diff --git a/services/inputflinger/InputReader.cpp b/services/inputflinger/InputReader.cpp
index 3d5f1d9..33bf163 100644
--- a/services/inputflinger/InputReader.cpp
+++ b/services/inputflinger/InputReader.cpp
@@ -2641,6 +2641,11 @@
                 mOrientation = internalViewport->orientation;
             }
         }
+
+        // Update the PointerController if viewports changed.
+        if (mParameters.hasAssociatedDisplay) {
+            getPolicy()->obtainPointerController(getDeviceId());
+        }
         bumpGeneration();
     }
 }
@@ -2786,7 +2791,7 @@
         pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_Y, y);
         pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_RELATIVE_X, deltaX);
         pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_RELATIVE_Y, deltaY);
-        displayId = ADISPLAY_ID_DEFAULT;
+        displayId = mPointerController->getDisplayId();
     } else {
         pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_X, deltaX);
         pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_Y, deltaY);
@@ -3612,10 +3617,10 @@
         mOrientedRanges.clear();
     }
 
-    // Create pointer controller if needed.
+    // Create or update pointer controller if needed.
     if (mDeviceMode == DEVICE_MODE_POINTER ||
             (mDeviceMode == DEVICE_MODE_DIRECT && mConfig.showTouches)) {
-        if (mPointerController == nullptr) {
+        if (mPointerController == nullptr || viewportChanged) {
             mPointerController = getPolicy()->obtainPointerController(getDeviceId());
         }
     } else {
@@ -5404,8 +5409,9 @@
         pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_X, x);
         pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_Y, y);
 
+        const int32_t displayId = mPointerController->getDisplayId();
         NotifyMotionArgs args(mContext->getNextSequenceNum(), when, getDeviceId(),
-                mSource, mViewport.displayId, policyFlags,
+                mSource, displayId, policyFlags,
                 AMOTION_EVENT_ACTION_HOVER_MOVE, 0, 0,
                 metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE,
                 /* deviceTimestamp */ 0, 1, &pointerProperties, &pointerCoords,
@@ -6312,6 +6318,7 @@
 void TouchInputMapper::dispatchPointerSimple(nsecs_t when, uint32_t policyFlags,
         bool down, bool hovering) {
     int32_t metaState = getContext()->getGlobalMetaState();
+    int32_t displayId = mViewport.displayId;
 
     if (mPointerController != nullptr) {
         if (down || hovering) {
@@ -6322,6 +6329,7 @@
         } else if (!down && !hovering && (mPointerSimple.down || mPointerSimple.hovering)) {
             mPointerController->fade(PointerControllerInterface::TRANSITION_GRADUAL);
         }
+        displayId = mPointerController->getDisplayId();
     }
 
     if (mPointerSimple.down && !down) {
@@ -6329,7 +6337,7 @@
 
         // Send up.
         NotifyMotionArgs args(mContext->getNextSequenceNum(), when, getDeviceId(),
-                mSource, mViewport.displayId, policyFlags,
+                mSource, displayId, policyFlags,
                 AMOTION_EVENT_ACTION_UP, 0, 0, metaState, mLastRawState.buttonState, 0,
                 /* deviceTimestamp */ 0,
                 1, &mPointerSimple.lastProperties, &mPointerSimple.lastCoords,
@@ -6342,8 +6350,8 @@
         mPointerSimple.hovering = false;
 
         // Send hover exit.
-        NotifyMotionArgs args(mContext->getNextSequenceNum(), when, getDeviceId(), 
-                mSource, mViewport.displayId, policyFlags,
+        NotifyMotionArgs args(mContext->getNextSequenceNum(), when, getDeviceId(),
+                mSource, displayId, policyFlags,
                 AMOTION_EVENT_ACTION_HOVER_EXIT, 0, 0, metaState, mLastRawState.buttonState, 0,
                 /* deviceTimestamp */ 0,
                 1, &mPointerSimple.lastProperties, &mPointerSimple.lastCoords,
@@ -6358,8 +6366,8 @@
             mPointerSimple.downTime = when;
 
             // Send down.
-            NotifyMotionArgs args(mContext->getNextSequenceNum(), when, getDeviceId(), 
-                    mSource, mViewport.displayId, policyFlags,
+            NotifyMotionArgs args(mContext->getNextSequenceNum(), when, getDeviceId(),
+                    mSource, displayId, policyFlags,
                     AMOTION_EVENT_ACTION_DOWN, 0, 0, metaState, mCurrentRawState.buttonState, 0,
                     /* deviceTimestamp */ 0,
                     1, &mPointerSimple.currentProperties, &mPointerSimple.currentCoords,
@@ -6369,8 +6377,8 @@
         }
 
         // Send move.
-        NotifyMotionArgs args(mContext->getNextSequenceNum(), when, getDeviceId(), 
-                mSource, mViewport.displayId, policyFlags,
+        NotifyMotionArgs args(mContext->getNextSequenceNum(), when, getDeviceId(),
+                mSource, displayId, policyFlags,
                 AMOTION_EVENT_ACTION_MOVE, 0, 0, metaState, mCurrentRawState.buttonState, 0,
                 /* deviceTimestamp */ 0,
                 1, &mPointerSimple.currentProperties, &mPointerSimple.currentCoords,
@@ -6384,8 +6392,8 @@
             mPointerSimple.hovering = true;
 
             // Send hover enter.
-            NotifyMotionArgs args(mContext->getNextSequenceNum(), when, getDeviceId(), 
-                    mSource, mViewport.displayId, policyFlags,
+            NotifyMotionArgs args(mContext->getNextSequenceNum(), when, getDeviceId(),
+                    mSource, displayId, policyFlags,
                     AMOTION_EVENT_ACTION_HOVER_ENTER, 0, 0, metaState,
                     mCurrentRawState.buttonState, 0,
                     /* deviceTimestamp */ 0,
@@ -6396,8 +6404,8 @@
         }
 
         // Send hover move.
-        NotifyMotionArgs args(mContext->getNextSequenceNum(), when, getDeviceId(), 
-                mSource, mViewport.displayId, policyFlags,
+        NotifyMotionArgs args(mContext->getNextSequenceNum(), when, getDeviceId(),
+                mSource, displayId, policyFlags,
                 AMOTION_EVENT_ACTION_HOVER_MOVE, 0, 0, metaState,
                 mCurrentRawState.buttonState, 0,
                 /* deviceTimestamp */ 0,
@@ -6419,8 +6427,8 @@
         pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_VSCROLL, vscroll);
         pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_HSCROLL, hscroll);
 
-        NotifyMotionArgs args(mContext->getNextSequenceNum(), when, getDeviceId(), 
-                mSource, mViewport.displayId, policyFlags,
+        NotifyMotionArgs args(mContext->getNextSequenceNum(), when, getDeviceId(),
+                mSource, displayId, policyFlags,
                 AMOTION_EVENT_ACTION_SCROLL, 0, 0, metaState, mCurrentRawState.buttonState, 0,
                 /* deviceTimestamp */ 0,
                 1, &mPointerSimple.currentProperties, &pointerCoords,
@@ -6482,11 +6490,13 @@
             ALOG_ASSERT(false);
         }
     }
+    const int32_t displayId = mPointerController != nullptr ?
+            mPointerController->getDisplayId() : mViewport.displayId;
 
     const int32_t deviceId = getDeviceId();
     std::vector<TouchVideoFrame> frames = mDevice->getEventHub()->getVideoFrames(deviceId);
     NotifyMotionArgs args(mContext->getNextSequenceNum(), when, deviceId,
-            source, mViewport.displayId, policyFlags,
+            source, displayId, policyFlags,
             action, actionButton, flags, metaState, buttonState, edgeFlags,
             deviceTimestamp, pointerCount, pointerProperties, pointerCoords,
             xPrecision, yPrecision, downTime, std::move(frames));
diff --git a/services/inputflinger/include/PointerControllerInterface.h b/services/inputflinger/include/PointerControllerInterface.h
index e94dd94..bc0f1f9 100644
--- a/services/inputflinger/include/PointerControllerInterface.h
+++ b/services/inputflinger/include/PointerControllerInterface.h
@@ -98,6 +98,9 @@
 
     /* Removes all spots. */
     virtual void clearSpots() = 0;
+
+    /* Gets the id of the display where the pointer should be shown. */
+    virtual int32_t getDisplayId() const = 0;
 };
 
 } // namespace android
diff --git a/services/inputflinger/tests/InputReader_test.cpp b/services/inputflinger/tests/InputReader_test.cpp
index d39d8dc..de87e7f 100644
--- a/services/inputflinger/tests/InputReader_test.cpp
+++ b/services/inputflinger/tests/InputReader_test.cpp
@@ -57,6 +57,7 @@
     float mMinX, mMinY, mMaxX, mMaxY;
     float mX, mY;
     int32_t mButtonState;
+    int32_t mDisplayId;
 
 protected:
     virtual ~FakePointerController() { }
@@ -64,7 +65,7 @@
 public:
     FakePointerController() :
         mHaveBounds(false), mMinX(0), mMinY(0), mMaxX(0), mMaxY(0), mX(0), mY(0),
-        mButtonState(0) {
+        mButtonState(0), mDisplayId(ADISPLAY_ID_DEFAULT) {
     }
 
     void setBounds(float minX, float minY, float maxX, float maxY) {
@@ -75,6 +76,10 @@
         mMaxY = maxY;
     }
 
+    void setDisplayId(int32_t displayId) {
+        mDisplayId = displayId;
+    }
+
     virtual void setPosition(float x, float y) {
         mX = x;
         mY = y;
@@ -93,6 +98,10 @@
         *outY = mY;
     }
 
+    virtual int32_t getDisplayId() const {
+        return mDisplayId;
+    }
+
 private:
     virtual bool getBounds(float* outMinX, float* outMinY, float* outMaxX, float* outMaxY) const {
         *outMinX = mMinX;
@@ -3169,6 +3178,30 @@
     ASSERT_NO_FATAL_FAILURE(assertPosition(mFakePointerController, 110.0f, 220.0f));
 }
 
+TEST_F(CursorInputMapperTest, Process_ShouldHandleDisplayId) {
+    CursorInputMapper* mapper = new CursorInputMapper(mDevice);
+    addMapperAndConfigure(mapper);
+
+    // Setup PointerController for second display.
+    constexpr int32_t SECOND_DISPLAY_ID = 1;
+    mFakePointerController->setBounds(0, 0, 800 - 1, 480 - 1);
+    mFakePointerController->setPosition(100, 200);
+    mFakePointerController->setButtonState(0);
+    mFakePointerController->setDisplayId(SECOND_DISPLAY_ID);
+
+    NotifyMotionArgs args;
+    process(mapper, ARBITRARY_TIME, EV_REL, REL_X, 10);
+    process(mapper, ARBITRARY_TIME, EV_REL, REL_Y, 20);
+    process(mapper, ARBITRARY_TIME, EV_SYN, SYN_REPORT, 0);
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&args));
+    ASSERT_EQ(AINPUT_SOURCE_MOUSE, args.source);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_HOVER_MOVE, args.action);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(args.pointerCoords[0],
+            110.0f, 220.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f));
+    ASSERT_NO_FATAL_FAILURE(assertPosition(mFakePointerController, 110.0f, 220.0f));
+    ASSERT_EQ(SECOND_DISPLAY_ID, args.displayId);
+}
+
 
 // --- TouchInputMapperTest ---
 
@@ -6318,4 +6351,30 @@
     ASSERT_EQ(SECONDARY_DISPLAY_ID, motionArgs.displayId);
 }
 
+TEST_F(MultiTouchInputMapperTest, Process_Pointer_ShouldHandleDisplayId) {
+    // Setup PointerController for second display.
+    sp<FakePointerController> fakePointerController = new FakePointerController();
+    fakePointerController->setBounds(0, 0, 800 - 1, 480 - 1);
+    fakePointerController->setPosition(100, 200);
+    fakePointerController->setButtonState(0);
+    fakePointerController->setDisplayId(SECONDARY_DISPLAY_ID);
+    mFakePolicy->setPointerController(mDevice->getId(), fakePointerController);
+
+    MultiTouchInputMapper* mapper = new MultiTouchInputMapper(mDevice);
+    prepareDisplay(DISPLAY_ORIENTATION_0);
+    prepareAxes(POSITION);
+    addMapperAndConfigure(mapper);
+
+    // Check source is mouse that would obtain the PointerController.
+    ASSERT_EQ(AINPUT_SOURCE_MOUSE, mapper->getSources());
+
+    NotifyMotionArgs motionArgs;
+    processPosition(mapper, 100, 100);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(AMOTION_EVENT_ACTION_HOVER_MOVE, motionArgs.action);
+    ASSERT_EQ(SECONDARY_DISPLAY_ID, motionArgs.displayId);
+}
+
 } // namespace android