Re: [PATCH] drm/panel-edp: Allow querying the detected panel via sysfs

From: Javier Martinez Canillas
Date: Wed Jan 26 2022 - 03:25:35 EST


On 1/26/22 00:25, Doug Anderson wrote:
> On Tue, Jan 25, 2022 at 2:55 PM Javier Martinez Canillas
> <javierm@xxxxxxxxxx> wrote:

[snip]

>> Should this new sysfs entry be documented in Documentation/ABI/ ?
>
> I'm not sure what the policy is here. I actually don't know that I'm
> too worried about this being an ABI. For the purposes of our tests
> then if something about this file changed (path changed or something
> like that) it wouldn't be a huge deal. Presumably the test itself
> would just "fail" in this case and that would clue us in that the ABI
> changed and we could adapt to whatever new way was needed to discover
> this.
>
> That being said, if the policy is that everything in sysfs is supposed
> to be ABI then I can add documentation for this...
>

I also don't know the policy, hence the question. But in any case, I
think that it could even be done as a follow-up if is needed.

Best regards,
--
Javier Martinez Canillas
Linux Engineering
Red Hat