linux-kernel - Re: [PATCH v9 05/13] media: cadence: csi2rx: Add get_fmt and set

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Date:   Tue, 15 Aug 2023 15:05:39 +0300
From:   Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
To:     Jai Luthra <j-luthra@...com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>
Cc:     linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        Maxime Ripard <mripard@...nel.org>,
        niklas.soderlund+renesas@...natech.se,
        Benoit Parrot <bparrot@...com>,
        Vaishnav Achath <vaishnav.a@...com>,
        Vignesh Raghavendra <vigneshr@...com>, nm@...com,
        devarsht@...com, a-bhatia1@...com,
        Martyn Welch <martyn.welch@...labora.com>,
        Julien Massot <julien.massot@...labora.com>
Subject: Re: [PATCH v9 05/13] media: cadence: csi2rx: Add get_fmt and set_fmt
 pad ops

On 11/08/2023 13:47, Jai Luthra wrote:
> From: Pratyush Yadav <p.yadav@...com>
> 
> The format is needed to calculate the link speed for the external DPHY
> configuration. It is not right to query the format from the source
> subdev. Add get_fmt and set_fmt pad operations so that the format can be
> configured and correct bpp be selected.
> 
> Initialize and use the v4l2 subdev active state to keep track of the
> active formats. Also propagate the new format from the sink pad to all
> the source pads.
> 
> Signed-off-by: Pratyush Yadav <p.yadav@...com>
> Co-authored-by: Jai Luthra <j-luthra@...com>
> Reviewed-by: Maxime Ripard <mripard@...nel.org>
> Signed-off-by: Jai Luthra <j-luthra@...com>
> ---
> Changes from v8:
>      - Squash the patch adding RAW8 and RAW10 formats within this one
>      - Single line struct entries in formats[] array
>      - Skip specifiying redundant format.which entry in init_cfg()
> 

Reviewed-by: Tomi Valkeinen <tomi.valkeinen@...asonboard.com>

  Tomi