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Re: thermal: mediatek: Add cpu power cooling model

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  Re: thermal: mediatek: Add cpu power cooling model dawei chien <dawei.chien@mediatek.com> - 2015-09-08 17:50 +0200

#1220942 — Re: thermal: mediatek: Add cpu power cooling model

Hi Viresh,

On Mon, 2015-09-07 at 11:39 +0530, Viresh Kumar wrote:
> On 04-09-15, 17:01, Dawei Chien wrote:
> > Use Intelligent Power Allocation (IPA) technical to add
> > static/dynamic power model for binding CPU thermal zone.
> > The power allocator governor allocates power budget to control
> > CPU temperature.
> 
> Sorry but this isn't enough really.. I don't have time to go through
> the code and understand the purpose of the series.
> 
> Please explain here in detail:
> - Why this is needed.
Power Allocator governor is able to keep SOC temperature within a
defined temperature range to avoid SOC overheat and keep it's
performance. mt8173-cpufreq.c need to register its' own power model with
power allocator thermal governor, so that power allocator governor can
allocates suitable power budget to control CPU temperature.

> - What/How you are doing it.
Measure and create dynamic/static power model, and register cooling
device of_cpufreq_power_cooling_register for MT8173.
> 
> (Don't resend, just reply to this email :) )
> 


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