Add brightness throttling map for concurrent displays (27403ad4) · Commits · e / os / android_frameworks_base

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

+65 −5

Original line number	Diff line number	Diff line
		@@ -132,6 +132,16 @@ import javax.xml.datatype.DatatypeConfigurationException;
		* <brightness>0.01</brightness>
		* </brightnessThrottlingPoint>
		* </brightnessThrottlingMap>
		* <concurrentDisplaysBrightnessThrottlingMap>
		* <brightnessThrottlingPoint>
		* <thermalStatus>severe</thermalStatus>
		* <brightness>0.07</brightness>
		* </brightnessThrottlingPoint>
		* <brightnessThrottlingPoint>
		* <thermalStatus>critical</thermalStatus>
		* <brightness>0.005</brightness>
		* </brightnessThrottlingPoint>
		* </concurrentDisplaysBrightnessThrottlingMap>
		* </thermalThrottling>
		*
		* <refreshRate>
		@@ -613,6 +623,8 @@ public class DisplayDeviceConfig {
		// overwritten value.
		private BrightnessThrottlingData mBrightnessThrottlingData;
		private BrightnessThrottlingData mOriginalBrightnessThrottlingData;
		// The concurrent displays mode might need a stricter throttling policy
		private BrightnessThrottlingData mConcurrentDisplaysBrightnessThrottlingData;

		@VisibleForTesting
		DisplayDeviceConfig(Context context) {
		@@ -1258,12 +1270,20 @@ public class DisplayDeviceConfig {
		}

		/**
		* @return brightness throttling data configuration data for the display.
		* @return brightness throttling configuration data for the display.
		*/
		public BrightnessThrottlingData getBrightnessThrottlingData() {
		return BrightnessThrottlingData.create(mBrightnessThrottlingData);
		}

		/**
		* @return brightness throttling configuration data for the display for the concurrent
		* displays mode.
		*/
		public BrightnessThrottlingData getConcurrentDisplaysBrightnessThrottlingData() {
		return BrightnessThrottlingData.create(mConcurrentDisplaysBrightnessThrottlingData);
		}

		/**
		* @return Auto brightness darkening light debounce
		*/
		@@ -1503,6 +1523,7 @@ public class DisplayDeviceConfig {
		loadBrightnessConstraintsFromConfigXml();
		loadBrightnessMap(config);
		loadBrightnessThrottlingMap(config);
		loadConcurrentDisplaysBrightnessThrottlingMap(config);
		loadHighBrightnessModeData(config);
		loadQuirks(config);
		loadBrightnessRamps(config);
		@@ -1714,13 +1735,13 @@ public class DisplayDeviceConfig {
		private void loadBrightnessThrottlingMap(DisplayConfiguration config) {
		final ThermalThrottling throttlingConfig = config.getThermalThrottling();
		if (throttlingConfig == null) {
		Slog.i(TAG, "no thermal throttling config found");
		Slog.i(TAG, "No thermal throttling config found");
		return;
		}

		final BrightnessThrottlingMap map = throttlingConfig.getBrightnessThrottlingMap();
		if (map == null) {
		Slog.i(TAG, "no brightness throttling map found");
		Slog.i(TAG, "No brightness throttling map found");
		return;
		}

		@@ -1747,6 +1768,43 @@ public class DisplayDeviceConfig {
		}
		}

		private void loadConcurrentDisplaysBrightnessThrottlingMap(DisplayConfiguration config) {
		final ThermalThrottling throttlingConfig = config.getThermalThrottling();
		if (throttlingConfig == null) {
		Slog.i(TAG, "No concurrent displays thermal throttling config found");
		return;
		}

		final BrightnessThrottlingMap map =
		throttlingConfig.getConcurrentDisplaysBrightnessThrottlingMap();
		if (map == null) {
		Slog.i(TAG, "No concurrent displays brightness throttling map found");
		return;
		}

		final List<BrightnessThrottlingPoint> points = map.getBrightnessThrottlingPoint();
		// At least 1 point is guaranteed by the display device config schema
		List<BrightnessThrottlingData.ThrottlingLevel> throttlingLevels =
		new ArrayList<>(points.size());

		boolean badConfig = false;
		for (BrightnessThrottlingPoint point : points) {
		ThermalStatus status = point.getThermalStatus();
		if (!thermalStatusIsValid(status)) {
		badConfig = true;
		break;
		}

		throttlingLevels.add(new BrightnessThrottlingData.ThrottlingLevel(
		convertThermalStatus(status), point.getBrightness().floatValue()));
		}

		if (!badConfig) {
		mConcurrentDisplaysBrightnessThrottlingData =
		BrightnessThrottlingData.create(throttlingLevels);
		}
		}

		private void loadRefreshRateSetting(DisplayConfiguration config) {
		final RefreshRateConfigs refreshRateConfigs =
		(config == null) ? null : config.getRefreshRate();
		@@ -2529,7 +2587,8 @@ public class DisplayDeviceConfig {
		}
		}

		private @PowerManager.ThermalStatus int convertThermalStatus(ThermalStatus value) {
		@VisibleForTesting
		static @PowerManager.ThermalStatus int convertThermalStatus(ThermalStatus value) {
		if (value == null) {
		return PowerManager.THERMAL_STATUS_NONE;
		}
		@@ -2855,7 +2914,8 @@ public class DisplayDeviceConfig {
		return throttlingLevels.hashCode();
		}

		private BrightnessThrottlingData(List<ThrottlingLevel> inLevels) {
		@VisibleForTesting
		BrightnessThrottlingData(List<ThrottlingLevel> inLevels) {
		throttlingLevels = new ArrayList<>(inLevels.size());
		for (ThrottlingLevel level : inLevels) {
		throttlingLevels.add(new ThrottlingLevel(level.thermalStatus, level.brightness));

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

+7 −0

Original line number	Diff line number	Diff line
		@@ -885,6 +885,9 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
		updatePowerState();
		}
		});

		// TODO (b/265793751): Re-create BrightnessTracker if we're enetering/exiting concurrent
		// displays mode
		}

		/**
		@@ -943,6 +946,8 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
		return mDisplayDeviceConfig.getHdrBrightnessFromSdr(sdrBrightness);
		}
		});
		// TODO (b/265793751): Use the appropriate throttling data if we're in concurrent displays
		// mode
		mBrightnessThrottler.resetThrottlingData(
		mDisplayDeviceConfig.getBrightnessThrottlingData(), mUniqueDisplayId);
		}
		@@ -2038,6 +2043,8 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
		private BrightnessThrottler createBrightnessThrottlerLocked() {
		final DisplayDevice device = mLogicalDisplay.getPrimaryDisplayDeviceLocked();
		final DisplayDeviceConfig ddConfig = device.getDisplayDeviceConfig();
		// TODO (b/265793751): Use the appropriate throttling data if we're in concurrent displays
		// mode
		final DisplayDeviceConfig.BrightnessThrottlingData data =
		ddConfig != null ? ddConfig.getBrightnessThrottlingData() : null;
		return new BrightnessThrottler(mHandler, data,

services/core/java/com/android/server/display/DisplayPowerController2.java

+7 −0

Original line number	Diff line number	Diff line
		@@ -732,6 +732,9 @@ final class DisplayPowerController2 implements AutomaticBrightnessController.Cal
		updatePowerState();
		}
		});

		// TODO (b/265793751): Re-create BrightnessTracker if we're enetering/exiting concurrent
		// displays mode
		}

		/**
		@@ -783,6 +786,8 @@ final class DisplayPowerController2 implements AutomaticBrightnessController.Cal
		return mDisplayDeviceConfig.getHdrBrightnessFromSdr(sdrBrightness);
		}
		});
		// TODO (b/265793751): Use the appropriate throttling data if we're in concurrent displays
		// mode
		mBrightnessThrottler.resetThrottlingData(
		mDisplayDeviceConfig.getBrightnessThrottlingData(), mUniqueDisplayId);
		}
		@@ -1745,6 +1750,8 @@ final class DisplayPowerController2 implements AutomaticBrightnessController.Cal
		private BrightnessThrottler createBrightnessThrottlerLocked() {
		final DisplayDevice device = mLogicalDisplay.getPrimaryDisplayDeviceLocked();
		final DisplayDeviceConfig ddConfig = device.getDisplayDeviceConfig();
		// TODO (b/265793751): Use the appropriate throttling data if we're in concurrent displays
		// mode
		final DisplayDeviceConfig.BrightnessThrottlingData data =
		ddConfig != null ? ddConfig.getBrightnessThrottlingData() : null;
		return new BrightnessThrottler(mHandler, data,

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

+5 −2

Original line number	Diff line number	Diff line
		@@ -202,12 +202,15 @@
		</xs:simpleType>

		<xs:complexType name="thermalThrottling">
		<xs:complexType>
		<xs:sequence>
		<xs:element type="brightnessThrottlingMap" name="brightnessThrottlingMap">
		<xs:annotation name="nonnull"/>
		<xs:annotation name="final"/>
		</xs:element>
		</xs:complexType>
		<xs:element type="brightnessThrottlingMap" name="concurrentDisplaysBrightnessThrottlingMap">
		<xs:annotation name="final"/>
		</xs:element>
		</xs:sequence>
		</xs:complexType>

		<xs:complexType name="brightnessThrottlingMap">

services/core/xsd/display-device-config/schema/current.txt

+2 −0

Original line number	Diff line number	Diff line
		@@ -237,7 +237,9 @@ package com.android.server.display.config {
		public class ThermalThrottling {
		ctor public ThermalThrottling();
		method @NonNull public final com.android.server.display.config.BrightnessThrottlingMap getBrightnessThrottlingMap();
		method public final com.android.server.display.config.BrightnessThrottlingMap getConcurrentDisplaysBrightnessThrottlingMap();
		method public final void setBrightnessThrottlingMap(@NonNull com.android.server.display.config.BrightnessThrottlingMap);
		method public final void setConcurrentDisplaysBrightnessThrottlingMap(com.android.server.display.config.BrightnessThrottlingMap);
		}

		public class ThresholdPoint {