linux-kernel - Re: [PATCH 6/8] arm64: dts: qcom: msm8976: Add Adreno GPU

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Date: Fri, 9 Feb 2024 22:32:38 +0100
From: Konrad Dybcio <konrad.dybcio@...aro.org>
To: Adam Skladowski <a39.skl@...il.com>
Cc: phone-devel@...r.kernel.org, ~postmarketos/upstreaming@...ts.sr.ht,
 Rob Clark <robdclark@...il.com>, Abhinav Kumar <quic_abhinavk@...cinc.com>,
 Dmitry Baryshkov <dmitry.baryshkov@...aro.org>, Sean Paul <sean@...rly.run>,
 Marijn Suijten <marijn.suijten@...ainline.org>,
 David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>,
 Rob Herring <robh+dt@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Conor Dooley <conor+dt@...nel.org>, Andy Gross <agross@...nel.org>,
 Bjorn Andersson <andersson@...nel.org>,
 Krishna Manikandan <quic_mkrishn@...cinc.com>,
 linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
 freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH 6/8] arm64: dts: qcom: msm8976: Add Adreno GPU

On 21.01.2024 20:41, Adam Skladowski wrote:
> Add Adreno GPU node.
> 
> Signed-off-by: Adam Skladowski <a39.skl@...il.com>
> ---
>  arch/arm64/boot/dts/qcom/msm8976.dtsi | 66 +++++++++++++++++++++++++++
>  1 file changed, 66 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/msm8976.dtsi b/arch/arm64/boot/dts/qcom/msm8976.dtsi
> index 2d71ce34f00e..765c90ac14cb 100644
> --- a/arch/arm64/boot/dts/qcom/msm8976.dtsi
> +++ b/arch/arm64/boot/dts/qcom/msm8976.dtsi
> @@ -1068,6 +1068,72 @@ mdss_dsi1_phy: phy@...6a00 {
>  			};
>  		};
>  
> +		adreno_gpu: gpu@...0000 {
> +			compatible = "qcom,adreno-510.0", "qcom,adreno";
> +
> +			reg = <0x01c00000 0x40000>;
> +			reg-names = "kgsl_3d0_reg_memory";
> +
> +			interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;
> +			interrupt-names = "kgsl_3d0_irq";
> +
> +			clock-names = "core",
> +				      "iface",
> +				      "mem",
> +				      "mem_iface",
> +				      "rbbmtimer",
> +				      "alwayson";
> +
> +			clocks = <&gcc GCC_GFX3D_OXILI_CLK>,
> +			    <&gcc GCC_GFX3D_OXILI_AHB_CLK>,
> +			    <&gcc GCC_GFX3D_OXILI_GMEM_CLK>,
> +			    <&gcc GCC_GFX3D_BIMC_CLK>,
> +			    <&gcc GCC_GFX3D_OXILI_TIMER_CLK>,
> +			    <&gcc GCC_GFX3D_OXILI_AON_CLK>;

The entries are misaligned

property
property-names

(and without a separating newline, please)

> +
> +			power-domains = <&rpmpd MSM8976_VDDCX>;
> +
> +			iommus = <&gpu_iommu 0>;
> +
> +			status = "disabled";
> +
> +			operating-points-v2 = <&gpu_opp_table>;
> +
> +			gpu_opp_table: opp-table {
> +				compatible  ="operating-points-v2";
> +
> +				opp-200000000 {
> +					opp-hz = /bits/ 64 <200000000>;

A random downstream I took has:

19.2 MHz
266.6 MHz
300.0 MHz
432.0 MHz
480.0 MHz
550.0 MHz
600.0 MHz

> +					opp-level = <RPM_SMD_LEVEL_LOW_SVS>;

you want required-opps here instead

Konrad