1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/gpu/drm/ast/ast_drv.h b/drivers/gpu/drm/ast/ast_drv.h
index 528429252f0f..02e52d543e4b 100644
--- a/drivers/gpu/drm/ast/ast_drv.h
+++ b/drivers/gpu/drm/ast/ast_drv.h
@@ -241,6 +241,8 @@ struct ast_fbdev {
         void *sysram;
         int size;
         struct ttm_bo_kmap_obj mapping;
+        int x1, y1, x2, y2; /* dirty rect */
+        spinlock_t dirty_lock;
 };
 
 #define to_ast_crtc(x) container_of(x, struct ast_crtc, base)