amdgpu_smu.c 42.1 KB
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/*
 * Copyright 2019 Advanced Micro Devices, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */

#include <linux/firmware.h>
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#include "pp_debug.h"
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#include "amdgpu.h"
#include "amdgpu_smu.h"
#include "soc15_common.h"
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#include "smu_v11_0.h"
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#include "smu_v12_0.h"
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#include "atom.h"
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#include "amd_pcie.h"
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#undef __SMU_DUMMY_MAP
#define __SMU_DUMMY_MAP(type)	#type
static const char* __smu_message_names[] = {
	SMU_MESSAGE_TYPES
};

const char *smu_get_message_name(struct smu_context *smu, enum smu_message_type type)
{
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	if (type < 0 || type >= SMU_MSG_MAX_COUNT)
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		return "unknown smu message";
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	return __smu_message_names[type];
}

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#undef __SMU_DUMMY_MAP
#define __SMU_DUMMY_MAP(fea)	#fea
static const char* __smu_feature_names[] = {
	SMU_FEATURE_MASKS
};

const char *smu_get_feature_name(struct smu_context *smu, enum smu_feature_mask feature)
{
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	if (feature < 0 || feature >= SMU_FEATURE_COUNT)
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		return "unknown smu feature";
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	return __smu_feature_names[feature];
}

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size_t smu_sys_get_pp_feature_mask(struct smu_context *smu, char *buf)
{
	size_t size = 0;
	int ret = 0, i = 0;
	uint32_t feature_mask[2] = { 0 };
	int32_t feature_index = 0;
	uint32_t count = 0;
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	uint32_t sort_feature[SMU_FEATURE_COUNT];
	uint64_t hw_feature_count = 0;
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	ret = smu_feature_get_enabled_mask(smu, feature_mask, 2);
	if (ret)
		goto failed;

	size =  sprintf(buf + size, "features high: 0x%08x low: 0x%08x\n",
			feature_mask[1], feature_mask[0]);

	for (i = 0; i < SMU_FEATURE_COUNT; i++) {
		feature_index = smu_feature_get_index(smu, i);
		if (feature_index < 0)
			continue;
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		sort_feature[feature_index] = i;
		hw_feature_count++;
	}

	for (i = 0; i < hw_feature_count; i++) {
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		size += sprintf(buf + size, "%02d. %-20s (%2d) : %s\n",
			       count++,
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			       smu_get_feature_name(smu, sort_feature[i]),
			       i,
			       !!smu_feature_is_enabled(smu, sort_feature[i]) ?
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			       "enabled" : "disabled");
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	}

failed:
	return size;
}

int smu_sys_set_pp_feature_mask(struct smu_context *smu, uint64_t new_mask)
{
	int ret = 0;
	uint32_t feature_mask[2] = { 0 };
	uint64_t feature_2_enabled = 0;
	uint64_t feature_2_disabled = 0;
	uint64_t feature_enables = 0;

	ret = smu_feature_get_enabled_mask(smu, feature_mask, 2);
	if (ret)
		return ret;

	feature_enables = ((uint64_t)feature_mask[1] << 32 | (uint64_t)feature_mask[0]);

	feature_2_enabled  = ~feature_enables & new_mask;
	feature_2_disabled = feature_enables & ~new_mask;

	if (feature_2_enabled) {
		ret = smu_feature_update_enable_state(smu, feature_2_enabled, true);
		if (ret)
			return ret;
	}
	if (feature_2_disabled) {
		ret = smu_feature_update_enable_state(smu, feature_2_disabled, false);
		if (ret)
			return ret;
	}

	return ret;
}

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int smu_get_smc_version(struct smu_context *smu, uint32_t *if_version, uint32_t *smu_version)
{
	int ret = 0;

	if (!if_version && !smu_version)
		return -EINVAL;

	if (if_version) {
		ret = smu_send_smc_msg(smu, SMU_MSG_GetDriverIfVersion);
		if (ret)
			return ret;

		ret = smu_read_smc_arg(smu, if_version);
		if (ret)
			return ret;
	}

	if (smu_version) {
		ret = smu_send_smc_msg(smu, SMU_MSG_GetSmuVersion);
		if (ret)
			return ret;

		ret = smu_read_smc_arg(smu, smu_version);
		if (ret)
			return ret;
	}

	return ret;
}

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int smu_set_soft_freq_range(struct smu_context *smu, enum smu_clk_type clk_type,
			    uint32_t min, uint32_t max)
{
	int ret = 0, clk_id = 0;
	uint32_t param;

	if (min <= 0 && max <= 0)
		return -EINVAL;

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	if (!smu_clk_dpm_is_enabled(smu, clk_type))
		return 0;

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	clk_id = smu_clk_get_index(smu, clk_type);
	if (clk_id < 0)
		return clk_id;

	if (max > 0) {
		param = (uint32_t)((clk_id << 16) | (max & 0xffff));
		ret = smu_send_smc_msg_with_param(smu, SMU_MSG_SetSoftMaxByFreq,
						  param);
		if (ret)
			return ret;
	}

	if (min > 0) {
		param = (uint32_t)((clk_id << 16) | (min & 0xffff));
		ret = smu_send_smc_msg_with_param(smu, SMU_MSG_SetSoftMinByFreq,
						  param);
		if (ret)
			return ret;
	}


	return ret;
}

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int smu_set_hard_freq_range(struct smu_context *smu, enum smu_clk_type clk_type,
			    uint32_t min, uint32_t max)
{
	int ret = 0, clk_id = 0;
	uint32_t param;

	if (min <= 0 && max <= 0)
		return -EINVAL;

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	if (!smu_clk_dpm_is_enabled(smu, clk_type))
		return 0;

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	clk_id = smu_clk_get_index(smu, clk_type);
	if (clk_id < 0)
		return clk_id;

	if (max > 0) {
		param = (uint32_t)((clk_id << 16) | (max & 0xffff));
		ret = smu_send_smc_msg_with_param(smu, SMU_MSG_SetHardMaxByFreq,
						  param);
		if (ret)
			return ret;
	}

	if (min > 0) {
		param = (uint32_t)((clk_id << 16) | (min & 0xffff));
		ret = smu_send_smc_msg_with_param(smu, SMU_MSG_SetHardMinByFreq,
						  param);
		if (ret)
			return ret;
	}


	return ret;
}

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int smu_get_dpm_freq_range(struct smu_context *smu, enum smu_clk_type clk_type,
			   uint32_t *min, uint32_t *max)
{
	int ret = 0, clk_id = 0;
	uint32_t param = 0;
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	uint32_t clock_limit;
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	if (!min && !max)
		return -EINVAL;

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	if (!smu_clk_dpm_is_enabled(smu, clk_type)) {
		switch (clk_type) {
		case SMU_MCLK:
		case SMU_UCLK:
			clock_limit = smu->smu_table.boot_values.uclk;
			break;
		case SMU_GFXCLK:
		case SMU_SCLK:
			clock_limit = smu->smu_table.boot_values.gfxclk;
			break;
		case SMU_SOCCLK:
			clock_limit = smu->smu_table.boot_values.socclk;
			break;
		default:
			clock_limit = 0;
			break;
		}

		/* clock in Mhz unit */
		if (min)
			*min = clock_limit / 100;
		if (max)
			*max = clock_limit / 100;

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		return 0;
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	}
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	mutex_lock(&smu->mutex);
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	clk_id = smu_clk_get_index(smu, clk_type);
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	if (clk_id < 0) {
		ret = -EINVAL;
		goto failed;
	}
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	param = (clk_id & 0xffff) << 16;

	if (max) {
		ret = smu_send_smc_msg_with_param(smu, SMU_MSG_GetMaxDpmFreq, param);
		if (ret)
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			goto failed;
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		ret = smu_read_smc_arg(smu, max);
		if (ret)
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			goto failed;
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	}

	if (min) {
		ret = smu_send_smc_msg_with_param(smu, SMU_MSG_GetMinDpmFreq, param);
		if (ret)
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			goto failed;
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		ret = smu_read_smc_arg(smu, min);
		if (ret)
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			goto failed;
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	}

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failed:
	mutex_unlock(&smu->mutex);
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	return ret;
}

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int smu_get_dpm_freq_by_index(struct smu_context *smu, enum smu_clk_type clk_type,
			      uint16_t level, uint32_t *value)
{
	int ret = 0, clk_id = 0;
	uint32_t param;

	if (!value)
		return -EINVAL;

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	if (!smu_clk_dpm_is_enabled(smu, clk_type))
		return 0;

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	clk_id = smu_clk_get_index(smu, clk_type);
	if (clk_id < 0)
		return clk_id;

	param = (uint32_t)(((clk_id & 0xffff) << 16) | (level & 0xffff));

	ret = smu_send_smc_msg_with_param(smu,SMU_MSG_GetDpmFreqByIndex,
					  param);
	if (ret)
		return ret;

	ret = smu_read_smc_arg(smu, &param);
	if (ret)
		return ret;

	/* BIT31:  0 - Fine grained DPM, 1 - Dicrete DPM
	 * now, we un-support it */
	*value = param & 0x7fffffff;

	return ret;
}

int smu_get_dpm_level_count(struct smu_context *smu, enum smu_clk_type clk_type,
			    uint32_t *value)
{
	return smu_get_dpm_freq_by_index(smu, clk_type, 0xff, value);
}

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bool smu_clk_dpm_is_enabled(struct smu_context *smu, enum smu_clk_type clk_type)
{
	enum smu_feature_mask feature_id = 0;

	switch (clk_type) {
	case SMU_MCLK:
	case SMU_UCLK:
		feature_id = SMU_FEATURE_DPM_UCLK_BIT;
		break;
	case SMU_GFXCLK:
	case SMU_SCLK:
		feature_id = SMU_FEATURE_DPM_GFXCLK_BIT;
		break;
	case SMU_SOCCLK:
		feature_id = SMU_FEATURE_DPM_SOCCLK_BIT;
		break;
	default:
		return true;
	}

	if(!smu_feature_is_enabled(smu, feature_id)) {
		return false;
	}

	return true;
}


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int smu_dpm_set_power_gate(struct smu_context *smu, uint32_t block_type,
			   bool gate)
{
	int ret = 0;

	switch (block_type) {
	case AMD_IP_BLOCK_TYPE_UVD:
		ret = smu_dpm_set_uvd_enable(smu, gate);
		break;
	case AMD_IP_BLOCK_TYPE_VCE:
		ret = smu_dpm_set_vce_enable(smu, gate);
		break;
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	case AMD_IP_BLOCK_TYPE_GFX:
		ret = smu_gfx_off_control(smu, gate);
		break;
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	default:
		break;
	}

	return ret;
}

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enum amd_pm_state_type smu_get_current_power_state(struct smu_context *smu)
{
	/* not support power state */
	return POWER_STATE_TYPE_DEFAULT;
}

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int smu_get_power_num_states(struct smu_context *smu,
			     struct pp_states_info *state_info)
{
	if (!state_info)
		return -EINVAL;

	/* not support power state */
	memset(state_info, 0, sizeof(struct pp_states_info));
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	state_info->nums = 1;
	state_info->states[0] = POWER_STATE_TYPE_DEFAULT;
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	return 0;
}

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int smu_common_read_sensor(struct smu_context *smu, enum amd_pp_sensors sensor,
			   void *data, uint32_t *size)
{
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	struct smu_power_context *smu_power = &smu->smu_power;
	struct smu_power_gate *power_gate = &smu_power->power_gate;
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	int ret = 0;

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	if(!data || !size)
		return -EINVAL;

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	switch (sensor) {
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	case AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK:
		*((uint32_t *)data) = smu->pstate_sclk;
		*size = 4;
		break;
	case AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK:
		*((uint32_t *)data) = smu->pstate_mclk;
		*size = 4;
		break;
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	case AMDGPU_PP_SENSOR_ENABLED_SMC_FEATURES_MASK:
		ret = smu_feature_get_enabled_mask(smu, (uint32_t *)data, 2);
		*size = 8;
		break;
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	case AMDGPU_PP_SENSOR_UVD_POWER:
		*(uint32_t *)data = smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UVD_BIT) ? 1 : 0;
		*size = 4;
		break;
	case AMDGPU_PP_SENSOR_VCE_POWER:
		*(uint32_t *)data = smu_feature_is_enabled(smu, SMU_FEATURE_DPM_VCE_BIT) ? 1 : 0;
		*size = 4;
		break;
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	case AMDGPU_PP_SENSOR_VCN_POWER_STATE:
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		*(uint32_t *)data = power_gate->vcn_gated ? 0 : 1;
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		*size = 4;
		break;
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	default:
		ret = -EINVAL;
		break;
	}

	if (ret)
		*size = 0;

	return ret;
}

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int smu_update_table(struct smu_context *smu, enum smu_table_id table_index, int argument,
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		     void *table_data, bool drv2smu)
{
	struct smu_table_context *smu_table = &smu->smu_table;
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	struct amdgpu_device *adev = smu->adev;
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	struct smu_table *table = NULL;
	int ret = 0;
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	int table_id = smu_table_get_index(smu, table_index);
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	if (!table_data || table_id >= smu_table->table_count || table_id < 0)
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		return -EINVAL;

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	table = &smu_table->tables[table_index];
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	if (drv2smu)
		memcpy(table->cpu_addr, table_data, table->size);

	ret = smu_send_smc_msg_with_param(smu, SMU_MSG_SetDriverDramAddrHigh,
					  upper_32_bits(table->mc_address));
	if (ret)
		return ret;
	ret = smu_send_smc_msg_with_param(smu, SMU_MSG_SetDriverDramAddrLow,
					  lower_32_bits(table->mc_address));
	if (ret)
		return ret;
	ret = smu_send_smc_msg_with_param(smu, drv2smu ?
					  SMU_MSG_TransferTableDram2Smu :
					  SMU_MSG_TransferTableSmu2Dram,
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					  table_id | ((argument & 0xFFFF) << 16));
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	if (ret)
		return ret;

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	/* flush hdp cache */
	adev->nbio_funcs->hdp_flush(adev, NULL);

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	if (!drv2smu)
		memcpy(table_data, table->cpu_addr, table->size);

	return ret;
}

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bool is_support_sw_smu(struct amdgpu_device *adev)
{
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	if (adev->asic_type == CHIP_VEGA20)
		return (amdgpu_dpm == 2) ? true : false;
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	else if (adev->asic_type >= CHIP_ARCTURUS)
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		return true;
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	else
		return false;
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}

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bool is_support_sw_smu_xgmi(struct amdgpu_device *adev)
{
	if (amdgpu_dpm != 1)
		return false;

	if (adev->asic_type == CHIP_VEGA20)
		return true;

	return false;
}

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int smu_sys_get_pp_table(struct smu_context *smu, void **table)
{
	struct smu_table_context *smu_table = &smu->smu_table;

	if (!smu_table->power_play_table && !smu_table->hardcode_pptable)
		return -EINVAL;

	if (smu_table->hardcode_pptable)
		*table = smu_table->hardcode_pptable;
	else
		*table = smu_table->power_play_table;

	return smu_table->power_play_table_size;
}

int smu_sys_set_pp_table(struct smu_context *smu,  void *buf, size_t size)
{
	struct smu_table_context *smu_table = &smu->smu_table;
	ATOM_COMMON_TABLE_HEADER *header = (ATOM_COMMON_TABLE_HEADER *)buf;
	int ret = 0;

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	if (!smu->pm_enabled)
		return -EINVAL;
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	if (header->usStructureSize != size) {
		pr_err("pp table size not matched !\n");
		return -EIO;
	}

	mutex_lock(&smu->mutex);
	if (!smu_table->hardcode_pptable)
		smu_table->hardcode_pptable = kzalloc(size, GFP_KERNEL);
	if (!smu_table->hardcode_pptable) {
		ret = -ENOMEM;
		goto failed;
	}

	memcpy(smu_table->hardcode_pptable, buf, size);
	smu_table->power_play_table = smu_table->hardcode_pptable;
	smu_table->power_play_table_size = size;
	mutex_unlock(&smu->mutex);

	ret = smu_reset(smu);
	if (ret)
		pr_info("smu reset failed, ret = %d\n", ret);

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	return ret;

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failed:
	mutex_unlock(&smu->mutex);
	return ret;
}

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int smu_feature_init_dpm(struct smu_context *smu)
{
	struct smu_feature *feature = &smu->smu_feature;
	int ret = 0;
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	uint32_t allowed_feature_mask[SMU_FEATURE_MAX/32];
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	if (!smu->pm_enabled)
		return ret;
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	mutex_lock(&feature->mutex);
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	bitmap_zero(feature->allowed, SMU_FEATURE_MAX);
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	mutex_unlock(&feature->mutex);
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	ret = smu_get_allowed_feature_mask(smu, allowed_feature_mask,
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					     SMU_FEATURE_MAX/32);
	if (ret)
		return ret;

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	mutex_lock(&feature->mutex);
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	bitmap_or(feature->allowed, feature->allowed,
		      (unsigned long *)allowed_feature_mask,
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		      feature->feature_num);
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	mutex_unlock(&feature->mutex);
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	return ret;
}
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int smu_feature_update_enable_state(struct smu_context *smu, uint64_t feature_mask, bool enabled)
{
	uint32_t feature_low = 0, feature_high = 0;
	int ret = 0;

	if (!smu->pm_enabled)
		return ret;

	feature_low = (feature_mask >> 0 ) & 0xffffffff;
	feature_high = (feature_mask >> 32) & 0xffffffff;

	if (enabled) {
		ret = smu_send_smc_msg_with_param(smu, SMU_MSG_EnableSmuFeaturesLow,
						  feature_low);
		if (ret)
			return ret;
		ret = smu_send_smc_msg_with_param(smu, SMU_MSG_EnableSmuFeaturesHigh,
						  feature_high);
		if (ret)
			return ret;

	} else {
		ret = smu_send_smc_msg_with_param(smu, SMU_MSG_DisableSmuFeaturesLow,
						  feature_low);
		if (ret)
			return ret;
		ret = smu_send_smc_msg_with_param(smu, SMU_MSG_DisableSmuFeaturesHigh,
						  feature_high);
		if (ret)
			return ret;

	}

	return ret;
}
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int smu_feature_is_enabled(struct smu_context *smu, enum smu_feature_mask mask)
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{
	struct smu_feature *feature = &smu->smu_feature;
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	int feature_id;
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	int ret = 0;

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	feature_id = smu_feature_get_index(smu, mask);
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	if (feature_id < 0)
		return 0;
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	WARN_ON(feature_id > feature->feature_num);
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	mutex_lock(&feature->mutex);
	ret = test_bit(feature_id, feature->enabled);
	mutex_unlock(&feature->mutex);

	return ret;
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}

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int smu_feature_set_enabled(struct smu_context *smu, enum smu_feature_mask mask,
			    bool enable)
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{
	struct smu_feature *feature = &smu->smu_feature;
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	int feature_id;
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	uint64_t feature_mask = 0;
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	int ret = 0;

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	feature_id = smu_feature_get_index(smu, mask);
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	if (feature_id < 0)
		return -EINVAL;
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	WARN_ON(feature_id > feature->feature_num);
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	feature_mask = 1ULL << feature_id;

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	mutex_lock(&feature->mutex);
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	ret = smu_feature_update_enable_state(smu, feature_mask, enable);
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	if (ret)
		goto failed;

671 672 673 674
	if (enable)
		test_and_set_bit(feature_id, feature->enabled);
	else
		test_and_clear_bit(feature_id, feature->enabled);
675 676 677 678 679

failed:
	mutex_unlock(&feature->mutex);

	return ret;
680 681
}

682
int smu_feature_is_supported(struct smu_context *smu, enum smu_feature_mask mask)
683 684
{
	struct smu_feature *feature = &smu->smu_feature;
685
	int feature_id;
686 687
	int ret = 0;

688
	feature_id = smu_feature_get_index(smu, mask);
689 690
	if (feature_id < 0)
		return 0;
691

692
	WARN_ON(feature_id > feature->feature_num);
693 694 695 696 697 698

	mutex_lock(&feature->mutex);
	ret = test_bit(feature_id, feature->supported);
	mutex_unlock(&feature->mutex);

	return ret;
699 700
}

701 702
int smu_feature_set_supported(struct smu_context *smu,
			      enum smu_feature_mask mask,
703 704 705
			      bool enable)
{
	struct smu_feature *feature = &smu->smu_feature;
706
	int feature_id;
707 708
	int ret = 0;

709
	feature_id = smu_feature_get_index(smu, mask);
710 711
	if (feature_id < 0)
		return -EINVAL;
712

713
	WARN_ON(feature_id > feature->feature_num);
714

715
	mutex_lock(&feature->mutex);
716 717 718 719
	if (enable)
		test_and_set_bit(feature_id, feature->supported);
	else
		test_and_clear_bit(feature_id, feature->supported);
720 721 722
	mutex_unlock(&feature->mutex);

	return ret;
723 724
}

725 726
static int smu_set_funcs(struct amdgpu_device *adev)
{
727 728 729 730
	struct smu_context *smu = &adev->smu;

	switch (adev->asic_type) {
	case CHIP_VEGA20:
731
	case CHIP_NAVI10:
732
	case CHIP_NAVI14:
733
	case CHIP_NAVI12:
734
	case CHIP_ARCTURUS:
735 736
		if (adev->pm.pp_feature & PP_OVERDRIVE_MASK)
			smu->od_enabled = true;
737 738
		smu_v11_0_set_smu_funcs(smu);
		break;
739 740 741 742 743 744
	case CHIP_RENOIR:
		adev->pm.pp_feature &= ~PP_GFXOFF_MASK;
		if (adev->pm.pp_feature & PP_OVERDRIVE_MASK)
			smu->od_enabled = true;
		smu_v12_0_set_smu_funcs(smu);
		break;
745 746 747 748
	default:
		return -EINVAL;
	}

749 750 751 752 753 754 755 756 757
	return 0;
}

static int smu_early_init(void *handle)
{
	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
	struct smu_context *smu = &adev->smu;

	smu->adev = adev;
758
	smu->pm_enabled = !!amdgpu_dpm;
759 760
	mutex_init(&smu->mutex);

761
	return smu_set_funcs(adev);
762 763
}

764 765 766 767
static int smu_late_init(void *handle)
{
	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
	struct smu_context *smu = &adev->smu;
768 769 770

	if (!smu->pm_enabled)
		return 0;
771 772 773 774 775 776 777 778 779
	mutex_lock(&smu->mutex);
	smu_handle_task(&adev->smu,
			smu->smu_dpm.dpm_level,
			AMD_PP_TASK_COMPLETE_INIT);
	mutex_unlock(&smu->mutex);

	return 0;
}

780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795
int smu_get_atom_data_table(struct smu_context *smu, uint32_t table,
			    uint16_t *size, uint8_t *frev, uint8_t *crev,
			    uint8_t **addr)
{
	struct amdgpu_device *adev = smu->adev;
	uint16_t data_start;

	if (!amdgpu_atom_parse_data_header(adev->mode_info.atom_context, table,
					   size, frev, crev, &data_start))
		return -EINVAL;

	*addr = (uint8_t *)adev->mode_info.atom_context->bios + data_start;

	return 0;
}

796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811
static int smu_initialize_pptable(struct smu_context *smu)
{
	/* TODO */
	return 0;
}

static int smu_smc_table_sw_init(struct smu_context *smu)
{
	int ret;

	ret = smu_initialize_pptable(smu);
	if (ret) {
		pr_err("Failed to init smu_initialize_pptable!\n");
		return ret;
	}

812 813 814 815 816 817 818 819 820 821
	/**
	 * Create smu_table structure, and init smc tables such as
	 * TABLE_PPTABLE, TABLE_WATERMARKS, TABLE_SMU_METRICS, and etc.
	 */
	ret = smu_init_smc_tables(smu);
	if (ret) {
		pr_err("Failed to init smc tables!\n");
		return ret;
	}

822 823 824 825 826 827 828 829 830 831
	/**
	 * Create smu_power_context structure, and allocate smu_dpm_context and
	 * context size to fill the smu_power_context data.
	 */
	ret = smu_init_power(smu);
	if (ret) {
		pr_err("Failed to init smu_init_power!\n");
		return ret;
	}

832 833 834
	return 0;
}

835 836 837 838 839 840 841 842 843 844 845 846 847
static int smu_smc_table_sw_fini(struct smu_context *smu)
{
	int ret;

	ret = smu_fini_smc_tables(smu);
	if (ret) {
		pr_err("Failed to smu_fini_smc_tables!\n");
		return ret;
	}

	return 0;
}

848 849 850 851 852 853
static int smu_sw_init(void *handle)
{
	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
	struct smu_context *smu = &adev->smu;
	int ret;

854
	smu->pool_size = adev->pm.smu_prv_buffer_size;
855
	smu->smu_feature.feature_num = SMU_FEATURE_MAX;
856
	mutex_init(&smu->smu_feature.mutex);
857 858 859
	bitmap_zero(smu->smu_feature.supported, SMU_FEATURE_MAX);
	bitmap_zero(smu->smu_feature.enabled, SMU_FEATURE_MAX);
	bitmap_zero(smu->smu_feature.allowed, SMU_FEATURE_MAX);
860 861 862 863 864

	mutex_init(&smu->smu_baco.mutex);
	smu->smu_baco.state = SMU_BACO_STATE_EXIT;
	smu->smu_baco.platform_support = false;

865
	smu->watermarks_bitmap = 0;
866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884
	smu->power_profile_mode = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;
	smu->default_power_profile_mode = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;

	smu->workload_mask = 1 << smu->workload_prority[PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT];
	smu->workload_prority[PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT] = 0;
	smu->workload_prority[PP_SMC_POWER_PROFILE_FULLSCREEN3D] = 1;
	smu->workload_prority[PP_SMC_POWER_PROFILE_POWERSAVING] = 2;
	smu->workload_prority[PP_SMC_POWER_PROFILE_VIDEO] = 3;
	smu->workload_prority[PP_SMC_POWER_PROFILE_VR] = 4;
	smu->workload_prority[PP_SMC_POWER_PROFILE_COMPUTE] = 5;
	smu->workload_prority[PP_SMC_POWER_PROFILE_CUSTOM] = 6;

	smu->workload_setting[0] = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;
	smu->workload_setting[1] = PP_SMC_POWER_PROFILE_FULLSCREEN3D;
	smu->workload_setting[2] = PP_SMC_POWER_PROFILE_POWERSAVING;
	smu->workload_setting[3] = PP_SMC_POWER_PROFILE_VIDEO;
	smu->workload_setting[4] = PP_SMC_POWER_PROFILE_VR;
	smu->workload_setting[5] = PP_SMC_POWER_PROFILE_COMPUTE;
	smu->workload_setting[6] = PP_SMC_POWER_PROFILE_CUSTOM;
885
	smu->display_config = &adev->pm.pm_display_cfg;
886

887 888
	smu->smu_dpm.dpm_level = AMD_DPM_FORCED_LEVEL_AUTO;
	smu->smu_dpm.requested_dpm_level = AMD_DPM_FORCED_LEVEL_AUTO;
889 890 891 892 893 894
	ret = smu_init_microcode(smu);
	if (ret) {
		pr_err("Failed to load smu firmware!\n");
		return ret;
	}

895 896 897 898 899 900
	ret = smu_smc_table_sw_init(smu);
	if (ret) {
		pr_err("Failed to sw init smc table!\n");
		return ret;
	}

901 902 903 904 905 906
	ret = smu_register_irq_handler(smu);
	if (ret) {
		pr_err("Failed to register smc irq handler!\n");
		return ret;
	}

907 908 909 910 911 912
	return 0;
}

static int smu_sw_fini(void *handle)
{
	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
913 914
	struct smu_context *smu = &adev->smu;
	int ret;
915

916 917 918
	kfree(smu->irq_source);
	smu->irq_source = NULL;

919 920 921 922 923 924
	ret = smu_smc_table_sw_fini(smu);
	if (ret) {
		pr_err("Failed to sw fini smc table!\n");
		return ret;
	}

925 926 927 928 929 930
	ret = smu_fini_power(smu);
	if (ret) {
		pr_err("Failed to init smu_fini_power!\n");
		return ret;
	}

931 932 933
	return 0;
}

934 935
static int smu_init_fb_allocations(struct smu_context *smu)
{
936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959
	struct amdgpu_device *adev = smu->adev;
	struct smu_table_context *smu_table = &smu->smu_table;
	struct smu_table *tables = smu_table->tables;
	uint32_t table_count = smu_table->table_count;
	uint32_t i = 0;
	int32_t ret = 0;

	if (table_count <= 0)
		return -EINVAL;

	for (i = 0 ; i < table_count; i++) {
		if (tables[i].size == 0)
			continue;
		ret = amdgpu_bo_create_kernel(adev,
					      tables[i].size,
					      tables[i].align,
					      tables[i].domain,
					      &tables[i].bo,
					      &tables[i].mc_address,
					      &tables[i].cpu_addr);
		if (ret)
			goto failed;
	}

960
	return 0;
961 962 963 964 965 966 967 968 969 970
failed:
	for (; i > 0; i--) {
		if (tables[i].size == 0)
			continue;
		amdgpu_bo_free_kernel(&tables[i].bo,
				      &tables[i].mc_address,
				      &tables[i].cpu_addr);

	}
	return ret;
971 972
}

973 974 975 976 977 978 979 980
static int smu_fini_fb_allocations(struct smu_context *smu)
{
	struct smu_table_context *smu_table = &smu->smu_table;
	struct smu_table *tables = smu_table->tables;
	uint32_t table_count = smu_table->table_count;
	uint32_t i = 0;

	if (table_count == 0 || tables == NULL)
981
		return 0;
982 983 984 985 986 987 988 989 990 991 992

	for (i = 0 ; i < table_count; i++) {
		if (tables[i].size == 0)
			continue;
		amdgpu_bo_free_kernel(&tables[i].bo,
				      &tables[i].mc_address,
				      &tables[i].cpu_addr);
	}

	return 0;
}
993

994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034
static int smu_override_pcie_parameters(struct smu_context *smu)
{
	struct amdgpu_device *adev = smu->adev;
	uint32_t pcie_gen = 0, pcie_width = 0, smu_pcie_arg;
	int ret;

	if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN4)
		pcie_gen = 3;
	else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)
		pcie_gen = 2;
	else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2)
		pcie_gen = 1;
	else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1)
		pcie_gen = 0;

	/* Bit 31:16: LCLK DPM level. 0 is DPM0, and 1 is DPM1
	 * Bit 15:8:  PCIE GEN, 0 to 3 corresponds to GEN1 to GEN4
	 * Bit 7:0:   PCIE lane width, 1 to 7 corresponds is x1 to x32
	 */
	if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X16)
		pcie_width = 6;
	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X12)
		pcie_width = 5;
	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X8)
		pcie_width = 4;
	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X4)
		pcie_width = 3;
	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X2)
		pcie_width = 2;
	else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X1)
		pcie_width = 1;

	smu_pcie_arg = (1 << 16) | (pcie_gen << 8) | pcie_width;
	ret = smu_send_smc_msg_with_param(smu,
					  SMU_MSG_OverridePcieParameters,
					  smu_pcie_arg);
	if (ret)
		pr_err("[%s] Attempt to override pcie params failed!\n", __func__);
	return ret;
}

1035 1036
static int smu_smc_table_hw_init(struct smu_context *smu,
				 bool initialize)
1037
{
1038
	struct amdgpu_device *adev = smu->adev;
1039 1040
	int ret;

1041 1042 1043
	if (adev->flags & AMD_IS_APU)
		return 0;

1044 1045 1046 1047 1048
	if (smu_is_dpm_running(smu) && adev->in_suspend) {
		pr_info("dpm has been enabled\n");
		return 0;
	}

1049 1050 1051 1052 1053
	if (adev->asic_type != CHIP_ARCTURUS) {
		ret = smu_init_display_count(smu, 0);
		if (ret)
			return ret;
	}
1054

1055
	if (initialize) {
1056 1057
		/* get boot_values from vbios to set revision, gfxclk, and etc. */
		ret = smu_get_vbios_bootup_values(smu);
1058 1059
		if (ret)
			return ret;
1060

1061
		ret = smu_setup_pptable(smu);
1062 1063
		if (ret)
			return ret;
1064

1065 1066 1067 1068
		ret = smu_get_clk_info_from_vbios(smu);
		if (ret)
			return ret;

1069 1070 1071 1072 1073 1074 1075
		/*
		 * check if the format_revision in vbios is up to pptable header
		 * version, and the structure size is not 0.
		 */
		ret = smu_check_pptable(smu);
		if (ret)
			return ret;
1076

1077 1078 1079 1080 1081 1082
		/*
		 * allocate vram bos to store smc table contents.
		 */
		ret = smu_init_fb_allocations(smu);
		if (ret)
			return ret;
1083

1084 1085 1086 1087 1088 1089 1090 1091
		/*
		 * Parse pptable format and fill PPTable_t smc_pptable to
		 * smu_table_context structure. And read the smc_dpm_table from vbios,
		 * then fill it into smc_pptable.
		 */
		ret = smu_parse_pptable(smu);
		if (ret)
			return ret;
1092

1093 1094 1095 1096 1097 1098 1099 1100
		/*
		 * Send msg GetDriverIfVersion to check if the return value is equal
		 * with DRIVER_IF_VERSION of smc header.
		 */
		ret = smu_check_fw_version(smu);
		if (ret)
			return ret;
	}
1101

1102 1103
	/* smu_dump_pptable(smu); */

1104 1105 1106 1107 1108 1109 1110 1111
	/*
	 * Copy pptable bo in the vram to smc with SMU MSGs such as
	 * SetDriverDramAddr and TransferTableDram2Smu.
	 */
	ret = smu_write_pptable(smu);
	if (ret)
		return ret;

1112 1113 1114 1115 1116
	/* issue RunAfllBtc msg */
	ret = smu_run_afll_btc(smu);
	if (ret)
		return ret;

1117 1118 1119 1120
	ret = smu_feature_set_allowed_mask(smu);
	if (ret)
		return ret;

1121
	ret = smu_system_features_control(smu, true);
1122 1123 1124
	if (ret)
		return ret;

1125
	if (adev->asic_type != CHIP_ARCTURUS) {
1126 1127 1128 1129
		ret = smu_override_pcie_parameters(smu);
		if (ret)
			return ret;

1130 1131 1132
		ret = smu_notify_display_change(smu);
		if (ret)
			return ret;
1133

1134 1135 1136 1137 1138 1139 1140 1141
		/*
		 * Set min deep sleep dce fclk with bootup value from vbios via
		 * SetMinDeepSleepDcefclk MSG.
		 */
		ret = smu_set_min_dcef_deep_sleep(smu);
		if (ret)
			return ret;
	}
1142

1143 1144 1145 1146 1147
	/*
	 * Set initialized values (get from vbios) to dpm tables context such as
	 * gfxclk, memclk, dcefclk, and etc. And enable the DPM feature for each
	 * type of clks.
	 */
1148 1149 1150 1151
	if (initialize) {
		ret = smu_populate_smc_pptable(smu);
		if (ret)
			return ret;
1152

1153 1154 1155 1156
		ret = smu_init_max_sustainable_clocks(smu);
		if (ret)
			return ret;
	}
1157

1158
	ret = smu_set_default_od_settings(smu, initialize);
1159 1160 1161
	if (ret)
		return ret;

1162 1163 1164 1165
	if (initialize) {
		ret = smu_populate_umd_state_clk(smu);
		if (ret)
			return ret;
1166

1167
		ret = smu_get_power_limit(smu, &smu->default_power_limit, true);
1168 1169 1170
		if (ret)
			return ret;
	}
1171

1172 1173 1174 1175 1176
	/*
	 * Set PMSTATUSLOG table bo address with SetToolsDramAddr MSG for tools.
	 */
	ret = smu_set_tool_table_location(smu);

1177 1178 1179
	if (!smu_is_dpm_running(smu))
		pr_info("dpm has been disabled\n");

1180
	return ret;
1181 1182
}

1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194
/**
 * smu_alloc_memory_pool - allocate memory pool in the system memory
 *
 * @smu: amdgpu_device pointer
 *
 * This memory pool will be used for SMC use and msg SetSystemVirtualDramAddr
 * and DramLogSetDramAddr can notify it changed.
 *
 * Returns 0 on success, error on failure.
 */
static int smu_alloc_memory_pool(struct smu_context *smu)
{
1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225
	struct amdgpu_device *adev = smu->adev;
	struct smu_table_context *smu_table = &smu->smu_table;
	struct smu_table *memory_pool = &smu_table->memory_pool;
	uint64_t pool_size = smu->pool_size;
	int ret = 0;

	if (pool_size == SMU_MEMORY_POOL_SIZE_ZERO)
		return ret;

	memory_pool->size = pool_size;
	memory_pool->align = PAGE_SIZE;
	memory_pool->domain = AMDGPU_GEM_DOMAIN_GTT;

	switch (pool_size) {
	case SMU_MEMORY_POOL_SIZE_256_MB:
	case SMU_MEMORY_POOL_SIZE_512_MB:
	case SMU_MEMORY_POOL_SIZE_1_GB:
	case SMU_MEMORY_POOL_SIZE_2_GB:
		ret = amdgpu_bo_create_kernel(adev,
					      memory_pool->size,
					      memory_pool->align,
					      memory_pool->domain,
					      &memory_pool->bo,
					      &memory_pool->mc_address,
					      &memory_pool->cpu_addr);
		break;
	default:
		break;
	}

	return ret;
1226 1227
}

1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244
static int smu_free_memory_pool(struct smu_context *smu)
{
	struct smu_table_context *smu_table = &smu->smu_table;
	struct smu_table *memory_pool = &smu_table->memory_pool;
	int ret = 0;

	if (memory_pool->size == SMU_MEMORY_POOL_SIZE_ZERO)
		return ret;

	amdgpu_bo_free_kernel(&memory_pool->bo,
			      &memory_pool->mc_address,
			      &memory_pool->cpu_addr);

	memset(memory_pool, 0, sizeof(struct smu_table));

	return ret;
}
1245

1246 1247 1248 1249 1250 1251
static int smu_hw_init(void *handle)
{
	int ret;
	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
	struct smu_context *smu = &adev->smu;

1252 1253 1254 1255 1256
	if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
		if (adev->asic_type < CHIP_NAVI10) {
			ret = smu_load_microcode(smu);
			if (ret)
				return ret;
1257
		}
1258 1259
	}

1260 1261 1262 1263 1264 1265
	ret = smu_check_fw_status(smu);
	if (ret) {
		pr_err("SMC firmware status is not correct\n");
		return ret;
	}

1266 1267 1268
	if (adev->asic_type == CHIP_RENOIR)
		smu_powergate_sdma(&adev->smu, false);

1269 1270 1271
	if (!smu->pm_enabled)
		return 0;

1272 1273 1274 1275
	ret = smu_feature_init_dpm(smu);
	if (ret)
		goto failed;

1276
	ret = smu_smc_table_hw_init(smu, true);
1277 1278
	if (ret)
		goto failed;
1279

1280 1281 1282 1283
	ret = smu_alloc_memory_pool(smu);
	if (ret)
		goto failed;

1284 1285 1286 1287 1288 1289 1290 1291
	/*
	 * Use msg SetSystemVirtualDramAddr and DramLogSetDramAddr can notify
	 * pool location.
	 */
	ret = smu_notify_memory_pool_location(smu);
	if (ret)
		goto failed;

1292 1293 1294 1295
	ret = smu_start_thermal_control(smu);
	if (ret)
		goto failed;

1296 1297 1298
	if (!smu->pm_enabled)
		adev->pm.dpm_enabled = false;
	else
1299
		adev->pm.dpm_enabled = true;	/* TODO: will set dpm_enabled flag while VCN and DAL DPM is workable */
1300

1301 1302 1303
	pr_info("SMU is initialized successfully!\n");

	return 0;
1304 1305 1306

failed:
	return ret;
1307 1308 1309 1310 1311 1312
}

static int smu_hw_fini(void *handle)
{
	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
	struct smu_context *smu = &adev->smu;
1313
	struct smu_table_context *table_context = &smu->smu_table;
1314
	int ret = 0;
1315

1316 1317 1318
	if (adev->asic_type == CHIP_RENOIR)
		smu_powergate_sdma(&adev->smu, true);

1319 1320
	kfree(table_context->driver_pptable);
	table_context->driver_pptable = NULL;
1321

1322 1323
	kfree(table_context->max_sustainable_clocks);
	table_context->max_sustainable_clocks = NULL;
1324

1325 1326
	kfree(table_context->overdrive_table);
	table_context->overdrive_table = NULL;
1327

1328 1329 1330 1331
	ret = smu_fini_fb_allocations(smu);
	if (ret)
		return ret;

1332 1333 1334 1335
	ret = smu_free_memory_pool(smu);
	if (ret)
		return ret;

1336 1337 1338
	return 0;
}

1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354
int smu_reset(struct smu_context *smu)
{
	struct amdgpu_device *adev = smu->adev;
	int ret = 0;

	ret = smu_hw_fini(adev);
	if (ret)
		return ret;

	ret = smu_hw_init(adev);
	if (ret)
		return ret;

	return ret;
}

1355 1356
static int smu_suspend(void *handle)
{
1357
	int ret;
1358
	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1359
	struct smu_context *smu = &adev->smu;
1360
	bool baco_feature_is_enabled = smu_feature_is_enabled(smu, SMU_FEATURE_BACO_BIT);
1361

1362
	ret = smu_system_features_control(smu, false);
1363 1364 1365
	if (ret)
		return ret;

1366 1367 1368 1369 1370 1371 1372 1373
	if (adev->in_gpu_reset && baco_feature_is_enabled) {
		ret = smu_feature_set_enabled(smu, SMU_FEATURE_BACO_BIT, true);
		if (ret) {
			pr_warn("set BACO feature enabled failed, return %d\n", ret);
			return ret;
		}
	}

1374 1375
	smu->watermarks_bitmap &= ~(WATERMARKS_LOADED);

1376 1377 1378 1379
	if (adev->asic_type >= CHIP_NAVI10 &&
	    adev->gfx.rlc.funcs->stop)
		adev->gfx.rlc.funcs->stop(adev);

1380 1381 1382 1383 1384 1385 1386 1387 1388
	return 0;
}

static int smu_resume(void *handle)
{
	int ret;
	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
	struct smu_context *smu = &adev->smu;

1389 1390
	pr_info("SMU is resuming...\n");

1391 1392
	mutex_lock(&smu->mutex);

1393
	ret = smu_smc_table_hw_init(smu, false);
1394 1395 1396
	if (ret)
		goto failed;

1397
	ret = smu_start_thermal_control(smu);
1398 1399
	if (ret)
		goto failed;
1400 1401 1402

	mutex_unlock(&smu->mutex);

1403 1404
	pr_info("SMU is resumed successfully!\n");

1405
	return 0;
1406 1407 1408
failed:
	mutex_unlock(&smu->mutex);
	return ret;
1409 1410
}

1411 1412 1413 1414 1415 1416
int smu_display_configuration_change(struct smu_context *smu,
				     const struct amd_pp_display_configuration *display_config)
{
	int index = 0;
	int num_of_active_display = 0;

1417
	if (!smu->pm_enabled || !is_support_sw_smu(smu->adev))
1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444
		return -EINVAL;

	if (!display_config)
		return -EINVAL;

	mutex_lock(&smu->mutex);

	smu_set_deep_sleep_dcefclk(smu,
				   display_config->min_dcef_deep_sleep_set_clk / 100);

	for (index = 0; index < display_config->num_path_including_non_display; index++) {
		if (display_config->displays[index].controller_id != 0)
			num_of_active_display++;
	}

	smu_set_active_display_count(smu, num_of_active_display);

	smu_store_cc6_data(smu, display_config->cpu_pstate_separation_time,
			   display_config->cpu_cc6_disable,
			   display_config->cpu_pstate_disable,
			   display_config->nb_pstate_switch_disable);

	mutex_unlock(&smu->mutex);

	return 0;
}

1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522
static int smu_get_clock_info(struct smu_context *smu,
			      struct smu_clock_info *clk_info,
			      enum smu_perf_level_designation designation)
{
	int ret;
	struct smu_performance_level level = {0};

	if (!clk_info)
		return -EINVAL;

	ret = smu_get_perf_level(smu, PERF_LEVEL_ACTIVITY, &level);
	if (ret)
		return -EINVAL;

	clk_info->min_mem_clk = level.memory_clock;
	clk_info->min_eng_clk = level.core_clock;
	clk_info->min_bus_bandwidth = level.non_local_mem_freq * level.non_local_mem_width;

	ret = smu_get_perf_level(smu, designation, &level);
	if (ret)
		return -EINVAL;

	clk_info->min_mem_clk = level.memory_clock;
	clk_info->min_eng_clk = level.core_clock;
	clk_info->min_bus_bandwidth = level.non_local_mem_freq * level.non_local_mem_width;

	return 0;
}

int smu_get_current_clocks(struct smu_context *smu,
			   struct amd_pp_clock_info *clocks)
{
	struct amd_pp_simple_clock_info simple_clocks = {0};
	struct smu_clock_info hw_clocks;
	int ret = 0;

	if (!is_support_sw_smu(smu->adev))
		return -EINVAL;

	mutex_lock(&smu->mutex);

	smu_get_dal_power_level(smu, &simple_clocks);

	if (smu->support_power_containment)
		ret = smu_get_clock_info(smu, &hw_clocks,
					 PERF_LEVEL_POWER_CONTAINMENT);
	else
		ret = smu_get_clock_info(smu, &hw_clocks, PERF_LEVEL_ACTIVITY);

	if (ret) {
		pr_err("Error in smu_get_clock_info\n");
		goto failed;
	}

	clocks->min_engine_clock = hw_clocks.min_eng_clk;
	clocks->max_engine_clock = hw_clocks.max_eng_clk;
	clocks->min_memory_clock = hw_clocks.min_mem_clk;
	clocks->max_memory_clock = hw_clocks.max_mem_clk;
	clocks->min_bus_bandwidth = hw_clocks.min_bus_bandwidth;
	clocks->max_bus_bandwidth = hw_clocks.max_bus_bandwidth;
	clocks->max_engine_clock_in_sr = hw_clocks.max_eng_clk;
	clocks->min_engine_clock_in_sr = hw_clocks.min_eng_clk;

        if (simple_clocks.level == 0)
                clocks->max_clocks_state = PP_DAL_POWERLEVEL_7;
        else
                clocks->max_clocks_state = simple_clocks.level;

        if (!smu_get_current_shallow_sleep_clocks(smu, &hw_clocks)) {
                clocks->max_engine_clock_in_sr = hw_clocks.max_eng_clk;
                clocks->min_engine_clock_in_sr = hw_clocks.min_eng_clk;
        }

failed:
	mutex_unlock(&smu->mutex);
	return ret;
}

1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534
static int smu_set_clockgating_state(void *handle,
				     enum amd_clockgating_state state)
{
	return 0;
}

static int smu_set_powergating_state(void *handle,
				     enum amd_powergating_state state)
{
	return 0;
}

1535 1536 1537 1538 1539 1540 1541 1542 1543 1544
static int smu_enable_umd_pstate(void *handle,
		      enum amd_dpm_forced_level *level)
{
	uint32_t profile_mode_mask = AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD |
					AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK |
					AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK |
					AMD_DPM_FORCED_LEVEL_PROFILE_PEAK;

	struct smu_context *smu = (struct smu_context*)(handle);
	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
1545
	if (!smu->pm_enabled || !smu_dpm_ctx->dpm_context)
1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577
		return -EINVAL;

	if (!(smu_dpm_ctx->dpm_level & profile_mode_mask)) {
		/* enter umd pstate, save current level, disable gfx cg*/
		if (*level & profile_mode_mask) {
			smu_dpm_ctx->saved_dpm_level = smu_dpm_ctx->dpm_level;
			smu_dpm_ctx->enable_umd_pstate = true;
			amdgpu_device_ip_set_clockgating_state(smu->adev,
							       AMD_IP_BLOCK_TYPE_GFX,
							       AMD_CG_STATE_UNGATE);
			amdgpu_device_ip_set_powergating_state(smu->adev,
							       AMD_IP_BLOCK_TYPE_GFX,
							       AMD_PG_STATE_UNGATE);
		}
	} else {
		/* exit umd pstate, restore level, enable gfx cg*/
		if (!(*level & profile_mode_mask)) {
			if (*level == AMD_DPM_FORCED_LEVEL_PROFILE_EXIT)
				*level = smu_dpm_ctx->saved_dpm_level;
			smu_dpm_ctx->enable_umd_pstate = false;
			amdgpu_device_ip_set_clockgating_state(smu->adev,
							       AMD_IP_BLOCK_TYPE_GFX,
							       AMD_CG_STATE_GATE);
			amdgpu_device_ip_set_powergating_state(smu->adev,
							       AMD_IP_BLOCK_TYPE_GFX,
							       AMD_PG_STATE_GATE);
		}
	}

	return 0;
}

1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614
static int smu_default_set_performance_level(struct smu_context *smu, enum amd_dpm_forced_level level)
{
	int ret = 0;
	uint32_t sclk_mask, mclk_mask, soc_mask;

	switch (level) {
	case AMD_DPM_FORCED_LEVEL_HIGH:
		ret = smu_force_dpm_limit_value(smu, true);
		break;
	case AMD_DPM_FORCED_LEVEL_LOW:
		ret = smu_force_dpm_limit_value(smu, false);
		break;
	case AMD_DPM_FORCED_LEVEL_AUTO:
	case AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD:
		ret = smu_unforce_dpm_levels(smu);
		break;
	case AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK:
	case AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK:
	case AMD_DPM_FORCED_LEVEL_PROFILE_PEAK:
		ret = smu_get_profiling_clk_mask(smu, level,
						 &sclk_mask,
						 &mclk_mask,
						 &soc_mask);
		if (ret)
			return ret;
		smu_force_clk_levels(smu, SMU_SCLK, 1 << sclk_mask);
		smu_force_clk_levels(smu, SMU_MCLK, 1 << mclk_mask);
		smu_force_clk_levels(smu, SMU_SOCCLK, 1 << soc_mask);
		break;
	case AMD_DPM_FORCED_LEVEL_MANUAL:
	case AMD_DPM_FORCED_LEVEL_PROFILE_EXIT:
	default:
		break;
	}
	return ret;
}

1615 1616 1617 1618 1619 1620 1621 1622 1623
int smu_adjust_power_state_dynamic(struct smu_context *smu,
				   enum amd_dpm_forced_level level,
				   bool skip_display_settings)
{
	int ret = 0;
	int index = 0;
	long workload;
	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);

1624 1625
	if (!smu->pm_enabled)
		return -EINVAL;
1626

1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649
	if (!skip_display_settings) {
		ret = smu_display_config_changed(smu);
		if (ret) {
			pr_err("Failed to change display config!");
			return ret;
		}
	}

	ret = smu_apply_clocks_adjust_rules(smu);
	if (ret) {
		pr_err("Failed to apply clocks adjust rules!");
		return ret;
	}

	if (!skip_display_settings) {
		ret = smu_notify_smc_dispaly_config(smu);
		if (ret) {
			pr_err("Failed to notify smc display config!");
			return ret;
		}
	}

	if (smu_dpm_ctx->dpm_level != level) {
1650 1651 1652
		ret = smu_asic_set_performance_level(smu, level);
		if (ret) {
			ret = smu_default_set_performance_level(smu, level);
1653 1654 1655 1656
			if (ret) {
				pr_err("Failed to set performance level!");
				return ret;
			}
1657
		}
1658 1659 1660

		/* update the saved copy */
		smu_dpm_ctx->dpm_level = level;
1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701
	}

	if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) {
		index = fls(smu->workload_mask);
		index = index > 0 && index <= WORKLOAD_POLICY_MAX ? index - 1 : 0;
		workload = smu->workload_setting[index];

		if (smu->power_profile_mode != workload)
			smu_set_power_profile_mode(smu, &workload, 0);
	}

	return ret;
}

int smu_handle_task(struct smu_context *smu,
		    enum amd_dpm_forced_level level,
		    enum amd_pp_task task_id)
{
	int ret = 0;

	switch (task_id) {
	case AMD_PP_TASK_DISPLAY_CONFIG_CHANGE:
		ret = smu_pre_display_config_changed(smu);
		if (ret)
			return ret;
		ret = smu_set_cpu_power_state(smu);
		if (ret)
			return ret;
		ret = smu_adjust_power_state_dynamic(smu, level, false);
		break;
	case AMD_PP_TASK_COMPLETE_INIT:
	case AMD_PP_TASK_READJUST_POWER_STATE:
		ret = smu_adjust_power_state_dynamic(smu, level, true);
		break;
	default:
		break;
	}

	return ret;
}

1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737
int smu_switch_power_profile(struct smu_context *smu,
			     enum PP_SMC_POWER_PROFILE type,
			     bool en)
{
	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
	long workload;
	uint32_t index;

	if (!smu->pm_enabled)
		return -EINVAL;

	if (!(type < PP_SMC_POWER_PROFILE_CUSTOM))
		return -EINVAL;

	mutex_lock(&smu->mutex);

	if (!en) {
		smu->workload_mask &= ~(1 << smu->workload_prority[type]);
		index = fls(smu->workload_mask);
		index = index > 0 && index <= WORKLOAD_POLICY_MAX ? index - 1 : 0;
		workload = smu->workload_setting[index];
	} else {
		smu->workload_mask |= (1 << smu->workload_prority[type]);
		index = fls(smu->workload_mask);
		index = index <= WORKLOAD_POLICY_MAX ? index - 1 : 0;
		workload = smu->workload_setting[index];
	}

	if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL)
		smu_set_power_profile_mode(smu, &workload, 0);

	mutex_unlock(&smu->mutex);

	return 0;
}

1738 1739 1740
enum amd_dpm_forced_level smu_get_performance_level(struct smu_context *smu)
{
	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
1741
	enum amd_dpm_forced_level level;
1742 1743 1744 1745 1746

	if (!smu_dpm_ctx->dpm_context)
		return -EINVAL;

	mutex_lock(&(smu->mutex));
1747
	level = smu_dpm_ctx->dpm_level;
1748 1749
	mutex_unlock(&(smu->mutex));

1750
	return level;
1751 1752 1753 1754 1755
}

int smu_force_performance_level(struct smu_context *smu, enum amd_dpm_forced_level level)
{
	struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
1756
	int ret = 0;
1757 1758 1759 1760

	if (!smu_dpm_ctx->dpm_context)
		return -EINVAL;

1761
	ret = smu_enable_umd_pstate(smu, &level);
1762 1763
	if (ret)
		return ret;
1764

1765 1766
	ret = smu_handle_task(smu, level,
			      AMD_PP_TASK_READJUST_POWER_STATE);
1767 1768 1769 1770

	return ret;
}

1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781
int smu_set_display_count(struct smu_context *smu, uint32_t count)
{
	int ret = 0;

	mutex_lock(&smu->mutex);
	ret = smu_init_display_count(smu, count);
	mutex_unlock(&smu->mutex);

	return ret;
}

1782 1783 1784
const struct amd_ip_funcs smu_ip_funcs = {
	.name = "smu",
	.early_init = smu_early_init,
1785
	.late_init = smu_late_init,
1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797
	.sw_init = smu_sw_init,
	.sw_fini = smu_sw_fini,
	.hw_init = smu_hw_init,
	.hw_fini = smu_hw_fini,
	.suspend = smu_suspend,
	.resume = smu_resume,
	.is_idle = NULL,
	.check_soft_reset = NULL,
	.wait_for_idle = NULL,
	.soft_reset = NULL,
	.set_clockgating_state = smu_set_clockgating_state,
	.set_powergating_state = smu_set_powergating_state,
1798
	.enable_umd_pstate = smu_enable_umd_pstate,
1799
};
1800 1801 1802 1803 1804 1805 1806 1807 1808

const struct amdgpu_ip_block_version smu_v11_0_ip_block =
{
	.type = AMD_IP_BLOCK_TYPE_SMC,
	.major = 11,
	.minor = 0,
	.rev = 0,
	.funcs = &smu_ip_funcs,
};
1809 1810 1811 1812 1813 1814 1815 1816 1817

const struct amdgpu_ip_block_version smu_v12_0_ip_block =
{
	.type = AMD_IP_BLOCK_TYPE_SMC,
	.major = 12,
	.minor = 0,
	.rev = 0,
	.funcs = &smu_ip_funcs,
};