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Date: Fri, 17 Mar 2023 09:56:15 +0100
From: "Luca Weiss" <luca.weiss@...rphone.com>
To: "Konrad Dybcio" <konrad.dybcio@...aro.org>,
"Bjorn Andersson" <andersson@...nel.org>,
"Andy Gross" <agross@...nel.org>,
"Michael Turquette" <mturquette@...libre.com>,
"Stephen Boyd" <sboyd@...nel.org>,
"Rob Herring" <robh+dt@...nel.org>,
"Krzysztof Kozlowski" <krzysztof.kozlowski+dt@...aro.org>,
"AngeloGioacchino Del Regno"
<angelogioacchino.delregno@...ainline.org>
Cc: "Marijn Suijten" <marijn.suijten@...ainline.org>,
"Rob Herring" <robh@...nel.org>, <linux-arm-msm@...r.kernel.org>,
<linux-clk@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>,
"Konrad Dybcio" <konrad.dybcio@...ainline.org>
Subject: Re: [PATCH 4/5] arm64: dts: qcom: sm6350: Add GPU nodes
On Thu Mar 16, 2023 at 12:16 PM CET, Konrad Dybcio wrote:
> From: Konrad Dybcio <konrad.dybcio@...ainline.org>
>
> Add Adreno, GPU SMMU and GMU nodes to hook up everything that
> the A619 needs to function properly.
>
> Co-developed-by: Luca Weiss <luca.weiss@...rphone.com>
> Signed-off-by: Konrad Dybcio <konrad.dybcio@...ainline.org>
> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
> ---
> arch/arm64/boot/dts/qcom/sm6350.dtsi | 140 +++++++++++++++++++++++++++++++++++
> 1 file changed, 140 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sm6350.dtsi b/arch/arm64/boot/dts/qcom/sm6350.dtsi
> index 60b68d305e53..e967d06b0ad4 100644
> --- a/arch/arm64/boot/dts/qcom/sm6350.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm6350.dtsi
> @@ -1138,6 +1138,74 @@ compute-cb@5 {
> };
> };
>
> + gpu: gpu@...0000 {
> + compatible = "qcom,adreno-619.0", "qcom,adreno";
> + reg = <0 0x03d00000 0 0x40000>,
> + <0 0x03d9e000 0 0x1000>;
> + reg-names = "kgsl_3d0_reg_memory",
> + "cx_mem";
> + interrupts = <GIC_SPI 300 IRQ_TYPE_LEVEL_HIGH>;
> +
> + iommus = <&adreno_smmu 0>;
> + operating-points-v2 = <&gpu_opp_table>;
> + qcom,gmu = <&gmu>;
> + nvmem-cells = <&gpu_speed_bin>;
> + nvmem-cell-names = "speed_bin";
What about adding interconnect already? I also have opp-peak-kBps
additions in the opp table for that. I'll attach the diff I have at the
end of the email.
> +
> + status = "disabled";
> +
> + zap-shader {
> + memory-region = <&pil_gpu_mem>;
> + };
> +
> + gpu_opp_table: opp-table {
> + compatible = "operating-points-v2";
> +
> + opp-850000000 {
> + opp-hz = /bits/ 64 <850000000>;
> + opp-level = <RPMH_REGULATOR_LEVEL_TURBO_L1>;
> + opp-supported-hw = <0x02>;
> + };
> +
> + opp-800000000 {
> + opp-hz = /bits/ 64 <800000000>;
> + opp-level = <RPMH_REGULATOR_LEVEL_TURBO>;
> + opp-supported-hw = <0x04>;
> + };
> +
> + opp-650000000 {
> + opp-hz = /bits/ 64 <650000000>;
> + opp-level = <RPMH_REGULATOR_LEVEL_NOM_L1>;
> + opp-supported-hw = <0x08>;
> + };
> +
> + opp-565000000 {
> + opp-hz = /bits/ 64 <565000000>;
> + opp-level = <RPMH_REGULATOR_LEVEL_NOM>;
> + opp-supported-hw = <0x10>;
> + };
> +
> + opp-430000000 {
> + opp-hz = /bits/ 64 <430000000>;
> + opp-level = <RPMH_REGULATOR_LEVEL_SVS_L1>;
> + opp-supported-hw = <0xff>;
> + };
> +
> + opp-355000000 {
> + opp-hz = /bits/ 64 <355000000>;
> + opp-level = <RPMH_REGULATOR_LEVEL_SVS>;
> + opp-supported-hw = <0xff>;
> + };
> +
> + opp-253000000 {
> + opp-hz = /bits/ 64 <253000000>;
> + opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS>;
> + opp-supported-hw = <0xff>;
> + };
> + };
> + };
> +
> +
> gpucc: clock-controller@...0000 {
> compatible = "qcom,sm6350-gpucc";
> reg = <0 0x03d90000 0 0x9000>;
> @@ -1152,6 +1220,78 @@ gpucc: clock-controller@...0000 {
> #power-domain-cells = <1>;
> };
>
> + adreno_smmu: iommu@...0000 {
This and gmu should be above gpucc @3d90000?
> + compatible = "qcom,sm6350-smmu-v2", "qcom,adreno-smmu", "qcom,smmu-v2";
> + reg = <0 0x03d40000 0 0x10000>;
> + #iommu-cells = <1>;
> + #global-interrupts = <2>;
> + interrupts = <GIC_SPI 229 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 231 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 364 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 365 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 366 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 367 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 368 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 369 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 370 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 371 IRQ_TYPE_LEVEL_HIGH>;
> +
> + clocks = <&gpucc GPU_CC_AHB_CLK>,
> + <&gcc GCC_GPU_MEMNOC_GFX_CLK>,
> + <&gcc GCC_GPU_SNOC_DVM_GFX_CLK>;
> + clock-names = "ahb",
> + "bus",
> + "iface";
> +
> + power-domains = <&gpucc GPU_CX_GDSC>;
> + };
> +
> + gmu: gmu@...a000 {
> + compatible = "qcom,adreno-gmu-619.0", "qcom,adreno-gmu";
> + reg = <0 0x03d6a000 0 0x31000>,
> + <0 0x0b290000 0 0x10000>,
> + <0 0x0b490000 0 0x10000>;
> + reg-names = "gmu",
> + "gmu_pdc",
> + "gmu_pdc_seq";
> +
> + interrupts = <GIC_SPI 304 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 305 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-names = "hfi",
> + "gmu";
> +
> + clocks = <&gpucc GPU_CC_AHB_CLK>,
> + <&gpucc GPU_CC_CX_GMU_CLK>,
> + <&gpucc GPU_CC_CXO_CLK>,
> + <&gcc GCC_DDRSS_GPU_AXI_CLK>,
> + <&gcc GCC_GPU_MEMNOC_GFX_CLK>;
> + clock-names = "ahb",
> + "gmu",
> + "cxo",
> + "axi",
> + "memnoc";
> +
> + power-domains = <&gpucc GPU_CX_GDSC>,
> + <&gpucc GPU_GX_GDSC>;
> + power-domain-names = "cx",
> + "gx";
> +
> + iommus = <&adreno_smmu 5>;
> +
> + operating-points-v2 = <&gmu_opp_table>;
> +
> + status = "disabled";
> +
> + gmu_opp_table: opp-table {
> + compatible = "operating-points-v2";
> +
> + opp-200000000 {
> + opp-hz = /bits/ 64 <200000000>;
> + opp-level = <RPMH_REGULATOR_LEVEL_MIN_SVS>;
> + };
> + };
> + };
> +
> mpss: remoteproc@...0000 {
> compatible = "qcom,sm6350-mpss-pas";
> reg = <0x0 0x04080000 0x0 0x4040>;
>
> --
> 2.39.2
Here's the diff I have for interconnect on top of this:
diff --git a/arch/arm64/boot/dts/qcom/sm6350.dtsi b/arch/arm64/boot/dts/qcom/sm6350.dtsi
index 4954cbc2c0fc..51c5ac679a32 100644
--- a/arch/arm64/boot/dts/qcom/sm6350.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm6350.dtsi
@@ -1142,6 +1142,8 @@ gpu: gpu@...0000 {
iommus = <&adreno_smmu 0>;
operating-points-v2 = <&gpu_opp_table>;
qcom,gmu = <&gmu>;
+ interconnects = <&gem_noc MASTER_GRAPHICS_3D 0 &clk_virt SLAVE_EBI_CH0 0>;
+ interconnect-names = "gfx-mem";
nvmem-cells = <&gpu_speed_bin>;
nvmem-cell-names = "speed_bin";
@@ -1157,42 +1159,49 @@ gpu_opp_table: opp-table {
opp-850000000 {
opp-hz = /bits/ 64 <850000000>;
opp-level = <RPMH_REGULATOR_LEVEL_TURBO_L1>;
+ opp-peak-kBps = <8371200>;
opp-supported-hw = <0x02>;
};
opp-800000000 {
opp-hz = /bits/ 64 <800000000>;
opp-level = <RPMH_REGULATOR_LEVEL_TURBO>;
+ opp-peak-kBps = <8371200>;
opp-supported-hw = <0x04>;
};
opp-650000000 {
opp-hz = /bits/ 64 <650000000>;
opp-level = <RPMH_REGULATOR_LEVEL_NOM_L1>;
+ opp-peak-kBps = <6220000>;
opp-supported-hw = <0x08>;
};
opp-565000000 {
opp-hz = /bits/ 64 <565000000>;
opp-level = <RPMH_REGULATOR_LEVEL_NOM>;
+ opp-peak-kBps = <5412000>;
opp-supported-hw = <0x10>;
};
opp-430000000 {
opp-hz = /bits/ 64 <430000000>;
opp-level = <RPMH_REGULATOR_LEVEL_SVS_L1>;
+ opp-peak-kBps = <4068000>;
opp-supported-hw = <0xff>;
};
opp-355000000 {
opp-hz = /bits/ 64 <355000000>;
opp-level = <RPMH_REGULATOR_LEVEL_SVS>;
+ opp-peak-kBps = <3072000>;
opp-supported-hw = <0xff>;
};
opp-253000000 {
opp-hz = /bits/ 64 <253000000>;
opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS>;
+ opp-peak-kBps = <2188000>;
opp-supported-hw = <0xff>;
};
};
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