diff options
| author | Eric Huang <JinHuiEric.Huang@amd.com> | 2016-03-11 14:53:39 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-03-23 12:39:16 -0400 |
| commit | 9152d8b2d8fc73008da739f02c93883acc44675b (patch) | |
| tree | 5e0f030879f9acf81a7f2176e2a6c8967a542b6b | |
| parent | 4d2dd109dd3b796fecc30663b2dec5b5f1bc456f (diff) | |
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>
3 files changed, 34 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/ellesmere_clockpowergating.c b/drivers/gpu/drm/amd/powerplay/hwmgr/ellesmere_clockpowergating.c index a94f6a8e88a2..93db8241a154 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/ellesmere_clockpowergating.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/ellesmere_clockpowergating.c @@ -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); +} diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/ellesmere_clockpowergating.h b/drivers/gpu/drm/amd/powerplay/hwmgr/ellesmere_clockpowergating.h index a90577eca6a7..b403e1112f04 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/ellesmere_clockpowergating.h +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/ellesmere_clockpowergating.h @@ -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_ */ diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/ellesmere_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/ellesmere_hwmgr.c index c87d5ef21361..152d77d8d3fc 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/ellesmere_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/ellesmere_hwmgr.c @@ -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) |