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cpufreq: dt: Add cpu devices to system monitor

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Change-Id: I5481e50dddc2f9a8888758d096e4c3f185df06dc
Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com>
This commit is contained in:
Finley Xiao
2019-03-15 17:31:42 +08:00
committed by Tao Huang
parent 3f3593b1bc
commit c635afa77c
1 changed files with 23 additions and 17 deletions
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40
drivers/cpufreq/cpufreq-dt.c
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@@ -31,21 +31,15 @@
#ifdef CONFIG_ARCH_ROCKCHIP
#include <soc/rockchip/rockchip_ipa.h>
#include <soc/rockchip/rockchip_opp_select.h>
#endif
#ifdef CONFIG_ARCH_ROCKCHIP
static struct thermal_opp_device_data cpu_devdata = {
.type = THERMAL_OPP_TPYE_CPU,
.low_temp_adjust = rockchip_cpu_low_temp_adjust,
.high_temp_adjust = rockchip_cpu_high_temp_adjust,
};
#include <soc/rockchip/rockchip_system_monitor.h>
#endif
struct private_data {
struct device *cpu_dev;
struct thermal_cooling_device *cdev;
#ifdef CONFIG_ARCH_ROCKCHIP
struct thermal_opp_info *opp_info;
struct monitor_dev_info *mdev_info;
struct monitor_dev_profile *mdevp;
struct ipa_power_model_data *model_data;
#endif
const char *reg_name;
@@ -323,13 +317,23 @@ static int cpufreq_init(struct cpufreq_policy *policy)
policy->down_transition_delay_us = 50000; /* 50ms */
#ifdef CONFIG_ARCH_ROCKCHIP
priv->opp_info = rockchip_register_thermal_notifier(cpu_dev,
&cpu_devdata);
if (IS_ERR(priv->opp_info)) {
priv->mdevp = kzalloc(sizeof(*priv->mdevp), GFP_KERNEL);
if (!priv->mdevp)
goto check_rate_volt;
priv->mdevp->type = MONITOR_TPYE_CPU;
priv->mdevp->low_temp_adjust = rockchip_monitor_cpu_low_temp_adjust;
priv->mdevp->high_temp_adjust = rockchip_monitor_cpu_high_temp_adjust;
cpumask_copy(&priv->mdevp->allowed_cpus, policy->cpus);
priv->mdev_info = rockchip_system_monitor_register(cpu_dev,
priv->mdevp);
if (IS_ERR(priv->mdev_info)) {
kfree(priv->mdevp);
priv->mdevp = NULL;
dev_dbg(priv->cpu_dev,
"running cpufreq without thermal notifier\n");
priv->opp_info = NULL;
"running cpufreq without system monitor\n");
priv->mdev_info = NULL;
}
check_rate_volt:
rockchip_cpufreq_check_rate_volt(cpu_dev);
#endif
@@ -361,8 +365,8 @@ static int cpufreq_exit(struct cpufreq_policy *policy)
pr_err("%s: Failed to suspend driver: %p\n", __func__, policy);
cpumask_clear_cpu(policy->cpu, policy->cpus);
rockchip_cpufreq_set_scale_rate(priv->cpu_dev, 0);
rockchip_cpufreq_set_temp_limit_rate(priv->cpu_dev, 0);
rockchip_unregister_thermal_notifier(priv->opp_info);
rockchip_system_monitor_unregister(priv->mdev_info);
kfree(priv->mdevp);
#endif
cpufreq_cooling_unregister(priv->cdev);
dev_pm_opp_free_cpufreq_table(priv->cpu_dev, &policy->freq_table);
@@ -451,6 +455,7 @@ static void cpufreq_ready(struct cpufreq_policy *policy)
of_node_put(np);
}
#ifdef CONFIG_ARCH_ROCKCHIP
static int rockchip_cpufreq_suspend(struct cpufreq_policy *policy)
{
struct private_data *priv = policy->driver_data;
@@ -458,10 +463,11 @@ static int rockchip_cpufreq_suspend(struct cpufreq_policy *policy)
ret = cpufreq_generic_suspend(policy);
if (!ret)
rockchip_cpu_suspend_low_temp_adjust(priv->opp_info);
rockchip_monitor_suspend_low_temp_adjust(priv->mdev_info);
return ret;
}
#endif
static struct cpufreq_driver dt_cpufreq_driver = {
.flags = CPUFREQ_STICKY | CPUFREQ_NEED_INITIAL_FREQ_CHECK |