diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index e6ccc41..85b6f2a 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -105,7 +105,6 @@
 {
 public:
 
-
     // This is the phase offset in nanoseconds of the software vsync event
     // relative to the vsync event reported by HWComposer.  The software vsync
     // event is when SurfaceFlinger and Choreographer-based applications run each
@@ -142,6 +141,10 @@
     // GL composition.
     static bool useHwcForRgbToYuv;
 
+    // Maximum dimension supported by HWC for virtual display.
+    // Equal to min(max_height, max_width).
+    static uint64_t maxVirtualDisplaySize;
+
     static char const* getServiceName() ANDROID_API {
         return "SurfaceFlinger";
     }