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[v2,1/4] thermal: core: add upper and lower limits to power_actor_set_power

Message ID 20201015112441.4056-2-lukasz.luba@arm.com
State New
Headers show
Series Add upper and lower limits in IPA power budget calculation | expand

Commit Message

Lukasz Luba Oct. 15, 2020, 11:24 a.m. UTC 
From: Michael Kao <michael.kao@mediatek.com>

The upper and lower limits of thermal throttle state in the
DT do not apply to the Intelligent Power Allocation (IPA) governor.
Add the clamping for cooling device upper and lower limits in the
power_actor_set_power() used by IPA.

Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Tested-by: Lukasz Luba <lukasz.luba@arm.com>
Signed-off-by: Michael Kao <michael.kao@mediatek.com>
---
 drivers/thermal/thermal_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index c6d74bc1c90b..2ea3633b5d66 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -672,7 +672,7 @@  int power_actor_set_power(struct thermal_cooling_device *cdev,
 	if (ret)
 		return ret;
 
-	instance->target = state;
+	instance->target = clamp_val(state, instance->lower, instance->upper);
 	mutex_lock(&cdev->lock);
 	cdev->updated = false;
 	mutex_unlock(&cdev->lock);