diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index bfe0c9c..0b4be4a 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -132,6 +132,10 @@
     // Instruct the Render Engine to use EGL_IMG_context_priority is available.
     static bool useContextPriority;
 
+    // The offset in nanoseconds to use when DispSync timestamps present fence
+    // signaling time.
+    static int64_t dispSyncPresentTimeOffset;
+
     static char const* getServiceName() ANDROID_API {
         return "SurfaceFlinger";
     }