linux-kernel - Re: [PATCH v5 11/14] media: platform: mtk-mdp3: add mt8195 platform configuration

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Date:   Tue, 12 Sep 2023 10:21:57 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Moudy Ho <moudy.ho@...iatek.com>,
        Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Hans Verkuil <hverkuil-cisco@...all.nl>
Cc:     AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        dri-devel@...ts.freedesktop.org,
        linux-mediatek@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v5 11/14] media: platform: mtk-mdp3: add mt8195 platform
 configuration

On 12/09/2023 09:58, Moudy Ho wrote:
> Add MT8195 MDP3 basic configuration in file "mdp_cfg_data.c"
> and corresponding driver data.
> 
> Signed-off-by: Moudy Ho <moudy.ho@...iatek.com>

...

>  	{}
>  };
> diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c
> index 06b7d2b0b814..8b69bd8b91c6 100644
> --- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c
> +++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c
> @@ -21,6 +21,9 @@ static const struct of_device_id mdp_of_ids[] = {
>  	{ .compatible = "mediatek,mt8183-mdp3-rdma",
>  	  .data = &mt8183_mdp_driver_data,
>  	},
> +	{ .compatible = "mediatek,mt8195-mdp3-rdma",

You keep adding undocumented compatibles. Your way of organizing patches
does not have any sense. DTS should not be mixed with media subsystem -
they *CANNOT* go via one subsystem. In the same time bindings are always
going via subsystem, so why are they missing here?

This does not make any sense and such mess at v5 is confusing.

Best regards,
Krzysztof