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drm/amd/powerplay: add GFX per cu powergating for Baffin 

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Christian König <christian.koenig@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 2016-03-11 14:53:39 -05:00 committed by Alex Deucher
parent 65f85e7d82
commit 7df48927b2
3 changed files with 34 additions and 0 deletions
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28
drivers/gpu/drm/amd/powerplay/hwmgr/ellesmere_clockpowergating.c
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@ -398,3 +398,31 @@ int ellesmere_phm_update_clock_gatings(struct pp_hwmgr *hwmgr,
return 0;
}
/* This function is for Baffin only for now,
* Powerplay will only control the static per CU Power Gating.
* Dynamic per CU Power Gating will be done in gfx.
*/
int ellesmere_phm_enable_per_cu_power_gating(struct pp_hwmgr *hwmgr, bool enable)
{
struct cgs_system_info sys_info = {0};
uint32_t active_cus;
int result;
sys_info.size = sizeof(struct cgs_system_info);
sys_info.info_id = CGS_SYSTEM_INFO_GFX_CU_INFO;
result = cgs_query_system_info(hwmgr->device, &sys_info);
if (result)
return -EINVAL;
else
active_cus = sys_info.value;
if (enable)
return smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
PPSMC_MSG_GFX_CU_PG_ENABLE, active_cus);
else
return smum_send_msg_to_smc(hwmgr->smumgr,
PPSMC_MSG_GFX_CU_PG_DISABLE);
}

1
drivers/gpu/drm/amd/powerplay/hwmgr/ellesmere_clockpowergating.h
View File

@ -35,5 +35,6 @@ int ellesmere_phm_powergate_acp(struct pp_hwmgr *hwmgr, bool bgate);
int ellesmere_phm_disable_clock_power_gating(struct pp_hwmgr *hwmgr);
int ellesmere_phm_update_clock_gatings(struct pp_hwmgr *hwmgr,
const uint32_t *msg_id);
int ellesmere_phm_enable_per_cu_power_gating(struct pp_hwmgr *hwmgr, bool enable);
#endif /* _ELLESMERE_CLOCK_POWER_GATING_H_ */

5
drivers/gpu/drm/amd/powerplay/hwmgr/ellesmere_hwmgr.c
View File

@ -4687,6 +4687,11 @@ static const struct pp_hwmgr_func ellesmere_hwmgr_funcs = {
.register_internal_thermal_interrupt = ellesmere_register_internal_thermal_interrupt,
.check_smc_update_required_for_display_configuration = ellesmere_check_smc_update_required_for_display_configuration,
.check_states_equal = ellesmere_check_states_equal,
.get_pp_table = ellesmere_get_pp_table,
.set_pp_table = ellesmere_set_pp_table,
.force_clock_level = ellesmere_force_clock_level,
.print_clock_levels = ellesmere_print_clock_levels,
.enable_per_cu_power_gating = ellesmere_phm_enable_per_cu_power_gating,
};
int ellesemere_hwmgr_init(struct pp_hwmgr *hwmgr)