linux-kernel - Re: [PATCH v3 06/11] drm/fourcc: Add DRM_FORMAT

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <23e71045-1ae2-4e02-9780-aa11a338d481@ideasonboard.com>
Date: Wed, 19 Feb 2025 16:47:26 +0200
From: Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc: Vishal Sagar <vishal.sagar@....com>,
 Anatoliy Klymenko <anatoliy.klymenko@....com>,
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
 Laurent Pinchart <laurent.pinchart@...asonboard.com>,
 Michal Simek <michal.simek@....com>, dri-devel@...ts.freedesktop.org,
 linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 Geert Uytterhoeven <geert@...ux-m68k.org>
Subject: Re: [PATCH v3 06/11] drm/fourcc: Add DRM_FORMAT_XVUY2101010

Hi,

On 18/02/2025 05:26, Dmitry Baryshkov wrote:
> On Mon, Feb 17, 2025 at 10:27:56PM +0200, Tomi Valkeinen wrote:
>> Hi,
>>
>> On 17/02/2025 22:15, Dmitry Baryshkov wrote:
>>> On Wed, Feb 12, 2025 at 04:56:10PM +0200, Tomi Valkeinen wrote:
>>>> Add XVUY2101010, a 10 bits per component YCbCr format in a 32 bit
>>>> container.
>>>
>>> Is there a more common name for this format? Otherwise googling for it
>>> reveals only your series.
>>
>> In the cover letter I mention the gstreamer names where available (this
>> particular format is not in gstreamer). AMD has these in their zynqmp
>> documentation (https://docs.amd.com/r/en-US/ug1085-zynq-ultrascale-trm/Video-Packer-Format).
>>
>> XVUY2101010 is YUV444_10BPC in AMD docs.
>>
>> X403 is Y444_10LE32 in gstreamer, and YV24_10BPC in AMD docs.
>>
>> I'm not sure you'll have much more luck googling with those names, though
>> =).
> 
> I'm asking, because include/uapi/drm/drm_fourcc.h has a pretty explicit
> waiver: GL, Vulkan or other open standards. Otherwise normal
> requirements apply and it's required to have an open-source usespace
> implementation, etc.

I can drop DRM_FORMAT_XVUY2101010 until we get it to gstreamer. I just 
had it ready, so I thought it's better to include it than leave out.

Is the current gstreamer support enough for the other formats to fulfill 
the userspace requirement?

  Tomi