diff options
| -rw-r--r-- | drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c index 566f1e5eb8cd..ddb15d6de05f 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c @@ -1248,6 +1248,7 @@ static int analogix_dp_dt_parse_pdata(struct analogix_dp_device *dp) { struct device_node *dp_node = dp->dev->of_node; struct video_info *video_info = &dp->video_info; + u32 val; switch (dp->plat_data->dev_type) { case RK3288_DP: @@ -1269,10 +1270,14 @@ static int analogix_dp_dt_parse_pdata(struct analogix_dp_device *dp) * NOTE: those property parseing code is used for * providing backward compatibility for samsung platform. */ - of_property_read_u32(dp_node, "samsung,link-rate", - &video_info->max_link_rate); - of_property_read_u32(dp_node, "samsung,lane-count", - &video_info->max_lane_count); + if (of_property_read_u32(dp_node, "samsung,link-rate", &val)) + 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)) + return dev_err_probe(dp->dev, -EINVAL, + "Failed to get samsung,lane-count\n"); + video_info->max_lane_count = val; break; } |