[PATCH v2 3/4] arm64: dts: qcom: qcs615: Add gpu and gmu nodes

[Akhil P Oommen]

On 12/13/2024 4:27 PM, Konrad Dybcio wrote:
> On 13.12.2024 11:35 AM, Akhil P Oommen wrote:
>> From: Jie Zhang <quic_jiezh at quicinc.com>
>>
>> Add gpu and gmu nodes for qcs615 chipset.
>>
>> Signed-off-by: Jie Zhang <quic_jiezh at quicinc.com>
>> Signed-off-by: Akhil P Oommen <quic_akhilpo at quicinc.com>
>> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
>> ---
>>  arch/arm64/boot/dts/qcom/qcs615.dtsi | 88 ++++++++++++++++++++++++++++++++++++
>>  1 file changed, 88 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/qcs615.dtsi b/arch/arm64/boot/dts/qcom/qcs615.dtsi
>> index 8df26efde3fd..dee5d3be4aa3 100644
>> --- a/arch/arm64/boot/dts/qcom/qcs615.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/qcs615.dtsi
>> @@ -387,6 +387,11 @@ smem_region: smem at 86000000 {
>>  			no-map;
>>  			hwlocks = <&tcsr_mutex 3>;
>>  		};
>> +
>> +		pil_gpu_mem: pil-gpu at 97715000 {
>> +			reg = <0x0 0x97715000 0x0 0x2000>;
>> +			no-map;
>> +		};
>>  	};
>>  
>>  	soc: soc at 0 {
>> @@ -508,6 +513,89 @@ qup_uart0_rx: qup-uart0-rx-state {
>>  			};
>>  		};
>>  
>> +		gpu: gpu at 5000000 {
>> +			compatible = "qcom,adreno-612.0", "qcom,adreno";
>> +			reg = <0x0 0x05000000 0x0 0x90000>;
>> +			reg-names = "kgsl_3d0_reg_memory";
>> +
>> +			clocks = <&gpucc GPU_CC_GX_GFX3D_CLK>,
>> +				 <&gcc GCC_DDRSS_GPU_AXI_CLK>,
>> +				 <&gcc GCC_GPU_MEMNOC_GFX_CLK>,
>> +				 <&gpucc GPU_CC_CX_GMU_CLK>,
>> +				 <&gpucc GPU_CC_CXO_CLK>;
>> +			clock-names = "core",
>> +				      "mem_iface",
>> +				      "alt_mem_iface",
>> +				      "gmu",
>> +				      "xo";
>> +
>> +			interrupts = <GIC_SPI 300 IRQ_TYPE_LEVEL_HIGH>;
>> +
>> +			interconnects = <&gem_noc MASTER_GFX3D QCOM_ICC_TAG_ALWAYS
>> +					 &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>;
>> +			interconnect-names = "gfx-mem";
>> +
>> +			iommus = <&adreno_smmu 0x0 0x401>;
> 
> No LPAC context?

Nope. A6XX_GEN1 family here.

> 
> 
>> +			operating-points-v2 = <&gpu_opp_table>;
>> +			power-domains = <&rpmhpd RPMHPD_CX>;
>> +			qcom,gmu = <&rgmu>;
>> +
>> +			#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-435000000 {
>> +					opp-hz = /bits/ 64 <435000000>;
>> +					required-opps = <&rpmhpd_opp_svs>;
>> +					opp-peak-kBps = <3000000>;
>> +				};
> 
> I'm also seeing 290 MHz @ LOW_SVS

Likely because the downstream automotive driver didn't use that corner
for some reason. Let me check.

-Akhil

> 
> Konrad