Commit 40bea02f authored by Rex Zhu's avatar Rex Zhu Committed by Alex Deucher
Browse files

drm/amd/pp: Expose the smu support for SDMA PG cntl 



SDMA IP can be power up/down via smu message

Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarRex Zhu <Rex.Zhu@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent c52dcf49

drivers/gpu/drm/amd/powerplay/amd_powerplay.c

+18 −0
Original line number Diff line number Diff line
@@ -1196,6 +1196,21 @@ static void pp_dpm_powergate_acp(void *handle, bool gate) 
	hwmgr->hwmgr_func->powergate_acp(hwmgr, gate);

}



static void pp_dpm_powergate_sdma(void *handle, bool gate)

{

	struct pp_hwmgr *hwmgr = handle;



	if (!hwmgr)

		return;



	if (hwmgr->hwmgr_func->powergate_sdma == NULL) {

		pr_info("%s was not implemented.\n", __func__);

		return;

	}



	hwmgr->hwmgr_func->powergate_sdma(hwmgr, gate);

}



static int pp_set_powergating_by_smu(void *handle,

				uint32_t block_type, bool gate)

{
@@ -1218,6 +1233,9 @@ static int pp_set_powergating_by_smu(void *handle, 
	case AMD_IP_BLOCK_TYPE_ACP:

		pp_dpm_powergate_acp(handle, gate);

		break;

	case AMD_IP_BLOCK_TYPE_SDMA:

		pp_dpm_powergate_sdma(handle, gate);

		break;

	default:

		break;

	}

drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c

+8 −0
Original line number Diff line number Diff line
@@ -1153,6 +1153,14 @@ static int smu10_powergate_mmhub(struct pp_hwmgr *hwmgr) 
	return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_PowerGateMmHub);

}



static int smu10_powergate_sdma(struct pp_hwmgr *hwmgr, bool gate)

{

	if (gate)

		return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_PowerDownSdma);

	else

		return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_PowerUpSdma);

}



static void smu10_powergate_vcn(struct pp_hwmgr *hwmgr, bool bgate)

{

	if (bgate) {

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

+1 −0
Original line number Diff line number Diff line
@@ -328,6 +328,7 @@ struct pp_hwmgr_func { 
	int (*set_power_limit)(struct pp_hwmgr *hwmgr, uint32_t n);

	int (*powergate_mmhub)(struct pp_hwmgr *hwmgr);

	int (*smus_notify_pwe)(struct pp_hwmgr *hwmgr);

	int (*powergate_sdma)(struct pp_hwmgr *hwmgr, bool bgate);

	int (*enable_mgpu_fan_boost)(struct pp_hwmgr *hwmgr);

};