From bb53b0e4b97634bc31808965f81b3ab4193d0e84 Mon Sep 17 00:00:00 2001
From: Mathias Agopian <mathias@google.com>
Date: Mon, 24 Sep 2012 21:27:29 -0700
Subject: [PATCH] When "show visible regions" is enabled we were missing a call
 to HWC

Bug: 7204034
Change-Id: I64dd78362fa75149513a7d9ff92dde175e9b4958
---
 services/surfaceflinger/SurfaceFlinger.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 6bd300dde..6ed9843f4 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -792,6 +792,12 @@ void SurfaceFlinger::doDebugFlashRegions()
     if (mDebugRegion > 1) {
         usleep(mDebugRegion * 1000);
     }
+
+    HWComposer& hwc(getHwComposer());
+    if (hwc.initCheck() == NO_ERROR) {
+        status_t err = hwc.prepare();
+        ALOGE_IF(err, "HWComposer::prepare failed (%s)", strerror(-err));
+    }
 }
 
 void SurfaceFlinger::preComposition()