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soc: rockchip: system_monitor: Add support limit rate and offline cpus when early suspend

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Signed-off-by: Liang Chen <cl@rock-chips.com>
Change-Id: I02984d0c019b6085e9b4425f829a082e4da2ddef
This commit is contained in:
Liang Chen
2024-06-13 11:20:16 +08:00
committed by Chen Liang
parent 4ddca7a9fa
commit 87b51e9bdb
2 changed files with 19 additions and 3 deletions
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21
drivers/soc/rockchip/rockchip_system_monitor.c
View File

@@ -65,6 +65,7 @@ struct system_monitor_attr {
struct system_monitor {
struct device *dev;
struct cpumask early_suspend_offline_cpus;
struct cpumask video_4k_offline_cpus;
struct cpumask status_offline_cpus;
struct cpumask temp_offline_cpus;
@@ -823,7 +824,9 @@ static int monitor_device_parse_status_config(struct device_node *np,
{
int ret;
ret = of_property_read_u32(np, "rockchip,video-4k-freq",
ret = of_property_read_u32(np, "rockchip,early-suspend-freq",
&info->early_suspend_freq);
ret &= of_property_read_u32(np, "rockchip,video-4k-freq",
&info->video_4k_freq);
ret &= of_property_read_u32(np, "rockchip,reboot-freq",
&info->reboot_freq);
@@ -1452,6 +1455,11 @@ static int rockchip_system_monitor_parse_dt(struct system_monitor *monitor)
struct device_node *np = monitor->dev->of_node;
const char *tz_name, *buf = NULL;
if (of_property_read_string(np, "rockchip,early-suspend-offline-cpus", &buf))
cpumask_clear(&monitor->early_suspend_offline_cpus);
else
cpulist_parse(buf, &monitor->early_suspend_offline_cpus);
if (of_property_read_string(np, "rockchip,video-4k-offline-cpus", &buf))
cpumask_clear(&monitor->video_4k_offline_cpus);
else
@@ -1605,6 +1613,9 @@ static void rockchip_system_status_cpu_limit_freq(struct monitor_dev_info *info,
return;
}
if (info->early_suspend_freq && (status & SYS_STATUS_SUSPEND))
target_freq = info->early_suspend_freq;
if (info->video_4k_freq && (status & SYS_STATUS_VIDEO_4K))
target_freq = info->video_4k_freq;
@@ -1635,11 +1646,15 @@ static void rockchip_system_status_cpu_on_off(unsigned long status)
{
struct cpumask offline_cpus;
if (cpumask_empty(&system_monitor->video_4k_offline_cpus))
if (cpumask_empty(&system_monitor->video_4k_offline_cpus) &&
cpumask_empty(&system_monitor->early_suspend_offline_cpus))
return;
cpumask_clear(&offline_cpus);
if (status & SYS_STATUS_VIDEO_4K)
if (status & SYS_STATUS_SUSPEND)
cpumask_copy(&offline_cpus,
&system_monitor->early_suspend_offline_cpus);
else if (status & SYS_STATUS_VIDEO_4K)
cpumask_copy(&offline_cpus,
&system_monitor->video_4k_offline_cpus);
if (cpumask_equal(&offline_cpus, &system_monitor->status_offline_cpus))

1
include/soc/rockchip/rockchip_system_monitor.h
View File

@@ -110,6 +110,7 @@ struct monitor_dev_info {
unsigned long max_volt;
unsigned long low_temp_min_volt;
unsigned long high_temp_max_volt;
unsigned int early_suspend_freq;
unsigned int video_4k_freq;
unsigned int reboot_freq;
unsigned int status_min_limit;