diff --git a/services/core/java/com/android/server/policy/PhoneWindowManager.java b/services/core/java/com/android/server/policy/PhoneWindowManager.java
index 9ed8a045467f8..473573afd2c5a 100644
--- a/services/core/java/com/android/server/policy/PhoneWindowManager.java
+++ b/services/core/java/com/android/server/policy/PhoneWindowManager.java
@@ -6375,6 +6375,7 @@ public class PhoneWindowManager implements WindowManagerPolicy {
 
     private class HdmiVideoExtconUEventObserver extends ExtconStateObserver<Boolean> {
         private static final String HDMI_EXIST = "HDMI=1";
+        private static final String DP_EXIST = "DP=1";
         private static final String NAME = "hdmi";
 
         private boolean init(ExtconInfo hdmi) {
@@ -6405,7 +6406,8 @@ public class PhoneWindowManager implements WindowManagerPolicy {
         public Boolean parseState(ExtconInfo extconIfno, String state) {
             // extcon event state changes from kernel4.9
             // new state will be like STATE=HDMI=1
-            return state.contains(HDMI_EXIST);
+            // or like STATE=DP=1 for newer kernel
+            return state.contains(HDMI_EXIST) || state.contains(DP_EXIST);
         }
     }