Merge "Implement reducing the buffer count of a Surface."
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index c59f2fd..2e785aa 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -786,10 +786,6 @@
 {
     // compute the invalid region
     mInvalidRegion.orSelf(mDirtyRegion);
-    if (mInvalidRegion.isEmpty()) {
-        // nothing to do
-        return;
-    }
 
     if (UNLIKELY(mDebugRegion)) {
         debugFlashRegions();