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Message-ID: <2e872daa-a9d8-430f-9a6c-90001dd3391e@baylibre.com>
Date: Tue, 28 May 2024 15:13:43 +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 5/28/24 12:36, AngeloGioacchino Del Regno wrote:
> Il 27/05/24 16:53, Julien Panis ha scritto:
>> 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
>>
>
> I can either add it to a v2 of this series, or you can add it in your patch where
> you're actually adding the thermal support.
>
> I have no preferences about who adds it, and I agree that cooling-cells should
> eventually get there, so I'll leave the choice to you :-)
>
> Cheers,
> Angelo

I will add it to my patch.
Julien

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