diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
index 1a55b9ed15a8..efa92936d303 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
@@ -341,7 +341,7 @@ static void scl_vop_cal_scl_fac(struct vop *vop, struct vop_win *win,
 	uint16_t vsu_mode;
 	uint16_t lb_mode;
 	uint32_t val;
-	int vskiplines;
+	int vskiplines = 0;
 
 	if (!win->phy->scl)
 		return;