[SF] Don't cache VSYNC state in SF am: c75b0777fe am: f067cd0bc8 am: 58cdff37ef am: 32fd5d62e1

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/11895140

Change-Id: I352fefb78f66f25af20bce7495c8e0713eab79fb
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 4492f94..11ee41b 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -1670,7 +1670,7 @@
     if (const auto displayId = getInternalDisplayIdLocked()) {
         sp<DisplayDevice> display = getDefaultDisplayDeviceLocked();
         if (display && display->isPoweredOn()) {
-            setVsyncEnabledInHWC(*displayId, mHWCVsyncPendingState);
+            getHwComposer().setVsyncEnabled(*displayId, mHWCVsyncPendingState);
         }
     }
 }
@@ -4161,13 +4161,6 @@
     static_cast<void>(schedule([this]() MAIN_THREAD { onInitializeDisplays(); }));
 }
 
-void SurfaceFlinger::setVsyncEnabledInHWC(DisplayId displayId, hal::Vsync enabled) {
-    if (mHWCVsyncState != enabled) {
-        getHwComposer().setVsyncEnabled(displayId, enabled);
-        mHWCVsyncState = enabled;
-    }
-}
-
 void SurfaceFlinger::setPowerModeInternal(const sp<DisplayDevice>& display, hal::PowerMode mode) {
     if (display->isVirtual()) {
         ALOGE("%s: Invalid operation on virtual display", __FUNCTION__);
@@ -4196,7 +4189,7 @@
         }
         getHwComposer().setPowerMode(*displayId, mode);
         if (display->isPrimary() && mode != hal::PowerMode::DOZE_SUSPEND) {
-            setVsyncEnabledInHWC(*displayId, mHWCVsyncPendingState);
+            getHwComposer().setVsyncEnabled(*displayId, mHWCVsyncPendingState);
             mScheduler->onScreenAcquired(mAppConnectionHandle);
             mScheduler->resyncToHardwareVsync(true, getVsyncPeriod());
         }
@@ -4215,7 +4208,7 @@
         }
 
         // Make sure HWVsync is disabled before turning off the display
-        setVsyncEnabledInHWC(*displayId, hal::Vsync::DISABLE);
+        getHwComposer().setVsyncEnabled(*displayId, hal::Vsync::DISABLE);
 
         getHwComposer().setPowerMode(*displayId, mode);
         mVisibleRegionsDirty = true;
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 5c81a54..0785dda 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -302,7 +302,6 @@
 
     // main thread function to enable/disable h/w composer event
     void setPrimaryVsyncEnabledInternal(bool enabled) REQUIRES(mStateLock);
-    void setVsyncEnabledInHWC(DisplayId displayId, hal::Vsync enabled);
 
     // called on the main thread by MessageQueue when an internal message
     // is received
@@ -1211,6 +1210,7 @@
     std::unique_ptr<scheduler::RefreshRateStats> mRefreshRateStats;
 
     std::atomic<nsecs_t> mExpectedPresentTime = 0;
+    hal::Vsync mHWCVsyncPendingState = hal::Vsync::DISABLE;
 
     /* ------------------------------------------------------------------------
      * Generic Layer Metadata
@@ -1281,10 +1281,6 @@
     // be any issues with a raw pointer referencing an invalid object.
     std::unordered_set<Layer*> mOffscreenLayers;
 
-    // Flags to capture the state of Vsync in HWC
-    hal::Vsync mHWCVsyncState = hal::Vsync::DISABLE;
-    hal::Vsync mHWCVsyncPendingState = hal::Vsync::DISABLE;
-
     // Fields tracking the current jank event: when it started and how many
     // janky frames there are.
     nsecs_t mMissedFrameJankStart = 0;