diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_rga.h b/drivers/gpu/drm/rockchip/rockchip_drm_rga.h
index 2dbd10d1f85d..49426eb0034c 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_rga.h
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_rga.h
@@ -8,7 +8,7 @@
 /* cmdlist data structure */
 struct rga_cmdlist {
 	u32		head;
-	u32		data[RGA_CMDLIST_SIZE * 2];
+	u32		data[(RGA_CMDLIST_SIZE + RGA_CMDBUF_SIZE) * 2];
 	u32		last;	/* last data offset */
 	void		*src_mmu_pages;
 	void		*dst_mmu_pages;