/*
 * Copyright 2015 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/module.h>
#include <linux/slab.h>
#include <linux/fb.h>
#include <asm/div64.h>
#include "linux/delay.h"
#include "pp_acpi.h"
#include "pp_debug.h"
#include "ppatomctrl.h"
#include "atombios.h"
#include "pptable_v1_0.h"
#include "pppcielanes.h"
#include "amd_pcie_helpers.h"
#include "hardwaremanager.h"
#include "process_pptables_v1_0.h"
#include "cgs_common.h"

#include "smu7_common.h"

#include "hwmgr.h"
#include "smu7_hwmgr.h"
#include "smu7_powertune.h"
#include "smu7_dyn_defaults.h"
#include "smu7_thermal.h"
#include "smu7_clockpowergating.h"
#include "processpptables.h"

#define MC_CG_ARB_FREQ_F0           0x0a
#define MC_CG_ARB_FREQ_F1           0x0b
#define MC_CG_ARB_FREQ_F2           0x0c
#define MC_CG_ARB_FREQ_F3           0x0d

#define MC_CG_SEQ_DRAMCONF_S0       0x05
#define MC_CG_SEQ_DRAMCONF_S1       0x06
#define MC_CG_SEQ_YCLK_SUSPEND      0x04
#define MC_CG_SEQ_YCLK_RESUME       0x0a

#define SMC_CG_IND_START            0xc0030000
#define SMC_CG_IND_END              0xc0040000

#define VOLTAGE_SCALE               4
#define VOLTAGE_VID_OFFSET_SCALE1   625
#define VOLTAGE_VID_OFFSET_SCALE2   100

#define MEM_FREQ_LOW_LATENCY        25000
#define MEM_FREQ_HIGH_LATENCY       80000

#define MEM_LATENCY_HIGH            45
#define MEM_LATENCY_LOW             35
#define MEM_LATENCY_ERR             0xFFFF

#define MC_SEQ_MISC0_GDDR5_SHIFT 28
#define MC_SEQ_MISC0_GDDR5_MASK  0xf0000000
#define MC_SEQ_MISC0_GDDR5_VALUE 5

#define PCIE_BUS_CLK                10000
#define TCLK                        (PCIE_BUS_CLK / 10)


/** Values for the CG_THERMAL_CTRL::DPM_EVENT_SRC field. */
enum DPM_EVENT_SRC {
	DPM_EVENT_SRC_ANALOG = 0,
	DPM_EVENT_SRC_EXTERNAL = 1,
	DPM_EVENT_SRC_DIGITAL = 2,
	DPM_EVENT_SRC_ANALOG_OR_EXTERNAL = 3,
	DPM_EVENT_SRC_DIGITAL_OR_EXTERNAL = 4
};

static const unsigned long PhwVIslands_Magic = (unsigned long)(PHM_VIslands_Magic);

struct smu7_power_state *cast_phw_smu7_power_state(
				  struct pp_hw_power_state *hw_ps)
{
	PP_ASSERT_WITH_CODE((PhwVIslands_Magic == hw_ps->magic),
				"Invalid Powerstate Type!",
				 return NULL);

	return (struct smu7_power_state *)hw_ps;
}

const struct smu7_power_state *cast_const_phw_smu7_power_state(
				 const struct pp_hw_power_state *hw_ps)
{
	PP_ASSERT_WITH_CODE((PhwVIslands_Magic == hw_ps->magic),
				"Invalid Powerstate Type!",
				 return NULL);

	return (const struct smu7_power_state *)hw_ps;
}

/**
 * Find the MC microcode version and store it in the HwMgr struct
 *
 * @param    hwmgr  the address of the powerplay hardware manager.
 * @return   always 0
 */
int smu7_get_mc_microcode_version (struct pp_hwmgr *hwmgr)
{
	cgs_write_register(hwmgr->device, mmMC_SEQ_IO_DEBUG_INDEX, 0x9F);

	hwmgr->microcode_version_info.MC = cgs_read_register(hwmgr->device, mmMC_SEQ_IO_DEBUG_DATA);

	return 0;
}

uint16_t smu7_get_current_pcie_speed(struct pp_hwmgr *hwmgr)
{
	uint32_t speedCntl = 0;

	/* mmPCIE_PORT_INDEX rename as mmPCIE_INDEX */
	speedCntl = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__PCIE,
			ixPCIE_LC_SPEED_CNTL);
	return((uint16_t)PHM_GET_FIELD(speedCntl,
			PCIE_LC_SPEED_CNTL, LC_CURRENT_DATA_RATE));
}

int smu7_get_current_pcie_lane_number(struct pp_hwmgr *hwmgr)
{
	uint32_t link_width;

	/* mmPCIE_PORT_INDEX rename as mmPCIE_INDEX */
	link_width = PHM_READ_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__PCIE,
			PCIE_LC_LINK_WIDTH_CNTL, LC_LINK_WIDTH_RD);

	PP_ASSERT_WITH_CODE((7 >= link_width),
			"Invalid PCIe lane width!", return 0);

	return decode_pcie_lane_width(link_width);
}

/**
* Enable voltage control
*
* @param    pHwMgr  the address of the powerplay hardware manager.
* @return   always PP_Result_OK
*/
int smu7_enable_smc_voltage_controller(struct pp_hwmgr *hwmgr)
{
	if (hwmgr->feature_mask & PP_SMC_VOLTAGE_CONTROL_MASK)
		smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_Voltage_Cntl_Enable);

	return 0;
}

/**
* Checks if we want to support voltage control
*
* @param    hwmgr  the address of the powerplay hardware manager.
*/
static bool smu7_voltage_control(const struct pp_hwmgr *hwmgr)
{
	const struct smu7_hwmgr *data =
			(const struct smu7_hwmgr *)(hwmgr->backend);

	return (SMU7_VOLTAGE_CONTROL_NONE != data->voltage_control);
}

/**
* Enable voltage control
*
* @param    hwmgr  the address of the powerplay hardware manager.
* @return   always 0
*/
static int smu7_enable_voltage_control(struct pp_hwmgr *hwmgr)
{
	/* enable voltage control */
	PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
			GENERAL_PWRMGT, VOLT_PWRMGT_EN, 1);

	return 0;
}

static int phm_get_svi2_voltage_table_v0(pp_atomctrl_voltage_table *voltage_table,
		struct phm_clock_voltage_dependency_table *voltage_dependency_table
		)
{
	uint32_t i;

	PP_ASSERT_WITH_CODE((NULL != voltage_table),
			"Voltage Dependency Table empty.", return -EINVAL;);

	voltage_table->mask_low = 0;
	voltage_table->phase_delay = 0;
	voltage_table->count = voltage_dependency_table->count;

	for (i = 0; i < voltage_dependency_table->count; i++) {
		voltage_table->entries[i].value =
			voltage_dependency_table->entries[i].v;
		voltage_table->entries[i].smio_low = 0;
	}

	return 0;
}


/**
* Create Voltage Tables.
*
* @param    hwmgr  the address of the powerplay hardware manager.
* @return   always 0
*/
static int smu7_construct_voltage_tables(struct pp_hwmgr *hwmgr)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
	struct phm_ppt_v1_information *table_info =
			(struct phm_ppt_v1_information *)hwmgr->pptable;
	int result = 0;
	uint32_t tmp;

	if (SMU7_VOLTAGE_CONTROL_BY_GPIO == data->mvdd_control) {
		result = atomctrl_get_voltage_table_v3(hwmgr,
				VOLTAGE_TYPE_MVDDC, VOLTAGE_OBJ_GPIO_LUT,
				&(data->mvdd_voltage_table));
		PP_ASSERT_WITH_CODE((0 == result),
				"Failed to retrieve MVDD table.",
				return result);
	} else if (SMU7_VOLTAGE_CONTROL_BY_SVID2 == data->mvdd_control) {
		if (hwmgr->pp_table_version == PP_TABLE_V1)
			result = phm_get_svi2_mvdd_voltage_table(&(data->mvdd_voltage_table),
					table_info->vdd_dep_on_mclk);
		else if (hwmgr->pp_table_version == PP_TABLE_V0)
			result = phm_get_svi2_voltage_table_v0(&(data->mvdd_voltage_table),
					hwmgr->dyn_state.mvdd_dependency_on_mclk);

		PP_ASSERT_WITH_CODE((0 == result),
				"Failed to retrieve SVI2 MVDD table from dependancy table.",
				return result;);
	}

	if (SMU7_VOLTAGE_CONTROL_BY_GPIO == data->vddci_control) {
		result = atomctrl_get_voltage_table_v3(hwmgr,
				VOLTAGE_TYPE_VDDCI, VOLTAGE_OBJ_GPIO_LUT,
				&(data->vddci_voltage_table));
		PP_ASSERT_WITH_CODE((0 == result),
				"Failed to retrieve VDDCI table.",
				return result);
	} else if (SMU7_VOLTAGE_CONTROL_BY_SVID2 == data->vddci_control) {
		if (hwmgr->pp_table_version == PP_TABLE_V1)
			result = phm_get_svi2_vddci_voltage_table(&(data->vddci_voltage_table),
					table_info->vdd_dep_on_mclk);
		else if (hwmgr->pp_table_version == PP_TABLE_V0)
			result = phm_get_svi2_voltage_table_v0(&(data->vddci_voltage_table),
					hwmgr->dyn_state.vddci_dependency_on_mclk);
		PP_ASSERT_WITH_CODE((0 == result),
				"Failed to retrieve SVI2 VDDCI table from dependancy table.",
				return result);
	}

	if (SMU7_VOLTAGE_CONTROL_BY_SVID2 == data->vdd_gfx_control) {
		/* VDDGFX has only SVI2 voltage control */
		result = phm_get_svi2_vdd_voltage_table(&(data->vddgfx_voltage_table),
					table_info->vddgfx_lookup_table);
		PP_ASSERT_WITH_CODE((0 == result),
			"Failed to retrieve SVI2 VDDGFX table from lookup table.", return result;);
	}


	if (SMU7_VOLTAGE_CONTROL_BY_GPIO == data->voltage_control) {
		result = atomctrl_get_voltage_table_v3(hwmgr,
					VOLTAGE_TYPE_VDDC, VOLTAGE_OBJ_GPIO_LUT,
					&data->vddc_voltage_table);
		PP_ASSERT_WITH_CODE((0 == result),
			"Failed to retrieve VDDC table.", return result;);
	} else if (SMU7_VOLTAGE_CONTROL_BY_SVID2 == data->voltage_control) {

		if (hwmgr->pp_table_version == PP_TABLE_V0)
			result = phm_get_svi2_voltage_table_v0(&data->vddc_voltage_table,
					hwmgr->dyn_state.vddc_dependency_on_mclk);
		else if (hwmgr->pp_table_version == PP_TABLE_V1)
			result = phm_get_svi2_vdd_voltage_table(&(data->vddc_voltage_table),
				table_info->vddc_lookup_table);

		PP_ASSERT_WITH_CODE((0 == result),
			"Failed to retrieve SVI2 VDDC table from dependancy table.", return result;);
	}

	tmp = smum_get_mac_definition(hwmgr->smumgr, SMU_MAX_LEVELS_VDDC);
	PP_ASSERT_WITH_CODE(
			(data->vddc_voltage_table.count <= tmp),
		"Too many voltage values for VDDC. Trimming to fit state table.",
			phm_trim_voltage_table_to_fit_state_table(tmp,
						&(data->vddc_voltage_table)));

	tmp = smum_get_mac_definition(hwmgr->smumgr, SMU_MAX_LEVELS_VDDGFX);
	PP_ASSERT_WITH_CODE(
			(data->vddgfx_voltage_table.count <= tmp),
		"Too many voltage values for VDDC. Trimming to fit state table.",
			phm_trim_voltage_table_to_fit_state_table(tmp,
						&(data->vddgfx_voltage_table)));

	tmp = smum_get_mac_definition(hwmgr->smumgr, SMU_MAX_LEVELS_VDDCI);
	PP_ASSERT_WITH_CODE(
			(data->vddci_voltage_table.count <= tmp),
		"Too many voltage values for VDDCI. Trimming to fit state table.",
			phm_trim_voltage_table_to_fit_state_table(tmp,
					&(data->vddci_voltage_table)));

	tmp = smum_get_mac_definition(hwmgr->smumgr, SMU_MAX_LEVELS_MVDD);
	PP_ASSERT_WITH_CODE(
			(data->mvdd_voltage_table.count <= tmp),
		"Too many voltage values for MVDD. Trimming to fit state table.",
			phm_trim_voltage_table_to_fit_state_table(tmp,
						&(data->mvdd_voltage_table)));

	return 0;
}

/**
* Programs static screed detection parameters
*
* @param    hwmgr  the address of the powerplay hardware manager.
* @return   always 0
*/
static int smu7_program_static_screen_threshold_parameters(
							struct pp_hwmgr *hwmgr)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

	/* Set static screen threshold unit */
	PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
			CG_STATIC_SCREEN_PARAMETER, STATIC_SCREEN_THRESHOLD_UNIT,
			data->static_screen_threshold_unit);
	/* Set static screen threshold */
	PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
			CG_STATIC_SCREEN_PARAMETER, STATIC_SCREEN_THRESHOLD,
			data->static_screen_threshold);

	return 0;
}

/**
* Setup display gap for glitch free memory clock switching.
*
* @param    hwmgr  the address of the powerplay hardware manager.
* @return   always  0
*/
static int smu7_enable_display_gap(struct pp_hwmgr *hwmgr)
{
	uint32_t display_gap =
			cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC,
					ixCG_DISPLAY_GAP_CNTL);

	display_gap = PHM_SET_FIELD(display_gap, CG_DISPLAY_GAP_CNTL,
			DISP_GAP, DISPLAY_GAP_IGNORE);

	display_gap = PHM_SET_FIELD(display_gap, CG_DISPLAY_GAP_CNTL,
			DISP_GAP_MCHG, DISPLAY_GAP_VBLANK);

	cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
			ixCG_DISPLAY_GAP_CNTL, display_gap);

	return 0;
}

/**
* Programs activity state transition voting clients
*
* @param    hwmgr  the address of the powerplay hardware manager.
* @return   always  0
*/
static int smu7_program_voting_clients(struct pp_hwmgr *hwmgr)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

	/* Clear reset for voting clients before enabling DPM */
	PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
			SCLK_PWRMGT_CNTL, RESET_SCLK_CNT, 0);
	PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
			SCLK_PWRMGT_CNTL, RESET_BUSY_CNT, 0);

	cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
			ixCG_FREQ_TRAN_VOTING_0, data->voting_rights_clients0);
	cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
			ixCG_FREQ_TRAN_VOTING_1, data->voting_rights_clients1);
	cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
			ixCG_FREQ_TRAN_VOTING_2, data->voting_rights_clients2);
	cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
			ixCG_FREQ_TRAN_VOTING_3, data->voting_rights_clients3);
	cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
			ixCG_FREQ_TRAN_VOTING_4, data->voting_rights_clients4);
	cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
			ixCG_FREQ_TRAN_VOTING_5, data->voting_rights_clients5);
	cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
			ixCG_FREQ_TRAN_VOTING_6, data->voting_rights_clients6);
	cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
			ixCG_FREQ_TRAN_VOTING_7, data->voting_rights_clients7);

	return 0;
}

static int smu7_clear_voting_clients(struct pp_hwmgr *hwmgr)
{
	/* Reset voting clients before disabling DPM */
	PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
			SCLK_PWRMGT_CNTL, RESET_SCLK_CNT, 1);
	PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
			SCLK_PWRMGT_CNTL, RESET_BUSY_CNT, 1);

	cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
			ixCG_FREQ_TRAN_VOTING_0, 0);
	cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
			ixCG_FREQ_TRAN_VOTING_1, 0);
	cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
			ixCG_FREQ_TRAN_VOTING_2, 0);
	cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
			ixCG_FREQ_TRAN_VOTING_3, 0);
	cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
			ixCG_FREQ_TRAN_VOTING_4, 0);
	cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
			ixCG_FREQ_TRAN_VOTING_5, 0);
	cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
			ixCG_FREQ_TRAN_VOTING_6, 0);
	cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
			ixCG_FREQ_TRAN_VOTING_7, 0);

	return 0;
}

/* Copy one arb setting to another and then switch the active set.
 * arb_src and arb_dest is one of the MC_CG_ARB_FREQ_Fx constants.
 */
static int smu7_copy_and_switch_arb_sets(struct pp_hwmgr *hwmgr,
		uint32_t arb_src, uint32_t arb_dest)
{
	uint32_t mc_arb_dram_timing;
	uint32_t mc_arb_dram_timing2;
	uint32_t burst_time;
	uint32_t mc_cg_config;

	switch (arb_src) {
	case MC_CG_ARB_FREQ_F0:
		mc_arb_dram_timing  = cgs_read_register(hwmgr->device, mmMC_ARB_DRAM_TIMING);
		mc_arb_dram_timing2 = cgs_read_register(hwmgr->device, mmMC_ARB_DRAM_TIMING2);
		burst_time = PHM_READ_FIELD(hwmgr->device, MC_ARB_BURST_TIME, STATE0);
		break;
	case MC_CG_ARB_FREQ_F1:
		mc_arb_dram_timing  = cgs_read_register(hwmgr->device, mmMC_ARB_DRAM_TIMING_1);
		mc_arb_dram_timing2 = cgs_read_register(hwmgr->device, mmMC_ARB_DRAM_TIMING2_1);
		burst_time = PHM_READ_FIELD(hwmgr->device, MC_ARB_BURST_TIME, STATE1);
		break;
	default:
		return -EINVAL;
	}

	switch (arb_dest) {
	case MC_CG_ARB_FREQ_F0:
		cgs_write_register(hwmgr->device, mmMC_ARB_DRAM_TIMING, mc_arb_dram_timing);
		cgs_write_register(hwmgr->device, mmMC_ARB_DRAM_TIMING2, mc_arb_dram_timing2);
		PHM_WRITE_FIELD(hwmgr->device, MC_ARB_BURST_TIME, STATE0, burst_time);
		break;
	case MC_CG_ARB_FREQ_F1:
		cgs_write_register(hwmgr->device, mmMC_ARB_DRAM_TIMING_1, mc_arb_dram_timing);
		cgs_write_register(hwmgr->device, mmMC_ARB_DRAM_TIMING2_1, mc_arb_dram_timing2);
		PHM_WRITE_FIELD(hwmgr->device, MC_ARB_BURST_TIME, STATE1, burst_time);
		break;
	default:
		return -EINVAL;
	}

	mc_cg_config = cgs_read_register(hwmgr->device, mmMC_CG_CONFIG);
	mc_cg_config |= 0x0000000F;
	cgs_write_register(hwmgr->device, mmMC_CG_CONFIG, mc_cg_config);
	PHM_WRITE_FIELD(hwmgr->device, MC_ARB_CG, CG_ARB_REQ, arb_dest);

	return 0;
}

static int smu7_reset_to_default(struct pp_hwmgr *hwmgr)
{
	return smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_ResetToDefaults);
}

/**
* Initial switch from ARB F0->F1
*
* @param    hwmgr  the address of the powerplay hardware manager.
* @return   always 0
* This function is to be called from the SetPowerState table.
*/
static int smu7_initial_switch_from_arbf0_to_f1(struct pp_hwmgr *hwmgr)
{
	return smu7_copy_and_switch_arb_sets(hwmgr,
			MC_CG_ARB_FREQ_F0, MC_CG_ARB_FREQ_F1);
}

static int smu7_force_switch_to_arbf0(struct pp_hwmgr *hwmgr)
{
	uint32_t tmp;

	tmp = (cgs_read_ind_register(hwmgr->device,
			CGS_IND_REG__SMC, ixSMC_SCRATCH9) &
			0x0000ff00) >> 8;

	if (tmp == MC_CG_ARB_FREQ_F0)
		return 0;

	return smu7_copy_and_switch_arb_sets(hwmgr,
			tmp, MC_CG_ARB_FREQ_F0);
}

static int smu7_setup_default_pcie_table(struct pp_hwmgr *hwmgr)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

	struct phm_ppt_v1_information *table_info =
			(struct phm_ppt_v1_information *)(hwmgr->pptable);
	struct phm_ppt_v1_pcie_table *pcie_table = NULL;

	uint32_t i, max_entry;
	uint32_t tmp;

	PP_ASSERT_WITH_CODE((data->use_pcie_performance_levels ||
			data->use_pcie_power_saving_levels), "No pcie performance levels!",
			return -EINVAL);

	if (table_info != NULL)
		pcie_table = table_info->pcie_table;

	if (data->use_pcie_performance_levels &&
			!data->use_pcie_power_saving_levels) {
		data->pcie_gen_power_saving = data->pcie_gen_performance;
		data->pcie_lane_power_saving = data->pcie_lane_performance;
	} else if (!data->use_pcie_performance_levels &&
			data->use_pcie_power_saving_levels) {
		data->pcie_gen_performance = data->pcie_gen_power_saving;
		data->pcie_lane_performance = data->pcie_lane_power_saving;
	}
	tmp = smum_get_mac_definition(hwmgr->smumgr, SMU_MAX_LEVELS_LINK);
	phm_reset_single_dpm_table(&data->dpm_table.pcie_speed_table,
					tmp,
					MAX_REGULAR_DPM_NUMBER);

	if (pcie_table != NULL) {
		/* max_entry is used to make sure we reserve one PCIE level
		 * for boot level (fix for A+A PSPP issue).
		 * If PCIE table from PPTable have ULV entry + 8 entries,
		 * then ignore the last entry.*/
		max_entry = (tmp < pcie_table->count) ? tmp : pcie_table->count;
		for (i = 1; i < max_entry; i++) {
			phm_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, i - 1,
					get_pcie_gen_support(data->pcie_gen_cap,
							pcie_table->entries[i].gen_speed),
					get_pcie_lane_support(data->pcie_lane_cap,
							pcie_table->entries[i].lane_width));
		}
		data->dpm_table.pcie_speed_table.count = max_entry - 1;
		smum_update_smc_table(hwmgr, SMU_BIF_TABLE);
	} else {
		/* Hardcode Pcie Table */
		phm_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, 0,
				get_pcie_gen_support(data->pcie_gen_cap,
						PP_Min_PCIEGen),
				get_pcie_lane_support(data->pcie_lane_cap,
						PP_Max_PCIELane));
		phm_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, 1,
				get_pcie_gen_support(data->pcie_gen_cap,
						PP_Min_PCIEGen),
				get_pcie_lane_support(data->pcie_lane_cap,
						PP_Max_PCIELane));
		phm_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, 2,
				get_pcie_gen_support(data->pcie_gen_cap,
						PP_Max_PCIEGen),
				get_pcie_lane_support(data->pcie_lane_cap,
						PP_Max_PCIELane));
		phm_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, 3,
				get_pcie_gen_support(data->pcie_gen_cap,
						PP_Max_PCIEGen),
				get_pcie_lane_support(data->pcie_lane_cap,
						PP_Max_PCIELane));
		phm_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, 4,
				get_pcie_gen_support(data->pcie_gen_cap,
						PP_Max_PCIEGen),
				get_pcie_lane_support(data->pcie_lane_cap,
						PP_Max_PCIELane));
		phm_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, 5,
				get_pcie_gen_support(data->pcie_gen_cap,
						PP_Max_PCIEGen),
				get_pcie_lane_support(data->pcie_lane_cap,
						PP_Max_PCIELane));

		data->dpm_table.pcie_speed_table.count = 6;
	}
	/* Populate last level for boot PCIE level, but do not increment count. */
	phm_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table,
			data->dpm_table.pcie_speed_table.count,
			get_pcie_gen_support(data->pcie_gen_cap,
					PP_Min_PCIEGen),
			get_pcie_lane_support(data->pcie_lane_cap,
					PP_Max_PCIELane));

	return 0;
}

static int smu7_reset_dpm_tables(struct pp_hwmgr *hwmgr)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

	memset(&(data->dpm_table), 0x00, sizeof(data->dpm_table));

	phm_reset_single_dpm_table(
			&data->dpm_table.sclk_table,
				smum_get_mac_definition(hwmgr->smumgr,
					SMU_MAX_LEVELS_GRAPHICS),
					MAX_REGULAR_DPM_NUMBER);
	phm_reset_single_dpm_table(
			&data->dpm_table.mclk_table,
			smum_get_mac_definition(hwmgr->smumgr,
				SMU_MAX_LEVELS_MEMORY), MAX_REGULAR_DPM_NUMBER);

	phm_reset_single_dpm_table(
			&data->dpm_table.vddc_table,
				smum_get_mac_definition(hwmgr->smumgr,
					SMU_MAX_LEVELS_VDDC),
					MAX_REGULAR_DPM_NUMBER);
	phm_reset_single_dpm_table(
			&data->dpm_table.vddci_table,
			smum_get_mac_definition(hwmgr->smumgr,
				SMU_MAX_LEVELS_VDDCI), MAX_REGULAR_DPM_NUMBER);

	phm_reset_single_dpm_table(
			&data->dpm_table.mvdd_table,
				smum_get_mac_definition(hwmgr->smumgr,
					SMU_MAX_LEVELS_MVDD),
					MAX_REGULAR_DPM_NUMBER);
	return 0;
}
/*
 * This function is to initialize all DPM state tables
 * for SMU7 based on the dependency table.
 * Dynamic state patching function will then trim these
 * state tables to the allowed range based
 * on the power policy or external client requests,
 * such as UVD request, etc.
 */

static int smu7_setup_dpm_tables_v0(struct pp_hwmgr *hwmgr)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
	struct phm_clock_voltage_dependency_table *allowed_vdd_sclk_table =
		hwmgr->dyn_state.vddc_dependency_on_sclk;
	struct phm_clock_voltage_dependency_table *allowed_vdd_mclk_table =
		hwmgr->dyn_state.vddc_dependency_on_mclk;
	struct phm_cac_leakage_table *std_voltage_table =
		hwmgr->dyn_state.cac_leakage_table;
	uint32_t i;

	PP_ASSERT_WITH_CODE(allowed_vdd_sclk_table != NULL,
		"SCLK dependency table is missing. This table is mandatory", return -EINVAL);
	PP_ASSERT_WITH_CODE(allowed_vdd_sclk_table->count >= 1,
		"SCLK dependency table has to have is missing. This table is mandatory", return -EINVAL);

	PP_ASSERT_WITH_CODE(allowed_vdd_mclk_table != NULL,
		"MCLK dependency table is missing. This table is mandatory", return -EINVAL);
	PP_ASSERT_WITH_CODE(allowed_vdd_mclk_table->count >= 1,
		"VMCLK dependency table has to have is missing. This table is mandatory", return -EINVAL);


	/* Initialize Sclk DPM table based on allow Sclk values*/
	data->dpm_table.sclk_table.count = 0;

	for (i = 0; i < allowed_vdd_sclk_table->count; i++) {
		if (i == 0 || data->dpm_table.sclk_table.dpm_levels[data->dpm_table.sclk_table.count-1].value !=
				allowed_vdd_sclk_table->entries[i].clk) {
			data->dpm_table.sclk_table.dpm_levels[data->dpm_table.sclk_table.count].value =
				allowed_vdd_sclk_table->entries[i].clk;
			data->dpm_table.sclk_table.dpm_levels[data->dpm_table.sclk_table.count].enabled = 1; /*(i==0) ? 1 : 0; to do */
			data->dpm_table.sclk_table.count++;
		}
	}

	PP_ASSERT_WITH_CODE(allowed_vdd_mclk_table != NULL,
		"MCLK dependency table is missing. This table is mandatory", return -EINVAL);
	/* Initialize Mclk DPM table based on allow Mclk values */
	data->dpm_table.mclk_table.count = 0;
	for (i = 0; i < allowed_vdd_mclk_table->count; i++) {
		if (i == 0 || data->dpm_table.mclk_table.dpm_levels[data->dpm_table.mclk_table.count-1].value !=
			allowed_vdd_mclk_table->entries[i].clk) {
			data->dpm_table.mclk_table.dpm_levels[data->dpm_table.mclk_table.count].value =
				allowed_vdd_mclk_table->entries[i].clk;
			data->dpm_table.mclk_table.dpm_levels[data->dpm_table.mclk_table.count].enabled = 1; /*(i==0) ? 1 : 0; */
			data->dpm_table.mclk_table.count++;
		}
	}

	/* Initialize Vddc DPM table based on allow Vddc values.  And populate corresponding std values. */
	for (i = 0; i < allowed_vdd_sclk_table->count; i++) {
		data->dpm_table.vddc_table.dpm_levels[i].value = allowed_vdd_mclk_table->entries[i].v;
		data->dpm_table.vddc_table.dpm_levels[i].param1 = std_voltage_table->entries[i].Leakage;
		/* param1 is for corresponding std voltage */
		data->dpm_table.vddc_table.dpm_levels[i].enabled = 1;
	}

	data->dpm_table.vddc_table.count = allowed_vdd_sclk_table->count;
	allowed_vdd_mclk_table = hwmgr->dyn_state.vddci_dependency_on_mclk;

	if (NULL != allowed_vdd_mclk_table) {
		/* Initialize Vddci DPM table based on allow Mclk values */
		for (i = 0; i < allowed_vdd_mclk_table->count; i++) {
			data->dpm_table.vddci_table.dpm_levels[i].value = allowed_vdd_mclk_table->entries[i].v;
			data->dpm_table.vddci_table.dpm_levels[i].enabled = 1;
		}
		data->dpm_table.vddci_table.count = allowed_vdd_mclk_table->count;
	}

	allowed_vdd_mclk_table = hwmgr->dyn_state.mvdd_dependency_on_mclk;

	if (NULL != allowed_vdd_mclk_table) {
		/*
		 * Initialize MVDD DPM table based on allow Mclk
		 * values
		 */
		for (i = 0; i < allowed_vdd_mclk_table->count; i++) {
			data->dpm_table.mvdd_table.dpm_levels[i].value = allowed_vdd_mclk_table->entries[i].v;
			data->dpm_table.mvdd_table.dpm_levels[i].enabled = 1;
		}
		data->dpm_table.mvdd_table.count = allowed_vdd_mclk_table->count;
	}

	return 0;
}

static int smu7_setup_dpm_tables_v1(struct pp_hwmgr *hwmgr)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
	struct phm_ppt_v1_information *table_info =
			(struct phm_ppt_v1_information *)(hwmgr->pptable);
	uint32_t i;

	struct phm_ppt_v1_clock_voltage_dependency_table *dep_sclk_table;
	struct phm_ppt_v1_clock_voltage_dependency_table *dep_mclk_table;

	if (table_info == NULL)
		return -EINVAL;

	dep_sclk_table = table_info->vdd_dep_on_sclk;
	dep_mclk_table = table_info->vdd_dep_on_mclk;

	PP_ASSERT_WITH_CODE(dep_sclk_table != NULL,
			"SCLK dependency table is missing.",
			return -EINVAL);
	PP_ASSERT_WITH_CODE(dep_sclk_table->count >= 1,
			"SCLK dependency table count is 0.",
			return -EINVAL);

	PP_ASSERT_WITH_CODE(dep_mclk_table != NULL,
			"MCLK dependency table is missing.",
			return -EINVAL);
	PP_ASSERT_WITH_CODE(dep_mclk_table->count >= 1,
			"MCLK dependency table count is 0",
			return -EINVAL);

	/* Initialize Sclk DPM table based on allow Sclk values */
	data->dpm_table.sclk_table.count = 0;
	for (i = 0; i < dep_sclk_table->count; i++) {
		if (i == 0 || data->dpm_table.sclk_table.dpm_levels[data->dpm_table.sclk_table.count - 1].value !=
						dep_sclk_table->entries[i].clk) {

			data->dpm_table.sclk_table.dpm_levels[data->dpm_table.sclk_table.count].value =
					dep_sclk_table->entries[i].clk;

			data->dpm_table.sclk_table.dpm_levels[data->dpm_table.sclk_table.count].enabled =
					(i == 0) ? true : false;
			data->dpm_table.sclk_table.count++;
		}
	}

	/* Initialize Mclk DPM table based on allow Mclk values */
	data->dpm_table.mclk_table.count = 0;
	for (i = 0; i < dep_mclk_table->count; i++) {
		if (i == 0 || data->dpm_table.mclk_table.dpm_levels
				[data->dpm_table.mclk_table.count - 1].value !=
						dep_mclk_table->entries[i].clk) {
			data->dpm_table.mclk_table.dpm_levels[data->dpm_table.mclk_table.count].value =
							dep_mclk_table->entries[i].clk;
			data->dpm_table.mclk_table.dpm_levels[data->dpm_table.mclk_table.count].enabled =
							(i == 0) ? true : false;
			data->dpm_table.mclk_table.count++;
		}
	}

	return 0;
}

int smu7_setup_default_dpm_tables(struct pp_hwmgr *hwmgr)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

	smu7_reset_dpm_tables(hwmgr);

	if (hwmgr->pp_table_version == PP_TABLE_V1)
		smu7_setup_dpm_tables_v1(hwmgr);
	else if (hwmgr->pp_table_version == PP_TABLE_V0)
		smu7_setup_dpm_tables_v0(hwmgr);

	smu7_setup_default_pcie_table(hwmgr);

	/* save a copy of the default DPM table */
	memcpy(&(data->golden_dpm_table), &(data->dpm_table),
			sizeof(struct smu7_dpm_table));
	return 0;
}

uint32_t smu7_get_xclk(struct pp_hwmgr *hwmgr)
{
	uint32_t reference_clock, tmp;
	struct cgs_display_info info = {0};
	struct cgs_mode_info mode_info = {0};

	info.mode_info = &mode_info;

	tmp = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_CLKPIN_CNTL_2, MUX_TCLK_TO_XCLK);

	if (tmp)
		return TCLK;

	cgs_get_active_displays_info(hwmgr->device, &info);
	reference_clock = mode_info.ref_clock;

	tmp = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_CLKPIN_CNTL, XTALIN_DIVIDE);

	if (0 != tmp)
		return reference_clock / 4;

	return reference_clock;
}

static int smu7_enable_vrhot_gpio_interrupt(struct pp_hwmgr *hwmgr)
{

	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
			PHM_PlatformCaps_RegulatorHot))
		return smum_send_msg_to_smc(hwmgr->smumgr,
				PPSMC_MSG_EnableVRHotGPIOInterrupt);

	return 0;
}

static int smu7_enable_sclk_control(struct pp_hwmgr *hwmgr)
{
	PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, SCLK_PWRMGT_CNTL,
			SCLK_PWRMGT_OFF, 0);
	return 0;
}

static int smu7_enable_ulv(struct pp_hwmgr *hwmgr)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

	if (data->ulv_supported)
		return smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_EnableULV);

	return 0;
}

static int smu7_disable_ulv(struct pp_hwmgr *hwmgr)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

	if (data->ulv_supported)
		return smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_DisableULV);

	return 0;
}

static int smu7_enable_deep_sleep_master_switch(struct pp_hwmgr *hwmgr)
{
	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
			PHM_PlatformCaps_SclkDeepSleep)) {
		if (smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_MASTER_DeepSleep_ON))
			PP_ASSERT_WITH_CODE(false,
					"Attempt to enable Master Deep Sleep switch failed!",
					return -EINVAL);
	} else {
		if (smum_send_msg_to_smc(hwmgr->smumgr,
				PPSMC_MSG_MASTER_DeepSleep_OFF)) {
			PP_ASSERT_WITH_CODE(false,
					"Attempt to disable Master Deep Sleep switch failed!",
					return -EINVAL);
		}
	}

	return 0;
}

static int smu7_disable_deep_sleep_master_switch(struct pp_hwmgr *hwmgr)
{
	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
			PHM_PlatformCaps_SclkDeepSleep)) {
		if (smum_send_msg_to_smc(hwmgr->smumgr,
				PPSMC_MSG_MASTER_DeepSleep_OFF)) {
			PP_ASSERT_WITH_CODE(false,
					"Attempt to disable Master Deep Sleep switch failed!",
					return -EINVAL);
		}
	}

	return 0;
}

static int smu7_disable_handshake_uvd(struct pp_hwmgr *hwmgr)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
	uint32_t soft_register_value = 0;
	uint32_t handshake_disables_offset = data->soft_regs_start
				+ smum_get_offsetof(hwmgr->smumgr,
					SMU_SoftRegisters, HandshakeDisables);

	soft_register_value = cgs_read_ind_register(hwmgr->device,
				CGS_IND_REG__SMC, handshake_disables_offset);
	soft_register_value |= smum_get_mac_definition(hwmgr->smumgr,
					SMU_UVD_MCLK_HANDSHAKE_DISABLE);
	cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
			handshake_disables_offset, soft_register_value);
	return 0;
}

static int smu7_enable_sclk_mclk_dpm(struct pp_hwmgr *hwmgr)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

	/* enable SCLK dpm */
	if (!data->sclk_dpm_key_disabled)
		PP_ASSERT_WITH_CODE(
		(0 == smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_DPM_Enable)),
		"Failed to enable SCLK DPM during DPM Start Function!",
		return -EINVAL);

	/* enable MCLK dpm */
	if (0 == data->mclk_dpm_key_disabled) {
		if (!(hwmgr->feature_mask & PP_UVD_HANDSHAKE_MASK))
			smu7_disable_handshake_uvd(hwmgr);
		PP_ASSERT_WITH_CODE(
				(0 == smum_send_msg_to_smc(hwmgr->smumgr,
						PPSMC_MSG_MCLKDPM_Enable)),
				"Failed to enable MCLK DPM during DPM Start Function!",
				return -EINVAL);

		PHM_WRITE_FIELD(hwmgr->device, MC_SEQ_CNTL_3, CAC_EN, 0x1);

		cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixLCAC_MC0_CNTL, 0x5);
		cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixLCAC_MC1_CNTL, 0x5);
		cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixLCAC_CPL_CNTL, 0x100005);
		udelay(10);
		cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixLCAC_MC0_CNTL, 0x400005);
		cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixLCAC_MC1_CNTL, 0x400005);
		cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixLCAC_CPL_CNTL, 0x500005);
	}

	return 0;
}

static int smu7_start_dpm(struct pp_hwmgr *hwmgr)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

	/*enable general power management */

	PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, GENERAL_PWRMGT,
			GLOBAL_PWRMGT_EN, 1);

	/* enable sclk deep sleep */

	PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, SCLK_PWRMGT_CNTL,
			DYNAMIC_PM_EN, 1);

	/* prepare for PCIE DPM */

	cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
			data->soft_regs_start +
			smum_get_offsetof(hwmgr->smumgr, SMU_SoftRegisters,
						VoltageChangeTimeout), 0x1000);
	PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__PCIE,
			SWRST_COMMAND_1, RESETLC, 0x0);

	PP_ASSERT_WITH_CODE(
			(0 == smum_send_msg_to_smc(hwmgr->smumgr,
					PPSMC_MSG_Voltage_Cntl_Enable)),
			"Failed to enable voltage DPM during DPM Start Function!",
			return -EINVAL);


	if (smu7_enable_sclk_mclk_dpm(hwmgr)) {
		printk(KERN_ERR "Failed to enable Sclk DPM and Mclk DPM!");
		return -EINVAL;
	}

	/* enable PCIE dpm */
	if (0 == data->pcie_dpm_key_disabled) {
		PP_ASSERT_WITH_CODE(
				(0 == smum_send_msg_to_smc(hwmgr->smumgr,
						PPSMC_MSG_PCIeDPM_Enable)),
				"Failed to enable pcie DPM during DPM Start Function!",
				return -EINVAL);
	}

	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
				PHM_PlatformCaps_Falcon_QuickTransition)) {
		PP_ASSERT_WITH_CODE((0 == smum_send_msg_to_smc(hwmgr->smumgr,
				PPSMC_MSG_EnableACDCGPIOInterrupt)),
				"Failed to enable AC DC GPIO Interrupt!",
				);
	}

	return 0;
}

static int smu7_disable_sclk_mclk_dpm(struct pp_hwmgr *hwmgr)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

	/* disable SCLK dpm */
	if (!data->sclk_dpm_key_disabled) {
		PP_ASSERT_WITH_CODE(true == smum_is_dpm_running(hwmgr),
				"Trying to disable SCLK DPM when DPM is disabled",
				return 0);
		smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_DPM_Disable);
	}

	/* disable MCLK dpm */
	if (!data->mclk_dpm_key_disabled) {
		PP_ASSERT_WITH_CODE(true == smum_is_dpm_running(hwmgr),
				"Trying to disable MCLK DPM when DPM is disabled",
				return 0);
		smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_MCLKDPM_Disable);
	}

	return 0;
}

static int smu7_stop_dpm(struct pp_hwmgr *hwmgr)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

	/* disable general power management */
	PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, GENERAL_PWRMGT,
			GLOBAL_PWRMGT_EN, 0);
	/* disable sclk deep sleep */
	PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, SCLK_PWRMGT_CNTL,
			DYNAMIC_PM_EN, 0);

	/* disable PCIE dpm */
	if (!data->pcie_dpm_key_disabled) {
		PP_ASSERT_WITH_CODE(
				(smum_send_msg_to_smc(hwmgr->smumgr,
						PPSMC_MSG_PCIeDPM_Disable) == 0),
				"Failed to disable pcie DPM during DPM Stop Function!",
				return -EINVAL);
	}

	smu7_disable_sclk_mclk_dpm(hwmgr);

	PP_ASSERT_WITH_CODE(true == smum_is_dpm_running(hwmgr),
			"Trying to disable voltage DPM when DPM is disabled",
			return 0);

	smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_Voltage_Cntl_Disable);

	return 0;
}

static void smu7_set_dpm_event_sources(struct pp_hwmgr *hwmgr, uint32_t sources)
{
	bool protection;
	enum DPM_EVENT_SRC src;

	switch (sources) {
	default:
		printk(KERN_ERR "Unknown throttling event sources.");
		/* fall through */
	case 0:
		protection = false;
		/* src is unused */
		break;
	case (1 << PHM_AutoThrottleSource_Thermal):
		protection = true;
		src = DPM_EVENT_SRC_DIGITAL;
		break;
	case (1 << PHM_AutoThrottleSource_External):
		protection = true;
		src = DPM_EVENT_SRC_EXTERNAL;
		break;
	case (1 << PHM_AutoThrottleSource_External) |
			(1 << PHM_AutoThrottleSource_Thermal):
		protection = true;
		src = DPM_EVENT_SRC_DIGITAL_OR_EXTERNAL;
		break;
	}
	/* Order matters - don't enable thermal protection for the wrong source. */
	if (protection) {
		PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_THERMAL_CTRL,
				DPM_EVENT_SRC, src);
		PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, GENERAL_PWRMGT,
				THERMAL_PROTECTION_DIS,
				!phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
						PHM_PlatformCaps_ThermalController));
	} else
		PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, GENERAL_PWRMGT,
				THERMAL_PROTECTION_DIS, 1);
}

static int smu7_enable_auto_throttle_source(struct pp_hwmgr *hwmgr,
		PHM_AutoThrottleSource source)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

	if (!(data->active_auto_throttle_sources & (1 << source))) {
		data->active_auto_throttle_sources |= 1 << source;
		smu7_set_dpm_event_sources(hwmgr, data->active_auto_throttle_sources);
	}
	return 0;
}

static int smu7_enable_thermal_auto_throttle(struct pp_hwmgr *hwmgr)
{
	return smu7_enable_auto_throttle_source(hwmgr, PHM_AutoThrottleSource_Thermal);
}

static int smu7_disable_auto_throttle_source(struct pp_hwmgr *hwmgr,
		PHM_AutoThrottleSource source)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

	if (data->active_auto_throttle_sources & (1 << source)) {
		data->active_auto_throttle_sources &= ~(1 << source);
		smu7_set_dpm_event_sources(hwmgr, data->active_auto_throttle_sources);
	}
	return 0;
}

static int smu7_disable_thermal_auto_throttle(struct pp_hwmgr *hwmgr)
{
	return smu7_disable_auto_throttle_source(hwmgr, PHM_AutoThrottleSource_Thermal);
}

int smu7_pcie_performance_request(struct pp_hwmgr *hwmgr)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
	data->pcie_performance_request = true;

	return 0;
}

int smu7_enable_dpm_tasks(struct pp_hwmgr *hwmgr)
{
	int tmp_result = 0;
	int result = 0;

	tmp_result = (!smum_is_dpm_running(hwmgr)) ? 0 : -1;
	PP_ASSERT_WITH_CODE(tmp_result == 0,
			"DPM is already running",
			);

	if (smu7_voltage_control(hwmgr)) {
		tmp_result = smu7_enable_voltage_control(hwmgr);
		PP_ASSERT_WITH_CODE(tmp_result == 0,
				"Failed to enable voltage control!",
				result = tmp_result);

		tmp_result = smu7_construct_voltage_tables(hwmgr);
		PP_ASSERT_WITH_CODE((0 == tmp_result),
				"Failed to contruct voltage tables!",
				result = tmp_result);
	}
	smum_initialize_mc_reg_table(hwmgr);

	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
			PHM_PlatformCaps_EngineSpreadSpectrumSupport))
		PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
				GENERAL_PWRMGT, DYN_SPREAD_SPECTRUM_EN, 1);

	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
			PHM_PlatformCaps_ThermalController))
		PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
				GENERAL_PWRMGT, THERMAL_PROTECTION_DIS, 0);

	tmp_result = smu7_program_static_screen_threshold_parameters(hwmgr);
	PP_ASSERT_WITH_CODE((0 == tmp_result),
			"Failed to program static screen threshold parameters!",
			result = tmp_result);

	tmp_result = smu7_enable_display_gap(hwmgr);
	PP_ASSERT_WITH_CODE((0 == tmp_result),
			"Failed to enable display gap!", result = tmp_result);

	tmp_result = smu7_program_voting_clients(hwmgr);
	PP_ASSERT_WITH_CODE((0 == tmp_result),
			"Failed to program voting clients!", result = tmp_result);

	tmp_result = smum_process_firmware_header(hwmgr);
	PP_ASSERT_WITH_CODE((0 == tmp_result),
			"Failed to process firmware header!", result = tmp_result);

	tmp_result = smu7_initial_switch_from_arbf0_to_f1(hwmgr);
	PP_ASSERT_WITH_CODE((0 == tmp_result),
			"Failed to initialize switch from ArbF0 to F1!",
			result = tmp_result);

	result = smu7_setup_default_dpm_tables(hwmgr);
	PP_ASSERT_WITH_CODE(0 == result,
			"Failed to setup default DPM tables!", return result);

	tmp_result = smum_init_smc_table(hwmgr);
	PP_ASSERT_WITH_CODE((0 == tmp_result),
			"Failed to initialize SMC table!", result = tmp_result);

	tmp_result = smu7_enable_vrhot_gpio_interrupt(hwmgr);
	PP_ASSERT_WITH_CODE((0 == tmp_result),
			"Failed to enable VR hot GPIO interrupt!", result = tmp_result);

	smum_send_msg_to_smc(hwmgr->smumgr, (PPSMC_Msg)PPSMC_NoDisplay);

	tmp_result = smu7_enable_sclk_control(hwmgr);
	PP_ASSERT_WITH_CODE((0 == tmp_result),
			"Failed to enable SCLK control!", result = tmp_result);

	tmp_result = smu7_enable_smc_voltage_controller(hwmgr);
	PP_ASSERT_WITH_CODE((0 == tmp_result),
			"Failed to enable voltage control!", result = tmp_result);

	tmp_result = smu7_enable_ulv(hwmgr);
	PP_ASSERT_WITH_CODE((0 == tmp_result),
			"Failed to enable ULV!", result = tmp_result);

	tmp_result = smu7_enable_deep_sleep_master_switch(hwmgr);
	PP_ASSERT_WITH_CODE((0 == tmp_result),
			"Failed to enable deep sleep master switch!", result = tmp_result);

	tmp_result = smu7_enable_didt_config(hwmgr);
	PP_ASSERT_WITH_CODE((tmp_result == 0),
			"Failed to enable deep sleep master switch!", result = tmp_result);

	tmp_result = smu7_start_dpm(hwmgr);
	PP_ASSERT_WITH_CODE((0 == tmp_result),
			"Failed to start DPM!", result = tmp_result);

	tmp_result = smu7_enable_smc_cac(hwmgr);
	PP_ASSERT_WITH_CODE((0 == tmp_result),
			"Failed to enable SMC CAC!", result = tmp_result);

	tmp_result = smu7_enable_power_containment(hwmgr);
	PP_ASSERT_WITH_CODE((0 == tmp_result),
			"Failed to enable power containment!", result = tmp_result);

	tmp_result = smu7_power_control_set_level(hwmgr);
	PP_ASSERT_WITH_CODE((0 == tmp_result),
			"Failed to power control set level!", result = tmp_result);

	tmp_result = smu7_enable_thermal_auto_throttle(hwmgr);
	PP_ASSERT_WITH_CODE((0 == tmp_result),
			"Failed to enable thermal auto throttle!", result = tmp_result);

	tmp_result = smu7_pcie_performance_request(hwmgr);
	PP_ASSERT_WITH_CODE((0 == tmp_result),
			"pcie performance request failed!", result = tmp_result);

	return 0;
}

int smu7_disable_dpm_tasks(struct pp_hwmgr *hwmgr)
{
	int tmp_result, result = 0;

	tmp_result = (smum_is_dpm_running(hwmgr)) ? 0 : -1;
	PP_ASSERT_WITH_CODE(tmp_result == 0,
			"DPM is not running right now, no need to disable DPM!",
			return 0);

	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
			PHM_PlatformCaps_ThermalController))
		PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
				GENERAL_PWRMGT, THERMAL_PROTECTION_DIS, 1);

	tmp_result = smu7_disable_power_containment(hwmgr);
	PP_ASSERT_WITH_CODE((tmp_result == 0),
			"Failed to disable power containment!", result = tmp_result);

	tmp_result = smu7_disable_smc_cac(hwmgr);
	PP_ASSERT_WITH_CODE((tmp_result == 0),
			"Failed to disable SMC CAC!", result = tmp_result);

	PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
			CG_SPLL_SPREAD_SPECTRUM, SSEN, 0);
	PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
			GENERAL_PWRMGT, DYN_SPREAD_SPECTRUM_EN, 0);

	tmp_result = smu7_disable_thermal_auto_throttle(hwmgr);
	PP_ASSERT_WITH_CODE((tmp_result == 0),
			"Failed to disable thermal auto throttle!", result = tmp_result);

	if (1 == PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, FEATURE_STATUS, AVS_ON)) {
		PP_ASSERT_WITH_CODE((0 == smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_DisableAvfs)),
					"Failed to disable AVFS!",
					return -EINVAL);
	}

	tmp_result = smu7_stop_dpm(hwmgr);
	PP_ASSERT_WITH_CODE((tmp_result == 0),
			"Failed to stop DPM!", result = tmp_result);

	tmp_result = smu7_disable_deep_sleep_master_switch(hwmgr);
	PP_ASSERT_WITH_CODE((tmp_result == 0),
			"Failed to disable deep sleep master switch!", result = tmp_result);

	tmp_result = smu7_disable_ulv(hwmgr);
	PP_ASSERT_WITH_CODE((tmp_result == 0),
			"Failed to disable ULV!", result = tmp_result);

	tmp_result = smu7_clear_voting_clients(hwmgr);
	PP_ASSERT_WITH_CODE((tmp_result == 0),
			"Failed to clear voting clients!", result = tmp_result);

	tmp_result = smu7_reset_to_default(hwmgr);
	PP_ASSERT_WITH_CODE((tmp_result == 0),
			"Failed to reset to default!", result = tmp_result);

	tmp_result = smu7_force_switch_to_arbf0(hwmgr);
	PP_ASSERT_WITH_CODE((tmp_result == 0),
			"Failed to force to switch arbf0!", result = tmp_result);

	return result;
}

int smu7_reset_asic_tasks(struct pp_hwmgr *hwmgr)
{

	return 0;
}

static void smu7_init_dpm_defaults(struct pp_hwmgr *hwmgr)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
	struct phm_ppt_v1_information *table_info =
			(struct phm_ppt_v1_information *)(hwmgr->pptable);

	data->dll_default_on = false;
	data->mclk_dpm0_activity_target = 0xa;
	data->mclk_activity_target = SMU7_MCLK_TARGETACTIVITY_DFLT;
	data->vddc_vddgfx_delta = 300;
	data->static_screen_threshold = SMU7_STATICSCREENTHRESHOLD_DFLT;
	data->static_screen_threshold_unit = SMU7_STATICSCREENTHRESHOLDUNIT_DFLT;
	data->voting_rights_clients0 = SMU7_VOTINGRIGHTSCLIENTS_DFLT0;
	data->voting_rights_clients1 = SMU7_VOTINGRIGHTSCLIENTS_DFLT1;
	data->voting_rights_clients2 = SMU7_VOTINGRIGHTSCLIENTS_DFLT2;
	data->voting_rights_clients3 = SMU7_VOTINGRIGHTSCLIENTS_DFLT3;
	data->voting_rights_clients4 = SMU7_VOTINGRIGHTSCLIENTS_DFLT4;
	data->voting_rights_clients5 = SMU7_VOTINGRIGHTSCLIENTS_DFLT5;
	data->voting_rights_clients6 = SMU7_VOTINGRIGHTSCLIENTS_DFLT6;
	data->voting_rights_clients7 = SMU7_VOTINGRIGHTSCLIENTS_DFLT7;

	data->mclk_dpm_key_disabled = hwmgr->feature_mask & PP_MCLK_DPM_MASK ? false : true;
	data->sclk_dpm_key_disabled = hwmgr->feature_mask & PP_SCLK_DPM_MASK ? false : true;
	data->pcie_dpm_key_disabled = hwmgr->feature_mask & PP_PCIE_DPM_MASK ? false : true;
	/* need to set voltage control types before EVV patching */
	data->voltage_control = SMU7_VOLTAGE_CONTROL_NONE;
	data->vddci_control = SMU7_VOLTAGE_CONTROL_NONE;
	data->mvdd_control = SMU7_VOLTAGE_CONTROL_NONE;
	data->enable_tdc_limit_feature = true;
	data->enable_pkg_pwr_tracking_feature = true;
	data->force_pcie_gen = PP_PCIEGenInvalid;
	data->ulv_supported = hwmgr->feature_mask & PP_ULV_MASK ? true : false;

	data->fast_watermark_threshold = 100;
	if (atomctrl_is_voltage_controled_by_gpio_v3(hwmgr,
			VOLTAGE_TYPE_VDDC, VOLTAGE_OBJ_SVID2))
		data->voltage_control = SMU7_VOLTAGE_CONTROL_BY_SVID2;

	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
			PHM_PlatformCaps_ControlVDDGFX)) {
		if (atomctrl_is_voltage_controled_by_gpio_v3(hwmgr,
			VOLTAGE_TYPE_VDDGFX, VOLTAGE_OBJ_SVID2)) {
			data->vdd_gfx_control = SMU7_VOLTAGE_CONTROL_BY_SVID2;
		}
	}

	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
			PHM_PlatformCaps_EnableMVDDControl)) {
		if (atomctrl_is_voltage_controled_by_gpio_v3(hwmgr,
				VOLTAGE_TYPE_MVDDC, VOLTAGE_OBJ_GPIO_LUT))
			data->mvdd_control = SMU7_VOLTAGE_CONTROL_BY_GPIO;
		else if (atomctrl_is_voltage_controled_by_gpio_v3(hwmgr,
				VOLTAGE_TYPE_MVDDC, VOLTAGE_OBJ_SVID2))
			data->mvdd_control = SMU7_VOLTAGE_CONTROL_BY_SVID2;
	}

	if (SMU7_VOLTAGE_CONTROL_NONE == data->vdd_gfx_control) {
		phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
			PHM_PlatformCaps_ControlVDDGFX);
	}

	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
			PHM_PlatformCaps_ControlVDDCI)) {
		if (atomctrl_is_voltage_controled_by_gpio_v3(hwmgr,
				VOLTAGE_TYPE_VDDCI, VOLTAGE_OBJ_GPIO_LUT))
			data->vddci_control = SMU7_VOLTAGE_CONTROL_BY_GPIO;
		else if (atomctrl_is_voltage_controled_by_gpio_v3(hwmgr,
				VOLTAGE_TYPE_VDDCI, VOLTAGE_OBJ_SVID2))
			data->vddci_control = SMU7_VOLTAGE_CONTROL_BY_SVID2;
	}

	if (data->mvdd_control == SMU7_VOLTAGE_CONTROL_NONE)
		phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
				PHM_PlatformCaps_EnableMVDDControl);

	if (data->vddci_control == SMU7_VOLTAGE_CONTROL_NONE)
		phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
				PHM_PlatformCaps_ControlVDDCI);

	if ((hwmgr->pp_table_version != PP_TABLE_V0)
		&& (table_info->cac_dtp_table->usClockStretchAmount != 0))
		phm_cap_set(hwmgr->platform_descriptor.platformCaps,
					PHM_PlatformCaps_ClockStretcher);

	data->pcie_gen_performance.max = PP_PCIEGen1;
	data->pcie_gen_performance.min = PP_PCIEGen3;
	data->pcie_gen_power_saving.max = PP_PCIEGen1;
	data->pcie_gen_power_saving.min = PP_PCIEGen3;
	data->pcie_lane_performance.max = 0;
	data->pcie_lane_performance.min = 16;
	data->pcie_lane_power_saving.max = 0;
	data->pcie_lane_power_saving.min = 16;
}

/**
* Get Leakage VDDC based on leakage ID.
*
* @param    hwmgr  the address of the powerplay hardware manager.
* @return   always 0
*/
static int smu7_get_evv_voltages(struct pp_hwmgr *hwmgr)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
	uint16_t vv_id;
	uint16_t vddc = 0;
	uint16_t vddgfx = 0;
	uint16_t i, j;
	uint32_t sclk = 0;
	struct phm_ppt_v1_information *table_info =
			(struct phm_ppt_v1_information *)hwmgr->pptable;
	struct phm_ppt_v1_clock_voltage_dependency_table *sclk_table = NULL;


	for (i = 0; i < SMU7_MAX_LEAKAGE_COUNT; i++) {
		vv_id = ATOM_VIRTUAL_VOLTAGE_ID0 + i;

		if (data->vdd_gfx_control == SMU7_VOLTAGE_CONTROL_BY_SVID2) {
			if ((hwmgr->pp_table_version == PP_TABLE_V1)
			    && !phm_get_sclk_for_voltage_evv(hwmgr,
						table_info->vddgfx_lookup_table, vv_id, &sclk)) {
				if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
							PHM_PlatformCaps_ClockStretcher)) {
					sclk_table = table_info->vdd_dep_on_sclk;

					for (j = 1; j < sclk_table->count; j++) {
						if (sclk_table->entries[j].clk == sclk &&
								sclk_table->entries[j].cks_enable == 0) {
							sclk += 5000;
							break;
						}
					}
				}
				if (0 == atomctrl_get_voltage_evv_on_sclk
				    (hwmgr, VOLTAGE_TYPE_VDDGFX, sclk,
				     vv_id, &vddgfx)) {
					/* need to make sure vddgfx is less than 2v or else, it could burn the ASIC. */
					PP_ASSERT_WITH_CODE((vddgfx < 2000 && vddgfx != 0), "Invalid VDDGFX value!", return -EINVAL);

					/* the voltage should not be zero nor equal to leakage ID */
					if (vddgfx != 0 && vddgfx != vv_id) {
						data->vddcgfx_leakage.actual_voltage[data->vddcgfx_leakage.count] = vddgfx;
						data->vddcgfx_leakage.leakage_id[data->vddcgfx_leakage.count] = vv_id;
						data->vddcgfx_leakage.count++;
					}
				} else {
					printk("Error retrieving EVV voltage value!\n");
				}
			}
		} else {
			if ((hwmgr->pp_table_version == PP_TABLE_V0)
				|| !phm_get_sclk_for_voltage_evv(hwmgr,
					table_info->vddc_lookup_table, vv_id, &sclk)) {
				if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
						PHM_PlatformCaps_ClockStretcher)) {
					if (table_info == NULL)
						return -EINVAL;
					sclk_table = table_info->vdd_dep_on_sclk;

					for (j = 1; j < sclk_table->count; j++) {
						if (sclk_table->entries[j].clk == sclk &&
								sclk_table->entries[j].cks_enable == 0) {
							sclk += 5000;
							break;
						}
					}
				}

				if (phm_get_voltage_evv_on_sclk(hwmgr,
							VOLTAGE_TYPE_VDDC,
							sclk, vv_id, &vddc) == 0) {
					if (vddc >= 2000 || vddc == 0)
						return -EINVAL;
				} else {
					printk(KERN_WARNING "failed to retrieving EVV voltage!\n");
					continue;
				}

				/* the voltage should not be zero nor equal to leakage ID */
				if (vddc != 0 && vddc != vv_id) {
					data->vddc_leakage.actual_voltage[data->vddc_leakage.count] = (uint16_t)(vddc);
					data->vddc_leakage.leakage_id[data->vddc_leakage.count] = vv_id;
					data->vddc_leakage.count++;
				}
			}
		}
	}

	return 0;
}

/**
 * Change virtual leakage voltage to actual value.
 *
 * @param     hwmgr  the address of the powerplay hardware manager.
 * @param     pointer to changing voltage
 * @param     pointer to leakage table
 */
static void smu7_patch_ppt_v1_with_vdd_leakage(struct pp_hwmgr *hwmgr,
		uint16_t *voltage, struct smu7_leakage_voltage *leakage_table)
{
	uint32_t index;

	/* search for leakage voltage ID 0xff01 ~ 0xff08 */
	for (index = 0; index < leakage_table->count; index++) {
		/* if this voltage matches a leakage voltage ID */
		/* patch with actual leakage voltage */
		if (leakage_table->leakage_id[index] == *voltage) {
			*voltage = leakage_table->actual_voltage[index];
			break;
		}
	}

	if (*voltage > ATOM_VIRTUAL_VOLTAGE_ID0)
		printk(KERN_ERR "Voltage value looks like a Leakage ID but it's not patched \n");
}

/**
* Patch voltage lookup table by EVV leakages.
*
* @param     hwmgr  the address of the powerplay hardware manager.
* @param     pointer to voltage lookup table
* @param     pointer to leakage table
* @return     always 0
*/
static int smu7_patch_lookup_table_with_leakage(struct pp_hwmgr *hwmgr,
		phm_ppt_v1_voltage_lookup_table *lookup_table,
		struct smu7_leakage_voltage *leakage_table)
{
	uint32_t i;

	for (i = 0; i < lookup_table->count; i++)
		smu7_patch_ppt_v1_with_vdd_leakage(hwmgr,
				&lookup_table->entries[i].us_vdd, leakage_table);

	return 0;
}

static int smu7_patch_clock_voltage_limits_with_vddc_leakage(
		struct pp_hwmgr *hwmgr, struct smu7_leakage_voltage *leakage_table,
		uint16_t *vddc)
{
	struct phm_ppt_v1_information *table_info =
			(struct phm_ppt_v1_information *)(hwmgr->pptable);
	smu7_patch_ppt_v1_with_vdd_leakage(hwmgr, (uint16_t *)vddc, leakage_table);
	hwmgr->dyn_state.max_clock_voltage_on_dc.vddc =
			table_info->max_clock_voltage_on_dc.vddc;
	return 0;
}

static int smu7_patch_voltage_dependency_tables_with_lookup_table(
		struct pp_hwmgr *hwmgr)
{
	uint8_t entry_id;
	uint8_t voltage_id;
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
	struct phm_ppt_v1_information *table_info =
			(struct phm_ppt_v1_information *)(hwmgr->pptable);

	struct phm_ppt_v1_clock_voltage_dependency_table *sclk_table =
			table_info->vdd_dep_on_sclk;
	struct phm_ppt_v1_clock_voltage_dependency_table *mclk_table =
			table_info->vdd_dep_on_mclk;
	struct phm_ppt_v1_mm_clock_voltage_dependency_table *mm_table =
			table_info->mm_dep_table;

	if (data->vdd_gfx_control == SMU7_VOLTAGE_CONTROL_BY_SVID2) {
		for (entry_id = 0; entry_id < sclk_table->count; ++entry_id) {
			voltage_id = sclk_table->entries[entry_id].vddInd;
			sclk_table->entries[entry_id].vddgfx =
				table_info->vddgfx_lookup_table->entries[voltage_id].us_vdd;
		}
	} else {
		for (entry_id = 0; entry_id < sclk_table->count; ++entry_id) {
			voltage_id = sclk_table->entries[entry_id].vddInd;
			sclk_table->entries[entry_id].vddc =
				table_info->vddc_lookup_table->entries[voltage_id].us_vdd;
		}
	}

	for (entry_id = 0; entry_id < mclk_table->count; ++entry_id) {
		voltage_id = mclk_table->entries[entry_id].vddInd;
		mclk_table->entries[entry_id].vddc =
			table_info->vddc_lookup_table->entries[voltage_id].us_vdd;
	}

	for (entry_id = 0; entry_id < mm_table->count; ++entry_id) {
		voltage_id = mm_table->entries[entry_id].vddcInd;
		mm_table->entries[entry_id].vddc =
			table_info->vddc_lookup_table->entries[voltage_id].us_vdd;
	}

	return 0;

}

static int phm_add_voltage(struct pp_hwmgr *hwmgr,
			phm_ppt_v1_voltage_lookup_table *look_up_table,
			phm_ppt_v1_voltage_lookup_record *record)
{
	uint32_t i;

	PP_ASSERT_WITH_CODE((NULL != look_up_table),
		"Lookup Table empty.", return -EINVAL);
	PP_ASSERT_WITH_CODE((0 != look_up_table->count),
		"Lookup Table empty.", return -EINVAL);

	i = smum_get_mac_definition(hwmgr->smumgr, SMU_MAX_LEVELS_VDDGFX);
	PP_ASSERT_WITH_CODE((i >= look_up_table->count),
		"Lookup Table is full.", return -EINVAL);

	/* This is to avoid entering duplicate calculated records. */
	for (i = 0; i < look_up_table->count; i++) {
		if (look_up_table->entries[i].us_vdd == record->us_vdd) {
			if (look_up_table->entries[i].us_calculated == 1)
				return 0;
			break;
		}
	}

	look_up_table->entries[i].us_calculated = 1;
	look_up_table->entries[i].us_vdd = record->us_vdd;
	look_up_table->entries[i].us_cac_low = record->us_cac_low;
	look_up_table->entries[i].us_cac_mid = record->us_cac_mid;
	look_up_table->entries[i].us_cac_high = record->us_cac_high;
	/* Only increment the count when we're appending, not replacing duplicate entry. */
	if (i == look_up_table->count)
		look_up_table->count++;

	return 0;
}


static int smu7_calc_voltage_dependency_tables(struct pp_hwmgr *hwmgr)
{
	uint8_t entry_id;
	struct phm_ppt_v1_voltage_lookup_record v_record;
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
	struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable);

	phm_ppt_v1_clock_voltage_dependency_table *sclk_table = pptable_info->vdd_dep_on_sclk;
	phm_ppt_v1_clock_voltage_dependency_table *mclk_table = pptable_info->vdd_dep_on_mclk;

	if (data->vdd_gfx_control == SMU7_VOLTAGE_CONTROL_BY_SVID2) {
		for (entry_id = 0; entry_id < sclk_table->count; ++entry_id) {
			if (sclk_table->entries[entry_id].vdd_offset & (1 << 15))
				v_record.us_vdd = sclk_table->entries[entry_id].vddgfx +
					sclk_table->entries[entry_id].vdd_offset - 0xFFFF;
			else
				v_record.us_vdd = sclk_table->entries[entry_id].vddgfx +
					sclk_table->entries[entry_id].vdd_offset;

			sclk_table->entries[entry_id].vddc =
				v_record.us_cac_low = v_record.us_cac_mid =
				v_record.us_cac_high = v_record.us_vdd;

			phm_add_voltage(hwmgr, pptable_info->vddc_lookup_table, &v_record);
		}

		for (entry_id = 0; entry_id < mclk_table->count; ++entry_id) {
			if (mclk_table->entries[entry_id].vdd_offset & (1 << 15))
				v_record.us_vdd = mclk_table->entries[entry_id].vddc +
					mclk_table->entries[entry_id].vdd_offset - 0xFFFF;
			else
				v_record.us_vdd = mclk_table->entries[entry_id].vddc +
					mclk_table->entries[entry_id].vdd_offset;

			mclk_table->entries[entry_id].vddgfx = v_record.us_cac_low =
				v_record.us_cac_mid = v_record.us_cac_high = v_record.us_vdd;
			phm_add_voltage(hwmgr, pptable_info->vddgfx_lookup_table, &v_record);
		}
	}
	return 0;
}

static int smu7_calc_mm_voltage_dependency_table(struct pp_hwmgr *hwmgr)
{
	uint8_t entry_id;
	struct phm_ppt_v1_voltage_lookup_record v_record;
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
	struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable);
	phm_ppt_v1_mm_clock_voltage_dependency_table *mm_table = pptable_info->mm_dep_table;

	if (data->vdd_gfx_control == SMU7_VOLTAGE_CONTROL_BY_SVID2) {
		for (entry_id = 0; entry_id < mm_table->count; entry_id++) {
			if (mm_table->entries[entry_id].vddgfx_offset & (1 << 15))
				v_record.us_vdd = mm_table->entries[entry_id].vddc +
					mm_table->entries[entry_id].vddgfx_offset - 0xFFFF;
			else
				v_record.us_vdd = mm_table->entries[entry_id].vddc +
					mm_table->entries[entry_id].vddgfx_offset;

			/* Add the calculated VDDGFX to the VDDGFX lookup table */
			mm_table->entries[entry_id].vddgfx = v_record.us_cac_low =
				v_record.us_cac_mid = v_record.us_cac_high = v_record.us_vdd;
			phm_add_voltage(hwmgr, pptable_info->vddgfx_lookup_table, &v_record);
		}
	}
	return 0;
}

static int smu7_sort_lookup_table(struct pp_hwmgr *hwmgr,
		struct phm_ppt_v1_voltage_lookup_table *lookup_table)
{
	uint32_t table_size, i, j;
	struct phm_ppt_v1_voltage_lookup_record tmp_voltage_lookup_record;
	table_size = lookup_table->count;

	PP_ASSERT_WITH_CODE(0 != lookup_table->count,
		"Lookup table is empty", return -EINVAL);

	/* Sorting voltages */
	for (i = 0; i < table_size - 1; i++) {
		for (j = i + 1; j > 0; j--) {
			if (lookup_table->entries[j].us_vdd <
					lookup_table->entries[j - 1].us_vdd) {
				tmp_voltage_lookup_record = lookup_table->entries[j - 1];
				lookup_table->entries[j - 1] = lookup_table->entries[j];
				lookup_table->entries[j] = tmp_voltage_lookup_record;
			}
		}
	}

	return 0;
}

static int smu7_complete_dependency_tables(struct pp_hwmgr *hwmgr)
{
	int result = 0;
	int tmp_result;
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
	struct phm_ppt_v1_information *table_info =
			(struct phm_ppt_v1_information *)(hwmgr->pptable);

	if (data->vdd_gfx_control == SMU7_VOLTAGE_CONTROL_BY_SVID2) {
		tmp_result = smu7_patch_lookup_table_with_leakage(hwmgr,
			table_info->vddgfx_lookup_table, &(data->vddcgfx_leakage));
		if (tmp_result != 0)
			result = tmp_result;

		smu7_patch_ppt_v1_with_vdd_leakage(hwmgr,
			&table_info->max_clock_voltage_on_dc.vddgfx, &(data->vddcgfx_leakage));
	} else {

		tmp_result = smu7_patch_lookup_table_with_leakage(hwmgr,
				table_info->vddc_lookup_table, &(data->vddc_leakage));
		if (tmp_result)
			result = tmp_result;

		tmp_result = smu7_patch_clock_voltage_limits_with_vddc_leakage(hwmgr,
				&(data->vddc_leakage), &table_info->max_clock_voltage_on_dc.vddc);
		if (tmp_result)
			result = tmp_result;
	}

	tmp_result = smu7_patch_voltage_dependency_tables_with_lookup_table(hwmgr);
	if (tmp_result)
		result = tmp_result;

	tmp_result = smu7_calc_voltage_dependency_tables(hwmgr);
	if (tmp_result)
		result = tmp_result;

	tmp_result = smu7_calc_mm_voltage_dependency_table(hwmgr);
	if (tmp_result)
		result = tmp_result;

	tmp_result = smu7_sort_lookup_table(hwmgr, table_info->vddgfx_lookup_table);
	if (tmp_result)
		result = tmp_result;

	tmp_result = smu7_sort_lookup_table(hwmgr, table_info->vddc_lookup_table);
	if (tmp_result)
		result = tmp_result;

	return result;
}

static int smu7_set_private_data_based_on_pptable_v1(struct pp_hwmgr *hwmgr)
{
	struct phm_ppt_v1_information *table_info =
			(struct phm_ppt_v1_information *)(hwmgr->pptable);

	struct phm_ppt_v1_clock_voltage_dependency_table *allowed_sclk_vdd_table =
						table_info->vdd_dep_on_sclk;
	struct phm_ppt_v1_clock_voltage_dependency_table *allowed_mclk_vdd_table =
						table_info->vdd_dep_on_mclk;

	PP_ASSERT_WITH_CODE(allowed_sclk_vdd_table != NULL,
		"VDD dependency on SCLK table is missing.",
		return -EINVAL);
	PP_ASSERT_WITH_CODE(allowed_sclk_vdd_table->count >= 1,
		"VDD dependency on SCLK table has to have is missing.",
		return -EINVAL);

	PP_ASSERT_WITH_CODE(allowed_mclk_vdd_table != NULL,
		"VDD dependency on MCLK table is missing",
		return -EINVAL);
	PP_ASSERT_WITH_CODE(allowed_mclk_vdd_table->count >= 1,
		"VDD dependency on MCLK table has to have is missing.",
		return -EINVAL);

	table_info->max_clock_voltage_on_ac.sclk =
		allowed_sclk_vdd_table->entries[allowed_sclk_vdd_table->count - 1].clk;
	table_info->max_clock_voltage_on_ac.mclk =
		allowed_mclk_vdd_table->entries[allowed_mclk_vdd_table->count - 1].clk;
	table_info->max_clock_voltage_on_ac.vddc =
		allowed_sclk_vdd_table->entries[allowed_sclk_vdd_table->count - 1].vddc;
	table_info->max_clock_voltage_on_ac.vddci =
		allowed_mclk_vdd_table->entries[allowed_mclk_vdd_table->count - 1].vddci;

	hwmgr->dyn_state.max_clock_voltage_on_ac.sclk = table_info->max_clock_voltage_on_ac.sclk;
	hwmgr->dyn_state.max_clock_voltage_on_ac.mclk = table_info->max_clock_voltage_on_ac.mclk;
	hwmgr->dyn_state.max_clock_voltage_on_ac.vddc = table_info->max_clock_voltage_on_ac.vddc;
	hwmgr->dyn_state.max_clock_voltage_on_ac.vddci = table_info->max_clock_voltage_on_ac.vddci;

	return 0;
}

int smu7_patch_voltage_workaround(struct pp_hwmgr *hwmgr)
{
	struct phm_ppt_v1_information *table_info =
		       (struct phm_ppt_v1_information *)(hwmgr->pptable);
	struct phm_ppt_v1_clock_voltage_dependency_table *dep_mclk_table;
	struct phm_ppt_v1_voltage_lookup_table *lookup_table;
	uint32_t i;
	uint32_t hw_revision, sub_vendor_id, sub_sys_id;
	struct cgs_system_info sys_info = {0};

	if (table_info != NULL) {
		dep_mclk_table = table_info->vdd_dep_on_mclk;
		lookup_table = table_info->vddc_lookup_table;
	} else
		return 0;

	sys_info.size = sizeof(struct cgs_system_info);

	sys_info.info_id = CGS_SYSTEM_INFO_PCIE_REV;
	cgs_query_system_info(hwmgr->device, &sys_info);
	hw_revision = (uint32_t)sys_info.value;

	sys_info.info_id = CGS_SYSTEM_INFO_PCIE_SUB_SYS_ID;
	cgs_query_system_info(hwmgr->device, &sys_info);
	sub_sys_id = (uint32_t)sys_info.value;

	sys_info.info_id = CGS_SYSTEM_INFO_PCIE_SUB_SYS_VENDOR_ID;
	cgs_query_system_info(hwmgr->device, &sys_info);
	sub_vendor_id = (uint32_t)sys_info.value;

	if (hwmgr->chip_id == CHIP_POLARIS10 && hw_revision == 0xC7 &&
			((sub_sys_id == 0xb37 && sub_vendor_id == 0x1002) ||
		    (sub_sys_id == 0x4a8 && sub_vendor_id == 0x1043) ||
		    (sub_sys_id == 0x9480 && sub_vendor_id == 0x1682))) {
		if (lookup_table->entries[dep_mclk_table->entries[dep_mclk_table->count-1].vddInd].us_vdd >= 1000)
			return 0;

		for (i = 0; i < lookup_table->count; i++) {
			if (lookup_table->entries[i].us_vdd < 0xff01 && lookup_table->entries[i].us_vdd >= 1000) {
				dep_mclk_table->entries[dep_mclk_table->count-1].vddInd = (uint8_t) i;
				return 0;
			}
		}
	}
	return 0;
}

static int smu7_thermal_parameter_init(struct pp_hwmgr *hwmgr)
{
	struct pp_atomctrl_gpio_pin_assignment gpio_pin_assignment;
	uint32_t temp_reg;
	struct phm_ppt_v1_information *table_info =
			(struct phm_ppt_v1_information *)(hwmgr->pptable);


	if (atomctrl_get_pp_assign_pin(hwmgr, VDDC_PCC_GPIO_PINID, &gpio_pin_assignment)) {
		temp_reg = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCNB_PWRMGT_CNTL);
		switch (gpio_pin_assignment.uc_gpio_pin_bit_shift) {
		case 0:
			temp_reg = PHM_SET_FIELD(temp_reg, CNB_PWRMGT_CNTL, GNB_SLOW_MODE, 0x1);
			break;
		case 1:
			temp_reg = PHM_SET_FIELD(temp_reg, CNB_PWRMGT_CNTL, GNB_SLOW_MODE, 0x2);
			break;
		case 2:
			temp_reg = PHM_SET_FIELD(temp_reg, CNB_PWRMGT_CNTL, GNB_SLOW, 0x1);
			break;
		case 3:
			temp_reg = PHM_SET_FIELD(temp_reg, CNB_PWRMGT_CNTL, FORCE_NB_PS1, 0x1);
			break;
		case 4:
			temp_reg = PHM_SET_FIELD(temp_reg, CNB_PWRMGT_CNTL, DPM_ENABLED, 0x1);
			break;
		default:
			PP_ASSERT_WITH_CODE(0,
			"Failed to setup PCC HW register! Wrong GPIO assigned for VDDC_PCC_GPIO_PINID!",
			);
			break;
		}
		cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCNB_PWRMGT_CNTL, temp_reg);
	}

	if (table_info == NULL)
		return 0;

	if (table_info->cac_dtp_table->usDefaultTargetOperatingTemp != 0 &&
		hwmgr->thermal_controller.advanceFanControlParameters.ucFanControlMode) {
		hwmgr->thermal_controller.advanceFanControlParameters.usFanPWMMinLimit =
			(uint16_t)hwmgr->thermal_controller.advanceFanControlParameters.ucMinimumPWMLimit;

		hwmgr->thermal_controller.advanceFanControlParameters.usFanPWMMaxLimit =
			(uint16_t)hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanPWM;

		hwmgr->thermal_controller.advanceFanControlParameters.usFanPWMStep = 1;

		hwmgr->thermal_controller.advanceFanControlParameters.usFanRPMMaxLimit = 100;

		hwmgr->thermal_controller.advanceFanControlParameters.usFanRPMMinLimit =
			(uint16_t)hwmgr->thermal_controller.advanceFanControlParameters.ucMinimumPWMLimit;

		hwmgr->thermal_controller.advanceFanControlParameters.usFanRPMStep = 1;

		table_info->cac_dtp_table->usDefaultTargetOperatingTemp = (table_info->cac_dtp_table->usDefaultTargetOperatingTemp >= 50) ?
								(table_info->cac_dtp_table->usDefaultTargetOperatingTemp - 50) : 0;

		table_info->cac_dtp_table->usOperatingTempMaxLimit = table_info->cac_dtp_table->usDefaultTargetOperatingTemp;
		table_info->cac_dtp_table->usOperatingTempStep = 1;
		table_info->cac_dtp_table->usOperatingTempHyst = 1;

		hwmgr->thermal_controller.advanceFanControlParameters.usMaxFanPWM =
			       hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanPWM;

		hwmgr->thermal_controller.advanceFanControlParameters.usMaxFanRPM =
			       hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanRPM;

		hwmgr->dyn_state.cac_dtp_table->usOperatingTempMinLimit =
			       table_info->cac_dtp_table->usOperatingTempMinLimit;

		hwmgr->dyn_state.cac_dtp_table->usOperatingTempMaxLimit =
			       table_info->cac_dtp_table->usOperatingTempMaxLimit;

		hwmgr->dyn_state.cac_dtp_table->usDefaultTargetOperatingTemp =
			       table_info->cac_dtp_table->usDefaultTargetOperatingTemp;

		hwmgr->dyn_state.cac_dtp_table->usOperatingTempStep =
			       table_info->cac_dtp_table->usOperatingTempStep;

		hwmgr->dyn_state.cac_dtp_table->usTargetOperatingTemp =
			       table_info->cac_dtp_table->usTargetOperatingTemp;
		phm_cap_set(hwmgr->platform_descriptor.platformCaps,
						PHM_PlatformCaps_ODFuzzyFanControlSupport);
	}

	return 0;
}

/**
 * Change virtual leakage voltage to actual value.
 *
 * @param     hwmgr  the address of the powerplay hardware manager.
 * @param     pointer to changing voltage
 * @param     pointer to leakage table
 */
static void smu7_patch_ppt_v0_with_vdd_leakage(struct pp_hwmgr *hwmgr,
		uint32_t *voltage, struct smu7_leakage_voltage *leakage_table)
{
	uint32_t index;

	/* search for leakage voltage ID 0xff01 ~ 0xff08 */
	for (index = 0; index < leakage_table->count; index++) {
		/* if this voltage matches a leakage voltage ID */
		/* patch with actual leakage voltage */
		if (leakage_table->leakage_id[index] == *voltage) {
			*voltage = leakage_table->actual_voltage[index];
			break;
		}
	}

	if (*voltage > ATOM_VIRTUAL_VOLTAGE_ID0)
		printk(KERN_ERR "Voltage value looks like a Leakage ID but it's not patched \n");
}


static int smu7_patch_vddc(struct pp_hwmgr *hwmgr,
			      struct phm_clock_voltage_dependency_table *tab)
{
	uint16_t i;
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

	if (tab)
		for (i = 0; i < tab->count; i++)
			smu7_patch_ppt_v0_with_vdd_leakage(hwmgr, &tab->entries[i].v,
						&data->vddc_leakage);

	return 0;
}

static int smu7_patch_vddci(struct pp_hwmgr *hwmgr,
			       struct phm_clock_voltage_dependency_table *tab)
{
	uint16_t i;
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

	if (tab)
		for (i = 0; i < tab->count; i++)
			smu7_patch_ppt_v0_with_vdd_leakage(hwmgr, &tab->entries[i].v,
							&data->vddci_leakage);

	return 0;
}

static int smu7_patch_vce_vddc(struct pp_hwmgr *hwmgr,
				  struct phm_vce_clock_voltage_dependency_table *tab)
{
	uint16_t i;
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

	if (tab)
		for (i = 0; i < tab->count; i++)
			smu7_patch_ppt_v0_with_vdd_leakage(hwmgr, &tab->entries[i].v,
							&data->vddc_leakage);

	return 0;
}


static int smu7_patch_uvd_vddc(struct pp_hwmgr *hwmgr,
				  struct phm_uvd_clock_voltage_dependency_table *tab)
{
	uint16_t i;
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

	if (tab)
		for (i = 0; i < tab->count; i++)
			smu7_patch_ppt_v0_with_vdd_leakage(hwmgr, &tab->entries[i].v,
							&data->vddc_leakage);

	return 0;
}

static int smu7_patch_vddc_shed_limit(struct pp_hwmgr *hwmgr,
					 struct phm_phase_shedding_limits_table *tab)
{
	uint16_t i;
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

	if (tab)
		for (i = 0; i < tab->count; i++)
			smu7_patch_ppt_v0_with_vdd_leakage(hwmgr, &tab->entries[i].Voltage,
							&data->vddc_leakage);

	return 0;
}

static int smu7_patch_samu_vddc(struct pp_hwmgr *hwmgr,
				   struct phm_samu_clock_voltage_dependency_table *tab)
{
	uint16_t i;
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

	if (tab)
		for (i = 0; i < tab->count; i++)
			smu7_patch_ppt_v0_with_vdd_leakage(hwmgr, &tab->entries[i].v,
							&data->vddc_leakage);

	return 0;
}

static int smu7_patch_acp_vddc(struct pp_hwmgr *hwmgr,
				  struct phm_acp_clock_voltage_dependency_table *tab)
{
	uint16_t i;
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

	if (tab)
		for (i = 0; i < tab->count; i++)
			smu7_patch_ppt_v0_with_vdd_leakage(hwmgr, &tab->entries[i].v,
					&data->vddc_leakage);

	return 0;
}

static int smu7_patch_limits_vddc(struct pp_hwmgr *hwmgr,
				  struct phm_clock_and_voltage_limits *tab)
{
	uint32_t vddc, vddci;
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

	if (tab) {
		vddc = tab->vddc;
		smu7_patch_ppt_v0_with_vdd_leakage(hwmgr, &vddc,
						   &data->vddc_leakage);
		tab->vddc = vddc;
		vddci = tab->vddci;
		smu7_patch_ppt_v0_with_vdd_leakage(hwmgr, &vddci,
						   &data->vddci_leakage);
		tab->vddci = vddci;
	}

	return 0;
}

static int smu7_patch_cac_vddc(struct pp_hwmgr *hwmgr, struct phm_cac_leakage_table *tab)
{
	uint32_t i;
	uint32_t vddc;
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

	if (tab) {
		for (i = 0; i < tab->count; i++) {
			vddc = (uint32_t)(tab->entries[i].Vddc);
			smu7_patch_ppt_v0_with_vdd_leakage(hwmgr, &vddc, &data->vddc_leakage);
			tab->entries[i].Vddc = (uint16_t)vddc;
		}
	}

	return 0;
}

static int smu7_patch_dependency_tables_with_leakage(struct pp_hwmgr *hwmgr)
{
	int tmp;

	tmp = smu7_patch_vddc(hwmgr, hwmgr->dyn_state.vddc_dependency_on_sclk);
	if (tmp)
		return -EINVAL;

	tmp = smu7_patch_vddc(hwmgr, hwmgr->dyn_state.vddc_dependency_on_mclk);
	if (tmp)
		return -EINVAL;

	tmp = smu7_patch_vddc(hwmgr, hwmgr->dyn_state.vddc_dep_on_dal_pwrl);
	if (tmp)
		return -EINVAL;

	tmp = smu7_patch_vddci(hwmgr, hwmgr->dyn_state.vddci_dependency_on_mclk);
	if (tmp)
		return -EINVAL;

	tmp = smu7_patch_vce_vddc(hwmgr, hwmgr->dyn_state.vce_clock_voltage_dependency_table);
	if (tmp)
		return -EINVAL;

	tmp = smu7_patch_uvd_vddc(hwmgr, hwmgr->dyn_state.uvd_clock_voltage_dependency_table);
	if (tmp)
		return -EINVAL;

	tmp = smu7_patch_samu_vddc(hwmgr, hwmgr->dyn_state.samu_clock_voltage_dependency_table);
	if (tmp)
		return -EINVAL;

	tmp = smu7_patch_acp_vddc(hwmgr, hwmgr->dyn_state.acp_clock_voltage_dependency_table);
	if (tmp)
		return -EINVAL;

	tmp = smu7_patch_vddc_shed_limit(hwmgr, hwmgr->dyn_state.vddc_phase_shed_limits_table);
	if (tmp)
		return -EINVAL;

	tmp = smu7_patch_limits_vddc(hwmgr, &hwmgr->dyn_state.max_clock_voltage_on_ac);
	if (tmp)
		return -EINVAL;

	tmp = smu7_patch_limits_vddc(hwmgr, &hwmgr->dyn_state.max_clock_voltage_on_dc);
	if (tmp)
		return -EINVAL;

	tmp = smu7_patch_cac_vddc(hwmgr, hwmgr->dyn_state.cac_leakage_table);
	if (tmp)
		return -EINVAL;

	return 0;
}


static int smu7_set_private_data_based_on_pptable_v0(struct pp_hwmgr *hwmgr)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

	struct phm_clock_voltage_dependency_table *allowed_sclk_vddc_table = hwmgr->dyn_state.vddc_dependency_on_sclk;
	struct phm_clock_voltage_dependency_table *allowed_mclk_vddc_table = hwmgr->dyn_state.vddc_dependency_on_mclk;
	struct phm_clock_voltage_dependency_table *allowed_mclk_vddci_table = hwmgr->dyn_state.vddci_dependency_on_mclk;

	PP_ASSERT_WITH_CODE(allowed_sclk_vddc_table != NULL,
		"VDDC dependency on SCLK table is missing. This table is mandatory\n", return -EINVAL);
	PP_ASSERT_WITH_CODE(allowed_sclk_vddc_table->count >= 1,
		"VDDC dependency on SCLK table has to have is missing. This table is mandatory\n", return -EINVAL);

	PP_ASSERT_WITH_CODE(allowed_mclk_vddc_table != NULL,
		"VDDC dependency on MCLK table is missing. This table is mandatory\n", return -EINVAL);
	PP_ASSERT_WITH_CODE(allowed_mclk_vddc_table->count >= 1,
		"VDD dependency on MCLK table has to have is missing. This table is mandatory\n", return -EINVAL);

	data->min_vddc_in_pptable = (uint16_t)allowed_sclk_vddc_table->entries[0].v;
	data->max_vddc_in_pptable = (uint16_t)allowed_sclk_vddc_table->entries[allowed_sclk_vddc_table->count - 1].v;

	hwmgr->dyn_state.max_clock_voltage_on_ac.sclk =
		allowed_sclk_vddc_table->entries[allowed_sclk_vddc_table->count - 1].clk;
	hwmgr->dyn_state.max_clock_voltage_on_ac.mclk =
		allowed_mclk_vddc_table->entries[allowed_mclk_vddc_table->count - 1].clk;
	hwmgr->dyn_state.max_clock_voltage_on_ac.vddc =
		allowed_sclk_vddc_table->entries[allowed_sclk_vddc_table->count - 1].v;

	if (allowed_mclk_vddci_table != NULL && allowed_mclk_vddci_table->count >= 1) {
		data->min_vddci_in_pptable = (uint16_t)allowed_mclk_vddci_table->entries[0].v;
		data->max_vddci_in_pptable = (uint16_t)allowed_mclk_vddci_table->entries[allowed_mclk_vddci_table->count - 1].v;
	}

	if (hwmgr->dyn_state.vddci_dependency_on_mclk != NULL && hwmgr->dyn_state.vddci_dependency_on_mclk->count > 1)
		hwmgr->dyn_state.max_clock_voltage_on_ac.vddci = hwmgr->dyn_state.vddci_dependency_on_mclk->entries[hwmgr->dyn_state.vddci_dependency_on_mclk->count - 1].v;

	return 0;
}

int smu7_hwmgr_backend_init(struct pp_hwmgr *hwmgr)
{
	struct smu7_hwmgr *data;
	int result;

	data = kzalloc(sizeof(struct smu7_hwmgr), GFP_KERNEL);
	if (data == NULL)
		return -ENOMEM;

	hwmgr->backend = data;

	smu7_patch_voltage_workaround(hwmgr);
	smu7_init_dpm_defaults(hwmgr);

	/* Get leakage voltage based on leakage ID. */
	result = smu7_get_evv_voltages(hwmgr);

	if (result) {
		printk("Get EVV Voltage Failed.  Abort Driver loading!\n");
		return -EINVAL;
	}

	if (hwmgr->pp_table_version == PP_TABLE_V1) {
		smu7_complete_dependency_tables(hwmgr);
		smu7_set_private_data_based_on_pptable_v1(hwmgr);
	} else if (hwmgr->pp_table_version == PP_TABLE_V0) {
		smu7_patch_dependency_tables_with_leakage(hwmgr);
		smu7_set_private_data_based_on_pptable_v0(hwmgr);
	}

	/* Initalize Dynamic State Adjustment Rule Settings */
	result = phm_initializa_dynamic_state_adjustment_rule_settings(hwmgr);

	if (0 == result) {
		struct cgs_system_info sys_info = {0};

		data->is_tlu_enabled = false;

		hwmgr->platform_descriptor.hardwareActivityPerformanceLevels =
							SMU7_MAX_HARDWARE_POWERLEVELS;
		hwmgr->platform_descriptor.hardwarePerformanceLevels = 2;
		hwmgr->platform_descriptor.minimumClocksReductionPercentage = 50;

		sys_info.size = sizeof(struct cgs_system_info);
		sys_info.info_id = CGS_SYSTEM_INFO_PCIE_GEN_INFO;
		result = cgs_query_system_info(hwmgr->device, &sys_info);
		if (result)
			data->pcie_gen_cap = AMDGPU_DEFAULT_PCIE_GEN_MASK;
		else
			data->pcie_gen_cap = (uint32_t)sys_info.value;
		if (data->pcie_gen_cap & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)
			data->pcie_spc_cap = 20;
		sys_info.size = sizeof(struct cgs_system_info);
		sys_info.info_id = CGS_SYSTEM_INFO_PCIE_MLW;
		result = cgs_query_system_info(hwmgr->device, &sys_info);
		if (result)
			data->pcie_lane_cap = AMDGPU_DEFAULT_PCIE_MLW_MASK;
		else
			data->pcie_lane_cap = (uint32_t)sys_info.value;

		hwmgr->platform_descriptor.vbiosInterruptId = 0x20000400; /* IRQ_SOURCE1_SW_INT */
/* The true clock step depends on the frequency, typically 4.5 or 9 MHz. Here we use 5. */
		hwmgr->platform_descriptor.clockStep.engineClock = 500;
		hwmgr->platform_descriptor.clockStep.memoryClock = 500;
		smu7_thermal_parameter_init(hwmgr);
	} else {
		/* Ignore return value in here, we are cleaning up a mess. */
		phm_hwmgr_backend_fini(hwmgr);
	}

	return 0;
}

static int smu7_force_dpm_highest(struct pp_hwmgr *hwmgr)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
	uint32_t level, tmp;

	if (!data->pcie_dpm_key_disabled) {
		if (data->dpm_level_enable_mask.pcie_dpm_enable_mask) {
			level = 0;
			tmp = data->dpm_level_enable_mask.pcie_dpm_enable_mask;
			while (tmp >>= 1)
				level++;

			if (level)
				smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
						PPSMC_MSG_PCIeDPM_ForceLevel, level);
		}
	}

	if (!data->sclk_dpm_key_disabled) {
		if (data->dpm_level_enable_mask.sclk_dpm_enable_mask) {
			level = 0;
			tmp = data->dpm_level_enable_mask.sclk_dpm_enable_mask;
			while (tmp >>= 1)
				level++;

			if (level)
				smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
						PPSMC_MSG_SCLKDPM_SetEnabledMask,
						(1 << level));
		}
	}

	if (!data->mclk_dpm_key_disabled) {
		if (data->dpm_level_enable_mask.mclk_dpm_enable_mask) {
			level = 0;
			tmp = data->dpm_level_enable_mask.mclk_dpm_enable_mask;
			while (tmp >>= 1)
				level++;

			if (level)
				smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
						PPSMC_MSG_MCLKDPM_SetEnabledMask,
						(1 << level));
		}
	}

	return 0;
}

static int smu7_upload_dpm_level_enable_mask(struct pp_hwmgr *hwmgr)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

	if (hwmgr->pp_table_version == PP_TABLE_V1)
		phm_apply_dal_min_voltage_request(hwmgr);
/* TO DO  for v0 iceland and Ci*/

	if (!data->sclk_dpm_key_disabled) {
		if (data->dpm_level_enable_mask.sclk_dpm_enable_mask)
			smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
					PPSMC_MSG_SCLKDPM_SetEnabledMask,
					data->dpm_level_enable_mask.sclk_dpm_enable_mask);
	}

	if (!data->mclk_dpm_key_disabled) {
		if (data->dpm_level_enable_mask.mclk_dpm_enable_mask)
			smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
					PPSMC_MSG_MCLKDPM_SetEnabledMask,
					data->dpm_level_enable_mask.mclk_dpm_enable_mask);
	}

	return 0;
}

static int smu7_unforce_dpm_levels(struct pp_hwmgr *hwmgr)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

	if (!smum_is_dpm_running(hwmgr))
		return -EINVAL;

	if (!data->pcie_dpm_key_disabled) {
		smum_send_msg_to_smc(hwmgr->smumgr,
				PPSMC_MSG_PCIeDPM_UnForceLevel);
	}

	return smu7_upload_dpm_level_enable_mask(hwmgr);
}

static int smu7_force_dpm_lowest(struct pp_hwmgr *hwmgr)
{
	struct smu7_hwmgr *data =
			(struct smu7_hwmgr *)(hwmgr->backend);
	uint32_t level;

	if (!data->sclk_dpm_key_disabled)
		if (data->dpm_level_enable_mask.sclk_dpm_enable_mask) {
			level = phm_get_lowest_enabled_level(hwmgr,
							      data->dpm_level_enable_mask.sclk_dpm_enable_mask);
			smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
							    PPSMC_MSG_SCLKDPM_SetEnabledMask,
							    (1 << level));

	}

	if (!data->mclk_dpm_key_disabled) {
		if (data->dpm_level_enable_mask.mclk_dpm_enable_mask) {
			level = phm_get_lowest_enabled_level(hwmgr,
							      data->dpm_level_enable_mask.mclk_dpm_enable_mask);
			smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
							    PPSMC_MSG_MCLKDPM_SetEnabledMask,
							    (1 << level));
		}
	}

	if (!data->pcie_dpm_key_disabled) {
		if (data->dpm_level_enable_mask.pcie_dpm_enable_mask) {
			level = phm_get_lowest_enabled_level(hwmgr,
							      data->dpm_level_enable_mask.pcie_dpm_enable_mask);
			smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
							    PPSMC_MSG_PCIeDPM_ForceLevel,
							    (level));
		}
	}

	return 0;

}
static int smu7_force_dpm_level(struct pp_hwmgr *hwmgr,
				enum amd_dpm_forced_level level)
{
	int ret = 0;

	switch (level) {
	case AMD_DPM_FORCED_LEVEL_HIGH:
		ret = smu7_force_dpm_highest(hwmgr);
		if (ret)
			return ret;
		break;
	case AMD_DPM_FORCED_LEVEL_LOW:
		ret = smu7_force_dpm_lowest(hwmgr);
		if (ret)
			return ret;
		break;
	case AMD_DPM_FORCED_LEVEL_AUTO:
		ret = smu7_unforce_dpm_levels(hwmgr);
		if (ret)
			return ret;
		break;
	default:
		break;
	}

	hwmgr->dpm_level = level;

	return ret;
}

static int smu7_get_power_state_size(struct pp_hwmgr *hwmgr)
{
	return sizeof(struct smu7_power_state);
}


static int smu7_apply_state_adjust_rules(struct pp_hwmgr *hwmgr,
				struct pp_power_state *request_ps,
			const struct pp_power_state *current_ps)
{

	struct smu7_power_state *smu7_ps =
				cast_phw_smu7_power_state(&request_ps->hardware);
	uint32_t sclk;
	uint32_t mclk;
	struct PP_Clocks minimum_clocks = {0};
	bool disable_mclk_switching;
	bool disable_mclk_switching_for_frame_lock;
	struct cgs_display_info info = {0};
	const struct phm_clock_and_voltage_limits *max_limits;
	uint32_t i;
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
	struct phm_ppt_v1_information *table_info =
			(struct phm_ppt_v1_information *)(hwmgr->pptable);
	int32_t count;
	int32_t stable_pstate_sclk = 0, stable_pstate_mclk = 0;

	data->battery_state = (PP_StateUILabel_Battery ==
			request_ps->classification.ui_label);

	PP_ASSERT_WITH_CODE(smu7_ps->performance_level_count == 2,
				 "VI should always have 2 performance levels",
				);

	max_limits = (PP_PowerSource_AC == hwmgr->power_source) ?
			&(hwmgr->dyn_state.max_clock_voltage_on_ac) :
			&(hwmgr->dyn_state.max_clock_voltage_on_dc);

	/* Cap clock DPM tables at DC MAX if it is in DC. */
	if (PP_PowerSource_DC == hwmgr->power_source) {
		for (i = 0; i < smu7_ps->performance_level_count; i++) {
			if (smu7_ps->performance_levels[i].memory_clock > max_limits->mclk)
				smu7_ps->performance_levels[i].memory_clock = max_limits->mclk;
			if (smu7_ps->performance_levels[i].engine_clock > max_limits->sclk)
				smu7_ps->performance_levels[i].engine_clock = max_limits->sclk;
		}
	}

	smu7_ps->vce_clks.evclk = hwmgr->vce_arbiter.evclk;
	smu7_ps->vce_clks.ecclk = hwmgr->vce_arbiter.ecclk;

	cgs_get_active_displays_info(hwmgr->device, &info);

	/*TO DO result = PHM_CheckVBlankTime(hwmgr, &vblankTooShort);*/

	minimum_clocks.engineClock = hwmgr->display_config.min_core_set_clock;
	minimum_clocks.memoryClock = hwmgr->display_config.min_mem_set_clock;

	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
			PHM_PlatformCaps_StablePState)) {
		max_limits = &(hwmgr->dyn_state.max_clock_voltage_on_ac);
		stable_pstate_sclk = (max_limits->sclk * 75) / 100;

		for (count = table_info->vdd_dep_on_sclk->count - 1;
				count >= 0; count--) {
			if (stable_pstate_sclk >=
					table_info->vdd_dep_on_sclk->entries[count].clk) {
				stable_pstate_sclk =
						table_info->vdd_dep_on_sclk->entries[count].clk;
				break;
			}
		}

		if (count < 0)
			stable_pstate_sclk = table_info->vdd_dep_on_sclk->entries[0].clk;

		stable_pstate_mclk = max_limits->mclk;

		minimum_clocks.engineClock = stable_pstate_sclk;
		minimum_clocks.memoryClock = stable_pstate_mclk;
	}

	if (minimum_clocks.engineClock < hwmgr->gfx_arbiter.sclk)
		minimum_clocks.engineClock = hwmgr->gfx_arbiter.sclk;

	if (minimum_clocks.memoryClock < hwmgr->gfx_arbiter.mclk)
		minimum_clocks.memoryClock = hwmgr->gfx_arbiter.mclk;

	smu7_ps->sclk_threshold = hwmgr->gfx_arbiter.sclk_threshold;

	if (0 != hwmgr->gfx_arbiter.sclk_over_drive) {
		PP_ASSERT_WITH_CODE((hwmgr->gfx_arbiter.sclk_over_drive <=
				hwmgr->platform_descriptor.overdriveLimit.engineClock),
				"Overdrive sclk exceeds limit",
				hwmgr->gfx_arbiter.sclk_over_drive =
						hwmgr->platform_descriptor.overdriveLimit.engineClock);

		if (hwmgr->gfx_arbiter.sclk_over_drive >= hwmgr->gfx_arbiter.sclk)
			smu7_ps->performance_levels[1].engine_clock =
					hwmgr->gfx_arbiter.sclk_over_drive;
	}

	if (0 != hwmgr->gfx_arbiter.mclk_over_drive) {
		PP_ASSERT_WITH_CODE((hwmgr->gfx_arbiter.mclk_over_drive <=
				hwmgr->platform_descriptor.overdriveLimit.memoryClock),
				"Overdrive mclk exceeds limit",
				hwmgr->gfx_arbiter.mclk_over_drive =
						hwmgr->platform_descriptor.overdriveLimit.memoryClock);

		if (hwmgr->gfx_arbiter.mclk_over_drive >= hwmgr->gfx_arbiter.mclk)
			smu7_ps->performance_levels[1].memory_clock =
					hwmgr->gfx_arbiter.mclk_over_drive;
	}

	disable_mclk_switching_for_frame_lock = phm_cap_enabled(
				    hwmgr->platform_descriptor.platformCaps,
				    PHM_PlatformCaps_DisableMclkSwitchingForFrameLock);


	disable_mclk_switching = (1 < info.display_count) ||
				    disable_mclk_switching_for_frame_lock;

	sclk = smu7_ps->performance_levels[0].engine_clock;
	mclk = smu7_ps->performance_levels[0].memory_clock;

	if (disable_mclk_switching)
		mclk = smu7_ps->performance_levels
		[smu7_ps->performance_level_count - 1].memory_clock;

	if (sclk < minimum_clocks.engineClock)
		sclk = (minimum_clocks.engineClock > max_limits->sclk) ?
				max_limits->sclk : minimum_clocks.engineClock;

	if (mclk < minimum_clocks.memoryClock)
		mclk = (minimum_clocks.memoryClock > max_limits->mclk) ?
				max_limits->mclk : minimum_clocks.memoryClock;

	smu7_ps->performance_levels[0].engine_clock = sclk;
	smu7_ps->performance_levels[0].memory_clock = mclk;

	smu7_ps->performance_levels[1].engine_clock =
		(smu7_ps->performance_levels[1].engine_clock >=
				smu7_ps->performance_levels[0].engine_clock) ?
						smu7_ps->performance_levels[1].engine_clock :
						smu7_ps->performance_levels[0].engine_clock;

	if (disable_mclk_switching) {
		if (mclk < smu7_ps->performance_levels[1].memory_clock)
			mclk = smu7_ps->performance_levels[1].memory_clock;

		smu7_ps->performance_levels[0].memory_clock = mclk;
		smu7_ps->performance_levels[1].memory_clock = mclk;
	} else {
		if (smu7_ps->performance_levels[1].memory_clock <
				smu7_ps->performance_levels[0].memory_clock)
			smu7_ps->performance_levels[1].memory_clock =
					smu7_ps->performance_levels[0].memory_clock;
	}

	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
			PHM_PlatformCaps_StablePState)) {
		for (i = 0; i < smu7_ps->performance_level_count; i++) {
			smu7_ps->performance_levels[i].engine_clock = stable_pstate_sclk;
			smu7_ps->performance_levels[i].memory_clock = stable_pstate_mclk;
			smu7_ps->performance_levels[i].pcie_gen = data->pcie_gen_performance.max;
			smu7_ps->performance_levels[i].pcie_lane = data->pcie_gen_performance.max;
		}
	}
	return 0;
}


static int smu7_dpm_get_mclk(struct pp_hwmgr *hwmgr, bool low)
{
	struct pp_power_state  *ps;
	struct smu7_power_state  *smu7_ps;

	if (hwmgr == NULL)
		return -EINVAL;

	ps = hwmgr->request_ps;

	if (ps == NULL)
		return -EINVAL;

	smu7_ps = cast_phw_smu7_power_state(&ps->hardware);

	if (low)
		return smu7_ps->performance_levels[0].memory_clock;
	else
		return smu7_ps->performance_levels
				[smu7_ps->performance_level_count-1].memory_clock;
}

static int smu7_dpm_get_sclk(struct pp_hwmgr *hwmgr, bool low)
{
	struct pp_power_state  *ps;
	struct smu7_power_state  *smu7_ps;

	if (hwmgr == NULL)
		return -EINVAL;

	ps = hwmgr->request_ps;

	if (ps == NULL)
		return -EINVAL;

	smu7_ps = cast_phw_smu7_power_state(&ps->hardware);

	if (low)
		return smu7_ps->performance_levels[0].engine_clock;
	else
		return smu7_ps->performance_levels
				[smu7_ps->performance_level_count-1].engine_clock;
}

static int smu7_dpm_patch_boot_state(struct pp_hwmgr *hwmgr,
					struct pp_hw_power_state *hw_ps)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
	struct smu7_power_state *ps = (struct smu7_power_state *)hw_ps;
	ATOM_FIRMWARE_INFO_V2_2 *fw_info;
	uint16_t size;
	uint8_t frev, crev;
	int index = GetIndexIntoMasterTable(DATA, FirmwareInfo);

	/* First retrieve the Boot clocks and VDDC from the firmware info table.
	 * We assume here that fw_info is unchanged if this call fails.
	 */
	fw_info = (ATOM_FIRMWARE_INFO_V2_2 *)cgs_atom_get_data_table(
			hwmgr->device, index,
			&size, &frev, &crev);
	if (!fw_info)
		/* During a test, there is no firmware info table. */
		return 0;

	/* Patch the state. */
	data->vbios_boot_state.sclk_bootup_value =
			le32_to_cpu(fw_info->ulDefaultEngineClock);
	data->vbios_boot_state.mclk_bootup_value =
			le32_to_cpu(fw_info->ulDefaultMemoryClock);
	data->vbios_boot_state.mvdd_bootup_value =
			le16_to_cpu(fw_info->usBootUpMVDDCVoltage);
	data->vbios_boot_state.vddc_bootup_value =
			le16_to_cpu(fw_info->usBootUpVDDCVoltage);
	data->vbios_boot_state.vddci_bootup_value =
			le16_to_cpu(fw_info->usBootUpVDDCIVoltage);
	data->vbios_boot_state.pcie_gen_bootup_value =
			smu7_get_current_pcie_speed(hwmgr);

	data->vbios_boot_state.pcie_lane_bootup_value =
			(uint16_t)smu7_get_current_pcie_lane_number(hwmgr);

	/* set boot power state */
	ps->performance_levels[0].memory_clock = data->vbios_boot_state.mclk_bootup_value;
	ps->performance_levels[0].engine_clock = data->vbios_boot_state.sclk_bootup_value;
	ps->performance_levels[0].pcie_gen = data->vbios_boot_state.pcie_gen_bootup_value;
	ps->performance_levels[0].pcie_lane = data->vbios_boot_state.pcie_lane_bootup_value;

	return 0;
}

static int smu7_get_number_of_powerplay_table_entries(struct pp_hwmgr *hwmgr)
{
	int result;
	unsigned long ret = 0;

	if (hwmgr->pp_table_version == PP_TABLE_V0) {
		result = pp_tables_get_num_of_entries(hwmgr, &ret);
		return result ? 0 : ret;
	} else if (hwmgr->pp_table_version == PP_TABLE_V1) {
		result = get_number_of_powerplay_table_entries_v1_0(hwmgr);
		return result;
	}
	return 0;
}

static int smu7_get_pp_table_entry_callback_func_v1(struct pp_hwmgr *hwmgr,
		void *state, struct pp_power_state *power_state,
		void *pp_table, uint32_t classification_flag)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
	struct smu7_power_state  *smu7_power_state =
			(struct smu7_power_state *)(&(power_state->hardware));
	struct smu7_performance_level *performance_level;
	ATOM_Tonga_State *state_entry = (ATOM_Tonga_State *)state;
	ATOM_Tonga_POWERPLAYTABLE *powerplay_table =
			(ATOM_Tonga_POWERPLAYTABLE *)pp_table;
	PPTable_Generic_SubTable_Header *sclk_dep_table =
			(PPTable_Generic_SubTable_Header *)
			(((unsigned long)powerplay_table) +
				le16_to_cpu(powerplay_table->usSclkDependencyTableOffset));

	ATOM_Tonga_MCLK_Dependency_Table *mclk_dep_table =
			(ATOM_Tonga_MCLK_Dependency_Table *)
			(((unsigned long)powerplay_table) +
				le16_to_cpu(powerplay_table->usMclkDependencyTableOffset));

	/* The following fields are not initialized here: id orderedList allStatesList */
	power_state->classification.ui_label =
			(le16_to_cpu(state_entry->usClassification) &
			ATOM_PPLIB_CLASSIFICATION_UI_MASK) >>
			ATOM_PPLIB_CLASSIFICATION_UI_SHIFT;
	power_state->classification.flags = classification_flag;
	/* NOTE: There is a classification2 flag in BIOS that is not being used right now */

	power_state->classification.temporary_state = false;
	power_state->classification.to_be_deleted = false;

	power_state->validation.disallowOnDC =
			(0 != (le32_to_cpu(state_entry->ulCapsAndSettings) &
					ATOM_Tonga_DISALLOW_ON_DC));

	power_state->pcie.lanes = 0;

	power_state->display.disableFrameModulation = false;
	power_state->display.limitRefreshrate = false;
	power_state->display.enableVariBright =
			(0 != (le32_to_cpu(state_entry->ulCapsAndSettings) &
					ATOM_Tonga_ENABLE_VARIBRIGHT));

	power_state->validation.supportedPowerLevels = 0;
	power_state->uvd_clocks.VCLK = 0;
	power_state->uvd_clocks.DCLK = 0;
	power_state->temperatures.min = 0;
	power_state->temperatures.max = 0;

	performance_level = &(smu7_power_state->performance_levels
			[smu7_power_state->performance_level_count++]);

	PP_ASSERT_WITH_CODE(
			(smu7_power_state->performance_level_count < smum_get_mac_definition(hwmgr->smumgr, SMU_MAX_LEVELS_GRAPHICS)),
			"Performance levels exceeds SMC limit!",
			return -EINVAL);

	PP_ASSERT_WITH_CODE(
			(smu7_power_state->performance_level_count <=
					hwmgr->platform_descriptor.hardwareActivityPerformanceLevels),
			"Performance levels exceeds Driver limit!",
			return -EINVAL);

	/* Performance levels are arranged from low to high. */
	performance_level->memory_clock = mclk_dep_table->entries
			[state_entry->ucMemoryClockIndexLow].ulMclk;
	if (sclk_dep_table->ucRevId == 0)
		performance_level->engine_clock = ((ATOM_Tonga_SCLK_Dependency_Table *)sclk_dep_table)->entries
			[state_entry->ucEngineClockIndexLow].ulSclk;
	else if (sclk_dep_table->ucRevId == 1)
		performance_level->engine_clock = ((ATOM_Polaris_SCLK_Dependency_Table *)sclk_dep_table)->entries
			[state_entry->ucEngineClockIndexLow].ulSclk;
	performance_level->pcie_gen = get_pcie_gen_support(data->pcie_gen_cap,
			state_entry->ucPCIEGenLow);
	performance_level->pcie_lane = get_pcie_lane_support(data->pcie_lane_cap,
			state_entry->ucPCIELaneHigh);

	performance_level = &(smu7_power_state->performance_levels
			[smu7_power_state->performance_level_count++]);
	performance_level->memory_clock = mclk_dep_table->entries
			[state_entry->ucMemoryClockIndexHigh].ulMclk;

	if (sclk_dep_table->ucRevId == 0)
		performance_level->engine_clock = ((ATOM_Tonga_SCLK_Dependency_Table *)sclk_dep_table)->entries
			[state_entry->ucEngineClockIndexHigh].ulSclk;
	else if (sclk_dep_table->ucRevId == 1)
		performance_level->engine_clock = ((ATOM_Polaris_SCLK_Dependency_Table *)sclk_dep_table)->entries
			[state_entry->ucEngineClockIndexHigh].ulSclk;

	performance_level->pcie_gen = get_pcie_gen_support(data->pcie_gen_cap,
			state_entry->ucPCIEGenHigh);
	performance_level->pcie_lane = get_pcie_lane_support(data->pcie_lane_cap,
			state_entry->ucPCIELaneHigh);

	return 0;
}

static int smu7_get_pp_table_entry_v1(struct pp_hwmgr *hwmgr,
		unsigned long entry_index, struct pp_power_state *state)
{
	int result;
	struct smu7_power_state *ps;
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
	struct phm_ppt_v1_information *table_info =
			(struct phm_ppt_v1_information *)(hwmgr->pptable);
	struct phm_ppt_v1_clock_voltage_dependency_table *dep_mclk_table =
			table_info->vdd_dep_on_mclk;

	state->hardware.magic = PHM_VIslands_Magic;

	ps = (struct smu7_power_state *)(&state->hardware);

	result = get_powerplay_table_entry_v1_0(hwmgr, entry_index, state,
			smu7_get_pp_table_entry_callback_func_v1);

	/* This is the earliest time we have all the dependency table and the VBIOS boot state
	 * as PP_Tables_GetPowerPlayTableEntry retrieves the VBIOS boot state
	 * if there is only one VDDCI/MCLK level, check if it's the same as VBIOS boot state
	 */
	if (dep_mclk_table != NULL && dep_mclk_table->count == 1) {
		if (dep_mclk_table->entries[0].clk !=
				data->vbios_boot_state.mclk_bootup_value)
			printk(KERN_ERR "Single MCLK entry VDDCI/MCLK dependency table "
					"does not match VBIOS boot MCLK level");
		if (dep_mclk_table->entries[0].vddci !=
				data->vbios_boot_state.vddci_bootup_value)
			printk(KERN_ERR "Single VDDCI entry VDDCI/MCLK dependency table "
					"does not match VBIOS boot VDDCI level");
	}

	/* set DC compatible flag if this state supports DC */
	if (!state->validation.disallowOnDC)
		ps->dc_compatible = true;

	if (state->classification.flags & PP_StateClassificationFlag_ACPI)
		data->acpi_pcie_gen = ps->performance_levels[0].pcie_gen;

	ps->uvd_clks.vclk = state->uvd_clocks.VCLK;
	ps->uvd_clks.dclk = state->uvd_clocks.DCLK;

	if (!result) {
		uint32_t i;

		switch (state->classification.ui_label) {
		case PP_StateUILabel_Performance:
			data->use_pcie_performance_levels = true;
			for (i = 0; i < ps->performance_level_count; i++) {
				if (data->pcie_gen_performance.max <
						ps->performance_levels[i].pcie_gen)
					data->pcie_gen_performance.max =
							ps->performance_levels[i].pcie_gen;

				if (data->pcie_gen_performance.min >
						ps->performance_levels[i].pcie_gen)
					data->pcie_gen_performance.min =
							ps->performance_levels[i].pcie_gen;

				if (data->pcie_lane_performance.max <
						ps->performance_levels[i].pcie_lane)
					data->pcie_lane_performance.max =
							ps->performance_levels[i].pcie_lane;
				if (data->pcie_lane_performance.min >
						ps->performance_levels[i].pcie_lane)
					data->pcie_lane_performance.min =
							ps->performance_levels[i].pcie_lane;
			}
			break;
		case PP_StateUILabel_Battery:
			data->use_pcie_power_saving_levels = true;

			for (i = 0; i < ps->performance_level_count; i++) {
				if (data->pcie_gen_power_saving.max <
						ps->performance_levels[i].pcie_gen)
					data->pcie_gen_power_saving.max =
							ps->performance_levels[i].pcie_gen;

				if (data->pcie_gen_power_saving.min >
						ps->performance_levels[i].pcie_gen)
					data->pcie_gen_power_saving.min =
							ps->performance_levels[i].pcie_gen;

				if (data->pcie_lane_power_saving.max <
						ps->performance_levels[i].pcie_lane)
					data->pcie_lane_power_saving.max =
							ps->performance_levels[i].pcie_lane;

				if (data->pcie_lane_power_saving.min >
						ps->performance_levels[i].pcie_lane)
					data->pcie_lane_power_saving.min =
							ps->performance_levels[i].pcie_lane;
			}
			break;
		default:
			break;
		}
	}
	return 0;
}

static int smu7_get_pp_table_entry_callback_func_v0(struct pp_hwmgr *hwmgr,
					struct pp_hw_power_state *power_state,
					unsigned int index, const void *clock_info)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
	struct smu7_power_state  *ps = cast_phw_smu7_power_state(power_state);
	const ATOM_PPLIB_CI_CLOCK_INFO *visland_clk_info = clock_info;
	struct smu7_performance_level *performance_level;
	uint32_t engine_clock, memory_clock;
	uint16_t pcie_gen_from_bios;

	engine_clock = visland_clk_info->ucEngineClockHigh << 16 | visland_clk_info->usEngineClockLow;
	memory_clock = visland_clk_info->ucMemoryClockHigh << 16 | visland_clk_info->usMemoryClockLow;

	if (!(data->mc_micro_code_feature & DISABLE_MC_LOADMICROCODE) && memory_clock > data->highest_mclk)
		data->highest_mclk = memory_clock;

	PP_ASSERT_WITH_CODE(
			(ps->performance_level_count < smum_get_mac_definition(hwmgr->smumgr, SMU_MAX_LEVELS_GRAPHICS)),
			"Performance levels exceeds SMC limit!",
			return -EINVAL);

	PP_ASSERT_WITH_CODE(
			(ps->performance_level_count <
					hwmgr->platform_descriptor.hardwareActivityPerformanceLevels),
			"Performance levels exceeds Driver limit, Skip!",
			return 0);

	performance_level = &(ps->performance_levels
			[ps->performance_level_count++]);

	/* Performance levels are arranged from low to high. */
	performance_level->memory_clock = memory_clock;
	performance_level->engine_clock = engine_clock;

	pcie_gen_from_bios = visland_clk_info->ucPCIEGen;

	performance_level->pcie_gen = get_pcie_gen_support(data->pcie_gen_cap, pcie_gen_from_bios);
	performance_level->pcie_lane = get_pcie_lane_support(data->pcie_lane_cap, visland_clk_info->usPCIELane);

	return 0;
}

static int smu7_get_pp_table_entry_v0(struct pp_hwmgr *hwmgr,
		unsigned long entry_index, struct pp_power_state *state)
{
	int result;
	struct smu7_power_state *ps;
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
	struct phm_clock_voltage_dependency_table *dep_mclk_table =
			hwmgr->dyn_state.vddci_dependency_on_mclk;

	memset(&state->hardware, 0x00, sizeof(struct pp_hw_power_state));

	state->hardware.magic = PHM_VIslands_Magic;

	ps = (struct smu7_power_state *)(&state->hardware);

	result = pp_tables_get_entry(hwmgr, entry_index, state,
			smu7_get_pp_table_entry_callback_func_v0);

	/*
	 * This is the earliest time we have all the dependency table
	 * and the VBIOS boot state as
	 * PP_Tables_GetPowerPlayTableEntry retrieves the VBIOS boot
	 * state if there is only one VDDCI/MCLK level, check if it's
	 * the same as VBIOS boot state
	 */
	if (dep_mclk_table != NULL && dep_mclk_table->count == 1) {
		if (dep_mclk_table->entries[0].clk !=
				data->vbios_boot_state.mclk_bootup_value)
			printk(KERN_ERR "Single MCLK entry VDDCI/MCLK dependency table "
					"does not match VBIOS boot MCLK level");
		if (dep_mclk_table->entries[0].v !=
				data->vbios_boot_state.vddci_bootup_value)
			printk(KERN_ERR "Single VDDCI entry VDDCI/MCLK dependency table "
					"does not match VBIOS boot VDDCI level");
	}

	/* set DC compatible flag if this state supports DC */
	if (!state->validation.disallowOnDC)
		ps->dc_compatible = true;

	if (state->classification.flags & PP_StateClassificationFlag_ACPI)
		data->acpi_pcie_gen = ps->performance_levels[0].pcie_gen;

	ps->uvd_clks.vclk = state->uvd_clocks.VCLK;
	ps->uvd_clks.dclk = state->uvd_clocks.DCLK;

	if (!result) {
		uint32_t i;

		switch (state->classification.ui_label) {
		case PP_StateUILabel_Performance:
			data->use_pcie_performance_levels = true;

			for (i = 0; i < ps->performance_level_count; i++) {
				if (data->pcie_gen_performance.max <
						ps->performance_levels[i].pcie_gen)
					data->pcie_gen_performance.max =
							ps->performance_levels[i].pcie_gen;

				if (data->pcie_gen_performance.min >
						ps->performance_levels[i].pcie_gen)
					data->pcie_gen_performance.min =
							ps->performance_levels[i].pcie_gen;

				if (data->pcie_lane_performance.max <
						ps->performance_levels[i].pcie_lane)
					data->pcie_lane_performance.max =
							ps->performance_levels[i].pcie_lane;

				if (data->pcie_lane_performance.min >
						ps->performance_levels[i].pcie_lane)
					data->pcie_lane_performance.min =
							ps->performance_levels[i].pcie_lane;
			}
			break;
		case PP_StateUILabel_Battery:
			data->use_pcie_power_saving_levels = true;

			for (i = 0; i < ps->performance_level_count; i++) {
				if (data->pcie_gen_power_saving.max <
						ps->performance_levels[i].pcie_gen)
					data->pcie_gen_power_saving.max =
							ps->performance_levels[i].pcie_gen;

				if (data->pcie_gen_power_saving.min >
						ps->performance_levels[i].pcie_gen)
					data->pcie_gen_power_saving.min =
							ps->performance_levels[i].pcie_gen;

				if (data->pcie_lane_power_saving.max <
						ps->performance_levels[i].pcie_lane)
					data->pcie_lane_power_saving.max =
							ps->performance_levels[i].pcie_lane;

				if (data->pcie_lane_power_saving.min >
						ps->performance_levels[i].pcie_lane)
					data->pcie_lane_power_saving.min =
							ps->performance_levels[i].pcie_lane;
			}
			break;
		default:
			break;
		}
	}
	return 0;
}

static int smu7_get_pp_table_entry(struct pp_hwmgr *hwmgr,
		unsigned long entry_index, struct pp_power_state *state)
{
	if (hwmgr->pp_table_version == PP_TABLE_V0)
		return smu7_get_pp_table_entry_v0(hwmgr, entry_index, state);
	else if (hwmgr->pp_table_version == PP_TABLE_V1)
		return smu7_get_pp_table_entry_v1(hwmgr, entry_index, state);

	return 0;
}

static int smu7_read_sensor(struct pp_hwmgr *hwmgr, int idx, int32_t *value)
{
	uint32_t sclk, mclk, activity_percent;
	uint32_t offset;
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

	switch (idx) {
	case AMDGPU_PP_SENSOR_GFX_SCLK:
		smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_API_GetSclkFrequency);
		sclk = cgs_read_register(hwmgr->device, mmSMC_MSG_ARG_0);
		*value = sclk;
		return 0;
	case AMDGPU_PP_SENSOR_GFX_MCLK:
		smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_API_GetMclkFrequency);
		mclk = cgs_read_register(hwmgr->device, mmSMC_MSG_ARG_0);
		*value = mclk;
		return 0;
	case AMDGPU_PP_SENSOR_GPU_LOAD:
		offset = data->soft_regs_start + smum_get_offsetof(hwmgr->smumgr,
								SMU_SoftRegisters,
								AverageGraphicsActivity);

		activity_percent = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, offset);
		activity_percent += 0x80;
		activity_percent >>= 8;
		*value = activity_percent > 100 ? 100 : activity_percent;
		return 0;
	case AMDGPU_PP_SENSOR_GPU_TEMP:
		*value = smu7_thermal_get_temperature(hwmgr);
		return 0;
	case AMDGPU_PP_SENSOR_UVD_POWER:
		*value = data->uvd_power_gated ? 0 : 1;
		return 0;
	case AMDGPU_PP_SENSOR_VCE_POWER:
		*value = data->vce_power_gated ? 0 : 1;
		return 0;
	default:
		return -EINVAL;
	}
}

static int smu7_find_dpm_states_clocks_in_dpm_table(struct pp_hwmgr *hwmgr, const void *input)
{
	const struct phm_set_power_state_input *states =
			(const struct phm_set_power_state_input *)input;
	const struct smu7_power_state *smu7_ps =
			cast_const_phw_smu7_power_state(states->pnew_state);
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
	struct smu7_single_dpm_table *sclk_table = &(data->dpm_table.sclk_table);
	uint32_t sclk = smu7_ps->performance_levels
			[smu7_ps->performance_level_count - 1].engine_clock;
	struct smu7_single_dpm_table *mclk_table = &(data->dpm_table.mclk_table);
	uint32_t mclk = smu7_ps->performance_levels
			[smu7_ps->performance_level_count - 1].memory_clock;
	struct PP_Clocks min_clocks = {0};
	uint32_t i;
	struct cgs_display_info info = {0};

	data->need_update_smu7_dpm_table = 0;

	for (i = 0; i < sclk_table->count; i++) {
		if (sclk == sclk_table->dpm_levels[i].value)
			break;
	}

	if (i >= sclk_table->count)
		data->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_SCLK;
	else {
	/* TODO: Check SCLK in DAL's minimum clocks
	 * in case DeepSleep divider update is required.
	 */
		if (data->display_timing.min_clock_in_sr != min_clocks.engineClockInSR &&
			(min_clocks.engineClockInSR >= SMU7_MINIMUM_ENGINE_CLOCK ||
				data->display_timing.min_clock_in_sr >= SMU7_MINIMUM_ENGINE_CLOCK))
			data->need_update_smu7_dpm_table |= DPMTABLE_UPDATE_SCLK;
	}

	for (i = 0; i < mclk_table->count; i++) {
		if (mclk == mclk_table->dpm_levels[i].value)
			break;
	}

	if (i >= mclk_table->count)
		data->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_MCLK;

	cgs_get_active_displays_info(hwmgr->device, &info);

	if (data->display_timing.num_existing_displays != info.display_count)
		data->need_update_smu7_dpm_table |= DPMTABLE_UPDATE_MCLK;

	return 0;
}

static uint16_t smu7_get_maximum_link_speed(struct pp_hwmgr *hwmgr,
		const struct smu7_power_state *smu7_ps)
{
	uint32_t i;
	uint32_t sclk, max_sclk = 0;
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
	struct smu7_dpm_table *dpm_table = &data->dpm_table;

	for (i = 0; i < smu7_ps->performance_level_count; i++) {
		sclk = smu7_ps->performance_levels[i].engine_clock;
		if (max_sclk < sclk)
			max_sclk = sclk;
	}

	for (i = 0; i < dpm_table->sclk_table.count; i++) {
		if (dpm_table->sclk_table.dpm_levels[i].value == max_sclk)
			return (uint16_t) ((i >= dpm_table->pcie_speed_table.count) ?
					dpm_table->pcie_speed_table.dpm_levels
					[dpm_table->pcie_speed_table.count - 1].value :
					dpm_table->pcie_speed_table.dpm_levels[i].value);
	}

	return 0;
}

static int smu7_request_link_speed_change_before_state_change(
		struct pp_hwmgr *hwmgr, const void *input)
{
	const struct phm_set_power_state_input *states =
			(const struct phm_set_power_state_input *)input;
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
	const struct smu7_power_state *smu7_nps =
			cast_const_phw_smu7_power_state(states->pnew_state);
	const struct smu7_power_state *polaris10_cps =
			cast_const_phw_smu7_power_state(states->pcurrent_state);

	uint16_t target_link_speed = smu7_get_maximum_link_speed(hwmgr, smu7_nps);
	uint16_t current_link_speed;

	if (data->force_pcie_gen == PP_PCIEGenInvalid)
		current_link_speed = smu7_get_maximum_link_speed(hwmgr, polaris10_cps);
	else
		current_link_speed = data->force_pcie_gen;

	data->force_pcie_gen = PP_PCIEGenInvalid;
	data->pspp_notify_required = false;

	if (target_link_speed > current_link_speed) {
		switch (target_link_speed) {
		case PP_PCIEGen3:
			if (0 == acpi_pcie_perf_request(hwmgr->device, PCIE_PERF_REQ_GEN3, false))
				break;
			data->force_pcie_gen = PP_PCIEGen2;
			if (current_link_speed == PP_PCIEGen2)
				break;
		case PP_PCIEGen2:
			if (0 == acpi_pcie_perf_request(hwmgr->device, PCIE_PERF_REQ_GEN2, false))
				break;
		default:
			data->force_pcie_gen = smu7_get_current_pcie_speed(hwmgr);
			break;
		}
	} else {
		if (target_link_speed < current_link_speed)
			data->pspp_notify_required = true;
	}

	return 0;
}

static int smu7_freeze_sclk_mclk_dpm(struct pp_hwmgr *hwmgr)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

	if (0 == data->need_update_smu7_dpm_table)
		return 0;

	if ((0 == data->sclk_dpm_key_disabled) &&
		(data->need_update_smu7_dpm_table &
			(DPMTABLE_OD_UPDATE_SCLK + DPMTABLE_UPDATE_SCLK))) {
		PP_ASSERT_WITH_CODE(true == smum_is_dpm_running(hwmgr),
				"Trying to freeze SCLK DPM when DPM is disabled",
				);
		PP_ASSERT_WITH_CODE(0 == smum_send_msg_to_smc(hwmgr->smumgr,
				PPSMC_MSG_SCLKDPM_FreezeLevel),
				"Failed to freeze SCLK DPM during FreezeSclkMclkDPM Function!",
				return -EINVAL);
	}

	if ((0 == data->mclk_dpm_key_disabled) &&
		(data->need_update_smu7_dpm_table &
		 DPMTABLE_OD_UPDATE_MCLK)) {
		PP_ASSERT_WITH_CODE(true == smum_is_dpm_running(hwmgr),
				"Trying to freeze MCLK DPM when DPM is disabled",
				);
		PP_ASSERT_WITH_CODE(0 == smum_send_msg_to_smc(hwmgr->smumgr,
				PPSMC_MSG_MCLKDPM_FreezeLevel),
				"Failed to freeze MCLK DPM during FreezeSclkMclkDPM Function!",
				return -EINVAL);
	}

	return 0;
}

static int smu7_populate_and_upload_sclk_mclk_dpm_levels(
		struct pp_hwmgr *hwmgr, const void *input)
{
	int result = 0;
	const struct phm_set_power_state_input *states =
			(const struct phm_set_power_state_input *)input;
	const struct smu7_power_state *smu7_ps =
			cast_const_phw_smu7_power_state(states->pnew_state);
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
	uint32_t sclk = smu7_ps->performance_levels
			[smu7_ps->performance_level_count - 1].engine_clock;
	uint32_t mclk = smu7_ps->performance_levels
			[smu7_ps->performance_level_count - 1].memory_clock;
	struct smu7_dpm_table *dpm_table = &data->dpm_table;

	struct smu7_dpm_table *golden_dpm_table = &data->golden_dpm_table;
	uint32_t dpm_count, clock_percent;
	uint32_t i;

	if (0 == data->need_update_smu7_dpm_table)
		return 0;

	if (data->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_SCLK) {
		dpm_table->sclk_table.dpm_levels
		[dpm_table->sclk_table.count - 1].value = sclk;

		if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_OD6PlusinACSupport) ||
		    phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_OD6PlusinDCSupport)) {
		/* Need to do calculation based on the golden DPM table
		 * as the Heatmap GPU Clock axis is also based on the default values
		 */
			PP_ASSERT_WITH_CODE(
				(golden_dpm_table->sclk_table.dpm_levels
						[golden_dpm_table->sclk_table.count - 1].value != 0),
				"Divide by 0!",
				return -EINVAL);
			dpm_count = dpm_table->sclk_table.count < 2 ? 0 : dpm_table->sclk_table.count - 2;

			for (i = dpm_count; i > 1; i--) {
				if (sclk > golden_dpm_table->sclk_table.dpm_levels[golden_dpm_table->sclk_table.count-1].value) {
					clock_percent =
					      ((sclk
						- golden_dpm_table->sclk_table.dpm_levels[golden_dpm_table->sclk_table.count-1].value
						) * 100)
						/ golden_dpm_table->sclk_table.dpm_levels[golden_dpm_table->sclk_table.count-1].value;

					dpm_table->sclk_table.dpm_levels[i].value =
							golden_dpm_table->sclk_table.dpm_levels[i].value +
							(golden_dpm_table->sclk_table.dpm_levels[i].value *
								clock_percent)/100;

				} else if (golden_dpm_table->sclk_table.dpm_levels[dpm_table->sclk_table.count-1].value > sclk) {
					clock_percent =
						((golden_dpm_table->sclk_table.dpm_levels[golden_dpm_table->sclk_table.count - 1].value
						- sclk) * 100)
						/ golden_dpm_table->sclk_table.dpm_levels[golden_dpm_table->sclk_table.count-1].value;

					dpm_table->sclk_table.dpm_levels[i].value =
							golden_dpm_table->sclk_table.dpm_levels[i].value -
							(golden_dpm_table->sclk_table.dpm_levels[i].value *
									clock_percent) / 100;
				} else
					dpm_table->sclk_table.dpm_levels[i].value =
							golden_dpm_table->sclk_table.dpm_levels[i].value;
			}
		}
	}

	if (data->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_MCLK) {
		dpm_table->mclk_table.dpm_levels
			[dpm_table->mclk_table.count - 1].value = mclk;

		if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_OD6PlusinACSupport) ||
		    phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_OD6PlusinDCSupport)) {

			PP_ASSERT_WITH_CODE(
					(golden_dpm_table->mclk_table.dpm_levels
						[golden_dpm_table->mclk_table.count-1].value != 0),
					"Divide by 0!",
					return -EINVAL);
			dpm_count = dpm_table->mclk_table.count < 2 ? 0 : dpm_table->mclk_table.count - 2;
			for (i = dpm_count; i > 1; i--) {
				if (golden_dpm_table->mclk_table.dpm_levels[golden_dpm_table->mclk_table.count-1].value < mclk) {
					clock_percent = ((mclk -
					golden_dpm_table->mclk_table.dpm_levels[golden_dpm_table->mclk_table.count-1].value) * 100)
					/ golden_dpm_table->mclk_table.dpm_levels[golden_dpm_table->mclk_table.count-1].value;

					dpm_table->mclk_table.dpm_levels[i].value =
							golden_dpm_table->mclk_table.dpm_levels[i].value +
							(golden_dpm_table->mclk_table.dpm_levels[i].value *
							clock_percent) / 100;

				} else if (golden_dpm_table->mclk_table.dpm_levels[dpm_table->mclk_table.count-1].value > mclk) {
					clock_percent = (
					 (golden_dpm_table->mclk_table.dpm_levels[golden_dpm_table->mclk_table.count-1].value - mclk)
					* 100)
					/ golden_dpm_table->mclk_table.dpm_levels[golden_dpm_table->mclk_table.count-1].value;

					dpm_table->mclk_table.dpm_levels[i].value =
							golden_dpm_table->mclk_table.dpm_levels[i].value -
							(golden_dpm_table->mclk_table.dpm_levels[i].value *
									clock_percent) / 100;
				} else
					dpm_table->mclk_table.dpm_levels[i].value =
							golden_dpm_table->mclk_table.dpm_levels[i].value;
			}
		}
	}

	if (data->need_update_smu7_dpm_table &
			(DPMTABLE_OD_UPDATE_SCLK + DPMTABLE_UPDATE_SCLK)) {
		result = smum_populate_all_graphic_levels(hwmgr);
		PP_ASSERT_WITH_CODE((0 == result),
				"Failed to populate SCLK during PopulateNewDPMClocksStates Function!",
				return result);
	}

	if (data->need_update_smu7_dpm_table &
			(DPMTABLE_OD_UPDATE_MCLK + DPMTABLE_UPDATE_MCLK)) {
		/*populate MCLK dpm table to SMU7 */
		result = smum_populate_all_memory_levels(hwmgr);
		PP_ASSERT_WITH_CODE((0 == result),
				"Failed to populate MCLK during PopulateNewDPMClocksStates Function!",
				return result);
	}

	return result;
}

static int smu7_trim_single_dpm_states(struct pp_hwmgr *hwmgr,
			  struct smu7_single_dpm_table *dpm_table,
			uint32_t low_limit, uint32_t high_limit)
{
	uint32_t i;

	for (i = 0; i < dpm_table->count; i++) {
		if ((dpm_table->dpm_levels[i].value < low_limit)
		|| (dpm_table->dpm_levels[i].value > high_limit))
			dpm_table->dpm_levels[i].enabled = false;
		else
			dpm_table->dpm_levels[i].enabled = true;
	}

	return 0;
}

static int smu7_trim_dpm_states(struct pp_hwmgr *hwmgr,
		const struct smu7_power_state *smu7_ps)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
	uint32_t high_limit_count;

	PP_ASSERT_WITH_CODE((smu7_ps->performance_level_count >= 1),
			"power state did not have any performance level",
			return -EINVAL);

	high_limit_count = (1 == smu7_ps->performance_level_count) ? 0 : 1;

	smu7_trim_single_dpm_states(hwmgr,
			&(data->dpm_table.sclk_table),
			smu7_ps->performance_levels[0].engine_clock,
			smu7_ps->performance_levels[high_limit_count].engine_clock);

	smu7_trim_single_dpm_states(hwmgr,
			&(data->dpm_table.mclk_table),
			smu7_ps->performance_levels[0].memory_clock,
			smu7_ps->performance_levels[high_limit_count].memory_clock);

	return 0;
}

static int smu7_generate_dpm_level_enable_mask(
		struct pp_hwmgr *hwmgr, const void *input)
{
	int result;
	const struct phm_set_power_state_input *states =
			(const struct phm_set_power_state_input *)input;
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
	const struct smu7_power_state *smu7_ps =
			cast_const_phw_smu7_power_state(states->pnew_state);

	result = smu7_trim_dpm_states(hwmgr, smu7_ps);
	if (result)
		return result;

	data->dpm_level_enable_mask.sclk_dpm_enable_mask =
			phm_get_dpm_level_enable_mask_value(&data->dpm_table.sclk_table);
	data->dpm_level_enable_mask.mclk_dpm_enable_mask =
			phm_get_dpm_level_enable_mask_value(&data->dpm_table.mclk_table);
	data->dpm_level_enable_mask.pcie_dpm_enable_mask =
			phm_get_dpm_level_enable_mask_value(&data->dpm_table.pcie_speed_table);

	return 0;
}

static int smu7_unfreeze_sclk_mclk_dpm(struct pp_hwmgr *hwmgr)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

	if (0 == data->need_update_smu7_dpm_table)
		return 0;

	if ((0 == data->sclk_dpm_key_disabled) &&
		(data->need_update_smu7_dpm_table &
		(DPMTABLE_OD_UPDATE_SCLK + DPMTABLE_UPDATE_SCLK))) {

		PP_ASSERT_WITH_CODE(true == smum_is_dpm_running(hwmgr),
				"Trying to Unfreeze SCLK DPM when DPM is disabled",
				);
		PP_ASSERT_WITH_CODE(0 == smum_send_msg_to_smc(hwmgr->smumgr,
				PPSMC_MSG_SCLKDPM_UnfreezeLevel),
			"Failed to unfreeze SCLK DPM during UnFreezeSclkMclkDPM Function!",
			return -EINVAL);
	}

	if ((0 == data->mclk_dpm_key_disabled) &&
		(data->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_MCLK)) {

		PP_ASSERT_WITH_CODE(true == smum_is_dpm_running(hwmgr),
				"Trying to Unfreeze MCLK DPM when DPM is disabled",
				);
		PP_ASSERT_WITH_CODE(0 == smum_send_msg_to_smc(hwmgr->smumgr,
				PPSMC_MSG_SCLKDPM_UnfreezeLevel),
		    "Failed to unfreeze MCLK DPM during UnFreezeSclkMclkDPM Function!",
		    return -EINVAL);
	}

	data->need_update_smu7_dpm_table = 0;

	return 0;
}

static int smu7_notify_link_speed_change_after_state_change(
		struct pp_hwmgr *hwmgr, const void *input)
{
	const struct phm_set_power_state_input *states =
			(const struct phm_set_power_state_input *)input;
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
	const struct smu7_power_state *smu7_ps =
			cast_const_phw_smu7_power_state(states->pnew_state);
	uint16_t target_link_speed = smu7_get_maximum_link_speed(hwmgr, smu7_ps);
	uint8_t  request;

	if (data->pspp_notify_required) {
		if (target_link_speed == PP_PCIEGen3)
			request = PCIE_PERF_REQ_GEN3;
		else if (target_link_speed == PP_PCIEGen2)
			request = PCIE_PERF_REQ_GEN2;
		else
			request = PCIE_PERF_REQ_GEN1;

		if (request == PCIE_PERF_REQ_GEN1 &&
				smu7_get_current_pcie_speed(hwmgr) > 0)
			return 0;

		if (acpi_pcie_perf_request(hwmgr->device, request, false)) {
			if (PP_PCIEGen2 == target_link_speed)
				printk("PSPP request to switch to Gen2 from Gen3 Failed!");
			else
				printk("PSPP request to switch to Gen1 from Gen2 Failed!");
		}
	}

	return 0;
}

static int smu7_notify_smc_display(struct pp_hwmgr *hwmgr)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

	if (hwmgr->feature_mask & PP_VBI_TIME_SUPPORT_MASK)
		smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
			(PPSMC_Msg)PPSMC_MSG_SetVBITimeout, data->frame_time_x2);
	return (smum_send_msg_to_smc(hwmgr->smumgr, (PPSMC_Msg)PPSMC_HasDisplay) == 0) ?  0 : -EINVAL;
}

static int smu7_set_power_state_tasks(struct pp_hwmgr *hwmgr, const void *input)
{
	int tmp_result, result = 0;
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

	tmp_result = smu7_find_dpm_states_clocks_in_dpm_table(hwmgr, input);
	PP_ASSERT_WITH_CODE((0 == tmp_result),
			"Failed to find DPM states clocks in DPM table!",
			result = tmp_result);

	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
			PHM_PlatformCaps_PCIEPerformanceRequest)) {
		tmp_result =
			smu7_request_link_speed_change_before_state_change(hwmgr, input);
		PP_ASSERT_WITH_CODE((0 == tmp_result),
				"Failed to request link speed change before state change!",
				result = tmp_result);
	}

	tmp_result = smu7_freeze_sclk_mclk_dpm(hwmgr);
	PP_ASSERT_WITH_CODE((0 == tmp_result),
			"Failed to freeze SCLK MCLK DPM!", result = tmp_result);

	tmp_result = smu7_populate_and_upload_sclk_mclk_dpm_levels(hwmgr, input);
	PP_ASSERT_WITH_CODE((0 == tmp_result),
			"Failed to populate and upload SCLK MCLK DPM levels!",
			result = tmp_result);

	tmp_result = smu7_generate_dpm_level_enable_mask(hwmgr, input);
	PP_ASSERT_WITH_CODE((0 == tmp_result),
			"Failed to generate DPM level enabled mask!",
			result = tmp_result);

	tmp_result = smum_update_sclk_threshold(hwmgr);
	PP_ASSERT_WITH_CODE((0 == tmp_result),
			"Failed to update SCLK threshold!",
			result = tmp_result);

	tmp_result = smu7_notify_smc_display(hwmgr);
	PP_ASSERT_WITH_CODE((0 == tmp_result),
			"Failed to notify smc display settings!",
			result = tmp_result);

	tmp_result = smu7_unfreeze_sclk_mclk_dpm(hwmgr);
	PP_ASSERT_WITH_CODE((0 == tmp_result),
			"Failed to unfreeze SCLK MCLK DPM!",
			result = tmp_result);

	tmp_result = smu7_upload_dpm_level_enable_mask(hwmgr);
	PP_ASSERT_WITH_CODE((0 == tmp_result),
			"Failed to upload DPM level enabled mask!",
			result = tmp_result);

	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
			PHM_PlatformCaps_PCIEPerformanceRequest)) {
		tmp_result =
			smu7_notify_link_speed_change_after_state_change(hwmgr, input);
		PP_ASSERT_WITH_CODE((0 == tmp_result),
				"Failed to notify link speed change after state change!",
				result = tmp_result);
	}
	data->apply_optimized_settings = false;
	return result;
}

static int smu7_set_max_fan_pwm_output(struct pp_hwmgr *hwmgr, uint16_t us_max_fan_pwm)
{
	hwmgr->thermal_controller.
	advanceFanControlParameters.usMaxFanPWM = us_max_fan_pwm;

	if (phm_is_hw_access_blocked(hwmgr))
		return 0;

	return smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
			PPSMC_MSG_SetFanPwmMax, us_max_fan_pwm);
}

int smu7_notify_smc_display_change(struct pp_hwmgr *hwmgr, bool has_display)
{
	PPSMC_Msg msg = has_display ? (PPSMC_Msg)PPSMC_HasDisplay : (PPSMC_Msg)PPSMC_NoDisplay;

	return (smum_send_msg_to_smc(hwmgr->smumgr, msg) == 0) ?  0 : -1;
}

int smu7_notify_smc_display_config_after_ps_adjustment(struct pp_hwmgr *hwmgr)
{
	uint32_t num_active_displays = 0;
	struct cgs_display_info info = {0};

	info.mode_info = NULL;
	cgs_get_active_displays_info(hwmgr->device, &info);

	num_active_displays = info.display_count;

	if (num_active_displays > 1 && hwmgr->display_config.multi_monitor_in_sync != true)
		smu7_notify_smc_display_change(hwmgr, false);

	return 0;
}

/**
* Programs the display gap
*
* @param    hwmgr  the address of the powerplay hardware manager.
* @return   always OK
*/
int smu7_program_display_gap(struct pp_hwmgr *hwmgr)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
	uint32_t num_active_displays = 0;
	uint32_t display_gap = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_DISPLAY_GAP_CNTL);
	uint32_t display_gap2;
	uint32_t pre_vbi_time_in_us;
	uint32_t frame_time_in_us;
	uint32_t ref_clock;
	uint32_t refresh_rate = 0;
	struct cgs_display_info info = {0};
	struct cgs_mode_info mode_info = {0};

	info.mode_info = &mode_info;
	cgs_get_active_displays_info(hwmgr->device, &info);
	num_active_displays = info.display_count;

	display_gap = PHM_SET_FIELD(display_gap, CG_DISPLAY_GAP_CNTL, DISP_GAP, (num_active_displays > 0) ? DISPLAY_GAP_VBLANK_OR_WM : DISPLAY_GAP_IGNORE);
	cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_DISPLAY_GAP_CNTL, display_gap);

	ref_clock = mode_info.ref_clock;
	refresh_rate = mode_info.refresh_rate;

	if (0 == refresh_rate)
		refresh_rate = 60;

	frame_time_in_us = 1000000 / refresh_rate;

	pre_vbi_time_in_us = frame_time_in_us - 200 - mode_info.vblank_time_us;

	data->frame_time_x2 = frame_time_in_us * 2 / 100;

	display_gap2 = pre_vbi_time_in_us * (ref_clock / 100);

	cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_DISPLAY_GAP_CNTL2, display_gap2);

	cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
			data->soft_regs_start + smum_get_offsetof(hwmgr->smumgr,
							SMU_SoftRegisters,
							PreVBlankGap), 0x64);

	cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
			data->soft_regs_start + smum_get_offsetof(hwmgr->smumgr,
							SMU_SoftRegisters,
							VBlankTimeout),
					(frame_time_in_us - pre_vbi_time_in_us));

	return 0;
}

int smu7_display_configuration_changed_task(struct pp_hwmgr *hwmgr)
{
	return smu7_program_display_gap(hwmgr);
}

/**
*  Set maximum target operating fan output RPM
*
* @param    hwmgr:  the address of the powerplay hardware manager.
* @param    usMaxFanRpm:  max operating fan RPM value.
* @return   The response that came from the SMC.
*/
static int smu7_set_max_fan_rpm_output(struct pp_hwmgr *hwmgr, uint16_t us_max_fan_rpm)
{
	hwmgr->thermal_controller.
	advanceFanControlParameters.usMaxFanRPM = us_max_fan_rpm;

	if (phm_is_hw_access_blocked(hwmgr))
		return 0;

	return smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
			PPSMC_MSG_SetFanRpmMax, us_max_fan_rpm);
}

int smu7_register_internal_thermal_interrupt(struct pp_hwmgr *hwmgr,
					const void *thermal_interrupt_info)
{
	return 0;
}

bool smu7_check_smc_update_required_for_display_configuration(struct pp_hwmgr *hwmgr)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
	bool is_update_required = false;
	struct cgs_display_info info = {0, 0, NULL};

	cgs_get_active_displays_info(hwmgr->device, &info);

	if (data->display_timing.num_existing_displays != info.display_count)
		is_update_required = true;

	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_SclkDeepSleep)) {
		if (data->display_timing.min_clock_in_sr != hwmgr->display_config.min_core_set_clock_in_sr &&
			(data->display_timing.min_clock_in_sr >= SMU7_MINIMUM_ENGINE_CLOCK ||
			hwmgr->display_config.min_core_set_clock_in_sr >= SMU7_MINIMUM_ENGINE_CLOCK))
			is_update_required = true;
	}
	return is_update_required;
}

static inline bool smu7_are_power_levels_equal(const struct smu7_performance_level *pl1,
							   const struct smu7_performance_level *pl2)
{
	return ((pl1->memory_clock == pl2->memory_clock) &&
		  (pl1->engine_clock == pl2->engine_clock) &&
		  (pl1->pcie_gen == pl2->pcie_gen) &&
		  (pl1->pcie_lane == pl2->pcie_lane));
}

int smu7_check_states_equal(struct pp_hwmgr *hwmgr, const struct pp_hw_power_state *pstate1, const struct pp_hw_power_state *pstate2, bool *equal)
{
	const struct smu7_power_state *psa;
	const struct smu7_power_state *psb;
	int i;

	if (pstate1 == NULL || pstate2 == NULL || equal == NULL)
		return -EINVAL;

	psa = cast_const_phw_smu7_power_state(pstate1);
	psb = cast_const_phw_smu7_power_state(pstate2);
	/* If the two states don't even have the same number of performance levels they cannot be the same state. */
	if (psa->performance_level_count != psb->performance_level_count) {
		*equal = false;
		return 0;
	}

	for (i = 0; i < psa->performance_level_count; i++) {
		if (!smu7_are_power_levels_equal(&(psa->performance_levels[i]), &(psb->performance_levels[i]))) {
			/* If we have found even one performance level pair that is different the states are different. */
			*equal = false;
			return 0;
		}
	}

	/* If all performance levels are the same try to use the UVD clocks to break the tie.*/
	*equal = ((psa->uvd_clks.vclk == psb->uvd_clks.vclk) && (psa->uvd_clks.dclk == psb->uvd_clks.dclk));
	*equal &= ((psa->vce_clks.evclk == psb->vce_clks.evclk) && (psa->vce_clks.ecclk == psb->vce_clks.ecclk));
	*equal &= (psa->sclk_threshold == psb->sclk_threshold);

	return 0;
}

int smu7_upload_mc_firmware(struct pp_hwmgr *hwmgr)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

	uint32_t vbios_version;
	uint32_t tmp;

	/* Read MC indirect register offset 0x9F bits [3:0] to see
	 * if VBIOS has already loaded a full version of MC ucode
	 * or not.
	 */

	smu7_get_mc_microcode_version(hwmgr);
	vbios_version = hwmgr->microcode_version_info.MC & 0xf;

	data->need_long_memory_training = false;

	cgs_write_register(hwmgr->device, mmMC_SEQ_IO_DEBUG_INDEX,
							ixMC_IO_DEBUG_UP_13);
	tmp = cgs_read_register(hwmgr->device, mmMC_SEQ_IO_DEBUG_DATA);

	if (tmp & (1 << 23)) {
		data->mem_latency_high = MEM_LATENCY_HIGH;
		data->mem_latency_low = MEM_LATENCY_LOW;
	} else {
		data->mem_latency_high = 330;
		data->mem_latency_low = 330;
	}

	return 0;
}

static int smu7_read_clock_registers(struct pp_hwmgr *hwmgr)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

	data->clock_registers.vCG_SPLL_FUNC_CNTL         =
		cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_SPLL_FUNC_CNTL);
	data->clock_registers.vCG_SPLL_FUNC_CNTL_2       =
		cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_SPLL_FUNC_CNTL_2);
	data->clock_registers.vCG_SPLL_FUNC_CNTL_3       =
		cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_SPLL_FUNC_CNTL_3);
	data->clock_registers.vCG_SPLL_FUNC_CNTL_4       =
		cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_SPLL_FUNC_CNTL_4);
	data->clock_registers.vCG_SPLL_SPREAD_SPECTRUM   =
		cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_SPLL_SPREAD_SPECTRUM);
	data->clock_registers.vCG_SPLL_SPREAD_SPECTRUM_2 =
		cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_SPLL_SPREAD_SPECTRUM_2);
	data->clock_registers.vDLL_CNTL                  =
		cgs_read_register(hwmgr->device, mmDLL_CNTL);
	data->clock_registers.vMCLK_PWRMGT_CNTL          =
		cgs_read_register(hwmgr->device, mmMCLK_PWRMGT_CNTL);
	data->clock_registers.vMPLL_AD_FUNC_CNTL         =
		cgs_read_register(hwmgr->device, mmMPLL_AD_FUNC_CNTL);
	data->clock_registers.vMPLL_DQ_FUNC_CNTL         =
		cgs_read_register(hwmgr->device, mmMPLL_DQ_FUNC_CNTL);
	data->clock_registers.vMPLL_FUNC_CNTL            =
		cgs_read_register(hwmgr->device, mmMPLL_FUNC_CNTL);
	data->clock_registers.vMPLL_FUNC_CNTL_1          =
		cgs_read_register(hwmgr->device, mmMPLL_FUNC_CNTL_1);
	data->clock_registers.vMPLL_FUNC_CNTL_2          =
		cgs_read_register(hwmgr->device, mmMPLL_FUNC_CNTL_2);
	data->clock_registers.vMPLL_SS1                  =
		cgs_read_register(hwmgr->device, mmMPLL_SS1);
	data->clock_registers.vMPLL_SS2                  =
		cgs_read_register(hwmgr->device, mmMPLL_SS2);
	return 0;

}

/**
 * Find out if memory is GDDR5.
 *
 * @param    hwmgr  the address of the powerplay hardware manager.
 * @return   always 0
 */
static int smu7_get_memory_type(struct pp_hwmgr *hwmgr)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
	uint32_t temp;

	temp = cgs_read_register(hwmgr->device, mmMC_SEQ_MISC0);

	data->is_memory_gddr5 = (MC_SEQ_MISC0_GDDR5_VALUE ==
			((temp & MC_SEQ_MISC0_GDDR5_MASK) >>
			 MC_SEQ_MISC0_GDDR5_SHIFT));

	return 0;
}

/**
 * Enables Dynamic Power Management by SMC
 *
 * @param    hwmgr  the address of the powerplay hardware manager.
 * @return   always 0
 */
static int smu7_enable_acpi_power_management(struct pp_hwmgr *hwmgr)
{
	PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
			GENERAL_PWRMGT, STATIC_PM_EN, 1);

	return 0;
}

/**
 * Initialize PowerGating States for different engines
 *
 * @param    hwmgr  the address of the powerplay hardware manager.
 * @return   always 0
 */
static int smu7_init_power_gate_state(struct pp_hwmgr *hwmgr)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

	data->uvd_power_gated = false;
	data->vce_power_gated = false;
	data->samu_power_gated = false;

	return 0;
}

static int smu7_init_sclk_threshold(struct pp_hwmgr *hwmgr)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

	data->low_sclk_interrupt_threshold = 0;
	return 0;
}

int smu7_setup_asic_task(struct pp_hwmgr *hwmgr)
{
	int tmp_result, result = 0;

	smu7_upload_mc_firmware(hwmgr);

	tmp_result = smu7_read_clock_registers(hwmgr);
	PP_ASSERT_WITH_CODE((0 == tmp_result),
			"Failed to read clock registers!", result = tmp_result);

	tmp_result = smu7_get_memory_type(hwmgr);
	PP_ASSERT_WITH_CODE((0 == tmp_result),
			"Failed to get memory type!", result = tmp_result);

	tmp_result = smu7_enable_acpi_power_management(hwmgr);
	PP_ASSERT_WITH_CODE((0 == tmp_result),
			"Failed to enable ACPI power management!", result = tmp_result);

	tmp_result = smu7_init_power_gate_state(hwmgr);
	PP_ASSERT_WITH_CODE((0 == tmp_result),
			"Failed to init power gate state!", result = tmp_result);

	tmp_result = smu7_get_mc_microcode_version(hwmgr);
	PP_ASSERT_WITH_CODE((0 == tmp_result),
			"Failed to get MC microcode version!", result = tmp_result);

	tmp_result = smu7_init_sclk_threshold(hwmgr);
	PP_ASSERT_WITH_CODE((0 == tmp_result),
			"Failed to init sclk threshold!", result = tmp_result);

	return result;
}

static int smu7_force_clock_level(struct pp_hwmgr *hwmgr,
		enum pp_clock_type type, uint32_t mask)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

	if (hwmgr->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL)
		return -EINVAL;

	switch (type) {
	case PP_SCLK:
		if (!data->sclk_dpm_key_disabled)
			smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
					PPSMC_MSG_SCLKDPM_SetEnabledMask,
					data->dpm_level_enable_mask.sclk_dpm_enable_mask & mask);
		break;
	case PP_MCLK:
		if (!data->mclk_dpm_key_disabled)
			smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
					PPSMC_MSG_MCLKDPM_SetEnabledMask,
					data->dpm_level_enable_mask.mclk_dpm_enable_mask & mask);
		break;
	case PP_PCIE:
	{
		uint32_t tmp = mask & data->dpm_level_enable_mask.pcie_dpm_enable_mask;
		uint32_t level = 0;

		while (tmp >>= 1)
			level++;

		if (!data->pcie_dpm_key_disabled)
			smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
					PPSMC_MSG_PCIeDPM_ForceLevel,
					level);
		break;
	}
	default:
		break;
	}

	return 0;
}

static int smu7_print_clock_levels(struct pp_hwmgr *hwmgr,
		enum pp_clock_type type, char *buf)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
	struct smu7_single_dpm_table *sclk_table = &(data->dpm_table.sclk_table);
	struct smu7_single_dpm_table *mclk_table = &(data->dpm_table.mclk_table);
	struct smu7_single_dpm_table *pcie_table = &(data->dpm_table.pcie_speed_table);
	int i, now, size = 0;
	uint32_t clock, pcie_speed;

	switch (type) {
	case PP_SCLK:
		smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_API_GetSclkFrequency);
		clock = cgs_read_register(hwmgr->device, mmSMC_MSG_ARG_0);

		for (i = 0; i < sclk_table->count; i++) {
			if (clock > sclk_table->dpm_levels[i].value)
				continue;
			break;
		}
		now = i;

		for (i = 0; i < sclk_table->count; i++)
			size += sprintf(buf + size, "%d: %uMhz %s\n",
					i, sclk_table->dpm_levels[i].value / 100,
					(i == now) ? "*" : "");
		break;
	case PP_MCLK:
		smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_API_GetMclkFrequency);
		clock = cgs_read_register(hwmgr->device, mmSMC_MSG_ARG_0);

		for (i = 0; i < mclk_table->count; i++) {
			if (clock > mclk_table->dpm_levels[i].value)
				continue;
			break;
		}
		now = i;

		for (i = 0; i < mclk_table->count; i++)
			size += sprintf(buf + size, "%d: %uMhz %s\n",
					i, mclk_table->dpm_levels[i].value / 100,
					(i == now) ? "*" : "");
		break;
	case PP_PCIE:
		pcie_speed = smu7_get_current_pcie_speed(hwmgr);
		for (i = 0; i < pcie_table->count; i++) {
			if (pcie_speed != pcie_table->dpm_levels[i].value)
				continue;
			break;
		}
		now = i;

		for (i = 0; i < pcie_table->count; i++)
			size += sprintf(buf + size, "%d: %s %s\n", i,
					(pcie_table->dpm_levels[i].value == 0) ? "2.5GB, x8" :
					(pcie_table->dpm_levels[i].value == 1) ? "5.0GB, x16" :
					(pcie_table->dpm_levels[i].value == 2) ? "8.0GB, x16" : "",
					(i == now) ? "*" : "");
		break;
	default:
		break;
	}
	return size;
}

static int smu7_set_fan_control_mode(struct pp_hwmgr *hwmgr, uint32_t mode)
{
	if (mode) {
		/* stop auto-manage */
		if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
				PHM_PlatformCaps_MicrocodeFanControl))
			smu7_fan_ctrl_stop_smc_fan_control(hwmgr);
		smu7_fan_ctrl_set_static_mode(hwmgr, mode);
	} else
		/* restart auto-manage */
		smu7_fan_ctrl_reset_fan_speed_to_default(hwmgr);

	return 0;
}

static int smu7_get_fan_control_mode(struct pp_hwmgr *hwmgr)
{
	if (hwmgr->fan_ctrl_is_in_default_mode)
		return hwmgr->fan_ctrl_default_mode;
	else
		return PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
				CG_FDO_CTRL2, FDO_PWM_MODE);
}

static int smu7_get_sclk_od(struct pp_hwmgr *hwmgr)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
	struct smu7_single_dpm_table *sclk_table = &(data->dpm_table.sclk_table);
	struct smu7_single_dpm_table *golden_sclk_table =
			&(data->golden_dpm_table.sclk_table);
	int value;

	value = (sclk_table->dpm_levels[sclk_table->count - 1].value -
			golden_sclk_table->dpm_levels[golden_sclk_table->count - 1].value) *
			100 /
			golden_sclk_table->dpm_levels[golden_sclk_table->count - 1].value;

	return value;
}

static int smu7_set_sclk_od(struct pp_hwmgr *hwmgr, uint32_t value)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
	struct smu7_single_dpm_table *golden_sclk_table =
			&(data->golden_dpm_table.sclk_table);
	struct pp_power_state  *ps;
	struct smu7_power_state  *smu7_ps;

	if (value > 20)
		value = 20;

	ps = hwmgr->request_ps;

	if (ps == NULL)
		return -EINVAL;

	smu7_ps = cast_phw_smu7_power_state(&ps->hardware);

	smu7_ps->performance_levels[smu7_ps->performance_level_count - 1].engine_clock =
			golden_sclk_table->dpm_levels[golden_sclk_table->count - 1].value *
			value / 100 +
			golden_sclk_table->dpm_levels[golden_sclk_table->count - 1].value;

	return 0;
}

static int smu7_get_mclk_od(struct pp_hwmgr *hwmgr)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
	struct smu7_single_dpm_table *mclk_table = &(data->dpm_table.mclk_table);
	struct smu7_single_dpm_table *golden_mclk_table =
			&(data->golden_dpm_table.mclk_table);
	int value;

	value = (mclk_table->dpm_levels[mclk_table->count - 1].value -
			golden_mclk_table->dpm_levels[golden_mclk_table->count - 1].value) *
			100 /
			golden_mclk_table->dpm_levels[golden_mclk_table->count - 1].value;

	return value;
}

static int smu7_set_mclk_od(struct pp_hwmgr *hwmgr, uint32_t value)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
	struct smu7_single_dpm_table *golden_mclk_table =
			&(data->golden_dpm_table.mclk_table);
	struct pp_power_state  *ps;
	struct smu7_power_state  *smu7_ps;

	if (value > 20)
		value = 20;

	ps = hwmgr->request_ps;

	if (ps == NULL)
		return -EINVAL;

	smu7_ps = cast_phw_smu7_power_state(&ps->hardware);

	smu7_ps->performance_levels[smu7_ps->performance_level_count - 1].memory_clock =
			golden_mclk_table->dpm_levels[golden_mclk_table->count - 1].value *
			value / 100 +
			golden_mclk_table->dpm_levels[golden_mclk_table->count - 1].value;

	return 0;
}


static int smu7_get_sclks(struct pp_hwmgr *hwmgr, struct amd_pp_clocks *clocks)
{
	struct phm_ppt_v1_information *table_info =
			(struct phm_ppt_v1_information *)hwmgr->pptable;
	struct phm_ppt_v1_clock_voltage_dependency_table *dep_sclk_table = NULL;
	struct phm_clock_voltage_dependency_table *sclk_table;
	int i;

	if (hwmgr->pp_table_version == PP_TABLE_V1) {
		if (table_info == NULL || table_info->vdd_dep_on_sclk == NULL)
			return -EINVAL;
		dep_sclk_table = table_info->vdd_dep_on_sclk;
		for (i = 0; i < dep_sclk_table->count; i++) {
			clocks->clock[i] = dep_sclk_table->entries[i].clk;
			clocks->count++;
		}
	} else if (hwmgr->pp_table_version == PP_TABLE_V0) {
		sclk_table = hwmgr->dyn_state.vddc_dependency_on_sclk;
		for (i = 0; i < sclk_table->count; i++) {
			clocks->clock[i] = sclk_table->entries[i].clk;
			clocks->count++;
		}
	}

	return 0;
}

static uint32_t smu7_get_mem_latency(struct pp_hwmgr *hwmgr, uint32_t clk)
{
	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

	if (clk >= MEM_FREQ_LOW_LATENCY && clk < MEM_FREQ_HIGH_LATENCY)
		return data->mem_latency_high;
	else if (clk >= MEM_FREQ_HIGH_LATENCY)
		return data->mem_latency_low;
	else
		return MEM_LATENCY_ERR;
}

static int smu7_get_mclks(struct pp_hwmgr *hwmgr, struct amd_pp_clocks *clocks)
{
	struct phm_ppt_v1_information *table_info =
			(struct phm_ppt_v1_information *)hwmgr->pptable;
	struct phm_ppt_v1_clock_voltage_dependency_table *dep_mclk_table;
	int i;
	struct phm_clock_voltage_dependency_table *mclk_table;

	if (hwmgr->pp_table_version == PP_TABLE_V1) {
		if (table_info == NULL)
			return -EINVAL;
		dep_mclk_table = table_info->vdd_dep_on_mclk;
		for (i = 0; i < dep_mclk_table->count; i++) {
			clocks->clock[i] = dep_mclk_table->entries[i].clk;
			clocks->latency[i] = smu7_get_mem_latency(hwmgr,
						dep_mclk_table->entries[i].clk);
			clocks->count++;
		}
	} else if (hwmgr->pp_table_version == PP_TABLE_V0) {
		mclk_table = hwmgr->dyn_state.vddc_dependency_on_mclk;
		for (i = 0; i < mclk_table->count; i++) {
			clocks->clock[i] = mclk_table->entries[i].clk;
			clocks->count++;
		}
	}
	return 0;
}

static int smu7_get_clock_by_type(struct pp_hwmgr *hwmgr, enum amd_pp_clock_type type,
						struct amd_pp_clocks *clocks)
{
	switch (type) {
	case amd_pp_sys_clock:
		smu7_get_sclks(hwmgr, clocks);
		break;
	case amd_pp_mem_clock:
		smu7_get_mclks(hwmgr, clocks);
		break;
	default:
		return -EINVAL;
	}

	return 0;
}

static const struct pp_hwmgr_func smu7_hwmgr_funcs = {
	.backend_init = &smu7_hwmgr_backend_init,
	.backend_fini = &phm_hwmgr_backend_fini,
	.asic_setup = &smu7_setup_asic_task,
	.dynamic_state_management_enable = &smu7_enable_dpm_tasks,
	.apply_state_adjust_rules = smu7_apply_state_adjust_rules,
	.force_dpm_level = &smu7_force_dpm_level,
	.power_state_set = smu7_set_power_state_tasks,
	.get_power_state_size = smu7_get_power_state_size,
	.get_mclk = smu7_dpm_get_mclk,
	.get_sclk = smu7_dpm_get_sclk,
	.patch_boot_state = smu7_dpm_patch_boot_state,
	.get_pp_table_entry = smu7_get_pp_table_entry,
	.get_num_of_pp_table_entries = smu7_get_number_of_powerplay_table_entries,
	.powerdown_uvd = smu7_powerdown_uvd,
	.powergate_uvd = smu7_powergate_uvd,
	.powergate_vce = smu7_powergate_vce,
	.disable_clock_power_gating = smu7_disable_clock_power_gating,
	.update_clock_gatings = smu7_update_clock_gatings,
	.notify_smc_display_config_after_ps_adjustment = smu7_notify_smc_display_config_after_ps_adjustment,
	.display_config_changed = smu7_display_configuration_changed_task,
	.set_max_fan_pwm_output = smu7_set_max_fan_pwm_output,
	.set_max_fan_rpm_output = smu7_set_max_fan_rpm_output,
	.get_temperature = smu7_thermal_get_temperature,
	.stop_thermal_controller = smu7_thermal_stop_thermal_controller,
	.get_fan_speed_info = smu7_fan_ctrl_get_fan_speed_info,
	.get_fan_speed_percent = smu7_fan_ctrl_get_fan_speed_percent,
	.set_fan_speed_percent = smu7_fan_ctrl_set_fan_speed_percent,
	.reset_fan_speed_to_default = smu7_fan_ctrl_reset_fan_speed_to_default,
	.get_fan_speed_rpm = smu7_fan_ctrl_get_fan_speed_rpm,
	.set_fan_speed_rpm = smu7_fan_ctrl_set_fan_speed_rpm,
	.uninitialize_thermal_controller = smu7_thermal_ctrl_uninitialize_thermal_controller,
	.register_internal_thermal_interrupt = smu7_register_internal_thermal_interrupt,
	.check_smc_update_required_for_display_configuration = smu7_check_smc_update_required_for_display_configuration,
	.check_states_equal = smu7_check_states_equal,
	.set_fan_control_mode = smu7_set_fan_control_mode,
	.get_fan_control_mode = smu7_get_fan_control_mode,
	.force_clock_level = smu7_force_clock_level,
	.print_clock_levels = smu7_print_clock_levels,
	.enable_per_cu_power_gating = smu7_enable_per_cu_power_gating,
	.get_sclk_od = smu7_get_sclk_od,
	.set_sclk_od = smu7_set_sclk_od,
	.get_mclk_od = smu7_get_mclk_od,
	.set_mclk_od = smu7_set_mclk_od,
	.get_clock_by_type = smu7_get_clock_by_type,
	.read_sensor = smu7_read_sensor,
	.dynamic_state_management_disable = smu7_disable_dpm_tasks,
};

uint8_t smu7_get_sleep_divider_id_from_clock(uint32_t clock,
		uint32_t clock_insr)
{
	uint8_t i;
	uint32_t temp;
	uint32_t min = max(clock_insr, (uint32_t)SMU7_MINIMUM_ENGINE_CLOCK);

	PP_ASSERT_WITH_CODE((clock >= min), "Engine clock can't satisfy stutter requirement!", return 0);
	for (i = SMU7_MAX_DEEPSLEEP_DIVIDER_ID;  ; i--) {
		temp = clock >> i;

		if (temp >= min || i == 0)
			break;
	}
	return i;
}

int smu7_hwmgr_init(struct pp_hwmgr *hwmgr)
{
	int ret = 0;

	hwmgr->hwmgr_func = &smu7_hwmgr_funcs;
	if (hwmgr->pp_table_version == PP_TABLE_V0)
		hwmgr->pptable_func = &pptable_funcs;
	else if (hwmgr->pp_table_version == PP_TABLE_V1)
		hwmgr->pptable_func = &pptable_v1_0_funcs;

	pp_smu7_thermal_initialize(hwmgr);
	return ret;
}

