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cpufreq: interactive: remove cpu limit of system monitor when touchboost

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Signed-off-by: Liang Chen <cl@rock-chips.com>
Change-Id: I53be2f5a8093b5fbfc0be7744e1b5b40f22530f1
This commit is contained in:
Liang Chen
2022-12-16 10:53:04 +08:00
committed by Tao Huang
parent d37ee119fe
commit 1a06d0b8a6
1 changed files with 44 additions and 0 deletions
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44
drivers/cpufreq/cpufreq_interactive.c
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@@ -37,6 +37,7 @@
#include <linux/slab.h>
#include <uapi/linux/sched/types.h>
#include <linux/sched/clock.h>
#include <soc/rockchip/rockchip_system_monitor.h>
#define CREATE_TRACE_POINTS
#include <trace/events/cpufreq_interactive.h>
@@ -100,6 +101,7 @@ struct interactive_tunables {
int touchboostpulse_duration_val;
/* End time of touchboost pulse in ktime converted to usecs */
u64 touchboostpulse_endtime;
bool touchboost, is_touchboosted;
#endif
bool boosted;
@@ -599,7 +601,44 @@ again:
for_each_cpu(cpu, &tmp_mask) {
struct interactive_cpu *icpu = &per_cpu(interactive_cpu, cpu);
struct cpufreq_policy *policy;
#ifdef CONFIG_ARCH_ROCKCHIP
struct interactive_tunables *tunables;
bool update_policy = false;
u64 now;
now = ktime_to_us(ktime_get());
if (!down_read_trylock(&icpu->enable_sem))
continue;
if (!icpu->ipolicy) {
up_read(&icpu->enable_sem);
continue;
}
tunables = icpu->ipolicy->tunables;
if (!tunables) {
up_read(&icpu->enable_sem);
continue;
}
if (tunables->touchboost &&
now > tunables->touchboostpulse_endtime) {
tunables->touchboost = false;
rockchip_monitor_restore_cpu_limit(cpu);
update_policy = true;
}
if (!tunables->is_touchboosted && tunables->touchboost) {
rockchip_monitor_remove_cpu_limit(cpu);
update_policy = true;
}
tunables->is_touchboosted = tunables->touchboost;
up_read(&icpu->enable_sem);
if (update_policy)
cpufreq_update_policy(cpu);
#endif
policy = cpufreq_cpu_get(cpu);
if (!policy)
continue;
@@ -1242,6 +1281,7 @@ static void cpufreq_interactive_input_event(struct input_handle *handle,
cpumask_set_cpu(i, &speedchange_cpumask);
pcpu->loc_hispeed_val_time =
ktime_to_us(ktime_get());
tunables->touchboost = true;
anyboost = 1;
}
@@ -1475,6 +1515,10 @@ static void cpufreq_interactive_exit(struct cpufreq_policy *policy)
idle_notifier_unregister(&cpufreq_interactive_idle_nb);
#ifdef CONFIG_ARCH_ROCKCHIP
input_unregister_handler(&cpufreq_interactive_input_handler);
if (tunables->touchboost) {
tunables->touchboost = false;
rockchip_monitor_restore_cpu_limit(policy->cpu);
}
#endif
}