diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
index ddb15d6de05f..a74c855936b2 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
@@ -1274,7 +1274,8 @@ static int analogix_dp_dt_parse_pdata(struct analogix_dp_device *dp)
 			return dev_err_probe(dp->dev, -EINVAL,
 					     "Failed to get samsung,link-rate\n");
 		video_info->max_link_rate = val;
-		if (of_property_read_u32(dp_node, "samsung,lane-count", &val))
+		if (of_property_read_u32(dp_node, "samsung,lane-count", &val) ||
+		    !drm_dp_lane_count_is_valid(val))
 			return dev_err_probe(dp->dev, -EINVAL,
 					     "Failed to get samsung,lane-count\n");
 		video_info->max_lane_count = val;