linux-kernel - Re: [PATCH 0/5] media: vimc: add RGB/YUV input entity and improve pipeline support

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Message-ID: <832f4621-53af-465a-a5e9-f7d65a082481@linuxfoundation.org>
Date: Thu, 20 Nov 2025 09:38:10 -0700
From: Shuah Khan <skhan@...uxfoundation.org>
To: kieran.bingham@...asonboard.com, mchehab@...nel.org,
 Hans Verkuil <hverkuil@...all.nl>
Cc: linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
 Pavan Bobba <opensource206@...il.com>
Subject: Re: [PATCH 0/5] media: vimc: add RGB/YUV input entity and improve
 pipeline support

On 11/20/25 01:49, Pavan Bobba wrote:
> This series extends the vimc test driver with a new RGB/YUV input entity,
> pipeline enhancements, and documentation updates.
> 
> Patch 1 adds an RGB/YUV input entity that can be used to simulate pipelines
> starting after a real debayer stage.
> 
> Patch 2 adds V4L2_FIELD_ALTERNATE support to vimc-sensor, allowing it to
> simulate interlaced sources.
> 
> Patch 3 extends the debayer to support multiple RGB output formats.
> 
> Patch 4 allows vimc-capture to accept custom bytesperline values so users can
> exercise padded strides when testing the RGB/YUV path.
> 
> Patch 5 updates the vimc documentation with the RGB/YUV input entity and
> revised media-ctl/v4l2-ctl examples.
> 
> Tested with:
>    - vimc.0 on x86_64 using media-ctl and v4l2-ctl pipelines
> 
> Pavan Bobba (5):
>    media: vimc: add RGB/YUV input entity implementation
>    media: vimc: add support for V4L2_FIELD_ALTERNATE in vimc-sensor
>    media: vimc: debayer: add support for multiple RGB formats
>    media: vimc: capture: support custom bytesperline values
>    docs: media: vimc: document RGB/YUV input entity
> 
>   Documentation/admin-guide/media/vimc.rst      |  39 +++-
>   drivers/media/test-drivers/vimc/Makefile      |   3 +-
>   .../media/test-drivers/vimc/vimc-capture.c    |  15 +-
>   drivers/media/test-drivers/vimc/vimc-common.h |   1 +
>   drivers/media/test-drivers/vimc/vimc-core.c   |   3 +-
>   .../media/test-drivers/vimc/vimc-debayer.c    | 113 ++++++++--
>   drivers/media/test-drivers/vimc/vimc-input.c  | 210 ++++++++++++++++++
>   drivers/media/test-drivers/vimc/vimc-sensor.c |   9 +-
>   8 files changed, 352 insertions(+), 41 deletions(-)
>   create mode 100644 drivers/media/test-drivers/vimc/vimc-input.c
> 

Kieran and Hans, Do you have any feedback on this patch series?

thanks,
-- Shuah