diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 1f79906..b1fe738 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -231,9 +231,11 @@
     void signalLayerUpdate();
     void signalRefresh();
 
-    // called on the main thread in response to screenReleased()
+    // called on the main thread in response to initializeDisplays()
+    void onInitializeDisplays();
+    // called on the main thread in response to blank()
     void onScreenReleased();
-    // called on the main thread in response to screenAcquired()
+    // called on the main thread in response to unblank()
     void onScreenAcquired();
 
     void handleMessageTransaction();
@@ -321,6 +323,9 @@
     /* ------------------------------------------------------------------------
      * Display and layer stack management
      */
+    // called when starting, or restarting after system_server death
+    void initializeDisplays();
+
     sp<const DisplayDevice> getDisplayDevice(DisplayID dpy) const {
         return mDisplays.valueFor(dpy);
     }