diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index 3bee3fc..6e13207 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -166,6 +166,7 @@
             uint32_t orientation,
             const Rect& layerStackRect,
             const Rect& displayRect);
+    void setDisplaySize(const sp<IBinder>& token, uint32_t width, uint32_t height);
 
     static void setAnimationTransaction() {
         Composer::getInstance().setAnimationTransactionImpl();
@@ -426,6 +427,14 @@
     mForceSynchronous = true; // TODO: do we actually still need this?
 }
 
+void Composer::setDisplaySize(const sp<IBinder>& token, uint32_t width, uint32_t height) {
+    Mutex::Autolock _l(mLock);
+    DisplayState& s(getDisplayStateLocked(token));
+    s.width = width;
+    s.height = height;
+    s.what |= DisplayState::eDisplaySizeChanged;
+}
+
 // ---------------------------------------------------------------------------
 
 SurfaceComposerClient::SurfaceComposerClient()
@@ -621,6 +630,11 @@
             layerStackRect, displayRect);
 }
 
+void SurfaceComposerClient::setDisplaySize(const sp<IBinder>& token,
+        uint32_t width, uint32_t height) {
+    Composer::getInstance().setDisplaySize(token, width, height);
+}
+
 // ----------------------------------------------------------------------------
 
 status_t SurfaceComposerClient::getDisplayConfigs(