diff --git a/services/core/java/com/android/server/display/DisplayPowerController.java b/services/core/java/com/android/server/display/DisplayPowerController.java
index 19e8a5eb7af47..3fe1d9c14b016 100644
--- a/services/core/java/com/android/server/display/DisplayPowerController.java
+++ b/services/core/java/com/android/server/display/DisplayPowerController.java
@@ -1590,12 +1590,12 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
                 mAllowAutoBrightnessWhileDozingConfig && Display.isDozeState(state);
         final boolean autoBrightnessEnabled = mUseAutoBrightness
                 && (state == Display.STATE_ON || autoBrightnessEnabledInDoze)
-                && Float.isNaN(brightnessState)
-                && mAutomaticBrightnessController != null
-                && mBrightnessReasonTemp.getReason() != BrightnessReason.REASON_FOLLOWER;
+                && mBrightnessReasonTemp.getReason() != BrightnessReason.REASON_OVERRIDE
+                && mAutomaticBrightnessController != null;
         final boolean autoBrightnessDisabledDueToDisplayOff = mUseAutoBrightness
                 && !(state == Display.STATE_ON || autoBrightnessEnabledInDoze);
         final int autoBrightnessState = autoBrightnessEnabled
+                    && mBrightnessReasonTemp.getReason() != BrightnessReason.REASON_FOLLOWER
                 ? AutomaticBrightnessController.AUTO_BRIGHTNESS_ENABLED
                 : autoBrightnessDisabledDueToDisplayOff
                         ? AutomaticBrightnessController.AUTO_BRIGHTNESS_OFF_DUE_TO_DISPLAY_STATE
@@ -1655,9 +1655,11 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
                     mShouldResetShortTermModel);
             mShouldResetShortTermModel = false;
         }
-        mBrightnessRangeController.setAutoBrightnessEnabled(mUseAutoBrightness
+        mBrightnessRangeController.setAutoBrightnessEnabled(autoBrightnessEnabled
                 ? AutomaticBrightnessController.AUTO_BRIGHTNESS_ENABLED
-                : AutomaticBrightnessController.AUTO_BRIGHTNESS_DISABLED);
+                : autoBrightnessDisabledDueToDisplayOff
+                        ? AutomaticBrightnessController.AUTO_BRIGHTNESS_OFF_DUE_TO_DISPLAY_STATE
+                        : AutomaticBrightnessController.AUTO_BRIGHTNESS_DISABLED);
 
         if (mBrightnessTracker != null) {
             mBrightnessTracker.setShouldCollectColorSample(mBrightnessConfiguration != null
diff --git a/services/core/java/com/android/server/display/DisplayPowerController2.java b/services/core/java/com/android/server/display/DisplayPowerController2.java
index 1471ab2788256..e1af04208480f 100644
--- a/services/core/java/com/android/server/display/DisplayPowerController2.java
+++ b/services/core/java/com/android/server/display/DisplayPowerController2.java
@@ -1296,7 +1296,7 @@ final class DisplayPowerController2 implements AutomaticBrightnessController.Cal
                 mAutomaticBrightnessStrategy.isShortTermModelActive();
         mAutomaticBrightnessStrategy.setAutoBrightnessState(state,
                 mDisplayBrightnessController.isAllowAutoBrightnessWhileDozingConfig(),
-                brightnessState, mBrightnessReasonTemp.getReason(), mPowerRequest.policy,
+                mBrightnessReasonTemp.getReason(), mPowerRequest.policy,
                 mDisplayBrightnessController.getLastUserSetScreenBrightness(),
                 userSetBrightnessChanged);
 
@@ -1306,10 +1306,12 @@ final class DisplayPowerController2 implements AutomaticBrightnessController.Cal
                 && (mAutomaticBrightnessStrategy.getAutoBrightnessAdjustmentChanged()
                 || userSetBrightnessChanged);
 
-        mBrightnessRangeController.setAutoBrightnessEnabled(mAutomaticBrightnessStrategy
-                .shouldUseAutoBrightness()
+        mBrightnessRangeController.setAutoBrightnessEnabled(
+                mAutomaticBrightnessStrategy.isAutoBrightnessEnabled()
                 ? AutomaticBrightnessController.AUTO_BRIGHTNESS_ENABLED
-                : AutomaticBrightnessController.AUTO_BRIGHTNESS_DISABLED);
+                : mAutomaticBrightnessStrategy.isAutoBrightnessDisabledDueToDisplayOff()
+                        ? AutomaticBrightnessController.AUTO_BRIGHTNESS_OFF_DUE_TO_DISPLAY_STATE
+                        : AutomaticBrightnessController.AUTO_BRIGHTNESS_DISABLED);
 
         boolean updateScreenBrightnessSetting = false;
         float currentBrightnessSetting = mDisplayBrightnessController.getCurrentBrightness();
diff --git a/services/core/java/com/android/server/display/brightness/strategy/AutomaticBrightnessStrategy.java b/services/core/java/com/android/server/display/brightness/strategy/AutomaticBrightnessStrategy.java
index 9b39a7dedf125..bcd52598edd2d 100644
--- a/services/core/java/com/android/server/display/brightness/strategy/AutomaticBrightnessStrategy.java
+++ b/services/core/java/com/android/server/display/brightness/strategy/AutomaticBrightnessStrategy.java
@@ -73,6 +73,9 @@ public class AutomaticBrightnessStrategy {
     // the user has enabled the auto-brightness from the settings, it is disabled because the
     // display is off
     private boolean mIsAutoBrightnessEnabled = false;
+    // Indicates if auto-brightness is disabled due to the display being off. Needed for metric
+    // purposes.
+    private boolean mAutoBrightnessDisabledDueToDisplayOff;
     // If the auto-brightness model for the last manual changes done by the user.
     private boolean mIsShortTermModelActive = false;
 
@@ -96,24 +99,21 @@ public class AutomaticBrightnessStrategy {
      * AutomaticBrightnessController accounting for any manual changes made by the user.
      */
     public void setAutoBrightnessState(int targetDisplayState,
-            boolean allowAutoBrightnessWhileDozingConfig,
-            float brightnessState, int brightnessReason, int policy,
+            boolean allowAutoBrightnessWhileDozingConfig, int brightnessReason, int policy,
             float lastUserSetScreenBrightness, boolean userSetBrightnessChanged) {
         final boolean autoBrightnessEnabledInDoze =
                 allowAutoBrightnessWhileDozingConfig
                         && Display.isDozeState(targetDisplayState);
         mIsAutoBrightnessEnabled = shouldUseAutoBrightness()
                 && (targetDisplayState == Display.STATE_ON || autoBrightnessEnabledInDoze)
-                && (Float.isNaN(brightnessState)
-                || brightnessReason == BrightnessReason.REASON_TEMPORARY
-                || brightnessReason == BrightnessReason.REASON_BOOST)
-                && mAutomaticBrightnessController != null
-                && brightnessReason != BrightnessReason.REASON_FOLLOWER;
-        final boolean autoBrightnessDisabledDueToDisplayOff = shouldUseAutoBrightness()
+                && brightnessReason != BrightnessReason.REASON_OVERRIDE
+                && mAutomaticBrightnessController != null;
+        mAutoBrightnessDisabledDueToDisplayOff = shouldUseAutoBrightness()
                 && !(targetDisplayState == Display.STATE_ON || autoBrightnessEnabledInDoze);
         final int autoBrightnessState = mIsAutoBrightnessEnabled
+                    && brightnessReason != BrightnessReason.REASON_FOLLOWER
                 ? AutomaticBrightnessController.AUTO_BRIGHTNESS_ENABLED
-                : autoBrightnessDisabledDueToDisplayOff
+                : mAutoBrightnessDisabledDueToDisplayOff
                         ? AutomaticBrightnessController.AUTO_BRIGHTNESS_OFF_DUE_TO_DISPLAY_STATE
                         : AutomaticBrightnessController.AUTO_BRIGHTNESS_DISABLED;
 
@@ -125,6 +125,10 @@ public class AutomaticBrightnessStrategy {
         return mIsAutoBrightnessEnabled;
     }
 
+    public boolean isAutoBrightnessDisabledDueToDisplayOff() {
+        return mAutoBrightnessDisabledDueToDisplayOff;
+    }
+
     /**
      * Updates the {@link BrightnessConfiguration} that is currently being used by the associated
      * display.
diff --git a/services/tests/mockingservicestests/src/com/android/server/display/DisplayPowerController2Test.java b/services/tests/mockingservicestests/src/com/android/server/display/DisplayPowerController2Test.java
index 2942bd2ff9631..aaab4033d5798 100644
--- a/services/tests/mockingservicestests/src/com/android/server/display/DisplayPowerController2Test.java
+++ b/services/tests/mockingservicestests/src/com/android/server/display/DisplayPowerController2Test.java
@@ -844,6 +844,155 @@ public final class DisplayPowerController2Test {
         verify(mHolder.screenOffBrightnessSensorController).stop();
     }
 
+    @Test
+    public void testAutoBrightnessEnabled_DisplayIsOn() {
+        Settings.System.putInt(mContext.getContentResolver(),
+                Settings.System.SCREEN_BRIGHTNESS_MODE,
+                Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC);
+
+        DisplayPowerRequest dpr = new DisplayPowerRequest();
+        dpr.policy = DisplayPowerRequest.POLICY_BRIGHT;
+        when(mHolder.displayPowerState.getScreenState()).thenReturn(Display.STATE_ON);
+        mHolder.dpc.requestPowerState(dpr, /* waitForNegativeProximity= */ false);
+        advanceTime(1); // Run updatePowerState
+
+        verify(mHolder.automaticBrightnessController).configure(
+                AutomaticBrightnessController.AUTO_BRIGHTNESS_ENABLED,
+                /* configuration= */ null, PowerManager.BRIGHTNESS_INVALID_FLOAT,
+                /* userChangedBrightness= */ false, /* adjustment= */ 0,
+                /* userChangedAutoBrightnessAdjustment= */ false, DisplayPowerRequest.POLICY_BRIGHT,
+                /* shouldResetShortTermModel= */ false
+        );
+        verify(mHolder.hbmController)
+                .setAutoBrightnessEnabled(AutomaticBrightnessController.AUTO_BRIGHTNESS_ENABLED);
+    }
+
+    @Test
+    public void testAutoBrightnessEnabled_DisplayIsInDoze() {
+        Settings.System.putInt(mContext.getContentResolver(),
+                Settings.System.SCREEN_BRIGHTNESS_MODE,
+                Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC);
+        mContext.getOrCreateTestableResources().addOverride(
+                com.android.internal.R.bool.config_allowAutoBrightnessWhileDozing, true);
+        mHolder = createDisplayPowerController(DISPLAY_ID, UNIQUE_ID);
+
+        DisplayPowerRequest dpr = new DisplayPowerRequest();
+        dpr.policy = DisplayPowerRequest.POLICY_DOZE;
+        when(mHolder.displayPowerState.getScreenState()).thenReturn(Display.STATE_DOZE);
+        mHolder.dpc.requestPowerState(dpr, /* waitForNegativeProximity= */ false);
+        advanceTime(1); // Run updatePowerState
+
+        verify(mHolder.automaticBrightnessController).configure(
+                AutomaticBrightnessController.AUTO_BRIGHTNESS_ENABLED,
+                /* configuration= */ null, PowerManager.BRIGHTNESS_INVALID_FLOAT,
+                /* userChangedBrightness= */ false, /* adjustment= */ 0,
+                /* userChangedAutoBrightnessAdjustment= */ false, DisplayPowerRequest.POLICY_DOZE,
+                /* shouldResetShortTermModel= */ false
+        );
+        verify(mHolder.hbmController)
+                .setAutoBrightnessEnabled(AutomaticBrightnessController.AUTO_BRIGHTNESS_ENABLED);
+    }
+
+    @Test
+    public void testAutoBrightnessDisabled_ManualBrightnessMode() {
+        Settings.System.putInt(mContext.getContentResolver(),
+                Settings.System.SCREEN_BRIGHTNESS_MODE,
+                Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL);
+
+        DisplayPowerRequest dpr = new DisplayPowerRequest();
+        dpr.policy = DisplayPowerRequest.POLICY_BRIGHT;
+        when(mHolder.displayPowerState.getScreenState()).thenReturn(Display.STATE_ON);
+        mHolder.dpc.requestPowerState(dpr, /* waitForNegativeProximity= */ false);
+        advanceTime(1); // Run updatePowerState
+
+        // One triggered by the test, the other by handleBrightnessModeChange
+        verify(mHolder.automaticBrightnessController, times(2)).configure(
+                AutomaticBrightnessController.AUTO_BRIGHTNESS_DISABLED,
+                /* configuration= */ null, PowerManager.BRIGHTNESS_INVALID_FLOAT,
+                /* userChangedBrightness= */ false, /* adjustment= */ 0,
+                /* userChangedAutoBrightnessAdjustment= */ false, DisplayPowerRequest.POLICY_BRIGHT,
+                /* shouldResetShortTermModel= */ false
+        );
+        verify(mHolder.hbmController, times(2))
+                .setAutoBrightnessEnabled(AutomaticBrightnessController.AUTO_BRIGHTNESS_DISABLED);
+    }
+
+    @Test
+    public void testAutoBrightnessDisabled_DisplayIsOff() {
+        Settings.System.putInt(mContext.getContentResolver(),
+                Settings.System.SCREEN_BRIGHTNESS_MODE,
+                Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC);
+
+        DisplayPowerRequest dpr = new DisplayPowerRequest();
+        dpr.policy = DisplayPowerRequest.POLICY_OFF;
+        when(mHolder.displayPowerState.getScreenState()).thenReturn(Display.STATE_OFF);
+        mHolder.dpc.requestPowerState(dpr, /* waitForNegativeProximity= */ false);
+        advanceTime(1); // Run updatePowerState
+
+        verify(mHolder.automaticBrightnessController).configure(
+                AutomaticBrightnessController.AUTO_BRIGHTNESS_OFF_DUE_TO_DISPLAY_STATE,
+                /* configuration= */ null, PowerManager.BRIGHTNESS_INVALID_FLOAT,
+                /* userChangedBrightness= */ false, /* adjustment= */ 0,
+                /* userChangedAutoBrightnessAdjustment= */ false, DisplayPowerRequest.POLICY_OFF,
+                /* shouldResetShortTermModel= */ false
+        );
+        verify(mHolder.hbmController).setAutoBrightnessEnabled(
+                AutomaticBrightnessController.AUTO_BRIGHTNESS_OFF_DUE_TO_DISPLAY_STATE);
+    }
+
+    @Test
+    public void testAutoBrightnessDisabled_DisplayIsInDoze() {
+        Settings.System.putInt(mContext.getContentResolver(),
+                Settings.System.SCREEN_BRIGHTNESS_MODE,
+                Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC);
+        mContext.getOrCreateTestableResources().addOverride(
+                com.android.internal.R.bool.config_allowAutoBrightnessWhileDozing, false);
+        mHolder = createDisplayPowerController(DISPLAY_ID, UNIQUE_ID);
+
+        DisplayPowerRequest dpr = new DisplayPowerRequest();
+        dpr.policy = DisplayPowerRequest.POLICY_DOZE;
+        when(mHolder.displayPowerState.getScreenState()).thenReturn(Display.STATE_DOZE);
+        mHolder.dpc.requestPowerState(dpr, /* waitForNegativeProximity= */ false);
+        advanceTime(1); // Run updatePowerState
+
+        verify(mHolder.automaticBrightnessController).configure(
+                AutomaticBrightnessController.AUTO_BRIGHTNESS_OFF_DUE_TO_DISPLAY_STATE,
+                /* configuration= */ null, PowerManager.BRIGHTNESS_INVALID_FLOAT,
+                /* userChangedBrightness= */ false, /* adjustment= */ 0,
+                /* userChangedAutoBrightnessAdjustment= */ false, DisplayPowerRequest.POLICY_DOZE,
+                /* shouldResetShortTermModel= */ false
+        );
+        verify(mHolder.hbmController).setAutoBrightnessEnabled(
+                AutomaticBrightnessController.AUTO_BRIGHTNESS_OFF_DUE_TO_DISPLAY_STATE);
+    }
+
+    @Test
+    public void testAutoBrightnessDisabled_FollowerDisplay() {
+        Settings.System.putInt(mContext.getContentResolver(),
+                Settings.System.SCREEN_BRIGHTNESS_MODE,
+                Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC);
+        mHolder.dpc.setBrightnessToFollow(0.3f, -1, 0, /* slowChange= */ false);
+
+        DisplayPowerRequest dpr = new DisplayPowerRequest();
+        dpr.policy = DisplayPowerRequest.POLICY_BRIGHT;
+        when(mHolder.displayPowerState.getScreenState()).thenReturn(Display.STATE_ON);
+        mHolder.dpc.requestPowerState(dpr, /* waitForNegativeProximity= */ false);
+        advanceTime(1); // Run updatePowerState
+
+        // One triggered by the test, the other by handleBrightnessModeChange
+        verify(mHolder.automaticBrightnessController, times(2)).configure(
+                AutomaticBrightnessController.AUTO_BRIGHTNESS_DISABLED,
+                /* configuration= */ null, PowerManager.BRIGHTNESS_INVALID_FLOAT,
+                /* userChangedBrightness= */ false, /* adjustment= */ 0,
+                /* userChangedAutoBrightnessAdjustment= */ false, DisplayPowerRequest.POLICY_BRIGHT,
+                /* shouldResetShortTermModel= */ false
+        );
+
+        // HBM should be allowed for the follower display
+        verify(mHolder.hbmController)
+                .setAutoBrightnessEnabled(AutomaticBrightnessController.AUTO_BRIGHTNESS_ENABLED);
+    }
+
     @Test
     public void testBrightnessNitsPersistWhenDisplayDeviceChanges() {
         float brightness = 0.3f;
diff --git a/services/tests/mockingservicestests/src/com/android/server/display/DisplayPowerControllerTest.java b/services/tests/mockingservicestests/src/com/android/server/display/DisplayPowerControllerTest.java
index 032f8ff364cb4..7d26913bd3904 100644
--- a/services/tests/mockingservicestests/src/com/android/server/display/DisplayPowerControllerTest.java
+++ b/services/tests/mockingservicestests/src/com/android/server/display/DisplayPowerControllerTest.java
@@ -849,6 +849,155 @@ public final class DisplayPowerControllerTest {
         verify(mHolder.screenOffBrightnessSensorController).stop();
     }
 
+    @Test
+    public void testAutoBrightnessEnabled_DisplayIsOn() {
+        Settings.System.putInt(mContext.getContentResolver(),
+                Settings.System.SCREEN_BRIGHTNESS_MODE,
+                Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC);
+
+        DisplayPowerRequest dpr = new DisplayPowerRequest();
+        dpr.policy = DisplayPowerRequest.POLICY_BRIGHT;
+        when(mHolder.displayPowerState.getScreenState()).thenReturn(Display.STATE_ON);
+        mHolder.dpc.requestPowerState(dpr, /* waitForNegativeProximity= */ false);
+        advanceTime(1); // Run updatePowerState
+
+        verify(mHolder.automaticBrightnessController).configure(
+                AutomaticBrightnessController.AUTO_BRIGHTNESS_ENABLED,
+                /* configuration= */ null, PowerManager.BRIGHTNESS_INVALID_FLOAT,
+                /* userChangedBrightness= */ false, /* adjustment= */ 0,
+                /* userChangedAutoBrightnessAdjustment= */ false, DisplayPowerRequest.POLICY_BRIGHT,
+                /* shouldResetShortTermModel= */ false
+        );
+        verify(mHolder.hbmController)
+                .setAutoBrightnessEnabled(AutomaticBrightnessController.AUTO_BRIGHTNESS_ENABLED);
+    }
+
+    @Test
+    public void testAutoBrightnessEnabled_DisplayIsInDoze() {
+        Settings.System.putInt(mContext.getContentResolver(),
+                Settings.System.SCREEN_BRIGHTNESS_MODE,
+                Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC);
+        mContext.getOrCreateTestableResources().addOverride(
+                com.android.internal.R.bool.config_allowAutoBrightnessWhileDozing, true);
+        mHolder = createDisplayPowerController(DISPLAY_ID, UNIQUE_ID);
+
+        DisplayPowerRequest dpr = new DisplayPowerRequest();
+        dpr.policy = DisplayPowerRequest.POLICY_DOZE;
+        when(mHolder.displayPowerState.getScreenState()).thenReturn(Display.STATE_DOZE);
+        mHolder.dpc.requestPowerState(dpr, /* waitForNegativeProximity= */ false);
+        advanceTime(1); // Run updatePowerState
+
+        verify(mHolder.automaticBrightnessController).configure(
+                AutomaticBrightnessController.AUTO_BRIGHTNESS_ENABLED,
+                /* configuration= */ null, PowerManager.BRIGHTNESS_INVALID_FLOAT,
+                /* userChangedBrightness= */ false, /* adjustment= */ 0,
+                /* userChangedAutoBrightnessAdjustment= */ false, DisplayPowerRequest.POLICY_DOZE,
+                /* shouldResetShortTermModel= */ false
+        );
+        verify(mHolder.hbmController)
+                .setAutoBrightnessEnabled(AutomaticBrightnessController.AUTO_BRIGHTNESS_ENABLED);
+    }
+
+    @Test
+    public void testAutoBrightnessDisabled_ManualBrightnessMode() {
+        Settings.System.putInt(mContext.getContentResolver(),
+                Settings.System.SCREEN_BRIGHTNESS_MODE,
+                Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL);
+
+        DisplayPowerRequest dpr = new DisplayPowerRequest();
+        dpr.policy = DisplayPowerRequest.POLICY_BRIGHT;
+        when(mHolder.displayPowerState.getScreenState()).thenReturn(Display.STATE_ON);
+        mHolder.dpc.requestPowerState(dpr, /* waitForNegativeProximity= */ false);
+        advanceTime(1); // Run updatePowerState
+
+        // One triggered by the test, the other by handleBrightnessModeChange
+        verify(mHolder.automaticBrightnessController, times(2)).configure(
+                AutomaticBrightnessController.AUTO_BRIGHTNESS_DISABLED,
+                /* configuration= */ null, PowerManager.BRIGHTNESS_INVALID_FLOAT,
+                /* userChangedBrightness= */ false, /* adjustment= */ 0,
+                /* userChangedAutoBrightnessAdjustment= */ false, DisplayPowerRequest.POLICY_BRIGHT,
+                /* shouldResetShortTermModel= */ false
+        );
+        verify(mHolder.hbmController, times(2))
+                .setAutoBrightnessEnabled(AutomaticBrightnessController.AUTO_BRIGHTNESS_DISABLED);
+    }
+
+    @Test
+    public void testAutoBrightnessDisabled_DisplayIsOff() {
+        Settings.System.putInt(mContext.getContentResolver(),
+                Settings.System.SCREEN_BRIGHTNESS_MODE,
+                Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC);
+
+        DisplayPowerRequest dpr = new DisplayPowerRequest();
+        dpr.policy = DisplayPowerRequest.POLICY_OFF;
+        when(mHolder.displayPowerState.getScreenState()).thenReturn(Display.STATE_OFF);
+        mHolder.dpc.requestPowerState(dpr, /* waitForNegativeProximity= */ false);
+        advanceTime(1); // Run updatePowerState
+
+        verify(mHolder.automaticBrightnessController).configure(
+                AutomaticBrightnessController.AUTO_BRIGHTNESS_OFF_DUE_TO_DISPLAY_STATE,
+                /* configuration= */ null, PowerManager.BRIGHTNESS_INVALID_FLOAT,
+                /* userChangedBrightness= */ false, /* adjustment= */ 0,
+                /* userChangedAutoBrightnessAdjustment= */ false, DisplayPowerRequest.POLICY_OFF,
+                /* shouldResetShortTermModel= */ false
+        );
+        verify(mHolder.hbmController).setAutoBrightnessEnabled(
+                AutomaticBrightnessController.AUTO_BRIGHTNESS_OFF_DUE_TO_DISPLAY_STATE);
+    }
+
+    @Test
+    public void testAutoBrightnessDisabled_DisplayIsInDoze() {
+        Settings.System.putInt(mContext.getContentResolver(),
+                Settings.System.SCREEN_BRIGHTNESS_MODE,
+                Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC);
+        mContext.getOrCreateTestableResources().addOverride(
+                com.android.internal.R.bool.config_allowAutoBrightnessWhileDozing, false);
+        mHolder = createDisplayPowerController(DISPLAY_ID, UNIQUE_ID);
+
+        DisplayPowerRequest dpr = new DisplayPowerRequest();
+        dpr.policy = DisplayPowerRequest.POLICY_DOZE;
+        when(mHolder.displayPowerState.getScreenState()).thenReturn(Display.STATE_DOZE);
+        mHolder.dpc.requestPowerState(dpr, /* waitForNegativeProximity= */ false);
+        advanceTime(1); // Run updatePowerState
+
+        verify(mHolder.automaticBrightnessController).configure(
+                AutomaticBrightnessController.AUTO_BRIGHTNESS_OFF_DUE_TO_DISPLAY_STATE,
+                /* configuration= */ null, PowerManager.BRIGHTNESS_INVALID_FLOAT,
+                /* userChangedBrightness= */ false, /* adjustment= */ 0,
+                /* userChangedAutoBrightnessAdjustment= */ false, DisplayPowerRequest.POLICY_DOZE,
+                /* shouldResetShortTermModel= */ false
+        );
+        verify(mHolder.hbmController).setAutoBrightnessEnabled(
+                AutomaticBrightnessController.AUTO_BRIGHTNESS_OFF_DUE_TO_DISPLAY_STATE);
+    }
+
+    @Test
+    public void testAutoBrightnessDisabled_FollowerDisplay() {
+        Settings.System.putInt(mContext.getContentResolver(),
+                Settings.System.SCREEN_BRIGHTNESS_MODE,
+                Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC);
+        mHolder.dpc.setBrightnessToFollow(0.3f, -1, 0, /* slowChange= */ false);
+
+        DisplayPowerRequest dpr = new DisplayPowerRequest();
+        dpr.policy = DisplayPowerRequest.POLICY_BRIGHT;
+        when(mHolder.displayPowerState.getScreenState()).thenReturn(Display.STATE_ON);
+        mHolder.dpc.requestPowerState(dpr, /* waitForNegativeProximity= */ false);
+        advanceTime(1); // Run updatePowerState
+
+        // One triggered by the test, the other by handleBrightnessModeChange
+        verify(mHolder.automaticBrightnessController, times(2)).configure(
+                AutomaticBrightnessController.AUTO_BRIGHTNESS_DISABLED,
+                /* configuration= */ null, PowerManager.BRIGHTNESS_INVALID_FLOAT,
+                /* userChangedBrightness= */ false, /* adjustment= */ 0,
+                /* userChangedAutoBrightnessAdjustment= */ false, DisplayPowerRequest.POLICY_BRIGHT,
+                /* shouldResetShortTermModel= */ false
+        );
+
+        // HBM should be allowed for the follower display
+        verify(mHolder.hbmController)
+                .setAutoBrightnessEnabled(AutomaticBrightnessController.AUTO_BRIGHTNESS_ENABLED);
+    }
+
     @Test
     public void testBrightnessNitsPersistWhenDisplayDeviceChanges() {
         float brightness = 0.3f;
diff --git a/services/tests/servicestests/src/com/android/server/display/brightness/strategy/AutomaticBrightnessStrategyTest.java b/services/tests/servicestests/src/com/android/server/display/brightness/strategy/AutomaticBrightnessStrategyTest.java
index f68d34477e493..b652576a75c8a 100644
--- a/services/tests/servicestests/src/com/android/server/display/brightness/strategy/AutomaticBrightnessStrategyTest.java
+++ b/services/tests/servicestests/src/com/android/server/display/brightness/strategy/AutomaticBrightnessStrategyTest.java
@@ -96,32 +96,101 @@ public class AutomaticBrightnessStrategyTest {
     }
 
     @Test
-    public void setAutoBrightnessWhenDisabled() {
+    public void testAutoBrightnessState_AutoBrightnessDisabled() {
         mAutomaticBrightnessStrategy.setUseAutoBrightness(false);
         int targetDisplayState = Display.STATE_ON;
         boolean allowAutoBrightnessWhileDozing = false;
-        float brightnessState = Float.NaN;
-        int brightnessReason = BrightnessReason.REASON_OVERRIDE;
+        int brightnessReason = BrightnessReason.REASON_UNKNOWN;
         int policy = DisplayManagerInternal.DisplayPowerRequest.POLICY_BRIGHT;
         float lastUserSetBrightness = 0.2f;
         boolean userSetBrightnessChanged = true;
         mAutomaticBrightnessStrategy.updatePendingAutoBrightnessAdjustments(true);
         mAutomaticBrightnessStrategy.setAutoBrightnessState(targetDisplayState,
-                allowAutoBrightnessWhileDozing, brightnessState, brightnessReason, policy,
-                lastUserSetBrightness, userSetBrightnessChanged);
+                allowAutoBrightnessWhileDozing, brightnessReason, policy, lastUserSetBrightness,
+                userSetBrightnessChanged);
         verify(mAutomaticBrightnessController)
                 .configure(AutomaticBrightnessController.AUTO_BRIGHTNESS_DISABLED,
                         mBrightnessConfiguration,
                         lastUserSetBrightness,
                         userSetBrightnessChanged, 0.5f,
                         false, policy, true);
+        assertFalse(mAutomaticBrightnessStrategy.isAutoBrightnessEnabled());
+        assertFalse(mAutomaticBrightnessStrategy.isAutoBrightnessDisabledDueToDisplayOff());
     }
 
     @Test
-    public void setAutoBrightnessWhenEnabledAndDisplayIsDozing() {
+    public void testAutoBrightnessState_DisplayIsOff() {
+        mAutomaticBrightnessStrategy.setUseAutoBrightness(true);
+        int targetDisplayState = Display.STATE_OFF;
+        boolean allowAutoBrightnessWhileDozing = false;
+        int brightnessReason = BrightnessReason.REASON_UNKNOWN;
+        int policy = DisplayManagerInternal.DisplayPowerRequest.POLICY_OFF;
+        float lastUserSetBrightness = 0.2f;
+        boolean userSetBrightnessChanged = true;
+        mAutomaticBrightnessStrategy.updatePendingAutoBrightnessAdjustments(true);
+        mAutomaticBrightnessStrategy.setAutoBrightnessState(targetDisplayState,
+                allowAutoBrightnessWhileDozing, brightnessReason, policy, lastUserSetBrightness,
+                userSetBrightnessChanged);
+        verify(mAutomaticBrightnessController)
+                .configure(AutomaticBrightnessController.AUTO_BRIGHTNESS_OFF_DUE_TO_DISPLAY_STATE,
+                        mBrightnessConfiguration,
+                        lastUserSetBrightness,
+                        userSetBrightnessChanged, 0.5f,
+                        false, policy, true);
+        assertFalse(mAutomaticBrightnessStrategy.isAutoBrightnessEnabled());
+        assertTrue(mAutomaticBrightnessStrategy.isAutoBrightnessDisabledDueToDisplayOff());
+    }
+
+    @Test
+    public void testAutoBrightnessState_DisplayIsInDoze_ConfigDoesNotAllow() {
+        mAutomaticBrightnessStrategy.setUseAutoBrightness(true);
+        int targetDisplayState = Display.STATE_DOZE;
+        boolean allowAutoBrightnessWhileDozing = false;
+        int brightnessReason = BrightnessReason.REASON_UNKNOWN;
+        int policy = DisplayManagerInternal.DisplayPowerRequest.POLICY_DOZE;
+        float lastUserSetBrightness = 0.2f;
+        boolean userSetBrightnessChanged = true;
+        mAutomaticBrightnessStrategy.updatePendingAutoBrightnessAdjustments(true);
+        mAutomaticBrightnessStrategy.setAutoBrightnessState(targetDisplayState,
+                allowAutoBrightnessWhileDozing, brightnessReason, policy, lastUserSetBrightness,
+                userSetBrightnessChanged);
+        verify(mAutomaticBrightnessController)
+                .configure(AutomaticBrightnessController.AUTO_BRIGHTNESS_OFF_DUE_TO_DISPLAY_STATE,
+                        mBrightnessConfiguration,
+                        lastUserSetBrightness,
+                        userSetBrightnessChanged, 0.5f,
+                        false, policy, true);
+        assertFalse(mAutomaticBrightnessStrategy.isAutoBrightnessEnabled());
+        assertTrue(mAutomaticBrightnessStrategy.isAutoBrightnessDisabledDueToDisplayOff());
+    }
+
+    @Test
+    public void testAutoBrightnessState_BrightnessReasonIsOverride() {
+        mAutomaticBrightnessStrategy.setUseAutoBrightness(true);
+        int targetDisplayState = Display.STATE_ON;
+        boolean allowAutoBrightnessWhileDozing = false;
+        int brightnessReason = BrightnessReason.REASON_OVERRIDE;
+        int policy = DisplayManagerInternal.DisplayPowerRequest.POLICY_BRIGHT;
+        float lastUserSetBrightness = 0.2f;
+        boolean userSetBrightnessChanged = true;
+        mAutomaticBrightnessStrategy.updatePendingAutoBrightnessAdjustments(true);
+        mAutomaticBrightnessStrategy.setAutoBrightnessState(targetDisplayState,
+                allowAutoBrightnessWhileDozing, brightnessReason, policy, lastUserSetBrightness,
+                userSetBrightnessChanged);
+        verify(mAutomaticBrightnessController)
+                .configure(AutomaticBrightnessController.AUTO_BRIGHTNESS_DISABLED,
+                        mBrightnessConfiguration,
+                        lastUserSetBrightness,
+                        userSetBrightnessChanged, 0.5f,
+                        false, policy, true);
+        assertFalse(mAutomaticBrightnessStrategy.isAutoBrightnessEnabled());
+        assertFalse(mAutomaticBrightnessStrategy.isAutoBrightnessDisabledDueToDisplayOff());
+    }
+
+    @Test
+    public void testAutoBrightnessState_DisplayIsInDoze_ConfigDoesAllow() {
         mAutomaticBrightnessStrategy.setUseAutoBrightness(true);
         int targetDisplayState = Display.STATE_DOZE;
-        float brightnessState = Float.NaN;
         boolean allowAutoBrightnessWhileDozing = true;
         int brightnessReason = BrightnessReason.REASON_DOZE;
         int policy = DisplayManagerInternal.DisplayPowerRequest.POLICY_DOZE;
@@ -131,23 +200,24 @@ public class AutomaticBrightnessStrategyTest {
                 Settings.System.SCREEN_AUTO_BRIGHTNESS_ADJ, 0.4f);
         mAutomaticBrightnessStrategy.updatePendingAutoBrightnessAdjustments(false);
         mAutomaticBrightnessStrategy.setAutoBrightnessState(targetDisplayState,
-                allowAutoBrightnessWhileDozing, brightnessState, brightnessReason, policy,
-                lastUserSetBrightness, userSetBrightnessChanged);
+                allowAutoBrightnessWhileDozing, brightnessReason, policy, lastUserSetBrightness,
+                userSetBrightnessChanged);
         verify(mAutomaticBrightnessController)
                 .configure(AutomaticBrightnessController.AUTO_BRIGHTNESS_ENABLED,
                         mBrightnessConfiguration,
                         lastUserSetBrightness,
                         userSetBrightnessChanged, 0.4f,
                         true, policy, true);
+        assertTrue(mAutomaticBrightnessStrategy.isAutoBrightnessEnabled());
+        assertFalse(mAutomaticBrightnessStrategy.isAutoBrightnessDisabledDueToDisplayOff());
     }
 
     @Test
-    public void setAutoBrightnessWhenEnabledAndDisplayIsOn() {
+    public void testAutoBrightnessState_DisplayIsOn() {
         mAutomaticBrightnessStrategy.setUseAutoBrightness(true);
         int targetDisplayState = Display.STATE_ON;
-        float brightnessState = Float.NaN;
         boolean allowAutoBrightnessWhileDozing = false;
-        int brightnessReason = BrightnessReason.REASON_OVERRIDE;
+        int brightnessReason = BrightnessReason.REASON_UNKNOWN;
         float lastUserSetBrightness = 0.2f;
         boolean userSetBrightnessChanged = true;
         int policy = DisplayManagerInternal.DisplayPowerRequest.POLICY_BRIGHT;
@@ -156,14 +226,16 @@ public class AutomaticBrightnessStrategyTest {
                 Settings.System.SCREEN_AUTO_BRIGHTNESS_ADJ, pendingBrightnessAdjustment);
         mAutomaticBrightnessStrategy.updatePendingAutoBrightnessAdjustments(false);
         mAutomaticBrightnessStrategy.setAutoBrightnessState(targetDisplayState,
-                allowAutoBrightnessWhileDozing, brightnessState, brightnessReason, policy,
-                lastUserSetBrightness, userSetBrightnessChanged);
+                allowAutoBrightnessWhileDozing, brightnessReason, policy, lastUserSetBrightness,
+                userSetBrightnessChanged);
         verify(mAutomaticBrightnessController)
                 .configure(AutomaticBrightnessController.AUTO_BRIGHTNESS_ENABLED,
                         mBrightnessConfiguration,
                         lastUserSetBrightness,
                         userSetBrightnessChanged, pendingBrightnessAdjustment,
                         true, policy, true);
+        assertTrue(mAutomaticBrightnessStrategy.isAutoBrightnessEnabled());
+        assertFalse(mAutomaticBrightnessStrategy.isAutoBrightnessDisabledDueToDisplayOff());
     }
 
     @Test