linux-kernel - Re: [PATCH 7/8] arm64: dts: qcom: sa8295p-adp: Enable GPU

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Message-ID: <CAA8EJpqiW7Sw-=3FzVjZMh0UcYgXWQCqL5P4Bk0QqrVahJYzQA@mail.gmail.com>
Date: Thu, 21 Dec 2023 09:09:05 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Bjorn Andersson <quic_bjorande@...cinc.com>
Cc: Bjorn Andersson <andersson@...nel.org>, Konrad Dybcio <konrad.dybcio@...aro.org>, 
	Michael Turquette <mturquette@...libre.com>, Stephen Boyd <sboyd@...nel.org>, 
	Rob Herring <robh+dt@...nel.org>, 
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Conor Dooley <conor+dt@...nel.org>, 
	Taniya Das <quic_tdas@...cinc.com>, Ulf Hansson <ulf.hansson@...aro.org>, 
	Johan Hovold <johan+linaro@...nel.org>, Catalin Marinas <catalin.marinas@....com>, 
	Will Deacon <will@...nel.org>, linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-pm@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 7/8] arm64: dts: qcom: sa8295p-adp: Enable GPU

On Thu, 21 Dec 2023 at 05:52, Bjorn Andersson <quic_bjorande@...cinc.com> wrote:
>
> With the necessary support in place for supplying VDD_GFX from the
> MAX20411 regulator, enable the GPU clock controller, GMU, Adreno SMMU
> and the GPU on the SA8295P ADP.
>
> Signed-off-by: Bjorn Andersson <quic_bjorande@...cinc.com>
> ---
>  arch/arm64/boot/dts/qcom/sa8295p-adp.dts | 29 +++++++++++++++++++++++++++++
>  1 file changed, 29 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sa8295p-adp.dts b/arch/arm64/boot/dts/qcom/sa8295p-adp.dts
> index e16406c9c19d..7775c5f4d2e8 100644
> --- a/arch/arm64/boot/dts/qcom/sa8295p-adp.dts
> +++ b/arch/arm64/boot/dts/qcom/sa8295p-adp.dts
> @@ -108,6 +108,13 @@ edp3_connector_in: endpoint {
>                         };
>                 };
>         };
> +
> +       reserved-memory {
> +               gpu_mem: gpu-mem@...00000 {
> +                       reg = <0 0x8bf00000 0 0x2000>;
> +                       no-map;
> +               };
> +       };
>  };
>
>  &apps_rsc {
> @@ -286,6 +293,28 @@ vdd_gfx: regulator@39 {
>         };
>  };
>
> +&gpucc {
> +       vdd-gfx-supply = <&vdd_gfx>;
> +       status = "okay";
> +};
> +
> +&gmu {
> +       status = "okay";
> +};
> +
> +&gpu {
> +       status = "okay";
> +
> +       zap-shader {
> +               memory-region = <&gpu_mem>;
> +               firmware-name = "qcom/sa8295p/a690_zap.mdt";

Can we please have .mbn here? Other than that, it looks good to me.

> +       };
> +};
> +
> +&gpu_smmu {
> +       status = "okay";
> +};
> +
>  &mdss0 {
>         status = "okay";
>  };
>
> --
> 2.25.1
>
>


-- 
With best wishes
Dmitry