commit 27dee264f7ee0c6dfba058ea8d65531d8eea7744
author Jeykumar Sankaran <jsanka@codeaurora.org> Thu Aug 01 17:09:54 2013 -0700
committer Amara Venkata Mastan Manoj Kumar <manojavm@codeaurora.org> Wed Aug 14 13:19:37 2013 -0700
tree 56a9dd2a65ea8d5dfbb4c0a1d7413ed5b25cac98
parent 1e673388683e5ba7a6f65517f9afecf053245eff

display: External display refactor

- cleans up external library
- add separate library for virtual display
- process virtual updates in its separate path
  in hwc.
- Acquire blank mutex lock for one complete drawing
  cycle

Change-Id: Ib984c578464a131ecdb27ee48960f58d68b7a5a7

libhwcomposer/hwc_vsync.cpp

diff --git a/libhwcomposer/hwc_vsync.cpp b/libhwcomposer/hwc_vsync.cpp
index e4da4f7..7189a01 100644
--- a/libhwcomposer/hwc_vsync.cpp
+++ b/libhwcomposer/hwc_vsync.cpp
@@ -29,6 +29,7 @@
 #include "hwc_utils.h"
 #include "string.h"
 #include "external.h"
+#include "overlay.h"
 
 namespace qhwc {
 
@@ -63,7 +64,7 @@
 
     struct pollfd pfd[2];
     int fb_fd[2];
-    uint64_t timestamp[2];
+    uint64_t timestamp[2] = {0,0};
     int num_displays;
 
     char property[PROPERTY_VALUE_MAX];
@@ -77,7 +78,7 @@
             logvsync = true;
     }
 
-    if (ctx->mExtDisplay->getHDMIIndex() > 0)
+    if (ctx->mExtDisplay->isConnected())
         num_displays = 2;
     else
         num_displays = 1;
@@ -87,7 +88,8 @@
         snprintf(vsync_node_path, sizeof(vsync_node_path),
                 "/sys/class/graphics/fb%d/vsync_event",
                 dpy == HWC_DISPLAY_PRIMARY ? 0 :
-                ctx->mExtDisplay->getHDMIIndex());
+                overlay::Overlay::getInstance()->
+                                getFbForDpy(HWC_DISPLAY_EXTERNAL));
         ALOGI("%s: Reading vsync for dpy=%d from %s", __FUNCTION__, dpy,
                 vsync_node_path);
         fb_fd[dpy] = open(vsync_node_path, O_RDONLY);