diff --git a/services/core/java/com/android/server/wm/DisplayContent.java b/services/core/java/com/android/server/wm/DisplayContent.java
index 218fcb7a998c2..b21fd917583e1 100644
--- a/services/core/java/com/android/server/wm/DisplayContent.java
+++ b/services/core/java/com/android/server/wm/DisplayContent.java
@@ -801,7 +801,9 @@ class DisplayContent extends WindowContainer<DisplayContent.DisplayChildWindowCo
         // {@link DisplayContent} ready for use.
         mDisplayReady = true;
 
-        mInputMonitor = new InputMonitor(service, mDisplayId);
+        // TODO(b/112081256): Use independent InputMonitor.
+        mInputMonitor = isDefaultDisplay ? new InputMonitor(service, mDisplayId)
+                : mService.getDefaultDisplayContentLocked().mInputMonitor;
     }
 
     boolean isReady() {
diff --git a/services/core/java/com/android/server/wm/InputMonitor.java b/services/core/java/com/android/server/wm/InputMonitor.java
index d53a21b962508..c4beb553e0ec7 100644
--- a/services/core/java/com/android/server/wm/InputMonitor.java
+++ b/services/core/java/com/android/server/wm/InputMonitor.java
@@ -399,7 +399,8 @@ final class InputMonitor {
             this.inDrag = inDrag;
             wallpaperController = mService.mRoot.mWallpaperController;
 
-            mService.mRoot.getDisplayContent(mDisplayId).forAllWindows(this,
+            // TODO(b/112081256): Use independent InputMonitor for each display.
+            mService.mRoot/*.getDisplayContent(mDisplayId)*/.forAllWindows(this,
                     true /* traverseTopToBottom */);
             if (mAddWallpaperInputConsumerHandle) {
                 // No visible wallpaper found, add the wallpaper input consumer at the end.
diff --git a/services/core/java/com/android/server/wm/WindowManagerService.java b/services/core/java/com/android/server/wm/WindowManagerService.java
index 9b792e3f2d138..f4035e06f676f 100644
--- a/services/core/java/com/android/server/wm/WindowManagerService.java
+++ b/services/core/java/com/android/server/wm/WindowManagerService.java
@@ -6082,23 +6082,26 @@ public class WindowManagerService extends IWindowManager.Stub
     @Override
     public void createInputConsumer(IBinder token, String name, InputChannel inputChannel) {
         synchronized (mWindowMap) {
-            mRoot.forAllDisplays(dc -> {
-                dc.getInputMonitor().createInputConsumer(token, name, inputChannel,
+            // TODO(b/112049699): Fix this for multiple displays. There is only one inputChannel
+            // here to accept the return value.
+            DisplayContent display = mRoot.getDisplayContent(Display.DEFAULT_DISPLAY);
+            if (display != null) {
+                display.getInputMonitor().createInputConsumer(token, name, inputChannel,
                         Binder.getCallingPid(), Binder.getCallingUserHandle());
-            });
+            }
         }
     }
 
     @Override
     public boolean destroyInputConsumer(String name) {
         synchronized (mWindowMap) {
-            AtomicBoolean retValue = new AtomicBoolean(true);
-            mRoot.forAllDisplays(dc -> {
-                if (!dc.getInputMonitor().destroyInputConsumer(name)) {
-                    retValue.set(false);
-                }
-            });
-            return retValue.get();
+            // TODO(b/112049699): Fix this for multiple displays. For consistency with
+            // createInputConsumer above.
+            DisplayContent display = mRoot.getDisplayContent(Display.DEFAULT_DISPLAY);
+            if (display != null) {
+                return display.getInputMonitor().destroyInputConsumer(name);
+            }
+            return false;
         }
     }
 
@@ -7090,19 +7093,24 @@ public class WindowManagerService extends IWindowManager.Stub
 
     @Override
     public void dontOverrideDisplayInfo(int displayId) {
-        synchronized (mWindowMap) {
-            final DisplayContent dc = getDisplayContentOrCreate(displayId);
-            if (dc == null) {
-                throw new IllegalArgumentException(
-                        "Trying to register a non existent display.");
+        final long token = Binder.clearCallingIdentity();
+        try {
+            synchronized (mWindowMap) {
+                final DisplayContent dc = getDisplayContentOrCreate(displayId);
+                if (dc == null) {
+                    throw new IllegalArgumentException(
+                            "Trying to register a non existent display.");
+                }
+                // We usually set the override info in DisplayManager so that we get consistent
+                // values when displays are changing. However, we don't do this for displays that
+                // serve as containers for ActivityViews because we don't want letter-/pillar-boxing
+                // during resize.
+                dc.mShouldOverrideDisplayConfiguration = false;
+                mDisplayManagerInternal.setDisplayInfoOverrideFromWindowManager(displayId,
+                        null /* info */);
             }
-            // We usually set the override info in DisplayManager so that we get consistent
-            // values when displays are changing. However, we don't do this for displays that
-            // serve as containers for ActivityViews because we don't want letter-/pillar-boxing
-            // during resize.
-            dc.mShouldOverrideDisplayConfiguration = false;
-            mDisplayManagerInternal.setDisplayInfoOverrideFromWindowManager(displayId,
-                    null /* info */);
+        } finally {
+            Binder.restoreCallingIdentity(token);
         }
     }