diff --git a/[refs] b/[refs]
index 7036de4485d9..73079e531242 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d0254d56c72532b5d818d83c5e247fc627803f08
+refs/heads/master: 28a4a163b561c39ac0c798d420e0927f29e9d4c8
diff --git a/trunk/drivers/gpu/drm/drm_platform.c b/trunk/drivers/gpu/drm/drm_platform.c
index 7223f06d8e58..2a8b6265ad3d 100644
--- a/trunk/drivers/gpu/drm/drm_platform.c
+++ b/trunk/drivers/gpu/drm/drm_platform.c
@@ -123,14 +123,15 @@ static int drm_platform_set_busid(struct drm_device *dev, struct drm_master *mas
 {
 	int len, ret;
 
-	master->unique_len = 10 + strlen(dev->platformdev->name);
+	master->unique_len = 13 + strlen(dev->platformdev->name);
+	master->unique_size = master->unique_len;
 	master->unique = kmalloc(master->unique_len + 1, GFP_KERNEL);
 
 	if (master->unique == NULL)
 		return -ENOMEM;
 
 	len = snprintf(master->unique, master->unique_len,
-		       "platform:%s", dev->platformdev->name);
+			"platform:%s:%02d", dev->platformdev->name, dev->platformdev->id);
 
 	if (len > master->unique_len) {
 		DRM_ERROR("Unique buffer overflowed\n");