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OpenCloudOS-Kernel/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c

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/*
* 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);
static 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;
}
static 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
*/
static 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;
}
static 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));
}
static 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
*/
static 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;
}
static 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;
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);
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);
}
static 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;
}
static 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);
struct cgs_system_info sys_info = {0};
int result;
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) && (hwmgr->feature_mask & PP_CLOCK_STRETCH_MASK)
&& (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;
sys_info.size = sizeof(struct cgs_system_info);
sys_info.info_id = CGS_SYSTEM_INFO_PG_FLAGS;
result = cgs_query_system_info(hwmgr->device, &sys_info);
if (!result) {
if (sys_info.value & AMD_PG_SUPPORT_UVD)
phm_cap_set(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_UVDPowerGating);
if (sys_info.value & AMD_PG_SUPPORT_VCE)
phm_cap_set(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_VCEPowerGating);
}
}
/**
* 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;
}
static 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;
if (hwmgr->feature_mask & PP_OD_FUZZY_FAN_CONTROL_MASK)
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;
}
static 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);
}
static 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;
}
static 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
*/
static 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;
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;
}
static 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);
}
static int smu7_register_internal_thermal_interrupt(struct pp_hwmgr *hwmgr,
const void *thermal_interrupt_info)
{
return 0;
}
static 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));
}
static 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;
}
static 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;
}
static 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;
}
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