From 96f11eedc0074a9ef97bd40fef254be10ff30a8e Mon Sep 17 00:00:00 2001
From: Kriti Dang <kritidang@google.com>
Date: Fri, 4 Mar 2022 14:12:27 +0100
Subject: [PATCH] Call SurfaceControl.getBootDisplayModeSupport only one time

Bug: 221071139
Test: Tested manually
Change-Id: I139ee424864f3dbb1ec03790277524f81775bf2b
---
 .../com/android/server/display/LocalDisplayAdapter.java   | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/services/core/java/com/android/server/display/LocalDisplayAdapter.java b/services/core/java/com/android/server/display/LocalDisplayAdapter.java
index 7a0cf4b592e78..540ae8165dbd9 100644
--- a/services/core/java/com/android/server/display/LocalDisplayAdapter.java
+++ b/services/core/java/com/android/server/display/LocalDisplayAdapter.java
@@ -73,6 +73,8 @@ final class LocalDisplayAdapter extends DisplayAdapter {
 
     private final SurfaceControlProxy mSurfaceControlProxy;
 
+    private final boolean mIsBootDisplayModeSupported;
+
     // Called with SyncRoot lock held.
     public LocalDisplayAdapter(DisplayManagerService.SyncRoot syncRoot,
             Context context, Handler handler, Listener listener) {
@@ -85,6 +87,7 @@ final class LocalDisplayAdapter extends DisplayAdapter {
         super(syncRoot, context, handler, listener, TAG);
         mInjector = injector;
         mSurfaceControlProxy = mInjector.getSurfaceControlProxy();
+        mIsBootDisplayModeSupported = mSurfaceControlProxy.getBootDisplayModeSupport();
     }
 
     @Override
@@ -349,8 +352,7 @@ final class LocalDisplayAdapter extends DisplayAdapter {
 
                 if (preferredRecord != null) {
                     int preferredModeId = preferredRecord.mMode.getModeId();
-                    if (mSurfaceControlProxy.getBootDisplayModeSupport()
-                            && mSystemPreferredModeId != preferredModeId) {
+                    if (mIsBootDisplayModeSupported && mSystemPreferredModeId != preferredModeId) {
                         mSystemPreferredModeId = preferredModeId;
                         preferredModeChanged = true;
                     }
@@ -900,7 +902,7 @@ final class LocalDisplayAdapter extends DisplayAdapter {
             }
             updateDeviceInfoLocked();
 
-            if (!mSurfaceControlProxy.getBootDisplayModeSupport()) {
+            if (!mIsBootDisplayModeSupported) {
                 return;
             }
             if (mUserPreferredModeId == INVALID_MODE_ID) {