1 files changed, 10 insertions, 0 deletions
diff --git a/core/java/android/view/SurfaceControl.java b/core/java/android/view/SurfaceControl.java
index 8143cf953f19..ffce4617eec6 100644
--- a/core/java/android/view/SurfaceControl.java
+++ b/core/java/android/view/SurfaceControl.java
@@ -157,6 +157,7 @@ public final class SurfaceControl implements Parcelable {
     private static native boolean nativeGetAnimationFrameStats(WindowAnimationFrameStats outStats);
 
     private static native long[] nativeGetPhysicalDisplayIds();
+    private static native long nativeGetPrimaryPhysicalDisplayId();
     private static native IBinder nativeGetPhysicalDisplayToken(long physicalDisplayId);
     private static native IBinder nativeCreateDisplay(String name, boolean secure);
     private static native void nativeDestroyDisplay(IBinder displayToken);
@@ -2266,6 +2267,15 @@ public final class SurfaceControl implements Parcelable {
     }
 
     /**
+     * Exposed to identify the correct display to apply the primary display orientation. Avoid using
+     * for any other purpose.
+     * @hide
+     */
+    public static long getPrimaryPhysicalDisplayId() {
+        return nativeGetPrimaryPhysicalDisplayId();
+    }
+
+    /**
      * @hide
      */
     public static IBinder getPhysicalDisplayToken(long physicalDisplayId) {