linux-kernel - Re: [PATCH v3 1/2] arm64: dts: qcom: sa8775p: Add gpu and gmu nodes

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Message-ID: <91682e01-df36-48ed-829f-05c96e04dbdb@quicinc.com>
Date: Wed, 13 Nov 2024 02:27:59 +0530
From: Akhil P Oommen <quic_akhilpo@...cinc.com>
To: Bjorn Andersson <andersson@...nel.org>
CC: <linux-arm-msm@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
        <freedreno@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        Puranam V G Tejaswi
	<quic_pvgtejas@...cinc.com>,
        Rob Clark <robdclark@...il.com>, Sean Paul
	<sean@...rly.run>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Abhinav Kumar
	<quic_abhinavk@...cinc.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        David Airlie
	<airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        Maarten Lankhorst
	<maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Connor Abbott <cwabbott0@...il.com>
Subject: Re: [PATCH v3 1/2] arm64: dts: qcom: sa8775p: Add gpu and gmu nodes

On 10/30/2024 12:32 PM, Akhil P Oommen wrote:
> From: Puranam V G Tejaswi <quic_pvgtejas@...cinc.com>
> 
> Add gpu and gmu nodes for sa8775p chipset. As of now all
> SKUs have the same GPU fmax, so there is no requirement of
> speed bin support.
> 
> Signed-off-by: Puranam V G Tejaswi <quic_pvgtejas@...cinc.com>
> Signed-off-by: Akhil P Oommen <quic_akhilpo@...cinc.com>
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> ---
>  arch/arm64/boot/dts/qcom/sa8775p.dtsi | 94 +++++++++++++++++++++++++++++++++++
>  1 file changed, 94 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
> index e8dbc8d820a6..c6cb18193787 100644
> --- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
> @@ -3072,6 +3072,100 @@ tcsr_mutex: hwlock@...0000 {
>  			#hwlock-cells = <1>;
>  		};
>  
> +		gpu: gpu@...0000 {
> +			compatible = "qcom,adreno-663.0", "qcom,adreno";
> +			reg = <0x0 0x03d00000 0x0 0x40000>,
> +			      <0x0 0x03d9e000 0x0 0x1000>,
> +			      <0x0 0x03d61000 0x0 0x800>;
> +			reg-names = "kgsl_3d0_reg_memory",
> +				    "cx_mem",
> +				    "cx_dbgc";
> +			interrupts = <GIC_SPI 300 IRQ_TYPE_LEVEL_HIGH>;
> +			iommus = <&adreno_smmu 0 0xc00>,
> +				 <&adreno_smmu 1 0xc00>;
> +			operating-points-v2 = <&gpu_opp_table>;
> +			qcom,gmu = <&gmu>;
> +			interconnects = <&gem_noc MASTER_GFX3D QCOM_ICC_TAG_ALWAYS
> +					 &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>;
> +			interconnect-names = "gfx-mem";
> +			#cooling-cells = <2>;
> +
> +			status = "disabled";
> +
> +			gpu_zap_shader: zap-shader {
> +				memory-region = <&pil_gpu_mem>;
> +			};
> +
> +			gpu_opp_table: opp-table {
> +				compatible = "operating-points-v2";
> +
> +				opp-405000000 {
> +					opp-hz = /bits/ 64 <405000000>;
> +					opp-level = <RPMH_REGULATOR_LEVEL_SVS_L1>;
> +					opp-peak-kBps = <5285156>;
> +				};
> +
> +				opp-676000000 {
> +					opp-hz = /bits/ 64 <676000000>;
> +					opp-level = <RPMH_REGULATOR_LEVEL_NOM>;
> +					opp-peak-kBps = <8171875>;
> +				};
> +
> +				opp-778000000 {
> +					opp-hz = /bits/ 64 <778000000>;
> +					opp-level = <RPMH_REGULATOR_LEVEL_TURBO>;
> +					opp-peak-kBps = <10687500>;
> +				};
> +
> +				opp-800000000 {
> +					opp-hz = /bits/ 64 <800000000>;
> +					opp-level = <RPMH_REGULATOR_LEVEL_TURBO_L1>;
> +					opp-peak-kBps = <12484375>;
> +				};
> +			};
> +		};
> +
> +		gmu: gmu@...a000 {
> +			compatible = "qcom,adreno-gmu-663.0", "qcom,adreno-gmu";
> +			reg = <0x0 0x03d6a000 0x0 0x34000>,
> +			      <0x0 0x03de0000 0x0 0x10000>,
> +			      <0x0 0x0b290000 0x0 0x10000>;
> +			reg-names = "gmu", "rscc", "gmu_pdc";
> +			interrupts = <GIC_SPI 304 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 305 IRQ_TYPE_LEVEL_HIGH>;
> +			interrupt-names = "hfi", "gmu";
> +			clocks = <&gpucc GPU_CC_CX_GMU_CLK>,
> +				 <&gpucc GPU_CC_CXO_CLK>,
> +				 <&gcc GCC_DDRSS_GPU_AXI_CLK>,
> +				 <&gcc GCC_GPU_MEMNOC_GFX_CLK>,
> +				 <&gpucc GPU_CC_AHB_CLK>,
> +				 <&gpucc GPU_CC_HUB_CX_INT_CLK>,
> +				 <&gpucc GPU_CC_HLOS1_VOTE_GPU_SMMU_CLK>;
> +			clock-names = "gmu",
> +				      "cxo",
> +				      "axi",
> +				      "memnoc",
> +				      "ahb",
> +				      "hub",
> +				      "smmu_vote";
> +			power-domains = <&gpucc GPU_CC_CX_GDSC>,
> +					<&gpucc GPU_CC_GX_GDSC>;
> +			power-domain-names = "cx",
> +					     "gx";
> +			iommus = <&adreno_smmu 5 0xc00>;
> +			operating-points-v2 = <&gmu_opp_table>;
> +
> +			gmu_opp_table: opp-table {
> +				compatible = "operating-points-v2";
> +
> +				opp-200000000 {
> +					opp-hz = /bits/ 64 <200000000>;
> +					opp-level = <RPMH_REGULATOR_LEVEL_MIN_SVS>;
> +				};
> +			};
> +		};
> +
> +
>  		gpucc: clock-controller@...0000 {
>  			compatible = "qcom,sa8775p-gpucc";
>  			reg = <0x0 0x03d90000 0x0 0xa000>;
> 

Bjorn,

Would it be possible to pick this patch for v6.13 or is it too late?
We can ignore the dependency on the display change since we are not
enabling GPU in this patch.

-Akhil.