linux-kernel - Re: [PATCH 5/5] arm64: dts: mediatek: mt8188: Add support for Mali GPU on Panfrost

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Date: Mon, 27 May 2024 16:53:20 +0200
From: Julien Panis <jpanis@...libre.com>
To: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
 linux-mediatek@...ts.infradead.org
Cc: lee@...nel.org, robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
 matthias.bgg@...il.com, mandyjh.liu@...iatek.com,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, kernel@...labora.com
Subject: Re: [PATCH 5/5] arm64: dts: mediatek: mt8188: Add support for Mali
 GPU on Panfrost

On 5/27/24 11:39, AngeloGioacchino Del Regno wrote:
> Add the necessary OPP table for the GPU and also add a GPU node
> to enable support for the Valhall-JM G57 MC3 found on this SoC,
> using the Panfrost driver.
>
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
> ---

[...]

>   
> +		gpu: gpu@...00000 {
> +			compatible = "mediatek,mt8188-mali", "arm,mali-valhall-jm";
> +			reg = <0 0x13000000 0 0x4000>;
> +
> +			clocks = <&mfgcfg CLK_MFGCFG_BG3D>;
> +			interrupts = <GIC_SPI 383 IRQ_TYPE_LEVEL_HIGH 0>,
> +				     <GIC_SPI 382 IRQ_TYPE_LEVEL_HIGH 0>,
> +				     <GIC_SPI 381 IRQ_TYPE_LEVEL_HIGH 0>;
> +			interrupt-names = "job", "mmu", "gpu";
> +			operating-points-v2 = <&gpu_opp_table>;
> +			power-domains = <&spm MT8188_POWER_DOMAIN_MFG2>,
> +					<&spm MT8188_POWER_DOMAIN_MFG3>,
> +					<&spm MT8188_POWER_DOMAIN_MFG4>;
> +			power-domain-names = "core0", "core1", "core2";

Hi Angelo,

I think you should add something like that here:
#cooling-cells = <2>;
(the warning is raised when I run 'make dtbs_check')

Julien