static ssize_t power_always_on_write(struct file *filp, const char __user *ubuf, size_t cnt, loff_t *ppos)
{
unsigned long val;
int ret;
char buf[32];
cnt = min(cnt, sizeof(buf) - 1);
if (copy_from_user(buf, ubuf, cnt)) {
return -EFAULT;
}
buf[cnt] = '\0';
ret = strict_strtoul(buf, 10, &val);
if (0 != ret) {
return ret;
}
/* Update setting (not exactly thread safe) */
if (1 == val && MALI_FALSE == power_always_on_enabled) {
power_always_on_enabled = MALI_TRUE;
_mali_osk_pm_dev_ref_add();
} else if (0 == val && MALI_TRUE == power_always_on_enabled) {
power_always_on_enabled = MALI_FALSE;
_mali_osk_pm_dev_ref_dec();
}
*ppos += cnt;
return cnt;
}
void mali_pm_core_event(enum mali_core_event core_event)
{
MALI_DEBUG_ASSERT(MALI_CORE_EVENT_GP_START == core_event ||
MALI_CORE_EVENT_PP_START == core_event ||
MALI_CORE_EVENT_GP_STOP == core_event ||
MALI_CORE_EVENT_PP_STOP == core_event);
if (MALI_CORE_EVENT_GP_START == core_event || MALI_CORE_EVENT_PP_START == core_event)
{
_mali_osk_pm_dev_ref_add();
if (mali_utilization_enabled())
{
mali_utilization_core_start(_mali_osk_time_get_ns());
}
}
else
{
_mali_osk_pm_dev_ref_dec();
if (mali_utilization_enabled())
{
mali_utilization_core_end(_mali_osk_time_get_ns());
}
}
}
