linux-kernel - Re: [PATCH 02/39] media: uapi: Add MEDIA_BUS_FMT_RGB666

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: <20230623145637.GF2112@pendragon.ideasonboard.com>
Date:   Fri, 23 Jun 2023 17:56:37 +0300
From:   Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:     Geert Uytterhoeven <geert+renesas@...der.be>
Cc:     Kieran Bingham <kieran.bingham+renesas@...asonboard.com>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Magnus Damm <magnus.damm@...il.com>,
        dri-devel@...ts.freedesktop.org, linux-renesas-soc@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-media@...r.kernel.org
Subject: Re: [PATCH 02/39] media: uapi: Add MEDIA_BUS_FMT_RGB666_2X9 variants

Hi Geert,

Thank you for the patch.

On Thu, Jun 22, 2023 at 11:21:14AM +0200, Geert Uytterhoeven wrote:
> Add the RGB666 9:9 formats MEDIA_BUS_FMT_RGB666_2X9_BE and
> MEDIA_BUS_FMT_RGB666_2X9_LE.  The former is supported by the SH-Mobile
> LCD Controller.

If MEDIA_BUS_FMT_RGB666_2X9_LE isn't supported, I'd leave it out for
now. It can be added later once a driver needs it.

Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>

> Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
> Cc: Mauro Carvalho Chehab <mchehab@...nel.org>
> Cc: linux-media@...r.kernel.org
> ---
>  .../media/v4l/subdev-formats.rst              | 144 ++++++++++++++++++
>  include/uapi/linux/media-bus-format.h         |   4 +-
>  2 files changed, 147 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/userspace-api/media/v4l/subdev-formats.rst b/Documentation/userspace-api/media/v4l/subdev-formats.rst
> index a3a35eeed70846ba..4bbcdec101384cb1 100644
> --- a/Documentation/userspace-api/media/v4l/subdev-formats.rst
> +++ b/Documentation/userspace-api/media/v4l/subdev-formats.rst
> @@ -949,6 +949,150 @@ The following tables list existing packed RGB formats.
>        - b\ :sub:`2`
>        - b\ :sub:`1`
>        - b\ :sub:`0`
> +    * .. _MEDIA-BUS-FMT-RGB666-2X9-BE:
> +
> +      - MEDIA_BUS_FMT_RGB666_2X9_BE
> +      - 0x1025
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      - r\ :sub:`5`
> +      - r\ :sub:`4`
> +      - r\ :sub:`3`
> +      - r\ :sub:`2`
> +      - r\ :sub:`1`
> +      - r\ :sub:`0`
> +      - g\ :sub:`5`
> +      - g\ :sub:`4`
> +      - g\ :sub:`3`
> +    * -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      - g\ :sub:`2`
> +      - g\ :sub:`1`
> +      - g\ :sub:`0`
> +      - b\ :sub:`5`
> +      - b\ :sub:`4`
> +      - b\ :sub:`3`
> +      - b\ :sub:`2`
> +      - b\ :sub:`1`
> +      - b\ :sub:`0`
> +    * .. _MEDIA-BUS-FMT-RGB666-2X9-LE:
> +
> +      - MEDIA_BUS_FMT_RGB666_2X9_LE
> +      - 0x1026
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      - g\ :sub:`2`
> +      - g\ :sub:`1`
> +      - g\ :sub:`0`
> +      - b\ :sub:`5`
> +      - b\ :sub:`4`
> +      - b\ :sub:`3`
> +      - b\ :sub:`2`
> +      - b\ :sub:`1`
> +      - b\ :sub:`0`
> +    * -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      -
> +      - r\ :sub:`5`
> +      - r\ :sub:`4`
> +      - r\ :sub:`3`
> +      - r\ :sub:`2`
> +      - r\ :sub:`1`
> +      - r\ :sub:`0`
> +      - g\ :sub:`5`
> +      - g\ :sub:`4`
> +      - g\ :sub:`3`
>      * .. _MEDIA-BUS-FMT-BGR666-1X18:
>  
>        - MEDIA_BUS_FMT_BGR666_1X18
> diff --git a/include/uapi/linux/media-bus-format.h b/include/uapi/linux/media-bus-format.h
> index a03c543cb072de30..07105f530400511e 100644
> --- a/include/uapi/linux/media-bus-format.h
> +++ b/include/uapi/linux/media-bus-format.h
> @@ -34,7 +34,7 @@
>  
>  #define MEDIA_BUS_FMT_FIXED			0x0001
>  
> -/* RGB - next is	0x1025 */
> +/* RGB - next is	0x1027 */
>  #define MEDIA_BUS_FMT_RGB444_1X12		0x1016
>  #define MEDIA_BUS_FMT_RGB444_2X8_PADHI_BE	0x1001
>  #define MEDIA_BUS_FMT_RGB444_2X8_PADHI_LE	0x1002
> @@ -46,6 +46,8 @@
>  #define MEDIA_BUS_FMT_RGB565_2X8_BE		0x1007
>  #define MEDIA_BUS_FMT_RGB565_2X8_LE		0x1008
>  #define MEDIA_BUS_FMT_RGB666_1X18		0x1009
> +#define MEDIA_BUS_FMT_RGB666_2X9_BE		0x1025
> +#define MEDIA_BUS_FMT_RGB666_2X9_LE		0x1026
>  #define MEDIA_BUS_FMT_BGR666_1X18		0x1023
>  #define MEDIA_BUS_FMT_RBG888_1X24		0x100e
>  #define MEDIA_BUS_FMT_RGB666_1X24_CPADHI	0x1015

-- 
Regards,

Laurent Pinchart