From d577641411f067c93aabcd2acf7ce06862fb26d3 Mon Sep 17 00:00:00 2001
From: Mathias Agopian <mathias@google.com>
Date: Fri, 8 Mar 2013 13:54:46 -0800
Subject: [PATCH] make sure to call compositionComplete after taking a
 screenshot

older drivers which are doing implicit synchronization need this
or they could deadlock.

Bug: 8341885
Change-Id: Icd980a6be16071678d6151e34725b3c1c547d7ee
---
 services/surfaceflinger/SurfaceFlinger.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 0ad471bed..5939dc85f 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -2720,6 +2720,9 @@ status_t SurfaceFlinger::captureScreenImplLocked(
         }
     }
 
+    // compositionComplete is needed for older driver
+    hw->compositionComplete();
+
     // and finishing things up...
     if (eglSwapBuffers(mEGLDisplay, eglSurface) != EGL_TRUE) {
         ALOGE("captureScreenImplLocked: eglSwapBuffers() failed 0x%4x",