diff --git a/modules/hwcomposer/hwcomposer.cpp b/modules/hwcomposer/hwcomposer.cpp
index 0e49e4c..f0a5512 100644
--- a/modules/hwcomposer/hwcomposer.cpp
+++ b/modules/hwcomposer/hwcomposer.cpp
@@ -67,26 +67,26 @@
             l->displayFrame.bottom);
 }
 
-static int hwc_prepare(hwc_composer_device_1_t *dev, hwc_layer_list_1_t* list) {
-    if (list && (list->flags & HWC_GEOMETRY_CHANGED)) {
-        for (size_t i=0 ; i<list->numHwLayers ; i++) {
+static int hwc_prepare(hwc_composer_device_1_t *dev,
+        size_t numDisplays, hwc_display_contents_1_t** displays) {
+    if (displays && (displays[0]->flags & HWC_GEOMETRY_CHANGED)) {
+        for (size_t i=0 ; i<displays[0]->numHwLayers ; i++) {
             //dump_layer(&list->hwLayers[i]);
-            list->hwLayers[i].compositionType = HWC_FRAMEBUFFER;
+            displays[0]->hwLayers[i].compositionType = HWC_FRAMEBUFFER;
         }
     }
     return 0;
 }
 
 static int hwc_set(hwc_composer_device_1_t *dev,
-        hwc_display_t dpy,
-        hwc_surface_t sur,
-        hwc_layer_list_1_t* list)
+        size_t numDisplays, hwc_display_contents_1_t** displays)
 {
     //for (size_t i=0 ; i<list->numHwLayers ; i++) {
     //    dump_layer(&list->hwLayers[i]);
     //}
 
-    EGLBoolean sucess = eglSwapBuffers((EGLDisplay)dpy, (EGLSurface)sur);
+    EGLBoolean sucess = eglSwapBuffers((EGLDisplay)displays[0]->dpy,
+            (EGLSurface)displays[0]->sur);
     if (!sucess) {
         return HWC_EGL_ERROR;
     }