Commit 7fc83cd0 authored by Kenneth Feng's avatar Kenneth Feng Committed by Alex Deucher
Browse files

drm/amd/pm: support BAMACO reset on smu_v13_0_7 



support BAMACO reset on smu_v13_0_7, take BAMACO as a subset of BACO
for the low latency, and it only happens on specific platforms.

Signed-off-by: default avatarKenneth Feng <kenneth.feng@amd.com>
Reviewed-by: default avatarYang Wang <kevinyang.wang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 5d6ec040

drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h

+1 −0
Original line number Diff line number Diff line
@@ -432,6 +432,7 @@ struct smu_baco_context 
{

	uint32_t state;

	bool platform_support;

	bool maco_support;

};



struct smu_freq_info {

drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c

+55 −2
Original line number Diff line number Diff line
@@ -303,6 +303,8 @@ static int smu_v13_0_7_check_powerplay_table(struct smu_context *smu) 
	struct smu_13_0_7_powerplay_table *powerplay_table =

		table_context->power_play_table;

	struct smu_baco_context *smu_baco = &smu->smu_baco;

	PPTable_t *smc_pptable = table_context->driver_pptable;

	BoardTable_t *BoardTable = &smc_pptable->BoardTable;



	if (powerplay_table->platform_caps & SMU_13_0_7_PP_PLATFORM_CAP_HARDWAREDC)

		smu->dc_controlled_by_gpio = true;
@@ -311,6 +313,9 @@ static int smu_v13_0_7_check_powerplay_table(struct smu_context *smu) 
	    powerplay_table->platform_caps & SMU_13_0_7_PP_PLATFORM_CAP_MACO)

		smu_baco->platform_support = true;



	if (smu_baco->platform_support && (BoardTable->HsrEnabled || BoardTable->VddqOffEnabled))

		smu_baco->maco_support = true;



	table_context->thermal_controller_type =

		powerplay_table->thermal_controller_type;
@@ -1537,6 +1542,54 @@ static int smu_v13_0_7_set_power_profile_mode(struct smu_context *smu, long *inp 
	return ret;

}



static int smu_v13_0_7_baco_set_state(struct smu_context *smu,

			     enum smu_baco_state state)

{

	struct smu_baco_context *smu_baco = &smu->smu_baco;

	struct amdgpu_device *adev = smu->adev;

	bool is_maco_support = smu_baco->maco_support;

	int ret;



	if (smu_v13_0_baco_get_state(smu) == state)

		return 0;



	if (state == SMU_BACO_STATE_ENTER) {

		ret = smu_cmn_send_smc_msg_with_param(smu,

						      SMU_MSG_EnterBaco,

						      (is_maco_support ? 2 : 0),

						      NULL);

	} else {

		ret = smu_cmn_send_smc_msg(smu,

					   SMU_MSG_ExitBaco,

					   NULL);

		if (ret)

			return ret;



		/* clear vbios scratch 6 and 7 for coming asic reinit */

		WREG32(adev->bios_scratch_reg_offset + 6, 0);

		WREG32(adev->bios_scratch_reg_offset + 7, 0);

	}



	if (!ret)

		smu_baco->state = state;



	return ret;

}



static int smu_v13_0_7_baco_enter(struct smu_context *smu)

{

	int ret = 0;



	ret = smu_v13_0_7_baco_set_state(smu,

				       SMU_BACO_STATE_ENTER);

	if (ret)

		return ret;



	msleep(10);



	return ret;

}



static const struct pptable_funcs smu_v13_0_7_ppt_funcs = {

	.get_allowed_feature_mask = smu_v13_0_7_get_allowed_feature_mask,

	.set_default_dpm_table = smu_v13_0_7_set_default_dpm_table,
@@ -1591,8 +1644,8 @@ static const struct pptable_funcs smu_v13_0_7_ppt_funcs = { 
	.set_pp_feature_mask = smu_cmn_set_pp_feature_mask,

	.baco_is_support = smu_v13_0_baco_is_support,

	.baco_get_state = smu_v13_0_baco_get_state,

	.baco_set_state = smu_v13_0_baco_set_state,

	.baco_enter = smu_v13_0_baco_enter,

	.baco_set_state = smu_v13_0_7_baco_set_state,

	.baco_enter = smu_v13_0_7_baco_enter,

	.baco_exit = smu_v13_0_baco_exit,

};