drm/ttm: remove sync_arg from driver functions

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Reviewed-By: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index fc5fad0..4789bee 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -422,10 +422,10 @@
 	 * documentation.
 	 */
 
-	bool (*sync_obj_signaled) (void *sync_obj, void *sync_arg);
-	int (*sync_obj_wait) (void *sync_obj, void *sync_arg,
+	bool (*sync_obj_signaled) (void *sync_obj);
+	int (*sync_obj_wait) (void *sync_obj,
 			      bool lazy, bool interruptible);
-	int (*sync_obj_flush) (void *sync_obj, void *sync_arg);
+	int (*sync_obj_flush) (void *sync_obj);
 	void (*sync_obj_unref) (void **sync_obj);
 	void *(*sync_obj_ref) (void *sync_obj);