linux-kernel - Re: [PATCH] media: vimc: add RGB/YUV input entity implementation

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Message-ID: <CAKPKb8830YHuY=h662wPVPvTz3LcyLio6pRDy9ZGStkqwu_Vdg@mail.gmail.com>
Date: Fri, 7 Nov 2025 10:32:31 +0530
From: opensource india <opensource206@...il.com>
To: Shuah Khan <skhan@...uxfoundation.org>
Cc: kieran.bingham@...asonboard.com, mchehab@...nel.org, 
	linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] media: vimc: add RGB/YUV input entity implementation

On Fri, Nov 7, 2025 at 5:41 AM Shuah Khan <skhan@...uxfoundation.org> wrote:
>
> On 11/5/25 22:03, opensource india wrote:
> > Hi Shuah,
> >
> > On Wed, Nov 5, 2025 at 10:43 PM Shuah Khan <skhan@...uxfoundation.org> wrote:
> >>
> >> On 10/31/25 23:26, Pavan Bobba wrote:
> >>> Introduce a new vimc-input entity to simulate a color frame source in the
> >>> Virtual Media Controller (VIMC) pipeline. This entity outputs RGB888 frames
> >>> and allows testing of pipelines that start from a pre-processed RGB/YUV
> >>> source instead of a raw Bayer sensor.
> >>>
> >>> The patch adds vimc-input.c with basic pad operations for format
> >>> enumeration, get/set, and stream enable/disable handlers. The entity is
> >>> registered in the VIMC core configuration, replacing the previous temporary
> >>> use of vimc-sensor. Frame generation is not yet implemented and remains a
> >>> TODO for future work.
> >>>
> >>> This change enables link validation and format negotiation for the
> >>> RGB/YUV input path, paving the way for software frame injection and
> >>> test-pattern generation.
> >>>
> >>> Signed-off-by: Pavan Bobba <opensource206@...il.com>
> >>
> >> I see 4 patches - are they dependent then gerenrate a sries
> >> with cover letter explaining the changes you are making.
> >>
> >> thanks,
> >> -- Shuah
> >
> > even though all 4 patches are part of vimc driver,
> > these are independent patches
>
> Independent in the sense that they can be applied and tested
> independently?

Yes. all 4 patches can be applied and test independently

>
> thanks,
> -- Shuah
>