diff --git a/libs/binder/IBatteryStats.cpp b/libs/binder/IBatteryStats.cpp
index 69b11c0..7b58046 100644
--- a/libs/binder/IBatteryStats.cpp
+++ b/libs/binder/IBatteryStats.cpp
@@ -66,14 +66,14 @@
         Parcel data, reply;
         data.writeInterfaceToken(IBatteryStats::getInterfaceDescriptor());
         data.writeInt32(uid);
-        remote()->transact(NOTE_START_AUDIO_TRANSACTION, data, &reply);
+        remote()->transact(NOTE_START_AUDIO_TRANSACTION, data, &reply, IBinder::FLAG_ONEWAY);
     }
 
     virtual void noteStopAudio(int uid) {
         Parcel data, reply;
         data.writeInterfaceToken(IBatteryStats::getInterfaceDescriptor());
         data.writeInt32(uid);
-        remote()->transact(NOTE_STOP_AUDIO_TRANSACTION, data, &reply);
+        remote()->transact(NOTE_STOP_AUDIO_TRANSACTION, data, &reply, IBinder::FLAG_ONEWAY);
     }
 
     virtual void noteResetVideo() {
@@ -85,7 +85,7 @@
     virtual void noteResetAudio() {
         Parcel data, reply;
         data.writeInterfaceToken(IBatteryStats::getInterfaceDescriptor());
-        remote()->transact(NOTE_RESET_AUDIO_TRANSACTION, data, &reply);
+        remote()->transact(NOTE_RESET_AUDIO_TRANSACTION, data, &reply, IBinder::FLAG_ONEWAY);
     }
 
     virtual void noteFlashlightOn(int uid) {
diff --git a/libs/renderengine/skia/GaneshVkRenderEngine.cpp b/libs/renderengine/skia/GaneshVkRenderEngine.cpp
index e76a4c3..aa18713 100644
--- a/libs/renderengine/skia/GaneshVkRenderEngine.cpp
+++ b/libs/renderengine/skia/GaneshVkRenderEngine.cpp
@@ -23,6 +23,7 @@
 
 #include <log/log_main.h>
 #include <sync/sync.h>
+#include <utils/Trace.h>
 
 namespace android::renderengine::skia {
 
@@ -33,6 +34,12 @@
     info->unref();
 }
 
+std::unique_ptr<SkiaGpuContext> GaneshVkRenderEngine::createContext(
+        VulkanInterface& vulkanInterface) {
+    return SkiaGpuContext::MakeVulkan_Ganesh(vulkanInterface.getGaneshBackendContext(),
+                                             mSkSLCacheMonitor);
+}
+
 void GaneshVkRenderEngine::waitFence(SkiaGpuContext* context, base::borrowed_fd fenceFd) {
     if (fenceFd.get() < 0) return;
 
@@ -51,11 +58,18 @@
     context->grDirectContext()->wait(1, &beSemaphore, kDeleteAfterWait);
 }
 
-base::unique_fd GaneshVkRenderEngine::flushAndSubmit(SkiaGpuContext* context) {
+base::unique_fd GaneshVkRenderEngine::flushAndSubmit(SkiaGpuContext* context,
+                                                     sk_sp<SkSurface> dstSurface) {
     sk_sp<GrDirectContext> grContext = context->grDirectContext();
+    {
+        ATRACE_NAME("flush surface");
+        // TODO: Investigate feasibility of combining this "surface flush" into the "context flush"
+        // below.
+        context->grDirectContext()->flush(dstSurface.get());
+    }
+
     VulkanInterface& vi = getVulkanInterface(isProtected());
     VkSemaphore semaphore = vi.createExportableSemaphore();
-
     GrBackendSemaphore backendSemaphore = GrBackendSemaphores::MakeVk(semaphore);
 
     GrFlushInfo flushInfo;
diff --git a/libs/renderengine/skia/GaneshVkRenderEngine.h b/libs/renderengine/skia/GaneshVkRenderEngine.h
index 90e2487..5940d04 100644
--- a/libs/renderengine/skia/GaneshVkRenderEngine.h
+++ b/libs/renderengine/skia/GaneshVkRenderEngine.h
@@ -27,8 +27,9 @@
 protected:
     GaneshVkRenderEngine(const RenderEngineCreationArgs& args) : SkiaVkRenderEngine(args) {}
 
+    std::unique_ptr<SkiaGpuContext> createContext(VulkanInterface& vulkanInterface) override;
     void waitFence(SkiaGpuContext* context, base::borrowed_fd fenceFd) override;
-    base::unique_fd flushAndSubmit(SkiaGpuContext* context) override;
+    base::unique_fd flushAndSubmit(SkiaGpuContext* context, sk_sp<SkSurface> dstSurface) override;
 };
 
 } // namespace android::renderengine::skia
diff --git a/libs/renderengine/skia/SkiaGLRenderEngine.cpp b/libs/renderengine/skia/SkiaGLRenderEngine.cpp
index f10c98d..61369ae 100644
--- a/libs/renderengine/skia/SkiaGLRenderEngine.cpp
+++ b/libs/renderengine/skia/SkiaGLRenderEngine.cpp
@@ -337,8 +337,14 @@
     }
 }
 
-base::unique_fd SkiaGLRenderEngine::flushAndSubmit(SkiaGpuContext* context) {
-    base::unique_fd drawFence = flush();
+base::unique_fd SkiaGLRenderEngine::flushAndSubmit(SkiaGpuContext* context,
+                                                   sk_sp<SkSurface> dstSurface) {
+    sk_sp<GrDirectContext> grContext = context->grDirectContext();
+    {
+        ATRACE_NAME("flush surface");
+        grContext->flush(dstSurface.get());
+    }
+    base::unique_fd drawFence = flushGL();
 
     bool requireSync = drawFence.get() < 0;
     if (requireSync) {
@@ -346,8 +352,7 @@
     } else {
         ATRACE_BEGIN("Submit(sync=false)");
     }
-    bool success =
-            context->grDirectContext()->submit(requireSync ? GrSyncCpu::kYes : GrSyncCpu::kNo);
+    bool success = grContext->submit(requireSync ? GrSyncCpu::kYes : GrSyncCpu::kNo);
     ATRACE_END();
     if (!success) {
         ALOGE("Failed to flush RenderEngine commands");
@@ -394,7 +399,7 @@
     return true;
 }
 
-base::unique_fd SkiaGLRenderEngine::flush() {
+base::unique_fd SkiaGLRenderEngine::flushGL() {
     ATRACE_CALL();
     if (!GLExtensions::getInstance().hasNativeFenceSync()) {
         return base::unique_fd();
diff --git a/libs/renderengine/skia/SkiaGLRenderEngine.h b/libs/renderengine/skia/SkiaGLRenderEngine.h
index 2e22478..bd177e6 100644
--- a/libs/renderengine/skia/SkiaGLRenderEngine.h
+++ b/libs/renderengine/skia/SkiaGLRenderEngine.h
@@ -63,7 +63,7 @@
     bool supportsProtectedContentImpl() const override;
     bool useProtectedContextImpl(GrProtected isProtected) override;
     void waitFence(SkiaGpuContext* context, base::borrowed_fd fenceFd) override;
-    base::unique_fd flushAndSubmit(SkiaGpuContext* context) override;
+    base::unique_fd flushAndSubmit(SkiaGpuContext* context, sk_sp<SkSurface> dstSurface) override;
     void appendBackendSpecificInfoToDump(std::string& result) override;
 
 private:
@@ -71,7 +71,7 @@
                        EGLSurface placeholder, EGLContext protectedContext,
                        EGLSurface protectedPlaceholder);
     bool waitGpuFence(base::borrowed_fd fenceFd);
-    base::unique_fd flush();
+    base::unique_fd flushGL();
     static EGLConfig chooseEglConfig(EGLDisplay display, int format, bool logConfig);
     static EGLContext createEglContext(EGLDisplay display, EGLConfig config,
                                        EGLContext shareContext,
diff --git a/libs/renderengine/skia/SkiaRenderEngine.cpp b/libs/renderengine/skia/SkiaRenderEngine.cpp
index c12c119..f548a52 100644
--- a/libs/renderengine/skia/SkiaRenderEngine.cpp
+++ b/libs/renderengine/skia/SkiaRenderEngine.cpp
@@ -90,7 +90,7 @@
 
 // Debugging settings
 static const bool kPrintLayerSettings = false;
-static const bool kFlushAfterEveryLayer = kPrintLayerSettings;
+static const bool kGaneshFlushAfterEveryLayer = kPrintLayerSettings;
 static constexpr bool kEnableLayerBrightening = true;
 
 } // namespace
@@ -1122,21 +1122,21 @@
         } else {
             canvas->drawRect(bounds.rect(), paint);
         }
-        if (kFlushAfterEveryLayer) {
+        if (kGaneshFlushAfterEveryLayer) {
             ATRACE_NAME("flush surface");
+            // No-op in Graphite. If "flushing" Skia's drawing commands after each layer is desired
+            // in Graphite, then a graphite::Recording would need to be snapped and tracked for each
+            // layer, which is likely possible but adds non-trivial complexity (in both bookkeeping
+            // and refactoring).
             skgpu::ganesh::Flush(activeSurface);
         }
     }
 
     surfaceAutoSaveRestore.restore();
     mCapture->endCapture();
-    {
-        ATRACE_NAME("flush surface");
-        LOG_ALWAYS_FATAL_IF(activeSurface != dstSurface);
-        skgpu::ganesh::Flush(activeSurface);
-    }
 
-    auto drawFence = sp<Fence>::make(flushAndSubmit(context));
+    LOG_ALWAYS_FATAL_IF(activeSurface != dstSurface);
+    auto drawFence = sp<Fence>::make(flushAndSubmit(context, dstSurface));
 
     if (ATRACE_ENABLED()) {
         static gui::FenceMonitor sMonitor("RE Completion");
diff --git a/libs/renderengine/skia/SkiaRenderEngine.h b/libs/renderengine/skia/SkiaRenderEngine.h
index a39adbe..d7b4910 100644
--- a/libs/renderengine/skia/SkiaRenderEngine.h
+++ b/libs/renderengine/skia/SkiaRenderEngine.h
@@ -89,7 +89,8 @@
     virtual bool supportsProtectedContentImpl() const = 0;
     virtual bool useProtectedContextImpl(GrProtected isProtected) = 0;
     virtual void waitFence(SkiaGpuContext* context, base::borrowed_fd fenceFd) = 0;
-    virtual base::unique_fd flushAndSubmit(SkiaGpuContext* context) = 0;
+    virtual base::unique_fd flushAndSubmit(SkiaGpuContext* context,
+                                           sk_sp<SkSurface> dstSurface) = 0;
     virtual void appendBackendSpecificInfoToDump(std::string& result) = 0;
 
     size_t getMaxTextureSize() const override final;
diff --git a/libs/renderengine/skia/SkiaVkRenderEngine.cpp b/libs/renderengine/skia/SkiaVkRenderEngine.cpp
index 473fa0a..3715859 100644
--- a/libs/renderengine/skia/SkiaVkRenderEngine.cpp
+++ b/libs/renderengine/skia/SkiaVkRenderEngine.cpp
@@ -112,12 +112,9 @@
     sSetupVulkanInterface();
 
     SkiaRenderEngine::Contexts contexts;
-    contexts.first = SkiaGpuContext::MakeVulkan_Ganesh(sVulkanInterface.getGaneshBackendContext(),
-                                                       mSkSLCacheMonitor);
+    contexts.first = createContext(sVulkanInterface);
     if (supportsProtectedContentImpl()) {
-        contexts.second = SkiaGpuContext::MakeVulkan_Ganesh(sProtectedContentVulkanInterface
-                                                                    .getGaneshBackendContext(),
-                                                            mSkSLCacheMonitor);
+        contexts.second = createContext(sProtectedContentVulkanInterface);
     }
 
     return contexts;
diff --git a/libs/renderengine/skia/SkiaVkRenderEngine.h b/libs/renderengine/skia/SkiaVkRenderEngine.h
index 5fd911f..371b812 100644
--- a/libs/renderengine/skia/SkiaVkRenderEngine.h
+++ b/libs/renderengine/skia/SkiaVkRenderEngine.h
@@ -71,9 +71,11 @@
     };
 
 protected:
+    virtual std::unique_ptr<SkiaGpuContext> createContext(VulkanInterface& vulkanInterface) = 0;
     // Redeclare parent functions that Ganesh vs. Graphite subclasses must implement.
     virtual void waitFence(SkiaGpuContext* context, base::borrowed_fd fenceFd) override = 0;
-    virtual base::unique_fd flushAndSubmit(SkiaGpuContext* context) override = 0;
+    virtual base::unique_fd flushAndSubmit(SkiaGpuContext* context,
+                                           sk_sp<SkSurface> dstSurface) override = 0;
 
     SkiaVkRenderEngine(const RenderEngineCreationArgs& args);
 
diff --git a/services/inputflinger/reader/InputDevice.cpp b/services/inputflinger/reader/InputDevice.cpp
index 4d8ffb6..782c84a 100644
--- a/services/inputflinger/reader/InputDevice.cpp
+++ b/services/inputflinger/reader/InputDevice.cpp
@@ -507,10 +507,7 @@
     }
 
     // Touchscreens and touchpad devices.
-    static const bool ENABLE_TOUCHPAD_GESTURES_LIBRARY =
-            sysprop::InputProperties::enable_touchpad_gestures_library().value_or(true);
-    if (ENABLE_TOUCHPAD_GESTURES_LIBRARY && classes.test(InputDeviceClass::TOUCHPAD) &&
-        classes.test(InputDeviceClass::TOUCH_MT)) {
+    if (classes.test(InputDeviceClass::TOUCHPAD) && classes.test(InputDeviceClass::TOUCH_MT)) {
         mappers.push_back(createInputMapper<TouchpadInputMapper>(contextPtr, readerConfig));
     } else if (classes.test(InputDeviceClass::TOUCH_MT)) {
         mappers.push_back(createInputMapper<MultiTouchInputMapper>(contextPtr, readerConfig));
diff --git a/services/inputflinger/reader/mapper/TouchpadInputMapper.cpp b/services/inputflinger/reader/mapper/TouchpadInputMapper.cpp
index 99f9e24..721cdfd 100644
--- a/services/inputflinger/reader/mapper/TouchpadInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/TouchpadInputMapper.cpp
@@ -198,6 +198,7 @@
     }
 
     void produceAtomsLocked(AStatsEventList& outEventList) const REQUIRES(mLock) {
+        ALOGI("Producing touchpad usage atoms for %zu counters", mCounters.size());
         for (auto& [id, counters] : mCounters) {
             auto [busId, vendorId, productId, versionId] = id;
             addAStatsEvent(&outEventList, android::util::TOUCHPAD_USAGE, vendorId, productId,
diff --git a/services/surfaceflinger/CompositionEngine/tests/OutputTest.cpp b/services/surfaceflinger/CompositionEngine/tests/OutputTest.cpp
index b4789f1..6be245e 100644
--- a/services/surfaceflinger/CompositionEngine/tests/OutputTest.cpp
+++ b/services/surfaceflinger/CompositionEngine/tests/OutputTest.cpp
@@ -3010,7 +3010,6 @@
         EXPECT_CALL(mOutput, getCompositionEngine()).WillRepeatedly(ReturnRef(mCompositionEngine));
         EXPECT_CALL(mCompositionEngine, getRenderEngine()).WillRepeatedly(ReturnRef(mRenderEngine));
         EXPECT_CALL(mOutput, isPowerHintSessionEnabled()).WillRepeatedly(Return(true));
-        SET_FLAG_FOR_TEST(flags::adpf_gpu_sf, false);
     }
 
     StrictMock<OutputPartialMock> mOutput;
@@ -3028,6 +3027,7 @@
 }
 
 TEST_F(OutputFinishFrameTest, takesEarlyOutifComposeSurfacesReturnsNoFence) {
+    SET_FLAG_FOR_TEST(flags::adpf_gpu_sf, true);
     mOutput.mState.isEnabled = true;
     EXPECT_CALL(mOutput, updateProtectedContentState());
     EXPECT_CALL(mOutput, dequeueRenderBuffer(_, _)).WillOnce(Return(true));
@@ -3037,7 +3037,8 @@
     mOutput.finishFrame(std::move(result));
 }
 
-TEST_F(OutputFinishFrameTest, queuesBufferIfComposeSurfacesReturnsAFence) {
+TEST_F(OutputFinishFrameTest, queuesBufferIfComposeSurfacesReturnsAFenceWithAdpfGpuOff) {
+    SET_FLAG_FOR_TEST(flags::adpf_gpu_sf, false);
     mOutput.mState.isEnabled = true;
 
     InSequence seq;
@@ -3052,7 +3053,7 @@
     mOutput.finishFrame(std::move(result));
 }
 
-TEST_F(OutputFinishFrameTest, queuesBufferIfComposeSurfacesReturnsAFenceWithAdpfGpuOn) {
+TEST_F(OutputFinishFrameTest, queuesBufferIfComposeSurfacesReturnsAFence) {
     SET_FLAG_FOR_TEST(flags::adpf_gpu_sf, true);
     mOutput.mState.isEnabled = true;
 
@@ -3070,6 +3071,7 @@
 
 TEST_F(OutputFinishFrameTest, queuesBufferWithHdrSdrRatio) {
     SET_FLAG_FOR_TEST(flags::fp16_client_target, true);
+    SET_FLAG_FOR_TEST(flags::adpf_gpu_sf, true);
     mOutput.mState.isEnabled = true;
 
     InSequence seq;
@@ -3089,7 +3091,7 @@
             .WillOnce(DoAll(SetArgPointee<1>(texture), Return(true)));
     EXPECT_CALL(mOutput, composeSurfaces(RegionEq(Region::INVALID_REGION), _, _))
             .WillOnce(Return(ByMove(base::unique_fd())));
-    EXPECT_CALL(mOutput, setHintSessionGpuFence(_));
+    EXPECT_CALL(mOutput, setHintSessionGpuFence(_)).Times(0);
     EXPECT_CALL(*mRenderSurface, queueBuffer(_, 2.f));
 
     impl::GpuCompositionResult result;
@@ -3097,10 +3099,11 @@
 }
 
 TEST_F(OutputFinishFrameTest, predictionSucceeded) {
+    SET_FLAG_FOR_TEST(flags::adpf_gpu_sf, true);
     mOutput.mState.isEnabled = true;
     mOutput.mState.strategyPrediction = CompositionStrategyPredictionState::SUCCESS;
     InSequence seq;
-    EXPECT_CALL(mOutput, setHintSessionGpuFence(_));
+    EXPECT_CALL(mOutput, setHintSessionGpuFence(_)).Times(0);
     EXPECT_CALL(*mRenderSurface, queueBuffer(_, 1.f));
 
     impl::GpuCompositionResult result;
@@ -3108,6 +3111,7 @@
 }
 
 TEST_F(OutputFinishFrameTest, predictionFailedAndBufferIsReused) {
+    SET_FLAG_FOR_TEST(flags::adpf_gpu_sf, true);
     mOutput.mState.isEnabled = true;
     mOutput.mState.strategyPrediction = CompositionStrategyPredictionState::FAIL;
 
@@ -3123,7 +3127,7 @@
                 composeSurfaces(RegionEq(Region::INVALID_REGION), result.buffer,
                                 Eq(ByRef(result.fence))))
             .WillOnce(Return(ByMove(base::unique_fd())));
-    EXPECT_CALL(mOutput, setHintSessionGpuFence(_));
+    EXPECT_CALL(mOutput, setHintSessionGpuFence(_)).Times(0);
     EXPECT_CALL(*mRenderSurface, queueBuffer(_, 1.f));
     mOutput.finishFrame(std::move(result));
 }
@@ -3484,7 +3488,6 @@
         EXPECT_CALL(*mDisplayColorProfile, getHdrCapabilities())
                 .WillRepeatedly(ReturnRef(kHdrCapabilities));
         EXPECT_CALL(mOutput, isPowerHintSessionEnabled()).WillRepeatedly(Return(true));
-        SET_FLAG_FOR_TEST(flags::adpf_gpu_sf, false);
     }
 
     struct ExecuteState : public CallOrderStateMachineHelper<TestType, ExecuteState> {
@@ -3757,7 +3760,8 @@
     EXPECT_TRUE(mOutput.mState.reusedClientComposition);
 }
 
-TEST_F(OutputComposeSurfacesTest, clientCompositionIfBufferChanges) {
+TEST_F(OutputComposeSurfacesTest, clientCompositionIfBufferChangesWithAdpfGpuOff) {
+    SET_FLAG_FOR_TEST(flags::adpf_gpu_sf, false);
     LayerFE::LayerSettings r1;
     LayerFE::LayerSettings r2;
 
@@ -3800,7 +3804,7 @@
     EXPECT_FALSE(mOutput.mState.reusedClientComposition);
 }
 
-TEST_F(OutputComposeSurfacesTest, clientCompositionIfBufferChangesWithAdpfGpuOn) {
+TEST_F(OutputComposeSurfacesTest, clientCompositionIfBufferChanges) {
     SET_FLAG_FOR_TEST(flags::adpf_gpu_sf, true);
     LayerFE::LayerSettings r1;
     LayerFE::LayerSettings r2;
diff --git a/services/surfaceflinger/Scheduler/OneShotTimer.cpp b/services/surfaceflinger/Scheduler/OneShotTimer.cpp
index cd45bfd..7e61dc0 100644
--- a/services/surfaceflinger/Scheduler/OneShotTimer.cpp
+++ b/services/surfaceflinger/Scheduler/OneShotTimer.cpp
@@ -115,9 +115,24 @@
             break;
         }
 
-        auto triggerTime = mClock->now() + mInterval;
+        auto triggerTime = mClock->now() + mInterval.load();
         state = TimerState::WAITING;
         while (true) {
+            if (mPaused) {
+                mWaiting = true;
+                int result = sem_wait(&mSemaphore);
+                if (result && errno != EINTR) {
+                    std::stringstream ss;
+                    ss << "sem_wait failed (" << errno << ")";
+                    LOG_ALWAYS_FATAL("%s", ss.str().c_str());
+                }
+
+                mWaiting = false;
+                state = checkForResetAndStop(state);
+                if (state == TimerState::STOPPED) {
+                    break;
+                }
+            }
             // Wait until triggerTime time to check if we need to reset or drop into the idle state.
             if (const auto triggerInterval = triggerTime - mClock->now(); triggerInterval > 0ns) {
                 mWaiting = true;
@@ -137,14 +152,14 @@
                 break;
             }
 
-            if (state == TimerState::WAITING && (triggerTime - mClock->now()) <= 0ns) {
+            if (!mPaused && state == TimerState::WAITING && (triggerTime - mClock->now()) <= 0ns) {
                 triggerTimeout = true;
                 state = TimerState::IDLE;
                 break;
             }
 
             if (state == TimerState::RESET) {
-                triggerTime = mLastResetTime.load() + mInterval;
+                triggerTime = mLastResetTime.load() + mInterval.load();
                 state = TimerState::WAITING;
             }
         }
@@ -179,5 +194,15 @@
     }
 }
 
+void OneShotTimer::pause() {
+    mPaused = true;
+}
+
+void OneShotTimer::resume() {
+    if (mPaused.exchange(false)) {
+        LOG_ALWAYS_FATAL_IF(sem_post(&mSemaphore), "sem_post failed");
+    }
+}
+
 } // namespace scheduler
 } // namespace android
diff --git a/services/surfaceflinger/Scheduler/OneShotTimer.h b/services/surfaceflinger/Scheduler/OneShotTimer.h
index 02e8719..4e1e2ee 100644
--- a/services/surfaceflinger/Scheduler/OneShotTimer.h
+++ b/services/surfaceflinger/Scheduler/OneShotTimer.h
@@ -43,7 +43,8 @@
                  std::unique_ptr<android::Clock> clock = std::make_unique<SteadyClock>());
     ~OneShotTimer();
 
-    Duration interval() const { return mInterval; }
+    Duration interval() const { return mInterval.load(); }
+    void setInterval(Interval value) { mInterval = value; }
 
     // Initializes and turns on the idle timer.
     void start();
@@ -51,6 +52,10 @@
     void stop();
     // Resets the wakeup time and fires the reset callback.
     void reset();
+    // Pauses the timer. reset calls will get ignored.
+    void pause();
+    // Resumes the timer.
+    void resume();
 
 private:
     // Enum to track in what state is the timer.
@@ -91,7 +96,7 @@
     std::string mName;
 
     // Interval after which timer expires.
-    const Interval mInterval;
+    std::atomic<Interval> mInterval;
 
     // Callback that happens when timer resets.
     const ResetCallback mResetCallback;
@@ -105,6 +110,7 @@
     std::atomic<bool> mResetTriggered = false;
     std::atomic<bool> mStopTriggered = false;
     std::atomic<bool> mWaiting = false;
+    std::atomic<bool> mPaused = false;
     std::atomic<std::chrono::steady_clock::time_point> mLastResetTime;
 };
 
diff --git a/services/surfaceflinger/Scheduler/RefreshRateSelector.cpp b/services/surfaceflinger/Scheduler/RefreshRateSelector.cpp
index eac527b..a37fb96 100644
--- a/services/surfaceflinger/Scheduler/RefreshRateSelector.cpp
+++ b/services/surfaceflinger/Scheduler/RefreshRateSelector.cpp
@@ -285,11 +285,12 @@
 
 std::string RefreshRateSelector::Policy::toString() const {
     return base::StringPrintf("{defaultModeId=%d, allowGroupSwitching=%s"
-                              ", primaryRanges=%s, appRequestRanges=%s}",
+                              ", primaryRanges=%s, appRequestRanges=%s idleScreenConfig=%s}",
                               ftl::to_underlying(defaultMode),
                               allowGroupSwitching ? "true" : "false",
-                              to_string(primaryRanges).c_str(),
-                              to_string(appRequestRanges).c_str());
+                              to_string(primaryRanges).c_str(), to_string(appRequestRanges).c_str(),
+                              idleScreenConfigOpt ? idleScreenConfigOpt->toString().c_str()
+                                                  : "nullptr");
 }
 
 std::pair<nsecs_t, nsecs_t> RefreshRateSelector::getDisplayFrames(nsecs_t layerPeriod,
@@ -1255,14 +1256,14 @@
 RefreshRateSelector::RefreshRateSelector(DisplayModes modes, DisplayModeId activeModeId,
                                          Config config)
       : mKnownFrameRates(constructKnownFrameRates(modes)), mConfig(config) {
-    initializeIdleTimer();
+    initializeIdleTimer(mConfig.legacyIdleTimerTimeout);
     FTL_FAKE_GUARD(kMainThreadContext, updateDisplayModes(std::move(modes), activeModeId));
 }
 
-void RefreshRateSelector::initializeIdleTimer() {
-    if (mConfig.idleTimerTimeout > 0ms) {
+void RefreshRateSelector::initializeIdleTimer(std::chrono::milliseconds timeout) {
+    if (timeout > 0ms) {
         mIdleTimer.emplace(
-                "IdleTimer", mConfig.idleTimerTimeout,
+                "IdleTimer", timeout,
                 [this] {
                     std::scoped_lock lock(mIdleTimerCallbacksMutex);
                     if (const auto callbacks = getIdleTimerCallbacks()) {
@@ -1385,9 +1386,40 @@
 
         mGetRankedFrameRatesCache.reset();
 
-        if (*getCurrentPolicyLocked() == oldPolicy) {
+        const auto& idleScreenConfigOpt = getCurrentPolicyLocked()->idleScreenConfigOpt;
+        if (idleScreenConfigOpt != oldPolicy.idleScreenConfigOpt) {
+            if (!idleScreenConfigOpt.has_value()) {
+                // fallback to legacy timer if existed, otherwise pause the old timer
+                LOG_ALWAYS_FATAL_IF(!mIdleTimer);
+                if (mConfig.legacyIdleTimerTimeout > 0ms) {
+                    mIdleTimer->setInterval(mConfig.legacyIdleTimerTimeout);
+                    mIdleTimer->resume();
+                } else {
+                    mIdleTimer->pause();
+                }
+            } else if (idleScreenConfigOpt->timeoutMillis > 0) {
+                // create a new timer or reconfigure
+                const auto timeout = std::chrono::milliseconds{idleScreenConfigOpt->timeoutMillis};
+                if (!mIdleTimer) {
+                    initializeIdleTimer(timeout);
+                    if (mIdleTimerStarted) {
+                        mIdleTimer->start();
+                    }
+                } else {
+                    mIdleTimer->setInterval(timeout);
+                    mIdleTimer->resume();
+                }
+            } else {
+                if (mIdleTimer) {
+                    mIdleTimer->pause();
+                }
+            }
+        }
+
+        if (getCurrentPolicyLocked()->similarExceptIdleConfig(oldPolicy)) {
             return SetPolicyResult::Unchanged;
         }
+
         constructAvailableRefreshRates();
 
         displayId = getActiveModeLocked().modePtr->getPhysicalDisplayId();
@@ -1589,7 +1621,10 @@
 }
 
 std::chrono::milliseconds RefreshRateSelector::getIdleTimerTimeout() {
-    return mConfig.idleTimerTimeout;
+    if (FlagManager::getInstance().idle_screen_refresh_rate_timeout() && mIdleTimer) {
+        return std::chrono::duration_cast<std::chrono::milliseconds>(mIdleTimer->interval());
+    }
+    return mConfig.legacyIdleTimerTimeout;
 }
 
 // TODO(b/293651105): Extract category FpsRange mapping to OEM-configurable config.
diff --git a/services/surfaceflinger/Scheduler/RefreshRateSelector.h b/services/surfaceflinger/Scheduler/RefreshRateSelector.h
index a0e2785..4f491d9 100644
--- a/services/surfaceflinger/Scheduler/RefreshRateSelector.h
+++ b/services/surfaceflinger/Scheduler/RefreshRateSelector.h
@@ -67,26 +67,32 @@
         FpsRanges primaryRanges;
         // The app request refresh rate ranges. @see DisplayModeSpecs.aidl for details.
         FpsRanges appRequestRanges;
+        // The idle timer configuration, if provided.
+        std::optional<gui::DisplayModeSpecs::IdleScreenRefreshRateConfig> idleScreenConfigOpt;
 
         Policy() = default;
 
         Policy(DisplayModeId defaultMode, FpsRange range,
-               bool allowGroupSwitching = kAllowGroupSwitchingDefault)
+               bool allowGroupSwitching = kAllowGroupSwitchingDefault,
+               const std::optional<gui::DisplayModeSpecs::IdleScreenRefreshRateConfig>&
+                       idleScreenConfigOpt = std::nullopt)
               : Policy(defaultMode, FpsRanges{range, range}, FpsRanges{range, range},
-                       allowGroupSwitching) {}
+                       allowGroupSwitching, idleScreenConfigOpt) {}
 
         Policy(DisplayModeId defaultMode, FpsRanges primaryRanges, FpsRanges appRequestRanges,
-               bool allowGroupSwitching = kAllowGroupSwitchingDefault)
+               bool allowGroupSwitching = kAllowGroupSwitchingDefault,
+               const std::optional<gui::DisplayModeSpecs::IdleScreenRefreshRateConfig>&
+                       idleScreenConfigOpt = std::nullopt)
               : defaultMode(defaultMode),
                 allowGroupSwitching(allowGroupSwitching),
                 primaryRanges(primaryRanges),
-                appRequestRanges(appRequestRanges) {}
+                appRequestRanges(appRequestRanges),
+                idleScreenConfigOpt(idleScreenConfigOpt) {}
 
         bool operator==(const Policy& other) const {
             using namespace fps_approx_ops;
-            return defaultMode == other.defaultMode && primaryRanges == other.primaryRanges &&
-                    appRequestRanges == other.appRequestRanges &&
-                    allowGroupSwitching == other.allowGroupSwitching;
+            return similarExceptIdleConfig(other) &&
+                    idleScreenConfigOpt == other.idleScreenConfigOpt;
         }
 
         bool operator!=(const Policy& other) const { return !(*this == other); }
@@ -95,6 +101,13 @@
             return isApproxEqual(primaryRanges.physical.min, primaryRanges.physical.max);
         }
 
+        bool similarExceptIdleConfig(const Policy& updated) const {
+            using namespace fps_approx_ops;
+            return defaultMode == updated.defaultMode && primaryRanges == updated.primaryRanges &&
+                    appRequestRanges == updated.appRequestRanges &&
+                    allowGroupSwitching == updated.allowGroupSwitching;
+        }
+
         std::string toString() const;
     };
 
@@ -291,7 +304,7 @@
         int frameRateMultipleThreshold = 0;
 
         // The Idle Timer timeout. 0 timeout means no idle timer.
-        std::chrono::milliseconds idleTimerTimeout = 0ms;
+        std::chrono::milliseconds legacyIdleTimerTimeout = 0ms;
 
         // The controller representing how the kernel idle timer will be configured
         // either on the HWC api or sysprop.
@@ -302,7 +315,7 @@
             DisplayModes, DisplayModeId activeModeId,
             Config config = {.enableFrameRateOverride = Config::FrameRateOverride::Disabled,
                              .frameRateMultipleThreshold = 0,
-                             .idleTimerTimeout = 0ms,
+                             .legacyIdleTimerTimeout = 0ms,
                              .kernelIdleTimerController = {}});
 
     RefreshRateSelector(const RefreshRateSelector&) = delete;
@@ -383,12 +396,14 @@
     }
 
     void startIdleTimer() {
+        mIdleTimerStarted = true;
         if (mIdleTimer) {
             mIdleTimer->start();
         }
     }
 
     void stopIdleTimer() {
+        mIdleTimerStarted = false;
         if (mIdleTimer) {
             mIdleTimer->stop();
         }
@@ -481,7 +496,7 @@
     void updateDisplayModes(DisplayModes, DisplayModeId activeModeId) EXCLUDES(mLock)
             REQUIRES(kMainThreadContext);
 
-    void initializeIdleTimer();
+    void initializeIdleTimer(std::chrono::milliseconds timeout);
 
     std::optional<IdleTimerCallbacks::Callbacks> getIdleTimerCallbacks() const
             REQUIRES(mIdleTimerCallbacksMutex) {
@@ -562,6 +577,7 @@
     std::optional<IdleTimerCallbacks> mIdleTimerCallbacks GUARDED_BY(mIdleTimerCallbacksMutex);
     // Used to detect (lack of) frame activity.
     ftl::Optional<scheduler::OneShotTimer> mIdleTimer;
+    std::atomic<bool> mIdleTimerStarted = false;
 };
 
 } // namespace android::scheduler
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 1265540..734058a 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -3588,7 +3588,7 @@
                 {.enableFrameRateOverride = enableFrameRateOverride,
                  .frameRateMultipleThreshold =
                          base::GetIntProperty("debug.sf.frame_rate_multiple_threshold"s, 0),
-                 .idleTimerTimeout = idleTimerTimeoutMs,
+                 .legacyIdleTimerTimeout = idleTimerTimeoutMs,
                  .kernelIdleTimerController = kernelIdleTimerController};
 
         creationArgs.refreshRateSelector =
@@ -8639,8 +8639,13 @@
             return INVALID_OPERATION;
         } else {
             using Policy = scheduler::RefreshRateSelector::DisplayManagerPolicy;
+            const auto idleScreenConfigOpt =
+                    FlagManager::getInstance().idle_screen_refresh_rate_timeout()
+                    ? specs.idleScreenRefreshRateConfig
+                    : std::nullopt;
             const Policy policy{DisplayModeId(specs.defaultMode), translate(specs.primaryRanges),
-                                translate(specs.appRequestRanges), specs.allowGroupSwitching};
+                                translate(specs.appRequestRanges), specs.allowGroupSwitching,
+                                idleScreenConfigOpt};
 
             return setDesiredDisplayModeSpecsInternal(display, policy);
         }
diff --git a/services/surfaceflinger/common/Android.bp b/services/surfaceflinger/common/Android.bp
index 4a89dd0..6b971a7 100644
--- a/services/surfaceflinger/common/Android.bp
+++ b/services/surfaceflinger/common/Android.bp
@@ -36,6 +36,7 @@
     static_libs: [
         "libsurfaceflingerflags",
         "android.os.flags-aconfig-cc",
+        "android.server.display.flags-aconfig-cc",
     ],
 }
 
@@ -47,6 +48,7 @@
     static_libs: [
         "libsurfaceflingerflags_test",
         "android.os.flags-aconfig-cc-test",
+        "android.server.display.flags-aconfig-cc",
     ],
 }
 
@@ -59,6 +61,7 @@
         "libsurfaceflinger_common",
         "libsurfaceflingerflags",
         "android.os.flags-aconfig-cc",
+        "android.server.display.flags-aconfig-cc",
     ],
 }
 
@@ -71,5 +74,6 @@
         "libsurfaceflinger_common_test",
         "libsurfaceflingerflags_test",
         "android.os.flags-aconfig-cc-test",
+        "android.server.display.flags-aconfig-cc",
     ],
 }
diff --git a/services/surfaceflinger/common/FlagManager.cpp b/services/surfaceflinger/common/FlagManager.cpp
index 4b34a55..6507aba 100644
--- a/services/surfaceflinger/common/FlagManager.cpp
+++ b/services/surfaceflinger/common/FlagManager.cpp
@@ -28,6 +28,7 @@
 
 #include <android_os.h>
 #include <com_android_graphics_surfaceflinger_flags.h>
+#include <com_android_server_display_feature_flags.h>
 
 namespace android {
 using namespace com::android::graphics::surfaceflinger;
@@ -137,6 +138,7 @@
     DUMP_READ_ONLY_FLAG(dont_skip_on_early_ro);
     DUMP_READ_ONLY_FLAG(protected_if_client);
     DUMP_READ_ONLY_FLAG(ce_fence_promise);
+    DUMP_READ_ONLY_FLAG(idle_screen_refresh_rate_timeout);
 #undef DUMP_READ_ONLY_FLAG
 #undef DUMP_SERVER_FLAG
 #undef DUMP_FLAG_INTERVAL
@@ -190,6 +192,9 @@
 #define FLAG_MANAGER_SERVER_FLAG_IMPORTED(name, syspropOverride, owner) \
     FLAG_MANAGER_FLAG_INTERNAL(name, syspropOverride, true, owner)
 
+#define FLAG_MANAGER_READ_ONLY_FLAG_IMPORTED(name, syspropOverride, owner) \
+    FLAG_MANAGER_FLAG_INTERNAL(name, syspropOverride, false, owner)
+
 /// Legacy server flags ///
 FLAG_MANAGER_LEGACY_SERVER_FLAG(test_flag, "", "")
 FLAG_MANAGER_LEGACY_SERVER_FLAG(use_adpf_cpu_hint, "debug.sf.enable_adpf_cpu_hint",
@@ -230,4 +235,8 @@
 /// Trunk stable server flags from outside SurfaceFlinger ///
 FLAG_MANAGER_SERVER_FLAG_IMPORTED(adpf_use_fmq_channel, "", android::os)
 
+/// Trunk stable readonly flags from outside SurfaceFlinger ///
+FLAG_MANAGER_READ_ONLY_FLAG_IMPORTED(idle_screen_refresh_rate_timeout, "",
+                                     com::android::server::display::feature::flags)
+
 } // namespace android
diff --git a/services/surfaceflinger/common/include/common/FlagManager.h b/services/surfaceflinger/common/include/common/FlagManager.h
index 320e34b..964943c 100644
--- a/services/surfaceflinger/common/include/common/FlagManager.h
+++ b/services/surfaceflinger/common/include/common/FlagManager.h
@@ -76,6 +76,7 @@
     bool dont_skip_on_early_ro() const;
     bool protected_if_client() const;
     bool ce_fence_promise() const;
+    bool idle_screen_refresh_rate_timeout() const;
 
 protected:
     // overridden for unit tests
diff --git a/services/surfaceflinger/common/include/common/test/FlagUtils.h b/services/surfaceflinger/common/include/common/test/FlagUtils.h
index d61fcb5..5317cbb 100644
--- a/services/surfaceflinger/common/include/common/test/FlagUtils.h
+++ b/services/surfaceflinger/common/include/common/test/FlagUtils.h
@@ -18,9 +18,13 @@
 
 #include <common/FlagManager.h>
 
-#define SET_FLAG_FOR_TEST(name, value) \
-    TestFlagSetter _testflag_ {        \
-        (name), (name), (value)        \
+// indirection to resolve __LINE__ in SET_FLAG_FOR_TEST, it's used to create a unique TestFlagSetter
+// setter var name everytime so multiple flags can be set in a test
+#define CONCAT_INNER(a, b) a##b
+#define CONCAT(a, b) CONCAT_INNER(a, b)
+#define SET_FLAG_FOR_TEST(name, value)            \
+    TestFlagSetter CONCAT(_testFlag_, __LINE__) { \
+        (name), (name), (value)                   \
     }
 
 namespace android {
diff --git a/services/surfaceflinger/tests/unittests/RefreshRateSelectorTest.cpp b/services/surfaceflinger/tests/unittests/RefreshRateSelectorTest.cpp
index 0ede612..cf9a7d3 100644
--- a/services/surfaceflinger/tests/unittests/RefreshRateSelectorTest.cpp
+++ b/services/surfaceflinger/tests/unittests/RefreshRateSelectorTest.cpp
@@ -2078,7 +2078,7 @@
     constexpr std::chrono::milliseconds kIdleTimerTimeoutMs = 10ms;
     auto selector = createSelector(makeModes(kMode60, kMode120), kModeId120,
                                    Config{
-                                           .idleTimerTimeout = kIdleTimerTimeoutMs,
+                                           .legacyIdleTimerTimeout = kIdleTimerTimeoutMs,
                                    });
     ASSERT_EQ(KernelIdleTimerAction::TurnOn, selector.getIdleTimerAction());
     ASSERT_EQ(kIdleTimerTimeoutMs, selector.getIdleTimerTimeout());