diff --git a/services/surfaceflinger/DisplayDevice.cpp b/services/surfaceflinger/DisplayDevice.cpp
index 0f18235..d1e2ca0 100644
--- a/services/surfaceflinger/DisplayDevice.cpp
+++ b/services/surfaceflinger/DisplayDevice.cpp
@@ -219,6 +219,10 @@
     mCompositionDisplay->setLayerStackFilter(stack, isPrimary());
 }
 
+void DisplayDevice::setFlags(uint32_t flags) {
+    mFlags = flags;
+}
+
 void DisplayDevice::setDisplaySize(int width, int height) {
     LOG_FATAL_IF(!isVirtual(), "Changing the display size is supported only for virtual displays.");
     mCompositionDisplay->setDisplaySize(ui::Size(width, height));