diff --git a/modules/gralloc/framebuffer.cpp b/modules/gralloc/framebuffer.cpp
index c171711..b2ec3e4 100644
--- a/modules/gralloc/framebuffer.cpp
+++ b/modules/gralloc/framebuffer.cpp
@@ -117,7 +117,7 @@
 
 /*****************************************************************************/
 
-int mapFrameBufferLocked(struct private_module_t* module)
+int mapFrameBufferLocked(struct private_module_t* module, int format)
 {
     // already initialized...
     if (module->framebuffer) {
@@ -161,6 +161,20 @@
      */
     info.yres_virtual = info.yres * NUM_BUFFERS;
 
+    switch (format) {
+    case HAL_PIXEL_FORMAT_RGBA_8888:
+        info.bits_per_pixel = 32;
+        info.red.offset = 0;
+        info.red.length = 8;
+        info.green.offset = 8;
+        info.green.length = 8;
+        info.blue.offset = 16;
+        info.blue.length = 8;
+        break;
+    default:
+        ALOGW("unknown format: %d", format);
+        break;
+    }
 
     uint32_t flags = PAGE_FLIP;
 #if USE_PAN_DISPLAY
@@ -280,7 +294,8 @@
 static int mapFrameBuffer(struct private_module_t* module)
 {
     pthread_mutex_lock(&module->lock);
-    int err = mapFrameBufferLocked(module);
+    // Request RGBA8888 because the platform assumes support for RGBA8888.
+    int err = mapFrameBufferLocked(module, HAL_PIXEL_FORMAT_RGBA_8888);
     pthread_mutex_unlock(&module->lock);
     return err;
 }