Default refresh rate for concurrent displays (9714a08e) · Commits · e / os / android_frameworks_base

core/java/android/view/DisplayInfo.java

+10 −1

Original line number	Diff line number	Diff line
		@@ -337,6 +337,9 @@ public final class DisplayInfo implements Parcelable {
		@Nullable
		public DisplayShape displayShape;

		@Nullable
		public SurfaceControl.RefreshRateRange layoutLimitedRefreshRate;

		public static final @android.annotation.NonNull Creator<DisplayInfo> CREATOR = new Creator<DisplayInfo>() {
		@Override
		public DisplayInfo createFromParcel(Parcel source) {
		@@ -411,7 +414,8 @@ public final class DisplayInfo implements Parcelable {
		&& brightnessDefault == other.brightnessDefault
		&& Objects.equals(roundedCorners, other.roundedCorners)
		&& installOrientation == other.installOrientation
		&& Objects.equals(displayShape, other.displayShape);
		&& Objects.equals(displayShape, other.displayShape)
		&& Objects.equals(layoutLimitedRefreshRate, other.layoutLimitedRefreshRate);
		}

		@Override
		@@ -466,6 +470,7 @@ public final class DisplayInfo implements Parcelable {
		roundedCorners = other.roundedCorners;
		installOrientation = other.installOrientation;
		displayShape = other.displayShape;
		layoutLimitedRefreshRate = other.layoutLimitedRefreshRate;
		}

		public void readFromParcel(Parcel source) {
		@@ -526,6 +531,7 @@ public final class DisplayInfo implements Parcelable {
		}
		installOrientation = source.readInt();
		displayShape = source.readTypedObject(DisplayShape.CREATOR);
		layoutLimitedRefreshRate = source.readTypedObject(SurfaceControl.RefreshRateRange.CREATOR);
		}

		@Override
		@@ -584,6 +590,7 @@ public final class DisplayInfo implements Parcelable {
		}
		dest.writeInt(installOrientation);
		dest.writeTypedObject(displayShape, flags);
		dest.writeTypedObject(layoutLimitedRefreshRate, flags);
		}

		@Override
		@@ -843,6 +850,8 @@ public final class DisplayInfo implements Parcelable {
		sb.append(brightnessDefault);
		sb.append(", installOrientation ");
		sb.append(Surface.rotationToString(installOrientation));
		sb.append(", layoutLimitedRefreshRate ");
		sb.append(layoutLimitedRefreshRate);
		sb.append("}");
		return sb.toString();
		}

core/java/android/view/SurfaceControl.java

+30 −1

Original line number	Diff line number	Diff line
		@@ -1692,7 +1692,7 @@ public final class SurfaceControl implements Parcelable {
		* Information about the min and max refresh rate DM would like to set the display to.
		* @hide
		*/
		public static final class RefreshRateRange {
		public static final class RefreshRateRange implements Parcelable {
		public static final String TAG = "RefreshRateRange";

		// The tolerance within which we consider something approximately equals.
		@@ -1761,6 +1761,35 @@ public final class SurfaceControl implements Parcelable {
		this.min = other.min;
		this.max = other.max;
		}

		/**
		* Writes the RefreshRateRange to parce
		*
		* @param dest parcel to write the transaction to
		*/
		@Override
		public void writeToParcel(@NonNull Parcel dest, @WriteFlags int flags) {
		dest.writeFloat(min);
		dest.writeFloat(max);
		}

		@Override
		public int describeContents() {
		return 0;
		}

		public static final @NonNull Creator<RefreshRateRange> CREATOR =
		new Creator<RefreshRateRange>() {
		@Override
		public RefreshRateRange createFromParcel(Parcel in) {
		return new RefreshRateRange(in.readFloat(), in.readFloat());
		}

		@Override
		public RefreshRateRange[] newArray(int size) {
		return new RefreshRateRange[size];
		}
		};
		}

		/**

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

+1 −0

Original line number	Diff line number	Diff line
		@@ -133,6 +133,7 @@ class DeviceStateToLayoutMap {
		} else {
		display.setPosition(POSITION_UNKNOWN);
		}
		display.setRefreshRateZoneId(d.getRefreshRateZoneId());
		}
		}
		} catch (IOException \| DatatypeConfigurationException \| XmlPullParserException e) {

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

+42 −3

Original line number	Diff line number	Diff line
		@@ -33,6 +33,7 @@ import android.util.Pair;
		import android.util.Slog;
		import android.util.Spline;
		import android.view.DisplayAddress;
		import android.view.SurfaceControl;

		import com.android.internal.R;
		import com.android.internal.annotations.VisibleForTesting;
		@@ -53,6 +54,7 @@ import com.android.server.display.config.NitsMap;
		import com.android.server.display.config.Point;
		import com.android.server.display.config.RefreshRateConfigs;
		import com.android.server.display.config.RefreshRateRange;
		import com.android.server.display.config.RefreshRateZone;
		import com.android.server.display.config.SdrHdrRatioMap;
		import com.android.server.display.config.SdrHdrRatioPoint;
		import com.android.server.display.config.SensorDetails;
		@@ -503,10 +505,10 @@ public class DisplayDeviceConfig {
		/**
		* Array of light sensor lux values to define our levels for auto backlight
		* brightness support.

		*
		* The N + 1 entries of this array define N control points defined in mBrightnessLevelsNits,
		* with first value always being 0 lux

		*
		* The control points must be strictly increasing. Each control point
		* corresponds to an entry in the brightness backlight values arrays.
		* For example, if lux == level[1] (second element of the levels array)
		@@ -515,7 +517,6 @@ public class DisplayDeviceConfig {
		*
		* Spline interpolation is used to determine the auto-brightness
		* backlight values for lux levels between these control points.
		*
		*/
		private float[] mBrightnessLevelsLux;

		@@ -619,6 +620,10 @@ public class DisplayDeviceConfig {
		*/
		private int mDefaultLowBlockingZoneRefreshRate = DEFAULT_LOW_REFRESH_RATE;

		// Refresh rate profiles, currently only for concurrent mode profile and controlled by Layout
		private final Map<String, SurfaceControl.RefreshRateRange> mRefreshRateZoneProfiles =
		new HashMap<>();

		/**
		* The display uses different gamma curves for different refresh rates. It's hard for panel
		* vendors to tune the curves to have exact same brightness for different refresh rate. So
		@@ -1353,6 +1358,23 @@ public class DisplayDeviceConfig {
		return mDefaultLowBlockingZoneRefreshRate;
		}

		/**
		* @return Refresh rate range for specific profile id or null
		*/
		@Nullable
		public SurfaceControl.RefreshRateRange getRefreshRange(@Nullable String id) {
		if (TextUtils.isEmpty(id)) {
		return null;
		}
		return mRefreshRateZoneProfiles.get(id);
		}

		@NonNull
		@VisibleForTesting
		Map<String, SurfaceControl.RefreshRateRange> getRefreshRangeProfiles() {
		return mRefreshRateZoneProfiles;
		}

		/**
		* @return An array of lower display brightness thresholds. This, in combination with lower
		* ambient brightness thresholds help define buckets in which the refresh rate switching is not
		@@ -1500,6 +1522,7 @@ public class DisplayDeviceConfig {
		+ ", mDefaultHighBlockingZoneRefreshRate= " + mDefaultHighBlockingZoneRefreshRate
		+ ", mDefaultPeakRefreshRate= " + mDefaultPeakRefreshRate
		+ ", mDefaultRefreshRate= " + mDefaultRefreshRate
		+ ", mRefreshRateZoneProfiles= " + mRefreshRateZoneProfiles
		+ ", mLowDisplayBrightnessThresholds= "
		+ Arrays.toString(mLowDisplayBrightnessThresholds)
		+ ", mLowAmbientBrightnessThresholds= "
		@@ -1828,6 +1851,7 @@ public class DisplayDeviceConfig {
		loadDefaultRefreshRate(refreshRateConfigs);
		loadLowerRefreshRateBlockingZones(lowerBlockingZoneConfig);
		loadHigherRefreshRateBlockingZones(higherBlockingZoneConfig);
		loadRefreshRateZoneProfiles(refreshRateConfigs);
		}

		private void loadPeakDefaultRefreshRate(RefreshRateConfigs refreshRateConfigs) {
		@@ -1850,6 +1874,21 @@ public class DisplayDeviceConfig {
		}
		}

		/** Loads the refresh rate profiles. */
		private void loadRefreshRateZoneProfiles(RefreshRateConfigs refreshRateConfigs) {
		if (refreshRateConfigs == null) {
		return;
		}
		for (RefreshRateZone zone :
		refreshRateConfigs.getRefreshRateZoneProfiles().getRefreshRateZoneProfile()) {
		RefreshRateRange range = zone.getRefreshRateRange();
		mRefreshRateZoneProfiles.put(
		zone.getId(),
		new SurfaceControl.RefreshRateRange(
		range.getMinimum().floatValue(), range.getMaximum().floatValue()));
		}
		}

		/**
		* Loads the refresh rate configurations pertaining to the upper blocking zones.
		*/

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

+36 −11

Original line number	Diff line number	Diff line
		@@ -159,7 +159,6 @@ public class DisplayModeDirector {
		mSupportedModesByDisplay = new SparseArray<>();
		mDefaultModeByDisplay = new SparseArray<>();
		mAppRequestObserver = new AppRequestObserver();
		mDisplayObserver = new DisplayObserver(context, handler);
		mDeviceConfig = injector.getDeviceConfig();
		mDeviceConfigDisplaySettings = new DeviceConfigDisplaySettings();
		mSettingsObserver = new SettingsObserver(context, handler);
		@@ -170,6 +169,7 @@ public class DisplayModeDirector {
		updateVoteLocked(displayId, priority, vote);
		}
		};
		mDisplayObserver = new DisplayObserver(context, handler, ballotBox);
		mSensorObserver = new SensorObserver(context, ballotBox, injector);
		mSkinThermalStatusObserver = new SkinThermalStatusObserver(injector, ballotBox);
		mHbmObserver = new HbmObserver(injector, ballotBox, BackgroundThread.getHandler(),
		@@ -1186,26 +1186,29 @@ public class DisplayModeDirector {
		// rest of low priority voters. It votes [0, max(PEAK, MIN)]
		public static final int PRIORITY_USER_SETTING_PEAK_RENDER_FRAME_RATE = 7;

		// For concurrent displays we want to limit refresh rate on all displays
		public static final int PRIORITY_LAYOUT_LIMITED_FRAME_RATE = 8;

		// LOW_POWER_MODE force the render frame rate to [0, 60HZ] if
		// Settings.Global.LOW_POWER_MODE is on.
		public static final int PRIORITY_LOW_POWER_MODE = 8;
		public static final int PRIORITY_LOW_POWER_MODE = 9;

		// PRIORITY_FLICKER_REFRESH_RATE_SWITCH votes for disabling refresh rate switching. If the
		// higher priority voters' result is a range, it will fix the rate to a single choice.
		// It's used to avoid refresh rate switches in certain conditions which may result in the
		// user seeing the display flickering when the switches occur.
		public static final int PRIORITY_FLICKER_REFRESH_RATE_SWITCH = 9;
		public static final int PRIORITY_FLICKER_REFRESH_RATE_SWITCH = 10;

		// Force display to [0, 60HZ] if skin temperature is at or above CRITICAL.
		public static final int PRIORITY_SKIN_TEMPERATURE = 10;
		public static final int PRIORITY_SKIN_TEMPERATURE = 11;

		// The proximity sensor needs the refresh rate to be locked in order to function, so this is
		// set to a high priority.
		public static final int PRIORITY_PROXIMITY = 11;
		public static final int PRIORITY_PROXIMITY = 12;

		// The Under-Display Fingerprint Sensor (UDFPS) needs the refresh rate to be locked in order
		// to function, so this needs to be the highest priority of all votes.
		public static final int PRIORITY_UDFPS = 12;
		public static final int PRIORITY_UDFPS = 13;

		// Whenever a new priority is added, remember to update MIN_PRIORITY, MAX_PRIORITY, and
		// APP_REQUEST_REFRESH_RATE_RANGE_PRIORITY_CUTOFF, as well as priorityToString.
		@@ -1657,10 +1660,12 @@ public class DisplayModeDirector {
		// calling into us already holding its own lock.
		private final Context mContext;
		private final Handler mHandler;
		private final BallotBox mBallotBox;

		DisplayObserver(Context context, Handler handler) {
		DisplayObserver(Context context, Handler handler, BallotBox ballotBox) {
		mContext = context;
		mHandler = handler;
		mBallotBox = ballotBox;
		}

		public void observe() {
		@@ -1689,7 +1694,9 @@ public class DisplayModeDirector {

		@Override
		public void onDisplayAdded(int displayId) {
		updateDisplayModes(displayId);
		DisplayInfo displayInfo = getDisplayInfo(displayId);
		updateDisplayModes(displayId, displayInfo);
		updateLayoutLimitedFrameRate(displayId, displayInfo);
		}

		@Override
		@@ -1698,23 +1705,41 @@ public class DisplayModeDirector {
		mSupportedModesByDisplay.remove(displayId);
		mDefaultModeByDisplay.remove(displayId);
		}
		updateLayoutLimitedFrameRate(displayId, null);
		}

		@Override
		public void onDisplayChanged(int displayId) {
		updateDisplayModes(displayId);
		DisplayInfo displayInfo = getDisplayInfo(displayId);
		updateDisplayModes(displayId, displayInfo);
		updateLayoutLimitedFrameRate(displayId, displayInfo);
		}

		private void updateDisplayModes(int displayId) {
		@Nullable
		private DisplayInfo getDisplayInfo(int displayId) {
		Display d = mContext.getSystemService(DisplayManager.class).getDisplay(displayId);
		if (d == null) {
		// We can occasionally get a display added or changed event for a display that was
		// subsequently removed, which means this returns null. Check this case and bail
		// out early; if it gets re-attached we'll eventually get another call back for it.
		return;
		return null;
		}
		DisplayInfo info = new DisplayInfo();
		d.getDisplayInfo(info);
		return info;
		}

		private void updateLayoutLimitedFrameRate(int displayId, @Nullable DisplayInfo info) {
		Vote vote = info != null && info.layoutLimitedRefreshRate != null
		? Vote.forPhysicalRefreshRates(info.layoutLimitedRefreshRate.min,
		info.layoutLimitedRefreshRate.max) : null;
		mBallotBox.vote(displayId, Vote.PRIORITY_LAYOUT_LIMITED_FRAME_RATE, vote);
		}

		private void updateDisplayModes(int displayId, @Nullable DisplayInfo info) {
		if (info == null) {
		return;
		}
		boolean changed = false;
		synchronized (mLock) {
		if (!Arrays.equals(mSupportedModesByDisplay.get(displayId), info.supportedModes)) {