On 10/24/25 12:17 AM, Akhil P Oommen wrote:
> On 10/22/2025 8:57 PM, Konrad Dybcio wrote:
>> On 10/17/25 7:08 PM, Akhil P Oommen wrote:
>>> From: Jie Zhang <[email protected]>
>>>
>>> Add gpu and rgmu nodes for qcs615 chipset.
>>>
>>> Signed-off-by: Jie Zhang <[email protected]>
>>> Signed-off-by: Akhil P Oommen <[email protected]>
>>> ---
[...]
>>> + rgmu: rgmu@506a000 {
>>> + compatible = "qcom,adreno-rgmu-612.0",
>>> "qcom,adreno-rgmu";
>>> + reg = <0x0 0x0506a000 0x0 0x34000>;
>>> + reg-names = "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_HLOS1_VOTE_GPU_SMMU_CLK>;
>>> + clock-names = "gmu",
>>> + "cxo",
>>> + "axi",
>>> + "memnoc",
>>> + "smmu_vote";
>>> +
>>> + power-domains = <&gpucc CX_GDSC>,
>>> + <&gpucc GX_GDSC>,
>>> + <&rpmhpd RPMHPD_CX>;
>>> + power-domain-names = "cx", "gx", "vdd_cx";
>>
>> I think the gpucc node should reference _CX directly instead,
>> then genpd/opp should trickle the requirements up the chain
>
> Do you mean the CX rail scaling here should be handled by gpucc clk driver?
Yes, you can simply add .use_rpm = true to qcom_cc_desc in there and
add power-domains = <&rpmhpd RPMHPD_CX> to the node
Konrad
