Revert "Revert "Revert "Revert "[hbm] Separate HBM times for multi-display devices."""" (d3bc4913) · Commits · e / os / android_frameworks_base

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

+55 −4

Original line number	Diff line number	Diff line
		@@ -108,6 +108,7 @@ import android.os.UserManager;
		import android.provider.DeviceConfig;
		import android.provider.Settings;
		import android.text.TextUtils;
		import android.util.ArrayMap;
		import android.util.ArraySet;
		import android.util.EventLog;
		import android.util.IntArray;
		@@ -259,6 +260,13 @@ public final class DisplayManagerService extends SystemService {
		final SparseArray<Pair<IVirtualDevice, DisplayWindowPolicyController>>
		mDisplayWindowPolicyControllers = new SparseArray<>();

		/**
		* Map of every internal primary display device {@link HighBrightnessModeMetadata}s indexed by
		* {@link DisplayDevice#mUniqueId}.
		*/
		public final ArrayMap<String, HighBrightnessModeMetadata> mHighBrightnessModeMetadataMap =
		new ArrayMap<>();

		// List of all currently registered display adapters.
		private final ArrayList<DisplayAdapter> mDisplayAdapters = new ArrayList<DisplayAdapter>();

		@@ -1634,7 +1642,16 @@ public final class DisplayManagerService extends SystemService {

		DisplayPowerControllerInterface dpc = mDisplayPowerControllers.get(displayId);
		if (dpc != null) {
		dpc.onDisplayChanged();
		final DisplayDevice device = display.getPrimaryDisplayDeviceLocked();
		if (device == null) {
		Slog.wtf(TAG, "Display Device is null in DisplayManagerService for display: "
		+ display.getDisplayIdLocked());
		return;
		}

		final String uniqueId = device.getUniqueId();
		HighBrightnessModeMetadata hbmMetadata = mHighBrightnessModeMetadataMap.get(uniqueId);
		dpc.onDisplayChanged(hbmMetadata);
		}
		}

		@@ -1692,7 +1709,15 @@ public final class DisplayManagerService extends SystemService {
		final int displayId = display.getDisplayIdLocked();
		final DisplayPowerControllerInterface dpc = mDisplayPowerControllers.get(displayId);
		if (dpc != null) {
		dpc.onDisplayChanged();
		final DisplayDevice device = display.getPrimaryDisplayDeviceLocked();
		if (device == null) {
		Slog.wtf(TAG, "Display Device is null in DisplayManagerService for display: "
		+ display.getDisplayIdLocked());
		return;
		}
		final String uniqueId = device.getUniqueId();
		HighBrightnessModeMetadata hbmMetadata = mHighBrightnessModeMetadataMap.get(uniqueId);
		dpc.onDisplayChanged(hbmMetadata);
		}
		}

		@@ -2645,6 +2670,26 @@ public final class DisplayManagerService extends SystemService {
		mLogicalDisplayMapper.forEachLocked(this::addDisplayPowerControllerLocked);
		}

		private HighBrightnessModeMetadata getHighBrightnessModeMetadata(LogicalDisplay display) {
		final DisplayDevice device = display.getPrimaryDisplayDeviceLocked();
		if (device == null) {
		Slog.wtf(TAG, "Display Device is null in DisplayPowerController for display: "
		+ display.getDisplayIdLocked());
		return null;
		}

		final String uniqueId = device.getUniqueId();

		if (mHighBrightnessModeMetadataMap.containsKey(uniqueId)) {
		return mHighBrightnessModeMetadataMap.get(uniqueId);
		}

		// HBM Time info not present. Create a new one for this physical display.
		HighBrightnessModeMetadata hbmInfo = new HighBrightnessModeMetadata();
		mHighBrightnessModeMetadataMap.put(uniqueId, hbmInfo);
		return hbmInfo;
		}

		@RequiresPermission(Manifest.permission.READ_DEVICE_CONFIG)
		private void addDisplayPowerControllerLocked(LogicalDisplay display) {
		if (mPowerHandler == null) {
		@@ -2660,17 +2705,23 @@ public final class DisplayManagerService extends SystemService {
		display, mSyncRoot);
		final DisplayPowerControllerInterface displayPowerController;

		// If display is internal and has a HighBrightnessModeMetadata mapping, use that.
		// Or create a new one and use that.
		// We also need to pass a mapping of the HighBrightnessModeTimeInfoMap to
		// displayPowerController, so the hbm info can be correctly associated
		// with the corresponding displaydevice.
		HighBrightnessModeMetadata hbmMetadata = getHighBrightnessModeMetadata(display);
		if (DeviceConfig.getBoolean("display_manager",
		"use_newly_structured_display_power_controller", true)) {
		displayPowerController = new DisplayPowerController2(
		mContext, /* injector= */ null, mDisplayPowerCallbacks, mPowerHandler,
		mSensorManager, mDisplayBlanker, display, mBrightnessTracker, brightnessSetting,
		() -> handleBrightnessChange(display));
		() -> handleBrightnessChange(display), hbmMetadata);
		} else {
		displayPowerController = new DisplayPowerController(
		mContext, /* injector= */ null, mDisplayPowerCallbacks, mPowerHandler,
		mSensorManager, mDisplayBlanker, display, mBrightnessTracker, brightnessSetting,
		() -> handleBrightnessChange(display));
		() -> handleBrightnessChange(display), hbmMetadata);
		}
		mDisplayPowerControllers.append(display.getDisplayIdLocked(), displayPowerController);
		}

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

+9 −5

Original line number	Diff line number	Diff line
		@@ -388,6 +388,7 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
		private float[] mNitsRange;

		private final HighBrightnessModeController mHbmController;
		private final HighBrightnessModeMetadata mHighBrightnessModeMetadata;

		private final BrightnessThrottler mBrightnessThrottler;

		@@ -505,13 +506,14 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
		DisplayPowerCallbacks callbacks, Handler handler,
		SensorManager sensorManager, DisplayBlanker blanker, LogicalDisplay logicalDisplay,
		BrightnessTracker brightnessTracker, BrightnessSetting brightnessSetting,
		Runnable onBrightnessChangeRunnable) {
		Runnable onBrightnessChangeRunnable, HighBrightnessModeMetadata hbmMetadata) {

		mInjector = injector != null ? injector : new Injector();
		mClock = mInjector.getClock();
		mLogicalDisplay = logicalDisplay;
		mDisplayId = mLogicalDisplay.getDisplayIdLocked();
		mTag = "DisplayPowerController[" + mDisplayId + "]";
		mHighBrightnessModeMetadata = hbmMetadata;
		mSuspendBlockerIdUnfinishedBusiness = getSuspendBlockerUnfinishedBusinessId(mDisplayId);
		mSuspendBlockerIdOnStateChanged = getSuspendBlockerOnStateChangedId(mDisplayId);
		mSuspendBlockerIdProxPositive = getSuspendBlockerProxPositiveId(mDisplayId);
		@@ -790,7 +792,7 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
		* Make sure DisplayManagerService.mSyncRoot is held when this is called
		*/
		@Override
		public void onDisplayChanged() {
		public void onDisplayChanged(HighBrightnessModeMetadata hbmMetadata) {
		final DisplayDevice device = mLogicalDisplay.getPrimaryDisplayDeviceLocked();
		if (device == null) {
		Slog.wtf(mTag, "Display Device is null in DisplayPowerController for display: "
		@@ -812,7 +814,7 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
		mUniqueDisplayId = uniqueId;
		mDisplayStatsId = mUniqueDisplayId.hashCode();
		mDisplayDeviceConfig = config;
		loadFromDisplayDeviceConfig(token, info);
		loadFromDisplayDeviceConfig(token, info, hbmMetadata);

		// Since the underlying display-device changed, we really don't know the
		// last command that was sent to change it's state. Lets assume it is off and we
		@@ -864,7 +866,8 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
		}
		}

		private void loadFromDisplayDeviceConfig(IBinder token, DisplayDeviceInfo info) {
		private void loadFromDisplayDeviceConfig(IBinder token, DisplayDeviceInfo info,
		HighBrightnessModeMetadata hbmMetadata) {
		// All properties that depend on the associated DisplayDevice and the DDC must be
		// updated here.
		loadBrightnessRampRates();
		@@ -877,6 +880,7 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
		mBrightnessRampIncreaseMaxTimeMillis,
		mBrightnessRampDecreaseMaxTimeMillis);
		}
		mHbmController.setHighBrightnessModeMetadata(hbmMetadata);
		mHbmController.resetHbmData(info.width, info.height, token, info.uniqueId,
		mDisplayDeviceConfig.getHighBrightnessModeData(),
		new HighBrightnessModeController.HdrBrightnessDeviceConfig() {
		@@ -1961,7 +1965,7 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
		if (mAutomaticBrightnessController != null) {
		mAutomaticBrightnessController.update();
		}
		}, mContext);
		}, mHighBrightnessModeMetadata, mContext);
		}

		private BrightnessThrottler createBrightnessThrottlerLocked() {

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

+10 −5

Original line number	Diff line number	Diff line
		@@ -328,6 +328,7 @@ final class DisplayPowerController2 implements AutomaticBrightnessController.Cal
		private float[] mNitsRange;

		private final HighBrightnessModeController mHbmController;
		private final HighBrightnessModeMetadata mHighBrightnessModeMetadata;

		private final BrightnessThrottler mBrightnessThrottler;

		@@ -432,7 +433,7 @@ final class DisplayPowerController2 implements AutomaticBrightnessController.Cal
		DisplayPowerCallbacks callbacks, Handler handler,
		SensorManager sensorManager, DisplayBlanker blanker, LogicalDisplay logicalDisplay,
		BrightnessTracker brightnessTracker, BrightnessSetting brightnessSetting,
		Runnable onBrightnessChangeRunnable) {
		Runnable onBrightnessChangeRunnable, HighBrightnessModeMetadata hbmMetadata) {

		mInjector = injector != null ? injector : new Injector();
		mClock = mInjector.getClock();
		@@ -448,6 +449,7 @@ final class DisplayPowerController2 implements AutomaticBrightnessController.Cal
		mDisplayPowerProximityStateController = mInjector.getDisplayPowerProximityStateController(
		mWakelockController, mDisplayDeviceConfig, mHandler.getLooper(),
		() -> updatePowerState(), mDisplayId, mSensorManager);
		mHighBrightnessModeMetadata = hbmMetadata;
		mDisplayStateController = new DisplayStateController(mDisplayPowerProximityStateController);
		mTag = "DisplayPowerController2[" + mDisplayId + "]";

		@@ -707,7 +709,7 @@ final class DisplayPowerController2 implements AutomaticBrightnessController.Cal
		* Make sure DisplayManagerService.mSyncRoot lock is held when this is called
		*/
		@Override
		public void onDisplayChanged() {
		public void onDisplayChanged(HighBrightnessModeMetadata hbmMetadata) {
		final DisplayDevice device = mLogicalDisplay.getPrimaryDisplayDeviceLocked();
		if (device == null) {
		Slog.wtf(mTag, "Display Device is null in DisplayPowerController2 for display: "
		@@ -721,6 +723,7 @@ final class DisplayPowerController2 implements AutomaticBrightnessController.Cal
		final DisplayDeviceInfo info = device.getDisplayDeviceInfoLocked();
		final boolean isEnabled = mLogicalDisplay.isEnabledLocked();
		final boolean isInTransition = mLogicalDisplay.isInTransitionLocked();

		mHandler.post(() -> {
		boolean changed = false;
		if (mDisplayDevice != device) {
		@@ -729,7 +732,7 @@ final class DisplayPowerController2 implements AutomaticBrightnessController.Cal
		mUniqueDisplayId = uniqueId;
		mDisplayStatsId = mUniqueDisplayId.hashCode();
		mDisplayDeviceConfig = config;
		loadFromDisplayDeviceConfig(token, info);
		loadFromDisplayDeviceConfig(token, info, hbmMetadata);
		mDisplayPowerProximityStateController.notifyDisplayDeviceChanged(config);

		// Since the underlying display-device changed, we really don't know the
		@@ -778,7 +781,8 @@ final class DisplayPowerController2 implements AutomaticBrightnessController.Cal
		}
		}

		private void loadFromDisplayDeviceConfig(IBinder token, DisplayDeviceInfo info) {
		private void loadFromDisplayDeviceConfig(IBinder token, DisplayDeviceInfo info,
		HighBrightnessModeMetadata hbmMetadata) {
		// All properties that depend on the associated DisplayDevice and the DDC must be
		// updated here.
		loadBrightnessRampRates();
		@@ -790,6 +794,7 @@ final class DisplayPowerController2 implements AutomaticBrightnessController.Cal
		mBrightnessRampIncreaseMaxTimeMillis,
		mBrightnessRampDecreaseMaxTimeMillis);
		}
		mHbmController.setHighBrightnessModeMetadata(hbmMetadata);
		mHbmController.resetHbmData(info.width, info.height, token, info.uniqueId,
		mDisplayDeviceConfig.getHighBrightnessModeData(),
		new HighBrightnessModeController.HdrBrightnessDeviceConfig() {
		@@ -1740,7 +1745,7 @@ final class DisplayPowerController2 implements AutomaticBrightnessController.Cal
		if (mAutomaticBrightnessController != null) {
		mAutomaticBrightnessController.update();
		}
		}, mContext);
		}, mHighBrightnessModeMetadata, mContext);
		}

		private BrightnessThrottler createBrightnessThrottlerLocked() {

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

+6 −2

Original line number	Diff line number	Diff line
		@@ -31,10 +31,14 @@ import java.io.PrintWriter;
		public interface DisplayPowerControllerInterface {

		/**
		* Notified when the display is changed. We use this to apply any changes that might be needed
		* Notified when the display is changed.
		* We use this to apply any changes that might be needed
		* when displays get swapped on foldable devices.
		* We also pass the High brightness mode metadata like
		* remaining time and hbm events for the corresponding
		* physical display, to update the values correctly.
		*/
		void onDisplayChanged();
		void onDisplayChanged(HighBrightnessModeMetadata hbmInfo);

		/**
		* Unregisters all listeners and interrupts all running threads; halting future work.

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

0 → 100644

+46 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2023 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package com.android.server.display;


		/**
		* Represents an event in which High Brightness Mode was enabled.
		*/
		class HbmEvent {
		private long mStartTimeMillis;
		private long mEndTimeMillis;

		HbmEvent(long startTimeMillis, long endTimeMillis) {
		this.mStartTimeMillis = startTimeMillis;
		this.mEndTimeMillis = endTimeMillis;
		}

		public long getStartTimeMillis() {
		return mStartTimeMillis;
		}

		public long getEndTimeMillis() {
		return mEndTimeMillis;
		}

		@Override
		public String toString() {
		return "HbmEvent: {startTimeMillis:" + mStartTimeMillis + ", endTimeMillis: "
		+ mEndTimeMillis + "}, total: "
		+ ((mEndTimeMillis - mStartTimeMillis) / 1000) + "]";
		}
		}