External Display render rate at mode rate (6a018266) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/display/mode/DisplayModeDirector.java

+13 −1

Original line number	Diff line number	Diff line
		@@ -388,6 +388,14 @@ public class DisplayModeDirector {
		boolean allowGroupSwitching =
		mModeSwitchingType == DisplayManager.SWITCHING_TYPE_ACROSS_AND_WITHIN_GROUPS;

		// Some external displays physical refresh rate modes are slightly above 60hz.
		// SurfaceFlinger will not enable these display modes unless it is configured to allow
		// render rate at least at this frame rate.
		if (mDisplayObserver.isExternalDisplayLocked(displayId)) {
		primarySummary.maxRenderFrameRate = Math.max(baseMode.getRefreshRate(),
		primarySummary.maxRenderFrameRate);
		}

		return new DesiredDisplayModeSpecs(baseMode.getModeId(),
		allowGroupSwitching,
		new RefreshRateRanges(
		@@ -1311,6 +1319,10 @@ public class DisplayModeDirector {
		updateUserSettingDisplayPreferredSize(displayInfo);
		}

		boolean isExternalDisplayLocked(int displayId) {
		return mExternalDisplaysConnected.contains(displayId);
		}

		@Nullable
		private DisplayInfo getDisplayInfo(int displayId) {
		DisplayInfo info = new DisplayInfo();
		@@ -1419,7 +1431,7 @@ public class DisplayModeDirector {
		return;
		}
		synchronized (mLock) {
		if (!mExternalDisplaysConnected.contains(displayId)) {
		if (!isExternalDisplayLocked(displayId)) {
		return;
		}
		mExternalDisplaysConnected.remove(displayId);

services/tests/displayservicetests/src/com/android/server/display/mode/DisplayModeDirectorTest.java

+31 −0

Original line number	Diff line number	Diff line
		@@ -1698,6 +1698,37 @@ public class DisplayModeDirectorTest {
		assertVoteForRenderFrameRateRange(vote, /* frameRateLow= / 0, / frameRateHigh= */ 140);
		}

		@Test
		@Parameters({
		"true, true, 60",
		"false, true, 50",
		"true, false, 50"
		})
		public void testExternalDisplayMaxRefreshRate(boolean isRefreshRateSynchronizationEnabled,
		boolean isExternalDisplay, float expectedMaxRenderFrameRate) {
		when(mDisplayManagerFlags.isDisplaysRefreshRatesSynchronizationEnabled())
		.thenReturn(isRefreshRateSynchronizationEnabled);
		when(mResources.getBoolean(R.bool.config_refreshRateSynchronizationEnabled))
		.thenReturn(isRefreshRateSynchronizationEnabled);
		mInjector.mDisplayInfo.type =
		isExternalDisplay ? Display.TYPE_EXTERNAL : Display.TYPE_INTERNAL;
		mInjector.mDisplayInfo.displayId = DISPLAY_ID_2;

		DisplayModeDirector director = createDirectorFromModeArray(TEST_MODES, DEFAULT_MODE_60);

		SparseArray<Vote> votes = new SparseArray<>();
		votes.put(Vote.PRIORITY_LOW_POWER_MODE, Vote.forRenderFrameRates(0, 50f));

		SparseArray<SparseArray<Vote>> votesByDisplay = new SparseArray<>();
		votesByDisplay.put(DISPLAY_ID_2, votes);

		director.getDisplayObserver().onDisplayAdded(DISPLAY_ID_2);
		director.injectVotesByDisplay(votesByDisplay);

		var desiredSpecs = director.getDesiredDisplayModeSpecs(DISPLAY_ID_2);
		assertThat(desiredSpecs.primary.render.max).isEqualTo(expectedMaxRenderFrameRate);
		}

		@Test
		public void testMinRefreshRate_FlagEnabled() {
		when(mDisplayManagerFlags.isBackUpSmoothDisplayAndForcePeakRefreshRateEnabled())