linux-kernel - Re: [PATCH v5 0/5] Let the power allocator thermal governor run on any thermal zone

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Message-ID: <CAGS+omDj_mtvYc-w1BLSVhXNO-xX3xY_7dHnHUczXMsRAycA=w@mail.gmail.com>
Date:	Tue, 8 Sep 2015 09:46:23 +0800
From:	Daniel Kurtz <djkurtz@...omium.org>
To:	Javi Merino <javi.merino@....com>
Cc:	linux-pm@...r.kernel.org,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Chung-yih Wang <cywang@...omium.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Punit Agrawal <punit.agrawal@....com>,
	Eduardo Valentin <edubezval@...il.com>
Subject: Re: [PATCH v5 0/5] Let the power allocator thermal governor run on
 any thermal zone

Hi Javi,

On Mon, Sep 7, 2015 at 9:19 PM, Javi Merino <javi.merino@....com> wrote:
> Relax the thermal governor requirements of sustainable_power and at
> least two trip points so that it can be bound to any thermal zone.
> Its behavior won't be optimal, it would be the best possible with the
> data provided.

I tested this whole series on my MT8173 board with a battery thermal
zone with no trip points, so, for this whole series (not sure if both
are needed, so take your pick):

Reviewed-by: Daniel Kurtz <djkurtz@...omium.org>
Tested-by: Daniel Kurtz <djkurtz@...omium.org>

I am a bit confused by MAINTAINERS for drivers/thermal.
Will these patches be picked up by Eduardo or Zhang?

Thanks!
-Dan

> Changes since v4:
>    - Fix crash when a thermal zone with no trip points has no
>      get_trip_point_temp().  Reported by Daniel Kurtz.
>    - s/estimate_controller_constants()/estimate_pid_constants()/g
>
> Changes since v3:
>    - Don't hardcode a value for sustainable power and re-estimate
>      the PID controllers every time if no sustainable power is given
>      as suggested by Eduardo Valentin.
>    - power_actor_get_min_power() moved to a patch of its own.
>
> Changes since v2:
>   - Typos suggested by Daniel Kurtz
>
> Changes since v1:
>   - Let the power allocator governor operate if the thermal zone
>     doesn't have tzp as suggested by Chung-yih Wang
>
> Javi Merino (5):
>   thermal: Add a function to get the minimum power
>   thermal: power_allocator: relax the requirement of a sustainable_power
>     in tzp
>   thermal: power_allocator: relax the requirement of two passive trip
>      points
>   thermal: power_allocator: don't require tzp to be present for the
>     thermal zone
>   thermal: power_allocator: exit early if there are no cooling devices
>
>  Documentation/thermal/power_allocator.txt |   2 +-
>  drivers/thermal/power_allocator.c         | 243 ++++++++++++++++++++++--------
>  drivers/thermal/thermal_core.c            |  28 ++++
>  include/linux/thermal.h                   |   6 +
>  4 files changed, 214 insertions(+), 65 deletions(-)
>
> --
> 1.9.1
>
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