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Merge "sched/walt: Limit capacity capping to waltgov"

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qctecmdr 2023-10-24 14:44:13 -07:00 committed by Gerrit - the friendly Code Review server
commit 04840ff72e
2 changed files with 11 additions and 3 deletions
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4
kernel/sched/walt/cpufreq_walt.c
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@ -1046,6 +1046,7 @@ static void waltgov_tunables_restore(struct cpufreq_policy *policy)
tunables->target_load_shift = cached->target_load_shift;
}
bool waltgov_disabled = true;
static int waltgov_init(struct cpufreq_policy *policy)
{
struct waltgov_policy *wg_policy;
@ -1164,6 +1165,7 @@ static int waltgov_start(struct cpufreq_policy *policy)
waltgov_add_callback(cpu, &wg_cpu->cb, waltgov_update_freq);
}
waltgov_disabled = false;
return 0;
}
@ -1181,6 +1183,8 @@ static void waltgov_stop(struct cpufreq_policy *policy)
irq_work_sync(&wg_policy->irq_work);
kthread_cancel_work_sync(&wg_policy->work);
}
waltgov_disabled = true;
}
static void waltgov_limits(struct cpufreq_policy *policy)

10
kernel/sched/walt/walt.h
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@ -43,6 +43,7 @@
#define MAX_MARGIN_LEVELS (MAX_CLUSTERS - 1)
extern bool walt_disabled;
extern bool waltgov_disabled;
enum task_event {
PUT_PREV_TASK = 0,
@ -1126,11 +1127,14 @@ static inline bool has_internal_freq_limit_changed(struct walt_sched_cluster *cl
int i;
internal_freq = cluster->walt_internal_freq_limit;
cluster->walt_internal_freq_limit = cluster->max_freq;
for (i = 0; i < MAX_FREQ_CAP; i++)
cluster->walt_internal_freq_limit = min(fmax_cap[i][cluster->id],
if (likely(!waltgov_disabled)) {
for (i = 0; i < MAX_FREQ_CAP; i++)
cluster->walt_internal_freq_limit = min(fmax_cap[i][cluster->id],
cluster->walt_internal_freq_limit);
}
return cluster->walt_internal_freq_limit != internal_freq;
}