From 4d8c72e306e31dbe3160d3ac0edbb0beee24f111 Mon Sep 17 00:00:00 2001
From: Steve Kondik <shade@chemlab.org>
Date: Tue, 4 Sep 2012 12:04:06 -0700
Subject: [PATCH] hwc: Enable MDP_BACKEND_COMPOSITION

 * Add MDP_BACKEND_COMPOSITION flag to resolve flicker

Change-Id: I3dfa680e0c74ccbac69f40dc15e014153ce0b530
---
 libhwcomposer/hwc_mdpcomp.cpp | 2 ++
 liboverlay/overlayUtils.h     | 1 +
 2 files changed, 3 insertions(+)

diff --git a/libhwcomposer/hwc_mdpcomp.cpp b/libhwcomposer/hwc_mdpcomp.cpp
index 92a1b7a..16836f4 100644
--- a/libhwcomposer/hwc_mdpcomp.cpp
+++ b/libhwcomposer/hwc_mdpcomp.cpp
@@ -296,6 +296,8 @@ int MDPComp::prepare(hwc_context_t *ctx, hwc_layer_t *layer,
                                                    : ovutils::OV_MDP_FLAGS_NONE;
         ovutils::eIsFg isFG = mdp_info.isFG ? ovutils::IS_FG_SET
                                                            : ovutils::IS_FG_OFF;
+        ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_BACKEND_COMPOSITION);
+
         ovutils::PipeArgs parg(mdpFlags,
                                info,
                                zOrder,
diff --git a/liboverlay/overlayUtils.h b/liboverlay/overlayUtils.h
index a4b9d6e..0fd60cb 100644
--- a/liboverlay/overlayUtils.h
+++ b/liboverlay/overlayUtils.h
@@ -293,6 +293,7 @@ enum eMdpFlags {
     OV_MDP_SECURE_OVERLAY_SESSION = MDP_SECURE_OVERLAY_SESSION,
     OV_MDP_SOURCE_ROTATED_90 = MDP_SOURCE_ROTATED_90,
     OV_MDP_MEMORY_ID_TYPE_FB = MDP_MEMORY_ID_TYPE_FB,
+    OV_MDP_BACKEND_COMPOSITION = MDP_BACKEND_COMPOSITION,
 };
 
 enum eZorder {