Re: [PATCH v4 drm-dp 06/11] drm/hisilicon/hibmc: add dp mode valid check

From: Dmitry Baryshkov
Date: Sun Aug 17 2025 - 11:32:36 EST


On Wed, Aug 13, 2025 at 05:42:33PM +0800, Yongbang Shi wrote:
> From: Baihan Li <libaihan@xxxxxxxxxx>
>
> If DP is connected, check the DP BW in mode_valid_ctx() to ensure
> that DP's link rate supports high-resolution data transmission.
>
> Fixes: f9698f802e50 ("drm/hisilicon/hibmc: Restructuring the header dp_reg.h")

Why?

> Signed-off-by: Baihan Li <libaihan@xxxxxxxxxx>
> Signed-off-by: Yongbang Shi <shiyongbang@xxxxxxxxxx>
> ---
> ChangeLog:
> v3 -> v4:
> - Remove the clock check, suggested by Dmitry Baryshkov.
> - ( I'll add them in next series after redesigning this part)
--
With best wishes
Dmitry