linux-kernel - Re: [PATCH v2] Revert "drm/fb-helper: improve DRM fbdev emulation device names"

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Date:   Thu, 9 Dec 2021 13:27:59 +0100
From:   Javier Martinez Canillas <javierm@...hat.com>
To:     Johannes Stezenbach <js@...21.net>
Cc:     linux-kernel@...r.kernel.org, Daniel Vetter <daniel@...ll.ch>,
        Ville Syrjälä <ville.syrjala@...ux.intel.com>,
        David Airlie <airlied@...ux.ie>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH v2] Revert "drm/fb-helper: improve DRM fbdev emulation
 device names"

Hello Johannes,

Sorry for the late response. I was on holidays for a week and just came back.

On 12/4/21 13:41, Johannes Stezenbach wrote:
> Hi,
> 
> On Wed, Oct 20, 2021 at 06:57:40PM +0200, Javier Martinez Canillas wrote:
>> This reverts commit b3484d2b03e4c940a9598aa841a52d69729c582a.
>>
>> That change attempted to improve the DRM drivers fbdev emulation device
>> names to avoid having confusing names like "simpledrmdrmfb" in /proc/fb.
>>
>> But unfortunately, there are user-space programs such as pm-utils that
>> match against the fbdev names and so broke after the mentioned commit.
>>
>> Since the names in /proc/fb are used by tools that consider it an uAPI,
>> let's restore the old names even when this lead to silly names like the
>> one mentioned above.
> 
> I would like to ask about the fate of this patch. It doesn't
> seem to have been picked up by anyone, does it?
>

Thanks for the reminder. I've just pushed this to the drm-misc-fixes branch.
 
> 
> Thanks,
> Johannes
> 
Best regards,
-- 
Javier Martinez Canillas
Linux Engineering
Red Hat