C++ (Cpp) mali_device_suspend示例

示例#1

/** This function is called when Operating system wants to power down
 * the mali GPU device.
 */
static int mali_pm_suspend(struct device *dev)
{
	int err = 0;
	_mali_osk_lock_wait(lock, _MALI_OSK_LOCKMODE_RW);
	if ((mali_device_state == _MALI_DEVICE_SUSPEND))
	{
		_mali_osk_lock_signal(lock, _MALI_OSK_LOCKMODE_RW);
		return err;
	}
#if MALI_DVFS_ENABLED
	mali_utilization_suspend();
#endif
	err = mali_device_suspend(MALI_PMM_EVENT_OS_POWER_DOWN, &pm_thread);
	mali_device_state = _MALI_DEVICE_SUSPEND;
	_mali_osk_lock_signal(lock, _MALI_OSK_LOCKMODE_RW);
	return err;
}

示例#2

文件： mali_device_pause_resume.c 项目： Alexoborja/android_kernel_xperiago

/* Mali Pause Resume APIs */
int mali_dev_pause()
{
	int err = 0;
	_mali_osk_lock_wait(lock, _MALI_OSK_LOCKMODE_RW);
	if ((mali_dvfs_device_state ==  _MALI_DEVICE_SUSPEND) 
	      || (mali_device_state == _MALI_DEVICE_SUSPEND) )
	{
		err = -EPERM;
	}
	if ((mali_dvfs_device_state ==  _MALI_DEVICE_RESUME) && (!err))
	{
		mali_device_suspend(MALI_PMM_EVENT_DVFS_PAUSE, &dvfs_pm_thread);
		mali_dvfs_device_state = _MALI_DEVICE_SUSPEND;
	}
	_mali_osk_lock_signal(lock, _MALI_OSK_LOCKMODE_RW);
	return err;
}