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

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Date:   Fri, 21 May 2021 20:53:56 +0200
From:   Thomas Zimmermann <tzimmermann@...e.de>
To:     Javier Martinez Canillas <javierm@...hat.com>,
        linux-kernel@...r.kernel.org,
        Peter Robinson <pbrobinson@...il.com>,
        David Airlie <airlied@...ux.ie>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH] drm/fb-helper: improve DRM fbdev emulation device names

Hi

Am 21.05.21 um 19:18 schrieb Javier Martinez Canillas:
> On 5/21/21 6:53 PM, Thomas Zimmermann wrote:
> 
> [snip]
> 
>>>
>>> So what with all the drivers which do _not_ have drm in their name? Also
>>> I'm never sure how much these are uapi or not ...
>>
> 
> That someone could threat as an uapi is a fair point indeed.
>   
>> Why do we need a suffix anyway?
>>
> 
> Yes, I thought the same and was torn about posting a patch to just remove
> the suffix. I don't think users care that much if is a fb device from a
> fbdev driver or a DRM driver using the fbdev emulation.

Yup. I don't see how anything in userspace would depend on the exact 
name; especially since fbdev emulation only provides basic features. 
(I'd welcome a counter examples that proves me wrong.)

IMHO we can risk it to remove the suffix entirely. But that needs an ack 
from Daniel or Dave.

Best regards
Thomas

> 
>>> -Daniel
>>>
> 
> Best regards,
> 

-- 
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer



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