linux-kernel - Re: [PATCH v11 3/6] media: platform: synopsys: Add support for HDMI input driver

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: <6b261f80-6713-430d-93ee-9dac77f47580@xs4all.nl>
Date: Wed, 26 Feb 2025 11:16:30 +0100
From: Hans Verkuil <hverkuil@...all.nl>
To: Dmitry Osipenko <dmitry.osipenko@...labora.com>,
 Shreeya Patel <shreeya.patel@...labora.com>, Heiko Stuebner
 <heiko@...ech.de>, Mauro Carvalho Chehab <mchehab@...nel.org>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, jose.abreu@...opsys.com,
 nelson.costa@...opsys.com, shawn.wen@...k-chips.com,
 nicolas.dufresne@...labora.com,
 Sebastian Reichel <sebastian.reichel@...labora.com>
Cc: kernel@...labora.com, linux-media@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-rockchip@...ts.infradead.org, Tim Surber <me@...surber.de>,
 Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: Re: [PATCH v11 3/6] media: platform: synopsys: Add support for HDMI
 input driver

On 26/02/2025 10:49, Dmitry Osipenko wrote:
> From: Shreeya Patel <shreeya.patel@...labora.com>
> 
> Add initial support for the Synopsys DesignWare HDMI RX
> Controller Driver used by Rockchip RK3588. The driver
> supports:
>  - HDMI 1.4b and 2.0 modes (HDMI 4k@...z)
>  - RGB888, YUV422, YUV444 and YCC420 pixel formats
>  - CEC
>  - EDID configuration
> 
> The hardware also has Audio and HDCP capabilities, but these are
> not yet supported by the driver.
> 
> Co-developed-by: Dingxian Wen <shawn.wen@...k-chips.com>
> Signed-off-by: Dingxian Wen <shawn.wen@...k-chips.com>
> Signed-off-by: Shreeya Patel <shreeya.patel@...labora.com>
> Signed-off-by: Dmitry Osipenko <dmitry.osipenko@...labora.com>
> ---
>  drivers/media/platform/Kconfig                |    1 +
>  drivers/media/platform/Makefile               |    1 +
>  drivers/media/platform/synopsys/Kconfig       |    3 +
>  drivers/media/platform/synopsys/Makefile      |    2 +
>  .../media/platform/synopsys/hdmirx/Kconfig    |   27 +
>  .../media/platform/synopsys/hdmirx/Makefile   |    4 +
>  .../platform/synopsys/hdmirx/snps_hdmirx.c    | 2752 +++++++++++++++++
>  .../platform/synopsys/hdmirx/snps_hdmirx.h    |  394 +++
>  .../synopsys/hdmirx/snps_hdmirx_cec.c         |  284 ++
>  .../synopsys/hdmirx/snps_hdmirx_cec.h         |   44 +
>  10 files changed, 3512 insertions(+)
>  create mode 100644 drivers/media/platform/synopsys/Kconfig
>  create mode 100644 drivers/media/platform/synopsys/Makefile
>  create mode 100644 drivers/media/platform/synopsys/hdmirx/Kconfig
>  create mode 100644 drivers/media/platform/synopsys/hdmirx/Makefile
>  create mode 100644 drivers/media/platform/synopsys/hdmirx/snps_hdmirx.c
>  create mode 100644 drivers/media/platform/synopsys/hdmirx/snps_hdmirx.h
>  create mode 100644 drivers/media/platform/synopsys/hdmirx/snps_hdmirx_cec.c
>  create mode 100644 drivers/media/platform/synopsys/hdmirx/snps_hdmirx_cec.h
> 

<snip>

> +/* vb2 queue */
> +static const struct vb2_ops hdmirx_vb2_ops = {
> +	.queue_setup = hdmirx_queue_setup,
> +	.buf_queue = hdmirx_buf_queue,
> +	.wait_prepare = vb2_ops_wait_prepare,
> +	.wait_finish = vb2_ops_wait_finish,

These two ops are no longer needed. New drivers must not use them. I'm
working on removing these ops, but it's not quite there yet.

I will remove these two lines manually for this v11, but if a v12 is needed,
then make sure you drop these two lines.

Regards,

	Hans

> +	.stop_streaming = hdmirx_stop_streaming,
> +	.start_streaming = hdmirx_start_streaming,
> +};