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soc: rockchip: system_monitor: Add support to adjust volt before online first cpu

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Change-Id: I66dd0c6c8f4bd05100b41f7e7a98c4d4cf8fe9f3
Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com>
This commit is contained in:
Finley Xiao
2024-09-06 09:13:52 +08:00
committed by Tao Huang
parent 300db31c73
commit d52cfbba89
1 changed files with 46 additions and 12 deletions
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58
drivers/soc/rockchip/rockchip_system_monitor.c
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@@ -1088,19 +1088,8 @@ static void rockchip_high_temp_adjust(struct monitor_dev_info *info,
}
}
int rockchip_monitor_suspend_low_temp_adjust(int cpu)
static int rockchip_monitor_low_temp_adjust(struct monitor_dev_info *info)
{
struct monitor_dev_info *info = NULL, *tmp;
list_for_each_entry(tmp, &monitor_dev_list, node) {
if (tmp->devp->type != MONITOR_TYPE_CPU)
continue;
if (cpumask_test_cpu(cpu, &tmp->devp->allowed_cpus)) {
info = tmp;
break;
}
}
if (!info || !info->is_low_temp_enabled)
return 0;
@@ -1115,6 +1104,24 @@ int rockchip_monitor_suspend_low_temp_adjust(int cpu)
return 0;
}
int rockchip_monitor_suspend_low_temp_adjust(int cpu)
{
struct monitor_dev_info *info = NULL, *tmp;
down_read(&mdev_list_sem);
list_for_each_entry(tmp, &monitor_dev_list, node) {
if (tmp->devp->type != MONITOR_TYPE_CPU)
continue;
if (cpumask_test_cpu(cpu, &tmp->devp->allowed_cpus)) {
info = tmp;
break;
}
}
up_read(&mdev_list_sem);
return rockchip_monitor_low_temp_adjust(info);
}
EXPORT_SYMBOL(rockchip_monitor_suspend_low_temp_adjust);
static int
@@ -1498,6 +1505,30 @@ out:
return 0;
}
#ifdef CONFIG_HOTPLUG_CPU
static void rockchip_system_monitor_first_cpu_online(struct cpumask *online_cpus)
{
struct monitor_dev_info *tmp;
struct cpumask tmp_mask;
down_read(&mdev_list_sem);
list_for_each_entry(tmp, &monitor_dev_list, node) {
if (tmp->devp->type != MONITOR_TYPE_CPU)
continue;
/* Check if all allowed cpus of the cluster are offline */
cpumask_and(&tmp_mask, &tmp->devp->allowed_cpus, cpu_online_mask);
if (!cpumask_empty(&tmp_mask))
continue;
/* Check if the online cpus contain one allowed cpu of the cluster */
cpumask_and(&tmp_mask, &tmp->devp->allowed_cpus, online_cpus);
if (cpumask_empty(&tmp_mask))
continue;
rockchip_monitor_low_temp_adjust(tmp);
}
up_read(&mdev_list_sem);
}
#endif
static void rockchip_system_monitor_cpu_on_off(void)
{
#ifdef CONFIG_HOTPLUG_CPU
@@ -1528,6 +1559,7 @@ static void rockchip_system_monitor_cpu_on_off(void)
cpumask_xor(&online_cpus, cpu_online_mask, &online_cpus);
if (cpumask_empty(&online_cpus))
goto out;
rockchip_system_monitor_first_cpu_online(&online_cpus);
for_each_cpu(cpu, &online_cpus)
add_cpu(cpu);
@@ -1679,6 +1711,7 @@ static int rockchip_system_monitor_set_cpu_uevent_suppress(bool is_suppress)
struct monitor_dev_info *info;
struct cpufreq_policy *policy;
down_read(&mdev_list_sem);
list_for_each_entry(info, &monitor_dev_list, node) {
if (info->devp->type != MONITOR_TYPE_CPU)
continue;
@@ -1690,6 +1723,7 @@ static int rockchip_system_monitor_set_cpu_uevent_suppress(bool is_suppress)
else
dev_set_uevent_suppress(&policy->cdev->device, 0);
}
up_read(&mdev_list_sem);
return 0;
}