GitHub-Mirror/linux-bl808
2
0
Fork 0
mirror of https://github.com/Fishwaldo/linux-bl808.git synced 2025-06-17 20:25:19 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

cpufreq: Use CPUFREQ_RELATION_E in DVFS governors

Browse source 
Let the governors schedutil, conservative and ondemand to work, if possible
on efficient frequencies only.

Signed-off-by: Vincent Donnefort <vincent.donnefort@arm.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Vincent Donnefort 2021-09-08 15:05:29 +01:00 • committed by Rafael J. Wysocki
parent 1f39fa0dcc
commit b894d20e68
4 changed files with 18 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

10
include/linux/cpufreq.h
View file

@ -283,6 +283,10 @@ static inline void cpufreq_stats_record_transition(struct cpufreq_policy *policy
/* relation flags */
#define CPUFREQ_RELATION_E BIT(2) /* Get if possible an efficient frequency */
#define CPUFREQ_RELATION_LE (CPUFREQ_RELATION_L | CPUFREQ_RELATION_E)
#define CPUFREQ_RELATION_HE (CPUFREQ_RELATION_H | CPUFREQ_RELATION_E)
#define CPUFREQ_RELATION_CE (CPUFREQ_RELATION_C | CPUFREQ_RELATION_E)
struct freq_attr {
struct attribute attr;
ssize_t (*show)(struct cpufreq_policy *, char *);
@ -636,9 +640,11 @@ struct cpufreq_governor *cpufreq_fallback_governor(void);
static inline void cpufreq_policy_apply_limits(struct cpufreq_policy *policy)
{
if (policy->max < policy->cur)
__cpufreq_driver_target(policy, policy->max, CPUFREQ_RELATION_H);
__cpufreq_driver_target(policy, policy->max,
CPUFREQ_RELATION_HE);
else if (policy->min > policy->cur)
__cpufreq_driver_target(policy, policy->min, CPUFREQ_RELATION_L);
__cpufreq_driver_target(policy, policy->min,
CPUFREQ_RELATION_LE);
}
/* Governor attribute set */