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drm/amdgpu/powerplay: implement pem_task for display_configuration_change 

Add support for display configuration changes to the event manager.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rex Zhu 2015-10-16 14:59:17 +08:00 committed by Alex Deucher
parent 6f3bf7474c
commit 2f4afc5733
4 changed files with 15 additions and 6 deletions
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2
drivers/gpu/drm/amd/powerplay/eventmgr/eventsubchains.c
View File

@ -152,7 +152,7 @@ const pem_event_action set_boot_state_tasks[] = {
const pem_event_action adjust_power_state_tasks[] = {
pem_task_notify_hw_mgr_display_configuration_change,
pem_task_adjust_power_state,
/*pem_task_notify_smc_display_config_after_power_state_adjustment,*/
pem_task_notify_smc_display_config_after_power_state_adjustment,
pem_task_update_allowed_performance_levels,
/* to do pem_task_Enable_disable_bapm, */
NULL

13
drivers/gpu/drm/amd/powerplay/eventmgr/eventtasks.c
View File

@ -189,16 +189,25 @@ int pem_task_store_dal_configuration(struct pp_eventmgr *eventmgr, const struct
int pem_task_notify_hw_mgr_display_configuration_change(struct pp_eventmgr *eventmgr, struct pem_event_data *event_data)
{
/* TODO */
if (pem_is_hw_access_blocked(eventmgr))
return 0;
return phm_display_configuration_changed(eventmgr->hwmgr);
}
int pem_task_notify_hw_mgr_pre_display_configuration_change(struct pp_eventmgr *eventmgr, struct pem_event_data *event_data)
{
/* TODO */
return 0;
}
int pem_task_notify_smc_display_config_after_power_state_adjustment(struct pp_eventmgr *eventmgr, struct pem_event_data *event_data)
{
if (pem_is_hw_access_blocked(eventmgr))
return 0;
return phm_notify_smc_display_config_after_ps_adjustment(eventmgr->hwmgr);
}
int pem_task_block_adjust_power_state(struct pp_eventmgr *eventmgr, struct pem_event_data *event_data)
{
eventmgr->block_adjust_power_state = true;

2
drivers/gpu/drm/amd/powerplay/eventmgr/eventtasks.h
View File

@ -57,7 +57,7 @@ int pem_task_block_hw_access(struct pp_eventmgr *eventmgr, struct pem_event_data
int pem_task_un_block_hw_access(struct pp_eventmgr *eventmgr, struct pem_event_data *event_data);
int pem_task_reset_display_phys_access(struct pp_eventmgr *eventmgr, struct pem_event_data *event_data);
int pem_task_set_cpu_power_state(struct pp_eventmgr *eventmgr, struct pem_event_data *event_data);
int pem_task_notify_smc_display_config_after_power_state_adjustment(struct pp_eventmgr *eventmgr, struct pem_event_data *event_data);
/*powersaving*/
int pem_task_set_power_source(struct pp_eventmgr *eventmgr, struct pem_event_data *event_data);

2
drivers/gpu/drm/amd/powerplay/eventmgr/psm.c
View File

@ -97,7 +97,7 @@ int psm_adjust_power_state_dynamic(struct pp_eventmgr *eventmgr, bool skip)
pcurrent = hwmgr->current_ps;
requested = hwmgr->request_ps;
if (pcurrent != NULL || requested != NULL) {
if ((pcurrent != NULL || requested != NULL) && (pcurrent != requested)) {
phm_apply_state_adjust_rules(hwmgr, requested, pcurrent);
phm_set_power_state(hwmgr, &pcurrent->hardware, &requested->hardware);
hwmgr->current_ps = requested;