commit d29698422c7cb47b158d82a86a9bdda6e03d7f31
author Huihong Luo <huisinro@google.com> Thu May 26 12:36:08 2022 -0700
committer Huihong Luo <huisinro@google.com> Tue May 31 09:38:27 2022 -0700
tree 9ec7fc8c4ecee18ec93c8e7825696e2d0d35da57
parent a4b0d8af289c5f2e911b5d5f15a8e92650b0c54e

Mark display parameter to be nullable

The getDisplayStats method allows null display as the input
parameter.

Bug: 229037800
Test: run cts -m CtsDeqpTestCases
Change-Id: Iadce8b18b031f806960cfe61d636f0aec0aa2f26

libs/gui/aidl/android/gui/ISurfaceComposer.aidl

diff --git a/libs/gui/aidl/android/gui/ISurfaceComposer.aidl b/libs/gui/aidl/android/gui/ISurfaceComposer.aidl
index a9977b0..b31b37b 100644
--- a/libs/gui/aidl/android/gui/ISurfaceComposer.aidl
+++ b/libs/gui/aidl/android/gui/ISurfaceComposer.aidl
@@ -54,10 +54,11 @@
      */
     void setPowerMode(IBinder display, int mode);
 
-    /* returns display statistics for a given display
+    /**
+     * Returns display statistics for a given display
      * intended to be used by the media framework to properly schedule
      * video frames */
-    DisplayStatInfo getDisplayStats(IBinder display);
+    DisplayStatInfo getDisplayStats(@nullable IBinder display);
 
      /**
      * Get transactional state of given display.