commit c45a7d9dfdefa07512c5acc07bcbee5362b34e3d
author Fabien Sanglard <sanglardf@google.com> Tue Mar 14 13:24:22 2017 -0700
committer Fabien Sanglard <sanglardf@google.com> Wed Mar 15 16:29:06 2017 -0700
tree 9df3b7be1fad7b748c33ef2a66f07b8d4cb72618
parent b7074a6b6c5dce6c5d29b79f546f4f7f31604d72

[SF] Use presentTimeOffset from configStore

Change-Id: If9c872c565e68e8abe552ee11d2c7d48f44aec4b

services/surfaceflinger/DispSync.cpp

diff --git a/services/surfaceflinger/DispSync.cpp b/services/surfaceflinger/DispSync.cpp
index 86cf17d..d7654f1 100644
--- a/services/surfaceflinger/DispSync.cpp
+++ b/services/surfaceflinger/DispSync.cpp
@@ -33,6 +33,7 @@
 #include <ui/Fence.h>
 
 #include "DispSync.h"
+#include "SurfaceFlinger.h"
 #include "EventLog/EventLog.h"
 
 using std::max;
@@ -54,10 +55,6 @@
 // present time and the nearest software-predicted vsync.
 static const nsecs_t kErrorThreshold = 160000000000;    // 400 usec squared
 
-// This is the offset from the present fence timestamps to the corresponding
-// vsync event.
-static const int64_t kPresentTimeOffset = PRESENT_TIME_OFFSET_FROM_VSYNC_NS;
-
 #undef LOG_TAG
 #define LOG_TAG "DispSyncThread"
 class DispSyncThread: public Thread {
@@ -381,6 +378,7 @@
         mRefreshSkipCount(0),
         mThread(new DispSyncThread(name)) {
 
+    mPresentTimeOffset = SurfaceFlinger::dispSyncPresentTimeOffset;
     mThread->run("DispSync", PRIORITY_URGENT_DISPLAY + PRIORITY_MORE_FAVORABLE);
     // set DispSync to SCHED_FIFO to minimize jitter
     struct sched_param param = {0};
@@ -433,7 +431,7 @@
             nsecs_t t = f->getSignalTime();
             if (t < INT64_MAX) {
                 mPresentFences[i].clear();
-                mPresentTimes[i] = t + kPresentTimeOffset;
+                mPresentTimes[i] = t + mPresentTimeOffset;
             }
         }
     }