linux-kernel - Re: [PATCH v3 18/33] drm/vkms: Introduce configfs for plane format

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Message-ID: <8bed1d97-be75-4918-b033-698d3a49e61b@bootlin.com>
Date: Mon, 29 Dec 2025 16:33:47 +0100
From: Louis Chauvet <louis.chauvet@...tlin.com>
To: Bagas Sanjaya <bagasdotme@...il.com>,
 Haneen Mohammed <hamohammed.sa@...il.com>, Simona Vetter <simona@...ll.ch>,
 Melissa Wen <melissa.srw@...il.com>,
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
 David Airlie <airlied@...il.com>, jose.exposito89@...il.com,
 Jonathan Corbet <corbet@....net>
Cc: victoria@...tem76.com, sebastian.wick@...hat.com,
 thomas.petazzoni@...tlin.com, dri-devel@...ts.freedesktop.org,
 linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org
Subject: Re: [PATCH v3 18/33] drm/vkms: Introduce configfs for plane format



On 12/25/25 01:59, Bagas Sanjaya wrote:
> On Mon, Dec 22, 2025 at 11:11:20AM +0100, Louis Chauvet wrote:
>> +What:		/sys/kernel/config/vkms/<device>/planes/<plane>/supported_formats
>> +Date:		Nov 2025
>> +Contact:	dri-devel@...ts.freedesktop.org
>> +Description:
>> +        List of supported formats for this plane. To add a new
>> +        item, write its fourcc code prefixed with '+'. To remove,
>> +        use '-' prefix. Use '+*' to add all formats, '-*' to
>> +        remove all.
>> +
> 
> Sphinx reports htmldocs warning:
> 
> Documentation/ABI/testing/configfs-vkms:199: WARNING: Inline emphasis start-string without end-string. [docutils]
> 
> I have to escape the wildcard:
> 
> ---- >8 ----
> diff --git a/Documentation/ABI/testing/configfs-vkms b/Documentation/ABI/testing/configfs-vkms
> index a7fce35fcf91d1..3839b6e3c9c935 100644
> --- a/Documentation/ABI/testing/configfs-vkms
> +++ b/Documentation/ABI/testing/configfs-vkms
> @@ -202,7 +202,7 @@ Contact:	dri-devel@...ts.freedesktop.org
>   Description:
>           List of supported formats for this plane. To add a new
>           item, write its fourcc code prefixed with '+'. To remove,
> -        use '-' prefix. Use '+*' to add all formats, '-*' to
> +        use '-' prefix. Use '+*' to add all formats, '-\*' to

Hi, thanks for the fix!

I only have to escape the second wildcard? Not the `+*`?

>           remove all.
>   
>   What:		/sys/kernel/config/vkms/<device>/planes/<plane>/zpos_enabled
> 
> Thanks.
>