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drm/amd/powerplay: add event task of disable dynamic state management 

Add an interface to disable dpm so that we can disable dpm before
updating pptables at runtime.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Eric Huang 2016-05-31 17:31:12 -04:00 committed by Alex Deucher
parent cf17039f48
commit 80597521e6
4 changed files with 28 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/gpu/drm/amd/powerplay/eventmgr/eventtasks.c
View File

@ -132,8 +132,7 @@ int pem_task_enable_dynamic_state_management(struct pp_eventmgr *eventmgr, struc
int pem_task_disable_dynamic_state_management(struct pp_eventmgr *eventmgr, struct pem_event_data *event_data)
{
/* TODO */
return 0;
return phm_disable_dynamic_state_management(eventmgr->hwmgr);
}
int pem_task_enable_clock_power_gatings_tasks(struct pp_eventmgr *eventmgr, struct pem_event_data *event_data)

24
drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c
View File

@ -154,6 +154,30 @@ int phm_enable_dynamic_state_management(struct pp_hwmgr *hwmgr)
return ret;
}
int phm_disable_dynamic_state_management(struct pp_hwmgr *hwmgr)
{
int ret = -1;
bool enabled;
PHM_FUNC_CHECK(hwmgr);
if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_TablelessHardwareInterface)) {
if (hwmgr->hwmgr_func->dynamic_state_management_disable)
ret = hwmgr->hwmgr_func->dynamic_state_management_disable(hwmgr);
} else {
ret = phm_dispatch_table(hwmgr,
&(hwmgr->disable_dynamic_state_management),
NULL, NULL);
}
enabled = ret == 0 ? false : true;
cgs_notify_dpm_enabled(hwmgr->device, enabled);
return ret;
}
int phm_force_dpm_levels(struct pp_hwmgr *hwmgr, enum amd_dpm_forced_level level)
{
PHM_FUNC_CHECK(hwmgr);

1
drivers/gpu/drm/amd/powerplay/inc/hardwaremanager.h
View File

@ -340,6 +340,7 @@ extern int phm_powergate_vce(struct pp_hwmgr *hwmgr, bool gate);
extern int phm_powerdown_uvd(struct pp_hwmgr *hwmgr);
extern int phm_setup_asic(struct pp_hwmgr *hwmgr);
extern int phm_enable_dynamic_state_management(struct pp_hwmgr *hwmgr);
extern int phm_disable_dynamic_state_management(struct pp_hwmgr *hwmgr);
extern void phm_init_dynamic_caps(struct pp_hwmgr *hwmgr);
extern bool phm_is_hw_access_blocked(struct pp_hwmgr *hwmgr);
extern int phm_block_hw_access(struct pp_hwmgr *hwmgr, bool block);

2
drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
View File

@ -278,6 +278,8 @@ struct pp_hwmgr_func {
int (*dynamic_state_management_enable)(
struct pp_hwmgr *hw_mgr);
int (*dynamic_state_management_disable)(
struct pp_hwmgr *hw_mgr);
int (*patch_boot_state)(struct pp_hwmgr *hwmgr,
struct pp_hw_power_state *hw_ps);