From: Lukasz Luba <l.luba@partner.samsung.com>
Date: Thu, 25 Oct 2018 17:17:57 +0000 (+0200)
Subject: sched/power: update thermal subsystem after CPUs reweight
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9b1d8db540fbe93d19233ed5f0cff7aa7930602c;p=platform%2Fkernel%2Flinux-exynos.git

sched/power: update thermal subsystem after CPUs reweight

The patch....

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

diff --git a/kernel/sched/power.c b/kernel/sched/power.c
index c2fc0811bf37..0dcb4579b474 100644
--- a/kernel/sched/power.c
+++ b/kernel/sched/power.c
@@ -131,20 +131,28 @@ static void sched_power_work(struct kthread_work *work)
 	int i;
 	struct cpu_power *cpower = NULL;
 	struct power_request req;
+	unsigned int w;
+	bool need_update = false;
 
 	for_each_online_cpu(i) {
 		cpower = (&per_cpu(cpu_power, i));
 		raw_spin_lock(&cpower->update_lock);
+		w = cpower->weight;
 		req = cpower->req;
 		cpower->req.time = 0;
+		cpower->weight = req.weight;
 		raw_spin_unlock(&cpower->update_lock);
 
 		if (should_update_next_weight(req.time)) {
 			pr_info("cpower req poped\n");
 			thermal_cpu_cdev_set_weight(req.cpu, req.weight);
+			need_update = true;
 		}
 	}
 
+	if (need_update)
+		thermal_all_zones_recalc_power();
+
 	sp->work_in_progress = false;
 }
 
@@ -167,12 +175,12 @@ static void sched_power_update(struct update_sched_power *update, int cpu,
 	if (!cpower->operating)
 		return;
 
-	sp = cpower->sched_power;
-
-	/* Filter to frequent changes */
+	/* Filter to frequent changes or not needed*/
 	if (!should_update_next_weight(time))
 		return;
 
+	sp = cpower->sched_power;
+
 	raw_spin_lock(&cpower->update_lock);
 	cpower->req.weight = weight;
 	cpower->req.cpu = cpu;