Re: [PATCH 1/9] dt-bindings: Add arm,mali-valhall compatible

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On 11/02/2022 20:27, alyssa.rosenzweig@xxxxxxxxxxxxx wrote:
> From: Alyssa Rosenzweig <alyssa.rosenzweig@xxxxxxxxxxxxx>
> 
> From the kernel's perspective, pre-CSF Valhall is more or less
> compatible with Bifrost, although they differ to userspace. Add a
> compatible for Valhall to the existing Bifrost bindings documentation.
> 
> Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@xxxxxxxxxxxxx>
> Cc: devicetree@xxxxxxxxxxxxxxx
> ---
>  Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml b/Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml
> index 63a08f3f321d..48aeabd2ed68 100644
> --- a/Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml
> +++ b/Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml
> @@ -23,6 +23,7 @@ properties:
>            - rockchip,px30-mali
>            - rockchip,rk3568-mali
>        - const: arm,mali-bifrost # Mali Bifrost GPU model/revision is fully discoverable
> +      - const: arm,mali-valhall # Mali Valhall GPU model/revision is fully discoverable

It might be worth spelling out here that this is *pre-CSF* Valhall. I'm
pretty sure we're going to need different bindings for CSF GPUs.

Steve

>  
>    reg:
>      maxItems: 1




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