From fca660cf730161f823e770ad1693fab441477edd Mon Sep 17 00:00:00 2001
From: Mathias Agopian <mathias@google.com>
Date: Thu, 12 Apr 2012 20:43:16 -0700
Subject: [PATCH] don't wake-up eventthread every 16ms if there are no vsync
 requests

Bug: 6332534
Change-Id: Idf79ad913770c6180969f6c95a9b125fff580231
---
 services/surfaceflinger/EventThread.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/services/surfaceflinger/EventThread.cpp b/services/surfaceflinger/EventThread.cpp
index d86c28090..21634ee97 100644
--- a/services/surfaceflinger/EventThread.cpp
+++ b/services/surfaceflinger/EventThread.cpp
@@ -170,7 +170,7 @@ bool EventThread::threadLoop() {
             }
 
             // wait for something to happen
-            if (mUseSoftwareVSync == true) {
+            if (mUseSoftwareVSync && waitForNextVsync) {
                 // h/w vsync cannot be used (screen is off), so we use
                 // a  timeout instead. it doesn't matter how imprecise this
                 // is, we just need to make sure to serve the clients