commit 54821fe3a2bc914f84d3fd182068047122584e40
author Naseer Ahmed <naseer@codeaurora.org> Wed Nov 28 18:44:38 2012 -0500
committer Naseer Ahmed <naseer@codeaurora.org> Mon Dec 03 15:34:07 2012 -0500
tree 2f8102a0e91600d1007974bbc4a470b0c8a2c9f6
parent 758bfc5b502de739fe26ad4164d10066d7e953c1

libhwcomposer: Add support for 4 layer MDP Comp

This change extends MDP composition to support
upto 4 layers by making border fill as base pipe and
using all MDP h/w pipes in overlay mode.

Conflicts:

	libhwcomposer/hwc.cpp
	libhwcomposer/hwc_utils.cpp
	libhwcomposer/hwc_utils.h

Bug: 7626586
Change-Id: I01a0e53ddfbcf3ed46734f6f3bb0ef7d912ceac6
Signed-off-by: Jeykumar Sankaran <jsanka@codeaurora.org>
Signed-off-by: Iliyan Malchev <malchev@google.com>

libexternal/external.cpp

diff --git a/libexternal/external.cpp b/libexternal/external.cpp
index f00d551..a05ea16 100644
--- a/libexternal/external.cpp
+++ b/libexternal/external.cpp
@@ -445,13 +445,17 @@
  */
 bool ExternalDisplay::post()
 {
-    if(mFd == -1) {
+    if(mFd == -1)
         return false;
-    } else if(ioctl(mFd, MSMFB_OVERLAY_COMMIT, &mExternalDisplay) == -1) {
-         ALOGE("%s: MSMFB_OVERLAY_COMMIT failed, str: %s", __FUNCTION__,
-                                                          strerror(errno));
+
+    struct mdp_display_commit ext_commit;
+    ext_commit.flags |= MDP_DISPLAY_COMMIT_OVERLAY;
+    if (ioctl(mFd, MSMFB_DISPLAY_COMMIT, &ext_commit) == -1) {
+         ALOGE("%s: MSMFB_DISPLAY_COMMIT for external failed, str: %s",
+                                                __FUNCTION__, strerror(errno));
          return false;
     }
+
     return true;
 }