From: Lukasz Luba <l.luba@partner.samsung.com>
Date: Thu, 8 Nov 2018 19:33:49 +0000 (+0100)
Subject: sched/power: alwas take into current integral into account
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=32de14fe63ddccfb7f33e6c6cfd16f1696c1c49f;p=platform%2Fkernel%2Flinux-exynos.git

sched/power: alwas take into current integral into account

In controler algorithm take into account current overshout error
and don't wait till next period.

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

diff --git a/kernel/sched/power.c b/kernel/sched/power.c
index 20f5618d8f2b..8bd8502681e3 100644
--- a/kernel/sched/power.c
+++ b/kernel/sched/power.c
@@ -548,7 +548,7 @@ static u32 calc_power_budget(struct _thermal_zone *zone)
 	i = zone->trip_ctrl_alg.integral * k_i;
 
 	if (temp_diff < 0) {
-		s64 i_0 = i + k_i * temp_diff;
+		i += k_i * temp_diff;
 
 		zone->trip_ctrl_alg.integral += temp_diff;
 	}