linux-kernel - Re: [PATCH v3 01/10] arm64: dts: mt8183: Fix Mali GPU clock

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Date:   Fri, 16 Dec 2022 12:23:39 +0100
From:   Matthias Brugger <matthias.bgg@...il.com>
To:     AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Cc:     mturquette@...libre.com, sboyd@...nel.org, wenst@...omium.org,
        miles.chen@...iatek.com, rex-bc.chen@...iatek.com,
        nfraprado@...labora.com, chun-jie.chen@...iatek.com,
        jose.exposito89@...il.com, drinkcat@...omium.org,
        weiyi.lu@...iatek.com, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-clk@...r.kernel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org
Subject: Re: [PATCH v3 01/10] arm64: dts: mt8183: Fix Mali GPU clock



On 27/09/2022 12:11, AngeloGioacchino Del Regno wrote:
> From: Chen-Yu Tsai <wenst@...omium.org>
> 
> The actual clock feeding into the Mali GPU on the MT8183 is from the
> clock gate in the MFGCFG block, not CLK_TOP_MFGPLL_CK from the TOPCKGEN
> block, which itself is simply a pass-through placeholder for the MFGPLL
> in the APMIXEDSYS block.
> 
> Fix the hardware description with the correct clock reference.
> 
> Fixes: a8168cebf1bc ("arm64: dts: mt8183: Add node for the Mali GPU")
> Signed-off-by: Chen-Yu Tsai <wenst@...omium.org>
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>

Both patches applied, thanks!

> ---
>   arch/arm64/boot/dts/mediatek/mt8183.dtsi | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> index a70b669c49ba..402136bfd535 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> @@ -1678,7 +1678,7 @@ gpu: gpu@...40000 {
>   				<GIC_SPI 278 IRQ_TYPE_LEVEL_LOW>;
>   			interrupt-names = "job", "mmu", "gpu";
>   
> -			clocks = <&topckgen CLK_TOP_MFGPLL_CK>;
> +			clocks = <&mfgcfg CLK_MFG_BG3D>;
>   
>   			power-domains =
>   				<&spm MT8183_POWER_DOMAIN_MFG_CORE0>,