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kernel / pub / scm / linux / kernel / git / kbingham / rcar / 107df03203bb66de56e2caec3bde6d22b55480c5 / . / drivers / gpu / drm / amd / powerplay / hwmgr / polaris10_hwmgr.c
blob: 91e25f942d909b0ac6c07d85632514cef6a28023 [file] [log] [blame]
/*
* 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 "hwmgr.h"
#include "polaris10_hwmgr.h"
#include "polaris10_powertune.h"
#include "polaris10_dyn_defaults.h"
#include "polaris10_smumgr.h"
#include "pp_debug.h"
#include "ppatomctrl.h"
#include "atombios.h"
#include "tonga_pptable.h"
#include "pppcielanes.h"
#include "amd_pcie_helpers.h"
#include "hardwaremanager.h"
#include "tonga_processpptables.h"
#include "cgs_common.h"
#include "smu74.h"
#include "smu_ucode_xfer_vi.h"
#include "smu74_discrete.h"
#include "smu/smu_7_1_3_d.h"
#include "smu/smu_7_1_3_sh_mask.h"
#include "gmc/gmc_8_1_d.h"
#include "gmc/gmc_8_1_sh_mask.h"
#include "oss/oss_3_0_d.h"
#include "gca/gfx_8_0_d.h"
#include "bif/bif_5_0_d.h"
#include "bif/bif_5_0_sh_mask.h"
#include "gmc/gmc_8_1_d.h"
#include "gmc/gmc_8_1_sh_mask.h"
#include "bif/bif_5_0_d.h"
#include "bif/bif_5_0_sh_mask.h"
#include "dce/dce_10_0_d.h"
#include "dce/dce_10_0_sh_mask.h"
#include "polaris10_thermal.h"
#include "polaris10_clockpowergating.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_RAM_END 0x40000
#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 VDDC_VDDCI_DELTA 200
#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)
static const uint16_t polaris10_clock_stretcher_lookup_table[2][4] =
{ {600, 1050, 3, 0}, {600, 1050, 6, 1} };
/* [FF, SS] type, [] 4 voltage ranges, and [Floor Freq, Boundary Freq, VID min , VID max] */
static const uint32_t polaris10_clock_stretcher_ddt_table[2][4][4] =
{ { {265, 529, 120, 128}, {325, 650, 96, 119}, {430, 860, 32, 95}, {0, 0, 0, 31} },
{ {275, 550, 104, 112}, {319, 638, 96, 103}, {360, 720, 64, 95}, {384, 768, 32, 63} } };
/* [Use_For_Low_freq] value, [0%, 5%, 10%, 7.14%, 14.28%, 20%] (coming from PWR_CKS_CNTL.stretch_amount reg spec) */
static const uint8_t polaris10_clock_stretch_amount_conversion[2][6] =
{ {0, 1, 3, 2, 4, 5}, {0, 2, 4, 5, 6, 5} };
/** 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 PhwPolaris10_Magic = (unsigned long)(PHM_VIslands_Magic);
struct polaris10_power_state *cast_phw_polaris10_power_state(
struct pp_hw_power_state *hw_ps)
{
PP_ASSERT_WITH_CODE((PhwPolaris10_Magic == hw_ps->magic),
"Invalid Powerstate Type!",
return NULL);
return (struct polaris10_power_state *)hw_ps;
}
const struct polaris10_power_state *cast_const_phw_polaris10_power_state(
const struct pp_hw_power_state *hw_ps)
{
PP_ASSERT_WITH_CODE((PhwPolaris10_Magic == hw_ps->magic),
"Invalid Powerstate Type!",
return NULL);
return (const struct polaris10_power_state *)hw_ps;
}
static bool polaris10_is_dpm_running(struct pp_hwmgr *hwmgr)
{
return (1 == PHM_READ_INDIRECT_FIELD(hwmgr->device,
CGS_IND_REG__SMC, FEATURE_STATUS, VOLTAGE_CONTROLLER_ON))
? true : false;
}
/**
* Find the MC microcode version and store it in the HwMgr struct
*
* @param hwmgr the address of the powerplay hardware manager.
* @return always 0
*/
int phm_get_mc_microcode_version (struct pp_hwmgr *hwmgr)
{
cgs_write_register(hwmgr->device, mmMC_SEQ_IO_DEBUG_INDEX, 0x9F);
hwmgr->microcode_version_info.MC = cgs_read_register(hwmgr->device, mmMC_SEQ_IO_DEBUG_DATA);
return 0;
}
uint16_t phm_get_current_pcie_speed(struct pp_hwmgr *hwmgr)
{
uint32_t speedCntl = 0;
/* mmPCIE_PORT_INDEX rename as mmPCIE_INDEX */
speedCntl = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__PCIE,
ixPCIE_LC_SPEED_CNTL);
return((uint16_t)PHM_GET_FIELD(speedCntl,
PCIE_LC_SPEED_CNTL, LC_CURRENT_DATA_RATE));
}
int phm_get_current_pcie_lane_number(struct pp_hwmgr *hwmgr)
{
uint32_t link_width;
/* mmPCIE_PORT_INDEX rename as mmPCIE_INDEX */
link_width = PHM_READ_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__PCIE,
PCIE_LC_LINK_WIDTH_CNTL, LC_LINK_WIDTH_RD);
PP_ASSERT_WITH_CODE((7 >= link_width),
"Invalid PCIe lane width!", return 0);
return decode_pcie_lane_width(link_width);
}
/**
* Enable voltage control
*
* @param pHwMgr the address of the powerplay hardware manager.
* @return always PP_Result_OK
*/
int polaris10_enable_smc_voltage_controller(struct pp_hwmgr *hwmgr)
{
PP_ASSERT_WITH_CODE(
(hwmgr->smumgr->smumgr_funcs->send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_Voltage_Cntl_Enable) == 0),
"Failed to enable voltage DPM during DPM Start Function!",
return 1;
);
return 0;
}
/**
* Checks if we want to support voltage control
*
* @param hwmgr the address of the powerplay hardware manager.
*/
static bool polaris10_voltage_control(const struct pp_hwmgr *hwmgr)
{
const struct polaris10_hwmgr *data =
(const struct polaris10_hwmgr *)(hwmgr->backend);
return (POLARIS10_VOLTAGE_CONTROL_NONE != data->voltage_control);
}
/**
* Enable voltage control
*
* @param hwmgr the address of the powerplay hardware manager.
* @return always 0
*/
static int polaris10_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;
}
/**
* Create Voltage Tables.
*
* @param hwmgr the address of the powerplay hardware manager.
* @return always 0
*/
static int polaris10_construct_voltage_tables(struct pp_hwmgr *hwmgr)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
struct phm_ppt_v1_information *table_info =
(struct phm_ppt_v1_information *)hwmgr->pptable;
int result;
if (POLARIS10_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 (POLARIS10_VOLTAGE_CONTROL_BY_SVID2 == data->mvdd_control) {
result = phm_get_svi2_mvdd_voltage_table(&(data->mvdd_voltage_table),
table_info->vdd_dep_on_mclk);
PP_ASSERT_WITH_CODE((0 == result),
"Failed to retrieve SVI2 MVDD table from dependancy table.",
return result;);
}
if (POLARIS10_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 (POLARIS10_VOLTAGE_CONTROL_BY_SVID2 == data->vddci_control) {
result = phm_get_svi2_vddci_voltage_table(&(data->vddci_voltage_table),
table_info->vdd_dep_on_mclk);
PP_ASSERT_WITH_CODE((0 == result),
"Failed to retrieve SVI2 VDDCI table from dependancy table.",
return result);
}
if (POLARIS10_VOLTAGE_CONTROL_BY_SVID2 == data->voltage_control) {
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 lookup table.",
return result);
}
PP_ASSERT_WITH_CODE(
(data->vddc_voltage_table.count <= (SMU74_MAX_LEVELS_VDDC)),
"Too many voltage values for VDDC. Trimming to fit state table.",
phm_trim_voltage_table_to_fit_state_table(SMU74_MAX_LEVELS_VDDC,
&(data->vddc_voltage_table)));
PP_ASSERT_WITH_CODE(
(data->vddci_voltage_table.count <= (SMU74_MAX_LEVELS_VDDCI)),
"Too many voltage values for VDDCI. Trimming to fit state table.",
phm_trim_voltage_table_to_fit_state_table(SMU74_MAX_LEVELS_VDDCI,
&(data->vddci_voltage_table)));
PP_ASSERT_WITH_CODE(
(data->mvdd_voltage_table.count <= (SMU74_MAX_LEVELS_MVDD)),
"Too many voltage values for MVDD. Trimming to fit state table.",
phm_trim_voltage_table_to_fit_state_table(SMU74_MAX_LEVELS_MVDD,
&(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 polaris10_program_static_screen_threshold_parameters(
struct pp_hwmgr *hwmgr)
{
struct polaris10_hwmgr *data = (struct polaris10_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 polaris10_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 polaris10_program_voting_clients(struct pp_hwmgr *hwmgr)
{
struct polaris10_hwmgr *data = (struct polaris10_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;
}
/**
* Get the location of various tables inside the FW image.
*
* @param hwmgr the address of the powerplay hardware manager.
* @return always 0
*/
static int polaris10_process_firmware_header(struct pp_hwmgr *hwmgr)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
struct polaris10_smumgr *smu_data = (struct polaris10_smumgr *)(hwmgr->smumgr->backend);
uint32_t tmp;
int result;
bool error = false;
result = polaris10_read_smc_sram_dword(hwmgr->smumgr,
SMU7_FIRMWARE_HEADER_LOCATION +
offsetof(SMU74_Firmware_Header, DpmTable),
&tmp, data->sram_end);
if (0 == result)
data->dpm_table_start = tmp;
error |= (0 != result);
result = polaris10_read_smc_sram_dword(hwmgr->smumgr,
SMU7_FIRMWARE_HEADER_LOCATION +
offsetof(SMU74_Firmware_Header, SoftRegisters),
&tmp, data->sram_end);
if (!result) {
data->soft_regs_start = tmp;
smu_data->soft_regs_start = tmp;
}
error |= (0 != result);
result = polaris10_read_smc_sram_dword(hwmgr->smumgr,
SMU7_FIRMWARE_HEADER_LOCATION +
offsetof(SMU74_Firmware_Header, mcRegisterTable),
&tmp, data->sram_end);
if (!result)
data->mc_reg_table_start = tmp;
result = polaris10_read_smc_sram_dword(hwmgr->smumgr,
SMU7_FIRMWARE_HEADER_LOCATION +
offsetof(SMU74_Firmware_Header, FanTable),
&tmp, data->sram_end);
if (!result)
data->fan_table_start = tmp;
error |= (0 != result);
result = polaris10_read_smc_sram_dword(hwmgr->smumgr,
SMU7_FIRMWARE_HEADER_LOCATION +
offsetof(SMU74_Firmware_Header, mcArbDramTimingTable),
&tmp, data->sram_end);
if (!result)
data->arb_table_start = tmp;
error |= (0 != result);
result = polaris10_read_smc_sram_dword(hwmgr->smumgr,
SMU7_FIRMWARE_HEADER_LOCATION +
offsetof(SMU74_Firmware_Header, Version),
&tmp, data->sram_end);
if (!result)
hwmgr->microcode_version_info.SMC = tmp;
error |= (0 != result);
return error ? -1 : 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 polaris10_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;
}
/**
* 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 polaris10_initial_switch_from_arbf0_to_f1(struct pp_hwmgr *hwmgr)
{
return polaris10_copy_and_switch_arb_sets(hwmgr,
MC_CG_ARB_FREQ_F0, MC_CG_ARB_FREQ_F1);
}
static int polaris10_setup_default_pcie_table(struct pp_hwmgr *hwmgr)
{
struct polaris10_hwmgr *data = (struct polaris10_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 = table_info->pcie_table;
uint32_t i, max_entry;
PP_ASSERT_WITH_CODE((data->use_pcie_performance_levels ||
data->use_pcie_power_saving_levels), "No pcie performance levels!",
return -EINVAL);
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;
}
phm_reset_single_dpm_table(&data->dpm_table.pcie_speed_table,
SMU74_MAX_LEVELS_LINK,
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 = (SMU74_MAX_LEVELS_LINK < pcie_table->count) ?
SMU74_MAX_LEVELS_LINK : 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;
/* Setup BIF_SCLK levels */
for (i = 0; i < max_entry; i++)
data->bif_sclk_table[i] = pcie_table->entries[i].pcie_sclk;
} 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;
}
/*
* This function is to initalize 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.
*/
int polaris10_setup_default_dpm_tables(struct pp_hwmgr *hwmgr)
{
struct polaris10_hwmgr *data = (struct polaris10_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 =
table_info->vdd_dep_on_sclk;
struct phm_ppt_v1_clock_voltage_dependency_table *dep_mclk_table =
table_info->vdd_dep_on_mclk;
PP_ASSERT_WITH_CODE(dep_sclk_table != NULL,
"SCLK dependency table is missing. This table is mandatory",
return -EINVAL);
PP_ASSERT_WITH_CODE(dep_sclk_table->count >= 1,
"SCLK dependency table has to have is missing."
"This table is mandatory",
return -EINVAL);
PP_ASSERT_WITH_CODE(dep_mclk_table != NULL,
"MCLK dependency table is missing. This table is mandatory",
return -EINVAL);
PP_ASSERT_WITH_CODE(dep_mclk_table->count >= 1,
"MCLK dependency table has to have is missing."
"This table is mandatory",
return -EINVAL);
/* clear the state table to reset everything to default */
phm_reset_single_dpm_table(
&data->dpm_table.sclk_table, SMU74_MAX_LEVELS_GRAPHICS, MAX_REGULAR_DPM_NUMBER);
phm_reset_single_dpm_table(
&data->dpm_table.mclk_table, SMU74_MAX_LEVELS_MEMORY, MAX_REGULAR_DPM_NUMBER);
/* 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++;
}
}
/* setup PCIE gen speed levels */
polaris10_setup_default_pcie_table(hwmgr);
/* save a copy of the default DPM table */
memcpy(&(data->golden_dpm_table), &(data->dpm_table),
sizeof(struct polaris10_dpm_table));
return 0;
}
uint8_t convert_to_vid(uint16_t vddc)
{
return (uint8_t) ((6200 - (vddc * VOLTAGE_SCALE)) / 25);
}
/**
* Mvdd table preparation for SMC.
*
* @param *hwmgr The address of the hardware manager.
* @param *table The SMC DPM table structure to be populated.
* @return 0
*/
static int polaris10_populate_smc_mvdd_table(struct pp_hwmgr *hwmgr,
SMU74_Discrete_DpmTable *table)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
uint32_t count, level;
if (POLARIS10_VOLTAGE_CONTROL_BY_GPIO == data->mvdd_control) {
count = data->mvdd_voltage_table.count;
if (count > SMU_MAX_SMIO_LEVELS)
count = SMU_MAX_SMIO_LEVELS;
for (level = 0; level < count; level++) {
table->SmioTable2.Pattern[level].Voltage =
PP_HOST_TO_SMC_US(data->mvdd_voltage_table.entries[count].value * VOLTAGE_SCALE);
/* Index into DpmTable.Smio. Drive bits from Smio entry to get this voltage level.*/
table->SmioTable2.Pattern[level].Smio =
(uint8_t) level;
table->Smio[level] |=
data->mvdd_voltage_table.entries[level].smio_low;
}
table->SmioMask2 = data->mvdd_voltage_table.mask_low;
table->MvddLevelCount = (uint32_t) PP_HOST_TO_SMC_UL(count);
}
return 0;
}
static int polaris10_populate_smc_vddci_table(struct pp_hwmgr *hwmgr,
struct SMU74_Discrete_DpmTable *table)
{
uint32_t count, level;
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
count = data->vddci_voltage_table.count;
if (POLARIS10_VOLTAGE_CONTROL_BY_GPIO == data->vddci_control) {
if (count > SMU_MAX_SMIO_LEVELS)
count = SMU_MAX_SMIO_LEVELS;
for (level = 0; level < count; ++level) {
table->SmioTable1.Pattern[level].Voltage =
PP_HOST_TO_SMC_US(data->vddci_voltage_table.entries[level].value * VOLTAGE_SCALE);
table->SmioTable1.Pattern[level].Smio = (uint8_t) level;
table->Smio[level] |= data->vddci_voltage_table.entries[level].smio_low;
}
}
table->SmioMask1 = data->vddci_voltage_table.mask_low;
return 0;
}
/**
* Preparation of vddc and vddgfx CAC tables for SMC.
*
* @param hwmgr the address of the hardware manager
* @param table the SMC DPM table structure to be populated
* @return always 0
*/
static int polaris10_populate_cac_table(struct pp_hwmgr *hwmgr,
struct SMU74_Discrete_DpmTable *table)
{
uint32_t count;
uint8_t index;
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
struct phm_ppt_v1_information *table_info =
(struct phm_ppt_v1_information *)(hwmgr->pptable);
struct phm_ppt_v1_voltage_lookup_table *lookup_table =
table_info->vddc_lookup_table;
/* tables is already swapped, so in order to use the value from it,
* we need to swap it back.
* We are populating vddc CAC data to BapmVddc table
* in split and merged mode
*/
for (count = 0; count < lookup_table->count; count++) {
index = phm_get_voltage_index(lookup_table,
data->vddc_voltage_table.entries[count].value);
table->BapmVddcVidLoSidd[count] = convert_to_vid(lookup_table->entries[index].us_cac_low);
table->BapmVddcVidHiSidd[count] = convert_to_vid(lookup_table->entries[index].us_cac_mid);
table->BapmVddcVidHiSidd2[count] = convert_to_vid(lookup_table->entries[index].us_cac_high);
}
return 0;
}
/**
* Preparation of voltage tables for SMC.
*
* @param hwmgr the address of the hardware manager
* @param table the SMC DPM table structure to be populated
* @return always 0
*/
int polaris10_populate_smc_voltage_tables(struct pp_hwmgr *hwmgr,
struct SMU74_Discrete_DpmTable *table)
{
polaris10_populate_smc_vddci_table(hwmgr, table);
polaris10_populate_smc_mvdd_table(hwmgr, table);
polaris10_populate_cac_table(hwmgr, table);
return 0;
}
static int polaris10_populate_ulv_level(struct pp_hwmgr *hwmgr,
struct SMU74_Discrete_Ulv *state)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
struct phm_ppt_v1_information *table_info =
(struct phm_ppt_v1_information *)(hwmgr->pptable);
state->CcPwrDynRm = 0;
state->CcPwrDynRm1 = 0;
state->VddcOffset = (uint16_t) table_info->us_ulv_voltage_offset;
state->VddcOffsetVid = (uint8_t)(table_info->us_ulv_voltage_offset *
VOLTAGE_VID_OFFSET_SCALE2 / VOLTAGE_VID_OFFSET_SCALE1);
state->VddcPhase = (data->vddc_phase_shed_control) ? 0 : 1;
CONVERT_FROM_HOST_TO_SMC_UL(state->CcPwrDynRm);
CONVERT_FROM_HOST_TO_SMC_UL(state->CcPwrDynRm1);
CONVERT_FROM_HOST_TO_SMC_US(state->VddcOffset);
return 0;
}
static int polaris10_populate_ulv_state(struct pp_hwmgr *hwmgr,
struct SMU74_Discrete_DpmTable *table)
{
return polaris10_populate_ulv_level(hwmgr, &table->Ulv);
}
static int polaris10_populate_smc_link_level(struct pp_hwmgr *hwmgr,
struct SMU74_Discrete_DpmTable *table)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
struct polaris10_dpm_table *dpm_table = &data->dpm_table;
int i;
/* Index (dpm_table->pcie_speed_table.count)
* is reserved for PCIE boot level. */
for (i = 0; i <= dpm_table->pcie_speed_table.count; i++) {
table->LinkLevel[i].PcieGenSpeed =
(uint8_t)dpm_table->pcie_speed_table.dpm_levels[i].value;
table->LinkLevel[i].PcieLaneCount = (uint8_t)encode_pcie_lane_width(
dpm_table->pcie_speed_table.dpm_levels[i].param1);
table->LinkLevel[i].EnabledForActivity = 1;
table->LinkLevel[i].SPC = (uint8_t)(data->pcie_spc_cap & 0xff);
table->LinkLevel[i].DownThreshold = PP_HOST_TO_SMC_UL(5);
table->LinkLevel[i].UpThreshold = PP_HOST_TO_SMC_UL(30);
}
data->smc_state_table.LinkLevelCount =
(uint8_t)dpm_table->pcie_speed_table.count;
data->dpm_level_enable_mask.pcie_dpm_enable_mask =
phm_get_dpm_level_enable_mask_value(&dpm_table->pcie_speed_table);
return 0;
}
static uint32_t polaris10_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;
}
/**
* Calculates the SCLK dividers using the provided engine clock
*
* @param hwmgr the address of the hardware manager
* @param clock the engine clock to use to populate the structure
* @param sclk the SMC SCLK structure to be populated
*/
static int polaris10_calculate_sclk_params(struct pp_hwmgr *hwmgr,
uint32_t clock, SMU_SclkSetting *sclk_setting)
{
const struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
const SMU74_Discrete_DpmTable *table = &(data->smc_state_table);
struct pp_atomctrl_clock_dividers_ai dividers;
uint32_t ref_clock;
uint32_t pcc_target_percent, pcc_target_freq, ss_target_percent, ss_target_freq;
uint8_t i;
int result;
uint64_t temp;
sclk_setting->SclkFrequency = clock;
/* get the engine clock dividers for this clock value */
result = atomctrl_get_engine_pll_dividers_ai(hwmgr, clock, &dividers);
if (result == 0) {
sclk_setting->Fcw_int = dividers.usSclk_fcw_int;
sclk_setting->Fcw_frac = dividers.usSclk_fcw_frac;
sclk_setting->Pcc_fcw_int = dividers.usPcc_fcw_int;
sclk_setting->PllRange = dividers.ucSclkPllRange;
sclk_setting->Sclk_slew_rate = 0x400;
sclk_setting->Pcc_up_slew_rate = dividers.usPcc_fcw_slew_frac;
sclk_setting->Pcc_down_slew_rate = 0xffff;
sclk_setting->SSc_En = dividers.ucSscEnable;
sclk_setting->Fcw1_int = dividers.usSsc_fcw1_int;
sclk_setting->Fcw1_frac = dividers.usSsc_fcw1_frac;
sclk_setting->Sclk_ss_slew_rate = dividers.usSsc_fcw_slew_frac;
return result;
}
ref_clock = polaris10_get_xclk(hwmgr);
for (i = 0; i < NUM_SCLK_RANGE; i++) {
if (clock > data->range_table[i].trans_lower_frequency
&& clock <= data->range_table[i].trans_upper_frequency) {
sclk_setting->PllRange = i;
break;
}
}
sclk_setting->Fcw_int = (uint16_t)((clock << table->SclkFcwRangeTable[sclk_setting->PllRange].postdiv) / ref_clock);
temp = clock << table->SclkFcwRangeTable[sclk_setting->PllRange].postdiv;
temp <<= 0x10;
do_div(temp, ref_clock);
sclk_setting->Fcw_frac = temp & 0xffff;
pcc_target_percent = 10; /* Hardcode 10% for now. */
pcc_target_freq = clock - (clock * pcc_target_percent / 100);
sclk_setting->Pcc_fcw_int = (uint16_t)((pcc_target_freq << table->SclkFcwRangeTable[sclk_setting->PllRange].postdiv) / ref_clock);
ss_target_percent = 2; /* Hardcode 2% for now. */
sclk_setting->SSc_En = 0;
if (ss_target_percent) {
sclk_setting->SSc_En = 1;
ss_target_freq = clock - (clock * ss_target_percent / 100);
sclk_setting->Fcw1_int = (uint16_t)((ss_target_freq << table->SclkFcwRangeTable[sclk_setting->PllRange].postdiv) / ref_clock);
temp = ss_target_freq << table->SclkFcwRangeTable[sclk_setting->PllRange].postdiv;
temp <<= 0x10;
do_div(temp, ref_clock);
sclk_setting->Fcw1_frac = temp & 0xffff;
}
return 0;
}
static int polaris10_get_dependency_volt_by_clk(struct pp_hwmgr *hwmgr,
struct phm_ppt_v1_clock_voltage_dependency_table *dep_table,
uint32_t clock, SMU_VoltageLevel *voltage, uint32_t *mvdd)
{
uint32_t i;
uint16_t vddci;
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
*voltage = *mvdd = 0;
/* clock - voltage dependency table is empty table */
if (dep_table->count == 0)
return -EINVAL;
for (i = 0; i < dep_table->count; i++) {
/* find first sclk bigger than request */
if (dep_table->entries[i].clk >= clock) {
*voltage |= (dep_table->entries[i].vddc *
VOLTAGE_SCALE) << VDDC_SHIFT;
if (POLARIS10_VOLTAGE_CONTROL_NONE == data->vddci_control)
*voltage |= (data->vbios_boot_state.vddci_bootup_value *
VOLTAGE_SCALE) << VDDCI_SHIFT;
else if (dep_table->entries[i].vddci)
*voltage |= (dep_table->entries[i].vddci *
VOLTAGE_SCALE) << VDDCI_SHIFT;
else {
vddci = phm_find_closest_vddci(&(data->vddci_voltage_table),
(dep_table->entries[i].vddc -
(uint16_t)data->vddc_vddci_delta));
*voltage |= (vddci * VOLTAGE_SCALE) << VDDCI_SHIFT;
}
if (POLARIS10_VOLTAGE_CONTROL_NONE == data->mvdd_control)
*mvdd = data->vbios_boot_state.mvdd_bootup_value *
VOLTAGE_SCALE;
else if (dep_table->entries[i].mvdd)
*mvdd = (uint32_t) dep_table->entries[i].mvdd *
VOLTAGE_SCALE;
*voltage |= 1 << PHASES_SHIFT;
return 0;
}
}
/* sclk is bigger than max sclk in the dependence table */
*voltage |= (dep_table->entries[i - 1].vddc * VOLTAGE_SCALE) << VDDC_SHIFT;
if (POLARIS10_VOLTAGE_CONTROL_NONE == data->vddci_control)
*voltage |= (data->vbios_boot_state.vddci_bootup_value *
VOLTAGE_SCALE) << VDDCI_SHIFT;
else if (dep_table->entries[i-1].vddci) {
vddci = phm_find_closest_vddci(&(data->vddci_voltage_table),
(dep_table->entries[i].vddc -
(uint16_t)data->vddc_vddci_delta));
*voltage |= (vddci * VOLTAGE_SCALE) << VDDCI_SHIFT;
}
if (POLARIS10_VOLTAGE_CONTROL_NONE == data->mvdd_control)
*mvdd = data->vbios_boot_state.mvdd_bootup_value * VOLTAGE_SCALE;
else if (dep_table->entries[i].mvdd)
*mvdd = (uint32_t) dep_table->entries[i - 1].mvdd * VOLTAGE_SCALE;
return 0;
}
static const sclkFcwRange_t Range_Table[NUM_SCLK_RANGE] =
{ {VCO_2_4, POSTDIV_DIV_BY_16, 75, 160, 112},
{VCO_3_6, POSTDIV_DIV_BY_16, 112, 224, 160},
{VCO_2_4, POSTDIV_DIV_BY_8, 75, 160, 112},
{VCO_3_6, POSTDIV_DIV_BY_8, 112, 224, 160},
{VCO_2_4, POSTDIV_DIV_BY_4, 75, 160, 112},
{VCO_3_6, POSTDIV_DIV_BY_4, 112, 216, 160},
{VCO_2_4, POSTDIV_DIV_BY_2, 75, 160, 108},
{VCO_3_6, POSTDIV_DIV_BY_2, 112, 216, 160} };
static void polaris10_get_sclk_range_table(struct pp_hwmgr *hwmgr)
{
uint32_t i, ref_clk;
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
SMU74_Discrete_DpmTable *table = &(data->smc_state_table);
struct pp_atom_ctrl_sclk_range_table range_table_from_vbios = { { {0} } };
ref_clk = polaris10_get_xclk(hwmgr);
if (0 == atomctrl_get_smc_sclk_range_table(hwmgr, &range_table_from_vbios)) {
for (i = 0; i < NUM_SCLK_RANGE; i++) {
table->SclkFcwRangeTable[i].vco_setting = range_table_from_vbios.entry[i].ucVco_setting;
table->SclkFcwRangeTable[i].postdiv = range_table_from_vbios.entry[i].ucPostdiv;
table->SclkFcwRangeTable[i].fcw_pcc = range_table_from_vbios.entry[i].usFcw_pcc;
table->SclkFcwRangeTable[i].fcw_trans_upper = range_table_from_vbios.entry[i].usFcw_trans_upper;
table->SclkFcwRangeTable[i].fcw_trans_lower = range_table_from_vbios.entry[i].usRcw_trans_lower;
CONVERT_FROM_HOST_TO_SMC_US(table->SclkFcwRangeTable[i].fcw_pcc);
CONVERT_FROM_HOST_TO_SMC_US(table->SclkFcwRangeTable[i].fcw_trans_upper);
CONVERT_FROM_HOST_TO_SMC_US(table->SclkFcwRangeTable[i].fcw_trans_lower);
}
return;
}
for (i = 0; i < NUM_SCLK_RANGE; i++) {
data->range_table[i].trans_lower_frequency = (ref_clk * Range_Table[i].fcw_trans_lower) >> Range_Table[i].postdiv;
data->range_table[i].trans_upper_frequency = (ref_clk * Range_Table[i].fcw_trans_upper) >> Range_Table[i].postdiv;
table->SclkFcwRangeTable[i].vco_setting = Range_Table[i].vco_setting;
table->SclkFcwRangeTable[i].postdiv = Range_Table[i].postdiv;
table->SclkFcwRangeTable[i].fcw_pcc = Range_Table[i].fcw_pcc;
table->SclkFcwRangeTable[i].fcw_trans_upper = Range_Table[i].fcw_trans_upper;
table->SclkFcwRangeTable[i].fcw_trans_lower = Range_Table[i].fcw_trans_lower;
CONVERT_FROM_HOST_TO_SMC_US(table->SclkFcwRangeTable[i].fcw_pcc);
CONVERT_FROM_HOST_TO_SMC_US(table->SclkFcwRangeTable[i].fcw_trans_upper);
CONVERT_FROM_HOST_TO_SMC_US(table->SclkFcwRangeTable[i].fcw_trans_lower);
}
}
/**
* Populates single SMC SCLK structure using the provided engine clock
*
* @param hwmgr the address of the hardware manager
* @param clock the engine clock to use to populate the structure
* @param sclk the SMC SCLK structure to be populated
*/
static int polaris10_populate_single_graphic_level(struct pp_hwmgr *hwmgr,
uint32_t clock, uint16_t sclk_al_threshold,
struct SMU74_Discrete_GraphicsLevel *level)
{
int result, i, temp;
/* PP_Clocks minClocks; */
uint32_t mvdd;
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
struct phm_ppt_v1_information *table_info =
(struct phm_ppt_v1_information *)(hwmgr->pptable);
SMU_SclkSetting curr_sclk_setting = { 0 };
result = polaris10_calculate_sclk_params(hwmgr, clock, &curr_sclk_setting);
/* populate graphics levels */
result = polaris10_get_dependency_volt_by_clk(hwmgr,
table_info->vdd_dep_on_sclk, clock,
&level->MinVoltage, &mvdd);
PP_ASSERT_WITH_CODE((0 == result),
"can not find VDDC voltage value for "
"VDDC engine clock dependency table",
return result);
level->ActivityLevel = sclk_al_threshold;
level->CcPwrDynRm = 0;
level->CcPwrDynRm1 = 0;
level->EnabledForActivity = 0;
level->EnabledForThrottle = 1;
level->UpHyst = 10;
level->DownHyst = 0;
level->VoltageDownHyst = 0;
level->PowerThrottle = 0;
/*
* TODO: get minimum clocks from dal configaration
* PECI_GetMinClockSettings(hwmgr->pPECI, &minClocks);
*/
/* data->DisplayTiming.minClockInSR = minClocks.engineClockInSR; */
/* get level->DeepSleepDivId
if (phm_cap_enabled(hwmgr->platformDescriptor.platformCaps, PHM_PlatformCaps_SclkDeepSleep))
level->DeepSleepDivId = PhwFiji_GetSleepDividerIdFromClock(hwmgr, clock, minClocks.engineClockInSR);
*/
PP_ASSERT_WITH_CODE((clock >= POLARIS10_MINIMUM_ENGINE_CLOCK), "Engine clock can't satisfy stutter requirement!", return 0);
for (i = POLARIS10_MAX_DEEPSLEEP_DIVIDER_ID; ; i--) {
temp = clock >> i;
if (temp >= POLARIS10_MINIMUM_ENGINE_CLOCK || i == 0)
break;
}
level->DeepSleepDivId = i;
/* Default to slow, highest DPM level will be
* set to PPSMC_DISPLAY_WATERMARK_LOW later.
*/
if (data->update_up_hyst)
level->UpHyst = (uint8_t)data->up_hyst;
if (data->update_down_hyst)
level->DownHyst = (uint8_t)data->down_hyst;
level->SclkSetting = curr_sclk_setting;
CONVERT_FROM_HOST_TO_SMC_UL(level->MinVoltage);
CONVERT_FROM_HOST_TO_SMC_UL(level->CcPwrDynRm);
CONVERT_FROM_HOST_TO_SMC_UL(level->CcPwrDynRm1);
CONVERT_FROM_HOST_TO_SMC_US(level->ActivityLevel);
CONVERT_FROM_HOST_TO_SMC_UL(level->SclkSetting.SclkFrequency);
CONVERT_FROM_HOST_TO_SMC_US(level->SclkSetting.Fcw_int);
CONVERT_FROM_HOST_TO_SMC_US(level->SclkSetting.Fcw_frac);
CONVERT_FROM_HOST_TO_SMC_US(level->SclkSetting.Pcc_fcw_int);
CONVERT_FROM_HOST_TO_SMC_US(level->SclkSetting.Sclk_slew_rate);
CONVERT_FROM_HOST_TO_SMC_US(level->SclkSetting.Pcc_up_slew_rate);
CONVERT_FROM_HOST_TO_SMC_US(level->SclkSetting.Pcc_down_slew_rate);
CONVERT_FROM_HOST_TO_SMC_US(level->SclkSetting.Fcw1_int);
CONVERT_FROM_HOST_TO_SMC_US(level->SclkSetting.Fcw1_frac);
CONVERT_FROM_HOST_TO_SMC_US(level->SclkSetting.Sclk_ss_slew_rate);
return 0;
}
/**
* Populates all SMC SCLK levels' structure based on the trimmed allowed dpm engine clock states
*
* @param hwmgr the address of the hardware manager
*/
static int polaris10_populate_all_graphic_levels(struct pp_hwmgr *hwmgr)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
struct polaris10_dpm_table *dpm_table = &data->dpm_table;
struct phm_ppt_v1_information *table_info =
(struct phm_ppt_v1_information *)(hwmgr->pptable);
struct phm_ppt_v1_pcie_table *pcie_table = table_info->pcie_table;
uint8_t pcie_entry_cnt = (uint8_t) data->dpm_table.pcie_speed_table.count;
int result = 0;
uint32_t array = data->dpm_table_start +
offsetof(SMU74_Discrete_DpmTable, GraphicsLevel);
uint32_t array_size = sizeof(struct SMU74_Discrete_GraphicsLevel) *
SMU74_MAX_LEVELS_GRAPHICS;
struct SMU74_Discrete_GraphicsLevel *levels =
data->smc_state_table.GraphicsLevel;
uint32_t i, max_entry;
uint8_t hightest_pcie_level_enabled = 0,
lowest_pcie_level_enabled = 0,
mid_pcie_level_enabled = 0,
count = 0;
polaris10_get_sclk_range_table(hwmgr);
for (i = 0; i < dpm_table->sclk_table.count; i++) {
result = polaris10_populate_single_graphic_level(hwmgr,
dpm_table->sclk_table.dpm_levels[i].value,
(uint16_t)data->activity_target[i],
&(data->smc_state_table.GraphicsLevel[i]));
if (result)
return result;
/* Making sure only DPM level 0-1 have Deep Sleep Div ID populated. */
if (i > 1)
levels[i].DeepSleepDivId = 0;
}
if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_SPLLShutdownSupport))
data->smc_state_table.GraphicsLevel[0].SclkSetting.SSc_En = 0;
data->smc_state_table.GraphicsLevel[0].EnabledForActivity = 1;
data->smc_state_table.GraphicsDpmLevelCount =
(uint8_t)dpm_table->sclk_table.count;
data->dpm_level_enable_mask.sclk_dpm_enable_mask =
phm_get_dpm_level_enable_mask_value(&dpm_table->sclk_table);
if (pcie_table != NULL) {
PP_ASSERT_WITH_CODE((1 <= pcie_entry_cnt),
"There must be 1 or more PCIE levels defined in PPTable.",
return -EINVAL);
max_entry = pcie_entry_cnt - 1;
for (i = 0; i < dpm_table->sclk_table.count; i++)
levels[i].pcieDpmLevel =
(uint8_t) ((i < max_entry) ? i : max_entry);
} else {
while (data->dpm_level_enable_mask.pcie_dpm_enable_mask &&
((data->dpm_level_enable_mask.pcie_dpm_enable_mask &
(1 << (hightest_pcie_level_enabled + 1))) != 0))
hightest_pcie_level_enabled++;
while (data->dpm_level_enable_mask.pcie_dpm_enable_mask &&
((data->dpm_level_enable_mask.pcie_dpm_enable_mask &
(1 << lowest_pcie_level_enabled)) == 0))
lowest_pcie_level_enabled++;
while ((count < hightest_pcie_level_enabled) &&
((data->dpm_level_enable_mask.pcie_dpm_enable_mask &
(1 << (lowest_pcie_level_enabled + 1 + count))) == 0))
count++;
mid_pcie_level_enabled = (lowest_pcie_level_enabled + 1 + count) <
hightest_pcie_level_enabled ?
(lowest_pcie_level_enabled + 1 + count) :
hightest_pcie_level_enabled;
/* set pcieDpmLevel to hightest_pcie_level_enabled */
for (i = 2; i < dpm_table->sclk_table.count; i++)
levels[i].pcieDpmLevel = hightest_pcie_level_enabled;
/* set pcieDpmLevel to lowest_pcie_level_enabled */
levels[0].pcieDpmLevel = lowest_pcie_level_enabled;
/* set pcieDpmLevel to mid_pcie_level_enabled */
levels[1].pcieDpmLevel = mid_pcie_level_enabled;
}
/* level count will send to smc once at init smc table and never change */
result = polaris10_copy_bytes_to_smc(hwmgr->smumgr, array, (uint8_t *)levels,
(uint32_t)array_size, data->sram_end);
return result;
}
static int polaris10_populate_single_memory_level(struct pp_hwmgr *hwmgr,
uint32_t clock, struct SMU74_Discrete_MemoryLevel *mem_level)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
struct phm_ppt_v1_information *table_info =
(struct phm_ppt_v1_information *)(hwmgr->pptable);
int result = 0;
struct cgs_display_info info = {0, 0, NULL};
cgs_get_active_displays_info(hwmgr->device, &info);
if (table_info->vdd_dep_on_mclk) {
result = polaris10_get_dependency_volt_by_clk(hwmgr,
table_info->vdd_dep_on_mclk, clock,
&mem_level->MinVoltage, &mem_level->MinMvdd);
PP_ASSERT_WITH_CODE((0 == result),
"can not find MinVddc voltage value from memory "
"VDDC voltage dependency table", return result);
}
mem_level->MclkFrequency = clock;
mem_level->EnabledForThrottle = 1;
mem_level->EnabledForActivity = 0;
mem_level->UpHyst = 0;
mem_level->DownHyst = 100;
mem_level->VoltageDownHyst = 0;
mem_level->ActivityLevel = (uint16_t)data->mclk_activity_target;
mem_level->StutterEnable = false;
mem_level->DisplayWatermark = PPSMC_DISPLAY_WATERMARK_LOW;
data->display_timing.num_existing_displays = info.display_count;
if ((data->mclk_stutter_mode_threshold) &&
(clock <= data->mclk_stutter_mode_threshold) &&
(PHM_READ_FIELD(hwmgr->device, DPG_PIPE_STUTTER_CONTROL,
STUTTER_ENABLE) & 0x1))
mem_level->StutterEnable = true;
if (!result) {
CONVERT_FROM_HOST_TO_SMC_UL(mem_level->MinMvdd);
CONVERT_FROM_HOST_TO_SMC_UL(mem_level->MclkFrequency);
CONVERT_FROM_HOST_TO_SMC_US(mem_level->ActivityLevel);
CONVERT_FROM_HOST_TO_SMC_UL(mem_level->MinVoltage);
}
return result;
}
/**
* Populates all SMC MCLK levels' structure based on the trimmed allowed dpm memory clock states
*
* @param hwmgr the address of the hardware manager
*/
static int polaris10_populate_all_memory_levels(struct pp_hwmgr *hwmgr)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
struct polaris10_dpm_table *dpm_table = &data->dpm_table;
int result;
/* populate MCLK dpm table to SMU7 */
uint32_t array = data->dpm_table_start +
offsetof(SMU74_Discrete_DpmTable, MemoryLevel);
uint32_t array_size = sizeof(SMU74_Discrete_MemoryLevel) *
SMU74_MAX_LEVELS_MEMORY;
struct SMU74_Discrete_MemoryLevel *levels =
data->smc_state_table.MemoryLevel;
uint32_t i;
for (i = 0; i < dpm_table->mclk_table.count; i++) {
PP_ASSERT_WITH_CODE((0 != dpm_table->mclk_table.dpm_levels[i].value),
"can not populate memory level as memory clock is zero",
return -EINVAL);
result = polaris10_populate_single_memory_level(hwmgr,
dpm_table->mclk_table.dpm_levels[i].value,
&levels[i]);
if (i == dpm_table->mclk_table.count - 1) {
levels[i].DisplayWatermark = PPSMC_DISPLAY_WATERMARK_HIGH;
levels[i].EnabledForActivity = 1;
}
if (result)
return result;
}
/* in order to prevent MC activity from stutter mode to push DPM up.
* the UVD change complements this by putting the MCLK in
* a higher state by default such that we are not effected by
* up threshold or and MCLK DPM latency.
*/
levels[0].ActivityLevel = 0x1f;
CONVERT_FROM_HOST_TO_SMC_US(levels[0].ActivityLevel);
data->smc_state_table.MemoryDpmLevelCount =
(uint8_t)dpm_table->mclk_table.count;
data->dpm_level_enable_mask.mclk_dpm_enable_mask =
phm_get_dpm_level_enable_mask_value(&dpm_table->mclk_table);
/* level count will send to smc once at init smc table and never change */
result = polaris10_copy_bytes_to_smc(hwmgr->smumgr, array, (uint8_t *)levels,
(uint32_t)array_size, data->sram_end);
return result;
}
/**
* Populates the SMC MVDD structure using the provided memory clock.
*
* @param hwmgr the address of the hardware manager
* @param mclk the MCLK value to be used in the decision if MVDD should be high or low.
* @param voltage the SMC VOLTAGE structure to be populated
*/
int polaris10_populate_mvdd_value(struct pp_hwmgr *hwmgr,
uint32_t mclk, SMIO_Pattern *smio_pat)
{
const struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
struct phm_ppt_v1_information *table_info =
(struct phm_ppt_v1_information *)(hwmgr->pptable);
uint32_t i = 0;
if (POLARIS10_VOLTAGE_CONTROL_NONE != data->mvdd_control) {
/* find mvdd value which clock is more than request */
for (i = 0; i < table_info->vdd_dep_on_mclk->count; i++) {
if (mclk <= table_info->vdd_dep_on_mclk->entries[i].clk) {
smio_pat->Voltage = data->mvdd_voltage_table.entries[i].value;
break;
}
}
PP_ASSERT_WITH_CODE(i < table_info->vdd_dep_on_mclk->count,
"MVDD Voltage is outside the supported range.",
return -EINVAL);
} else
return -EINVAL;
return 0;
}
static int polaris10_populate_smc_acpi_level(struct pp_hwmgr *hwmgr,
SMU74_Discrete_DpmTable *table)
{
int result = 0;
uint32_t sclk_frequency;
const struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
struct phm_ppt_v1_information *table_info =
(struct phm_ppt_v1_information *)(hwmgr->pptable);
SMIO_Pattern vol_level;
uint32_t mvdd;
uint16_t us_mvdd;
table->ACPILevel.Flags &= ~PPSMC_SWSTATE_FLAG_DC;
/* Get MinVoltage and Frequency from DPM0,
* already converted to SMC_UL */
sclk_frequency = data->dpm_table.sclk_table.dpm_levels[0].value;
result = polaris10_get_dependency_volt_by_clk(hwmgr,
table_info->vdd_dep_on_sclk,
sclk_frequency,
&table->ACPILevel.MinVoltage, &mvdd);
PP_ASSERT_WITH_CODE((0 == result),
"Cannot find ACPI VDDC voltage value "
"in Clock Dependency Table",
);
result = polaris10_calculate_sclk_params(hwmgr, sclk_frequency, &(table->ACPILevel.SclkSetting));
PP_ASSERT_WITH_CODE(result == 0, "Error retrieving Engine Clock dividers from VBIOS.", return result);
table->ACPILevel.DeepSleepDivId = 0;
table->ACPILevel.CcPwrDynRm = 0;
table->ACPILevel.CcPwrDynRm1 = 0;
CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.Flags);
CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.MinVoltage);
CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CcPwrDynRm);
CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CcPwrDynRm1);
CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.SclkSetting.SclkFrequency);
CONVERT_FROM_HOST_TO_SMC_US(table->ACPILevel.SclkSetting.Fcw_int);
CONVERT_FROM_HOST_TO_SMC_US(table->ACPILevel.SclkSetting.Fcw_frac);
CONVERT_FROM_HOST_TO_SMC_US(table->ACPILevel.SclkSetting.Pcc_fcw_int);
CONVERT_FROM_HOST_TO_SMC_US(table->ACPILevel.SclkSetting.Sclk_slew_rate);
CONVERT_FROM_HOST_TO_SMC_US(table->ACPILevel.SclkSetting.Pcc_up_slew_rate);
CONVERT_FROM_HOST_TO_SMC_US(table->ACPILevel.SclkSetting.Pcc_down_slew_rate);
CONVERT_FROM_HOST_TO_SMC_US(table->ACPILevel.SclkSetting.Fcw1_int);
CONVERT_FROM_HOST_TO_SMC_US(table->ACPILevel.SclkSetting.Fcw1_frac);
CONVERT_FROM_HOST_TO_SMC_US(table->ACPILevel.SclkSetting.Sclk_ss_slew_rate);
/* Get MinVoltage and Frequency from DPM0, already converted to SMC_UL */
table->MemoryACPILevel.MclkFrequency =
data->dpm_table.mclk_table.dpm_levels[0].value;
result = polaris10_get_dependency_volt_by_clk(hwmgr,
table_info->vdd_dep_on_mclk,
table->MemoryACPILevel.MclkFrequency,
&table->MemoryACPILevel.MinVoltage, &mvdd);
PP_ASSERT_WITH_CODE((0 == result),
"Cannot find ACPI VDDCI voltage value "
"in Clock Dependency Table",
);
us_mvdd = 0;
if ((POLARIS10_VOLTAGE_CONTROL_NONE == data->mvdd_control) ||
(data->mclk_dpm_key_disabled))
us_mvdd = data->vbios_boot_state.mvdd_bootup_value;
else {
if (!polaris10_populate_mvdd_value(hwmgr,
data->dpm_table.mclk_table.dpm_levels[0].value,
&vol_level))
us_mvdd = vol_level.Voltage;
}
if (0 == polaris10_populate_mvdd_value(hwmgr, 0, &vol_level))
table->MemoryACPILevel.MinMvdd = PP_HOST_TO_SMC_UL(vol_level.Voltage);
else
table->MemoryACPILevel.MinMvdd = 0;
table->MemoryACPILevel.StutterEnable = false;
table->MemoryACPILevel.EnabledForThrottle = 0;
table->MemoryACPILevel.EnabledForActivity = 0;
table->MemoryACPILevel.UpHyst = 0;
table->MemoryACPILevel.DownHyst = 100;
table->MemoryACPILevel.VoltageDownHyst = 0;
table->MemoryACPILevel.ActivityLevel =
PP_HOST_TO_SMC_US((uint16_t)data->mclk_activity_target);
CONVERT_FROM_HOST_TO_SMC_UL(table->MemoryACPILevel.MclkFrequency);
CONVERT_FROM_HOST_TO_SMC_UL(table->MemoryACPILevel.MinVoltage);
return result;
}
static int polaris10_populate_smc_vce_level(struct pp_hwmgr *hwmgr,
SMU74_Discrete_DpmTable *table)
{
int result = -EINVAL;
uint8_t count;
struct pp_atomctrl_clock_dividers_vi dividers;
struct phm_ppt_v1_information *table_info =
(struct phm_ppt_v1_information *)(hwmgr->pptable);
struct phm_ppt_v1_mm_clock_voltage_dependency_table *mm_table =
table_info->mm_dep_table;
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
uint32_t vddci;
table->VceLevelCount = (uint8_t)(mm_table->count);
table->VceBootLevel = 0;
for (count = 0; count < table->VceLevelCount; count++) {
table->VceLevel[count].Frequency = mm_table->entries[count].eclk;
table->VceLevel[count].MinVoltage = 0;
table->VceLevel[count].MinVoltage |=
(mm_table->entries[count].vddc * VOLTAGE_SCALE) << VDDC_SHIFT;
if (POLARIS10_VOLTAGE_CONTROL_BY_GPIO == data->vddci_control)
vddci = (uint32_t)phm_find_closest_vddci(&(data->vddci_voltage_table),
mm_table->entries[count].vddc - VDDC_VDDCI_DELTA);
else if (POLARIS10_VOLTAGE_CONTROL_BY_SVID2 == data->vddci_control)
vddci = mm_table->entries[count].vddc - VDDC_VDDCI_DELTA;
else
vddci = (data->vbios_boot_state.vddci_bootup_value * VOLTAGE_SCALE) << VDDCI_SHIFT;
table->VceLevel[count].MinVoltage |=
(vddci * VOLTAGE_SCALE) << VDDCI_SHIFT;
table->VceLevel[count].MinVoltage |= 1 << PHASES_SHIFT;
/*retrieve divider value for VBIOS */
result = atomctrl_get_dfs_pll_dividers_vi(hwmgr,
table->VceLevel[count].Frequency, &dividers);
PP_ASSERT_WITH_CODE((0 == result),
"can not find divide id for VCE engine clock",
return result);
table->VceLevel[count].Divider = (uint8_t)dividers.pll_post_divider;
CONVERT_FROM_HOST_TO_SMC_UL(table->VceLevel[count].Frequency);
CONVERT_FROM_HOST_TO_SMC_UL(table->VceLevel[count].MinVoltage);
}
return result;
}
static int polaris10_populate_smc_samu_level(struct pp_hwmgr *hwmgr,
SMU74_Discrete_DpmTable *table)
{
int result = -EINVAL;
uint8_t count;
struct pp_atomctrl_clock_dividers_vi dividers;
struct phm_ppt_v1_information *table_info =
(struct phm_ppt_v1_information *)(hwmgr->pptable);
struct phm_ppt_v1_mm_clock_voltage_dependency_table *mm_table =
table_info->mm_dep_table;
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
uint32_t vddci;
table->SamuBootLevel = 0;
table->SamuLevelCount = (uint8_t)(mm_table->count);
for (count = 0; count < table->SamuLevelCount; count++) {
/* not sure whether we need evclk or not */
table->SamuLevel[count].MinVoltage = 0;
table->SamuLevel[count].Frequency = mm_table->entries[count].samclock;
table->SamuLevel[count].MinVoltage |= (mm_table->entries[count].vddc *
VOLTAGE_SCALE) << VDDC_SHIFT;
if (POLARIS10_VOLTAGE_CONTROL_BY_GPIO == data->vddci_control)
vddci = (uint32_t)phm_find_closest_vddci(&(data->vddci_voltage_table),
mm_table->entries[count].vddc - VDDC_VDDCI_DELTA);
else if (POLARIS10_VOLTAGE_CONTROL_BY_SVID2 == data->vddci_control)
vddci = mm_table->entries[count].vddc - VDDC_VDDCI_DELTA;
else
vddci = (data->vbios_boot_state.vddci_bootup_value * VOLTAGE_SCALE) << VDDCI_SHIFT;
table->SamuLevel[count].MinVoltage |= (vddci * VOLTAGE_SCALE) << VDDCI_SHIFT;
table->SamuLevel[count].MinVoltage |= 1 << PHASES_SHIFT;
/* retrieve divider value for VBIOS */
result = atomctrl_get_dfs_pll_dividers_vi(hwmgr,
table->SamuLevel[count].Frequency, &dividers);
PP_ASSERT_WITH_CODE((0 == result),
"can not find divide id for samu clock", return result);
table->SamuLevel[count].Divider = (uint8_t)dividers.pll_post_divider;
CONVERT_FROM_HOST_TO_SMC_UL(table->SamuLevel[count].Frequency);
CONVERT_FROM_HOST_TO_SMC_UL(table->SamuLevel[count].MinVoltage);
}
return result;
}
static int polaris10_populate_memory_timing_parameters(struct pp_hwmgr *hwmgr,
int32_t eng_clock, int32_t mem_clock,
SMU74_Discrete_MCArbDramTimingTableEntry *arb_regs)
{
uint32_t dram_timing;
uint32_t dram_timing2;
uint32_t burst_time;
int result;
result = atomctrl_set_engine_dram_timings_rv770(hwmgr,
eng_clock, mem_clock);
PP_ASSERT_WITH_CODE(result == 0,
"Error calling VBIOS to set DRAM_TIMING.", return result);
dram_timing = cgs_read_register(hwmgr->device, mmMC_ARB_DRAM_TIMING);
dram_timing2 = cgs_read_register(hwmgr->device, mmMC_ARB_DRAM_TIMING2);
burst_time = PHM_READ_FIELD(hwmgr->device, MC_ARB_BURST_TIME, STATE0);
arb_regs->McArbDramTiming = PP_HOST_TO_SMC_UL(dram_timing);
arb_regs->McArbDramTiming2 = PP_HOST_TO_SMC_UL(dram_timing2);
arb_regs->McArbBurstTime = (uint8_t)burst_time;
return 0;
}
static int polaris10_program_memory_timing_parameters(struct pp_hwmgr *hwmgr)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
struct SMU74_Discrete_MCArbDramTimingTable arb_regs;
uint32_t i, j;
int result = 0;
for (i = 0; i < data->dpm_table.sclk_table.count; i++) {
for (j = 0; j < data->dpm_table.mclk_table.count; j++) {
result = polaris10_populate_memory_timing_parameters(hwmgr,
data->dpm_table.sclk_table.dpm_levels[i].value,
data->dpm_table.mclk_table.dpm_levels[j].value,
&arb_regs.entries[i][j]);
if (result == 0)
result = atomctrl_set_ac_timing_ai(hwmgr, data->dpm_table.mclk_table.dpm_levels[j].value, j);
if (result != 0)
return result;
}
}
result = polaris10_copy_bytes_to_smc(
hwmgr->smumgr,
data->arb_table_start,
(uint8_t *)&arb_regs,
sizeof(SMU74_Discrete_MCArbDramTimingTable),
data->sram_end);
return result;
}
static int polaris10_populate_smc_uvd_level(struct pp_hwmgr *hwmgr,
struct SMU74_Discrete_DpmTable *table)
{
int result = -EINVAL;
uint8_t count;
struct pp_atomctrl_clock_dividers_vi dividers;
struct phm_ppt_v1_information *table_info =
(struct phm_ppt_v1_information *)(hwmgr->pptable);
struct phm_ppt_v1_mm_clock_voltage_dependency_table *mm_table =
table_info->mm_dep_table;
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
uint32_t vddci;
table->UvdLevelCount = (uint8_t)(mm_table->count);
table->UvdBootLevel = 0;
for (count = 0; count < table->UvdLevelCount; count++) {
table->UvdLevel[count].MinVoltage = 0;
table->UvdLevel[count].VclkFrequency = mm_table->entries[count].vclk;
table->UvdLevel[count].DclkFrequency = mm_table->entries[count].dclk;
table->UvdLevel[count].MinVoltage |= (mm_table->entries[count].vddc *
VOLTAGE_SCALE) << VDDC_SHIFT;
if (POLARIS10_VOLTAGE_CONTROL_BY_GPIO == data->vddci_control)
vddci = (uint32_t)phm_find_closest_vddci(&(data->vddci_voltage_table),
mm_table->entries[count].vddc - VDDC_VDDCI_DELTA);
else if (POLARIS10_VOLTAGE_CONTROL_BY_SVID2 == data->vddci_control)
vddci = mm_table->entries[count].vddc - VDDC_VDDCI_DELTA;
else
vddci = (data->vbios_boot_state.vddci_bootup_value * VOLTAGE_SCALE) << VDDCI_SHIFT;
table->UvdLevel[count].MinVoltage |= (vddci * VOLTAGE_SCALE) << VDDCI_SHIFT;
table->UvdLevel[count].MinVoltage |= 1 << PHASES_SHIFT;
/* retrieve divider value for VBIOS */
result = atomctrl_get_dfs_pll_dividers_vi(hwmgr,
table->UvdLevel[count].VclkFrequency, &dividers);
PP_ASSERT_WITH_CODE((0 == result),
"can not find divide id for Vclk clock", return result);
table->UvdLevel[count].VclkDivider = (uint8_t)dividers.pll_post_divider;
result = atomctrl_get_dfs_pll_dividers_vi(hwmgr,
table->UvdLevel[count].DclkFrequency, &dividers);
PP_ASSERT_WITH_CODE((0 == result),
"can not find divide id for Dclk clock", return result);
table->UvdLevel[count].DclkDivider = (uint8_t)dividers.pll_post_divider;
CONVERT_FROM_HOST_TO_SMC_UL(table->UvdLevel[count].VclkFrequency);
CONVERT_FROM_HOST_TO_SMC_UL(table->UvdLevel[count].DclkFrequency);
CONVERT_FROM_HOST_TO_SMC_UL(table->UvdLevel[count].MinVoltage);
}
return result;
}
static int polaris10_populate_smc_boot_level(struct pp_hwmgr *hwmgr,
struct SMU74_Discrete_DpmTable *table)
{
int result = 0;
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
table->GraphicsBootLevel = 0;
table->MemoryBootLevel = 0;
/* find boot level from dpm table */
result = phm_find_boot_level(&(data->dpm_table.sclk_table),
data->vbios_boot_state.sclk_bootup_value,
(uint32_t *)&(table->GraphicsBootLevel));
result = phm_find_boot_level(&(data->dpm_table.mclk_table),
data->vbios_boot_state.mclk_bootup_value,
(uint32_t *)&(table->MemoryBootLevel));
table->BootVddc = data->vbios_boot_state.vddc_bootup_value *
VOLTAGE_SCALE;
table->BootVddci = data->vbios_boot_state.vddci_bootup_value *
VOLTAGE_SCALE;
table->BootMVdd = data->vbios_boot_state.mvdd_bootup_value *
VOLTAGE_SCALE;
CONVERT_FROM_HOST_TO_SMC_US(table->BootVddc);
CONVERT_FROM_HOST_TO_SMC_US(table->BootVddci);
CONVERT_FROM_HOST_TO_SMC_US(table->BootMVdd);
return 0;
}
static int polaris10_populate_smc_initailial_state(struct pp_hwmgr *hwmgr)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
struct phm_ppt_v1_information *table_info =
(struct phm_ppt_v1_information *)(hwmgr->pptable);
uint8_t count, level;
count = (uint8_t)(table_info->vdd_dep_on_sclk->count);
for (level = 0; level < count; level++) {
if (table_info->vdd_dep_on_sclk->entries[level].clk >=
data->vbios_boot_state.sclk_bootup_value) {
data->smc_state_table.GraphicsBootLevel = level;
break;
}
}
count = (uint8_t)(table_info->vdd_dep_on_mclk->count);
for (level = 0; level < count; level++) {
if (table_info->vdd_dep_on_mclk->entries[level].clk >=
data->vbios_boot_state.mclk_bootup_value) {
data->smc_state_table.MemoryBootLevel = level;
break;
}
}
return 0;
}
static int polaris10_populate_clock_stretcher_data_table(struct pp_hwmgr *hwmgr)
{
uint32_t ro, efuse, volt_without_cks, volt_with_cks, value, max, min;
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
uint8_t i, stretch_amount, stretch_amount2, volt_offset = 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 =
table_info->vdd_dep_on_sclk;
stretch_amount = (uint8_t)table_info->cac_dtp_table->usClockStretchAmount;
/* Read SMU_Eefuse to read and calculate RO and determine
* if the part is SS or FF. if RO >= 1660MHz, part is FF.
*/
efuse = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC,
ixSMU_EFUSE_0 + (67 * 4));
efuse &= 0xFF000000;
efuse = efuse >> 24;
if (hwmgr->chip_id == CHIP_POLARIS10) {
min = 1000;
max = 2300;
} else {
min = 1100;
max = 2100;
}
ro = efuse * (max -min)/255 + min;
/* Populate Sclk_CKS_masterEn0_7 and Sclk_voltageOffset */
for (i = 0; i < sclk_table->count; i++) {
data->smc_state_table.Sclk_CKS_masterEn0_7 |=
sclk_table->entries[i].cks_enable << i;
if (hwmgr->chip_id == CHIP_POLARIS10) {
volt_without_cks = (uint32_t)((2753594000U + (sclk_table->entries[i].clk/100) * 136418 -(ro - 70) * 1000000) / \
(2424180 - (sclk_table->entries[i].clk/100) * 1132925/1000));
volt_with_cks = (uint32_t)((2797202000U + sclk_table->entries[i].clk/100 * 3232 - (ro - 65) * 1000000) / \
(2522480 - sclk_table->entries[i].clk/100 * 115764/100));
} else {
volt_without_cks = (uint32_t)((2416794800U + (sclk_table->entries[i].clk/100) * 1476925/10 -(ro - 50) * 1000000) / \
(2625416 - (sclk_table->entries[i].clk/100) * (12586807/10000)));
volt_with_cks = (uint32_t)((2999656000U - sclk_table->entries[i].clk/100 * 392803 - (ro - 44) * 1000000) / \
(3422454 - sclk_table->entries[i].clk/100 * (18886376/10000)));
}
if (volt_without_cks >= volt_with_cks)
volt_offset = (uint8_t)(((volt_without_cks - volt_with_cks +
sclk_table->entries[i].cks_voffset) * 100 + 624) / 625);
data->smc_state_table.Sclk_voltageOffset[i] = volt_offset;
}
data->smc_state_table.LdoRefSel = (table_info->cac_dtp_table->ucCKS_LDO_REFSEL != 0) ? table_info->cac_dtp_table->ucCKS_LDO_REFSEL : 6;
/* Populate CKS Lookup Table */
if (stretch_amount == 1 || stretch_amount == 2 || stretch_amount == 5)
stretch_amount2 = 0;
else if (stretch_amount == 3 || stretch_amount == 4)
stretch_amount2 = 1;
else {
phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_ClockStretcher);
PP_ASSERT_WITH_CODE(false,
"Stretch Amount in PPTable not supported\n",
return -EINVAL);
}
value = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixPWR_CKS_CNTL);
value &= 0xFFFFFFFE;
cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixPWR_CKS_CNTL, value);
return 0;
}
/**
* Populates the SMC VRConfig field in DPM table.
*
* @param hwmgr the address of the hardware manager
* @param table the SMC DPM table structure to be populated
* @return always 0
*/
static int polaris10_populate_vr_config(struct pp_hwmgr *hwmgr,
struct SMU74_Discrete_DpmTable *table)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
uint16_t config;
config = VR_MERGED_WITH_VDDC;
table->VRConfig |= (config << VRCONF_VDDGFX_SHIFT);
/* Set Vddc Voltage Controller */
if (POLARIS10_VOLTAGE_CONTROL_BY_SVID2 == data->voltage_control) {
config = VR_SVI2_PLANE_1;
table->VRConfig |= config;
} else {
PP_ASSERT_WITH_CODE(false,
"VDDC should be on SVI2 control in merged mode!",
);
}
/* Set Vddci Voltage Controller */
if (POLARIS10_VOLTAGE_CONTROL_BY_SVID2 == data->vddci_control) {
config = VR_SVI2_PLANE_2; /* only in merged mode */
table->VRConfig |= (config << VRCONF_VDDCI_SHIFT);
} else if (POLARIS10_VOLTAGE_CONTROL_BY_GPIO == data->vddci_control) {
config = VR_SMIO_PATTERN_1;
table->VRConfig |= (config << VRCONF_VDDCI_SHIFT);
} else {
config = VR_STATIC_VOLTAGE;
table->VRConfig |= (config << VRCONF_VDDCI_SHIFT);
}
/* Set Mvdd Voltage Controller */
if (POLARIS10_VOLTAGE_CONTROL_BY_SVID2 == data->mvdd_control) {
config = VR_SVI2_PLANE_2;
table->VRConfig |= (config << VRCONF_MVDD_SHIFT);
} else if (POLARIS10_VOLTAGE_CONTROL_BY_GPIO == data->mvdd_control) {
config = VR_SMIO_PATTERN_2;
table->VRConfig |= (config << VRCONF_MVDD_SHIFT);
} else {
config = VR_STATIC_VOLTAGE;
table->VRConfig |= (config << VRCONF_MVDD_SHIFT);
}
return 0;
}
int polaris10_populate_avfs_parameters(struct pp_hwmgr *hwmgr)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
SMU74_Discrete_DpmTable *table = &(data->smc_state_table);
int result = 0;
struct pp_atom_ctrl__avfs_parameters avfs_params = {0};
AVFS_meanNsigma_t AVFS_meanNsigma = { {0} };
AVFS_Sclk_Offset_t AVFS_SclkOffset = { {0} };
uint32_t tmp, i;
struct pp_smumgr *smumgr = hwmgr->smumgr;
struct polaris10_smumgr *smu_data = (struct polaris10_smumgr *)(smumgr->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;
if (smu_data->avfs.avfs_btc_status == AVFS_BTC_NOTSUPPORTED)
return result;
result = atomctrl_get_avfs_information(hwmgr, &avfs_params);
if (0 == result) {
table->BTCGB_VDROOP_TABLE[0].a0 = PP_HOST_TO_SMC_UL(avfs_params.ulGB_VDROOP_TABLE_CKSON_a0);
table->BTCGB_VDROOP_TABLE[0].a1 = PP_HOST_TO_SMC_UL(avfs_params.ulGB_VDROOP_TABLE_CKSON_a1);
table->BTCGB_VDROOP_TABLE[0].a2 = PP_HOST_TO_SMC_UL(avfs_params.ulGB_VDROOP_TABLE_CKSON_a2);
table->BTCGB_VDROOP_TABLE[1].a0 = PP_HOST_TO_SMC_UL(avfs_params.ulGB_VDROOP_TABLE_CKSOFF_a0);
table->BTCGB_VDROOP_TABLE[1].a1 = PP_HOST_TO_SMC_UL(avfs_params.ulGB_VDROOP_TABLE_CKSOFF_a1);
table->BTCGB_VDROOP_TABLE[1].a2 = PP_HOST_TO_SMC_UL(avfs_params.ulGB_VDROOP_TABLE_CKSOFF_a2);
table->AVFSGB_VDROOP_TABLE[0].m1 = PP_HOST_TO_SMC_UL(avfs_params.ulAVFSGB_FUSE_TABLE_CKSON_m1);
table->AVFSGB_VDROOP_TABLE[0].m2 = PP_HOST_TO_SMC_US(avfs_params.usAVFSGB_FUSE_TABLE_CKSON_m2);
table->AVFSGB_VDROOP_TABLE[0].b = PP_HOST_TO_SMC_UL(avfs_params.ulAVFSGB_FUSE_TABLE_CKSON_b);
table->AVFSGB_VDROOP_TABLE[0].m1_shift = 24;
table->AVFSGB_VDROOP_TABLE[0].m2_shift = 12;
table->AVFSGB_VDROOP_TABLE[1].m1 = PP_HOST_TO_SMC_UL(avfs_params.ulAVFSGB_FUSE_TABLE_CKSOFF_m1);
table->AVFSGB_VDROOP_TABLE[1].m2 = PP_HOST_TO_SMC_US(avfs_params.usAVFSGB_FUSE_TABLE_CKSOFF_m2);
table->AVFSGB_VDROOP_TABLE[1].b = PP_HOST_TO_SMC_UL(avfs_params.ulAVFSGB_FUSE_TABLE_CKSOFF_b);
table->AVFSGB_VDROOP_TABLE[1].m1_shift = 24;
table->AVFSGB_VDROOP_TABLE[1].m2_shift = 12;
table->MaxVoltage = PP_HOST_TO_SMC_US(avfs_params.usMaxVoltage_0_25mv);
AVFS_meanNsigma.Aconstant[0] = PP_HOST_TO_SMC_UL(avfs_params.ulAVFS_meanNsigma_Acontant0);
AVFS_meanNsigma.Aconstant[1] = PP_HOST_TO_SMC_UL(avfs_params.ulAVFS_meanNsigma_Acontant1);
AVFS_meanNsigma.Aconstant[2] = PP_HOST_TO_SMC_UL(avfs_params.ulAVFS_meanNsigma_Acontant2);
AVFS_meanNsigma.DC_tol_sigma = PP_HOST_TO_SMC_US(avfs_params.usAVFS_meanNsigma_DC_tol_sigma);
AVFS_meanNsigma.Platform_mean = PP_HOST_TO_SMC_US(avfs_params.usAVFS_meanNsigma_Platform_mean);
AVFS_meanNsigma.PSM_Age_CompFactor = PP_HOST_TO_SMC_US(avfs_params.usPSM_Age_ComFactor);
AVFS_meanNsigma.Platform_sigma = PP_HOST_TO_SMC_US(avfs_params.usAVFS_meanNsigma_Platform_sigma);
for (i = 0; i < NUM_VFT_COLUMNS; i++) {
AVFS_meanNsigma.Static_Voltage_Offset[i] = (uint8_t)(sclk_table->entries[i].cks_voffset * 100 / 625);
AVFS_SclkOffset.Sclk_Offset[i] = PP_HOST_TO_SMC_US((uint16_t)(sclk_table->entries[i].sclk_offset) / 100);
}
result = polaris10_read_smc_sram_dword(smumgr,
SMU7_FIRMWARE_HEADER_LOCATION + offsetof(SMU74_Firmware_Header, AvfsMeanNSigma),
&tmp, data->sram_end);
polaris10_copy_bytes_to_smc(smumgr,
tmp,
(uint8_t *)&AVFS_meanNsigma,
sizeof(AVFS_meanNsigma_t),
data->sram_end);
result = polaris10_read_smc_sram_dword(smumgr,
SMU7_FIRMWARE_HEADER_LOCATION + offsetof(SMU74_Firmware_Header, AvfsSclkOffsetTable),
&tmp, data->sram_end);
polaris10_copy_bytes_to_smc(smumgr,
tmp,
(uint8_t *)&AVFS_SclkOffset,
sizeof(AVFS_Sclk_Offset_t),
data->sram_end);
data->avfs_vdroop_override_setting = (avfs_params.ucEnableGB_VDROOP_TABLE_CKSON << BTCGB0_Vdroop_Enable_SHIFT) |
(avfs_params.ucEnableGB_VDROOP_TABLE_CKSOFF << BTCGB1_Vdroop_Enable_SHIFT) |
(avfs_params.ucEnableGB_FUSE_TABLE_CKSON << AVFSGB0_Vdroop_Enable_SHIFT) |
(avfs_params.ucEnableGB_FUSE_TABLE_CKSOFF << AVFSGB1_Vdroop_Enable_SHIFT);
data->apply_avfs_cks_off_voltage = (avfs_params.ucEnableApplyAVFS_CKS_OFF_Voltage == 1) ? true : false;
}
return result;
}
/**
* Initializes the SMC table and uploads it
*
* @param hwmgr the address of the powerplay hardware manager.
* @return always 0
*/
static int polaris10_init_smc_table(struct pp_hwmgr *hwmgr)
{
int result;
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
struct phm_ppt_v1_information *table_info =
(struct phm_ppt_v1_information *)(hwmgr->pptable);
struct SMU74_Discrete_DpmTable *table = &(data->smc_state_table);
const struct polaris10_ulv_parm *ulv = &(data->ulv);
uint8_t i;
struct pp_atomctrl_gpio_pin_assignment gpio_pin;
pp_atomctrl_clock_dividers_vi dividers;
result = polaris10_setup_default_dpm_tables(hwmgr);
PP_ASSERT_WITH_CODE(0 == result,
"Failed to setup default DPM tables!", return result);
if (POLARIS10_VOLTAGE_CONTROL_NONE != data->voltage_control)
polaris10_populate_smc_voltage_tables(hwmgr, table);
table->SystemFlags = 0;
if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_AutomaticDCTransition))
table->SystemFlags |= PPSMC_SYSTEMFLAG_GPIO_DC;
if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_StepVddc))
table->SystemFlags |= PPSMC_SYSTEMFLAG_STEPVDDC;
if (data->is_memory_gddr5)
table->SystemFlags |= PPSMC_SYSTEMFLAG_GDDR5;
if (ulv->ulv_supported && table_info->us_ulv_voltage_offset) {
result = polaris10_populate_ulv_state(hwmgr, table);
PP_ASSERT_WITH_CODE(0 == result,
"Failed to initialize ULV state!", return result);
cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
ixCG_ULV_PARAMETER, PPPOLARIS10_CGULVPARAMETER_DFLT);
}
result = polaris10_populate_smc_link_level(hwmgr, table);
PP_ASSERT_WITH_CODE(0 == result,
"Failed to initialize Link Level!", return result);
result = polaris10_populate_all_graphic_levels(hwmgr);
PP_ASSERT_WITH_CODE(0 == result,
"Failed to initialize Graphics Level!", return result);
result = polaris10_populate_all_memory_levels(hwmgr);
PP_ASSERT_WITH_CODE(0 == result,
"Failed to initialize Memory Level!", return result);
result = polaris10_populate_smc_acpi_level(hwmgr, table);
PP_ASSERT_WITH_CODE(0 == result,
"Failed to initialize ACPI Level!", return result);
result = polaris10_populate_smc_vce_level(hwmgr, table);
PP_ASSERT_WITH_CODE(0 == result,
"Failed to initialize VCE Level!", return result);
result = polaris10_populate_smc_samu_level(hwmgr, table);
PP_ASSERT_WITH_CODE(0 == result,
"Failed to initialize SAMU Level!", return result);
/* Since only the initial state is completely set up at this point
* (the other states are just copies of the boot state) we only
* need to populate the ARB settings for the initial state.
*/
result = polaris10_program_memory_timing_parameters(hwmgr);
PP_ASSERT_WITH_CODE(0 == result,
"Failed to Write ARB settings for the initial state.", return result);
result = polaris10_populate_smc_uvd_level(hwmgr, table);
PP_ASSERT_WITH_CODE(0 == result,
"Failed to initialize UVD Level!", return result);
result = polaris10_populate_smc_boot_level(hwmgr, table);
PP_ASSERT_WITH_CODE(0 == result,
"Failed to initialize Boot Level!", return result);
result = polaris10_populate_smc_initailial_state(hwmgr);
PP_ASSERT_WITH_CODE(0 == result,
"Failed to initialize Boot State!", return result);
result = polaris10_populate_bapm_parameters_in_dpm_table(hwmgr);
PP_ASSERT_WITH_CODE(0 == result,
"Failed to populate BAPM Parameters!", return result);
if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_ClockStretcher)) {
result = polaris10_populate_clock_stretcher_data_table(hwmgr);
PP_ASSERT_WITH_CODE(0 == result,
"Failed to populate Clock Stretcher Data Table!",
return result);
}
result = polaris10_populate_avfs_parameters(hwmgr);
PP_ASSERT_WITH_CODE(0 == result, "Failed to populate AVFS Parameters!", return result;);
table->CurrSclkPllRange = 0xff;
table->GraphicsVoltageChangeEnable = 1;
table->GraphicsThermThrottleEnable = 1;
table->GraphicsInterval = 1;
table->VoltageInterval = 1;
table->ThermalInterval = 1;
table->TemperatureLimitHigh =
table_info->cac_dtp_table->usTargetOperatingTemp *
POLARIS10_Q88_FORMAT_CONVERSION_UNIT;
table->TemperatureLimitLow =
(table_info->cac_dtp_table->usTargetOperatingTemp - 1) *
POLARIS10_Q88_FORMAT_CONVERSION_UNIT;
table->MemoryVoltageChangeEnable = 1;
table->MemoryInterval = 1;
table->VoltageResponseTime = 0;
table->PhaseResponseTime = 0;
table->MemoryThermThrottleEnable = 1;
table->PCIeBootLinkLevel = 0;
table->PCIeGenInterval = 1;
table->VRConfig = 0;
result = polaris10_populate_vr_config(hwmgr, table);
PP_ASSERT_WITH_CODE(0 == result,
"Failed to populate VRConfig setting!", return result);
table->ThermGpio = 17;
table->SclkStepSize = 0x4000;
if (atomctrl_get_pp_assign_pin(hwmgr, VDDC_VRHOT_GPIO_PINID, &gpio_pin)) {
table->VRHotGpio = gpio_pin.uc_gpio_pin_bit_shift;
} else {
table->VRHotGpio = POLARIS10_UNUSED_GPIO_PIN;
phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_RegulatorHot);
}
if (atomctrl_get_pp_assign_pin(hwmgr, PP_AC_DC_SWITCH_GPIO_PINID,
&gpio_pin)) {
table->AcDcGpio = gpio_pin.uc_gpio_pin_bit_shift;
phm_cap_set(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_AutomaticDCTransition);
} else {
table->AcDcGpio = POLARIS10_UNUSED_GPIO_PIN;
phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_AutomaticDCTransition);
}
/* Thermal Output GPIO */
if (atomctrl_get_pp_assign_pin(hwmgr, THERMAL_INT_OUTPUT_GPIO_PINID,
&gpio_pin)) {
phm_cap_set(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_ThermalOutGPIO);
table->ThermOutGpio = gpio_pin.uc_gpio_pin_bit_shift;
/* For porlarity read GPIOPAD_A with assigned Gpio pin
* since VBIOS will program this register to set 'inactive state',
* driver can then determine 'active state' from this and
* program SMU with correct polarity
*/
table->ThermOutPolarity = (0 == (cgs_read_register(hwmgr->device, mmGPIOPAD_A)
& (1 << gpio_pin.uc_gpio_pin_bit_shift))) ? 1:0;
table->ThermOutMode = SMU7_THERM_OUT_MODE_THERM_ONLY;
/* if required, combine VRHot/PCC with thermal out GPIO */
if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_RegulatorHot)
&& phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_CombinePCCWithThermalSignal))
table->ThermOutMode = SMU7_THERM_OUT_MODE_THERM_VRHOT;
} else {
table->ThermOutGpio = 17;
table->ThermOutPolarity = 1;
table->ThermOutMode = SMU7_THERM_OUT_MODE_DISABLE;
}
/* Populate BIF_SCLK levels into SMC DPM table */
for (i = 0; i <= data->dpm_table.pcie_speed_table.count; i++) {
result = atomctrl_get_dfs_pll_dividers_vi(hwmgr, data->bif_sclk_table[i], &dividers);
PP_ASSERT_WITH_CODE((result == 0), "Can not find DFS divide id for Sclk", return result);
if (i == 0)
table->Ulv.BifSclkDfs = PP_HOST_TO_SMC_US((USHORT)(dividers.pll_post_divider));
else
table->LinkLevel[i-1].BifSclkDfs = PP_HOST_TO_SMC_US((USHORT)(dividers.pll_post_divider));
}
for (i = 0; i < SMU74_MAX_ENTRIES_SMIO; i++)
table->Smio[i] = PP_HOST_TO_SMC_UL(table->Smio[i]);
CONVERT_FROM_HOST_TO_SMC_UL(table->SystemFlags);
CONVERT_FROM_HOST_TO_SMC_UL(table->VRConfig);
CONVERT_FROM_HOST_TO_SMC_UL(table->SmioMask1);
CONVERT_FROM_HOST_TO_SMC_UL(table->SmioMask2);
CONVERT_FROM_HOST_TO_SMC_UL(table->SclkStepSize);
CONVERT_FROM_HOST_TO_SMC_UL(table->CurrSclkPllRange);
CONVERT_FROM_HOST_TO_SMC_US(table->TemperatureLimitHigh);
CONVERT_FROM_HOST_TO_SMC_US(table->TemperatureLimitLow);
CONVERT_FROM_HOST_TO_SMC_US(table->VoltageResponseTime);
CONVERT_FROM_HOST_TO_SMC_US(table->PhaseResponseTime);
/* Upload all dpm data to SMC memory.(dpm level, dpm level count etc) */
result = polaris10_copy_bytes_to_smc(hwmgr->smumgr,
data->dpm_table_start +
offsetof(SMU74_Discrete_DpmTable, SystemFlags),
(uint8_t *)&(table->SystemFlags),
sizeof(SMU74_Discrete_DpmTable) - 3 * sizeof(SMU74_PIDController),
data->sram_end);
PP_ASSERT_WITH_CODE(0 == result,
"Failed to upload dpm data to SMC memory!", return result);
return 0;
}
/**
* Initialize the ARB DRAM timing table's index field.
*
* @param hwmgr the address of the powerplay hardware manager.
* @return always 0
*/
static int polaris10_init_arb_table_index(struct pp_hwmgr *hwmgr)
{
const struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
uint32_t tmp;
int result;
/* This is a read-modify-write on the first byte of the ARB table.
* The first byte in the SMU73_Discrete_MCArbDramTimingTable structure
* is the field 'current'.
* This solution is ugly, but we never write the whole table only
* individual fields in it.
* In reality this field should not be in that structure
* but in a soft register.
*/
result = polaris10_read_smc_sram_dword(hwmgr->smumgr,
data->arb_table_start, &tmp, data->sram_end);
if (result)
return result;
tmp &= 0x00FFFFFF;
tmp |= ((uint32_t)MC_CG_ARB_FREQ_F1) << 24;
return polaris10_write_smc_sram_dword(hwmgr->smumgr,
data->arb_table_start, tmp, data->sram_end);
}
static int polaris10_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 polaris10_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 polaris10_enable_ulv(struct pp_hwmgr *hwmgr)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
struct polaris10_ulv_parm *ulv = &(data->ulv);
if (ulv->ulv_supported)
return smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_EnableULV);
return 0;
}
static int polaris10_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 -1);
} 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 -1);
}
}
return 0;
}
static int polaris10_enable_sclk_mclk_dpm(struct pp_hwmgr *hwmgr)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
uint32_t soft_register_value = 0;
uint32_t handshake_disables_offset = data->soft_regs_start
+ offsetof(SMU74_SoftRegisters, HandshakeDisables);
/* 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 -1);
/* enable MCLK dpm */
if (0 == data->mclk_dpm_key_disabled) {
/* Disable UVD - SMU handshake for MCLK. */
soft_register_value = cgs_read_ind_register(hwmgr->device,
CGS_IND_REG__SMC, handshake_disables_offset);
soft_register_value |= SMU7_UVD_MCLK_HANDSHAKE_DISABLE;
cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
handshake_disables_offset, soft_register_value);
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 -1);
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 polaris10_start_dpm(struct pp_hwmgr *hwmgr)
{
struct polaris10_hwmgr *data = (struct polaris10_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 + offsetof(SMU74_SoftRegisters,
VoltageChangeTimeout), 0x1000);
PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__PCIE,
SWRST_COMMAND_1, RESETLC, 0x0);
/*
PP_ASSERT_WITH_CODE(
(0 == smum_send_msg_to_smc(hwmgr->smumgr,
PPSMC_MSG_Voltage_Cntl_Enable)),
"Failed to enable voltage DPM during DPM Start Function!",
return -1);
*/
if (polaris10_enable_sclk_mclk_dpm(hwmgr)) {
printk(KERN_ERR "Failed to enable Sclk DPM and Mclk DPM!");
return -1;
}
/* 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 -1);
}
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 void polaris10_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 polaris10_enable_auto_throttle_source(struct pp_hwmgr *hwmgr,
PHM_AutoThrottleSource source)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
if (!(data->active_auto_throttle_sources & (1 << source))) {
data->active_auto_throttle_sources |= 1 << source;
polaris10_set_dpm_event_sources(hwmgr, data->active_auto_throttle_sources);
}
return 0;
}
static int polaris10_enable_thermal_auto_throttle(struct pp_hwmgr *hwmgr)
{
return polaris10_enable_auto_throttle_source(hwmgr, PHM_AutoThrottleSource_Thermal);
}
int polaris10_pcie_performance_request(struct pp_hwmgr *hwmgr)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
data->pcie_performance_request = true;
return 0;
}
int polaris10_enable_dpm_tasks(struct pp_hwmgr *hwmgr)
{
int tmp_result, result = 0;
tmp_result = (!polaris10_is_dpm_running(hwmgr)) ? 0 : -1;
PP_ASSERT_WITH_CODE(result == 0,
"DPM is already running right now, no need to enable DPM!",
return 0);
if (polaris10_voltage_control(hwmgr)) {
tmp_result = polaris10_enable_voltage_control(hwmgr);
PP_ASSERT_WITH_CODE(tmp_result == 0,
"Failed to enable voltage control!",
result = tmp_result);
tmp_result = polaris10_construct_voltage_tables(hwmgr);
PP_ASSERT_WITH_CODE((0 == tmp_result),
"Failed to contruct voltage tables!",
result = tmp_result);
}
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 = polaris10_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 = polaris10_enable_display_gap(hwmgr);
PP_ASSERT_WITH_CODE((0 == tmp_result),
"Failed to enable display gap!", result = tmp_result);
tmp_result = polaris10_program_voting_clients(hwmgr);
PP_ASSERT_WITH_CODE((0 == tmp_result),
"Failed to program voting clients!", result = tmp_result);
tmp_result = polaris10_process_firmware_header(hwmgr);
PP_ASSERT_WITH_CODE((0 == tmp_result),
"Failed to process firmware header!", result = tmp_result);
tmp_result = polaris10_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);
tmp_result = polaris10_init_smc_table(hwmgr);
PP_ASSERT_WITH_CODE((0 == tmp_result),
"Failed to initialize SMC table!", result = tmp_result);
tmp_result = polaris10_init_arb_table_index(hwmgr);
PP_ASSERT_WITH_CODE((0 == tmp_result),
"Failed to initialize ARB table index!", result = tmp_result);
tmp_result = polaris10_populate_pm_fuses(hwmgr);
PP_ASSERT_WITH_CODE((0 == tmp_result),
"Failed to populate PM fuses!", result = tmp_result);
tmp_result = polaris10_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_HasDisplay);
tmp_result = polaris10_enable_sclk_control(hwmgr);
PP_ASSERT_WITH_CODE((0 == tmp_result),
"Failed to enable SCLK control!", result = tmp_result);
tmp_result = polaris10_enable_smc_voltage_controller(hwmgr);
PP_ASSERT_WITH_CODE((0 == tmp_result),
"Failed to enable voltage control!", result = tmp_result);
tmp_result = polaris10_enable_ulv(hwmgr);
PP_ASSERT_WITH_CODE((0 == tmp_result),
"Failed to enable ULV!", result = tmp_result);
tmp_result = polaris10_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 = polaris10_start_dpm(hwmgr);
PP_ASSERT_WITH_CODE((0 == tmp_result),
"Failed to start DPM!", result = tmp_result);
tmp_result = polaris10_enable_smc_cac(hwmgr);
PP_ASSERT_WITH_CODE((0 == tmp_result),
"Failed to enable SMC CAC!", result = tmp_result);
tmp_result = polaris10_enable_power_containment(hwmgr);
PP_ASSERT_WITH_CODE((0 == tmp_result),
"Failed to enable power containment!", result = tmp_result);
tmp_result = polaris10_power_control_set_level(hwmgr);
PP_ASSERT_WITH_CODE((0 == tmp_result),
"Failed to power control set level!", result = tmp_result);
tmp_result = polaris10_enable_thermal_auto_throttle(hwmgr);
PP_ASSERT_WITH_CODE((0 == tmp_result),
"Failed to enable thermal auto throttle!", result = tmp_result);
tmp_result = polaris10_pcie_performance_request(hwmgr);
PP_ASSERT_WITH_CODE((0 == tmp_result),
"pcie performance request failed!", result = tmp_result);
return result;
}
int polaris10_disable_dpm_tasks(struct pp_hwmgr *hwmgr)
{
return 0;
}
int polaris10_reset_asic_tasks(struct pp_hwmgr *hwmgr)
{
return 0;
}
int polaris10_hwmgr_backend_fini(struct pp_hwmgr *hwmgr)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
if (data->soft_pp_table) {
kfree(data->soft_pp_table);
data->soft_pp_table = NULL;
}
return phm_hwmgr_backend_fini(hwmgr);
}
int polaris10_set_features_platform_caps(struct pp_hwmgr *hwmgr)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
phm_cap_set(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_SclkDeepSleep);
phm_cap_set(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_DynamicPatchPowerState);
if (data->mvdd_control == POLARIS10_VOLTAGE_CONTROL_NONE)
phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_EnableMVDDControl);
if (data->vddci_control == POLARIS10_VOLTAGE_CONTROL_NONE)
phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_ControlVDDCI);
phm_cap_set(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_TablelessHardwareInterface);
phm_cap_set(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_EnableSMU7ThermalManagement);
phm_cap_set(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_DynamicPowerManagement);
phm_cap_set(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_UnTabledHardwareInterface);
phm_cap_set(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_TablelessHardwareInterface);
phm_cap_set(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_SMC);
phm_cap_set(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_NonABMSupportInPPLib);
phm_cap_set(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_DynamicUVDState);
/* power tune caps Assume disabled */
phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_SQRamping);
phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_DBRamping);
phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_TDRamping);
phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_TCPRamping);
phm_cap_set(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_PowerContainment);
phm_cap_set(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_CAC);
phm_cap_set(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_RegulatorHot);
phm_cap_set(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_AutomaticDCTransition);
phm_cap_set(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_ODFuzzyFanControlSupport);
phm_cap_set(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_FanSpeedInTableIsRPM);
if (hwmgr->chip_id == CHIP_POLARIS11)
phm_cap_set(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_SPLLShutdownSupport);
return 0;
}
static void polaris10_init_dpm_defaults(struct pp_hwmgr *hwmgr)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
polaris10_initialize_power_tune_defaults(hwmgr);
data->pcie_gen_performance.max = PP_PCIEGen1;
data->pcie_gen_performance.min = PP_PCIEGen3;
data->pcie_gen_power_saving.max = PP_PCIEGen1;
data->pcie_gen_power_saving.min = PP_PCIEGen3;
data->pcie_lane_performance.max = 0;
data->pcie_lane_performance.min = 16;
data->pcie_lane_power_saving.max = 0;
data->pcie_lane_power_saving.min = 16;
}
/**
* Get Leakage VDDC based on leakage ID.
*
* @param hwmgr the address of the powerplay hardware manager.
* @return always 0
*/
static int polaris10_get_evv_voltages(struct pp_hwmgr *hwmgr)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
uint16_t vv_id;
uint32_t vddc = 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 =
table_info->vdd_dep_on_sclk;
int result;
for (i = 0; i < POLARIS10_MAX_LEAKAGE_COUNT; i++) {
vv_id = ATOM_VIRTUAL_VOLTAGE_ID0 + i;
if (!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)) {
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;
}
}
}
PP_ASSERT_WITH_CODE(0 == atomctrl_get_voltage_evv_on_sclk_ai(hwmgr,
VOLTAGE_TYPE_VDDC, sclk, vv_id, &vddc),
"Error retrieving EVV voltage value!",
continue);
/* need to make sure vddc is less than 2v or else, it could burn the ASIC.
* real voltage level in unit of 0.01mv */
PP_ASSERT_WITH_CODE((vddc < 200000 && vddc != 0),
"Invalid VDDC value", result = -EINVAL;);
/* 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/100);
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 polaris10_patch_with_vdd_leakage(struct pp_hwmgr *hwmgr,
uint16_t *voltage, struct polaris10_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 polaris10_patch_lookup_table_with_leakage(struct pp_hwmgr *hwmgr,
phm_ppt_v1_voltage_lookup_table *lookup_table,
struct polaris10_leakage_voltage *leakage_table)
{
uint32_t i;
for (i = 0; i < lookup_table->count; i++)
polaris10_patch_with_vdd_leakage(hwmgr,
&lookup_table->entries[i].us_vdd, leakage_table);
return 0;
}
static int polaris10_patch_clock_voltage_limits_with_vddc_leakage(
struct pp_hwmgr *hwmgr, struct polaris10_leakage_voltage *leakage_table,
uint16_t *vddc)
{
struct phm_ppt_v1_information *table_info =
(struct phm_ppt_v1_information *)(hwmgr->pptable);
polaris10_patch_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 polaris10_patch_voltage_dependency_tables_with_lookup_table(
struct pp_hwmgr *hwmgr)
{
uint8_t entryId;
uint8_t voltageId;
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;
for (entryId = 0; entryId < sclk_table->count; ++entryId) {
voltageId = sclk_table->entries[entryId].vddInd;
sclk_table->entries[entryId].vddc =
table_info->vddc_lookup_table->entries[voltageId].us_vdd;
}
for (entryId = 0; entryId < mclk_table->count; ++entryId) {
voltageId = mclk_table->entries[entryId].vddInd;
mclk_table->entries[entryId].vddc =
table_info->vddc_lookup_table->entries[voltageId].us_vdd;
}
for (entryId = 0; entryId < mm_table->count; ++entryId) {
voltageId = mm_table->entries[entryId].vddcInd;
mm_table->entries[entryId].vddc =
table_info->vddc_lookup_table->entries[voltageId].us_vdd;
}
return 0;
}
static int polaris10_calc_voltage_dependency_tables(struct pp_hwmgr *hwmgr)
{
/* Need to determine if we need calculated voltage. */
return 0;
}
static int polaris10_calc_mm_voltage_dependency_table(struct pp_hwmgr *hwmgr)
{
/* Need to determine if we need calculated voltage from mm table. */
return 0;
}
static int polaris10_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 polaris10_complete_dependency_tables(struct pp_hwmgr *hwmgr)
{
int result = 0;
int tmp_result;
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
struct phm_ppt_v1_information *table_info =
(struct phm_ppt_v1_information *)(hwmgr->pptable);
tmp_result = polaris10_patch_lookup_table_with_leakage(hwmgr,
table_info->vddc_lookup_table, &(data->vddc_leakage));
if (tmp_result)
result = tmp_result;
tmp_result = polaris10_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 = polaris10_patch_voltage_dependency_tables_with_lookup_table(hwmgr);
if (tmp_result)
result = tmp_result;
tmp_result = polaris10_calc_voltage_dependency_tables(hwmgr);
if (tmp_result)
result = tmp_result;
tmp_result = polaris10_calc_mm_voltage_dependency_table(hwmgr);
if (tmp_result)
result = tmp_result;
tmp_result = polaris10_sort_lookup_table(hwmgr, table_info->vddc_lookup_table);
if (tmp_result)
result = tmp_result;
return result;
}
static int polaris10_set_private_data_based_on_pptable(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. \
This table is mandatory", return -EINVAL);
PP_ASSERT_WITH_CODE(allowed_sclk_vdd_table->count >= 1,
"VDD dependency on SCLK table has to have is missing. \
This table is mandatory", return -EINVAL);
PP_ASSERT_WITH_CODE(allowed_mclk_vdd_table != NULL,
"VDD dependency on MCLK table is missing. \
This table is mandatory", return -EINVAL);
PP_ASSERT_WITH_CODE(allowed_mclk_vdd_table->count >= 1,
"VDD dependency on MCLK table has to have is missing. \
This table is mandatory", return -EINVAL);
table_info->max_clock_voltage_on_ac.sclk =
allowed_sclk_vdd_table->entries[allowed_sclk_vdd_table->count - 1].clk;
table_info->max_clock_voltage_on_ac.mclk =
allowed_mclk_vdd_table->entries[allowed_mclk_vdd_table->count - 1].clk;
table_info->max_clock_voltage_on_ac.vddc =
allowed_sclk_vdd_table->entries[allowed_sclk_vdd_table->count - 1].vddc;
table_info->max_clock_voltage_on_ac.vddci =
allowed_mclk_vdd_table->entries[allowed_mclk_vdd_table->count - 1].vddci;
hwmgr->dyn_state.max_clock_voltage_on_ac.sclk = table_info->max_clock_voltage_on_ac.sclk;
hwmgr->dyn_state.max_clock_voltage_on_ac.mclk = table_info->max_clock_voltage_on_ac.mclk;
hwmgr->dyn_state.max_clock_voltage_on_ac.vddc = table_info->max_clock_voltage_on_ac.vddc;
hwmgr->dyn_state.max_clock_voltage_on_ac.vddci =table_info->max_clock_voltage_on_ac.vddci;
return 0;
}
int polaris10_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 =
table_info->vdd_dep_on_mclk;
struct phm_ppt_v1_voltage_lookup_table *lookup_table =
table_info->vddc_lookup_table;
uint32_t i;
if (hwmgr->chip_id == CHIP_POLARIS10 && hwmgr->hw_revision == 0xC7) {
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;
}
int polaris10_hwmgr_backend_init(struct pp_hwmgr *hwmgr)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
struct pp_atomctrl_gpio_pin_assignment gpio_pin_assignment;
uint32_t temp_reg;
int result;
struct phm_ppt_v1_information *table_info =
(struct phm_ppt_v1_information *)(hwmgr->pptable);
data->dll_default_on = false;
data->sram_end = SMC_RAM_END;
data->mclk_dpm0_activity_target = 0xa;
data->disable_dpm_mask = 0xFF;
data->static_screen_threshold = PPPOLARIS10_STATICSCREENTHRESHOLD_DFLT;
data->static_screen_threshold_unit = PPPOLARIS10_STATICSCREENTHRESHOLD_DFLT;
data->activity_target[0] = PPPOLARIS10_TARGETACTIVITY_DFLT;
data->activity_target[1] = PPPOLARIS10_TARGETACTIVITY_DFLT;
data->activity_target[2] = PPPOLARIS10_TARGETACTIVITY_DFLT;
data->activity_target[3] = PPPOLARIS10_TARGETACTIVITY_DFLT;
data->activity_target[4] = PPPOLARIS10_TARGETACTIVITY_DFLT;
data->activity_target[5] = PPPOLARIS10_TARGETACTIVITY_DFLT;
data->activity_target[6] = PPPOLARIS10_TARGETACTIVITY_DFLT;
data->activity_target[7] = PPPOLARIS10_TARGETACTIVITY_DFLT;
data->voting_rights_clients0 = PPPOLARIS10_VOTINGRIGHTSCLIENTS_DFLT0;
data->voting_rights_clients1 = PPPOLARIS10_VOTINGRIGHTSCLIENTS_DFLT1;
data->voting_rights_clients2 = PPPOLARIS10_VOTINGRIGHTSCLIENTS_DFLT2;
data->voting_rights_clients3 = PPPOLARIS10_VOTINGRIGHTSCLIENTS_DFLT3;
data->voting_rights_clients4 = PPPOLARIS10_VOTINGRIGHTSCLIENTS_DFLT4;
data->voting_rights_clients5 = PPPOLARIS10_VOTINGRIGHTSCLIENTS_DFLT5;
data->voting_rights_clients6 = PPPOLARIS10_VOTINGRIGHTSCLIENTS_DFLT6;
data->voting_rights_clients7 = PPPOLARIS10_VOTINGRIGHTSCLIENTS_DFLT7;
data->vddc_vddci_delta = VDDC_VDDCI_DELTA;
data->mclk_activity_target = PPPOLARIS10_MCLK_TARGETACTIVITY_DFLT;
/* need to set voltage control types before EVV patching */
data->voltage_control = POLARIS10_VOLTAGE_CONTROL_NONE;
data->vddci_control = POLARIS10_VOLTAGE_CONTROL_NONE;
data->mvdd_control = POLARIS10_VOLTAGE_CONTROL_NONE;
data->enable_tdc_limit_feature = true;
data->enable_pkg_pwr_tracking_feature = true;
data->force_pcie_gen = PP_PCIEGenInvalid;
data->mclk_stutter_mode_threshold = 40000;
if (atomctrl_is_voltage_controled_by_gpio_v3(hwmgr,
VOLTAGE_TYPE_VDDC, VOLTAGE_OBJ_SVID2))
data->voltage_control = POLARIS10_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 = POLARIS10_VOLTAGE_CONTROL_BY_GPIO;
else if (atomctrl_is_voltage_controled_by_gpio_v3(hwmgr,
VOLTAGE_TYPE_MVDDC, VOLTAGE_OBJ_SVID2))
data->mvdd_control = POLARIS10_VOLTAGE_CONTROL_BY_SVID2;
}
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 = POLARIS10_VOLTAGE_CONTROL_BY_GPIO;
else if (atomctrl_is_voltage_controled_by_gpio_v3(hwmgr,
VOLTAGE_TYPE_VDDCI, VOLTAGE_OBJ_SVID2))
data->vddci_control = POLARIS10_VOLTAGE_CONTROL_BY_SVID2;
}
if (table_info->cac_dtp_table->usClockStretchAmount != 0)
phm_cap_set(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_ClockStretcher);
polaris10_set_features_platform_caps(hwmgr);
polaris10_patch_voltage_workaround(hwmgr);
polaris10_init_dpm_defaults(hwmgr);
/* Get leakage voltage based on leakage ID. */
result = polaris10_get_evv_voltages(hwmgr);
if (result) {
printk("Get EVV Voltage Failed. Abort Driver loading!\n");
return -1;
}
polaris10_complete_dependency_tables(hwmgr);
polaris10_set_private_data_based_on_pptable(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 = 0;
hwmgr->platform_descriptor.hardwareActivityPerformanceLevels =
POLARIS10_MAX_HARDWARE_POWERLEVELS;
hwmgr->platform_descriptor.hardwarePerformanceLevels = 2;
hwmgr->platform_descriptor.minimumClocksReductionPercentage = 50;
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->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;
}
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 = 0x30007;
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 = 0x2f0000;
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;
} else {
/* Ignore return value in here, we are cleaning up a mess. */
polaris10_hwmgr_backend_fini(hwmgr);
}
return 0;
}
static int polaris10_force_dpm_highest(struct pp_hwmgr *hwmgr)
{
struct polaris10_hwmgr *data = (struct polaris10_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 polaris10_upload_dpm_level_enable_mask(struct pp_hwmgr *hwmgr)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
phm_apply_dal_min_voltage_request(hwmgr);
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 polaris10_unforce_dpm_levels(struct pp_hwmgr *hwmgr)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
if (!polaris10_is_dpm_running(hwmgr))
return -EINVAL;
if (!data->pcie_dpm_key_disabled) {
smum_send_msg_to_smc(hwmgr->smumgr,
PPSMC_MSG_PCIeDPM_UnForceLevel);
}
return polaris10_upload_dpm_level_enable_mask(hwmgr);
}
static int polaris10_force_dpm_lowest(struct pp_hwmgr *hwmgr)
{
struct polaris10_hwmgr *data =
(struct polaris10_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 polaris10_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 = polaris10_force_dpm_highest(hwmgr);
if (ret)
return ret;
break;
case AMD_DPM_FORCED_LEVEL_LOW:
ret = polaris10_force_dpm_lowest(hwmgr);
if (ret)
return ret;
break;
case AMD_DPM_FORCED_LEVEL_AUTO:
ret = polaris10_unforce_dpm_levels(hwmgr);
if (ret)
return ret;
break;
default:
break;
}
hwmgr->dpm_level = level;
return ret;
}
static int polaris10_get_power_state_size(struct pp_hwmgr *hwmgr)
{
return sizeof(struct polaris10_power_state);
}
static int polaris10_apply_state_adjust_rules(struct pp_hwmgr *hwmgr,
struct pp_power_state *request_ps,
const struct pp_power_state *current_ps)
{
struct polaris10_power_state *polaris10_ps =
cast_phw_polaris10_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 polaris10_hwmgr *data = (struct polaris10_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(polaris10_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 < polaris10_ps->performance_level_count; i++) {
if (polaris10_ps->performance_levels[i].memory_clock > max_limits->mclk)
polaris10_ps->performance_levels[i].memory_clock = max_limits->mclk;
if (polaris10_ps->performance_levels[i].engine_clock > max_limits->sclk)
polaris10_ps->performance_levels[i].engine_clock = max_limits->sclk;
}
}
polaris10_ps->vce_clks.evclk = hwmgr->vce_arbiter.evclk;
polaris10_ps->vce_clks.ecclk = hwmgr->vce_arbiter.ecclk;
cgs_get_active_displays_info(hwmgr->device, &info);
/*TO DO result = PHM_CheckVBlankTime(hwmgr, &vblankTooShort);*/
/* TO DO GetMinClockSettings(hwmgr->pPECI, &minimum_clocks); */
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;
polaris10_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)
polaris10_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)
polaris10_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 = polaris10_ps->performance_levels[0].engine_clock;
mclk = polaris10_ps->performance_levels[0].memory_clock;
if (disable_mclk_switching)
mclk = polaris10_ps->performance_levels
[polaris10_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;
polaris10_ps->performance_levels[0].engine_clock = sclk;
polaris10_ps->performance_levels[0].memory_clock = mclk;
polaris10_ps->performance_levels[1].engine_clock =
(polaris10_ps->performance_levels[1].engine_clock >=
polaris10_ps->performance_levels[0].engine_clock) ?
polaris10_ps->performance_levels[1].engine_clock :
polaris10_ps->performance_levels[0].engine_clock;
if (disable_mclk_switching) {
if (mclk < polaris10_ps->performance_levels[1].memory_clock)
mclk = polaris10_ps->performance_levels[1].memory_clock;
polaris10_ps->performance_levels[0].memory_clock = mclk;
polaris10_ps->performance_levels[1].memory_clock = mclk;
} else {
if (polaris10_ps->performance_levels[1].memory_clock <
polaris10_ps->performance_levels[0].memory_clock)
polaris10_ps->performance_levels[1].memory_clock =
polaris10_ps->performance_levels[0].memory_clock;
}
if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_StablePState)) {
for (i = 0; i < polaris10_ps->performance_level_count; i++) {
polaris10_ps->performance_levels[i].engine_clock = stable_pstate_sclk;
polaris10_ps->performance_levels[i].memory_clock = stable_pstate_mclk;
polaris10_ps->performance_levels[i].pcie_gen = data->pcie_gen_performance.max;
polaris10_ps->performance_levels[i].pcie_lane = data->pcie_gen_performance.max;
}
}
return 0;
}
static int polaris10_dpm_get_mclk(struct pp_hwmgr *hwmgr, bool low)
{
struct pp_power_state *ps;
struct polaris10_power_state *polaris10_ps;
if (hwmgr == NULL)
return -EINVAL;
ps = hwmgr->request_ps;
if (ps == NULL)
return -EINVAL;
polaris10_ps = cast_phw_polaris10_power_state(&ps->hardware);
if (low)
return polaris10_ps->performance_levels[0].memory_clock;
else
return polaris10_ps->performance_levels
[polaris10_ps->performance_level_count-1].memory_clock;
}
static int polaris10_dpm_get_sclk(struct pp_hwmgr *hwmgr, bool low)
{
struct pp_power_state *ps;
struct polaris10_power_state *polaris10_ps;
if (hwmgr == NULL)
return -EINVAL;
ps = hwmgr->request_ps;
if (ps == NULL)
return -EINVAL;
polaris10_ps = cast_phw_polaris10_power_state(&ps->hardware);
if (low)
return polaris10_ps->performance_levels[0].engine_clock;
else
return polaris10_ps->performance_levels
[polaris10_ps->performance_level_count-1].engine_clock;
}
static int polaris10_dpm_patch_boot_state(struct pp_hwmgr *hwmgr,
struct pp_hw_power_state *hw_ps)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
struct polaris10_power_state *ps = (struct polaris10_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 =
phm_get_current_pcie_speed(hwmgr);
data->vbios_boot_state.pcie_lane_bootup_value =
(uint16_t)phm_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 polaris10_get_pp_table_entry_callback_func(struct pp_hwmgr *hwmgr,
void *state, struct pp_power_state *power_state,
void *pp_table, uint32_t classification_flag)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
struct polaris10_power_state *polaris10_power_state =
(struct polaris10_power_state *)(&(power_state->hardware));
struct polaris10_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 = &(polaris10_power_state->performance_levels
[polaris10_power_state->performance_level_count++]);
PP_ASSERT_WITH_CODE(
(polaris10_power_state->performance_level_count < SMU74_MAX_LEVELS_GRAPHICS),
"Performance levels exceeds SMC limit!",
return -1);
PP_ASSERT_WITH_CODE(
(polaris10_power_state->performance_level_count <=
hwmgr->platform_descriptor.hardwareActivityPerformanceLevels),
"Performance levels exceeds Driver limit!",
return -1);
/* 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 = &(polaris10_power_state->performance_levels
[polaris10_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 polaris10_get_pp_table_entry(struct pp_hwmgr *hwmgr,
unsigned long entry_index, struct pp_power_state *state)
{
int result;
struct polaris10_power_state *ps;
struct polaris10_hwmgr *data = (struct polaris10_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 polaris10_power_state *)(&state->hardware);
result = tonga_get_powerplay_table_entry(hwmgr, entry_index, state,
polaris10_get_pp_table_entry_callback_func);
/* 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 void
polaris10_print_current_perforce_level(struct pp_hwmgr *hwmgr, struct seq_file *m)
{
uint32_t sclk, mclk, activity_percent;
uint32_t offset;
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_API_GetSclkFrequency);
sclk = cgs_read_register(hwmgr->device, mmSMC_MSG_ARG_0);
smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_API_GetMclkFrequency);
mclk = cgs_read_register(hwmgr->device, mmSMC_MSG_ARG_0);
seq_printf(m, "\n [ mclk ]: %u MHz\n\n [ sclk ]: %u MHz\n",
mclk / 100, sclk / 100);
offset = data->soft_regs_start + offsetof(SMU74_SoftRegisters, AverageGraphicsActivity);
activity_percent = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, offset);
activity_percent += 0x80;
activity_percent >>= 8;
seq_printf(m, "\n [GPU load]: %u%%\n\n", activity_percent > 100 ? 100 : activity_percent);
seq_printf(m, "uvd %sabled\n", data->uvd_power_gated ? "dis" : "en");
seq_printf(m, "vce %sabled\n", data->vce_power_gated ? "dis" : "en");
}
static int polaris10_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 polaris10_power_state *polaris10_ps =
cast_const_phw_polaris10_power_state(states->pnew_state);
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
struct polaris10_single_dpm_table *sclk_table = &(data->dpm_table.sclk_table);
uint32_t sclk = polaris10_ps->performance_levels
[polaris10_ps->performance_level_count - 1].engine_clock;
struct polaris10_single_dpm_table *mclk_table = &(data->dpm_table.mclk_table);
uint32_t mclk = polaris10_ps->performance_levels
[polaris10_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 >= POLARIS10_MINIMUM_ENGINE_CLOCK ||
data->display_timing.min_clock_in_sr >= POLARIS10_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 polaris10_get_maximum_link_speed(struct pp_hwmgr *hwmgr,
const struct polaris10_power_state *polaris10_ps)
{
uint32_t i;
uint32_t sclk, max_sclk = 0;
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
struct polaris10_dpm_table *dpm_table = &data->dpm_table;
for (i = 0; i < polaris10_ps->performance_level_count; i++) {
sclk = polaris10_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 polaris10_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 polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
const struct polaris10_power_state *polaris10_nps =
cast_const_phw_polaris10_power_state(states->pnew_state);
const struct polaris10_power_state *polaris10_cps =
cast_const_phw_polaris10_power_state(states->pcurrent_state);
uint16_t target_link_speed = polaris10_get_maximum_link_speed(hwmgr, polaris10_nps);
uint16_t current_link_speed;
if (data->force_pcie_gen == PP_PCIEGenInvalid)
current_link_speed = polaris10_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 = phm_get_current_pcie_speed(hwmgr);
break;
}
} else {
if (target_link_speed < current_link_speed)
data->pspp_notify_required = true;
}
return 0;
}
static int polaris10_freeze_sclk_mclk_dpm(struct pp_hwmgr *hwmgr)
{
struct polaris10_hwmgr *data = (struct polaris10_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 == polaris10_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 -1);
}
if ((0 == data->mclk_dpm_key_disabled) &&
(data->need_update_smu7_dpm_table &
DPMTABLE_OD_UPDATE_MCLK)) {
PP_ASSERT_WITH_CODE(true == polaris10_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 -1);
}
return 0;
}
static int polaris10_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 polaris10_power_state *polaris10_ps =
cast_const_phw_polaris10_power_state(states->pnew_state);
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
uint32_t sclk = polaris10_ps->performance_levels
[polaris10_ps->performance_level_count - 1].engine_clock;
uint32_t mclk = polaris10_ps->performance_levels
[polaris10_ps->performance_level_count - 1].memory_clock;
struct polaris10_dpm_table *dpm_table = &data->dpm_table;
struct polaris10_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 -1);
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 -1);
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 = polaris10_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 = polaris10_populate_all_memory_levels(hwmgr);
PP_ASSERT_WITH_CODE((0 == result),
"Failed to populate MCLK during PopulateNewDPMClocksStates Function!",
return result);
}
return result;
}
static int polaris10_trim_single_dpm_states(struct pp_hwmgr *hwmgr,
struct polaris10_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 polaris10_trim_dpm_states(struct pp_hwmgr *hwmgr,
const struct polaris10_power_state *polaris10_ps)
{
int result = 0;
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
uint32_t high_limit_count;
PP_ASSERT_WITH_CODE((polaris10_ps->performance_level_count >= 1),
"power state did not have any performance level",
return -1);
high_limit_count = (1 == polaris10_ps->performance_level_count) ? 0 : 1;
polaris10_trim_single_dpm_states(hwmgr,
&(data->dpm_table.sclk_table),
polaris10_ps->performance_levels[0].engine_clock,
polaris10_ps->performance_levels[high_limit_count].engine_clock);
polaris10_trim_single_dpm_states(hwmgr,
&(data->dpm_table.mclk_table),
polaris10_ps->performance_levels[0].memory_clock,
polaris10_ps->performance_levels[high_limit_count].memory_clock);
return result;
}
static int polaris10_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 polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
const struct polaris10_power_state *polaris10_ps =
cast_const_phw_polaris10_power_state(states->pnew_state);
result = polaris10_trim_dpm_states(hwmgr, polaris10_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;
}
int polaris10_enable_disable_uvd_dpm(struct pp_hwmgr *hwmgr, bool enable)
{
return smum_send_msg_to_smc(hwmgr->smumgr, enable ?
PPSMC_MSG_UVDDPM_Enable :
PPSMC_MSG_UVDDPM_Disable);
}
int polaris10_enable_disable_vce_dpm(struct pp_hwmgr *hwmgr, bool enable)
{
return smum_send_msg_to_smc(hwmgr->smumgr, enable?
PPSMC_MSG_VCEDPM_Enable :
PPSMC_MSG_VCEDPM_Disable);
}
int polaris10_enable_disable_samu_dpm(struct pp_hwmgr *hwmgr, bool enable)
{
return smum_send_msg_to_smc(hwmgr->smumgr, enable?
PPSMC_MSG_SAMUDPM_Enable :
PPSMC_MSG_SAMUDPM_Disable);
}
int polaris10_update_uvd_dpm(struct pp_hwmgr *hwmgr, bool bgate)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
uint32_t mm_boot_level_offset, mm_boot_level_value;
struct phm_ppt_v1_information *table_info =
(struct phm_ppt_v1_information *)(hwmgr->pptable);
if (!bgate) {
data->smc_state_table.UvdBootLevel = 0;
if (table_info->mm_dep_table->count > 0)
data->smc_state_table.UvdBootLevel =
(uint8_t) (table_info->mm_dep_table->count - 1);
mm_boot_level_offset = data->dpm_table_start +
offsetof(SMU74_Discrete_DpmTable, UvdBootLevel);
mm_boot_level_offset /= 4;
mm_boot_level_offset *= 4;
mm_boot_level_value = cgs_read_ind_register(hwmgr->device,
CGS_IND_REG__SMC, mm_boot_level_offset);
mm_boot_level_value &= 0x00FFFFFF;
mm_boot_level_value |= data->smc_state_table.UvdBootLevel << 24;
cgs_write_ind_register(hwmgr->device,
CGS_IND_REG__SMC, mm_boot_level_offset, mm_boot_level_value);
if (!phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_UVDDPM) ||
phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_StablePState))
smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
PPSMC_MSG_UVDDPM_SetEnabledMask,
(uint32_t)(1 << data->smc_state_table.UvdBootLevel));
}
return polaris10_enable_disable_uvd_dpm(hwmgr, !bgate);
}
static int polaris10_update_vce_dpm(struct pp_hwmgr *hwmgr, const void *input)
{
const struct phm_set_power_state_input *states =
(const struct phm_set_power_state_input *)input;
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
const struct polaris10_power_state *polaris10_nps =
cast_const_phw_polaris10_power_state(states->pnew_state);
const struct polaris10_power_state *polaris10_cps =
cast_const_phw_polaris10_power_state(states->pcurrent_state);
uint32_t mm_boot_level_offset, mm_boot_level_value;
struct phm_ppt_v1_information *table_info =
(struct phm_ppt_v1_information *)(hwmgr->pptable);
if (polaris10_nps->vce_clks.evclk > 0 &&
(polaris10_cps == NULL || polaris10_cps->vce_clks.evclk == 0)) {
data->smc_state_table.VceBootLevel =
(uint8_t) (table_info->mm_dep_table->count - 1);
mm_boot_level_offset = data->dpm_table_start +
offsetof(SMU74_Discrete_DpmTable, VceBootLevel);
mm_boot_level_offset /= 4;
mm_boot_level_offset *= 4;
mm_boot_level_value = cgs_read_ind_register(hwmgr->device,
CGS_IND_REG__SMC, mm_boot_level_offset);
mm_boot_level_value &= 0xFF00FFFF;
mm_boot_level_value |= data->smc_state_table.VceBootLevel << 16;
cgs_write_ind_register(hwmgr->device,
CGS_IND_REG__SMC, mm_boot_level_offset, mm_boot_level_value);
if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_StablePState)) {
smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
PPSMC_MSG_VCEDPM_SetEnabledMask,
(uint32_t)1 << data->smc_state_table.VceBootLevel);
polaris10_enable_disable_vce_dpm(hwmgr, true);
} else if (polaris10_nps->vce_clks.evclk == 0 &&
polaris10_cps != NULL &&
polaris10_cps->vce_clks.evclk > 0)
polaris10_enable_disable_vce_dpm(hwmgr, false);
}
return 0;
}
int polaris10_update_samu_dpm(struct pp_hwmgr *hwmgr, bool bgate)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
uint32_t mm_boot_level_offset, mm_boot_level_value;
if (!bgate) {
data->smc_state_table.SamuBootLevel = 0;
mm_boot_level_offset = data->dpm_table_start +
offsetof(SMU74_Discrete_DpmTable, SamuBootLevel);
mm_boot_level_offset /= 4;
mm_boot_level_offset *= 4;
mm_boot_level_value = cgs_read_ind_register(hwmgr->device,
CGS_IND_REG__SMC, mm_boot_level_offset);
mm_boot_level_value &= 0xFFFFFF00;
mm_boot_level_value |= data->smc_state_table.SamuBootLevel << 0;
cgs_write_ind_register(hwmgr->device,
CGS_IND_REG__SMC, mm_boot_level_offset, mm_boot_level_value);
if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_StablePState))
smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
PPSMC_MSG_SAMUDPM_SetEnabledMask,
(uint32_t)(1 << data->smc_state_table.SamuBootLevel));
}
return polaris10_enable_disable_samu_dpm(hwmgr, !bgate);
}
static int polaris10_update_sclk_threshold(struct pp_hwmgr *hwmgr)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
int result = 0;
uint32_t low_sclk_interrupt_threshold = 0;
if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_SclkThrottleLowNotification)
&& (hwmgr->gfx_arbiter.sclk_threshold !=
data->low_sclk_interrupt_threshold)) {
data->low_sclk_interrupt_threshold =
hwmgr->gfx_arbiter.sclk_threshold;
low_sclk_interrupt_threshold =
data->low_sclk_interrupt_threshold;
CONVERT_FROM_HOST_TO_SMC_UL(low_sclk_interrupt_threshold);
result = polaris10_copy_bytes_to_smc(
hwmgr->smumgr,
data->dpm_table_start +
offsetof(SMU74_Discrete_DpmTable,
LowSclkInterruptThreshold),
(uint8_t *)&low_sclk_interrupt_threshold,
sizeof(uint32_t),
data->sram_end);
}
return result;
}
static int polaris10_program_mem_timing_parameters(struct pp_hwmgr *hwmgr)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
if (data->need_update_smu7_dpm_table &
(DPMTABLE_OD_UPDATE_SCLK + DPMTABLE_OD_UPDATE_MCLK))
return polaris10_program_memory_timing_parameters(hwmgr);
return 0;
}
static int polaris10_unfreeze_sclk_mclk_dpm(struct pp_hwmgr *hwmgr)
{
struct polaris10_hwmgr *data = (struct polaris10_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 == polaris10_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 -1);
}
if ((0 == data->mclk_dpm_key_disabled) &&
(data->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_MCLK)) {
PP_ASSERT_WITH_CODE(true == polaris10_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 -1);
}
data->need_update_smu7_dpm_table = 0;
return 0;
}
static int polaris10_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 polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
const struct polaris10_power_state *polaris10_ps =
cast_const_phw_polaris10_power_state(states->pnew_state);
uint16_t target_link_speed = polaris10_get_maximum_link_speed(hwmgr, polaris10_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 &&
phm_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 polaris10_notify_smc_display(struct pp_hwmgr *hwmgr)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
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 polaris10_set_power_state_tasks(struct pp_hwmgr *hwmgr, const void *input)
{
int tmp_result, result = 0;
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
tmp_result = polaris10_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 =
polaris10_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 = polaris10_freeze_sclk_mclk_dpm(hwmgr);
PP_ASSERT_WITH_CODE((0 == tmp_result),
"Failed to freeze SCLK MCLK DPM!", result = tmp_result);
tmp_result = polaris10_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 = polaris10_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 = polaris10_update_vce_dpm(hwmgr, input);
PP_ASSERT_WITH_CODE((0 == tmp_result),
"Failed to update VCE DPM!",
result = tmp_result);
tmp_result = polaris10_update_sclk_threshold(hwmgr);
PP_ASSERT_WITH_CODE((0 == tmp_result),
"Failed to update SCLK threshold!",
result = tmp_result);
tmp_result = polaris10_program_mem_timing_parameters(hwmgr);
PP_ASSERT_WITH_CODE((0 == tmp_result),
"Failed to program memory timing parameters!",
result = tmp_result);
tmp_result = polaris10_notify_smc_display(hwmgr);
PP_ASSERT_WITH_CODE((0 == tmp_result),
"Failed to notify smc display settings!",
result = tmp_result);
tmp_result = polaris10_unfreeze_sclk_mclk_dpm(hwmgr);
PP_ASSERT_WITH_CODE((0 == tmp_result),
"Failed to unfreeze SCLK MCLK DPM!",
result = tmp_result);
tmp_result = polaris10_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 =
polaris10_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 polaris10_set_max_fan_pwm_output(struct pp_hwmgr *hwmgr, uint16_t us_max_fan_pwm)
{
hwmgr->thermal_controller.
advanceFanControlParameters.usMaxFanPWM = us_max_fan_pwm;
if (phm_is_hw_access_blocked(hwmgr))
return 0;
return smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
PPSMC_MSG_SetFanPwmMax, us_max_fan_pwm);
}
int polaris10_notify_smc_display_change(struct pp_hwmgr *hwmgr, bool has_display)
{
PPSMC_Msg msg = has_display ? (PPSMC_Msg)PPSMC_HasDisplay : (PPSMC_Msg)PPSMC_NoDisplay;
return (smum_send_msg_to_smc(hwmgr->smumgr, msg) == 0) ? 0 : -1;
}
int polaris10_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) /* to do && (pHwMgr->pPECI->displayConfiguration.bMultiMonitorInSync != TRUE)) */
polaris10_notify_smc_display_change(hwmgr, false);
return 0;
}
/**
* Programs the display gap
*
* @param hwmgr the address of the powerplay hardware manager.
* @return always OK
*/
int polaris10_program_display_gap(struct pp_hwmgr *hwmgr)
{
struct polaris10_hwmgr *data = (struct polaris10_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 + offsetof(SMU74_SoftRegisters, PreVBlankGap), 0x64);
cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, data->soft_regs_start + offsetof(SMU74_SoftRegisters, VBlankTimeout), (frame_time_in_us - pre_vbi_time_in_us));
return 0;
}
int polaris10_display_configuration_changed_task(struct pp_hwmgr *hwmgr)
{
return polaris10_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 polaris10_set_max_fan_rpm_output(struct pp_hwmgr *hwmgr, uint16_t us_max_fan_rpm)
{
hwmgr->thermal_controller.
advanceFanControlParameters.usMaxFanRPM = us_max_fan_rpm;
if (phm_is_hw_access_blocked(hwmgr))
return 0;
return smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
PPSMC_MSG_SetFanRpmMax, us_max_fan_rpm);
}
int polaris10_register_internal_thermal_interrupt(struct pp_hwmgr *hwmgr,
const void *thermal_interrupt_info)
{
return 0;
}
bool polaris10_check_smc_update_required_for_display_configuration(struct pp_hwmgr *hwmgr)
{
struct polaris10_hwmgr *data = (struct polaris10_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;
/* TO DO NEED TO GET DEEP SLEEP CLOCK FROM DAL
if (phm_cap_enabled(hwmgr->hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_SclkDeepSleep)) {
cgs_get_min_clock_settings(hwmgr->device, &min_clocks);
if (min_clocks.engineClockInSR != data->display_timing.minClockInSR &&
(min_clocks.engineClockInSR >= POLARIS10_MINIMUM_ENGINE_CLOCK ||
data->display_timing.minClockInSR >= POLARIS10_MINIMUM_ENGINE_CLOCK))
is_update_required = true;
*/
return is_update_required;
}
static inline bool polaris10_are_power_levels_equal(const struct polaris10_performance_level *pl1,
const struct polaris10_performance_level *pl2)
{
return ((pl1->memory_clock == pl2->memory_clock) &&
(pl1->engine_clock == pl2->engine_clock) &&
(pl1->pcie_gen == pl2->pcie_gen) &&
(pl1->pcie_lane == pl2->pcie_lane));
}
int polaris10_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 polaris10_power_state *psa = cast_const_phw_polaris10_power_state(pstate1);
const struct polaris10_power_state *psb = cast_const_phw_polaris10_power_state(pstate2);
int i;
if (pstate1 == NULL || pstate2 == NULL || equal == NULL)
return -EINVAL;
/* 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 (!polaris10_are_power_levels_equal(&(psa->performance_levels[i]), &(psb->performance_levels[i]))) {
/* If we have found even one performance level pair that is different the states are different. */
*equal = false;
return 0;
}
}
/* If all performance levels are the same try to use the UVD clocks to break the tie.*/
*equal = ((psa->uvd_clks.vclk == psb->uvd_clks.vclk) && (psa->uvd_clks.dclk == psb->uvd_clks.dclk));
*equal &= ((psa->vce_clks.evclk == psb->vce_clks.evclk) && (psa->vce_clks.ecclk == psb->vce_clks.ecclk));
*equal &= (psa->sclk_threshold == psb->sclk_threshold);
return 0;
}
int polaris10_upload_mc_firmware(struct pp_hwmgr *hwmgr)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
uint32_t vbios_version;
/* Read MC indirect register offset 0x9F bits [3:0] to see if VBIOS has already loaded a full version of MC ucode or not.*/
phm_get_mc_microcode_version(hwmgr);
vbios_version = hwmgr->microcode_version_info.MC & 0xf;
/* Full version of MC ucode has already been loaded. */
if (vbios_version == 0) {
data->need_long_memory_training = false;
return 0;
}
data->need_long_memory_training = false;
/*
* PPMCME_FirmwareDescriptorEntry *pfd = NULL;
pfd = &tonga_mcmeFirmware;
if (0 == PHM_READ_FIELD(hwmgr->device, MC_SEQ_SUP_CNTL, RUN))
polaris10_load_mc_microcode(hwmgr, pfd->dpmThreshold,
pfd->cfgArray, pfd->cfgSize, pfd->ioDebugArray,
pfd->ioDebugSize, pfd->ucodeArray, pfd->ucodeSize);
*/
return 0;
}
/**
* Read clock related registers.
*
* @param hwmgr the address of the powerplay hardware manager.
* @return always 0
*/
static int polaris10_read_clock_registers(struct pp_hwmgr *hwmgr)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
data->clock_registers.vCG_SPLL_FUNC_CNTL = cgs_read_ind_register(hwmgr->device,
CGS_IND_REG__SMC, ixCG_SPLL_FUNC_CNTL)
& CG_SPLL_FUNC_CNTL__SPLL_BYPASS_EN_MASK;
data->clock_registers.vCG_SPLL_FUNC_CNTL_2 = cgs_read_ind_register(hwmgr->device,
CGS_IND_REG__SMC, ixCG_SPLL_FUNC_CNTL_2)
& CG_SPLL_FUNC_CNTL_2__SCLK_MUX_SEL_MASK;
data->clock_registers.vCG_SPLL_FUNC_CNTL_4 = cgs_read_ind_register(hwmgr->device,
CGS_IND_REG__SMC, ixCG_SPLL_FUNC_CNTL_4)
& CG_SPLL_FUNC_CNTL_4__SPLL_SPARE_MASK;
return 0;
}
/**
* Find out if memory is GDDR5.
*
* @param hwmgr the address of the powerplay hardware manager.
* @return always 0
*/
static int polaris10_get_memory_type(struct pp_hwmgr *hwmgr)
{
struct polaris10_hwmgr *data = (struct polaris10_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 polaris10_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 polaris10_init_power_gate_state(struct pp_hwmgr *hwmgr)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
data->uvd_power_gated = false;
data->vce_power_gated = false;
data->samu_power_gated = false;
return 0;
}
static int polaris10_init_sclk_threshold(struct pp_hwmgr *hwmgr)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
data->low_sclk_interrupt_threshold = 0;
return 0;
}
int polaris10_setup_asic_task(struct pp_hwmgr *hwmgr)
{
int tmp_result, result = 0;
polaris10_upload_mc_firmware(hwmgr);
tmp_result = polaris10_read_clock_registers(hwmgr);
PP_ASSERT_WITH_CODE((0 == tmp_result),
"Failed to read clock registers!", result = tmp_result);
tmp_result = polaris10_get_memory_type(hwmgr);
PP_ASSERT_WITH_CODE((0 == tmp_result),
"Failed to get memory type!", result = tmp_result);
tmp_result = polaris10_enable_acpi_power_management(hwmgr);
PP_ASSERT_WITH_CODE((0 == tmp_result),
"Failed to enable ACPI power management!", result = tmp_result);
tmp_result = polaris10_init_power_gate_state(hwmgr);
PP_ASSERT_WITH_CODE((0 == tmp_result),
"Failed to init power gate state!", result = tmp_result);
tmp_result = phm_get_mc_microcode_version(hwmgr);
PP_ASSERT_WITH_CODE((0 == tmp_result),
"Failed to get MC microcode version!", result = tmp_result);
tmp_result = polaris10_init_sclk_threshold(hwmgr);
PP_ASSERT_WITH_CODE((0 == tmp_result),
"Failed to init sclk threshold!", result = tmp_result);
return result;
}
static int polaris10_get_pp_table(struct pp_hwmgr *hwmgr, char **table)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
if (!data->soft_pp_table) {
data->soft_pp_table = kmemdup(hwmgr->soft_pp_table,
hwmgr->soft_pp_table_size,
GFP_KERNEL);
if (!data->soft_pp_table)
return -ENOMEM;
}
*table = (char *)&data->soft_pp_table;
return hwmgr->soft_pp_table_size;
}
static int polaris10_set_pp_table(struct pp_hwmgr *hwmgr, const char *buf, size_t size)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
if (!data->soft_pp_table) {
data->soft_pp_table = kzalloc(hwmgr->soft_pp_table_size, GFP_KERNEL);
if (!data->soft_pp_table)
return -ENOMEM;
}
memcpy(data->soft_pp_table, buf, size);
hwmgr->soft_pp_table = data->soft_pp_table;
/* TODO: re-init powerplay to implement modified pptable */
return 0;
}
static int polaris10_force_clock_level(struct pp_hwmgr *hwmgr,
enum pp_clock_type type, uint32_t mask)
{
struct polaris10_hwmgr *data = (struct polaris10_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 uint16_t polaris10_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 polaris10_print_clock_levels(struct pp_hwmgr *hwmgr,
enum pp_clock_type type, char *buf)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
struct polaris10_single_dpm_table *sclk_table = &(data->dpm_table.sclk_table);
struct polaris10_single_dpm_table *mclk_table = &(data->dpm_table.mclk_table);
struct polaris10_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 = polaris10_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 polaris10_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))
polaris10_fan_ctrl_stop_smc_fan_control(hwmgr);
polaris10_fan_ctrl_set_static_mode(hwmgr, mode);
} else
/* restart auto-manage */
polaris10_fan_ctrl_reset_fan_speed_to_default(hwmgr);
return 0;
}
static int polaris10_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 const struct pp_hwmgr_func polaris10_hwmgr_funcs = {
.backend_init = &polaris10_hwmgr_backend_init,
.backend_fini = &polaris10_hwmgr_backend_fini,
.asic_setup = &polaris10_setup_asic_task,
.dynamic_state_management_enable = &polaris10_enable_dpm_tasks,
.apply_state_adjust_rules = polaris10_apply_state_adjust_rules,
.force_dpm_level = &polaris10_force_dpm_level,
.power_state_set = polaris10_set_power_state_tasks,
.get_power_state_size = polaris10_get_power_state_size,
.get_mclk = polaris10_dpm_get_mclk,
.get_sclk = polaris10_dpm_get_sclk,
.patch_boot_state = polaris10_dpm_patch_boot_state,
.get_pp_table_entry = polaris10_get_pp_table_entry,
.get_num_of_pp_table_entries = tonga_get_number_of_powerplay_table_entries,
.print_current_perforce_level = polaris10_print_current_perforce_level,
.powerdown_uvd = polaris10_phm_powerdown_uvd,
.powergate_uvd = polaris10_phm_powergate_uvd,
.powergate_vce = polaris10_phm_powergate_vce,
.disable_clock_power_gating = polaris10_phm_disable_clock_power_gating,
.update_clock_gatings = polaris10_phm_update_clock_gatings,
.notify_smc_display_config_after_ps_adjustment = polaris10_notify_smc_display_config_after_ps_adjustment,
.display_config_changed = polaris10_display_configuration_changed_task,
.set_max_fan_pwm_output = polaris10_set_max_fan_pwm_output,
.set_max_fan_rpm_output = polaris10_set_max_fan_rpm_output,
.get_temperature = polaris10_thermal_get_temperature,
.stop_thermal_controller = polaris10_thermal_stop_thermal_controller,
.get_fan_speed_info = polaris10_fan_ctrl_get_fan_speed_info,
.get_fan_speed_percent = polaris10_fan_ctrl_get_fan_speed_percent,
.set_fan_speed_percent = polaris10_fan_ctrl_set_fan_speed_percent,
.reset_fan_speed_to_default = polaris10_fan_ctrl_reset_fan_speed_to_default,
.get_fan_speed_rpm = polaris10_fan_ctrl_get_fan_speed_rpm,
.set_fan_speed_rpm = polaris10_fan_ctrl_set_fan_speed_rpm,
.uninitialize_thermal_controller = polaris10_thermal_ctrl_uninitialize_thermal_controller,
.register_internal_thermal_interrupt = polaris10_register_internal_thermal_interrupt,
.check_smc_update_required_for_display_configuration = polaris10_check_smc_update_required_for_display_configuration,
.check_states_equal = polaris10_check_states_equal,
.set_fan_control_mode = polaris10_set_fan_control_mode,
.get_fan_control_mode = polaris10_get_fan_control_mode,
.get_pp_table = polaris10_get_pp_table,
.set_pp_table = polaris10_set_pp_table,
.force_clock_level = polaris10_force_clock_level,
.print_clock_levels = polaris10_print_clock_levels,
.enable_per_cu_power_gating = polaris10_phm_enable_per_cu_power_gating,
};
int polaris10_hwmgr_init(struct pp_hwmgr *hwmgr)
{
struct polaris10_hwmgr *data;
data = kzalloc (sizeof(struct polaris10_hwmgr), GFP_KERNEL);
if (data == NULL)
return -ENOMEM;
hwmgr->backend = data;
hwmgr->hwmgr_func = &polaris10_hwmgr_funcs;
hwmgr->pptable_func = &tonga_pptable_funcs;
pp_polaris10_thermal_initialize(hwmgr);
return 0;
}