diff --git a/services/core/java/com/android/server/display/DisplayManagerService.java b/services/core/java/com/android/server/display/DisplayManagerService.java
index bc7e156..dde5120 100644
--- a/services/core/java/com/android/server/display/DisplayManagerService.java
+++ b/services/core/java/com/android/server/display/DisplayManagerService.java
@@ -4337,8 +4337,10 @@
                     if ((flags & DisplayDeviceInfo.FLAG_NEVER_BLANK) == 0) {
                         final DisplayPowerControllerInterface displayPowerController =
                                 mDisplayPowerControllers.get(id);
-                        ready &= displayPowerController.requestPowerState(request,
-                                waitForNegativeProximity);
+                        if (displayPowerController != null) {
+                            ready &= displayPowerController.requestPowerState(request,
+                                    waitForNegativeProximity);
+                        }
                     }
                 }