,24 +945,23 @@
             new FakeWindowHandle(application, mDispatcher, "Fake Window", ADISPLAY_ID_DEFAULT);
     mDispatcher->setInputWindows({window}, ADISPLAY_ID_DEFAULT);
 
-    sp<FakeMonitorReceiver> monitor =
-            new FakeMonitorReceiver(mDispatcher, "GM_1", ADISPLAY_ID_DEFAULT,
-                                    true /*isGestureMonitor*/);
+    FakeMonitorReceiver monitor = FakeMonitorReceiver(mDispatcher, "GM_1", ADISPLAY_ID_DEFAULT,
+                                                      true /*isGestureMonitor*/);
 
     ASSERT_EQ(INPUT_EVENT_INJECTION_SUCCEEDED,
               injectMotionDown(mDispatcher, AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT))
             << "Inject motion event should return INPUT_EVENT_INJECTION_SUCCEEDED";
     window->consumeMotionDown(ADISPLAY_ID_DEFAULT);
-    monitor->consumeMotionDown(ADISPLAY_ID_DEFAULT);
+    monitor.consumeMotionDown(ADISPLAY_ID_DEFAULT);
 
     window->releaseChannel();
 
-    mDispatcher->pilferPointers(monitor->getToken());
+    mDispatcher->pilferPointers(monitor.getToken());
 
     ASSERT_EQ(INPUT_EVENT_INJECTION_SUCCEEDED,
               injectMotionUp(mDispatcher, AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT))
             << "Inject motion event should return INPUT_EVENT_INJECTION_SUCCEEDED";
-    monitor->consumeMotionUp(ADISPLAY_ID_DEFAULT);
+    monitor.consumeMotionUp(ADISPLAY_ID_DEFAULT);
 }
 
 TEST_F(InputDispatcherTest, TestMoveEvent) {
@@ -1047,28 +1079,28 @@
 
 // Test per-display input monitors for motion event.
 TEST_F(InputDispatcherFocusOnTwoDisplaysTest, MonitorMotionEvent_MultiDisplay) {
-    sp<FakeMonitorReceiver> monitorInPrimary =
-            new FakeMonitorReceiver(mDispatcher, "M_1", ADISPLAY_ID_DEFAULT);
-    sp<FakeMonitorReceiver> monitorInSecondary =
-            new FakeMonitorReceiver(mDispatcher, "M_2", SECOND_DISPLAY_ID);
+    FakeMonitorReceiver monitorInPrimary =
+            FakeMonitorReceiver(mDispatcher, "M_1", ADISPLAY_ID_DEFAULT);
+    FakeMonitorReceiver monitorInSecondary =
+            FakeMonitorReceiver(mDispatcher, "M_2", SECOND_DISPLAY_ID);
 
     // Test touch down on primary display.
     ASSERT_EQ(INPUT_EVENT_INJECTION_SUCCEEDED, injectMotionDown(mDispatcher,
             AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT))
             << "Inject motion event should return INPUT_EVENT_INJECTION_SUCCEEDED";
     windowInPrimary->consumeMotionDown(ADISPLAY_ID_DEFAULT);
-    monitorInPrimary->consumeMotionDown(ADISPLAY_ID_DEFAULT);
+    monitorInPrimary.consumeMotionDown(ADISPLAY_ID_DEFAULT);
     windowInSecondary->assertNoEvents();
-    monitorInSecondary->assertNoEvents();
+    monitorInSecondary.assertNoEvents();
 
     // Test touch down on second display.
     ASSERT_EQ(INPUT_EVENT_INJECTION_SUCCEEDED, injectMotionDown(mDispatcher,
             AINPUT_SOURCE_TOUCHSCREEN, SECOND_DISPLAY_ID))
             << "Inject motion event should return INPUT_EVENT_INJECTION_SUCCEEDED";
     windowInPrimary->assertNoEvents();
-    monitorInPrimary->assertNoEvents();
+    monitorInPrimary.assertNoEvents();
     windowInSecondary->consumeMotionDown(SECOND_DISPLAY_ID);
-    monitorInSecondary->consumeMotionDown(SECOND_DISPLAY_ID);
+    monitorInSecondary.consumeMotionDown(SECOND_DISPLAY_ID);
 
     // Test inject a non-pointer motion event.
     // If specific a display, it will dispatch to the focused window of particular display,
@@ -1077,26 +1109,26 @@
         AINPUT_SOURCE_TRACKBALL, ADISPLAY_ID_NONE))
             << "Inject motion event should return INPUT_EVENT_INJECTION_SUCCEEDED";
     windowInPrimary->assertNoEvents();
-    monitorInPrimary->assertNoEvents();
+    monitorInPrimary.assertNoEvents();
     windowInSecondary->consumeMotionDown(ADISPLAY_ID_NONE);
-    monitorInSecondary->consumeMotionDown(ADISPLAY_ID_NONE);
+    monitorInSecondary.consumeMotionDown(ADISPLAY_ID_NONE);
 }
 
 // Test per-display input monitors for key event.
 TEST_F(InputDispatcherFocusOnTwoDisplaysTest, MonitorKeyEvent_MultiDisplay) {
     //Input monitor per display.
-    sp<FakeMonitorReceiver> monitorInPrimary =
-            new FakeMonitorReceiver(mDispatcher, "M_1", ADISPLAY_ID_DEFAULT);
-    sp<FakeMonitorReceiver> monitorInSecondary =
-            new FakeMonitorReceiver(mDispatcher, "M_2", SECOND_DISPLAY_ID);
+    FakeMonitorReceiver monitorInPrimary =
+            FakeMonitorReceiver(mDispatcher, "M_1", ADISPLAY_ID_DEFAULT);
+    FakeMonitorReceiver monitorInSecondary =
+            FakeMonitorReceiver(mDispatcher, "M_2", SECOND_DISPLAY_ID);
 
     // Test inject a key down.
     ASSERT_EQ(INPUT_EVENT_INJECTION_SUCCEEDED, injectKeyDown(mDispatcher))
             << "Inject key event should return INPUT_EVENT_INJECTION_SUCCEEDED";
     windowInPrimary->assertNoEvents();
-    monitorInPrimary->assertNoEvents();
+    monitorInPrimary.assertNoEvents();
     windowInSecondary->consumeKeyDown(ADISPLAY_ID_NONE);
-    monitorInSecondary->consumeKeyDown(ADISPLAY_ID_NONE);
+    monitorInSecondary.consumeKeyDown(ADISPLAY_ID_NONE);
 }
 
 class InputFilterTest : public InputDispatcherTest {
diff --git a/services/surfaceflinger/CompositionEngine/src/OutputLayer.cpp b/services/surfaceflinger/CompositionEngine/src/OutputLayer.cpp
index ce0222c..82d2422 100644
--- a/services/surfaceflinger/CompositionEngine/src/OutputLayer.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/OutputLayer.cpp
@@ -231,7 +231,7 @@
      * (NOTE: the matrices are multiplied in reverse order)
      */
     const ui::Transform& layerTransform = layerState.geomLayerTransform;
-    const ui::Transform displayTransform{outputState.orientation};
+    const ui::Transform displayTransform{outputState.transform};
     const ui::Transform bufferTransform{layerState.geomBufferTransform};
     ui::Transform transform(displayTransform * layerTransform * bufferTransform);
 
diff --git a/services/surfaceflinger/CompositionEngine/tests/MockHWComposer.h b/services/surfaceflinger/CompositionEngine/tests/MockHWComposer.h
index 364661b..9971791 100644
--- a/services/surfaceflinger/CompositionEngine/tests/MockHWComposer.h
+++ b/services/surfaceflinger/CompositionEngine/tests/MockHWComposer.h
@@ -86,6 +86,9 @@
     MOCK_METHOD4(setActiveConfigWithConstraints,
                  status_t(DisplayId, size_t, const HWC2::VsyncPeriodChangeConstraints&,
                           HWC2::VsyncPeriodChangeTimeline*));
+    MOCK_METHOD2(setAutoLowLatencyMode, status_t(DisplayId, bool));
+    MOCK_METHOD2(getSupportedContentTypes, status_t(DisplayId, std::vector<HWC2::ContentType>*));
+    MOCK_METHOD2(setContentType, status_t(DisplayId, HWC2::ContentType));
 
     MOCK_CONST_METHOD1(dump, void(std::string&));
     MOCK_CONST_METHOD0(getComposer, android::Hwc2::Composer*());
diff --git a/services/surfaceflinger/CompositionEngine/tests/OutputLayerTest.cpp b/services/surfaceflinger/CompositionEngine/tests/OutputLayerTest.cpp
index 2e030a1..0e579fa 100644
--- a/services/surfaceflinger/CompositionEngine/tests/OutputLayerTest.cpp
+++ b/services/surfaceflinger/CompositionEngine/tests/OutputLayerTest.cpp
@@ -364,6 +364,7 @@
         mLayerFEState.geomLayerTransform.set(entry.layer, 1920, 1080);
         mLayerFEState.geomBufferTransform = entry.buffer;
         mOutputState.orientation = entry.display;
+        mOutputState.transform = ui::Transform{entry.display};
 
         auto actual = mOutputLayer.calculateOutputRelativeBufferTransform();
         EXPECT_EQ(entry.expected, actual) << "entry " << i;
@@ -422,6 +423,7 @@
         mLayerFEState.geomLayerTransform = ui::Transform{entry.layer};
         mLayerFEState.geomBufferTransform = entry.buffer;
         mOutputState.orientation = entry.display;
+        mOutputState.transform = ui::Transform{entry.display};
 
         auto actual = mOutputLayer.calculateOutputRelativeBufferTransform();
         EXPECT_EQ(entry.expected, actual) << "entry " << i;
@@ -764,6 +766,21 @@
     mOutputLayer.writeStateToHWC(true);
 }
 
+TEST_F(OutputLayerTest, displayInstallOrientationBufferTransformSetTo90) {
+    mLayerFEState.geomBufferUsesDisplayInverseTransform = false;
+    mLayerFEState.geomLayerTransform = ui::Transform{TR_IDENT};
+    // This test simulates a scenario where displayInstallOrientation is set to
+    // ROT_90. This only has an effect on the transform; orientation stays 0 (see
+    // DisplayDevice::setProjection).
+    mOutputState.orientation = TR_IDENT;
+    mOutputState.transform = ui::Transform{TR_ROT_90};
+    // Buffers are pre-rotated based on the transform hint (ROT_90); their
+    // geomBufferTransform is set to the inverse transform.
+    mLayerFEState.geomBufferTransform = TR_ROT_270;
+
+    EXPECT_EQ(TR_IDENT, mOutputLayer.calculateOutputRelativeBufferTransform());
+}
+
 TEST_F(OutputLayerWriteStateToHWCTest, canSetPerFrameStateForSolidColor) {
     mLayerFEState.compositionType = Hwc2::IComposerClient::Composition::SOLID_COLOR;
 
diff --git a/services/surfaceflinger/DisplayHardware/ComposerHal.cpp b/services/surfaceflinger/DisplayHardware/ComposerHal.cpp
index dc71128..eb032f3 100644
--- a/services/surfaceflinger/DisplayHardware/ComposerHal.cpp
+++ b/services/surfaceflinger/DisplayHardware/ComposerHal.cpp
@@ -1281,6 +1281,45 @@
     return error;
 }
 
+V2_4::Error Composer::setAutoLowLatencyMode(Display display, bool on) {
+    using Error = V2_4::Error;
+    if (!mClient_2_4) {
+        return Error::UNSUPPORTED;
+    }
+
+    return mClient_2_4->setAutoLowLatencyMode(display, on);
+}
+
+V2_4::Error Composer::getSupportedContentTypes(
+        Display displayId, std::vector<IComposerClient::ContentType>* outSupportedContentTypes) {
+    using Error = V2_4::Error;
+    if (!mClient_2_4) {
+        return Error::UNSUPPORTED;
+    }
+
+    Error error = kDefaultError_2_4;
+    mClient_2_4->getSupportedContentTypes(displayId,
+                                          [&](const auto& tmpError,
+                                              const auto& tmpSupportedContentTypes) {
+                                              error = tmpError;
+                                              if (error != Error::NONE) {
+                                                  return;
+                                              }
+
+                                              *outSupportedContentTypes = tmpSupportedContentTypes;
+                                          });
+    return error;
+}
+
+V2_4::Error Composer::setContentType(Display display, IComposerClient::ContentType contentType) {
+    using Error = V2_4::Error;
+    if (!mClient_2_4) {
+        return Error::UNSUPPORTED;
+    }
+
+    return mClient_2_4->setContentType(display, contentType);
+}
+
 CommandReader::~CommandReader()
 {
     resetData();
diff --git a/services/surfaceflinger/DisplayHardware/ComposerHal.h b/services/surfaceflinger/DisplayHardware/ComposerHal.h
index 336fdd8..301f54f 100644
--- a/services/surfaceflinger/DisplayHardware/ComposerHal.h
+++ b/services/surfaceflinger/DisplayHardware/ComposerHal.h
@@ -221,6 +221,13 @@
             Display display, Config config,
             const IComposerClient::VsyncPeriodChangeConstraints& vsyncPeriodChangeConstraints,
             VsyncPeriodChangeTimeline* outTimeline) = 0;
+
+    virtual V2_4::Error setAutoLowLatencyMode(Display displayId, bool on) = 0;
+    virtual V2_4::Error getSupportedContentTypes(
+            Display displayId,
+            std::vector<IComposerClient::ContentType>* outSupportedContentTypes) = 0;
+    virtual V2_4::Error setContentType(Display displayId,
+                                       IComposerClient::ContentType contentType) = 0;
 };
 
 namespace impl {
@@ -442,6 +449,12 @@
             Display display, Config config,
             const IComposerClient::VsyncPeriodChangeConstraints& vsyncPeriodChangeConstraints,
             VsyncPeriodChangeTimeline* outTimeline) override;
+    V2_4::Error setAutoLowLatencyMode(Display displayId, bool on) override;
+    V2_4::Error getSupportedContentTypes(
+            Display displayId,
+            std::vector<IComposerClient::ContentType>* outSupportedContentTypes) override;
+    V2_4::Error setContentType(Display displayId,
+                               IComposerClient::ContentType contentType) override;
 
 private:
 #if defined(USE_VR_COMPOSER) && USE_VR_COMPOSER
diff --git a/services/surfaceflinger/DisplayHardware/HWC2.cpp b/services/surfaceflinger/DisplayHardware/HWC2.cpp
index 4f96ad3..c4f91be 100644
--- a/services/surfaceflinger/DisplayHardware/HWC2.cpp
+++ b/services/surfaceflinger/DisplayHardware/HWC2.cpp
@@ -812,6 +812,26 @@
     return static_cast<Error>(intError);
 }
 
+Error Display::setAutoLowLatencyMode(bool on) const {
+    auto intError = mComposer.setAutoLowLatencyMode(mId, on);
+    return static_cast<Error>(intError);
+}
+
+Error Display::getSupportedContentTypes(std::vector<ContentType>* outSupportedContentTypes) const {
+    std::vector<Hwc2::IComposerClient::ContentType> tmpSupportedContentTypes;
+    auto intError = mComposer.getSupportedContentTypes(mId, &tmpSupportedContentTypes);
+    for (Hwc2::IComposerClient::ContentType contentType : tmpSupportedContentTypes) {
+        outSupportedContentTypes->push_back(static_cast<ContentType>(contentType));
+    }
+    return static_cast<Error>(intError);
+}
+
+Error Display::setContentType(ContentType contentType) const {
+    using Hwc2_ContentType = Hwc2::IComposerClient::ContentType;
+    auto intError = mComposer.setContentType(mId, static_cast<Hwc2_ContentType>(contentType));
+    return static_cast<Error>(intError);
+}
+
 // For use by Device
 
 void Display::setConnected(bool connected) {
diff --git a/services/surfaceflinger/DisplayHardware/HWC2.h b/services/surfaceflinger/DisplayHardware/HWC2.h
index 5abebab..59f36d0 100644
--- a/services/surfaceflinger/DisplayHardware/HWC2.h
+++ b/services/surfaceflinger/DisplayHardware/HWC2.h
@@ -283,6 +283,10 @@
             const std::shared_ptr<const HWC2::Display::Config>& config,
             const VsyncPeriodChangeConstraints& constraints,
             VsyncPeriodChangeTimeline* outTimeline) = 0;
+    [[clang::warn_unused_result]] virtual Error setAutoLowLatencyMode(bool on) const = 0;
+    [[clang::warn_unused_result]] virtual Error getSupportedContentTypes(
+            std::vector<HWC2::ContentType>*) const = 0;
+    [[clang::warn_unused_result]] virtual Error setContentType(HWC2::ContentType) const = 0;
 };
 
 namespace impl {
@@ -346,7 +350,10 @@
     Error setActiveConfigWithConstraints(const std::shared_ptr<const HWC2::Display::Config>& config,
                                          const VsyncPeriodChangeConstraints& constraints,
                                          VsyncPeriodChangeTimeline* outTimeline) override;
-
+    Error setAutoLowLatencyMode(bool on) const override;
+    Error getSupportedContentTypes(
+            std::vector<HWC2::ContentType>* outSupportedContentTypes) const override;
+    Error setContentType(HWC2::ContentType contentType) const override;
     // Other Display methods
     hwc2_display_t getId() const override { return mId; }
     bool isConnected() const override { return mIsConnected; }
diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.cpp b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
index d8dad0b..9accefb 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.cpp
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
@@ -722,6 +722,44 @@
     return getComposer()->isUsingVrComposer();
 }
 
+status_t HWComposer::setAutoLowLatencyMode(DisplayId displayId, bool on) {
+    RETURN_IF_INVALID_DISPLAY(displayId, BAD_INDEX);
+    const auto error = mDisplayData[displayId].hwcDisplay->setAutoLowLatencyMode(on);
+    if (error == HWC2::Error::Unsupported) {
+        RETURN_IF_HWC_ERROR(error, displayId, INVALID_OPERATION);
+    }
+    if (error == HWC2::Error::BadParameter) {
+        RETURN_IF_HWC_ERROR(error, displayId, BAD_VALUE);
+    }
+    RETURN_IF_HWC_ERROR(error, displayId, UNKNOWN_ERROR);
+    return NO_ERROR;
+}
+
+status_t HWComposer::getSupportedContentTypes(
+        DisplayId displayId, std::vector<HWC2::ContentType>* outSupportedContentTypes) {
+    RETURN_IF_INVALID_DISPLAY(displayId, BAD_INDEX);
+    const auto error =
+            mDisplayData[displayId].hwcDisplay->getSupportedContentTypes(outSupportedContentTypes);
+
+    RETURN_IF_HWC_ERROR(error, displayId, UNKNOWN_ERROR);
+
+    return NO_ERROR;
+}
+
+status_t HWComposer::setContentType(DisplayId displayId, HWC2::ContentType contentType) {
+    RETURN_IF_INVALID_DISPLAY(displayId, BAD_INDEX);
+    const auto error = mDisplayData[displayId].hwcDisplay->setContentType(contentType);
+    if (error == HWC2::Error::Unsupported) {
+        RETURN_IF_HWC_ERROR(error, displayId, INVALID_OPERATION);
+    }
+    if (error == HWC2::Error::BadParameter) {
+        RETURN_IF_HWC_ERROR(error, displayId, BAD_VALUE);
+    }
+    RETURN_IF_HWC_ERROR(error, displayId, UNKNOWN_ERROR);
+
+    return NO_ERROR;
+}
+
 void HWComposer::dump(std::string& result) const {
     // TODO: In order to provide a dump equivalent to HWC1, we need to shadow
     // all the state going into the layers. This is probably better done in
diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.h b/services/surfaceflinger/DisplayHardware/HWComposer.h
index 077e452..c51002c 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.h
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.h
@@ -184,6 +184,10 @@
             DisplayId displayId, size_t configId,
             const HWC2::VsyncPeriodChangeConstraints& constraints,
             HWC2::VsyncPeriodChangeTimeline* outTimeline) = 0;
+    virtual status_t setAutoLowLatencyMode(DisplayId displayId, bool on) = 0;
+    virtual status_t getSupportedContentTypes(
+            DisplayId displayId, std::vector<HWC2::ContentType>* outSupportedContentTypes) = 0;
+    virtual status_t setContentType(DisplayId displayId, HWC2::ContentType contentType) = 0;
 
     // for debugging ----------------------------------------------------------
     virtual void dump(std::string& out) const = 0;
@@ -313,6 +317,10 @@
     status_t setActiveConfigWithConstraints(DisplayId displayId, size_t configId,
                                             const HWC2::VsyncPeriodChangeConstraints& constraints,
                                             HWC2::VsyncPeriodChangeTimeline* outTimeline) override;
+    status_t setAutoLowLatencyMode(DisplayId displayId, bool) override;
+    status_t getSupportedContentTypes(DisplayId displayId,
+                                      std::vector<HWC2::ContentType>*) override;
+    status_t setContentType(DisplayId displayId, HWC2::ContentType) override;
 
     // for debugging ----------------------------------------------------------
     void dump(std::string& out) const override;
diff --git a/services/surfaceflinger/Scheduler/RefreshRateConfigs.cpp b/services/surfaceflinger/Scheduler/RefreshRateConfigs.cpp
index 23fb96a..847e20c 100644
--- a/services/surfaceflinger/Scheduler/RefreshRateConfigs.cpp
+++ b/services/surfaceflinger/Scheduler/RefreshRateConfigs.cpp
@@ -110,13 +110,48 @@
     init(inputConfigs, currentConfigId);
 }
 
-void RefreshRateConfigs::setPolicy(HwcConfigIndexType defaultConfigId, float minRefreshRate,
-                                   float maxRefreshRate) {
+status_t RefreshRateConfigs::setPolicy(HwcConfigIndexType defaultConfigId, float minRefreshRate,
+                                       float maxRefreshRate, bool* outPolicyChanged) {
     std::lock_guard lock(mLock);
-    mCurrentGroupId = mRefreshRates.at(defaultConfigId).configGroup;
+    bool policyChanged = defaultConfigId != mDefaultConfig ||
+            minRefreshRate != mMinRefreshRateFps || maxRefreshRate != mMaxRefreshRateFps;
+    if (outPolicyChanged) {
+        *outPolicyChanged = policyChanged;
+    }
+    if (!policyChanged) {
+        return NO_ERROR;
+    }
+    // defaultConfigId must be a valid config ID, and within the given refresh rate range.
+    if (mRefreshRates.count(defaultConfigId) == 0) {
+        return BAD_VALUE;
+    }
+    const RefreshRate& refreshRate = mRefreshRates.at(defaultConfigId);
+    if (refreshRate.fps < minRefreshRate || refreshRate.fps > maxRefreshRate) {
+        return BAD_VALUE;
+    }
+    mDefaultConfig = defaultConfigId;
     mMinRefreshRateFps = minRefreshRate;
     mMaxRefreshRateFps = maxRefreshRate;
     constructAvailableRefreshRates();
+    return NO_ERROR;
+}
+
+void RefreshRateConfigs::getPolicy(HwcConfigIndexType* defaultConfigId, float* minRefreshRate,
+                                   float* maxRefreshRate) const {
+    std::lock_guard lock(mLock);
+    *defaultConfigId = mDefaultConfig;
+    *minRefreshRate = mMinRefreshRateFps;
+    *maxRefreshRate = mMaxRefreshRateFps;
+}
+
+bool RefreshRateConfigs::isConfigAllowed(HwcConfigIndexType config) const {
+    std::lock_guard lock(mLock);
+    for (const RefreshRate* refreshRate : mAvailableRefreshRates) {
+        if (refreshRate->configId == config) {
+            return true;
+        }
+    }
+    return false;
 }
 
 void RefreshRateConfigs::getSortedRefreshRateList(
@@ -140,15 +175,18 @@
 
 void RefreshRateConfigs::constructAvailableRefreshRates() {
     // Filter configs based on current policy and sort based on vsync period
-    ALOGV("constructRefreshRateMap: group %d min %.2f max %.2f", mCurrentGroupId.value(),
-          mMinRefreshRateFps, mMaxRefreshRateFps);
+    HwcConfigGroupType group = mRefreshRates.at(mDefaultConfig).configGroup;
+    ALOGV("constructRefreshRateMap: default %d group %d min %.2f max %.2f", mDefaultConfig.value(),
+          group.value(), mMinRefreshRateFps, mMaxRefreshRateFps);
     getSortedRefreshRateList(
-            [this](const RefreshRate& refreshRate) REQUIRES(mLock) {
-                return refreshRate.configGroup == mCurrentGroupId &&
-                        refreshRate.fps >= mMinRefreshRateFps &&
+            [&](const RefreshRate& refreshRate) REQUIRES(mLock) {
+                return refreshRate.configGroup == group && refreshRate.fps >= mMinRefreshRateFps &&
                         refreshRate.fps <= mMaxRefreshRateFps;
             },
             &mAvailableRefreshRates);
+    LOG_ALWAYS_FATAL_IF(mAvailableRefreshRates.empty(),
+                        "No compatible display configs for default=%d min=%.0f max=%.0f",
+                        mDefaultConfig.value(), mMinRefreshRateFps, mMaxRefreshRateFps);
 }
 
 // NO_THREAD_SAFETY_ANALYSIS since this is called from the constructor
@@ -167,12 +205,12 @@
         mRefreshRates.emplace(config.configId, buildRefreshRate(config));
         if (config.configId == currentHwcConfig) {
             mCurrentRefreshRate = &mRefreshRates.at(config.configId);
-            mCurrentGroupId = config.configGroup;
         }
     }
 
     std::vector<const RefreshRate*> sortedConfigs;
     getSortedRefreshRateList([](const RefreshRate&) { return true; }, &sortedConfigs);
+    mDefaultConfig = currentHwcConfig;
     mMinSupportedRefreshRate = sortedConfigs.front();
     mMaxSupportedRefreshRate = sortedConfigs.back();
     constructAvailableRefreshRates();
diff --git a/services/surfaceflinger/Scheduler/RefreshRateConfigs.h b/services/surfaceflinger/Scheduler/RefreshRateConfigs.h
index fb14dc7..1e740ca 100644
--- a/services/surfaceflinger/Scheduler/RefreshRateConfigs.h
+++ b/services/surfaceflinger/Scheduler/RefreshRateConfigs.h
@@ -73,9 +73,17 @@
 
     using AllRefreshRatesMapType = std::unordered_map<HwcConfigIndexType, const RefreshRate>;
 
-    // Sets the current policy to choose refresh rates.
-    void setPolicy(HwcConfigIndexType defaultConfigId, float minRefreshRate, float maxRefreshRate)
-            EXCLUDES(mLock);
+    // Sets the current policy to choose refresh rates. Returns NO_ERROR if the requested policy is
+    // valid, or a negative error value otherwise. policyChanged, if non-null, will be set to true
+    // if the new policy is different from the old policy.
+    status_t setPolicy(HwcConfigIndexType defaultConfigId, float minRefreshRate,
+                       float maxRefreshRate, bool* policyChanged) EXCLUDES(mLock);
+    // Gets the current policy.
+    void getPolicy(HwcConfigIndexType* defaultConfigId, float* minRefreshRate,
+                   float* maxRefreshRate) const EXCLUDES(mLock);
+
+    // Returns true if config is allowed by the current policy.
+    bool isConfigAllowed(HwcConfigIndexType config) const EXCLUDES(mLock);
 
     // Returns true if this device is doing refresh rate switching. This won't change at runtime.
     bool refreshRateSwitchingSupported() const { return mRefreshRateSwitching; }
@@ -143,9 +151,9 @@
     // the main thread, and read by the Scheduler (and other objects) on other threads.
     const RefreshRate* mCurrentRefreshRate GUARDED_BY(mLock);
 
-    // The current config group. This will change at runtime. This is set by SurfaceFlinger on
+    // The default config. This will change at runtime. This is set by SurfaceFlinger on
     // the main thread, and read by the Scheduler (and other objects) on other threads.
-    HwcConfigGroupType mCurrentGroupId GUARDED_BY(mLock);
+    HwcConfigIndexType mDefaultConfig GUARDED_BY(mLock);
 
     // The min and max FPS allowed by the policy. This will change at runtime and set by
     // SurfaceFlinger on the main thread.
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 537489f..7f819dd 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -910,10 +910,30 @@
 status_t SurfaceFlinger::setActiveConfig(const sp<IBinder>& displayToken, int mode) {
     ATRACE_CALL();
 
-    std::vector<int32_t> allowedConfig;
-    allowedConfig.push_back(mode);
+    if (!displayToken) {
+        return BAD_VALUE;
+    }
 
-    return setAllowedDisplayConfigs(displayToken, allowedConfig);
+    status_t result = NO_ERROR;
+
+    postMessageSync(new LambdaMessage([&]() {
+        const auto display = getDisplayDeviceLocked(displayToken);
+        if (!display) {
+            ALOGE("Attempt to set allowed display configs for invalid display token %p",
+                  displayToken.get());
+            result = BAD_VALUE;
+        } else if (display->isVirtual()) {
+            ALOGW("Attempt to set allowed display configs for virtual display");
+            result = BAD_VALUE;
+        } else {
+            HwcConfigIndexType config(mode);
+            const auto& refreshRate = mRefreshRateConfigs->getRefreshRateFromConfigId(config);
+            result = setDesiredDisplayConfigSpecsInternal(display, config, refreshRate.fps,
+                                                          refreshRate.fps);
+        }
+    }));
+
+    return result;
 }
 
 void SurfaceFlinger::setActiveConfigInternal() {
@@ -1111,6 +1131,86 @@
     return NO_ERROR;
 }
 
+status_t SurfaceFlinger::getAutoLowLatencyModeSupport(const sp<IBinder>& displayToken,
+                                                      bool* outSupport) const {
+    Mutex::Autolock _l(mStateLock);
+
+    if (!displayToken) {
+        ALOGE("getAutoLowLatencyModeSupport() failed. Missing display token.");
+        return BAD_VALUE;
+    }
+    const auto displayId = getPhysicalDisplayIdLocked(displayToken);
+    if (!displayId) {
+        ALOGE("getAutoLowLatencyModeSupport() failed. Display id for display token %p not found.",
+              displayToken.get());
+        return NAME_NOT_FOUND;
+    }
+    *outSupport = getHwComposer().hasDisplayCapability(displayId,
+                                                       HWC2::DisplayCapability::AutoLowLatencyMode);
+    return NO_ERROR;
+}
+
+void SurfaceFlinger::setAutoLowLatencyMode(const sp<IBinder>& displayToken, bool on) {
+    postMessageAsync(new LambdaMessage([=] { setAutoLowLatencyModeInternal(displayToken, on); }));
+}
+
+void SurfaceFlinger::setAutoLowLatencyModeInternal(const sp<IBinder>& displayToken, bool on) {
+    if (!displayToken) {
+        ALOGE("setAutoLowLatencyMode() failed. Missing display token.");
+        return;
+    }
+    const auto displayId = getPhysicalDisplayIdLocked(displayToken);
+    if (!displayId) {
+        ALOGE("setAutoLowLatencyMode() failed. Display id for display token %p not found.",
+              displayToken.get());
+        return;
+    }
+
+    getHwComposer().setAutoLowLatencyMode(*displayId, on);
+}
+
+status_t SurfaceFlinger::getGameContentTypeSupport(const sp<IBinder>& displayToken,
+                                                   bool* outSupport) const {
+    Mutex::Autolock _l(mStateLock);
+
+    if (!displayToken) {
+        ALOGE("getGameContentTypeSupport() failed. Missing display token.");
+        return BAD_VALUE;
+    }
+    const auto displayId = getPhysicalDisplayIdLocked(displayToken);
+    if (!displayId) {
+        ALOGE("getGameContentTypeSupport() failed. Display id for display token %p not found.",
+              displayToken.get());
+        return NAME_NOT_FOUND;
+    }
+
+    std::vector<HWC2::ContentType> outSupportedContentTypes;
+    getHwComposer().getSupportedContentTypes(*displayId, &outSupportedContentTypes);
+    *outSupport = std::find(outSupportedContentTypes.begin(), outSupportedContentTypes.end(),
+                            HWC2::ContentType::Game) != outSupportedContentTypes.end();
+    return NO_ERROR;
+}
+
+void SurfaceFlinger::setGameContentType(const sp<IBinder>& displayToken, bool on) {
+    postMessageAsync(new LambdaMessage([=] { setGameContentTypeInternal(displayToken, on); }));
+}
+
+void SurfaceFlinger::setGameContentTypeInternal(const sp<IBinder>& displayToken, bool on) {
+    if (!displayToken) {
+        ALOGE("setGameContentType() failed. Missing display token.");
+        return;
+    }
+    const auto displayId = getPhysicalDisplayIdLocked(displayToken);
+    if (!displayId) {
+        ALOGE("setGameContentType() failed. Display id for display token %p not found.",
+              displayToken.get());
+        return;
+    }
+
+    const HWC2::ContentType type = on ? HWC2::ContentType::Game : HWC2::ContentType::None;
+    getHwComposer().setContentType(*displayId, type);
+}
+
 status_t SurfaceFlinger::clearAnimationFrameStats() {
     Mutex::Autolock _l(mStateLock);
     mAnimFrameTracker.clearStats();
@@ -1413,7 +1513,7 @@
 }
 
 bool SurfaceFlinger::isDisplayConfigAllowed(HwcConfigIndexType configId) const {
-    return mAllowedDisplayConfigs.empty() || mAllowedDisplayConfigs.count(configId);
+    return mRefreshRateConfigs->isConfigAllowed(configId);
 }
 
 void SurfaceFlinger::changeRefreshRateLocked(const RefreshRate& refreshRate,
@@ -3995,18 +4095,13 @@
                   "      present offset: %9" PRId64 " ns\t     VSYNC period: %9" PRId64 " ns\n\n",
                   dispSyncPresentTimeOffset, getVsyncPeriod());
 
-    StringAppendF(&result, "Allowed Display Configs: ");
-    for (auto configId : mAllowedDisplayConfigs) {
-        StringAppendF(&result, "%" PRIu32 " Hz, ",
-                      static_cast<int32_t>(
-                              mRefreshRateConfigs->getRefreshRateFromConfigId(configId).fps));
-    }
+    HwcConfigIndexType defaultConfig;
+    float minFps, maxFps;
+    mRefreshRateConfigs->getPolicy(&defaultConfig, &minFps, &maxFps);
     StringAppendF(&result,
-                  "DesiredDisplayConfigSpecs: default config ID: %" PRIu32
+                  "DesiredDisplayConfigSpecs: default config ID: %d"
                   ", min: %.2f Hz, max: %.2f Hz",
-                  mDesiredDisplayConfigSpecs.defaultModeId,
-                  mDesiredDisplayConfigSpecs.minRefreshRate,
-                  mDesiredDisplayConfigSpecs.maxRefreshRate);
+                  defaultConfig.value(), minFps, maxFps);
     StringAppendF(&result, "(config override by backdoor: %s)\n\n",
                   mDebugDisplayConfigSetByBackdoor ? "yes" : "no");
 
@@ -4434,11 +4529,13 @@
         case GET_ANIMATION_FRAME_STATS:
         case GET_HDR_CAPABILITIES:
         case SET_ACTIVE_CONFIG:
-        case SET_ALLOWED_DISPLAY_CONFIGS:
-        case GET_ALLOWED_DISPLAY_CONFIGS:
         case SET_DESIRED_DISPLAY_CONFIG_SPECS:
         case GET_DESIRED_DISPLAY_CONFIG_SPECS:
         case SET_ACTIVE_COLOR_MODE:
+        case GET_AUTO_LOW_LATENCY_MODE_SUPPORT:
+        case SET_AUTO_LOW_LATENCY_MODE:
+        case GET_GAME_CONTENT_TYPE_SUPPORT:
+        case SET_GAME_CONTENT_TYPE:
         case INJECT_VSYNC:
         case SET_POWER_MODE:
         case GET_DISPLAYED_CONTENT_SAMPLING_ATTRIBUTES:
@@ -4861,7 +4958,7 @@
                 mDebugDisplayConfigSetByBackdoor = false;
                 if (n >= 0) {
                     const auto displayToken = getInternalDisplayToken();
-                    status_t result = setAllowedDisplayConfigs(displayToken, {n});
+                    status_t result = setActiveConfig(displayToken, n);
                     if (result != NO_ERROR) {
                         return result;
                     }
@@ -5457,8 +5554,12 @@
     }
 }
 
-void SurfaceFlinger::setAllowedDisplayConfigsInternal(const sp<DisplayDevice>& display,
-                                                      const std::vector<int32_t>& allowedConfigs) {
+status_t SurfaceFlinger::setDesiredDisplayConfigSpecsInternal(const sp<DisplayDevice>& display,
+                                                              HwcConfigIndexType defaultConfig,
+                                                              float minRefreshRate,
+                                                              float maxRefreshRate) {
+    Mutex::Autolock lock(mStateLock);
+
     if (!display->isPrimary()) {
         // TODO(b/144711714): For non-primary displays we should be able to set an active config
         // as well. For now, just call directly to setActiveConfigWithConstraints but ideally
@@ -5472,26 +5573,36 @@
         constraints.seamlessRequired = false;
 
         HWC2::VsyncPeriodChangeTimeline timeline = {0, 0, 0};
-        getHwComposer().setActiveConfigWithConstraints(*displayId, allowedConfigs[0], constraints,
-                                                       &timeline);
+        if (getHwComposer().setActiveConfigWithConstraints(*displayId, defaultConfig.value(),
+                                                           constraints, &timeline) < 0) {
+            return BAD_VALUE;
+        }
         if (timeline.refreshRequired) {
             repaintEverythingForHWC();
         }
 
-        auto configId = HwcConfigIndexType(allowedConfigs[0]);
+        auto configId = HwcConfigIndexType(defaultConfig);
         display->setActiveConfig(configId);
         mScheduler->onConfigChanged(mAppConnectionHandle, display->getId()->value, configId);
-        return;
+        return NO_ERROR;
     }
 
-    const auto allowedDisplayConfigs = DisplayConfigs(allowedConfigs.begin(),
-                                                      allowedConfigs.end());
-    if (allowedDisplayConfigs == mAllowedDisplayConfigs) {
-        return;
+    if (mDebugDisplayConfigSetByBackdoor) {
+        // ignore this request as config is overridden by backdoor
+        return NO_ERROR;
     }
 
-    ALOGV("Updating allowed configs");
-    mAllowedDisplayConfigs = std::move(allowedDisplayConfigs);
+    bool policyChanged;
+    if (mRefreshRateConfigs->setPolicy(defaultConfig, minRefreshRate, maxRefreshRate,
+                                       &policyChanged) < 0) {
+        return BAD_VALUE;
+    }
+    if (!policyChanged) {
+        return NO_ERROR;
+    }
+
+    ALOGV("Setting desired display config specs: defaultConfig: %d min: %.f max: %.f",
+          defaultConfig.value(), minRefreshRate, maxRefreshRate);
 
     // TODO(b/140204874): This hack triggers a notification that something has changed, so
     // that listeners that care about a change in allowed configs can get the notification.
@@ -5499,25 +5610,6 @@
     mScheduler->onConfigChanged(mAppConnectionHandle, display->getId()->value,
                                 display->getActiveConfig());
 
-    // Prepare the parameters needed for RefreshRateConfigs::setPolicy. This will change to just
-    // passthrough once DisplayManager provide these parameters directly.
-    const auto refreshRate =
-            mRefreshRateConfigs->getRefreshRateFromConfigId(HwcConfigIndexType(allowedConfigs[0]));
-    const auto defaultModeId = refreshRate.configId;
-    auto minRefreshRateFps = refreshRate.fps;
-    auto maxRefreshRateFps = minRefreshRateFps;
-
-    for (auto config : allowedConfigs) {
-        const auto configRefreshRate =
-                mRefreshRateConfigs->getRefreshRateFromConfigId(HwcConfigIndexType(config));
-        if (configRefreshRate.fps < minRefreshRateFps) {
-            minRefreshRateFps = configRefreshRate.fps;
-        } else if (configRefreshRate.fps > maxRefreshRateFps) {
-            maxRefreshRateFps = configRefreshRate.fps;
-        }
-    }
-    mRefreshRateConfigs->setPolicy(defaultModeId, minRefreshRateFps, maxRefreshRateFps);
-
     if (mRefreshRateConfigs->refreshRateSwitchingSupported()) {
         auto configId = mScheduler->getPreferredConfigId();
         auto preferredRefreshRate = configId
@@ -5536,70 +5628,15 @@
                                     Scheduler::ConfigEvent::Changed});
         }
     } else {
-        if (!allowedConfigs.empty()) {
-            ALOGV("switching to config %d", allowedConfigs[0]);
-            auto configId = HwcConfigIndexType(allowedConfigs[0]);
-            setDesiredActiveConfig({configId, Scheduler::ConfigEvent::Changed});
-        }
-    }
-}
-
-status_t SurfaceFlinger::setAllowedDisplayConfigs(const sp<IBinder>& displayToken,
-                                                  const std::vector<int32_t>& allowedConfigs) {
-    ATRACE_CALL();
-
-    if (!displayToken || allowedConfigs.empty()) {
-        return BAD_VALUE;
-    }
-
-    if (mDebugDisplayConfigSetByBackdoor) {
-        // ignore this request as config is overridden by backdoor
-        return NO_ERROR;
-    }
-
-    postMessageSync(new LambdaMessage([&]() {
-        const auto display = getDisplayDeviceLocked(displayToken);
-        if (!display) {
-            ALOGE("Attempt to set allowed display configs for invalid display token %p",
-                  displayToken.get());
-        } else if (display->isVirtual()) {
-            ALOGW("Attempt to set allowed display configs for virtual display");
-        } else {
-            Mutex::Autolock lock(mStateLock);
-            setAllowedDisplayConfigsInternal(display, allowedConfigs);
-        }
-    }));
-
-    return NO_ERROR;
-}
-
-status_t SurfaceFlinger::getAllowedDisplayConfigs(const sp<IBinder>& displayToken,
-                                                  std::vector<int32_t>* outAllowedConfigs) {
-    ATRACE_CALL();
-
-    if (!displayToken || !outAllowedConfigs) {
-        return BAD_VALUE;
-    }
-
-    Mutex::Autolock lock(mStateLock);
-
-    const auto display = getDisplayDeviceLocked(displayToken);
-    if (!display) {
-        return NAME_NOT_FOUND;
-    }
-
-    if (display->isPrimary()) {
-        outAllowedConfigs->reserve(mAllowedDisplayConfigs.size());
-        for (auto configId : mAllowedDisplayConfigs) {
-            outAllowedConfigs->push_back(configId.value());
-        }
+        ALOGV("switching to config %d", defaultConfig.value());
+        setDesiredActiveConfig({defaultConfig, Scheduler::ConfigEvent::Changed});
     }
 
     return NO_ERROR;
 }
 
 status_t SurfaceFlinger::setDesiredDisplayConfigSpecs(const sp<IBinder>& displayToken,
-                                                      int32_t defaultModeId, float minRefreshRate,
+                                                      int32_t defaultConfig, float minRefreshRate,
                                                       float maxRefreshRate) {
     ATRACE_CALL();
 
@@ -5607,39 +5644,34 @@
         return BAD_VALUE;
     }
 
+    status_t result = NO_ERROR;
+
     postMessageSync(new LambdaMessage([&]() {
         const auto display = getDisplayDeviceLocked(displayToken);
         if (!display) {
+            result = BAD_VALUE;
             ALOGE("Attempt to set desired display configs for invalid display token %p",
                   displayToken.get());
         } else if (display->isVirtual()) {
+            result = BAD_VALUE;
             ALOGW("Attempt to set desired display configs for virtual display");
         } else {
-            // TODO(b/142507213): Plug through to HWC once the interface is ready.
-            Mutex::Autolock lock(mStateLock);
-            const DesiredDisplayConfigSpecs desiredDisplayConfigSpecs = {defaultModeId,
-                                                                         minRefreshRate,
-                                                                         maxRefreshRate};
-            if (desiredDisplayConfigSpecs == mDesiredDisplayConfigSpecs) {
-                return;
-            }
-            ALOGV("Updating desired display configs");
-            ALOGD("desiredDisplayConfigSpecs: defaultId: %d min: %.f max: %.f decisions: ",
-                  desiredDisplayConfigSpecs.defaultModeId, desiredDisplayConfigSpecs.minRefreshRate,
-                  desiredDisplayConfigSpecs.maxRefreshRate);
-            mDesiredDisplayConfigSpecs = desiredDisplayConfigSpecs;
+            result =
+                    setDesiredDisplayConfigSpecsInternal(display, HwcConfigIndexType(defaultConfig),
+                                                         minRefreshRate, maxRefreshRate);
         }
     }));
-    return NO_ERROR;
+
+    return result;
 }
 
 status_t SurfaceFlinger::getDesiredDisplayConfigSpecs(const sp<IBinder>& displayToken,
-                                                      int32_t* outDefaultModeId,
+                                                      int32_t* outDefaultConfig,
                                                       float* outMinRefreshRate,
                                                       float* outMaxRefreshRate) {
     ATRACE_CALL();
 
-    if (!displayToken || !outDefaultModeId || !outMinRefreshRate || !outMaxRefreshRate) {
+    if (!displayToken || !outDefaultConfig || !outMinRefreshRate || !outMaxRefreshRate) {
         return BAD_VALUE;
     }
 
@@ -5650,12 +5682,23 @@
     }
 
     if (display->isPrimary()) {
-        *outDefaultModeId = mDesiredDisplayConfigSpecs.defaultModeId;
-        *outMinRefreshRate = mDesiredDisplayConfigSpecs.minRefreshRate;
-        *outMaxRefreshRate = mDesiredDisplayConfigSpecs.maxRefreshRate;
+        HwcConfigIndexType defaultConfig;
+        mRefreshRateConfigs->getPolicy(&defaultConfig, outMinRefreshRate, outMaxRefreshRate);
+        *outDefaultConfig = defaultConfig.value();
+        return NO_ERROR;
+    } else if (display->isVirtual()) {
+        return BAD_VALUE;
+    } else {
+        const auto displayId = display->getId();
+        if (!displayId) {
+            return BAD_VALUE;
+        }
+        *outDefaultConfig = getHwComposer().getActiveConfigIndex(*displayId);
+        auto vsyncPeriod = getHwComposer().getActiveConfig(*displayId)->getVsyncPeriod();
+        *outMinRefreshRate = 1e9f / vsyncPeriod;
+        *outMaxRefreshRate = 1e9f / vsyncPeriod;
+        return NO_ERROR;
     }
-
-    return NO_ERROR;
 }
 
 void SurfaceFlinger::SetInputWindowsListener::onSetInputWindowsFinished() {
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 53b8908..ec7f871 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -384,17 +384,6 @@
         void traverseInReverseZOrder(const LayerVector::Visitor& visitor) const;
     };
 
-    struct DesiredDisplayConfigSpecs {
-        int32_t defaultModeId;
-        float minRefreshRate;
-        float maxRefreshRate;
-
-        bool operator==(const DesiredDisplayConfigSpecs& other) const {
-            return defaultModeId == other.defaultModeId && minRefreshRate == other.minRefreshRate &&
-                    maxRefreshRate == other.maxRefreshRate;
-        }
-    };
-
     /* ------------------------------------------------------------------------
      * IBinder interface
      */
@@ -449,6 +438,12 @@
                                        ui::DisplayPrimaries &primaries);
     ui::ColorMode getActiveColorMode(const sp<IBinder>& displayToken) override;
     status_t setActiveColorMode(const sp<IBinder>& displayToken, ui::ColorMode colorMode) override;
+    status_t getAutoLowLatencyModeSupport(const sp<IBinder>& displayToken,
+                                          bool* outSupported) const override;
+    void setAutoLowLatencyMode(const sp<IBinder>& displayToken, bool on) override;
+    status_t getGameContentTypeSupport(const sp<IBinder>& displayToken,
+                                       bool* outSupported) const override;
+    void setGameContentType(const sp<IBinder>& displayToken, bool on) override;
     void setPowerMode(const sp<IBinder>& displayToken, int mode) override;
     status_t setActiveConfig(const sp<IBinder>& displayToken, int id) override;
     status_t clearAnimationFrameStats() override;
@@ -478,14 +473,10 @@
     status_t addRegionSamplingListener(const Rect& samplingArea, const sp<IBinder>& stopLayerHandle,
                                        const sp<IRegionSamplingListener>& listener) override;
     status_t removeRegionSamplingListener(const sp<IRegionSamplingListener>& listener) override;
-    status_t setAllowedDisplayConfigs(const sp<IBinder>& displayToken,
-                                      const std::vector<int32_t>& allowedConfigs) override;
-    status_t getAllowedDisplayConfigs(const sp<IBinder>& displayToken,
-                                      std::vector<int32_t>* outAllowedConfigs) override;
     status_t setDesiredDisplayConfigSpecs(const sp<IBinder>& displayToken, int32_t displayModeId,
                                           float minRefreshRate, float maxRefreshRate) override;
     status_t getDesiredDisplayConfigSpecs(const sp<IBinder>& displayToken,
-                                          int32_t* outDefaultModeId, float* outMinRefreshRate,
+                                          int32_t* outDefaultConfig, float* outMinRefreshRate,
                                           float* outMaxRefreshRate) override;
     status_t getDisplayBrightnessSupport(const sp<IBinder>& displayToken,
                                          bool* outSupport) const override;
@@ -559,10 +550,16 @@
     // called on the main thread in response to setPowerMode()
     void setPowerModeInternal(const sp<DisplayDevice>& display, int mode) REQUIRES(mStateLock);
 
-    // called on the main thread in response to setAllowedDisplayConfigs()
-    void setAllowedDisplayConfigsInternal(const sp<DisplayDevice>& display,
-                                          const std::vector<int32_t>& allowedConfigs)
-            REQUIRES(mStateLock);
+    // Sets the desired display configs.
+    status_t setDesiredDisplayConfigSpecsInternal(const sp<DisplayDevice>& display,
+                                                  HwcConfigIndexType defaultConfig,
+                                                  float minRefreshRate, float maxRefreshRate)
+            EXCLUDES(mStateLock);
+
+    // called on the main thread in response to setAutoLowLatencyMode()
+    void setAutoLowLatencyModeInternal(const sp<IBinder>& displayToken, bool on);
+    // called on the main thread in response to setGameContentType()
+    void setGameContentTypeInternal(const sp<IBinder>& displayToken, bool on);
 
     // Returns whether the transaction actually modified any state
     bool handleMessageTransaction();
@@ -1140,11 +1137,6 @@
 
     std::atomic<nsecs_t> mExpectedPresentTime = 0;
 
-    // All configs are allowed if the set is empty.
-    using DisplayConfigs = std::set<HwcConfigIndexType>;
-    DisplayConfigs mAllowedDisplayConfigs GUARDED_BY(mStateLock);
-    DesiredDisplayConfigSpecs mDesiredDisplayConfigSpecs GUARDED_BY(mStateLock);
-
     std::mutex mActiveConfigLock;
     // This bit is set once we start setting the config. We read from this bit during the
     // process. If at the end, this bit is different than mDesiredActiveConfig, we restart
diff --git a/services/surfaceflinger/tests/Android.bp b/services/surfaceflinger/tests/Android.bp
index ca7e18d..dcfc077 100644
--- a/services/surfaceflinger/tests/Android.bp
+++ b/services/surfaceflinger/tests/Android.bp
@@ -21,7 +21,6 @@
         "CommonTypes_test.cpp",
         "Credentials_test.cpp",
         "DereferenceSurfaceControl_test.cpp",
-        "DisplayActiveConfig_test.cpp",
         "DisplayConfigs_test.cpp",
         "InvalidHandles_test.cpp",
         "LayerCallback_test.cpp",
diff --git a/services/surfaceflinger/tests/DisplayActiveConfig_test.cpp b/services/surfaceflinger/tests/DisplayActiveConfig_test.cpp
deleted file mode 100644
index 2e3b760..0000000
--- a/services/surfaceflinger/tests/DisplayActiveConfig_test.cpp
+++ /dev/null
@@ -1,85 +0,0 @@
-/*
- * Copyright (C) 2019 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.
- */
-
-#include <thread>
-#include "LayerTransactionTest.h"
-namespace android {
-
-using android::hardware::graphics::common::V1_1::BufferUsage;
-
-::testing::Environment* const binderEnv =
-        ::testing::AddGlobalTestEnvironment(new BinderEnvironment());
-
-class DisplayActiveConfigTest : public ::testing::Test {
-protected:
-    void SetUp() override {
-        mDisplayToken = SurfaceComposerClient::getInternalDisplayToken();
-        SurfaceComposerClient::getDisplayConfigs(mDisplayToken, &mDisplayconfigs);
-        EXPECT_GT(mDisplayconfigs.size(), 0);
-
-        // set display power to on to make sure config can be changed
-        SurfaceComposerClient::setDisplayPowerMode(mDisplayToken, HWC_POWER_MODE_NORMAL);
-    }
-
-    sp<IBinder> mDisplayToken;
-    Vector<DisplayInfo> mDisplayconfigs;
-};
-
-TEST_F(DisplayActiveConfigTest, allConfigsAllowed) {
-    std::vector<int32_t> allowedConfigs;
-
-    // Add all configs to the allowed configs
-    for (int i = 0; i < mDisplayconfigs.size(); i++) {
-        allowedConfigs.push_back(i);
-    }
-
-    status_t res = SurfaceComposerClient::setAllowedDisplayConfigs(mDisplayToken, allowedConfigs);
-    EXPECT_EQ(res, NO_ERROR);
-
-    std::vector<int32_t> outConfigs;
-    res = SurfaceComposerClient::getAllowedDisplayConfigs(mDisplayToken, &outConfigs);
-    EXPECT_EQ(res, NO_ERROR);
-    EXPECT_EQ(allowedConfigs, outConfigs);
-}
-
-TEST_F(DisplayActiveConfigTest, changeAllowedConfig) {
-    // we need at least 2 configs available for this test
-    if (mDisplayconfigs.size() <= 1) return;
-
-    int activeConfig = SurfaceComposerClient::getActiveConfig(mDisplayToken);
-
-    // We want to set the allowed config to everything but the active config
-    std::vector<int32_t> allowedConfigs;
-    for (int i = 0; i < mDisplayconfigs.size(); i++) {
-        if (i != activeConfig) {
-            allowedConfigs.push_back(i);
-        }
-    }
-
-    status_t res = SurfaceComposerClient::setAllowedDisplayConfigs(mDisplayToken, allowedConfigs);
-    EXPECT_EQ(res, NO_ERROR);
-
-    // Allow some time for the config change
-    std::this_thread::sleep_for(200ms);
-
-    int newActiveConfig = SurfaceComposerClient::getActiveConfig(mDisplayToken);
-    EXPECT_NE(activeConfig, newActiveConfig);
-
-    // Make sure the new config is part of allowed config
-    EXPECT_TRUE(std::find(allowedConfigs.begin(), allowedConfigs.end(), newActiveConfig) !=
-                allowedConfigs.end());
-}
-} // namespace android
diff --git a/services/surfaceflinger/tests/fakehwc/FakeComposerClient.cpp b/services/surfaceflinger/tests/fakehwc/FakeComposerClient.cpp
index 6d79615..0c370a6 100644
--- a/services/surfaceflinger/tests/fakehwc/FakeComposerClient.cpp
+++ b/services/surfaceflinger/tests/fakehwc/FakeComposerClient.cpp
@@ -760,6 +760,22 @@
     return V2_4::Error::UNSUPPORTED;
 }
 
+V2_4::Error FakeComposerClient::setAutoLowLatencyMode(Display, bool) {
+    ALOGV("setAutoLowLatencyMode");
+    return V2_4::Error::UNSUPPORTED;
+}
+
+V2_4::Error FakeComposerClient::getSupportedContentTypes(
+        Display, std::vector<IComposerClient::ContentType>*) {
+    ALOGV("getSupportedContentTypes");
+    return V2_4::Error::UNSUPPORTED;
+}
+
+V2_4::Error FakeComposerClient::setContentType(Display, IComposerClient::ContentType) {
+    ALOGV("setContentType");
+    return V2_4::Error::UNSUPPORTED;
+}
+
 //////////////////////////////////////////////////////////////////
 
 void FakeComposerClient::requestVSync(uint64_t vsyncTime) {
diff --git a/services/surfaceflinger/tests/fakehwc/FakeComposerClient.h b/services/surfaceflinger/tests/fakehwc/FakeComposerClient.h
index 2a08b9b..f9ff2bf 100644
--- a/services/surfaceflinger/tests/fakehwc/FakeComposerClient.h
+++ b/services/surfaceflinger/tests/fakehwc/FakeComposerClient.h
@@ -246,6 +246,11 @@
             Display display, Config config,
             const V2_4::IComposerClient::VsyncPeriodChangeConstraints& vsyncPeriodChangeConstraints,
             VsyncPeriodChangeTimeline* outTimeline) override;
+    V2_4::Error setAutoLowLatencyMode(Display display, bool on) override;
+    V2_4::Error getSupportedContentTypes(
+            Display display,
+            std::vector<IComposerClient::ContentType>* outSupportedContentTypes) override;
+    V2_4::Error setContentType(Display display, IComposerClient::ContentType type) override;
 
     void setClient(ComposerClient* client);
 
diff --git a/services/surfaceflinger/tests/unittests/RefreshRateConfigsTest.cpp b/services/surfaceflinger/tests/unittests/RefreshRateConfigsTest.cpp
index 546e65c..ed620ef 100644
--- a/services/surfaceflinger/tests/unittests/RefreshRateConfigsTest.cpp
+++ b/services/surfaceflinger/tests/unittests/RefreshRateConfigsTest.cpp
@@ -79,6 +79,16 @@
     ASSERT_FALSE(refreshRateConfigs->refreshRateSwitchingSupported());
 }
 
+TEST_F(RefreshRateConfigsTest, invalidPolicy) {
+    std::vector<RefreshRateConfigs::InputConfig> configs{
+            {{HWC_CONFIG_ID_60, HWC_GROUP_ID_0, VSYNC_60}}};
+    auto refreshRateConfigs =
+            std::make_unique<RefreshRateConfigs>(/*refreshRateSwitching=*/true, configs,
+                                                 /*currentConfigId=*/HWC_CONFIG_ID_60);
+    ASSERT_LT(refreshRateConfigs->setPolicy(HwcConfigIndexType(10), 60, 60, nullptr), 0);
+    ASSERT_LT(refreshRateConfigs->setPolicy(HWC_CONFIG_ID_60, 20, 40, nullptr), 0);
+}
+
 TEST_F(RefreshRateConfigsTest, twoDeviceConfigs_storesFullRefreshRateMap) {
     std::vector<RefreshRateConfigs::InputConfig> configs{
             {{HWC_CONFIG_ID_60, HWC_GROUP_ID_0, VSYNC_60},
@@ -123,7 +133,7 @@
     ASSERT_EQ(expectedDefaultConfig, minRate60);
     ASSERT_EQ(expectedDefaultConfig, performanceRate60);
 
-    refreshRateConfigs->setPolicy(HWC_CONFIG_ID_90, 60, 90);
+    ASSERT_GE(refreshRateConfigs->setPolicy(HWC_CONFIG_ID_90, 60, 90, nullptr), 0);
     refreshRateConfigs->setCurrentConfigId(HWC_CONFIG_ID_90);
 
     ASSERT_TRUE(refreshRateConfigs->refreshRateSwitchingSupported());
@@ -154,7 +164,7 @@
                                              90};
     ASSERT_EQ(expectedPerformanceConfig, performanceRate);
 
-    refreshRateConfigs->setPolicy(HWC_CONFIG_ID_60, 60, 60);
+    ASSERT_GE(refreshRateConfigs->setPolicy(HWC_CONFIG_ID_60, 60, 60, nullptr), 0);
     ASSERT_TRUE(refreshRateConfigs->refreshRateSwitchingSupported());
 
     auto minRate60 = refreshRateConfigs->getMinRefreshRateByPolicy();
@@ -181,7 +191,7 @@
         EXPECT_EQ(current.configId, HWC_CONFIG_ID_90);
     }
 
-    refreshRateConfigs->setPolicy(HWC_CONFIG_ID_60, 90, 90);
+    ASSERT_GE(refreshRateConfigs->setPolicy(HWC_CONFIG_ID_90, 90, 90, nullptr), 0);
     {
         auto current = refreshRateConfigs->getCurrentRefreshRate();
         EXPECT_EQ(current.configId, HWC_CONFIG_ID_90);
@@ -207,20 +217,20 @@
     ASSERT_EQ(expected60Config, refreshRateConfigs->getRefreshRateForContent(30.0f));
     ASSERT_EQ(expected60Config, refreshRateConfigs->getRefreshRateForContent(24.0f));
 
-    refreshRateConfigs->setPolicy(HWC_CONFIG_ID_60, 60, 60);
+    ASSERT_GE(refreshRateConfigs->setPolicy(HWC_CONFIG_ID_60, 60, 60, nullptr), 0);
     ASSERT_EQ(expected60Config, refreshRateConfigs->getRefreshRateForContent(90.0f));
     ASSERT_EQ(expected60Config, refreshRateConfigs->getRefreshRateForContent(60.0f));
     ASSERT_EQ(expected60Config, refreshRateConfigs->getRefreshRateForContent(45.0f));
     ASSERT_EQ(expected60Config, refreshRateConfigs->getRefreshRateForContent(30.0f));
     ASSERT_EQ(expected60Config, refreshRateConfigs->getRefreshRateForContent(24.0f));
 
-    refreshRateConfigs->setPolicy(HWC_CONFIG_ID_60, 90, 90);
+    ASSERT_GE(refreshRateConfigs->setPolicy(HWC_CONFIG_ID_90, 90, 90, nullptr), 0);
     ASSERT_EQ(expected90Config, refreshRateConfigs->getRefreshRateForContent(90.0f));
     ASSERT_EQ(expected90Config, refreshRateConfigs->getRefreshRateForContent(60.0f));
     ASSERT_EQ(expected90Config, refreshRateConfigs->getRefreshRateForContent(45.0f));
     ASSERT_EQ(expected90Config, refreshRateConfigs->getRefreshRateForContent(30.0f));
     ASSERT_EQ(expected90Config, refreshRateConfigs->getRefreshRateForContent(24.0f));
-    refreshRateConfigs->setPolicy(HWC_CONFIG_ID_60, 0, 120);
+    ASSERT_GE(refreshRateConfigs->setPolicy(HWC_CONFIG_ID_60, 0, 120, nullptr), 0);
     ASSERT_EQ(expected90Config, refreshRateConfigs->getRefreshRateForContent(90.0f));
     ASSERT_EQ(expected60Config, refreshRateConfigs->getRefreshRateForContent(60.0f));
     ASSERT_EQ(expected90Config, refreshRateConfigs->getRefreshRateForContent(45.0f));
diff --git a/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockComposer.h b/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockComposer.h
index 2453ccb..0f9dd5b 100644
--- a/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockComposer.h
+++ b/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockComposer.h
@@ -130,6 +130,10 @@
     MOCK_METHOD4(setActiveConfigWithConstraints,
                  V2_4::Error(Display, Config, const IComposerClient::VsyncPeriodChangeConstraints&,
                              VsyncPeriodChangeTimeline*));
+    MOCK_METHOD2(setAutoLowLatencyMode, V2_4::Error(Display, bool));
+    MOCK_METHOD2(getSupportedContentTypes,
+                 V2_4::Error(Display, std::vector<IComposerClient::ContentType>*));
+    MOCK_METHOD2(setContentType, V2_4::Error(Display, IComposerClient::ContentType));
 };
 
 } // namespace mock