Add limitations to HDR. (5ba3e1fe) · Commits · e / os / android_frameworks_base

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

+0 −1

Original line number	Diff line number	Diff line
		@@ -778,7 +778,6 @@ class AutomaticBrightnessController {
		mScreenBrightnessThresholds.getBrighteningThreshold(newScreenAutoBrightness));
		mScreenDarkeningThreshold = clampScreenBrightness(
		mScreenBrightnessThresholds.getDarkeningThreshold(newScreenAutoBrightness));
		mHbmController.onAutoBrightnessChanged(mScreenAutoBrightness);

		if (sendUpdate) {
		mCallbacks.updateBrightness();

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

+5 −5

Original line number	Diff line number	Diff line
		@@ -1281,6 +1281,11 @@ public final class DisplayManagerService extends SystemService {
		sendDisplayEventLocked(displayId, DisplayManagerGlobal.EVENT_DISPLAY_CHANGED);
		scheduleTraversalLocked(false);
		mPersistentDataStore.saveIfNeeded();

		DisplayPowerController dpc = mDisplayPowerControllers.get(displayId);
		if (dpc != null) {
		dpc.onDisplayChanged();
		}
		}

		private void handleLogicalDisplayFrameRateOverridesChangedLocked(
		@@ -1312,11 +1317,6 @@ public final class DisplayManagerService extends SystemService {
		if (work != null) {
		mHandler.post(work);
		}
		final int displayId = display.getDisplayIdLocked();
		DisplayPowerController dpc = mDisplayPowerControllers.get(displayId);
		if (dpc != null) {
		dpc.onDisplayChanged();
		}
		handleLogicalDisplayChangedLocked(display);
		}

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

+14 −10

Original line number	Diff line number	Diff line
		@@ -511,7 +511,7 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
		mSkipScreenOnBrightnessRamp = resources.getBoolean(
		com.android.internal.R.bool.config_skipScreenOnBrightnessRamp);

		mHbmController = createHbmController();
		mHbmController = createHbmControllerLocked();

		// Seed the cached brightness
		saveBrightnessInfo(getScreenBrightnessSetting());
		@@ -717,6 +717,7 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
		final String uniqueId = device.getUniqueId();
		final DisplayDeviceConfig config = device.getDisplayDeviceConfig();
		final IBinder token = device.getDisplayTokenLocked();
		final DisplayDeviceInfo info = device.getDisplayDeviceInfoLocked();
		mHandler.post(() -> {
		if (mDisplayDevice == device) {
		return;
		@@ -724,7 +725,7 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
		mDisplayDevice = device;
		mUniqueDisplayId = uniqueId;
		mDisplayDeviceConfig = config;
		loadFromDisplayDeviceConfig(token);
		loadFromDisplayDeviceConfig(token, info);
		});
		}

		@@ -765,7 +766,7 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
		}
		}

		private void loadFromDisplayDeviceConfig(IBinder token) {
		private void loadFromDisplayDeviceConfig(IBinder token, DisplayDeviceInfo info) {
		// All properties that depend on the associated DisplayDevice and the DDC must be
		// updated here.
		loadAmbientLightSensor();
		@@ -774,7 +775,8 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
		loadNitsRange(mContext.getResources());
		setUpAutoBrightness(mContext.getResources(), mHandler);
		reloadReduceBrightColours();
		mHbmController.resetHbmData(token, mDisplayDeviceConfig.getHighBrightnessModeData());
		mHbmController.resetHbmData(info.width, info.height, token,
		mDisplayDeviceConfig.getHighBrightnessModeData(), mBrightnessSetting);
		}

		private void sendUpdatePowerState() {
		@@ -1343,6 +1345,7 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
		if (mHbmController.getHighBrightnessMode() == BrightnessInfo.HIGH_BRIGHTNESS_MODE_HDR
		&& ((mBrightnessReason.modifier & BrightnessReason.MODIFIER_DIMMED) == 0
		\|\| (mBrightnessReason.modifier & BrightnessReason.MODIFIER_LOW_POWER) == 0)) {
		// We want to scale HDR brightness level with the SDR level
		animateValue = mHbmController.getHdrBrightnessValue();
		}

		@@ -1514,21 +1517,22 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
		}
		}

		private HighBrightnessModeController createHbmController() {
		final DisplayDeviceConfig ddConfig =
		mLogicalDisplay.getPrimaryDisplayDeviceLocked().getDisplayDeviceConfig();
		private HighBrightnessModeController createHbmControllerLocked() {
		final DisplayDevice device = mLogicalDisplay.getPrimaryDisplayDeviceLocked();
		final DisplayDeviceConfig ddConfig = device.getDisplayDeviceConfig();
		final IBinder displayToken =
		mLogicalDisplay.getPrimaryDisplayDeviceLocked().getDisplayTokenLocked();
		final DisplayDeviceConfig.HighBrightnessModeData hbmData =
		ddConfig != null ? ddConfig.getHighBrightnessModeData() : null;
		return new HighBrightnessModeController(mHandler, displayToken, PowerManager.BRIGHTNESS_MIN,
		PowerManager.BRIGHTNESS_MAX, hbmData,
		final DisplayDeviceInfo info = device.getDisplayDeviceInfoLocked();
		return new HighBrightnessModeController(mHandler, info.width, info.height, displayToken,
		PowerManager.BRIGHTNESS_MIN, PowerManager.BRIGHTNESS_MAX, hbmData,
		() -> {
		sendUpdatePowerStateLocked();
		mHandler.post(mOnBrightnessChangeRunnable);
		// TODO(b/192258832): Switch the HBMChangeCallback to a listener pattern.
		mAutomaticBrightnessController.update();
		}, mContext);
		}, mContext, mBrightnessSetting);
		}

		private void blockScreenOn() {

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

+80 −34

Original line number	Diff line number	Diff line
		@@ -31,11 +31,13 @@ import android.os.SystemClock;
		import android.os.Temperature;
		import android.os.UserHandle;
		import android.provider.Settings;
		import android.util.MathUtils;
		import android.util.Slog;
		import android.util.TimeUtils;
		import android.view.SurfaceControlHdrLayerInfoListener;

		import com.android.internal.annotations.VisibleForTesting;
		import com.android.server.display.BrightnessSetting.BrightnessSettingListener;
		import com.android.server.display.DisplayDeviceConfig.HighBrightnessModeData;
		import com.android.server.display.DisplayManagerService.Clock;

		@@ -56,6 +58,8 @@ class HighBrightnessModeController {

		private static final boolean DEBUG = false;

		private static final float HDR_PERCENT_OF_SCREEN_REQUIRED = 0.50f;

		private final float mBrightnessMin;
		private final float mBrightnessMax;
		private final Handler mHandler;
		@@ -66,6 +70,7 @@ class HighBrightnessModeController {
		private final Context mContext;
		private final SettingsObserver mSettingsObserver;
		private final Injector mInjector;
		private final BrightnessSettingListener mBrightnessSettingListener = this::onBrightnessChanged;

		private SurfaceControlHdrLayerInfoListener mHdrListener;
		private HighBrightnessModeData mHbmData;
		@@ -74,11 +79,15 @@ class HighBrightnessModeController {
		private boolean mIsInAllowedAmbientRange = false;
		private boolean mIsTimeAvailable = false;
		private boolean mIsAutoBrightnessEnabled = false;
		private float mAutoBrightness;
		private float mBrightness;
		private int mHbmMode = BrightnessInfo.HIGH_BRIGHTNESS_MODE_OFF;
		private boolean mIsHdrLayerPresent = false;
		private boolean mIsThermalStatusWithinLimit = true;
		private boolean mIsBlockedByLowPowerMode = false;
		private int mWidth;
		private int mHeight;
		private BrightnessSetting mBrightnessSetting;
		private float mAmbientLux;

		/**
		* If HBM is currently running, this is the start time for the current HBM session.
		@@ -92,30 +101,32 @@ class HighBrightnessModeController {
		*/
		private LinkedList<HbmEvent> mEvents = new LinkedList<>();

		HighBrightnessModeController(Handler handler, IBinder displayToken, float brightnessMin,
		float brightnessMax, HighBrightnessModeData hbmData, Runnable hbmChangeCallback,
		Context context) {
		this(new Injector(), handler, displayToken, brightnessMin, brightnessMax,
		hbmData, hbmChangeCallback, context);
		HighBrightnessModeController(Handler handler, int width, int height, IBinder displayToken,
		float brightnessMin, float brightnessMax, HighBrightnessModeData hbmData,
		Runnable hbmChangeCallback, Context context, BrightnessSetting brightnessSetting) {
		this(new Injector(), handler, width, height, displayToken, brightnessMin, brightnessMax,
		hbmData, hbmChangeCallback, context, brightnessSetting);
		}

		@VisibleForTesting
		HighBrightnessModeController(Injector injector, Handler handler, IBinder displayToken,
		float brightnessMin, float brightnessMax, HighBrightnessModeData hbmData,
		Runnable hbmChangeCallback, Context context) {
		HighBrightnessModeController(Injector injector, Handler handler, int width, int height,
		IBinder displayToken, float brightnessMin, float brightnessMax,
		HighBrightnessModeData hbmData, Runnable hbmChangeCallback,
		Context context, BrightnessSetting brightnessSetting) {
		mInjector = injector;
		mContext = context;
		mClock = injector.getClock();
		mHandler = handler;
		mBrightnessMin = brightnessMin;
		mBrightnessMax = brightnessMax;
		mBrightness = brightnessSetting.getBrightness();
		mHbmChangeCallback = hbmChangeCallback;
		mContext = context;
		mAutoBrightness = PowerManager.BRIGHTNESS_INVALID_FLOAT;
		mRecalcRunnable = this::recalculateTimeAllowance;
		mHdrListener = new HdrListener();
		mSkinThermalStatusObserver = new SkinThermalStatusObserver(mInjector, mHandler);
		mSettingsObserver = new SettingsObserver(mHandler);
		resetHbmData(displayToken, hbmData);
		mRecalcRunnable = this::recalculateTimeAllowance;
		mHdrListener = new HdrListener();

		resetHbmData(width, height, displayToken, hbmData, brightnessSetting);
		}

		void setAutoBrightnessEnabled(boolean isEnabled) {
		@@ -123,7 +134,7 @@ class HighBrightnessModeController {
		return;
		}
		if (DEBUG) {
		Slog.d(TAG, "setAutoBrightness( " + isEnabled + " )");
		Slog.d(TAG, "setAutoBrightnessEnabled( " + isEnabled + " )");
		}
		mIsAutoBrightnessEnabled = isEnabled;
		mIsInAllowedAmbientRange = false; // reset when auto-brightness switches
		@@ -147,11 +158,22 @@ class HighBrightnessModeController {
		}
		}

		float getNormalBrightnessMax() {
		return deviceSupportsHbm() ? mHbmData.transitionPoint : mBrightnessMax;
		}

		float getHdrBrightnessValue() {
		return mBrightnessMax;
		// For HDR brightness, we take the current brightness and scale it to the max. The reason
		// we do this is because we want brightness to go to HBM max when it would normally go
		// to normal max, meaning it should not wait to go to 10000 lux (or whatever the transition
		// point happens to be) in order to go full HDR. Likewise, HDR on manual brightness should
		// automatically scale the brightness without forcing the user to adjust to higher values.
		return MathUtils.map(getCurrentBrightnessMin(), getCurrentBrightnessMax(),
		mBrightnessMin, mBrightnessMax, mBrightness);
		}

		void onAmbientLuxChange(float ambientLux) {
		mAmbientLux = ambientLux;
		if (!deviceSupportsHbm() \|\| !mIsAutoBrightnessEnabled) {
		return;
		}
		@@ -163,17 +185,17 @@ class HighBrightnessModeController {
		}
		}

		void onAutoBrightnessChanged(float autoBrightness) {
		@VisibleForTesting
		void onBrightnessChanged(float brightness) {
		if (!deviceSupportsHbm()) {
		return;
		}
		final float oldAutoBrightness = mAutoBrightness;
		mAutoBrightness = autoBrightness;
		mBrightness = brightness;

		// If we are starting or ending a high brightness mode session, store the current
		// session in mRunningStartTimeMillis, or the old one in mEvents.
		final boolean wasHbmDrainingAvailableTime = mRunningStartTimeMillis != -1;
		final boolean shouldHbmDrainAvailableTime = mAutoBrightness > mHbmData.transitionPoint
		final boolean shouldHbmDrainAvailableTime = mBrightness > mHbmData.transitionPoint
		&& !mIsHdrLayerPresent;
		if (wasHbmDrainingAvailableTime != shouldHbmDrainAvailableTime) {
		final long currentTime = mClock.uptimeMillis();
		@@ -202,8 +224,12 @@ class HighBrightnessModeController {
		mSettingsObserver.stopObserving();
		}

		void resetHbmData(IBinder displayToken, HighBrightnessModeData hbmData) {
		void resetHbmData(int width, int height, IBinder displayToken, HighBrightnessModeData hbmData,
		BrightnessSetting brightnessSetting) {
		mWidth = width;
		mHeight = height;
		mHbmData = hbmData;
		resetBrightnessSetting(brightnessSetting);
		unregisterHdrListener();
		mSkinThermalStatusObserver.stopObserving();
		mSettingsObserver.stopObserving();
		@@ -227,21 +253,23 @@ class HighBrightnessModeController {

		private void dumpLocal(PrintWriter pw) {
		pw.println("HighBrightnessModeController:");
		pw.println(" mBrightness=" + mBrightness);
		pw.println(" mCurrentMin=" + getCurrentBrightnessMin());
		pw.println(" mCurrentMax=" + getCurrentBrightnessMax());
		pw.println(" mHbmMode=" + BrightnessInfo.hbmToString(mHbmMode));
		pw.println(" remainingTime=" + calculateRemainingTime(mClock.uptimeMillis()));
		pw.println(" mHbmData=" + mHbmData);
		pw.println(" mAmbientLux=" + mAmbientLux);
		pw.println(" mIsInAllowedAmbientRange=" + mIsInAllowedAmbientRange);
		pw.println(" mIsTimeAvailable= " + mIsTimeAvailable);
		pw.println(" mIsAutoBrightnessEnabled=" + mIsAutoBrightnessEnabled);
		pw.println(" mAutoBrightness=" + mAutoBrightness);
		pw.println(" mIsHdrLayerPresent=" + mIsHdrLayerPresent);
		pw.println(" mBrightnessMin=" + mBrightnessMin);
		pw.println(" mBrightnessMax=" + mBrightnessMax);
		pw.println(" remainingTime=" + calculateRemainingTime(mClock.uptimeMillis()));
		pw.println(" mIsTimeAvailable= " + mIsTimeAvailable);
		pw.println(" mRunningStartTimeMillis=" + TimeUtils.formatUptime(mRunningStartTimeMillis));
		pw.println(" mIsThermalStatusWithinLimit=" + mIsThermalStatusWithinLimit);
		pw.println(" mIsBlockedByLowPowerMode=" + mIsBlockedByLowPowerMode);
		pw.println(" widthheight=" + mWidth + "" + mHeight);
		pw.println(" mEvents=");
		final long currentTime = mClock.uptimeMillis();
		long lastStartTime = currentTime;
		@@ -268,9 +296,26 @@ class HighBrightnessModeController {
		return event.startTimeMillis;
		}

		private void resetBrightnessSetting(BrightnessSetting brightnessSetting) {
		if (mBrightnessSetting != null) {
		mBrightnessSetting.unregisterListener(mBrightnessSettingListener);
		}
		mBrightnessSetting = brightnessSetting;
		if (mBrightnessSetting != null) {
		mBrightnessSetting.registerListener(mBrightnessSettingListener);
		}
		}

		private boolean isCurrentlyAllowed() {
		return mIsHdrLayerPresent
		\|\| (mIsAutoBrightnessEnabled && mIsTimeAvailable && mIsInAllowedAmbientRange
		// Returns true if HBM is allowed (above the ambient lux threshold) and there's still
		// time within the current window for additional HBM usage. We return false if there is an
		// HDR layer because we don't want the brightness MAX to change for HDR, which has its
		// brightness scaled in a different way than sunlight HBM that doesn't require changing
		// the MAX. HDR also needs to work under manual brightness which never adjusts the
		// brightness maximum; so we implement HDR-HBM in a way that doesn't adjust the max.
		// See {@link #getHdrBrightnessValue}.
		return !mIsHdrLayerPresent
		&& (mIsAutoBrightnessEnabled && mIsTimeAvailable && mIsInAllowedAmbientRange
		&& mIsThermalStatusWithinLimit && !mIsBlockedByLowPowerMode);
		}

		@@ -334,13 +379,13 @@ class HighBrightnessModeController {
		// or if brightness is already in the high range, if there is any time left at all.
		final boolean isAllowedWithoutRestrictions = remainingTime >= mHbmData.timeMinMillis;
		final boolean isOnlyAllowedToStayOn = !isAllowedWithoutRestrictions
		&& remainingTime > 0 && mAutoBrightness > mHbmData.transitionPoint;
		&& remainingTime > 0 && mBrightness > mHbmData.transitionPoint;
		mIsTimeAvailable = isAllowedWithoutRestrictions \|\| isOnlyAllowedToStayOn;

		// Calculate the time at which we want to recalculate mIsTimeAvailable in case a lux or
		// brightness change doesn't happen before then.
		long nextTimeout = -1;
		if (mAutoBrightness > mHbmData.transitionPoint) {
		if (mBrightness > mHbmData.transitionPoint) {
		// if we're in high-lux now, timeout when we run out of allowed time.
		nextTimeout = currentTime + remainingTime;
		} else if (!mIsTimeAvailable && mEvents.size() > 0) {
		@@ -370,7 +415,7 @@ class HighBrightnessModeController {
		+ ", mIsInAllowedAmbientRange: " + mIsInAllowedAmbientRange
		+ ", mIsThermalStatusWithinLimit: " + mIsThermalStatusWithinLimit
		+ ", mIsBlockedByLowPowerMode: " + mIsBlockedByLowPowerMode
		+ ", brightness: " + mAutoBrightness
		+ ", mBrightness: " + mBrightness
		+ ", RunningStartTimeMillis: " + mRunningStartTimeMillis
		+ ", nextTimeout: " + (nextTimeout != -1 ? (nextTimeout - currentTime) : -1)
		+ ", events: " + mEvents);
		@@ -447,11 +492,12 @@ class HighBrightnessModeController {
		public void onHdrInfoChanged(IBinder displayToken, int numberOfHdrLayers,
		int maxW, int maxH, int flags) {
		mHandler.post(() -> {
		mIsHdrLayerPresent = numberOfHdrLayers > 0;
		// Calling the auto-brightness update so that we can recalculate
		// auto-brightness with HDR in mind. When HDR layers are present,
		// we don't limit auto-brightness' HBM time limits.
		onAutoBrightnessChanged(mAutoBrightness);
		mIsHdrLayerPresent = numberOfHdrLayers > 0
		&& (float) (maxW * maxH)
		>= ((float) (mWidth * mHeight) * HDR_PERCENT_OF_SCREEN_REQUIRED);
		// Calling the brightness update so that we can recalculate
		// brightness with HDR in mind.
		onBrightnessChanged(mBrightness);
		});
		}
		}

services/tests/servicestests/src/com/android/server/display/HighBrightnessModeControllerTest.java

+22 −14

Original line number	Diff line number	Diff line
		@@ -74,6 +74,9 @@ public class HighBrightnessModeControllerTest {
		private static final float DEFAULT_MIN = 0.01f;
		private static final float DEFAULT_MAX = 0.80f;

		private static final int DISPLAY_WIDTH = 900;
		private static final int DISPLAY_HEIGHT = 1600;

		private static final float EPSILON = 0.000001f;

		private OffsettableClock mClock;
		@@ -90,6 +93,8 @@ public class HighBrightnessModeControllerTest {

		@Captor ArgumentCaptor<IThermalEventListener> mThermalEventListenerCaptor;

		@Mock private BrightnessSetting mBrightnessSetting;

		private static final HighBrightnessModeData DEFAULT_HBM_DATA =
		new HighBrightnessModeData(MINIMUM_LUX, TRANSITION_POINT, TIME_WINDOW_MILLIS,
		TIME_ALLOWED_IN_WINDOW_MILLIS, TIME_MINIMUM_AVAILABLE_TO_ENABLE_MILLIS,
		@@ -98,6 +103,8 @@ public class HighBrightnessModeControllerTest {
		@Before
		public void setUp() {
		MockitoAnnotations.initMocks(this);
		mClock = new OffsettableClock.Stopped();
		mTestLooper = new TestLooper(mClock::now);
		mDisplayToken = null;
		mContextSpy = spy(new ContextWrapper(ApplicationProvider.getApplicationContext()));
		final MockContentResolver resolver = mSettingsProviderRule.mockContentResolver(mContextSpy);
		@@ -114,8 +121,8 @@ public class HighBrightnessModeControllerTest {
		public void testNoHbmData() {
		initHandler(null);
		final HighBrightnessModeController hbmc = new HighBrightnessModeController(
		mInjectorMock, mHandler, mDisplayToken, DEFAULT_MIN, DEFAULT_MAX, null,
		() -> {}, mContextSpy);
		mInjectorMock, mHandler, DISPLAY_WIDTH, DISPLAY_HEIGHT, mDisplayToken, DEFAULT_MIN,
		DEFAULT_MAX, null, () -> {}, mContextSpy, mBrightnessSetting);
		assertState(hbmc, DEFAULT_MIN, DEFAULT_MAX, HIGH_BRIGHTNESS_MODE_OFF);
		}

		@@ -123,8 +130,8 @@ public class HighBrightnessModeControllerTest {
		public void testNoHbmData_Enabled() {
		initHandler(null);
		final HighBrightnessModeController hbmc = new HighBrightnessModeController(
		mInjectorMock, mHandler, mDisplayToken, DEFAULT_MIN, DEFAULT_MAX, null,
		() -> {}, mContextSpy);
		mInjectorMock, mHandler, DISPLAY_WIDTH, DISPLAY_HEIGHT, mDisplayToken, DEFAULT_MIN,
		DEFAULT_MAX, null, () -> {}, mContextSpy, mBrightnessSetting);
		hbmc.setAutoBrightnessEnabled(true);
		hbmc.onAmbientLuxChange(MINIMUM_LUX - 1); // below allowed range
		assertState(hbmc, DEFAULT_MIN, DEFAULT_MAX, HIGH_BRIGHTNESS_MODE_OFF);
		@@ -180,7 +187,7 @@ public class HighBrightnessModeControllerTest {

		hbmc.setAutoBrightnessEnabled(true);
		hbmc.onAmbientLuxChange(MINIMUM_LUX + 1);
		hbmc.onAutoBrightnessChanged(TRANSITION_POINT + 0.01f);
		hbmc.onBrightnessChanged(TRANSITION_POINT + 0.01f);

		// Verify we are in HBM
		assertState(hbmc, DEFAULT_MIN, DEFAULT_MAX, HIGH_BRIGHTNESS_MODE_SUNLIGHT);
		@@ -212,7 +219,7 @@ public class HighBrightnessModeControllerTest {

		hbmc.setAutoBrightnessEnabled(true);
		hbmc.onAmbientLuxChange(MINIMUM_LUX + 1);
		hbmc.onAutoBrightnessChanged(TRANSITION_POINT + 0.01f);
		hbmc.onBrightnessChanged(TRANSITION_POINT + 0.01f);

		// Verify we are in HBM
		assertState(hbmc, DEFAULT_MIN, DEFAULT_MAX, HIGH_BRIGHTNESS_MODE_SUNLIGHT);
		@@ -237,18 +244,18 @@ public class HighBrightnessModeControllerTest {
		hbmc.setAutoBrightnessEnabled(true);
		hbmc.onAmbientLuxChange(MINIMUM_LUX + 1);

		hbmc.onAutoBrightnessChanged(TRANSITION_POINT + 0.01f);
		hbmc.onBrightnessChanged(TRANSITION_POINT + 0.01f);
		advanceTime(TIME_ALLOWED_IN_WINDOW_MILLIS / 2);

		// Verify we are in HBM
		assertState(hbmc, DEFAULT_MIN, DEFAULT_MAX, HIGH_BRIGHTNESS_MODE_SUNLIGHT);

		hbmc.onAutoBrightnessChanged(TRANSITION_POINT - 0.01f);
		hbmc.onBrightnessChanged(TRANSITION_POINT - 0.01f);
		advanceTime(1);

		assertState(hbmc, DEFAULT_MIN, DEFAULT_MAX, HIGH_BRIGHTNESS_MODE_SUNLIGHT);

		hbmc.onAutoBrightnessChanged(TRANSITION_POINT + 0.01f);
		hbmc.onBrightnessChanged(TRANSITION_POINT + 0.01f);
		advanceTime(TIME_ALLOWED_IN_WINDOW_MILLIS / 2);

		assertState(hbmc, DEFAULT_MIN, DEFAULT_MAX, HIGH_BRIGHTNESS_MODE_SUNLIGHT);
		@@ -267,13 +274,13 @@ public class HighBrightnessModeControllerTest {
		hbmc.onAmbientLuxChange(MINIMUM_LUX + 1);

		// Go into HBM for half the allowed window
		hbmc.onAutoBrightnessChanged(TRANSITION_POINT + 0.01f);
		hbmc.onBrightnessChanged(TRANSITION_POINT + 0.01f);
		advanceTime(TIME_ALLOWED_IN_WINDOW_MILLIS / 2);
		assertState(hbmc, DEFAULT_MIN, DEFAULT_MAX, HIGH_BRIGHTNESS_MODE_SUNLIGHT);

		// Move lux below threshold (ending first event);
		hbmc.onAmbientLuxChange(MINIMUM_LUX - 1);
		hbmc.onAutoBrightnessChanged(TRANSITION_POINT);
		hbmc.onBrightnessChanged(TRANSITION_POINT);
		assertState(hbmc, DEFAULT_MIN, TRANSITION_POINT, HIGH_BRIGHTNESS_MODE_OFF);

		// Move up some amount of time so that there's still time in the window even after a
		@@ -283,7 +290,7 @@ public class HighBrightnessModeControllerTest {

		// Go into HBM for just under the second half of allowed window
		hbmc.onAmbientLuxChange(MINIMUM_LUX + 1);
		hbmc.onAutoBrightnessChanged(TRANSITION_POINT + 1);
		hbmc.onBrightnessChanged(TRANSITION_POINT + 1);
		advanceTime((TIME_ALLOWED_IN_WINDOW_MILLIS / 2) - 1);

		assertState(hbmc, DEFAULT_MIN, DEFAULT_MAX, HIGH_BRIGHTNESS_MODE_SUNLIGHT);
		@@ -355,8 +362,9 @@ public class HighBrightnessModeControllerTest {
		// Creates instance with standard initialization values.
		private HighBrightnessModeController createDefaultHbm(OffsettableClock clock) {
		initHandler(clock);
		return new HighBrightnessModeController(mInjectorMock, mHandler, mDisplayToken, DEFAULT_MIN,
		DEFAULT_MAX, DEFAULT_HBM_DATA, () -> {}, mContextSpy);
		return new HighBrightnessModeController(mInjectorMock, mHandler, DISPLAY_WIDTH,
		DISPLAY_HEIGHT, mDisplayToken, DEFAULT_MIN, DEFAULT_MAX, DEFAULT_HBM_DATA, () -> {},
		mContextSpy, mBrightnessSetting);
		}

		private void initHandler(OffsettableClock clock) {