[PATCH v2 1/2] drm: Add GPU reset sysfs event

[Rob Clark]

On Tue, Mar 8, 2022 at 11:40 PM Shashank Sharma
<contactshashanksharma at gmail.com> wrote:
>
> From: Shashank Sharma <shashank.sharma at amd.com>
>
> This patch adds a new sysfs event, which will indicate
> the userland about a GPU reset, and can also provide
> some information like:
> - process ID of the process involved with the GPU reset
> - process name of the involved process
> - the GPU status info (using flags)
>
> This patch also introduces the first flag of the flags
> bitmap, which can be appended as and when required.

Why invent something new, rather than using the already existing devcoredump?

I don't think we need (or should encourage/allow) something drm
specific when there is already an existing solution used by both drm
and non-drm drivers.  Userspace should not have to learn to support
yet another mechanism to do the same thing.

BR,
-R