Merge "SF: Introduce new frontend logic"
diff --git a/include/private/performance_hint_private.h b/include/private/performance_hint_private.h
index eaf3b5e..d50c5f8 100644
--- a/include/private/performance_hint_private.h
+++ b/include/private/performance_hint_private.h
@@ -17,6 +17,8 @@
 #ifndef ANDROID_PRIVATE_NATIVE_PERFORMANCE_HINT_PRIVATE_H
 #define ANDROID_PRIVATE_NATIVE_PERFORMANCE_HINT_PRIVATE_H
 
+#include <stdint.h>
+
 __BEGIN_DECLS
 
 /**
@@ -27,7 +29,7 @@
 /**
  * Hints for the session used to signal upcoming changes in the mode or workload.
  */
-enum SessionHint {
+enum SessionHint: int32_t {
     /**
      * This hint indicates a sudden increase in CPU workload intensity. It means
      * that this hint session needs extra CPU resources immediately to meet the
@@ -61,7 +63,7 @@
  * @return 0 on success
  *         EPIPE if communication with the system service has failed.
  */
-int APerformanceHint_sendHint(void* session, int hint);
+int APerformanceHint_sendHint(void* session, SessionHint hint);
 
 /**
  * Return the list of thread ids, this API should only be used for testing only.
diff --git a/libs/binder/Android.bp b/libs/binder/Android.bp
index 7e7bba3..661f70c 100644
--- a/libs/binder/Android.bp
+++ b/libs/binder/Android.bp
@@ -287,6 +287,14 @@
     cflags: [
         "-DBINDER_WITH_KERNEL_IPC",
     ],
+    arch: {
+        // TODO(b/254713216): undefined symbol in BufferedTextOutput::getBuffer
+        riscv64: {
+            lto: {
+                thin: false,
+            },
+        },
+    },
 }
 
 cc_library {
diff --git a/libs/gui/BLASTBufferQueue.cpp b/libs/gui/BLASTBufferQueue.cpp
index 60603ba..5d12463 100644
--- a/libs/gui/BLASTBufferQueue.cpp
+++ b/libs/gui/BLASTBufferQueue.cpp
@@ -432,8 +432,8 @@
         mCurrentMaxAcquiredBufferCount = *currentMaxAcquiredBufferCount;
     }
 
-    const auto numPendingBuffersToHold =
-            isEGL ? std::max(0u, mMaxAcquiredBuffers - mCurrentMaxAcquiredBufferCount) : 0;
+    const uint32_t numPendingBuffersToHold =
+            isEGL ? std::max(0, mMaxAcquiredBuffers - (int32_t)mCurrentMaxAcquiredBufferCount) : 0;
 
     auto rb = ReleasedBuffer{id, releaseFence};
     if (std::find(mPendingRelease.begin(), mPendingRelease.end(), rb) == mPendingRelease.end()) {
diff --git a/libs/gui/Choreographer.cpp b/libs/gui/Choreographer.cpp
index 6b25b26..99bf6ba 100644
--- a/libs/gui/Choreographer.cpp
+++ b/libs/gui/Choreographer.cpp
@@ -101,8 +101,9 @@
     return gChoreographer;
 }
 
-Choreographer::Choreographer(const sp<Looper>& looper)
-      : DisplayEventDispatcher(looper, gui::ISurfaceComposer::VsyncSource::eVsyncSourceApp),
+Choreographer::Choreographer(const sp<Looper>& looper, const sp<IBinder>& layerHandle)
+      : DisplayEventDispatcher(looper, gui::ISurfaceComposer::VsyncSource::eVsyncSourceApp, {},
+                               layerHandle),
         mLooper(looper),
         mThreadId(std::this_thread::get_id()) {
     std::lock_guard<std::mutex> _l(gChoreographers.lock);
diff --git a/libs/gui/DisplayEventDispatcher.cpp b/libs/gui/DisplayEventDispatcher.cpp
index 501e69a..8a88377 100644
--- a/libs/gui/DisplayEventDispatcher.cpp
+++ b/libs/gui/DisplayEventDispatcher.cpp
@@ -37,9 +37,10 @@
 
 DisplayEventDispatcher::DisplayEventDispatcher(const sp<Looper>& looper,
                                                gui::ISurfaceComposer::VsyncSource vsyncSource,
-                                               EventRegistrationFlags eventRegistration)
+                                               EventRegistrationFlags eventRegistration,
+                                               const sp<IBinder>& layerHandle)
       : mLooper(looper),
-        mReceiver(vsyncSource, eventRegistration),
+        mReceiver(vsyncSource, eventRegistration, layerHandle),
         mWaitingForVsync(false),
         mLastVsyncCount(0),
         mLastScheduleVsyncTime(0) {
diff --git a/libs/gui/DisplayEventReceiver.cpp b/libs/gui/DisplayEventReceiver.cpp
index c52fb6b..6849a95 100644
--- a/libs/gui/DisplayEventReceiver.cpp
+++ b/libs/gui/DisplayEventReceiver.cpp
@@ -14,6 +14,8 @@
  * limitations under the License.
  */
 
+#define LOG_TAG "DisplayEventReceiver"
+
 #include <string.h>
 
 #include <utils/Errors.h>
@@ -32,7 +34,8 @@
 // ---------------------------------------------------------------------------
 
 DisplayEventReceiver::DisplayEventReceiver(gui::ISurfaceComposer::VsyncSource vsyncSource,
-                                           EventRegistrationFlags eventRegistration) {
+                                           EventRegistrationFlags eventRegistration,
+                                           const sp<IBinder>& layerHandle) {
     sp<gui::ISurfaceComposer> sf(ComposerServiceAIDL::getComposerService());
     if (sf != nullptr) {
         mEventConnection = nullptr;
@@ -41,8 +44,8 @@
                                                  static_cast<
                                                          gui::ISurfaceComposer::EventRegistration>(
                                                          eventRegistration.get()),
-                                                 &mEventConnection);
-        if (mEventConnection != nullptr) {
+                                                 layerHandle, &mEventConnection);
+        if (status.isOk() && mEventConnection != nullptr) {
             mDataChannel = std::make_unique<gui::BitTube>();
             status = mEventConnection->stealReceiveChannel(mDataChannel.get());
             if (!status.isOk()) {
@@ -51,6 +54,8 @@
                 mDataChannel.reset();
                 mEventConnection.clear();
             }
+        } else {
+            ALOGE("DisplayEventConnection creation failed: status=%s", status.toString8().c_str());
         }
     }
 }
diff --git a/libs/gui/SurfaceControl.cpp b/libs/gui/SurfaceControl.cpp
index 7aee882..c5f9c38 100644
--- a/libs/gui/SurfaceControl.cpp
+++ b/libs/gui/SurfaceControl.cpp
@@ -26,6 +26,7 @@
 #include <utils/Errors.h>
 #include <utils/KeyedVector.h>
 #include <utils/Log.h>
+#include <utils/Looper.h>
 #include <utils/threads.h>
 
 #include <binder/IPCThreadState.h>
@@ -34,8 +35,9 @@
 #include <ui/Rect.h>
 #include <ui/StaticDisplayInfo.h>
 
-#include <gui/BufferQueueCore.h>
 #include <gui/BLASTBufferQueue.h>
+#include <gui/BufferQueueCore.h>
+#include <gui/Choreographer.h>
 #include <gui/ISurfaceComposer.h>
 #include <gui/Surface.h>
 #include <gui/SurfaceComposerClient.h>
@@ -191,6 +193,24 @@
     return mName;
 }
 
+std::shared_ptr<Choreographer> SurfaceControl::getChoreographer() {
+    if (mChoreographer) {
+        return mChoreographer;
+    }
+    sp<Looper> looper = Looper::getForThread();
+    if (!looper.get()) {
+        ALOGE("%s: No looper prepared for thread", __func__);
+        return nullptr;
+    }
+    mChoreographer = std::make_shared<Choreographer>(looper, getHandle());
+    status_t result = mChoreographer->initialize();
+    if (result != OK) {
+        ALOGE("Failed to initialize choreographer");
+        mChoreographer = nullptr;
+    }
+    return mChoreographer;
+}
+
 sp<IGraphicBufferProducer> SurfaceControl::getIGraphicBufferProducer()
 {
     getSurface();
diff --git a/libs/gui/aidl/android/gui/ISurfaceComposer.aidl b/libs/gui/aidl/android/gui/ISurfaceComposer.aidl
index 597749a..9812142 100644
--- a/libs/gui/aidl/android/gui/ISurfaceComposer.aidl
+++ b/libs/gui/aidl/android/gui/ISurfaceComposer.aidl
@@ -68,9 +68,15 @@
 
     /**
      * Create a display event connection
+     *
+     * layerHandle
+     *     Optional binder handle representing a Layer in SF to associate the new
+     *     DisplayEventConnection with. This handle can be found inside a surface control after
+     *     surface creation, see ISurfaceComposerClient::createSurface. Set to null if no layer
+     *     association should be made.
      */
     @nullable IDisplayEventConnection createDisplayEventConnection(VsyncSource vsyncSource,
-            EventRegistration eventRegistration);
+            EventRegistration eventRegistration, @nullable IBinder layerHandle);
 
     /**
      * Create a connection with SurfaceFlinger.
diff --git a/libs/gui/fuzzer/libgui_fuzzer_utils.h b/libs/gui/fuzzer/libgui_fuzzer_utils.h
index 14a0e39..f01c2a9 100644
--- a/libs/gui/fuzzer/libgui_fuzzer_utils.h
+++ b/libs/gui/fuzzer/libgui_fuzzer_utils.h
@@ -64,7 +64,7 @@
     MOCK_METHOD(binder::Status, bootFinished, (), (override));
     MOCK_METHOD(binder::Status, createDisplayEventConnection,
                 (gui::ISurfaceComposer::VsyncSource, gui::ISurfaceComposer::EventRegistration,
-                 sp<gui::IDisplayEventConnection>*),
+                 const sp<IBinder>& /*layerHandle*/, sp<gui::IDisplayEventConnection>*),
                 (override));
     MOCK_METHOD(binder::Status, createConnection, (sp<gui::ISurfaceComposerClient>*), (override));
     MOCK_METHOD(binder::Status, createDisplay, (const std::string&, bool, float, sp<IBinder>*),
diff --git a/libs/gui/include/gui/Choreographer.h b/libs/gui/include/gui/Choreographer.h
index 89a7058..1df9b11 100644
--- a/libs/gui/include/gui/Choreographer.h
+++ b/libs/gui/include/gui/Choreographer.h
@@ -73,7 +73,8 @@
     };
     static Context gChoreographers;
 
-    explicit Choreographer(const sp<Looper>& looper) EXCLUDES(gChoreographers.lock);
+    explicit Choreographer(const sp<Looper>& looper, const sp<IBinder>& layerHandle = nullptr)
+            EXCLUDES(gChoreographers.lock);
     void postFrameCallbackDelayed(AChoreographer_frameCallback cb,
                                   AChoreographer_frameCallback64 cb64,
                                   AChoreographer_vsyncCallback vsyncCallback, void* data,
diff --git a/libs/gui/include/gui/DisplayEventDispatcher.h b/libs/gui/include/gui/DisplayEventDispatcher.h
index bf3a07b..140efa6 100644
--- a/libs/gui/include/gui/DisplayEventDispatcher.h
+++ b/libs/gui/include/gui/DisplayEventDispatcher.h
@@ -26,7 +26,8 @@
     explicit DisplayEventDispatcher(const sp<Looper>& looper,
                                     gui::ISurfaceComposer::VsyncSource vsyncSource =
                                             gui::ISurfaceComposer::VsyncSource::eVsyncSourceApp,
-                                    EventRegistrationFlags eventRegistration = {});
+                                    EventRegistrationFlags eventRegistration = {},
+                                    const sp<IBinder>& layerHandle = nullptr);
 
     status_t initialize();
     void dispose();
diff --git a/libs/gui/include/gui/DisplayEventReceiver.h b/libs/gui/include/gui/DisplayEventReceiver.h
index 0f4907f..7fd6c35 100644
--- a/libs/gui/include/gui/DisplayEventReceiver.h
+++ b/libs/gui/include/gui/DisplayEventReceiver.h
@@ -119,7 +119,8 @@
      */
     explicit DisplayEventReceiver(gui::ISurfaceComposer::VsyncSource vsyncSource =
                                           gui::ISurfaceComposer::VsyncSource::eVsyncSourceApp,
-                                  EventRegistrationFlags eventRegistration = {});
+                                  EventRegistrationFlags eventRegistration = {},
+                                  const sp<IBinder>& layerHandle = nullptr);
 
     /*
      * ~DisplayEventReceiver severs the connection with SurfaceFlinger, new events
diff --git a/libs/gui/include/gui/SurfaceControl.h b/libs/gui/include/gui/SurfaceControl.h
index 1d4fc7f..344b957 100644
--- a/libs/gui/include/gui/SurfaceControl.h
+++ b/libs/gui/include/gui/SurfaceControl.h
@@ -36,6 +36,7 @@
 
 // ---------------------------------------------------------------------------
 
+class Choreographer;
 class IGraphicBufferProducer;
 class Surface;
 class SurfaceComposerClient;
@@ -80,6 +81,9 @@
     int32_t getLayerId() const;
     const std::string& getName() const;
 
+    // TODO(b/267195698): Consider renaming.
+    std::shared_ptr<Choreographer> getChoreographer();
+
     sp<IGraphicBufferProducer> getIGraphicBufferProducer();
 
     status_t clearLayerFrameStats() const;
@@ -130,6 +134,7 @@
     PixelFormat mFormat = PIXEL_FORMAT_NONE;
     uint32_t mCreateFlags = 0;
     uint64_t mFallbackFrameNumber = 100;
+    std::shared_ptr<Choreographer> mChoreographer;
 };
 
 }; // namespace android
diff --git a/libs/gui/tests/Surface_test.cpp b/libs/gui/tests/Surface_test.cpp
index 9b2bf7f..babc197 100644
--- a/libs/gui/tests/Surface_test.cpp
+++ b/libs/gui/tests/Surface_test.cpp
@@ -725,6 +725,7 @@
 
     binder::Status createDisplayEventConnection(
             VsyncSource /*vsyncSource*/, EventRegistration /*eventRegistration*/,
+            const sp<IBinder>& /*layerHandle*/,
             sp<gui::IDisplayEventConnection>* outConnection) override {
         *outConnection = nullptr;
         return binder::Status::ok();
diff --git a/services/inputflinger/TEST_MAPPING b/services/inputflinger/TEST_MAPPING
index cacf30b..2a3dba7 100644
--- a/services/inputflinger/TEST_MAPPING
+++ b/services/inputflinger/TEST_MAPPING
@@ -42,9 +42,11 @@
       "options": [
         {
           "include-filter": "android.view.cts.input",
+          "include-filter": "android.view.cts.HoverTest",
           "include-filter": "android.view.cts.MotionEventTest",
           "include-filter": "android.view.cts.PointerCaptureTest",
           "include-filter": "android.view.cts.TooltipTest",
+          "include-filter": "android.view.cts.VelocityTrackerTest",
           "include-filter": "android.view.cts.VerifyInputEventTest"
         }
       ]
@@ -131,9 +133,12 @@
       "name": "CtsViewTestCases",
       "options": [
         {
+          "include-filter": "android.view.cts.input",
+          "include-filter": "android.view.cts.HoverTest",
           "include-filter": "android.view.cts.MotionEventTest",
           "include-filter": "android.view.cts.PointerCaptureTest",
           "include-filter": "android.view.cts.TooltipTest",
+          "include-filter": "android.view.cts.VelocityTrackerTest",
           "include-filter": "android.view.cts.VerifyInputEventTest"
         }
       ]
diff --git a/services/stats/.clang-format b/services/stats/.clang-format
new file mode 100644
index 0000000..cead3a0
--- /dev/null
+++ b/services/stats/.clang-format
@@ -0,0 +1,17 @@
+BasedOnStyle: Google
+AllowShortIfStatementsOnASingleLine: true
+AllowShortFunctionsOnASingleLine: false
+AllowShortLoopsOnASingleLine: true
+BinPackArguments: true
+BinPackParameters: true
+ColumnLimit: 100
+CommentPragmas: NOLINT:.*
+ContinuationIndentWidth: 8
+DerivePointerAlignment: false
+IndentWidth: 4
+PointerAlignment: Left
+TabWidth: 4
+AccessModifierOffset: -4
+IncludeCategories:
+  - Regex:    '^"Log\.h"'
+    Priority:    -1
diff --git a/services/stats/StatsAidl.cpp b/services/stats/StatsAidl.cpp
index 410a5af..1348548 100644
--- a/services/stats/StatsAidl.cpp
+++ b/services/stats/StatsAidl.cpp
@@ -14,32 +14,33 @@
  * limitations under the License.
  */
 
-#define DEBUG false // STOPSHIP if true
+#define DEBUG false  // STOPSHIP if true
 #define LOG_TAG "StatsAidl"
 
+#include "StatsAidl.h"
+
 #include <log/log.h>
 #include <statslog.h>
 
-#include "StatsAidl.h"
-
 namespace aidl {
 namespace android {
 namespace frameworks {
 namespace stats {
 
-StatsHal::StatsHal() {}
+StatsHal::StatsHal() {
+}
 
 ndk::ScopedAStatus StatsHal::reportVendorAtom(const VendorAtom& vendorAtom) {
     if (vendorAtom.atomId < 100000 || vendorAtom.atomId >= 200000) {
-        ALOGE("Atom ID %ld is not a valid vendor atom ID", (long) vendorAtom.atomId);
+        ALOGE("Atom ID %ld is not a valid vendor atom ID", (long)vendorAtom.atomId);
         return ndk::ScopedAStatus::fromServiceSpecificErrorWithMessage(
-            -1, "Not a valid vendor atom ID");
+                -1, "Not a valid vendor atom ID");
     }
     if (vendorAtom.reverseDomainName.length() > 50) {
         ALOGE("Vendor atom reverse domain name %s is too long.",
-            vendorAtom.reverseDomainName.c_str());
+              vendorAtom.reverseDomainName.c_str());
         return ndk::ScopedAStatus::fromServiceSpecificErrorWithMessage(
-            -1, "Vendor atom reverse domain name is too long");
+                -1, "Vendor atom reverse domain name is too long");
     }
     AStatsEvent* event = AStatsEvent_obtain();
     AStatsEvent_setAtomId(event, vendorAtom.atomId);
@@ -47,24 +48,20 @@
     for (const auto& atomValue : vendorAtom.values) {
         switch (atomValue.getTag()) {
             case VendorAtomValue::intValue:
-                AStatsEvent_writeInt32(event,
-                    atomValue.get<VendorAtomValue::intValue>());
+                AStatsEvent_writeInt32(event, atomValue.get<VendorAtomValue::intValue>());
                 break;
             case VendorAtomValue::longValue:
-                AStatsEvent_writeInt64(event,
-                    atomValue.get<VendorAtomValue::longValue>());
+                AStatsEvent_writeInt64(event, atomValue.get<VendorAtomValue::longValue>());
                 break;
             case VendorAtomValue::floatValue:
-                AStatsEvent_writeFloat(event,
-                    atomValue.get<VendorAtomValue::floatValue>());
+                AStatsEvent_writeFloat(event, atomValue.get<VendorAtomValue::floatValue>());
                 break;
             case VendorAtomValue::stringValue:
                 AStatsEvent_writeString(event,
-                    atomValue.get<VendorAtomValue::stringValue>().c_str());
+                                        atomValue.get<VendorAtomValue::stringValue>().c_str());
                 break;
             case VendorAtomValue::boolValue:
-                AStatsEvent_writeBool(event,
-                    atomValue.get<VendorAtomValue::boolValue>());
+                AStatsEvent_writeBool(event, atomValue.get<VendorAtomValue::boolValue>());
                 break;
             case VendorAtomValue::repeatedIntValue: {
                 const std::optional<std::vector<int>>& repeatedIntValue =
@@ -112,8 +109,8 @@
 
                 for (int i = 0; i < repeatedStringVector.size(); ++i) {
                     cStringArray[i] = repeatedStringVector[i].has_value()
-                            ? repeatedStringVector[i]->c_str()
-                            : "";
+                                              ? repeatedStringVector[i]->c_str()
+                                              : "";
                 }
 
                 AStatsEvent_writeStringArray(event, cStringArray, repeatedStringVector.size());
@@ -152,9 +149,9 @@
     const int ret = AStatsEvent_write(event);
     AStatsEvent_release(event);
 
-    return ret <= 0 ?
-            ndk::ScopedAStatus::fromServiceSpecificErrorWithMessage(ret, "report atom failed") :
-            ndk::ScopedAStatus::ok();
+    return ret <= 0 ? ndk::ScopedAStatus::fromServiceSpecificErrorWithMessage(ret,
+                                                                              "report atom failed")
+                    : ndk::ScopedAStatus::ok();
 }
 
 }  // namespace stats
diff --git a/services/stats/StatsHal.cpp b/services/stats/StatsHal.cpp
index d27d989..19176d9 100644
--- a/services/stats/StatsHal.cpp
+++ b/services/stats/StatsHal.cpp
@@ -14,42 +14,42 @@
  * limitations under the License.
  */
 
-#define DEBUG false // STOPSHIP if true
+#define DEBUG false  // STOPSHIP if true
 #define LOG_TAG "StatsHal"
 
+#include "StatsHal.h"
+
 #include <log/log.h>
 #include <statslog.h>
 
-#include "StatsHal.h"
-
 namespace android {
 namespace frameworks {
 namespace stats {
 namespace V1_0 {
 namespace implementation {
 
-StatsHal::StatsHal() {}
+StatsHal::StatsHal() {
+}
 
-hardware::Return<void> StatsHal::reportSpeakerImpedance(
-        const SpeakerImpedance& speakerImpedance) {
+hardware::Return<void> StatsHal::reportSpeakerImpedance(const SpeakerImpedance& speakerImpedance) {
     android::util::stats_write(android::util::SPEAKER_IMPEDANCE_REPORTED,
-            speakerImpedance.speakerLocation, speakerImpedance.milliOhms);
+                               speakerImpedance.speakerLocation, speakerImpedance.milliOhms);
 
     return hardware::Void();
 }
 
 hardware::Return<void> StatsHal::reportHardwareFailed(const HardwareFailed& hardwareFailed) {
     android::util::stats_write(android::util::HARDWARE_FAILED, int32_t(hardwareFailed.hardwareType),
-            hardwareFailed.hardwareLocation, int32_t(hardwareFailed.errorCode));
+                               hardwareFailed.hardwareLocation, int32_t(hardwareFailed.errorCode));
 
     return hardware::Void();
 }
 
 hardware::Return<void> StatsHal::reportPhysicalDropDetected(
         const PhysicalDropDetected& physicalDropDetected) {
-    android::util::stats_write(android::util::PHYSICAL_DROP_DETECTED,
-            int32_t(physicalDropDetected.confidencePctg), physicalDropDetected.accelPeak,
-            physicalDropDetected.freefallDuration);
+    android::util::stats_write(
+            android::util::PHYSICAL_DROP_DETECTED, int32_t(physicalDropDetected.confidencePctg),
+            physicalDropDetected.accelPeak, physicalDropDetected.freefallDuration);
 
     return hardware::Void();
 }
@@ -58,20 +58,21 @@
     std::vector<int32_t> buckets = chargeCycles.cycleBucket;
     int initialSize = buckets.size();
     for (int i = 0; i < 10 - initialSize; i++) {
-        buckets.push_back(0); // Push 0 for buckets that do not exist.
+        buckets.push_back(0);  // Push 0 for buckets that do not exist.
     }
     android::util::stats_write(android::util::CHARGE_CYCLES_REPORTED, buckets[0], buckets[1],
-            buckets[2], buckets[3], buckets[4], buckets[5], buckets[6], buckets[7], buckets[8],
-            buckets[9]);
+                               buckets[2], buckets[3], buckets[4], buckets[5], buckets[6],
+                               buckets[7], buckets[8], buckets[9]);
 
     return hardware::Void();
 }
 
 hardware::Return<void> StatsHal::reportBatteryHealthSnapshot(
         const BatteryHealthSnapshotArgs& batteryHealthSnapshotArgs) {
-    android::util::stats_write(android::util::BATTERY_HEALTH_SNAPSHOT,
-            int32_t(batteryHealthSnapshotArgs.type), batteryHealthSnapshotArgs.temperatureDeciC,
-            batteryHealthSnapshotArgs.voltageMicroV, batteryHealthSnapshotArgs.currentMicroA,
+    android::util::stats_write(
+            android::util::BATTERY_HEALTH_SNAPSHOT, int32_t(batteryHealthSnapshotArgs.type),
+            batteryHealthSnapshotArgs.temperatureDeciC, batteryHealthSnapshotArgs.voltageMicroV,
+            batteryHealthSnapshotArgs.currentMicroA,
             batteryHealthSnapshotArgs.openCircuitVoltageMicroV,
             batteryHealthSnapshotArgs.resistanceMicroOhm, batteryHealthSnapshotArgs.levelPercent);
 
@@ -87,14 +88,15 @@
 hardware::Return<void> StatsHal::reportBatteryCausedShutdown(
         const BatteryCausedShutdown& batteryCausedShutdown) {
     android::util::stats_write(android::util::BATTERY_CAUSED_SHUTDOWN,
-            batteryCausedShutdown.voltageMicroV);
+                               batteryCausedShutdown.voltageMicroV);
 
     return hardware::Void();
 }
 
 hardware::Return<void> StatsHal::reportUsbPortOverheatEvent(
         const UsbPortOverheatEvent& usbPortOverheatEvent) {
-    android::util::stats_write(android::util::USB_PORT_OVERHEAT_EVENT_REPORTED,
+    android::util::stats_write(
+            android::util::USB_PORT_OVERHEAT_EVENT_REPORTED,
             usbPortOverheatEvent.plugTemperatureDeciC, usbPortOverheatEvent.maxTemperatureDeciC,
             usbPortOverheatEvent.timeToOverheat, usbPortOverheatEvent.timeToHysteresis,
             usbPortOverheatEvent.timeToInactive);
@@ -102,18 +104,17 @@
     return hardware::Void();
 }
 
-hardware::Return<void> StatsHal::reportSpeechDspStat(
-        const SpeechDspStat& speechDspStat) {
+hardware::Return<void> StatsHal::reportSpeechDspStat(const SpeechDspStat& speechDspStat) {
     android::util::stats_write(android::util::SPEECH_DSP_STAT_REPORTED,
-            speechDspStat.totalUptimeMillis, speechDspStat.totalDowntimeMillis,
-            speechDspStat.totalCrashCount, speechDspStat.totalRecoverCount);
+                               speechDspStat.totalUptimeMillis, speechDspStat.totalDowntimeMillis,
+                               speechDspStat.totalCrashCount, speechDspStat.totalRecoverCount);
 
     return hardware::Void();
 }
 
 hardware::Return<void> StatsHal::reportVendorAtom(const VendorAtom& vendorAtom) {
     if (vendorAtom.atomId < 100000 || vendorAtom.atomId >= 200000) {
-        ALOGE("Atom ID %ld is not a valid vendor atom ID", (long) vendorAtom.atomId);
+        ALOGE("Atom ID %ld is not a valid vendor atom ID", (long)vendorAtom.atomId);
         return hardware::Void();
     }
     if (vendorAtom.reverseDomainName.size() > 50) {
diff --git a/services/stats/include/stats/StatsAidl.h b/services/stats/include/stats/StatsAidl.h
index 219e71e..340b539 100644
--- a/services/stats/include/stats/StatsAidl.h
+++ b/services/stats/include/stats/StatsAidl.h
@@ -28,8 +28,7 @@
     /**
      * Binder call to get vendor atom.
      */
-    virtual ndk::ScopedAStatus reportVendorAtom(
-        const VendorAtom& in_vendorAtom) override;
+    virtual ndk::ScopedAStatus reportVendorAtom(const VendorAtom& in_vendorAtom) override;
 };
 
 }  // namespace stats
diff --git a/services/stats/include/stats/StatsHal.h b/services/stats/include/stats/StatsHal.h
index 071e54f..864ad14 100644
--- a/services/stats/include/stats/StatsHal.h
+++ b/services/stats/include/stats/StatsHal.h
@@ -16,7 +16,6 @@
 
 #include <android/frameworks/stats/1.0/IStats.h>
 #include <android/frameworks/stats/1.0/types.h>
-
 #include <stats_event.h>
 
 using namespace android::frameworks::stats::V1_0;
@@ -30,8 +29,8 @@
 using android::hardware::Return;
 
 /**
-* Implements the Stats HAL
-*/
+ * Implements the Stats HAL
+ */
 class StatsHal : public IStats {
 public:
     StatsHal();
@@ -50,12 +49,12 @@
      * Binder call to get PhysicalDropDetected atom.
      */
     virtual Return<void> reportPhysicalDropDetected(
-             const PhysicalDropDetected& physicalDropDetected) override;
+            const PhysicalDropDetected& physicalDropDetected) override;
 
     /**
      * Binder call to get ChargeCyclesReported atom.
      */
-     virtual Return<void> reportChargeCycles(const ChargeCycles& chargeCycles) override;
+    virtual Return<void> reportChargeCycles(const ChargeCycles& chargeCycles) override;
 
     /**
      * Binder call to get BatteryHealthSnapshot atom.
@@ -83,8 +82,7 @@
     /**
      * Binder call to get Speech DSP state atom.
      */
-    virtual Return<void> reportSpeechDspStat(
-            const SpeechDspStat& speechDspStat) override;
+    virtual Return<void> reportSpeechDspStat(const SpeechDspStat& speechDspStat) override;
 
     /**
      * Binder call to get vendor atom.
diff --git a/services/surfaceflinger/Scheduler/EventThread.cpp b/services/surfaceflinger/Scheduler/EventThread.cpp
index 76e9416..5e79a5c 100644
--- a/services/surfaceflinger/Scheduler/EventThread.cpp
+++ b/services/surfaceflinger/Scheduler/EventThread.cpp
@@ -532,6 +532,12 @@
                                      const sp<EventThreadConnection>& connection) const {
     const auto throttleVsync = [&] {
         const auto& vsyncData = event.vsync.vsyncData;
+        if (connection->frameRate.isValid()) {
+            return !mVsyncSchedule->getTracker()
+                            .isVSyncInPhase(vsyncData.preferredExpectedPresentationTime(),
+                                            connection->frameRate);
+        }
+
         const auto expectedPresentTime =
                 TimePoint::fromNs(vsyncData.preferredExpectedPresentationTime());
         return !mEventThreadCallback.isVsyncTargetForUid(expectedPresentTime,
diff --git a/services/surfaceflinger/Scheduler/EventThread.h b/services/surfaceflinger/Scheduler/EventThread.h
index b86553b..aa27091 100644
--- a/services/surfaceflinger/Scheduler/EventThread.h
+++ b/services/surfaceflinger/Scheduler/EventThread.h
@@ -97,6 +97,9 @@
     const uid_t mOwnerUid;
     const EventRegistrationFlags mEventRegistration;
 
+    /** The frame rate set to the attached choreographer. */
+    Fps frameRate;
+
 private:
     virtual void onFirstRef();
     EventThread* const mEventThread;
diff --git a/services/surfaceflinger/Scheduler/LayerHistory.cpp b/services/surfaceflinger/Scheduler/LayerHistory.cpp
index 55fa402..e853833 100644
--- a/services/surfaceflinger/Scheduler/LayerHistory.cpp
+++ b/services/surfaceflinger/Scheduler/LayerHistory.cpp
@@ -32,6 +32,7 @@
 #include <utility>
 
 #include "../Layer.h"
+#include "EventThread.h"
 #include "LayerInfo.h"
 
 namespace android::scheduler {
@@ -140,6 +141,22 @@
 
     info->setLastPresentTime(presentTime, now, updateType, mModeChangePending, layerProps);
 
+    // Set frame rate to attached choreographer.
+    // TODO(b/260898223): Change to use layer hierarchy and handle frame rate vote.
+    if (updateType == LayerUpdateType::SetFrameRate) {
+        auto range = mAttachedChoreographers.equal_range(id);
+        auto it = range.first;
+        while (it != range.second) {
+            sp<EventThreadConnection> choreographerConnection = it->second.promote();
+            if (choreographerConnection) {
+                choreographerConnection->frameRate = layer->getFrameRateForLayerTree().rate;
+                it++;
+            } else {
+                it = mAttachedChoreographers.erase(it);
+            }
+        }
+    }
+
     // Activate layer if inactive.
     if (found == LayerStatus::LayerInInactiveMap) {
         mActiveLayerInfos.insert(
@@ -294,6 +311,12 @@
     return 0.f;
 }
 
+void LayerHistory::attachChoreographer(int32_t layerId,
+                                       const sp<EventThreadConnection>& choreographerConnection) {
+    std::lock_guard lock(mLock);
+    mAttachedChoreographers.insert({layerId, wp<EventThreadConnection>(choreographerConnection)});
+}
+
 auto LayerHistory::findLayer(int32_t id) -> std::pair<LayerStatus, LayerPair*> {
     // the layer could be in either the active or inactive map, try both
     auto it = mActiveLayerInfos.find(id);
diff --git a/services/surfaceflinger/Scheduler/LayerHistory.h b/services/surfaceflinger/Scheduler/LayerHistory.h
index 5022906..68e7030 100644
--- a/services/surfaceflinger/Scheduler/LayerHistory.h
+++ b/services/surfaceflinger/Scheduler/LayerHistory.h
@@ -27,6 +27,8 @@
 #include <utility>
 #include <vector>
 
+#include "EventThread.h"
+
 #include "RefreshRateSelector.h"
 
 namespace android {
@@ -80,6 +82,9 @@
     // return the frames per second of the layer with the given sequence id.
     float getLayerFramerate(nsecs_t now, int32_t id) const;
 
+    void attachChoreographer(int32_t layerId,
+                             const sp<EventThreadConnection>& choreographerConnection);
+
 private:
     friend class LayerHistoryTest;
     friend class TestableScheduler;
@@ -117,6 +122,10 @@
     LayerInfos mActiveLayerInfos GUARDED_BY(mLock);
     LayerInfos mInactiveLayerInfos GUARDED_BY(mLock);
 
+    // Map keyed by layer ID (sequence) to choreographer connections.
+    std::unordered_multimap<int32_t, wp<EventThreadConnection>> mAttachedChoreographers
+            GUARDED_BY(mLock);
+
     uint32_t mDisplayArea = 0;
 
     // Whether to emit systrace output and debug logs.
diff --git a/services/surfaceflinger/Scheduler/Scheduler.cpp b/services/surfaceflinger/Scheduler/Scheduler.cpp
index e6f4665..eed57ef 100644
--- a/services/surfaceflinger/Scheduler/Scheduler.cpp
+++ b/services/surfaceflinger/Scheduler/Scheduler.cpp
@@ -47,6 +47,7 @@
 #include "Display/DisplayMap.h"
 #include "EventThread.h"
 #include "FrameRateOverrideMappings.h"
+#include "FrontEnd/LayerHandle.h"
 #include "OneShotTimer.h"
 #include "SurfaceFlingerProperties.h"
 #include "VSyncPredictor.h"
@@ -232,15 +233,21 @@
 }
 
 sp<EventThreadConnection> Scheduler::createConnectionInternal(
-        EventThread* eventThread, EventRegistrationFlags eventRegistration) {
-    return eventThread->createEventConnection([&] { resync(); }, eventRegistration);
+        EventThread* eventThread, EventRegistrationFlags eventRegistration,
+        const sp<IBinder>& layerHandle) {
+    int32_t layerId = static_cast<int32_t>(LayerHandle::getLayerId(layerHandle));
+    auto connection = eventThread->createEventConnection([&] { resync(); }, eventRegistration);
+    mLayerHistory.attachChoreographer(layerId, connection);
+    return connection;
 }
 
 sp<IDisplayEventConnection> Scheduler::createDisplayEventConnection(
-        ConnectionHandle handle, EventRegistrationFlags eventRegistration) {
+        ConnectionHandle handle, EventRegistrationFlags eventRegistration,
+        const sp<IBinder>& layerHandle) {
     std::lock_guard<std::mutex> lock(mConnectionsLock);
     RETURN_IF_INVALID_HANDLE(handle, nullptr);
-    return createConnectionInternal(mConnections[handle].thread.get(), eventRegistration);
+    return createConnectionInternal(mConnections[handle].thread.get(), eventRegistration,
+                                    layerHandle);
 }
 
 sp<EventThreadConnection> Scheduler::getEventConnection(ConnectionHandle handle) {
diff --git a/services/surfaceflinger/Scheduler/Scheduler.h b/services/surfaceflinger/Scheduler/Scheduler.h
index 8dc2def..8c8fc21 100644
--- a/services/surfaceflinger/Scheduler/Scheduler.h
+++ b/services/surfaceflinger/Scheduler/Scheduler.h
@@ -147,7 +147,8 @@
                                        std::chrono::nanoseconds readyDuration);
 
     sp<IDisplayEventConnection> createDisplayEventConnection(
-            ConnectionHandle, EventRegistrationFlags eventRegistration = {});
+            ConnectionHandle, EventRegistrationFlags eventRegistration = {},
+            const sp<IBinder>& layerHandle = nullptr);
 
     sp<EventThreadConnection> getEventConnection(ConnectionHandle);
 
@@ -302,7 +303,8 @@
     // Create a connection on the given EventThread.
     ConnectionHandle createConnection(std::unique_ptr<EventThread>);
     sp<EventThreadConnection> createConnectionInternal(
-            EventThread*, EventRegistrationFlags eventRegistration = {});
+            EventThread*, EventRegistrationFlags eventRegistration = {},
+            const sp<IBinder>& layerHandle = nullptr);
 
     // Update feature state machine to given state when corresponding timer resets or expires.
     void kernelIdleTimerCallback(TimerState) EXCLUDES(mDisplayLock);
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index c10ef94..a0c3eb0 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -1994,13 +1994,14 @@
 // ----------------------------------------------------------------------------
 
 sp<IDisplayEventConnection> SurfaceFlinger::createDisplayEventConnection(
-        gui::ISurfaceComposer::VsyncSource vsyncSource, EventRegistrationFlags eventRegistration) {
+        gui::ISurfaceComposer::VsyncSource vsyncSource, EventRegistrationFlags eventRegistration,
+        const sp<IBinder>& layerHandle) {
     const auto& handle =
             vsyncSource == gui::ISurfaceComposer::VsyncSource::eVsyncSourceSurfaceFlinger
             ? mSfConnectionHandle
             : mAppConnectionHandle;
 
-    return mScheduler->createDisplayEventConnection(handle, eventRegistration);
+    return mScheduler->createDisplayEventConnection(handle, eventRegistration, layerHandle);
 }
 
 void SurfaceFlinger::scheduleCommit(FrameHint hint) {
@@ -2700,12 +2701,13 @@
     ATRACE_CALL();
     ALOGV(__func__);
 
-    const auto* display = FTL_FAKE_GUARD(mStateLock, getDefaultDisplayDeviceLocked()).get();
+    const auto* defaultDisplay = FTL_FAKE_GUARD(mStateLock, getDefaultDisplayDeviceLocked()).get();
 
     std::shared_ptr<FenceTime> glCompositionDoneFenceTime;
-    if (display && display->getCompositionDisplay()->getState().usesClientComposition) {
+    if (defaultDisplay &&
+        defaultDisplay->getCompositionDisplay()->getState().usesClientComposition) {
         glCompositionDoneFenceTime =
-                std::make_shared<FenceTime>(display->getCompositionDisplay()
+                std::make_shared<FenceTime>(defaultDisplay->getCompositionDisplay()
                                                     ->getRenderSurface()
                                                     ->getClientTargetAcquireFence());
     } else {
@@ -2714,8 +2716,9 @@
 
     mPreviousPresentFences[1] = mPreviousPresentFences[0];
 
-    auto presentFence =
-            display ? getHwComposer().getPresentFence(display->getPhysicalId()) : Fence::NO_FENCE;
+    auto presentFence = defaultDisplay
+            ? getHwComposer().getPresentFence(defaultDisplay->getPhysicalId())
+            : Fence::NO_FENCE;
 
     auto presentFenceTime = std::make_shared<FenceTime>(presentFence);
     mPreviousPresentFences[0] = {presentFence, presentFenceTime};
@@ -2746,7 +2749,7 @@
                                             presentLatency.ns());
 
     for (const auto& layer: mLayersWithQueuedFrames) {
-        layer->onPostComposition(display, glCompositionDoneFenceTime, presentFenceTime,
+        layer->onPostComposition(defaultDisplay, glCompositionDoneFenceTime, presentFenceTime,
                                  compositorTiming);
         layer->releasePendingBuffer(presentTime.ns());
     }
@@ -2819,7 +2822,7 @@
         for (const auto& [id, physicalDisplay] : mPhysicalDisplays) {
             if (auto displayDevice = getDisplayDeviceLocked(id);
                 displayDevice && displayDevice->isPoweredOn() && physicalDisplay.isInternal()) {
-                auto presentFenceTimeI = display && display->getPhysicalId() == id
+                auto presentFenceTimeI = defaultDisplay && defaultDisplay->getPhysicalId() == id
                         ? std::move(presentFenceTime)
                         : std::make_shared<FenceTime>(getHwComposer().getPresentFence(id));
                 if (presentFenceTimeI->isValid()) {
@@ -2830,11 +2833,11 @@
     }
 
     const bool isDisplayConnected =
-            display && getHwComposer().isConnected(display->getPhysicalId());
+            defaultDisplay && getHwComposer().isConnected(defaultDisplay->getPhysicalId());
 
     if (!hasSyncFramework) {
-        if (isDisplayConnected && display->isPoweredOn()) {
-            mScheduler->enableHardwareVsync(display->getPhysicalId());
+        if (isDisplayConnected && defaultDisplay->isPoweredOn()) {
+            mScheduler->enableHardwareVsync(defaultDisplay->getPhysicalId());
         }
     }
 
@@ -2842,7 +2845,7 @@
     const size_t appConnections = mScheduler->getEventThreadConnectionCount(mAppConnectionHandle);
     mTimeStats->recordDisplayEventConnectionCount(sfConnections + appConnections);
 
-    if (isDisplayConnected && !display->isPoweredOn()) {
+    if (isDisplayConnected && !defaultDisplay->isPoweredOn()) {
         getRenderEngine().cleanupPostRender();
         return;
     }
@@ -2881,9 +2884,10 @@
             if (!layer->hasTrustedPresentationListener()) {
                 return;
             }
-            const auto display =
+            const std::optional<const DisplayDevice*> displayOpt =
                     layerStackToDisplay.get(layer->getLayerSnapshot()->outputFilter.layerStack);
-            layer->updateTrustedPresentationState(display->get(), layer->getLayerSnapshot(),
+            const DisplayDevice* display = displayOpt.value_or(nullptr);
+            layer->updateTrustedPresentationState(display, layer->getLayerSnapshot(),
                                                   nanoseconds_to_milliseconds(callTime), false);
         });
     }
@@ -4008,14 +4012,18 @@
 }
 
 uint32_t SurfaceFlinger::clearTransactionFlags(uint32_t mask) {
-    return mTransactionFlags.fetch_and(~mask) & mask;
+    uint32_t transactionFlags = mTransactionFlags.fetch_and(~mask);
+    ATRACE_INT("mTransactionFlags", transactionFlags);
+    return transactionFlags & mask;
 }
 
 void SurfaceFlinger::setTransactionFlags(uint32_t mask, TransactionSchedule schedule,
                                          const sp<IBinder>& applyToken, FrameHint frameHint) {
     mScheduler->modulateVsync({}, &VsyncModulator::setTransactionSchedule, schedule, applyToken);
+    uint32_t transactionFlags = mTransactionFlags.fetch_or(mask);
+    ATRACE_INT("mTransactionFlags", transactionFlags);
 
-    if (const bool scheduled = mTransactionFlags.fetch_or(mask) & mask; !scheduled) {
+    if (const bool scheduled = transactionFlags & mask; !scheduled) {
         scheduleCommit(frameHint);
     } else if (frameHint == FrameHint::kActive) {
         // Even if the next frame is already scheduled, we should reset the idle timer
@@ -4330,9 +4338,8 @@
     }(state.flags);
 
     const auto frameHint = state.isFrameActive() ? FrameHint::kActive : FrameHint::kNone;
-    setTransactionFlags(eTransactionFlushNeeded, schedule, state.applyToken, frameHint);
     mTransactionHandler.queueTransaction(std::move(state));
-
+    setTransactionFlags(eTransactionFlushNeeded, schedule, applyToken, frameHint);
     return NO_ERROR;
 }
 
@@ -7843,9 +7850,9 @@
 
 binder::Status SurfaceComposerAIDL::createDisplayEventConnection(
         VsyncSource vsyncSource, EventRegistration eventRegistration,
-        sp<IDisplayEventConnection>* outConnection) {
+        const sp<IBinder>& layerHandle, sp<IDisplayEventConnection>* outConnection) {
     sp<IDisplayEventConnection> conn =
-            mFlinger->createDisplayEventConnection(vsyncSource, eventRegistration);
+            mFlinger->createDisplayEventConnection(vsyncSource, eventRegistration, layerHandle);
     if (conn == nullptr) {
         *outConnection = nullptr;
         return binderStatusFromStatusT(BAD_VALUE);
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 09891be..0bd15dc 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -531,7 +531,8 @@
     sp<IDisplayEventConnection> createDisplayEventConnection(
             gui::ISurfaceComposer::VsyncSource vsyncSource =
                     gui::ISurfaceComposer::VsyncSource::eVsyncSourceApp,
-            EventRegistrationFlags eventRegistration = {});
+            EventRegistrationFlags eventRegistration = {},
+            const sp<IBinder>& layerHandle = nullptr);
 
     status_t captureDisplay(const DisplayCaptureArgs&, const sp<IScreenCaptureListener>&);
     status_t captureDisplay(DisplayId, const sp<IScreenCaptureListener>&);
@@ -1436,6 +1437,7 @@
     binder::Status bootFinished() override;
     binder::Status createDisplayEventConnection(
             VsyncSource vsyncSource, EventRegistration eventRegistration,
+            const sp<IBinder>& layerHandle,
             sp<gui::IDisplayEventConnection>* outConnection) override;
     binder::Status createConnection(sp<gui::ISurfaceComposerClient>* outClient) override;
     binder::Status createDisplay(const std::string& displayName, bool secure,