diff --git a/drivers/gpu/drm/rockchip/cdn-dp-reg.c b/drivers/gpu/drm/rockchip/cdn-dp-reg.c
index 0dc3804051a9..9b82b27770e5 100644
--- a/drivers/gpu/drm/rockchip/cdn-dp-reg.c
+++ b/drivers/gpu/drm/rockchip/cdn-dp-reg.c
@@ -685,6 +685,8 @@ int cdn_dp_config_video(struct cdn_dp_device *dp)
 	val = div_u64(8 * (symbol + 1), bit_per_pix) - val;
 	val += 2;
 	ret = cdn_dp_reg_write(dp, DP_VC_TABLE(15), val);
+	if (ret)
+		goto err_config_video;
 
 	switch (video->color_depth) {
 	case 6: