diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 801e8dd..a49e8f4 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -1024,8 +1024,13 @@
 
 // ----------------------------------------------------------------------------
 
-sp<IDisplayEventConnection> SurfaceFlinger::createDisplayEventConnection() {
-    return mEventThread->createEventConnection();
+sp<IDisplayEventConnection> SurfaceFlinger::createDisplayEventConnection(
+        ISurfaceComposer::VsyncSource vsyncSource) {
+    if (vsyncSource == eVsyncSourceSurfaceFlinger) {
+        return mSFEventThread->createEventConnection();
+    } else {
+        return mEventThread->createEventConnection();
+    }
 }
 
 // ----------------------------------------------------------------------------