Add thermal options for refresh rate blocking zones. (2ddd9048) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/display/AutomaticBrightnessController.java

+4 −3

Original line number	Diff line number	Diff line
		@@ -366,9 +366,10 @@ public class AutomaticBrightnessController {
		}

		/**
		* @return The current brightness recommendation calculated from the current conditions.
		* @param brightnessEvent Event object to populate with details about why the specific
		* brightness was chosen.
		* @param brightnessEvent Holds details about how the brightness is calculated.
		*
		* @return The current automatic brightness recommended value. Populates brightnessEvent
		* parameters with details about how the brightness was calculated.
		*/
		public float getAutomaticScreenBrightness(BrightnessEvent brightnessEvent) {
		if (brightnessEvent != null) {

services/core/java/com/android/server/display/DisplayDeviceConfig.java

+32 −1

Original line number	Diff line number	Diff line
		@@ -184,6 +184,7 @@ import javax.xml.datatype.DatatypeConfigurationException;
		* <defaultRefreshRateInHbmSunlight>75</defaultRefreshRateInHbmSunlight>
		* <lowerBlockingZoneConfigs>
		* <defaultRefreshRate>75</defaultRefreshRate>
		* <refreshRateThermalThrottlingId>id_of_a_throttling_map</refreshRateThermalThrottlingId>
		* <blockingZoneThreshold>
		* <displayBrightnessPoint>
		* <lux>50</lux>
		@@ -722,6 +723,12 @@ public class DisplayDeviceConfig {
		private float[] mHighDisplayBrightnessThresholds = DEFAULT_BRIGHTNESS_THRESHOLDS;
		private float[] mHighAmbientBrightnessThresholds = DEFAULT_BRIGHTNESS_THRESHOLDS;

		/**
		* Thermal throttling maps for the low and high blocking zones.
		*/
		private String mLowBlockingZoneThermalMapId = null;
		private String mHighBlockingZoneThermalMapId = null;

		private final HashMap<String, ThermalBrightnessThrottlingData>
		mThermalBrightnessThrottlingDataMapByThrottlingId = new HashMap<>();

		@@ -1525,6 +1532,13 @@ public class DisplayDeviceConfig {
		return mLowAmbientBrightnessThresholds;
		}

		/**
		* @return The refresh rate thermal map for low blocking zone.
		*/
		public SparseArray<SurfaceControl.RefreshRateRange> getLowBlockingZoneThermalMap() {
		return getThermalRefreshRateThrottlingData(mLowBlockingZoneThermalMapId);
		}

		/**
		* @return An array of high display brightness thresholds. This, in combination with high
		* ambient brightness thresholds help define buckets in which the refresh rate switching is not
		@@ -1547,6 +1561,13 @@ public class DisplayDeviceConfig {
		return mHighAmbientBrightnessThresholds;
		}

		/**
		* @return The refresh rate thermal map for high blocking zone.
		*/
		public SparseArray<SurfaceControl.RefreshRateRange> getHighBlockingZoneThermalMap() {
		return getThermalRefreshRateThrottlingData(mHighBlockingZoneThermalMapId);
		}

		/**
		* @return A mapping from screen off brightness sensor readings to lux values. This estimates
		* the ambient lux when the screen is off to determine the initial brightness
		@@ -1664,6 +1685,8 @@ public class DisplayDeviceConfig {
		+ ", mDefaultRefreshRateInHbmHdr= " + mDefaultRefreshRateInHbmHdr
		+ ", mDefaultRefreshRateInHbmSunlight= " + mDefaultRefreshRateInHbmSunlight
		+ ", mRefreshRateThrottlingMap= " + mRefreshRateThrottlingMap
		+ ", mLowBlockingZoneThermalMapId= " + mLowBlockingZoneThermalMapId
		+ ", mHighBlockingZoneThermalMapId= " + mHighBlockingZoneThermalMapId
		+ "\n"
		+ ", mLowDisplayBrightnessThresholds= "
		+ Arrays.toString(mLowDisplayBrightnessThresholds)
		@@ -2114,9 +2137,13 @@ public class DisplayDeviceConfig {
		}

		/**
		* Loads the refresh rate configurations pertaining to the upper blocking zones.
		* Loads the refresh rate configurations pertaining to the lower blocking zones.
		*/
		private void loadLowerRefreshRateBlockingZones(BlockingZoneConfig lowerBlockingZoneConfig) {
		if (lowerBlockingZoneConfig != null) {
		mLowBlockingZoneThermalMapId =
		lowerBlockingZoneConfig.getRefreshRateThermalThrottlingId();
		}
		loadLowerBlockingZoneDefaultRefreshRate(lowerBlockingZoneConfig);
		loadLowerBrightnessThresholds(lowerBlockingZoneConfig);
		}
		@@ -2125,6 +2152,10 @@ public class DisplayDeviceConfig {
		* Loads the refresh rate configurations pertaining to the upper blocking zones.
		*/
		private void loadHigherRefreshRateBlockingZones(BlockingZoneConfig upperBlockingZoneConfig) {
		if (upperBlockingZoneConfig != null) {
		mHighBlockingZoneThermalMapId =
		upperBlockingZoneConfig.getRefreshRateThermalThrottlingId();
		}
		loadHigherBlockingZoneDefaultRefreshRate(upperBlockingZoneConfig);
		loadHigherBrightnessThresholds(upperBlockingZoneConfig);
		}

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

+72 −1

Original line number	Diff line number	Diff line
		@@ -1540,6 +1540,21 @@ public class DisplayModeDirector {
		private final Injector mInjector;
		private final Handler mHandler;

		private final IThermalEventListener.Stub mThermalListener =
		new IThermalEventListener.Stub() {
		@Override
		public void notifyThrottling(Temperature temp) {
		@Temperature.ThrottlingStatus int currentStatus = temp.getStatus();
		synchronized (mLock) {
		if (mThermalStatus != currentStatus) {
		mThermalStatus = currentStatus;
		}
		onBrightnessChangedLocked();
		}
		}
		};
		private boolean mThermalRegistered;

		// Enable light sensor only when mShouldObserveAmbientLowChange is true or
		// mShouldObserveAmbientHighChange is true, screen is on, peak refresh rate
		// changeable and low power mode off. After initialization, these states will
		@@ -1548,9 +1563,17 @@ public class DisplayModeDirector {
		private boolean mRefreshRateChangeable = false;
		private boolean mLowPowerModeEnabled = false;

		@Nullable
		private SparseArray<RefreshRateRange> mLowZoneRefreshRateForThermals;
		private int mRefreshRateInLowZone;

		@Nullable
		private SparseArray<RefreshRateRange> mHighZoneRefreshRateForThermals;
		private int mRefreshRateInHighZone;

		@GuardedBy("mLock")
		private @Temperature.ThrottlingStatus int mThermalStatus = Temperature.THROTTLING_NONE;

		BrightnessObserver(Context context, Handler handler, Injector injector) {
		mContext = context;
		mHandler = handler;
		@@ -1649,6 +1672,8 @@ public class DisplayModeDirector {
		R.integer.config_defaultRefreshRateInZone)
		: displayDeviceConfig.getDefaultLowBlockingZoneRefreshRate();
		}
		mLowZoneRefreshRateForThermals = displayDeviceConfig == null ? null
		: displayDeviceConfig.getLowBlockingZoneThermalMap();
		mRefreshRateInLowZone = refreshRateInLowZone;
		}

		@@ -1668,6 +1693,8 @@ public class DisplayModeDirector {
		R.integer.config_fixedRefreshRateInHighZone)
		: displayDeviceConfig.getDefaultHighBlockingZoneRefreshRate();
		}
		mHighZoneRefreshRateForThermals = displayDeviceConfig == null ? null
		: displayDeviceConfig.getHighBlockingZoneThermalMap();
		mRefreshRateInHighZone = refreshRateInHighZone;
		}

		@@ -2117,6 +2144,15 @@ public class DisplayModeDirector {
		if (insideLowZone) {
		refreshRateVote =
		Vote.forPhysicalRefreshRates(mRefreshRateInLowZone, mRefreshRateInLowZone);
		if (mLowZoneRefreshRateForThermals != null) {
		RefreshRateRange range = SkinThermalStatusObserver
		.findBestMatchingRefreshRateRange(mThermalStatus,
		mLowZoneRefreshRateForThermals);
		if (range != null) {
		refreshRateVote =
		Vote.forPhysicalRefreshRates(range.min, range.max);
		}
		}
		refreshRateSwitchingVote = Vote.forDisableRefreshRateSwitching();
		}

		@@ -2126,6 +2162,15 @@ public class DisplayModeDirector {
		refreshRateVote =
		Vote.forPhysicalRefreshRates(mRefreshRateInHighZone,
		mRefreshRateInHighZone);
		if (mHighZoneRefreshRateForThermals != null) {
		RefreshRateRange range = SkinThermalStatusObserver
		.findBestMatchingRefreshRateRange(mThermalStatus,
		mHighZoneRefreshRateForThermals);
		if (range != null) {
		refreshRateVote =
		Vote.forPhysicalRefreshRates(range.min, range.max);
		}
		}
		refreshRateSwitchingVote = Vote.forDisableRefreshRateSwitching();
		}

		@@ -2184,13 +2229,25 @@ public class DisplayModeDirector {
		+ mRefreshRateChangeable);
		}

		boolean registerForThermals = false;
		if ((mShouldObserveAmbientLowChange \|\| mShouldObserveAmbientHighChange)
		&& isDeviceActive() && !mLowPowerModeEnabled && mRefreshRateChangeable) {
		registerLightSensor();

		registerForThermals = mLowZoneRefreshRateForThermals != null
		\|\| mHighZoneRefreshRateForThermals != null;
		} else {
		unregisterSensorListener();
		}

		if (registerForThermals && !mThermalRegistered) {
		mThermalRegistered = mInjector.registerThermalServiceListener(mThermalListener);
		} else if (!registerForThermals && mThermalRegistered) {
		mInjector.unregisterThermalServiceListener(mThermalListener);
		mThermalRegistered = false;
		synchronized (mLock) {
		mThermalStatus = Temperature.THROTTLING_NONE; // reset
		}
		}
		}

		private void registerLightSensor() {
		@@ -2823,6 +2880,7 @@ public class DisplayModeDirector {
		boolean isDozeState(Display d);

		boolean registerThermalServiceListener(IThermalEventListener listener);
		void unregisterThermalServiceListener(IThermalEventListener listener);

		boolean supportsFrameRateOverride();
		}
		@@ -2917,6 +2975,19 @@ public class DisplayModeDirector {
		return true;
		}

		@Override
		public void unregisterThermalServiceListener(IThermalEventListener listener) {
		IThermalService thermalService = getThermalService();
		if (thermalService == null) {
		Slog.w(TAG, "Could not unregister thermal status. Service not available");
		}
		try {
		thermalService.unregisterThermalEventListener(listener);
		} catch (RemoteException e) {
		Slog.e(TAG, "Failed to unregister thermal status listener", e);
		}
		}

		@Override
		public boolean supportsFrameRateOverride() {
		return SurfaceFlingerProperties.enable_frame_rate_override().orElse(true);

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

+14 −14

Original line number	Diff line number	Diff line
		@@ -64,6 +64,20 @@ final class SkinThermalStatusObserver extends IThermalEventListener.Stub impleme
		mHandler = handler;
		}

		@Nullable
		public static SurfaceControl.RefreshRateRange findBestMatchingRefreshRateRange(
		@Temperature.ThrottlingStatus int currentStatus,
		SparseArray<SurfaceControl.RefreshRateRange> throttlingMap) {
		SurfaceControl.RefreshRateRange foundRange = null;
		for (int status = currentStatus; status >= 0; status--) {
		foundRange = throttlingMap.get(status);
		if (foundRange != null) {
		break;
		}
		}
		return foundRange;
		}

		void observe() {
		// if failed to register thermal service listener, don't register display listener
		if (!mInjector.registerThermalServiceListener(this)) {
		@@ -228,20 +242,6 @@ final class SkinThermalStatusObserver extends IThermalEventListener.Stub impleme
		}
		}

		@Nullable
		private SurfaceControl.RefreshRateRange findBestMatchingRefreshRateRange(
		@Temperature.ThrottlingStatus int currentStatus,
		SparseArray<SurfaceControl.RefreshRateRange> throttlingMap) {
		SurfaceControl.RefreshRateRange foundRange = null;
		for (int status = currentStatus; status >= 0; status--) {
		foundRange = throttlingMap.get(status);
		if (foundRange != null) {
		break;
		}
		}
		return foundRange;
		}

		private void fallbackReportThrottlingIfNeeded(int displayId,
		@Temperature.ThrottlingStatus int currentStatus) {
		Vote vote = null;

services/core/xsd/display-device-config/display-device-config.xsd

+4 −0

Original line number	Diff line number	Diff line
		@@ -579,6 +579,10 @@
		minOccurs="1" maxOccurs="1">
		<xs:annotation name="final"/>
		</xs:element>
		<xs:element type ="xs:string" name="refreshRateThermalThrottlingId">
		<xs:annotation name="nullable"/>
		<xs:annotation name="final"/>
		</xs:element>
		<xs:element name="blockingZoneThreshold" type="blockingZoneThreshold"
		minOccurs="1" maxOccurs="1">
		<xs:annotation name="final"/>