From: Lukasz Luba <l.luba@partner.samsung.com>
Date: Thu, 8 Nov 2018 09:43:13 +0000 (+0100)
Subject: sched/power: change calc budget params
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=cd116a5222a90d324fadb71c4508a64a66f214b2;p=platform%2Fkernel%2Flinux-exynos.git

sched/power: change calc budget params

Change calculation parameters

Signed-off-by: Lukasz Luba <l.luba@partner.samsung.com>
---

diff --git a/kernel/sched/power.c b/kernel/sched/power.c
index 327f49a670d2..c66c8dca2465 100644
--- a/kernel/sched/power.c
+++ b/kernel/sched/power.c
@@ -518,13 +518,14 @@ static u64 estimate_total_min_power(struct thermal_zone_device *tz, int trip)
 	return total_min_power;
 }
 
-static u64 calc_power_budget(struct thermal_zone_device *tz, int desire_temp)
+static u32 calc_power_budget(struct _thermal_zone *zone, int control_temp)
 {
 	s64 temp_diff;
 	s64 power_budget;
+	struct thermal_zone_device *tz = zone->tz;
 
 	/* temperature is represented in milidegress */
-	temp_diff = desire_temp - tz->temperature;
+	temp_diff = control_temp - tz->temperature;
 
 	power_budget = temp_diff;
 
@@ -554,7 +555,7 @@ static struct _thermal_zone *find_zone(struct thermal_zone_device *tz)
 
 	return NULL;
 }
-static int inject_more_idle(struct _thermal_zone *zone)
+static int inject_more_idle(struct _thermal_zone *zone, u32 power_budget)
 {
 
 	return 0;
@@ -573,6 +574,8 @@ static int sched_power_gov_throttle(struct thermal_zone_device *tz, int trip)
 	struct thermal_cooling_device *cdev = NULL;
 	struct thermal_instance *inst = NULL;
 	u32 dev_power;
+	u32 power_budget;
+	int control_temp = 0;
 	struct _thermal_zone *zone;
 	int ret;
 
@@ -580,9 +583,11 @@ static int sched_power_gov_throttle(struct thermal_zone_device *tz, int trip)
 	if (!zone)
 		return -EINVAL;
 
+
 	if (zone->single_cooling_dev) {
-		/* ret = calc_power_budget(tz); */
-		ret = inject_more_idle(zone);
+		power_budget = calc_power_budget(zone, control_temp);
+		/* only deadline tasks can ask for over-speed with idlers */
+		ret = inject_more_idle(zone, power_budget);
 		if (ret) {
 			throttle_single_cdev(zone);
 			power_actor_set_power(cdev, inst, dev_power);