diff --git a/services/surfaceflinger/BufferStateLayer.cpp b/services/surfaceflinger/BufferStateLayer.cpp
index 1e471e5..63f3242 100644
--- a/services/surfaceflinger/BufferStateLayer.cpp
+++ b/services/surfaceflinger/BufferStateLayer.cpp
@@ -344,6 +344,11 @@
     return willPresent;
 }
 
+void BufferStateLayer::forceSendCallbacks() {
+    mFlinger->getTransactionCompletedThread().finalizePendingCallbackHandles(
+            mCurrentState.callbackHandles);
+}
+
 bool BufferStateLayer::setTransparentRegionHint(const Region& transparent) {
     mCurrentState.transparentRegionHint = transparent;
     mCurrentState.modified = true;