commit 4393eaa6d3e0249b2421f3419fc0be167ac55728
author Raj Kamal <rkamal@codeaurora.org> Fri Jun 06 13:45:20 2014 +0530
committer Raj Kamal <rkamal@codeaurora.org> Fri Jun 06 14:42:45 2014 +0530
tree abad72d8aade76fc15da9d5af3c9240e75fc489f
parent a38d62051bdd286b772989d5bb37d5d7b09a3e3c

hwc: Avoid MDP draw if prepare is not successful.

If #AppLayers are 0 or exceed MAX_NUM_APP_LAYERS
return early from MDP draw.

Change-Id: I834c7b04a295fbd9b98374cade880992d995ad1f

libhwcomposer/hwc.cpp

diff --git a/libhwcomposer/hwc.cpp b/libhwcomposer/hwc.cpp
index 3d88b3b..b2466d0 100644
--- a/libhwcomposer/hwc.cpp
+++ b/libhwcomposer/hwc.cpp
@@ -214,6 +214,8 @@
 
         }
 
+        if(ctx->mMDPComp[i])
+            ctx->mMDPComp[i]->reset();
         if(ctx->mFBUpdate[i])
             ctx->mFBUpdate[i]->reset();
         if(ctx->mCopyBit[i])
@@ -223,7 +225,6 @@
     }
 
     ctx->mAD->reset();
-    MDPComp::reset();
     if(ctx->mHWCVirtual)
         ctx->mHWCVirtual->destroy(ctx, numDisplays, displays);
 }