commit d30b36d1fd0c7ab80553e784a155266be9703e47
author Jamie Gennis <jgennis@google.com> Sun Sep 30 20:02:03 2012 -0700
committer Android (Google) Code Review <android-gerrit@google.com> Mon Oct 01 12:24:59 2012 -0700
tree 0e01b7a4d02000bc786ca48433234b6de8de8a54
parent ec0f5e5f0c433666698fa55c2e38ccdc9cf0df44

SurfaceFlinger: reset the FB_TGT acquire fence

This change makes SurfaceFlinger reset the acquire fence fd to -1 after each
call to HWComposer::commit.  The HWComposer implementation is resonsible for
closing the fd, so SurfaceFlinger should make sure not to pass it to HWC
multiple times.

Change-Id: I79554d9f6d6ef2b77d632d40251516c1f5b16ddb
Bug: 7258954

services/surfaceflinger/DisplayHardware/HWComposer.cpp

diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.cpp b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
index 960fb0e..d4adad2 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.cpp
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
@@ -613,6 +613,7 @@
         const DisplayData& disp(mDisplayData[id]);
         if (disp.framebufferTarget) {
             fd = disp.framebufferTarget->releaseFenceFd;
+            disp.framebufferTarget->acquireFenceFd = -1;
             disp.framebufferTarget->releaseFenceFd = -1;
         }
     }