[PATCH 1/2] drm: distinguish return value of drm_dp_check_and_send_link_address.

Simon Ser contact at emersion.fr
Tue Jan 12 09:21:45 UTC 2021


On Tuesday, January 12th, 2021 at 7:36 AM, Chen, Xiaogang <Xiaogang.Chen at amd.com> wrote:

> Any comment?
>
> -----Original Message-----
> From: Xiaogang.Chen <xiaogang.chen at amd.com>
> Sent: Monday, January 4, 2021 12:02 AM
> To: amd-gfx at lists.freedesktop.org; Wentland, Harry <Harry.Wentland at amd.com>; dri-devel at lists.freedesktop.org; airlied at linux.ie
> Cc: Chen, Xiaogang <Xiaogang.Chen at amd.com>
> Subject: [PATCH 1/2] drm: distinguish return value of drm_dp_check_and_send_link_address.
>
> From: Xiaogang Chen <xiaogang.chen at amd.com>
>
> drm_dp_check_and_send_link_address discovers MST device topology.
> It can return both positive and negative values. When it returns positive values there is no error found. If it returns negative values there is error found, such as get NAK , timeout, etc. Following drm_kms_helper_hotplug_event should be called when drm_dp_check_and_send_link_address returns positive value.
>
> Signed-off-by: Xiaogang Chen <xiaogang.chen at amd.com>

To the best of my knowledge, this sounds correct.

Please wrap your commit message into 80-character lines so that it's easier
to read. Regardless, this is:

Acked-by: Simon Ser <contact at emersion.fr>


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