Re: [PATCH v6 7/7] arm64: dts: qcom: eliza: Add support for MM clock controllers

[Taniya Das]

On 7/6/2026 6:36 PM, Konrad Dybcio wrote:
> On 7/6/26 7:28 AM, Taniya Das wrote:
>>
>>
>> On 6/30/2026 7:39 PM, Konrad Dybcio wrote:
>>> On 6/9/26 5:02 PM, Taniya Das wrote:
>>>> Add the device nodes for the multimedia clock controllers (cambistmclkcc,
>>>> camcc, videocc, gpucc) for Qualcomm Eliza SoC.
>>>>
>>>> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxxxxxxxx>
>>>> Signed-off-by: Taniya Das <taniya.das@xxxxxxxxxxxxxxxx>
>>>> ---
>>>
>>> Almost all of these nodes lack power-domains, meaning the
>>> aggregated performance state requests will not be translated
>>> into RPMH requests
>>>
>>
>> Konrad, all the clock controllers are on CX, similar to Milos and does
>> not have any special voltage requirement for the clock controller.
>> It is okay to not map the power domains here.
> 
> I don't like repeating this every two weeks, but each consumer core
> may need a specific corner for operating at a given frequency and 
> the way that is conveyed upstream is via a hierarchical structure of
> pmdomains, where the root of the tree is provided by the rpmhpd
> driver
> 
> If the connection here is lacking, every requirement specific in the
> OPP table or in the IP node via required-opps goes to /dev/null and
> RPMH may do something between aggregating to a lower state (because
> there's some other node voting on it by pure coincidence) or shutting
> the rail off (because there's no votes whatshoever)


Sure Konrad, will fix them for Milos and Eliza and will submit the next
patchset.

-- 
Thanks,
Taniya Das