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Commit 7df48927 authored by Eric Huang's avatar Eric Huang Committed by Alex Deucher
Browse files

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



Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Acked-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarEric Huang <JinHuiEric.Huang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 65f85e7d

drivers/gpu/drm/amd/powerplay/hwmgr/ellesmere_clockpowergating.c

+28 −0
Original line number Diff line number Diff line
@@ -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);

}

drivers/gpu/drm/amd/powerplay/hwmgr/ellesmere_clockpowergating.h

+1 −0
Original line number Diff line number Diff line
@@ -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_ */

drivers/gpu/drm/amd/powerplay/hwmgr/ellesmere_hwmgr.c

+5 −0
Original line number Diff line number Diff line
@@ -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)