linux-kernel - Re: [RESEND][PATCH v2 1/4] OPP: OF: Export dev_opp_pm_calc

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Date: Tue, 26 Mar 2024 08:29:06 +0000
From: Lukasz Luba <lukasz.luba@....com>
To: Viresh Kumar <viresh.kumar@...aro.org>
Cc: linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
 dietmar.eggemann@....com, linux-arm-kernel@...ts.infradead.org,
 sboyd@...nel.org, nm@...com, linux-samsung-soc@...r.kernel.org,
 daniel.lezcano@...aro.org, rafael@...nel.org,
 krzysztof.kozlowski@...aro.org, alim.akhtar@...sung.com,
 m.szyprowski@...sung.com, mhiramat@...nel.org
Subject: Re: [RESEND][PATCH v2 1/4] OPP: OF: Export dev_opp_pm_calc_power()
 for usage from EM



On 3/26/24 02:51, Viresh Kumar wrote:
> On 22-03-24, 11:08, Lukasz Luba wrote:
>> There are device drivers which can modify voltage values for OPPs. It
>> could be due to the chip binning and those drivers have specific chip
>> knowledge about it. This adjustment can happen after Energy Model is
>> registered, thus EM can have stale data about power.
>>
>> Export dev_opp_pm_calc_power() which can be used by Energy Model to
>> calculate new power with the new voltage for OPPs.
>>
>> Signed-off-by: Lukasz Luba <lukasz.luba@....com>
>> ---
>>   drivers/opp/of.c       | 17 ++++++++++++-----
>>   include/linux/pm_opp.h |  8 ++++++++
>>   2 files changed, 20 insertions(+), 5 deletions(-)
> 
> Acked-by: Viresh Kumar <viresh.kumar@...aro.org>
> 

Thanks Viresh for the ACK!

Regards,
Lukasz