void kbase_pm_term(kbase_device *kbdev)
{
unsigned long flags;
OSK_ASSERT(kbdev != NULL);
OSK_ASSERT(kbdev->pm.active_count == 0);
OSK_ASSERT(kbdev->pm.gpu_cycle_counter_requests == 0);
/* Destroy the workqueue - this ensures that all messages have been processed */
destroy_workqueue(kbdev->pm.workqueue);
if (kbdev->pm.current_policy != NULL)
{
/* Free any resources the policy allocated */
KBASE_TRACE_ADD( kbdev, PM_CURRENT_POLICY_TERM, NULL, NULL, 0u, kbdev->pm.current_policy->id );
kbdev->pm.current_policy->term(kbdev);
}
/* Synchronise with other threads */
spin_lock_irqsave(&kbdev->pm.power_change_lock, flags);
spin_unlock_irqrestore(&kbdev->pm.power_change_lock, flags);
/* Shut down the metrics subsystem */
kbasep_pm_metrics_term(kbdev);
}
mali_error kbase_pm_init(kbase_device *kbdev)
{
mali_error ret = MALI_ERROR_NONE;
kbase_pm_callback_conf *callbacks;
OSK_ASSERT(kbdev != NULL);
kbdev->pm.gpu_powered = MALI_FALSE;
atomic_set(&kbdev->pm.gpu_in_desired_state, MALI_TRUE);
callbacks = (kbase_pm_callback_conf*) kbasep_get_config_value(kbdev, kbdev->config_attributes,
KBASE_CONFIG_ATTR_POWER_MANAGEMENT_CALLBACKS);
if (callbacks)
{
kbdev->pm.callback_power_on = callbacks->power_on_callback;
kbdev->pm.callback_power_off = callbacks->power_off_callback;
kbdev->pm.callback_power_runtime_init = callbacks->power_runtime_init_callback;
kbdev->pm.callback_power_runtime_term = callbacks->power_runtime_term_callback;
kbdev->pm.callback_power_runtime_on = callbacks->power_runtime_on_callback;
kbdev->pm.callback_power_runtime_off = callbacks->power_runtime_off_callback;
}
else
{
kbdev->pm.callback_power_on = NULL;
kbdev->pm.callback_power_off = NULL;
kbdev->pm.callback_power_runtime_init = NULL;
kbdev->pm.callback_power_runtime_term = NULL;
kbdev->pm.callback_power_runtime_on = NULL;
kbdev->pm.callback_power_runtime_off = NULL;
}
/* Initialise the metrics subsystem */
ret = kbasep_pm_metrics_init(kbdev);
if (MALI_ERROR_NONE != ret)
{
return ret;
}
init_waitqueue_head(&kbdev->pm.l2_powered_wait);
kbdev->pm.l2_powered = 0;
init_waitqueue_head(&kbdev->pm.power_state_wait);
kbdev->pm.power_state = PM_POWER_STATE_TRANS;
init_waitqueue_head(&kbdev->pm.no_outstanding_event_wait);
kbdev->pm.no_outstanding_event = 1;
/* Simulate failure to create the workqueue */
if(OSK_SIMULATE_FAILURE(OSK_BASE_PM))
{
kbdev->pm.workqueue = NULL;
goto workq_fail;
}
kbdev->pm.workqueue = alloc_workqueue("kbase_pm", WQ_NON_REENTRANT | WQ_HIGHPRI | WQ_MEM_RECLAIM, 1);
if (NULL == kbdev->pm.workqueue)
{
goto workq_fail;
}
spin_lock_init(&kbdev->pm.power_change_lock);
spin_lock_init(&kbdev->pm.active_count_lock);
spin_lock_init(&kbdev->pm.gpu_cycle_counter_requests_lock);
spin_lock_init(&kbdev->pm.gpu_powered_lock);
return MALI_ERROR_NONE;
workq_fail:
kbasep_pm_metrics_term(kbdev);
return MALI_ERROR_FUNCTION_FAILED;
}
mali_error kbase_pm_init(kbase_device *kbdev)
{
mali_error ret = MALI_ERROR_NONE;
kbase_pm_callback_conf *callbacks;
KBASE_DEBUG_ASSERT(kbdev != NULL);
mutex_init(&kbdev->pm.lock);
kbdev->pm.gpu_powered = MALI_FALSE;
kbdev->pm.suspending = MALI_FALSE;
#ifdef CONFIG_MALI_DEBUG
kbdev->pm.driver_ready_for_irqs = MALI_FALSE;
#endif /* CONFIG_MALI_DEBUG */
kbdev->pm.gpu_in_desired_state = MALI_TRUE;
init_waitqueue_head(&kbdev->pm.gpu_in_desired_state_wait);
callbacks = (kbase_pm_callback_conf *) kbasep_get_config_value(kbdev, kbdev->config_attributes, KBASE_CONFIG_ATTR_POWER_MANAGEMENT_CALLBACKS);
if (callbacks) {
kbdev->pm.callback_power_on = callbacks->power_on_callback;
kbdev->pm.callback_power_off = callbacks->power_off_callback;
kbdev->pm.callback_power_runtime_init = callbacks->power_runtime_init_callback;
kbdev->pm.callback_power_runtime_term = callbacks->power_runtime_term_callback;
kbdev->pm.callback_power_runtime_on = callbacks->power_runtime_on_callback;
kbdev->pm.callback_power_runtime_off = callbacks->power_runtime_off_callback;
} else {
kbdev->pm.callback_power_on = NULL;
kbdev->pm.callback_power_off = NULL;
kbdev->pm.callback_power_runtime_init = NULL;
kbdev->pm.callback_power_runtime_term = NULL;
kbdev->pm.callback_power_runtime_on = NULL;
kbdev->pm.callback_power_runtime_off = NULL;
}
kbdev->pm.platform_dvfs_frequency = (u32) kbasep_get_config_value(kbdev, kbdev->config_attributes, KBASE_CONFIG_ATTR_POWER_MANAGEMENT_DVFS_FREQ);
/* Initialise the metrics subsystem */
ret = kbasep_pm_metrics_init(kbdev);
if (MALI_ERROR_NONE != ret)
return ret;
init_waitqueue_head(&kbdev->pm.l2_powered_wait);
kbdev->pm.l2_powered = 0;
init_waitqueue_head(&kbdev->pm.reset_done_wait);
kbdev->pm.reset_done = MALI_FALSE;
init_waitqueue_head(&kbdev->pm.zero_active_count_wait);
kbdev->pm.active_count = 0;
spin_lock_init(&kbdev->pm.power_change_lock);
spin_lock_init(&kbdev->pm.gpu_cycle_counter_requests_lock);
spin_lock_init(&kbdev->pm.gpu_powered_lock);
if (MALI_ERROR_NONE != kbase_pm_ca_init(kbdev))
goto workq_fail;
if (MALI_ERROR_NONE != kbase_pm_policy_init(kbdev))
goto pm_policy_fail;
return MALI_ERROR_NONE;
pm_policy_fail:
kbase_pm_ca_term(kbdev);
workq_fail:
kbasep_pm_metrics_term(kbdev);
return MALI_ERROR_FUNCTION_FAILED;
}
mali_error kbase_pm_init(struct kbase_device *kbdev)
{
mali_error ret = MALI_ERROR_NONE;
struct kbase_pm_callback_conf *callbacks;
KBASE_DEBUG_ASSERT(kbdev != NULL);
mutex_init(&kbdev->pm.lock);
kbdev->pm.gpu_powered = MALI_FALSE;
kbdev->pm.suspending = MALI_FALSE;
#ifdef CONFIG_MALI_DEBUG
kbdev->pm.driver_ready_for_irqs = MALI_FALSE;
#endif /* CONFIG_MALI_DEBUG */
kbdev->pm.gpu_in_desired_state = MALI_TRUE;
init_waitqueue_head(&kbdev->pm.gpu_in_desired_state_wait);
callbacks = (struct kbase_pm_callback_conf *)kbasep_get_config_value(kbdev, kbdev->config_attributes, KBASE_CONFIG_ATTR_POWER_MANAGEMENT_CALLBACKS);
if (callbacks) {
kbdev->pm.callback_power_on = callbacks->power_on_callback;
kbdev->pm.callback_power_off = callbacks->power_off_callback;
kbdev->pm.callback_power_suspend =
callbacks->power_suspend_callback;
kbdev->pm.callback_power_resume =
callbacks->power_resume_callback;
kbdev->pm.callback_power_runtime_init = callbacks->power_runtime_init_callback;
kbdev->pm.callback_power_runtime_term = callbacks->power_runtime_term_callback;
kbdev->pm.callback_power_runtime_on = callbacks->power_runtime_on_callback;
kbdev->pm.callback_power_runtime_off = callbacks->power_runtime_off_callback;
} else {
kbdev->pm.callback_power_on = NULL;
kbdev->pm.callback_power_off = NULL;
kbdev->pm.callback_power_suspend = NULL;
kbdev->pm.callback_power_resume = NULL;
kbdev->pm.callback_power_runtime_init = NULL;
kbdev->pm.callback_power_runtime_term = NULL;
kbdev->pm.callback_power_runtime_on = NULL;
kbdev->pm.callback_power_runtime_off = NULL;
}
/* MTK GPU DVFS init */
_mtk_gpu_dvfs_init();
/* MTK Register input boost and power limit call back function */
mt_gpufreq_input_boost_notify_registerCB(mtk_gpu_input_boost_CB);
mt_gpufreq_power_limit_notify_registerCB(mtk_gpu_power_limit_CB);
/* Register gpu boost function to MTK HAL */
mtk_boost_gpu_freq_fp = mtk_kbase_boost_gpu_freq;
mtk_custom_boost_gpu_freq_fp = mtk_kbase_custom_boost_gpu_freq; /* used for for performance service boost */
mtk_set_bottom_gpu_freq_fp = mtk_kbase_ged_bottom_gpu_freq; /* used for GED boost */
mtk_custom_get_gpu_freq_level_count_fp = mtk_kbase_custom_get_gpu_freq_level_count;
/* MTK MET use */
mtk_get_gpu_loading_fp = kbasep_get_gl_utilization;
kbdev->pm.platform_dvfs_frequency = (u32) kbasep_get_config_value(kbdev, kbdev->config_attributes, KBASE_CONFIG_ATTR_POWER_MANAGEMENT_DVFS_FREQ);
/* Initialise the metrics subsystem */
ret = kbasep_pm_metrics_init(kbdev);
if (MALI_ERROR_NONE != ret)
return ret;
init_waitqueue_head(&kbdev->pm.l2_powered_wait);
kbdev->pm.l2_powered = 0;
init_waitqueue_head(&kbdev->pm.reset_done_wait);
kbdev->pm.reset_done = MALI_FALSE;
init_waitqueue_head(&kbdev->pm.zero_active_count_wait);
kbdev->pm.active_count = 0;
spin_lock_init(&kbdev->pm.power_change_lock);
spin_lock_init(&kbdev->pm.gpu_cycle_counter_requests_lock);
spin_lock_init(&kbdev->pm.gpu_powered_lock);
if (MALI_ERROR_NONE != kbase_pm_ca_init(kbdev))
goto workq_fail;
if (MALI_ERROR_NONE != kbase_pm_policy_init(kbdev))
goto pm_policy_fail;
return MALI_ERROR_NONE;
pm_policy_fail:
kbase_pm_ca_term(kbdev);
workq_fail:
kbasep_pm_metrics_term(kbdev);
return MALI_ERROR_FUNCTION_FAILED;
}