Re: [PATCH v2 0/3] EM / PM: Inefficient OPPs

From: Viresh Kumar
Date: Wed May 26 2021 - 05:33:27 EST


On 26-05-21, 09:56, Lukasz Luba wrote:
> No, these OPPs have to stay because they are used in thermal for cooling
> states.

This won't break the thermal tables. Thermal just sets the max-freq for a CPU,
and it doesn't depend on the OPP table for that.

> DT cooling devices might have them set as a scope of possible
> states. We don't want to break existing platforms, don't we?

I don't think we will end up breaking anything here.

> We want to 'avoid' those OPPs when possible (no thermal pressure), but
> we might have to use them sometimes.

Why would we want to use them if they are inefficient ? Thermal or something
else as well ?

More in the other reply I am sending to Vincent.

--
viresh