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rockchip: midgard: cancel dvfs timers when recieve reboot notifier event

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This commit is contained in:
simon
2014-08-15 10:35:22 +08:00
parent b4dd0ce703
commit 643d90b064
1 changed files with 23 additions and 4 deletions
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27
drivers/gpu/arm/midgard/platform/rk/mali_kbase_config_rk.c
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@@ -28,6 +28,7 @@
#include <platform/rk/mali_kbase_dvfs.h>
#include <linux/pm_runtime.h>
#include <linux/suspend.h>
#include <linux/reboot.h>
int get_cpu_clock_speed(u32 *cpu_clock);
@@ -77,6 +78,19 @@ static int mali_pm_notifier(struct notifier_block *nb,unsigned long event,void*
static struct notifier_block mali_pm_nb = {
.notifier_call = mali_pm_notifier
};
static int mali_reboot_notifier_event(struct notifier_block *this, unsigned long event, void *ptr)
{
pr_info("%s enter\n",__func__);
if (kbase_platform_dvfs_enable(false, MALI_DVFS_CURRENT_FREQ)!= MALI_TRUE)
return -EPERM;
pr_info("%s exit\n",__func__);
return NOTIFY_OK;
}
static struct notifier_block mali_reboot_notifier = {
.notifier_call = mali_reboot_notifier_event,
};
#ifndef CONFIG_OF
static kbase_io_resources io_resources = {
@@ -108,16 +122,18 @@ static int mali_pm_notifier(struct notifier_block *nb,unsigned long event,void*
switch (event) {
case PM_SUSPEND_PREPARE:
#ifdef CONFIG_MALI_MIDGARD_DVFS
/*if (kbase_platform_dvfs_enable(false, MALI_DVFS_BL_CONFIG_FREQ)!= MALI_TRUE)*/
/*printk("%s,PM_SUSPEND_PREPARE\n",__func__);*/
/*
pr_info("%s,PM_SUSPEND_PREPARE\n",__func__);
*/
if (kbase_platform_dvfs_enable(false, p_mali_dvfs_infotbl[0].clock)!= MALI_TRUE)
err = NOTIFY_BAD;
#endif
break;
case PM_POST_SUSPEND:
#ifdef CONFIG_MALI_MIDGARD_DVFS
/*if (kbase_platform_dvfs_enable(true, MALI_DVFS_START_FREQ)!= MALI_TRUE)*/
/*printk("%s,PM_POST_SUSPEND\n",__func__);*/
/*
pr_info("%s,PM_POST_SUSPEND\n",__func__);
*/
if (kbase_platform_dvfs_enable(true, p_mali_dvfs_infotbl[0].clock)!= MALI_TRUE)
err = NOTIFY_BAD;
#endif
@@ -138,6 +154,8 @@ mali_bool kbase_platform_rk_init(kbase_device *kbdev)
if (register_pm_notifier(&mali_pm_nb)) {
return MALI_FALSE;
}
pr_info("%s,register_reboot_notifier\n",__func__);
register_reboot_notifier(&mali_reboot_notifier);
return MALI_TRUE;
}
return MALI_FALSE;
@@ -218,6 +236,7 @@ static int pm_callback_runtime_on(kbase_device *kbdev)
unsigned long flags;
unsigned int clock;
#endif
kbase_platform_power_on(kbdev);
kbase_platform_clock_on(kbdev);