Re: [PATCH v4 3/4] OPP: Add support of "opp-microwatt" for advanced EM registration

[Viresh Kumar]

On 01-03-22, 09:35, Lukasz Luba wrote:
> The Energy Model (EM) can be created based on DT entry:
> 'dynamic-power-coefficient'. It's a 'simple' EM which is limited to the
> dynamic power. It has to fit into the math formula which requires also
> information about voltage. Some of the platforms don't expose voltage
> information, thus it's not possible to use EM registration using DT.
> 
> This patch aims to fix it. It introduces new implementation of the EM
> registration callback. The new mechanism relies on the new OPP feature
> allowing to get power (which is coming from "opp-microwatt" DT property)
> expressed in micro-Watts.
> 
> The patch also opens new opportunity to better support platforms, which
> have a decent static power. It allows to register 'advanced' EM (based
> on real power measurements) which models total power (static + dynamic),
> so better reflects real HW.

Advanced :(

-- 
viresh