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

From: Daniel Kurtz
Date: Mon Sep 07 2015 - 21:46:48 EST

Hi Javi,

On Mon, Sep 7, 2015 at 9:19 PM, Javi Merino <javi.merino@xxxxxxx> 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@xxxxxxxxxxxx>
Tested-by: Daniel Kurtz <djkurtz@xxxxxxxxxxxx>

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


> 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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