commit 3e52c99fedf38df9980739793c9258f65a09fc12
author Dileep Kumar Reddi <dkumarre@codeaurora.org> Mon Apr 20 14:31:01 2015 +0530
committer Dileep Kumar Reddi <dkumarre@codeaurora.org> Mon Apr 20 14:31:01 2015 +0530
tree 52698a062ed10695d3ed1852cd499a359be121f0
parent e6b3209514fae1db6ff7a66baf74dc78cfbb9143

hwc: Do not unset pipe for MDP3 targets

Their is no borderfill for MDP3 targets, so DMA pipe should be
attached always, except suspend. In case of no app layers,
we unset all pipes. We have to avoid this for MDP3 targets.

Change-Id: Ibae2c97af18a2c92157d0d5f48b46864e58fdd35

libhwcomposer/hwc.cpp

diff --git a/libhwcomposer/hwc.cpp b/libhwcomposer/hwc.cpp
index 1fa40ce..093b950 100644
--- a/libhwcomposer/hwc.cpp
+++ b/libhwcomposer/hwc.cpp
@@ -284,8 +284,9 @@
 
     if (!ctx->mBootAnimCompleted)
         processBootAnimCompleted(ctx);
-    if (LIKELY(list && list->numHwLayers > 1) && ctx->dpyAttr[dpy].connected &&
-            (ctx->dpyAttr[dpy].isActive ||
+    if (LIKELY(list && (list->numHwLayers > 1 ||
+                    ctx->mMDP.version < qdutils::MDP_V4_0)) &&
+        ctx->dpyAttr[dpy].connected && (ctx->dpyAttr[dpy].isActive ||
              ctx->mHDMIDisplay->isHDMIPrimaryDisplay())
             && !ctx->dpyAttr[dpy].isPause) {