Re: [RFC PATCH 0/4] cpufreq: qcom-hw: Move clocks to CPU node

[Viresh Kumar]

On 29-08-22, 22:24, Bjorn Andersson wrote:
> Conceptually, it sounds like a good idea to express the clock feeding
> the CPU clusters, which is controlled by the OSM/EPSS.  But do you
> expect the OPP framework to actually do something with the clock, or
> just to ensure that the relationship is properly described?

No, the OPP core will never try to set the clock rate in your case,
though it will do clk_get().

> FWIW, the possible discrepancy between the requested frequency and the
> actual frequency comes from the fact that OSM/EPSS throttles the cluster
> frequency based on a number of different factors (thermal, voltages
> ...).
> This is reported back to the kernel using the thermal pressure
> interface. It would be quite interesting to see some investigation in
> how efficient the kernel is at making use of this feedback.

-- 
viresh