Re: [PATCH v1 v1 3/7] riscv: dts: starfive: jh7110: add dc controller and hdmi node

[Maxime Ripard]

On Tue, Aug 01, 2023 at 06:10:26PM +0800, Keith Zhao wrote:
> Add the dc controller and hdmi node for the Starfive JH7110 SoC.
> 
> Signed-off-by: Keith Zhao <keith.zhao@xxxxxxxxxxxxxxxx>
> ---
>  .../jh7110-starfive-visionfive-2.dtsi         | 87 +++++++++++++++++++
>  arch/riscv/boot/dts/starfive/jh7110.dtsi      | 43 +++++++++
>  2 files changed, 130 insertions(+)
> 
> diff --git a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
> index de0f40a8b..32e5cc96c 100644
> --- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
> +++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
> @@ -31,6 +31,21 @@ memory@40000000 {
>  		reg = <0x0 0x40000000 0x1 0x0>;
>  	};
>  
> +	reserved-memory {
> +		#address-cells = <2>;
> +		#size-cells = <2>;
> +		ranges;
> +
> +		linux,cma {
> +			compatible = "shared-dma-pool";
> +			reusable;
> +			size = <0x0 0x20000000>;
> +			alignment = <0x0 0x1000>;
> +			alloc-ranges = <0x0 0x80000000 0x0 0x20000000>;
> +			linux,cma-default;
> +		};
> +	};
> +

You should explain why you need this, either in a comment or in the
commit log.
>

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