diff --git a/services/surfaceflinger/DisplayDevice.h b/services/surfaceflinger/DisplayDevice.h
index 70dcc1e..e5fe067 100644
--- a/services/surfaceflinger/DisplayDevice.h
+++ b/services/surfaceflinger/DisplayDevice.h
@@ -79,6 +79,9 @@
 
     bool isVirtual() const { return !mConnectionType; }
     bool isPrimary() const { return mIsPrimary; }
+    bool isInternal() const {
+        return !isVirtual() && mConnectionType == ui::DisplayConnectionType::Internal;
+    }
 
     // isSecure indicates whether this display can be trusted to display
     // secure surfaces.