linux-kernel - Re: [PATCH 13/16] media: dt-bindings: media: rockchip-rga: add rockchip,rk3588-rga3

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Message-ID: <c4b0f1d0-cebd-4381-b2c0-20c177c0732c@kernel.org>
Date: Tue, 7 Oct 2025 17:38:29 +0900
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Sven Püschel <s.pueschel@...gutronix.de>,
 Jacob Chen <jacob-chen@...wrt.com>,
 Ezequiel Garcia <ezequiel@...guardiasur.com.ar>,
 Mauro Carvalho Chehab <mchehab@...nel.org>, Heiko Stuebner
 <heiko@...ech.de>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>
Cc: linux-media@...r.kernel.org, linux-rockchip@...ts.infradead.org,
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
 devicetree@...r.kernel.org, kernel@...gutronix.de
Subject: Re: [PATCH 13/16] media: dt-bindings: media: rockchip-rga: add
 rockchip,rk3588-rga3

On 07/10/2025 17:32, Sven Püschel wrote:
> Add a new compatible for the rk3588 Rockchip SoC, which features an
> RGA3, which is described in the TRM Part2.
> 
> Signed-off-by: Sven Püschel <s.pueschel@...gutronix.de>
> ---
>  Documentation/devicetree/bindings/media/rockchip-rga.yaml | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/Documentation/devicetree/bindings/media/rockchip-rga.yaml b/Documentation/devicetree/bindings/media/rockchip-rga.yaml
> index ac17cda65191be047fc61d0c806f806c6af07c7b..11e86333c56aab55d9358dc88e45e7c1ebfaae9e 100644
> --- a/Documentation/devicetree/bindings/media/rockchip-rga.yaml
> +++ b/Documentation/devicetree/bindings/media/rockchip-rga.yaml
> @@ -20,6 +20,7 @@ properties:
>      oneOf:
>        - const: rockchip,rk3288-rga
>        - const: rockchip,rk3399-rga
> +      - const: rockchip,rk3588-rga3

There is already rk3588-rga, so please explain in commit msg
differences, including compatibility or lack thereof. I am confused why
there are two completely different 2D accelerators simultaneously on
that SoC.

Best regards,
Krzysztof