commit 271de040ffc1371251a9741d2f347642a5de0995
author Alec Mouri <alecmouri@google.com> Mon Apr 27 22:38:19 2020 -0700
committer Alec Mouri <alecmouri@google.com> Thu May 07 19:17:54 2020 -0700
tree aa3be0c5314fe17229feea1954927602bee3276e
parent 5a1f5498456814a8f4ed364d495792b27ca85104

Receive refresh rate callbacks from DMS

AChoreographer will use DMS as the source of truth for these callbacks
instead of SurfaceFlinger.

Bug: 154874011
Test: ChoreographerNativeTest
Tes: Manually verify that HWUI is processing refresh rate callbacks
Change-Id: I961a7d1ab335800d3e260ba7564ddca9c0595cfc

libs/gui/IDisplayEventConnection.cpp

diff --git a/libs/gui/IDisplayEventConnection.cpp b/libs/gui/IDisplayEventConnection.cpp
index dda5acf..aa74bfd 100644
--- a/libs/gui/IDisplayEventConnection.cpp
+++ b/libs/gui/IDisplayEventConnection.cpp
@@ -26,8 +26,8 @@
     STEAL_RECEIVE_CHANNEL = IBinder::FIRST_CALL_TRANSACTION,
     SET_VSYNC_RATE,
     REQUEST_NEXT_VSYNC,
-    TOGGLE_CONFIG_EVENTS,
-    LAST = TOGGLE_CONFIG_EVENTS,
+    REQUEST_LATEST_CONFIG,
+    LAST = REQUEST_LATEST_CONFIG,
 };
 
 } // Anonymous namespace
@@ -55,10 +55,9 @@
                 Tag::REQUEST_NEXT_VSYNC);
     }
 
-    void toggleConfigEvents(ISurfaceComposer::ConfigChanged configChangeFlag) override {
-        callRemoteAsync<decltype(
-                &IDisplayEventConnection::toggleConfigEvents)>(Tag::TOGGLE_CONFIG_EVENTS,
-                                                               configChangeFlag);
+    void requestLatestConfig() override {
+        callRemoteAsync<decltype(&IDisplayEventConnection::requestLatestConfig)>(
+                Tag::REQUEST_LATEST_CONFIG);
     }
 };
 
@@ -81,8 +80,8 @@
             return callLocal(data, reply, &IDisplayEventConnection::setVsyncRate);
         case Tag::REQUEST_NEXT_VSYNC:
             return callLocalAsync(data, reply, &IDisplayEventConnection::requestNextVsync);
-        case Tag::TOGGLE_CONFIG_EVENTS:
-            return callLocalAsync(data, reply, &IDisplayEventConnection::toggleConfigEvents);
+        case Tag::REQUEST_LATEST_CONFIG:
+            return callLocalAsync(data, reply, &IDisplayEventConnection::requestLatestConfig);
     }
 }