commit aee5e6eccae9b5d51a836a1d05accccf927e5597
author Naseer Ahmed <naseer@codeaurora.org> Thu Sep 27 13:17:59 2012 -0400
committer Iliyan Malchev <malchev@google.com> Thu Sep 27 14:29:53 2012 -0700
tree 55782b9732bcf2a65d3ca919adbc53628422aeeb
parent 8c8bfd2f827946ad88ea181d7f952d41ca4938fe

hwc: Close unused pipes before PAN

If the pipes are closed after PAN a blank screen is
seen when when we transition from MDP composition
to GLES composition.
We close the unused pipes at the beginning of the set
since the decision has already been made in prepare.

Bug: 7188473
Change-Id: I6f946fa3d02f1c84fb2bb8d3b8e5c823c1151fd5
Signed-off-by: Iliyan Malchev <malchev@google.com>

libhwcomposer/hwc.cpp

diff --git a/libhwcomposer/hwc.cpp b/libhwcomposer/hwc.cpp
index 9456851..f3911cd 100644
--- a/libhwcomposer/hwc.cpp
+++ b/libhwcomposer/hwc.cpp
@@ -275,6 +275,9 @@
 {
     int ret = 0;
     hwc_context_t* ctx = (hwc_context_t*)(dev);
+    if(!ctx->overlayInUse)
+        ctx->mOverlay->setState(ovutils::OV_CLOSED);
+
     for (uint32_t i = 0; i < numDisplays; i++) {
         hwc_display_contents_1_t* list = displays[i];
         switch(i) {
@@ -286,9 +289,6 @@
                 ret = -EINVAL;
         }
     }
-    if(!ctx->overlayInUse)
-        ctx->mOverlay->setState(ovutils::OV_CLOSED);
-
     return ret;
 }