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Diffstat (limited to 'kernel/sched/cpufreq_schedutil.c')
-rw-r--r--kernel/sched/cpufreq_schedutil.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/kernel/sched/cpufreq_schedutil.c b/kernel/sched/cpufreq_schedutil.c
index cffcd08f4ec8..3dbf351d12d5 100644
--- a/kernel/sched/cpufreq_schedutil.c
+++ b/kernel/sched/cpufreq_schedutil.c
@@ -6,13 +6,6 @@
* Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
*/
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include "sched.h"
-
-#include <linux/sched/cpufreq.h>
-#include <trace/events/power.h>
-
#define IOWAIT_BOOST_MIN (SCHED_CAPACITY_SCALE / 8)
struct sugov_tunables {
@@ -289,6 +282,7 @@ static void sugov_iowait_apply(struct sugov_cpu *sg_cpu, u64 time)
* into the same scale so we can compare.
*/
boost = (sg_cpu->iowait_boost * sg_cpu->max) >> SCHED_CAPACITY_SHIFT;
+ boost = uclamp_rq_util_with(cpu_rq(sg_cpu->cpu), boost, NULL);
if (sg_cpu->util < boost)
sg_cpu->util = boost;
}
@@ -348,8 +342,11 @@ static void sugov_update_single_freq(struct update_util_data *hook, u64 time,
/*
* Do not reduce the frequency if the CPU has not been idle
* recently, as the reduction is likely to be premature then.
+ *
+ * Except when the rq is capped by uclamp_max.
*/
- if (sugov_cpu_is_busy(sg_cpu) && next_f < sg_policy->next_freq) {
+ if (!uclamp_rq_is_capped(cpu_rq(sg_cpu->cpu)) &&
+ sugov_cpu_is_busy(sg_cpu) && next_f < sg_policy->next_freq) {
next_f = sg_policy->next_freq;
/* Restore cached freq as next_freq has changed */
@@ -395,8 +392,11 @@ static void sugov_update_single_perf(struct update_util_data *hook, u64 time,
/*
* Do not reduce the target performance level if the CPU has not been
* idle recently, as the reduction is likely to be premature then.
+ *
+ * Except when the rq is capped by uclamp_max.
*/
- if (sugov_cpu_is_busy(sg_cpu) && sg_cpu->util < prev_util)
+ if (!uclamp_rq_is_capped(cpu_rq(sg_cpu->cpu)) &&
+ sugov_cpu_is_busy(sg_cpu) && sg_cpu->util < prev_util)
sg_cpu->util = prev_util;
cpufreq_driver_adjust_perf(sg_cpu->cpu, map_util_perf(sg_cpu->bw_dl),