From: Lukasz Luba Date: Thu, 15 Oct 2020 11:24:39 +0000 (+0100) Subject: thermal: power_allocator: Respect upper and lower bounds for cooling device X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=8132df3a06a41823aa370dbb4ff08f48fa07f6df;p=linux.git thermal: power_allocator: Respect upper and lower bounds for cooling device The thermal cooling device specified in DT might be instantiated for a thermal zone trip point with a limited set of OPPs to operate on. This configuration should be supported by Intelligent Power Allocation (IPA), since it is a standard for other governors. Change the code and allow IPA to get power value of lower and upper bound set for a given cooling device. Signed-off-by: Lukasz Luba Signed-off-by: Daniel Lezcano Link: https://lore.kernel.org/r/20201015112441.4056-3-lukasz.luba@arm.com --- diff --git a/drivers/thermal/gov_power_allocator.c b/drivers/thermal/gov_power_allocator.c index ab0be26f08169..eb8c9afadf197 100644 --- a/drivers/thermal/gov_power_allocator.c +++ b/drivers/thermal/gov_power_allocator.c @@ -96,7 +96,10 @@ static u32 estimate_sustainable_power(struct thermal_zone_device *tz) if (instance->trip != params->trip_max_desired_temperature) continue; - if (power_actor_get_min_power(cdev, &min_power)) + if (!cdev_is_power_actor(cdev)) + continue; + + if (cdev->ops->state2power(cdev, instance->upper, &min_power)) continue; sustainable_power += min_power; @@ -398,7 +401,8 @@ static int allocate_power(struct thermal_zone_device *tz, weighted_req_power[i] = frac_to_int(weight * req_power[i]); - if (power_actor_get_max_power(cdev, &max_power[i])) + if (cdev->ops->state2power(cdev, instance->lower, + &max_power[i])) continue; total_req_power += req_power[i];