Merge "SF: Move/Refactor prepareFrame to CompositionEngine"
diff --git a/cmds/dumpstate/tests/dumpstate_smoke_test.cpp b/cmds/dumpstate/tests/dumpstate_smoke_test.cpp
index 5bde7db..f7acaf1 100644
--- a/cmds/dumpstate/tests/dumpstate_smoke_test.cpp
+++ b/cmds/dumpstate/tests/dumpstate_smoke_test.cpp
@@ -14,20 +14,21 @@
  * limitations under the License.
  */
 
-#include <gmock/gmock.h>
-#include <gtest/gtest.h>
-
-#include <fcntl.h>
-#include <libgen.h>
-
 #include <android-base/file.h>
 #include <android/os/BnDumpstate.h>
 #include <android/os/BnDumpstateListener.h>
 #include <binder/IServiceManager.h>
 #include <binder/ProcessState.h>
 #include <cutils/properties.h>
+#include <fcntl.h>
+#include <gmock/gmock.h>
+#include <gtest/gtest.h>
+#include <libgen.h>
 #include <ziparchive/zip_archive.h>
 
+#include <fstream>
+#include <regex>
+
 #include "dumpstate.h"
 
 #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
@@ -44,6 +45,11 @@
 
 namespace {
 
+struct SectionInfo {
+    std::string name;
+    int32_t size_bytes;
+};
+
 sp<IDumpstate> GetDumpstateService() {
     return android::interface_cast<IDumpstate>(
         android::defaultServiceManager()->getService(String16("dumpstate")));
@@ -55,14 +61,79 @@
                                    S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH));
 }
 
-}  // namespace
+void GetEntry(const ZipArchiveHandle archive, const std::string_view entry_name, ZipEntry* data) {
+    int32_t e = FindEntry(archive, entry_name, data);
+    EXPECT_EQ(e, 0) << ErrorCodeString(e) << " entry name: " << entry_name;
+}
 
-struct SectionInfo {
-    std::string name;
-    status_t status;
-    int32_t size_bytes;
-    int32_t duration_ms;
-};
+// Extracts the main bugreport txt from the given archive and writes into output_fd.
+void ExtractBugreport(const ZipArchiveHandle* handle, int output_fd) {
+    // Read contents of main_entry.txt which is a single line indicating the name of the zip entry
+    // that contains the main bugreport txt.
+    ZipEntry main_entry;
+    GetEntry(*handle, "main_entry.txt", &main_entry);
+    std::string bugreport_txt_name;
+    bugreport_txt_name.resize(main_entry.uncompressed_length);
+    ExtractToMemory(*handle, &main_entry, reinterpret_cast<uint8_t*>(bugreport_txt_name.data()),
+                    main_entry.uncompressed_length);
+
+    // Read the main bugreport txt and extract to output_fd.
+    ZipEntry entry;
+    GetEntry(*handle, bugreport_txt_name, &entry);
+    ExtractEntryToFile(*handle, &entry, output_fd);
+}
+
+bool IsSectionStart(const std::string& line, std::string* section_name) {
+    static const std::regex kSectionStart = std::regex{"DUMP OF SERVICE (.*):"};
+    std::smatch match;
+    if (std::regex_match(line, match, kSectionStart)) {
+        *section_name = match.str(1);
+        return true;
+    }
+    return false;
+}
+
+bool IsSectionEnd(const std::string& line) {
+    // Not all lines that contain "was the duration of" is a section end, but all section ends do
+    // contain "was the duration of". The disambiguation can be done by the caller.
+    return (line.find("was the duration of") != std::string::npos);
+}
+
+// Extracts the zipped bugreport and identifies the sections.
+void ParseSections(const std::string& zip_path, std::vector<SectionInfo>* sections) {
+    // Open the archive
+    ZipArchiveHandle handle;
+    ASSERT_EQ(OpenArchive(zip_path.c_str(), &handle), 0);
+
+    // Extract the main entry to a temp file
+    TemporaryFile tmp_binary;
+    ASSERT_NE(-1, tmp_binary.fd);
+    ExtractBugreport(&handle, tmp_binary.fd);
+
+    // Read line by line and identify sections
+    std::ifstream ifs(tmp_binary.path, std::ifstream::in);
+    std::string line;
+    int section_bytes = 0;
+    std::string current_section_name;
+    while (std::getline(ifs, line)) {
+        std::string section_name;
+        if (IsSectionStart(line, &section_name)) {
+            section_bytes = 0;
+            current_section_name = section_name;
+        } else if (IsSectionEnd(line)) {
+            if (!current_section_name.empty()) {
+                sections->push_back({current_section_name, section_bytes});
+            }
+            current_section_name = "";
+        } else if (!current_section_name.empty()) {
+            section_bytes += line.length();
+        }
+    }
+
+    CloseArchive(handle);
+}
+
+}  // namespace
 
 /**
  * Listens to bugreport progress and updates the user by writing the progress to STDOUT. All the
@@ -107,11 +178,11 @@
         return binder::Status::ok();
     }
 
-    binder::Status onSectionComplete(const ::std::string& name, int32_t status, int32_t size_bytes,
-                                     int32_t duration_ms) override {
+    binder::Status onSectionComplete(const ::std::string& name, int32_t, int32_t size_bytes,
+                                     int32_t) override {
         std::lock_guard<std::mutex> lock(lock_);
         if (sections_.get() != nullptr) {
-            sections_->push_back({name, status, size_bytes, duration_ms});
+            sections_->push_back({name, size_bytes});
         }
         return binder::Status::ok();
     }
@@ -208,29 +279,30 @@
 
     void FileExists(const char* filename, uint32_t minsize, uint32_t maxsize) {
         ZipEntry entry;
-        EXPECT_EQ(FindEntry(handle, filename, &entry), 0);
+        GetEntry(handle, filename, &entry);
         EXPECT_GT(entry.uncompressed_length, minsize);
         EXPECT_LT(entry.uncompressed_length, maxsize);
     }
 };
 
 TEST_F(ZippedBugReportContentsTest, ContainsMainEntry) {
-    ZipEntry mainEntryLoc;
+    ZipEntry main_entry;
     // contains main entry name file
-    EXPECT_EQ(FindEntry(handle, "main_entry.txt", &mainEntryLoc), 0);
+    GetEntry(handle, "main_entry.txt", &main_entry);
 
-    char* buf = new char[mainEntryLoc.uncompressed_length];
-    ExtractToMemory(handle, &mainEntryLoc, (uint8_t*)buf, mainEntryLoc.uncompressed_length);
-    delete[] buf;
+    std::string bugreport_txt_name;
+    bugreport_txt_name.resize(main_entry.uncompressed_length);
+    ExtractToMemory(handle, &main_entry, reinterpret_cast<uint8_t*>(bugreport_txt_name.data()),
+                    main_entry.uncompressed_length);
 
     // contains main entry file
-    FileExists(buf, 1000000U, 50000000U);
+    FileExists(bugreport_txt_name.c_str(), 1000000U, 50000000U);
 }
 
 TEST_F(ZippedBugReportContentsTest, ContainsVersion) {
     ZipEntry entry;
     // contains main entry name file
-    EXPECT_EQ(FindEntry(handle, "version.txt", &entry), 0);
+    GetEntry(handle, "version.txt", &entry);
 
     char* buf = new char[entry.uncompressed_length + 1];
     ExtractToMemory(handle, &entry, (uint8_t*)buf, entry.uncompressed_length);
@@ -244,6 +316,10 @@
     FileExists("dumpstate_board.txt", 100000U, 1000000U);
 }
 
+TEST_F(ZippedBugReportContentsTest, ContainsProtoFile) {
+    FileExists("proto/activity.proto", 100000U, 1000000U);
+}
+
 // Spot check on some files pulled from the file system
 TEST_F(ZippedBugReportContentsTest, ContainsSomeFileSystemFiles) {
     // FS/proc/*/mountinfo size > 0
@@ -258,6 +334,11 @@
  */
 class BugreportSectionTest : public Test {
   public:
+    static void SetUpTestCase() {
+        ParseSections(ZippedBugreportGenerationTest::getZipFilePath(),
+                      ZippedBugreportGenerationTest::sections.get());
+    }
+
     int numMatches(const std::string& substring) {
         int matches = 0;
         for (auto const& section : *ZippedBugreportGenerationTest::sections) {
@@ -267,10 +348,11 @@
         }
         return matches;
     }
+
     void SectionExists(const std::string& sectionName, int minsize) {
         for (auto const& section : *ZippedBugreportGenerationTest::sections) {
             if (sectionName == section.name) {
-                EXPECT_GE(section.size_bytes, minsize);
+                EXPECT_GE(section.size_bytes, minsize) << " for section:" << sectionName;
                 return;
             }
         }
@@ -278,71 +360,59 @@
     }
 };
 
-// Test all sections are generated without timeouts or errors
-TEST_F(BugreportSectionTest, GeneratedWithoutErrors) {
-    for (auto const& section : *ZippedBugreportGenerationTest::sections) {
-        EXPECT_EQ(section.status, 0) << section.name << " failed with status " << section.status;
-    }
-}
-
 TEST_F(BugreportSectionTest, Atleast3CriticalDumpsysSectionsGenerated) {
-    int numSections = numMatches("DUMPSYS CRITICAL");
+    int numSections = numMatches("CRITICAL");
     EXPECT_GE(numSections, 3);
 }
 
 TEST_F(BugreportSectionTest, Atleast2HighDumpsysSectionsGenerated) {
-    int numSections = numMatches("DUMPSYS HIGH");
+    int numSections = numMatches("HIGH");
     EXPECT_GE(numSections, 2);
 }
 
 TEST_F(BugreportSectionTest, Atleast50NormalDumpsysSectionsGenerated) {
-    int allSections = numMatches("DUMPSYS");
-    int criticalSections = numMatches("DUMPSYS CRITICAL");
-    int highSections = numMatches("DUMPSYS HIGH");
+    int allSections = ZippedBugreportGenerationTest::sections->size();
+    int criticalSections = numMatches("CRITICAL");
+    int highSections = numMatches("HIGH");
     int normalSections = allSections - criticalSections - highSections;
 
     EXPECT_GE(normalSections, 50) << "Total sections less than 50 (Critical:" << criticalSections
                                   << "High:" << highSections << "Normal:" << normalSections << ")";
 }
 
-TEST_F(BugreportSectionTest, Atleast1ProtoDumpsysSectionGenerated) {
-    int numSections = numMatches("proto/");
-    EXPECT_GE(numSections, 1);
-}
-
 // Test if some critical sections are being generated.
 TEST_F(BugreportSectionTest, CriticalSurfaceFlingerSectionGenerated) {
-    SectionExists("DUMPSYS CRITICAL - SurfaceFlinger", /* bytes= */ 10000);
+    SectionExists("CRITICAL SurfaceFlinger", /* bytes= */ 10000);
 }
 
 TEST_F(BugreportSectionTest, ActivitySectionsGenerated) {
-    SectionExists("DUMPSYS CRITICAL - activity", /* bytes= */ 5000);
-    SectionExists("DUMPSYS - activity", /* bytes= */ 10000);
+    SectionExists("CRITICAL activity", /* bytes= */ 5000);
+    SectionExists("activity", /* bytes= */ 10000);
 }
 
 TEST_F(BugreportSectionTest, CpuinfoSectionGenerated) {
-    SectionExists("DUMPSYS CRITICAL - cpuinfo", /* bytes= */ 1000);
+    SectionExists("CRITICAL cpuinfo", /* bytes= */ 1000);
 }
 
 TEST_F(BugreportSectionTest, WindowSectionGenerated) {
-    SectionExists("DUMPSYS CRITICAL - window", /* bytes= */ 20000);
+    SectionExists("CRITICAL window", /* bytes= */ 20000);
 }
 
 TEST_F(BugreportSectionTest, ConnectivitySectionsGenerated) {
-    SectionExists("DUMPSYS HIGH - connectivity", /* bytes= */ 5000);
-    SectionExists("DUMPSYS - connectivity", /* bytes= */ 5000);
+    SectionExists("HIGH connectivity", /* bytes= */ 3000);
+    SectionExists("connectivity", /* bytes= */ 5000);
 }
 
 TEST_F(BugreportSectionTest, MeminfoSectionGenerated) {
-    SectionExists("DUMPSYS HIGH - meminfo", /* bytes= */ 100000);
+    SectionExists("HIGH meminfo", /* bytes= */ 100000);
 }
 
 TEST_F(BugreportSectionTest, BatteryStatsSectionGenerated) {
-    SectionExists("DUMPSYS - batterystats", /* bytes= */ 1000);
+    SectionExists("batterystats", /* bytes= */ 1000);
 }
 
 TEST_F(BugreportSectionTest, WifiSectionGenerated) {
-    SectionExists("DUMPSYS - wifi", /* bytes= */ 100000);
+    SectionExists("wifi", /* bytes= */ 100000);
 }
 
 class DumpstateBinderTest : public Test {
diff --git a/libs/binder/Parcel.cpp b/libs/binder/Parcel.cpp
index d786b84..6bd97d58 100644
--- a/libs/binder/Parcel.cpp
+++ b/libs/binder/Parcel.cpp
@@ -494,6 +494,12 @@
     }
 }
 
+#ifdef __ANDROID_VNDK__
+constexpr int32_t kHeader = B_PACK_CHARS('V', 'N', 'D', 'R');
+#else
+constexpr int32_t kHeader = B_PACK_CHARS('S', 'Y', 'S', 'T');
+#endif
+
 // Write RPC headers.  (previously just the interface token)
 status_t Parcel::writeInterfaceToken(const String16& interface)
 {
@@ -502,6 +508,7 @@
     updateWorkSourceRequestHeaderPosition();
     writeInt32(threadState->shouldPropagateWorkSource() ?
             threadState->getCallingWorkSourceUid() : IPCThreadState::kUnsetWorkSource);
+    writeInt32(kHeader);
     // currently the interface identification token is just its name as a string
     return writeString16(interface);
 }
@@ -559,6 +566,12 @@
     updateWorkSourceRequestHeaderPosition();
     int32_t workSource = readInt32();
     threadState->setCallingWorkSourceUidWithoutPropagation(workSource);
+    // vendor header
+    int32_t header = readInt32();
+    if (header != kHeader) {
+        ALOGE("Expecting header 0x%x but found 0x%x. Mixing copies of libbinder?", kHeader, header);
+        return false;
+    }
     // Interface descriptor.
     const String16 str(readString16());
     if (str == interface) {
diff --git a/libs/sensor/ISensorServer.cpp b/libs/sensor/ISensorServer.cpp
index 5200545..8ed09f8 100644
--- a/libs/sensor/ISensorServer.cpp
+++ b/libs/sensor/ISensorServer.cpp
@@ -199,6 +199,10 @@
             int32_t type = data.readInt32();
             int32_t format = data.readInt32();
             native_handle_t *resource = data.readNativeHandle();
+            // Avoid a crash in native_handle_close if resource is nullptr
+            if (resource == nullptr) {
+                return BAD_VALUE;
+            }
             sp<ISensorEventConnection> ch =
                     createSensorDirectConnection(opPackageName, size, type, format, resource);
             native_handle_close(resource);
diff --git a/libs/vr/libdisplay/include/private/dvr/display_protocol.h b/libs/vr/libdisplay/include/private/dvr/display_protocol.h
index 3786d1d..861dc6c 100644
--- a/libs/vr/libdisplay/include/private/dvr/display_protocol.h
+++ b/libs/vr/libdisplay/include/private/dvr/display_protocol.h
@@ -191,7 +191,8 @@
 enum class ConfigFileType : uint32_t {
   kLensMetrics,
   kDeviceMetrics,
-  kDeviceConfiguration
+  kDeviceConfiguration,
+  kDeviceEdid
 };
 
 struct DisplayProtocol {
diff --git a/libs/vr/libdvr/include/dvr/dvr_api.h b/libs/vr/libdvr/include/dvr/dvr_api.h
index e383bb2..b7abb99 100644
--- a/libs/vr/libdvr/include/dvr/dvr_api.h
+++ b/libs/vr/libdvr/include/dvr/dvr_api.h
@@ -85,6 +85,8 @@
   DVR_CONFIGURATION_DATA_DEVICE_METRICS = 1,
   // Request the per device configuration data file.
   DVR_CONFIGURATION_DATA_DEVICE_CONFIG = 2,
+  // Request the edid data for the display.
+  DVR_CONFIGURATION_DATA_DEVICE_EDID = 3,
 };
 
 // dvr_display_manager.h
diff --git a/libs/vr/libvrflinger/display_service.cpp b/libs/vr/libvrflinger/display_service.cpp
index 87162c0..8980a92 100644
--- a/libs/vr/libvrflinger/display_service.cpp
+++ b/libs/vr/libvrflinger/display_service.cpp
@@ -44,6 +44,18 @@
            Endpoint::Create(display::DisplayProtocol::kClientPath)) {
     hardware_composer_.Initialize(
         hidl, primary_display_id, request_display_callback);
+
+    uint8_t port;
+    const auto error = hidl->getDisplayIdentificationData(
+        primary_display_id, &port, &display_identification_data_);
+    if (error != android::hardware::graphics::composer::V2_1::Error::NONE) {
+      if (error !=
+          android::hardware::graphics::composer::V2_1::Error::UNSUPPORTED) {
+        ALOGI("DisplayService: identification data error\n");
+      } else {
+        ALOGI("DisplayService: identification data unsupported\n");
+      }
+    }
 }
 
 bool DisplayService::IsInitialized() const {
@@ -204,6 +216,12 @@
     case display::ConfigFileType::kDeviceConfiguration:
       property_name = kDvrDeviceConfigProperty;
       break;
+    case display::ConfigFileType::kDeviceEdid:
+      if (display_identification_data_.size() == 0) {
+        return ErrorStatus(ENOENT);
+      }
+      return std::string(display_identification_data_.begin(),
+                         display_identification_data_.end());
     default:
       return ErrorStatus(EINVAL);
   }
diff --git a/libs/vr/libvrflinger/display_service.h b/libs/vr/libvrflinger/display_service.h
index e0f2edd..d45a61f 100644
--- a/libs/vr/libvrflinger/display_service.h
+++ b/libs/vr/libvrflinger/display_service.h
@@ -18,6 +18,8 @@
 #include "epoll_event_dispatcher.h"
 #include "hardware_composer.h"
 
+#include "DisplayHardware/DisplayIdentification.h"
+
 namespace android {
 namespace dvr {
 
@@ -117,6 +119,8 @@
 
   DisplayService(const DisplayService&) = delete;
   void operator=(const DisplayService&) = delete;
+
+  DisplayIdentificationData display_identification_data_;
 };
 
 }  // namespace dvr
diff --git a/services/inputflinger/InputDispatcher.cpp b/services/inputflinger/InputDispatcher.cpp
index fc40eaf..019815c 100644
--- a/services/inputflinger/InputDispatcher.cpp
+++ b/services/inputflinger/InputDispatcher.cpp
@@ -4237,53 +4237,55 @@
 void InputDispatcher::doDispatchCycleFinishedLockedInterruptible(
         CommandEntry* commandEntry) {
     sp<Connection> connection = commandEntry->connection;
-    nsecs_t finishTime = commandEntry->eventTime;
+    const nsecs_t finishTime = commandEntry->eventTime;
     uint32_t seq = commandEntry->seq;
-    bool handled = commandEntry->handled;
+    const bool handled = commandEntry->handled;
 
     // Handle post-event policy actions.
     DispatchEntry* dispatchEntry = connection->findWaitQueueEntry(seq);
-    if (dispatchEntry) {
-        nsecs_t eventDuration = finishTime - dispatchEntry->deliveryTime;
-        if (eventDuration > SLOW_EVENT_PROCESSING_WARNING_TIMEOUT) {
-            std::string msg =
-                    StringPrintf("Window '%s' spent %0.1fms processing the last input event: ",
-                    connection->getWindowName().c_str(), eventDuration * 0.000001f);
-            dispatchEntry->eventEntry->appendDescription(msg);
-            ALOGI("%s", msg.c_str());
-        }
-
-        bool restartEvent;
-        if (dispatchEntry->eventEntry->type == EventEntry::TYPE_KEY) {
-            KeyEntry* keyEntry = static_cast<KeyEntry*>(dispatchEntry->eventEntry);
-            restartEvent = afterKeyEventLockedInterruptible(connection,
-                    dispatchEntry, keyEntry, handled);
-        } else if (dispatchEntry->eventEntry->type == EventEntry::TYPE_MOTION) {
-            MotionEntry* motionEntry = static_cast<MotionEntry*>(dispatchEntry->eventEntry);
-            restartEvent = afterMotionEventLockedInterruptible(connection,
-                    dispatchEntry, motionEntry, handled);
-        } else {
-            restartEvent = false;
-        }
-
-        // Dequeue the event and start the next cycle.
-        // Note that because the lock might have been released, it is possible that the
-        // contents of the wait queue to have been drained, so we need to double-check
-        // a few things.
-        if (dispatchEntry == connection->findWaitQueueEntry(seq)) {
-            connection->waitQueue.dequeue(dispatchEntry);
-            traceWaitQueueLength(connection);
-            if (restartEvent && connection->status == Connection::STATUS_NORMAL) {
-                connection->outboundQueue.enqueueAtHead(dispatchEntry);
-                traceOutboundQueueLength(connection);
-            } else {
-                releaseDispatchEntry(dispatchEntry);
-            }
-        }
-
-        // Start the next dispatch cycle for this connection.
-        startDispatchCycleLocked(now(), connection);
+    if (!dispatchEntry) {
+        return;
     }
+
+    nsecs_t eventDuration = finishTime - dispatchEntry->deliveryTime;
+    if (eventDuration > SLOW_EVENT_PROCESSING_WARNING_TIMEOUT) {
+        std::string msg =
+                StringPrintf("Window '%s' spent %0.1fms processing the last input event: ",
+                             connection->getWindowName().c_str(), eventDuration * 0.000001f);
+        dispatchEntry->eventEntry->appendDescription(msg);
+        ALOGI("%s", msg.c_str());
+    }
+
+    bool restartEvent;
+    if (dispatchEntry->eventEntry->type == EventEntry::TYPE_KEY) {
+        KeyEntry* keyEntry = static_cast<KeyEntry*>(dispatchEntry->eventEntry);
+        restartEvent =
+                afterKeyEventLockedInterruptible(connection, dispatchEntry, keyEntry, handled);
+    } else if (dispatchEntry->eventEntry->type == EventEntry::TYPE_MOTION) {
+        MotionEntry* motionEntry = static_cast<MotionEntry*>(dispatchEntry->eventEntry);
+        restartEvent = afterMotionEventLockedInterruptible(connection, dispatchEntry, motionEntry,
+                                                           handled);
+    } else {
+        restartEvent = false;
+    }
+
+    // Dequeue the event and start the next cycle.
+    // Note that because the lock might have been released, it is possible that the
+    // contents of the wait queue to have been drained, so we need to double-check
+    // a few things.
+    if (dispatchEntry == connection->findWaitQueueEntry(seq)) {
+        connection->waitQueue.dequeue(dispatchEntry);
+        traceWaitQueueLength(connection);
+        if (restartEvent && connection->status == Connection::STATUS_NORMAL) {
+            connection->outboundQueue.enqueueAtHead(dispatchEntry);
+            traceOutboundQueueLength(connection);
+        } else {
+            releaseDispatchEntry(dispatchEntry);
+        }
+    }
+
+    // Start the next dispatch cycle for this connection.
+    startDispatchCycleLocked(now(), connection);
 }
 
 bool InputDispatcher::afterKeyEventLockedInterruptible(const sp<Connection>& connection,
diff --git a/services/surfaceflinger/Scheduler/Scheduler.cpp b/services/surfaceflinger/Scheduler/Scheduler.cpp
index 7acb470..952643c 100644
--- a/services/surfaceflinger/Scheduler/Scheduler.cpp
+++ b/services/surfaceflinger/Scheduler/Scheduler.cpp
@@ -89,12 +89,13 @@
         if (mSupportKernelTimer) {
             mIdleTimer = std::make_unique<scheduler::OneShotTimer>(
                     std::chrono::milliseconds(mSetIdleTimerMs),
-                    [this] { resetKernelTimerCallback(); },
-                    [this] { expiredKernelTimerCallback(); });
+                    [this] { kernelIdleTimerCallback(TimerState::Reset); },
+                    [this] { kernelIdleTimerCallback(TimerState::Expired); });
         } else {
             mIdleTimer = std::make_unique<scheduler::OneShotTimer>(
-                    std::chrono::milliseconds(mSetIdleTimerMs), [this] { resetTimerCallback(); },
-                    [this] { expiredTimerCallback(); });
+                    std::chrono::milliseconds(mSetIdleTimerMs),
+                    [this] { idleTimerCallback(TimerState::Reset); },
+                    [this] { idleTimerCallback(TimerState::Expired); });
         }
         mIdleTimer->start();
     }
@@ -102,16 +103,17 @@
     if (mSetTouchTimerMs > 0) {
         // Touch events are coming to SF every 100ms, so the timer needs to be higher than that
         mTouchTimer = std::make_unique<scheduler::OneShotTimer>(
-                std::chrono::milliseconds(mSetTouchTimerMs), [this] { resetTouchTimerCallback(); },
-                [this] { expiredTouchTimerCallback(); });
+                std::chrono::milliseconds(mSetTouchTimerMs),
+                [this] { touchTimerCallback(TimerState::Reset); },
+                [this] { touchTimerCallback(TimerState::Expired); });
         mTouchTimer->start();
     }
 
     if (mSetDisplayPowerTimerMs > 0) {
         mDisplayPowerTimer = std::make_unique<scheduler::OneShotTimer>(
                 std::chrono::milliseconds(mSetDisplayPowerTimerMs),
-                [this] { resetDisplayPowerTimerCallback(); },
-                [this] { expiredDisplayPowerTimerCallback(); });
+                [this] { displayPowerTimerCallback(TimerState::Reset); },
+                [this] { displayPowerTimerCallback(TimerState::Expired); });
         mDisplayPowerTimer->start();
     }
 }
@@ -363,23 +365,22 @@
     RefreshRateType newRefreshRateType;
     {
         std::lock_guard<std::mutex> lock(mFeatureStateLock);
-        if (mContentRefreshRate == refreshRateRound && mIsHDRContent == isHDR) {
+        if (mFeatures.contentRefreshRate == refreshRateRound && mFeatures.isHDRContent == isHDR) {
             return;
         }
-        mContentRefreshRate = refreshRateRound;
-        ATRACE_INT("ContentFPS", mContentRefreshRate);
+        mFeatures.contentRefreshRate = refreshRateRound;
+        ATRACE_INT("ContentFPS", refreshRateRound);
 
-        mIsHDRContent = isHDR;
-        ATRACE_INT("ContentHDR", mIsHDRContent);
+        mFeatures.isHDRContent = isHDR;
+        ATRACE_INT("ContentHDR", isHDR);
 
-        mCurrentContentFeatureState = refreshRateRound > 0
-                ? ContentFeatureState::CONTENT_DETECTION_ON
-                : ContentFeatureState::CONTENT_DETECTION_OFF;
+        mFeatures.contentDetection =
+                refreshRateRound > 0 ? ContentDetectionState::On : ContentDetectionState::Off;
         newRefreshRateType = calculateRefreshRateType();
-        if (mRefreshRateType == newRefreshRateType) {
+        if (mFeatures.refreshRateType == newRefreshRateType) {
             return;
         }
-        mRefreshRateType = newRefreshRateType;
+        mFeatures.refreshRateType = newRefreshRateType;
     }
     changeRefreshRate(newRefreshRateType, ConfigEvent::Changed);
 }
@@ -433,7 +434,7 @@
 void Scheduler::setDisplayPowerState(bool normal) {
     {
         std::lock_guard<std::mutex> lock(mFeatureStateLock);
-        mIsDisplayPowerStateNormal = normal;
+        mFeatures.isDisplayPowerStateNormal = normal;
     }
 
     if (mDisplayPowerTimer) {
@@ -445,60 +446,41 @@
     mLayerHistory.clearHistory();
 }
 
-void Scheduler::resetTimerCallback() {
-    handleTimerStateChanged(&mCurrentIdleTimerState, IdleTimerState::RESET, false);
-    ATRACE_INT("ExpiredIdleTimer", 0);
-}
+void Scheduler::kernelIdleTimerCallback(TimerState state) {
+    ATRACE_INT("ExpiredKernelIdleTimer", static_cast<int>(state));
 
-void Scheduler::resetKernelTimerCallback() {
-    ATRACE_INT("ExpiredKernelIdleTimer", 0);
     std::lock_guard<std::mutex> lock(mCallbackLock);
-    if (mGetVsyncPeriod && mGetCurrentRefreshRateTypeCallback) {
+    if (!mGetCurrentRefreshRateTypeCallback || !mGetVsyncPeriod) return;
+
+    const auto type = mGetCurrentRefreshRateTypeCallback();
+    if (state == TimerState::Reset && type == RefreshRateType::PERFORMANCE) {
         // If we're not in performance mode then the kernel timer shouldn't do
         // anything, as the refresh rate during DPU power collapse will be the
         // same.
-        if (mGetCurrentRefreshRateTypeCallback() == Scheduler::RefreshRateType::PERFORMANCE) {
-            resyncToHardwareVsync(true, mGetVsyncPeriod());
-        }
+        resyncToHardwareVsync(true /* makeAvailable */, mGetVsyncPeriod());
+    } else if (state == TimerState::Expired && type != RefreshRateType::PERFORMANCE) {
+        // Disable HW VSYNC if the timer expired, as we don't need it enabled if
+        // we're not pushing frames, and if we're in PERFORMANCE mode then we'll
+        // need to update the DispSync model anyway.
+        disableHardwareVsync(false /* makeUnavailable */);
     }
 }
 
-void Scheduler::expiredTimerCallback() {
-    handleTimerStateChanged(&mCurrentIdleTimerState, IdleTimerState::EXPIRED, false);
-    ATRACE_INT("ExpiredIdleTimer", 1);
+void Scheduler::idleTimerCallback(TimerState state) {
+    handleTimerStateChanged(&mFeatures.idleTimer, state, false /* eventOnContentDetection */);
+    ATRACE_INT("ExpiredIdleTimer", static_cast<int>(state));
 }
 
-void Scheduler::resetTouchTimerCallback() {
-    handleTimerStateChanged(&mCurrentTouchState, TouchState::ACTIVE, true);
-    ATRACE_INT("TouchState", 1);
+void Scheduler::touchTimerCallback(TimerState state) {
+    const TouchState touch = state == TimerState::Reset ? TouchState::Active : TouchState::Inactive;
+    handleTimerStateChanged(&mFeatures.touch, touch, true /* eventOnContentDetection */);
+    ATRACE_INT("TouchState", static_cast<int>(touch));
 }
 
-void Scheduler::expiredTouchTimerCallback() {
-    handleTimerStateChanged(&mCurrentTouchState, TouchState::INACTIVE, true);
-    ATRACE_INT("TouchState", 0);
-}
-
-void Scheduler::resetDisplayPowerTimerCallback() {
-    handleTimerStateChanged(&mDisplayPowerTimerState, DisplayPowerTimerState::RESET, true);
-    ATRACE_INT("ExpiredDisplayPowerTimer", 0);
-}
-
-void Scheduler::expiredDisplayPowerTimerCallback() {
-    handleTimerStateChanged(&mDisplayPowerTimerState, DisplayPowerTimerState::EXPIRED, true);
-    ATRACE_INT("ExpiredDisplayPowerTimer", 1);
-}
-
-void Scheduler::expiredKernelTimerCallback() {
-    std::lock_guard<std::mutex> lock(mCallbackLock);
-    ATRACE_INT("ExpiredKernelIdleTimer", 1);
-    if (mGetCurrentRefreshRateTypeCallback) {
-        if (mGetCurrentRefreshRateTypeCallback() != Scheduler::RefreshRateType::PERFORMANCE) {
-            // Disable HW Vsync if the timer expired, as we don't need it
-            // enabled if we're not pushing frames, and if we're in PERFORMANCE
-            // mode then we'll need to re-update the DispSync model anyways.
-            disableHardwareVsync(false);
-        }
-    }
+void Scheduler::displayPowerTimerCallback(TimerState state) {
+    handleTimerStateChanged(&mFeatures.displayPowerTimer, state,
+                            true /* eventOnContentDetection */);
+    ATRACE_INT("ExpiredDisplayPowerTimer", static_cast<int>(state));
 }
 
 std::string Scheduler::doDump() {
@@ -519,12 +501,11 @@
         }
         *currentState = newState;
         newRefreshRateType = calculateRefreshRateType();
-        if (mRefreshRateType == newRefreshRateType) {
+        if (mFeatures.refreshRateType == newRefreshRateType) {
             return;
         }
-        mRefreshRateType = newRefreshRateType;
-        if (eventOnContentDetection &&
-            mCurrentContentFeatureState == ContentFeatureState::CONTENT_DETECTION_ON) {
+        mFeatures.refreshRateType = newRefreshRateType;
+        if (eventOnContentDetection && mFeatures.contentDetection == ContentDetectionState::On) {
             event = ConfigEvent::Changed;
         }
     }
@@ -533,37 +514,38 @@
 
 Scheduler::RefreshRateType Scheduler::calculateRefreshRateType() {
     // HDR content is not supported on PERFORMANCE mode
-    if (mForceHDRContentToDefaultRefreshRate && mIsHDRContent) {
+    if (mForceHDRContentToDefaultRefreshRate && mFeatures.isHDRContent) {
         return RefreshRateType::DEFAULT;
     }
 
     // If Display Power is not in normal operation we want to be in performance mode.
     // When coming back to normal mode, a grace period is given with DisplayPowerTimer
-    if (!mIsDisplayPowerStateNormal || mDisplayPowerTimerState == DisplayPowerTimerState::RESET) {
+    if (!mFeatures.isDisplayPowerStateNormal || mFeatures.displayPowerTimer == TimerState::Reset) {
         return RefreshRateType::PERFORMANCE;
     }
 
     // As long as touch is active we want to be in performance mode
-    if (mCurrentTouchState == TouchState::ACTIVE) {
+    if (mFeatures.touch == TouchState::Active) {
         return RefreshRateType::PERFORMANCE;
     }
 
     // If timer has expired as it means there is no new content on the screen
-    if (mCurrentIdleTimerState == IdleTimerState::EXPIRED) {
+    if (mFeatures.idleTimer == TimerState::Expired) {
         return RefreshRateType::DEFAULT;
     }
 
     // If content detection is off we choose performance as we don't know the content fps
-    if (mCurrentContentFeatureState == ContentFeatureState::CONTENT_DETECTION_OFF) {
+    if (mFeatures.contentDetection == ContentDetectionState::Off) {
         return RefreshRateType::PERFORMANCE;
     }
 
     // Content detection is on, find the appropriate refresh rate with minimal error
+    const float rate = static_cast<float>(mFeatures.contentRefreshRate);
     auto iter = min_element(mRefreshRateConfigs.getRefreshRates().cbegin(),
                             mRefreshRateConfigs.getRefreshRates().cend(),
-                            [rate = mContentRefreshRate](const auto& l, const auto& r) -> bool {
-                                return std::abs(l.second->fps - static_cast<float>(rate)) <
-                                        std::abs(r.second->fps - static_cast<float>(rate));
+                            [rate](const auto& lhs, const auto& rhs) -> bool {
+                                return std::abs(lhs.second->fps - rate) <
+                                        std::abs(rhs.second->fps - rate);
                             });
     RefreshRateType currRefreshRateType = iter->first;
 
@@ -571,11 +553,10 @@
     // 90Hz config. However we should still prefer a lower refresh rate if the content doesn't
     // align well with both
     constexpr float MARGIN = 0.05f;
-    float ratio = mRefreshRateConfigs.getRefreshRate(currRefreshRateType)->fps /
-            float(mContentRefreshRate);
+    float ratio = mRefreshRateConfigs.getRefreshRate(currRefreshRateType)->fps / rate;
     if (std::abs(std::round(ratio) - ratio) > MARGIN) {
         while (iter != mRefreshRateConfigs.getRefreshRates().cend()) {
-            ratio = iter->second->fps / float(mContentRefreshRate);
+            ratio = iter->second->fps / rate;
 
             if (std::abs(std::round(ratio) - ratio) <= MARGIN) {
                 currRefreshRateType = iter->first;
diff --git a/services/surfaceflinger/Scheduler/Scheduler.h b/services/surfaceflinger/Scheduler/Scheduler.h
index 123036e..0d9d7aa 100644
--- a/services/surfaceflinger/Scheduler/Scheduler.h
+++ b/services/surfaceflinger/Scheduler/Scheduler.h
@@ -200,10 +200,9 @@
 
     // In order to make sure that the features don't override themselves, we need a state machine
     // to keep track which feature requested the config change.
-    enum class ContentFeatureState { CONTENT_DETECTION_ON, CONTENT_DETECTION_OFF };
-    enum class IdleTimerState { EXPIRED, RESET };
-    enum class TouchState { INACTIVE, ACTIVE };
-    enum class DisplayPowerTimerState { EXPIRED, RESET };
+    enum class ContentDetectionState { Off, On };
+    enum class TimerState { Reset, Expired };
+    enum class TouchState { Inactive, Active };
 
     // Creates a connection on the given EventThread and forwards the given callbacks.
     sp<EventThreadConnection> createConnectionInternal(EventThread*, ResyncCallback&&,
@@ -212,26 +211,12 @@
     nsecs_t calculateAverage() const;
     void updateFrameSkipping(const int64_t skipCount);
 
-    // Function that is called when the timer resets.
-    void resetTimerCallback();
-    // Function that is called when the timer expires.
-    void expiredTimerCallback();
-    // Function that is called when the timer resets when paired with a display
-    // driver timeout in the kernel. This enables hardware vsync when we move
-    // out from idle.
-    void resetKernelTimerCallback();
-    // Function that is called when the timer expires when paired with a display
-    // driver timeout in the kernel. This disables hardware vsync when we move
-    // into idle.
-    void expiredKernelTimerCallback();
-    // Function that is called when the touch timer resets.
-    void resetTouchTimerCallback();
-    // Function that is called when the touch timer expires.
-    void expiredTouchTimerCallback();
-    // Function that is called when the display power timer resets.
-    void resetDisplayPowerTimerCallback();
-    // Function that is called when the display power timer expires.
-    void expiredDisplayPowerTimerCallback();
+    // Update feature state machine to given state when corresponding timer resets or expires.
+    void kernelIdleTimerCallback(TimerState);
+    void idleTimerCallback(TimerState);
+    void touchTimerCallback(TimerState);
+    void displayPowerTimerCallback(TimerState);
+
     // Sets vsync period.
     void setVsyncPeriod(const nsecs_t period);
     // handles various timer features to change the refresh rate.
@@ -304,16 +289,19 @@
     // In order to make sure that the features don't override themselves, we need a state machine
     // to keep track which feature requested the config change.
     std::mutex mFeatureStateLock;
-    ContentFeatureState mCurrentContentFeatureState GUARDED_BY(mFeatureStateLock) =
-            ContentFeatureState::CONTENT_DETECTION_OFF;
-    IdleTimerState mCurrentIdleTimerState GUARDED_BY(mFeatureStateLock) = IdleTimerState::RESET;
-    TouchState mCurrentTouchState GUARDED_BY(mFeatureStateLock) = TouchState::INACTIVE;
-    DisplayPowerTimerState mDisplayPowerTimerState GUARDED_BY(mFeatureStateLock) =
-            DisplayPowerTimerState::EXPIRED;
-    uint32_t mContentRefreshRate GUARDED_BY(mFeatureStateLock);
-    RefreshRateType mRefreshRateType GUARDED_BY(mFeatureStateLock);
-    bool mIsHDRContent GUARDED_BY(mFeatureStateLock) = false;
-    bool mIsDisplayPowerStateNormal GUARDED_BY(mFeatureStateLock) = true;
+
+    struct {
+        ContentDetectionState contentDetection = ContentDetectionState::Off;
+        TimerState idleTimer = TimerState::Reset;
+        TouchState touch = TouchState::Inactive;
+        TimerState displayPowerTimer = TimerState::Expired;
+
+        RefreshRateType refreshRateType = RefreshRateType::DEFAULT;
+        uint32_t contentRefreshRate = 0;
+
+        bool isHDRContent = false;
+        bool isDisplayPowerStateNormal = true;
+    } mFeatures GUARDED_BY(mFeatureStateLock);
 
     const scheduler::RefreshRateConfigs& mRefreshRateConfigs;
 
diff --git a/vulkan/vkjson/vkjson.cc b/vulkan/vkjson/vkjson.cc
index 3da4336..6204779 100644
--- a/vulkan/vkjson/vkjson.cc
+++ b/vulkan/vkjson/vkjson.cc
@@ -21,11 +21,14 @@
 #include "vkjson.h"
 
 #include <assert.h>
-#include <string.h>
 #include <stdlib.h>
+#include <string.h>
 
-#include <cmath>
+#include <json/json.h>
+
+#include <algorithm>
 #include <cinttypes>
+#include <cmath>
 #include <cstdio>
 #include <limits>
 #include <memory>
@@ -33,8 +36,6 @@
 #include <type_traits>
 #include <utility>
 
-#include <json/json.h>
-
 namespace {
 
 inline bool IsIntegral(double value) {
@@ -46,6 +47,14 @@
 #endif
 }
 
+// Floating point fields of Vulkan structure use single precision. The string
+// output of max double value in c++ will be larger than Java double's infinity
+// value. Below fake double max/min values are only to serve the safe json text
+// parsing in between C++ and Java, becasue Java json library simply cannot
+// handle infinity.
+static const double SAFE_DOUBLE_MAX = 0.99 * std::numeric_limits<double>::max();
+static const double SAFE_DOUBLE_MIN = 0.99 * std::numeric_limits<double>::min();
+
 template <typename T> struct EnumTraits;
 template <> struct EnumTraits<VkPhysicalDeviceType> {
   static uint32_t min() { return VK_PHYSICAL_DEVICE_TYPE_BEGIN_RANGE; }
@@ -851,7 +860,8 @@
 
 template <typename T, typename = EnableForArithmetic<T>>
 inline Json::Value ToJsonValue(const T& value) {
-  return Json::Value(static_cast<double>(value));
+  return Json::Value(
+      std::clamp(static_cast<double>(value), SAFE_DOUBLE_MIN, SAFE_DOUBLE_MAX));
 }
 
 inline Json::Value ToJsonValue(const uint64_t& value) {