Re: [PATCH v8 1/2] drm/msm/dp: force link training for display resolution change
From: Stephen Boyd
Date: Thu Jun 16 2022 - 16:08:53 EST
Quoting Kuogee Hsieh (2022-06-16 10:09:20)
> diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.h b/drivers/gpu/drm/msm/dp/dp_ctrl.h
> index 0745fde..9a39b00 100644
> --- a/drivers/gpu/drm/msm/dp/dp_ctrl.h
> +++ b/drivers/gpu/drm/msm/dp/dp_ctrl.h
> @@ -21,7 +21,8 @@ struct dp_ctrl {
> };
>
> int dp_ctrl_on_link(struct dp_ctrl *dp_ctrl);
> -int dp_ctrl_on_stream(struct dp_ctrl *dp_ctrl);
> +int dp_ctrl_on_stream(struct dp_ctrl *dp_ctrl, bool force_link_train);
> +int dp_ctrl_on_stream_phy_test_report(struct dp_ctrl *dp_ctrl);
Instead of declaring it here how about forward declaring it in the C
file and making it static?
> int dp_ctrl_off_link_stream(struct dp_ctrl *dp_ctrl);
> int dp_ctrl_off_link(struct dp_ctrl *dp_ctrl);
> int dp_ctrl_off(struct dp_ctrl *dp_ctrl);