diff options
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/hwmgr/iceland_powertune.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/hwmgr/iceland_powertune.c | 490 |
1 files changed, 0 insertions, 490 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/iceland_powertune.c b/drivers/gpu/drm/amd/powerplay/hwmgr/iceland_powertune.c deleted file mode 100644 index 041e9648e592..000000000000 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/iceland_powertune.c +++ /dev/null @@ -1,490 +0,0 @@ -/* - * Copyright 2016 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. - * - * Author: Huang Rui <ray.huang@amd.com> - * - */ - -#include "amdgpu.h" -#include "hwmgr.h" -#include "smumgr.h" -#include "iceland_hwmgr.h" -#include "iceland_powertune.h" -#include "iceland_smumgr.h" -#include "smu71_discrete.h" -#include "smu71.h" -#include "pp_debug.h" -#include "cgs_common.h" -#include "pp_endian.h" - -#include "bif/bif_5_0_d.h" -#include "bif/bif_5_0_sh_mask.h" - -#define VOLTAGE_SCALE 4 -#define POWERTUNE_DEFAULT_SET_MAX 1 - -#define DEVICE_ID_VI_ICELAND_M_6900 0x6900 -#define DEVICE_ID_VI_ICELAND_M_6901 0x6901 -#define DEVICE_ID_VI_ICELAND_M_6902 0x6902 -#define DEVICE_ID_VI_ICELAND_M_6903 0x6903 - - -struct iceland_pt_defaults defaults_iceland = -{ - /* - * sviLoadLIneEn, SviLoadLineVddC, TDC_VDDC_ThrottleReleaseLimitPerc, - * TDC_MAWt, TdcWaterfallCtl, DTEAmbientTempBase, DisplayCac, BAPM_TEMP_GRADIENT - */ - 1, 0xF, 0xFD, 0x19, 5, 45, 0, 0xB0000, - { 0x79, 0x253, 0x25D, 0xAE, 0x72, 0x80, 0x83, 0x86, 0x6F, 0xC8, 0xC9, 0xC9, 0x2F, 0x4D, 0x61 }, - { 0x17C, 0x172, 0x180, 0x1BC, 0x1B3, 0x1BD, 0x206, 0x200, 0x203, 0x25D, 0x25A, 0x255, 0x2C3, 0x2C5, 0x2B4 } -}; - -/* 35W - XT, XTL */ -struct iceland_pt_defaults defaults_icelandxt = -{ - /* - * sviLoadLIneEn, SviLoadLineVddC, - * TDC_VDDC_ThrottleReleaseLimitPerc, TDC_MAWt, - * TdcWaterfallCtl, DTEAmbientTempBase, DisplayCac, - * BAPM_TEMP_GRADIENT - */ - 1, 0xF, 0xFD, 0x19, 5, 45, 0, 0x0, - { 0xA7, 0x0, 0x0, 0xB5, 0x0, 0x0, 0x9F, 0x0, 0x0, 0xD6, 0x0, 0x0, 0xD7, 0x0, 0x0}, - { 0x1EA, 0x0, 0x0, 0x224, 0x0, 0x0, 0x25E, 0x0, 0x0, 0x28E, 0x0, 0x0, 0x2AB, 0x0, 0x0} -}; - -/* 25W - PRO, LE */ -struct iceland_pt_defaults defaults_icelandpro = -{ - /* - * sviLoadLIneEn, SviLoadLineVddC, - * TDC_VDDC_ThrottleReleaseLimitPerc, TDC_MAWt, - * TdcWaterfallCtl, DTEAmbientTempBase, DisplayCac, - * BAPM_TEMP_GRADIENT - */ - 1, 0xF, 0xFD, 0x19, 5, 45, 0, 0x0, - { 0xB7, 0x0, 0x0, 0xC3, 0x0, 0x0, 0xB5, 0x0, 0x0, 0xEA, 0x0, 0x0, 0xE6, 0x0, 0x0}, - { 0x1EA, 0x0, 0x0, 0x224, 0x0, 0x0, 0x25E, 0x0, 0x0, 0x28E, 0x0, 0x0, 0x2AB, 0x0, 0x0} -}; - -void iceland_initialize_power_tune_defaults(struct pp_hwmgr *hwmgr) -{ - struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); - uint32_t tmp = 0; - struct cgs_system_info sys_info = {0}; - uint32_t pdev_id; - - sys_info.size = sizeof(struct cgs_system_info); - sys_info.info_id = CGS_SYSTEM_INFO_PCIE_DEV; - cgs_query_system_info(hwmgr->device, &sys_info); - pdev_id = (uint32_t)sys_info.value; - - switch (pdev_id) { - case DEVICE_ID_VI_ICELAND_M_6900: - case DEVICE_ID_VI_ICELAND_M_6903: - data->power_tune_defaults = &defaults_icelandxt; - break; - - case DEVICE_ID_VI_ICELAND_M_6901: - case DEVICE_ID_VI_ICELAND_M_6902: - data->power_tune_defaults = &defaults_icelandpro; - break; - default: - /* TODO: need to assign valid defaults */ - data->power_tune_defaults = &defaults_iceland; - pr_warning("Unknown V.I. Device ID.\n"); - break; - } - - /* Assume disabled */ - phm_cap_unset(hwmgr->platform_descriptor.platformCaps, - PHM_PlatformCaps_PowerContainment); - phm_cap_unset(hwmgr->platform_descriptor.platformCaps, - PHM_PlatformCaps_CAC); - 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); - - data->ul_dte_tj_offset = tmp; - - if (!tmp) { - phm_cap_set(hwmgr->platform_descriptor.platformCaps, - PHM_PlatformCaps_CAC); - - data->fast_watermark_threshold = 100; - - if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, - PHM_PlatformCaps_PowerContainment)) { - tmp = 1; - data->enable_dte_feature = tmp ? false : true; - data->enable_tdc_limit_feature = tmp ? true : false; - data->enable_pkg_pwr_tracking_feature = tmp ? true : false; - } - } -} - -int iceland_populate_bapm_parameters_in_dpm_table(struct pp_hwmgr *hwmgr) -{ - struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); - struct iceland_pt_defaults *defaults = data->power_tune_defaults; - SMU71_Discrete_DpmTable *dpm_table = &(data->smc_state_table); - struct phm_cac_tdp_table *cac_dtp_table = hwmgr->dyn_state.cac_dtp_table; - struct phm_ppm_table *ppm = hwmgr->dyn_state.ppm_parameter_table; - uint16_t *def1, *def2; - int i, j, k; - - /* - * TDP number of fraction bits are changed from 8 to 7 for Iceland - * as requested by SMC team - */ - dpm_table->DefaultTdp = PP_HOST_TO_SMC_US((uint16_t)(cac_dtp_table->usTDP * 256)); - dpm_table->TargetTdp = PP_HOST_TO_SMC_US((uint16_t)(cac_dtp_table->usConfigurableTDP * 256)); - - dpm_table->DTETjOffset = (uint8_t)data->ul_dte_tj_offset; - - dpm_table->GpuTjMax = (uint8_t)(data->thermal_temp_setting.temperature_high / PP_TEMPERATURE_UNITS_PER_CENTIGRADES); - dpm_table->GpuTjHyst = 8; - - dpm_table->DTEAmbientTempBase = defaults->dte_ambient_temp_base; - - /* The following are for new Iceland Multi-input fan/thermal control */ - if(NULL != ppm) { - dpm_table->PPM_PkgPwrLimit = (uint16_t)ppm->dgpu_tdp * 256 / 1000; - dpm_table->PPM_TemperatureLimit = (uint16_t)ppm->tj_max * 256; - } else { - dpm_table->PPM_PkgPwrLimit = 0; - dpm_table->PPM_TemperatureLimit = 0; - } - - CONVERT_FROM_HOST_TO_SMC_US(dpm_table->PPM_PkgPwrLimit); - CONVERT_FROM_HOST_TO_SMC_US(dpm_table->PPM_TemperatureLimit); - - dpm_table->BAPM_TEMP_GRADIENT = PP_HOST_TO_SMC_UL(defaults->bamp_temp_gradient); - def1 = defaults->bapmti_r; - def2 = defaults->bapmti_rc; - - for (i = 0; i < SMU71_DTE_ITERATIONS; i++) { - for (j = 0; j < SMU71_DTE_SOURCES; j++) { - for (k = 0; k < SMU71_DTE_SINKS; k++) { - dpm_table->BAPMTI_R[i][j][k] = PP_HOST_TO_SMC_US(*def1); - dpm_table->BAPMTI_RC[i][j][k] = PP_HOST_TO_SMC_US(*def2); - def1++; - def2++; - } - } - } - - return 0; -} - -static int iceland_populate_svi_load_line(struct pp_hwmgr *hwmgr) -{ - struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); - const struct iceland_pt_defaults *defaults = data->power_tune_defaults; - - data->power_tune_table.SviLoadLineEn = defaults->svi_load_line_en; - data->power_tune_table.SviLoadLineVddC = defaults->svi_load_line_vddc; - data->power_tune_table.SviLoadLineTrimVddC = 3; - data->power_tune_table.SviLoadLineOffsetVddC = 0; - - return 0; -} - -static int iceland_populate_tdc_limit(struct pp_hwmgr *hwmgr) -{ - uint16_t tdc_limit; - struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); - const struct iceland_pt_defaults *defaults = data->power_tune_defaults; - - /* TDC number of fraction bits are changed from 8 to 7 - * for Iceland as requested by SMC team - */ - tdc_limit = (uint16_t)(hwmgr->dyn_state.cac_dtp_table->usTDC * 256); - data->power_tune_table.TDC_VDDC_PkgLimit = - CONVERT_FROM_HOST_TO_SMC_US(tdc_limit); - data->power_tune_table.TDC_VDDC_ThrottleReleaseLimitPerc = - defaults->tdc_vddc_throttle_release_limit_perc; - data->power_tune_table.TDC_MAWt = defaults->tdc_mawt; - - return 0; -} - -static int iceland_populate_dw8(struct pp_hwmgr *hwmgr, uint32_t fuse_table_offset) -{ - struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); - const struct iceland_pt_defaults *defaults = data->power_tune_defaults; - uint32_t temp; - - if (iceland_read_smc_sram_dword(hwmgr->smumgr, - fuse_table_offset + - offsetof(SMU71_Discrete_PmFuses, TdcWaterfallCtl), - (uint32_t *)&temp, data->sram_end)) - PP_ASSERT_WITH_CODE(false, - "Attempt to read PmFuses.DW6 (SviLoadLineEn) from SMC Failed!", - return -EINVAL); - else - data->power_tune_table.TdcWaterfallCtl = defaults->tdc_waterfall_ctl; - - return 0; -} - -static int iceland_populate_temperature_scaler(struct pp_hwmgr *hwmgr) -{ - return 0; -} - -static int iceland_populate_gnb_lpml(struct pp_hwmgr *hwmgr) -{ - int i; - struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); - - /* Currently not used. Set all to zero. */ - for (i = 0; i < 8; i++) - data->power_tune_table.GnbLPML[i] = 0; - - return 0; -} - -static int iceland_min_max_vgnb_lpml_id_from_bapm_vddc(struct pp_hwmgr *hwmgr) -{ - return 0; -} - -static int iceland_populate_bapm_vddc_base_leakage_sidd(struct pp_hwmgr *hwmgr) -{ - struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); - uint16_t HiSidd = data->power_tune_table.BapmVddCBaseLeakageHiSidd; - uint16_t LoSidd = data->power_tune_table.BapmVddCBaseLeakageLoSidd; - struct phm_cac_tdp_table *cac_table = hwmgr->dyn_state.cac_dtp_table; - - HiSidd = (uint16_t)(cac_table->usHighCACLeakage / 100 * 256); - LoSidd = (uint16_t)(cac_table->usLowCACLeakage / 100 * 256); - - data->power_tune_table.BapmVddCBaseLeakageHiSidd = - CONVERT_FROM_HOST_TO_SMC_US(HiSidd); - data->power_tune_table.BapmVddCBaseLeakageLoSidd = - CONVERT_FROM_HOST_TO_SMC_US(LoSidd); - - return 0; -} - -int iceland_populate_pm_fuses(struct pp_hwmgr *hwmgr) -{ - struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); - uint32_t pm_fuse_table_offset; - - if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, - PHM_PlatformCaps_PowerContainment)) { - if (iceland_read_smc_sram_dword(hwmgr->smumgr, - SMU71_FIRMWARE_HEADER_LOCATION + - offsetof(SMU71_Firmware_Header, PmFuseTable), - &pm_fuse_table_offset, data->sram_end)) - PP_ASSERT_WITH_CODE(false, - "Attempt to get pm_fuse_table_offset Failed!", - return -EINVAL); - - /* DW0 - DW3 */ - if (iceland_populate_bapm_vddc_vid_sidd(hwmgr)) - PP_ASSERT_WITH_CODE(false, - "Attempt to populate bapm vddc vid Failed!", - return -EINVAL); - - /* DW4 - DW5 */ - if (iceland_populate_vddc_vid(hwmgr)) - PP_ASSERT_WITH_CODE(false, - "Attempt to populate vddc vid Failed!", - return -EINVAL); - - /* DW6 */ - if (iceland_populate_svi_load_line(hwmgr)) - PP_ASSERT_WITH_CODE(false, - "Attempt to populate SviLoadLine Failed!", - return -EINVAL); - /* DW7 */ - if (iceland_populate_tdc_limit(hwmgr)) - PP_ASSERT_WITH_CODE(false, - "Attempt to populate TDCLimit Failed!", return -EINVAL); - /* DW8 */ - if (iceland_populate_dw8(hwmgr, pm_fuse_table_offset)) - PP_ASSERT_WITH_CODE(false, - "Attempt to populate TdcWaterfallCtl, " - "LPMLTemperature Min and Max Failed!", - return -EINVAL); - - /* DW9-DW12 */ - if (0 != iceland_populate_temperature_scaler(hwmgr)) - PP_ASSERT_WITH_CODE(false, - "Attempt to populate LPMLTemperatureScaler Failed!", - return -EINVAL); - - /* DW13-DW16 */ - if (iceland_populate_gnb_lpml(hwmgr)) - PP_ASSERT_WITH_CODE(false, - "Attempt to populate GnbLPML Failed!", - return -EINVAL); - - /* DW17 */ - if (iceland_min_max_vgnb_lpml_id_from_bapm_vddc(hwmgr)) - PP_ASSERT_WITH_CODE(false, - "Attempt to populate GnbLPML Min and Max Vid Failed!", - return -EINVAL); - - /* DW18 */ - if (iceland_populate_bapm_vddc_base_leakage_sidd(hwmgr)) - PP_ASSERT_WITH_CODE(false, - "Attempt to populate BapmVddCBaseLeakage Hi and Lo Sidd Failed!", - return -EINVAL); - - if (iceland_copy_bytes_to_smc(hwmgr->smumgr, pm_fuse_table_offset, - (uint8_t *)&data->power_tune_table, - sizeof(struct SMU71_Discrete_PmFuses), data->sram_end)) - PP_ASSERT_WITH_CODE(false, - "Attempt to download PmFuseTable Failed!", - return -EINVAL); - } - return 0; -} - -int iceland_enable_smc_cac(struct pp_hwmgr *hwmgr) -{ - struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); - int result = 0; - - if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, - PHM_PlatformCaps_CAC)) { - int smc_result; - smc_result = smum_send_msg_to_smc(hwmgr->smumgr, - (uint16_t)(PPSMC_MSG_EnableCac)); - PP_ASSERT_WITH_CODE((0 == smc_result), - "Failed to enable CAC in SMC.", result = -1); - - data->cac_enabled = (0 == smc_result) ? true : false; - } - return result; -} - -static int iceland_set_power_limit(struct pp_hwmgr *hwmgr, uint32_t n) -{ - struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); - - if(data->power_containment_features & - POWERCONTAINMENT_FEATURE_PkgPwrLimit) - return smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, - PPSMC_MSG_PkgPwrSetLimit, n); - return 0; -} - -static int iceland_set_overdriver_target_tdp(struct pp_hwmgr *pHwMgr, uint32_t target_tdp) -{ - return smum_send_msg_to_smc_with_parameter(pHwMgr->smumgr, - PPSMC_MSG_OverDriveSetTargetTdp, target_tdp); -} - -int iceland_enable_power_containment(struct pp_hwmgr *hwmgr) -{ - struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend); - SMU71_Discrete_DpmTable *dpm_table = &data->smc_state_table; - int smc_result; - int result = 0; - uint32_t is_asic_kicker; - - data->power_containment_features = 0; - if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, - PHM_PlatformCaps_PowerContainment)) { - is_asic_kicker = cgs_read_register(hwmgr->device, mmCC_BIF_BX_STRAP2); - is_asic_kicker = (is_asic_kicker >> 12) & 0x01; - - if (data->enable_bapm_feature && - (!is_asic_kicker || - phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, - PHM_PlatformCaps_DisableUsingActualTemperatureForPowerCalc))) { - smc_result = smum_send_msg_to_smc(hwmgr->smumgr, - (uint16_t)(PPSMC_MSG_EnableDTE)); - PP_ASSERT_WITH_CODE((0 == smc_result), - "Failed to enable BAPM in SMC.", result = -1;); - if (0 == smc_result) - data->power_containment_features |= POWERCONTAINMENT_FEATURE_BAPM; - } - - if (is_asic_kicker && !phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, - PHM_PlatformCaps_DisableUsingActualTemperatureForPowerCalc)) - dpm_table->DTEMode = 2; - - if (data->enable_tdc_limit_feature) { - smc_result = smum_send_msg_to_smc(hwmgr->smumgr, - (uint16_t)(PPSMC_MSG_TDCLimitEnable)); - PP_ASSERT_WITH_CODE((0 == smc_result), - "Failed to enable TDCLimit in SMC.", result = -1;); - if (0 == smc_result) - data->power_containment_features |= - POWERCONTAINMENT_FEATURE_TDCLimit; - } - - if (data->enable_pkg_pwr_tracking_feature) { - smc_result = smum_send_msg_to_smc(hwmgr->smumgr, - (uint16_t)(PPSMC_MSG_PkgPwrLimitEnable)); - PP_ASSERT_WITH_CODE((0 == smc_result), - "Failed to enable PkgPwrTracking in SMC.", result = -1;); - if (0 == smc_result) { - struct phm_cac_tdp_table *cac_table = - hwmgr->dyn_state.cac_dtp_table; - uint32_t default_limit = - (uint32_t)(cac_table->usMaximumPowerDeliveryLimit * 256); - - data->power_containment_features |= - POWERCONTAINMENT_FEATURE_PkgPwrLimit; - - if (iceland_set_power_limit(hwmgr, default_limit)) - printk(KERN_ERR "Failed to set Default Power Limit in SMC!"); - } - } - } - return result; -} - -int iceland_power_control_set_level(struct pp_hwmgr *hwmgr) -{ - struct phm_cac_tdp_table *cac_table = hwmgr->dyn_state.cac_dtp_table; - int adjust_percent, target_tdp; - int result = 0; - - if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, - PHM_PlatformCaps_PowerContainment)) { - /* adjustment percentage has already been validated */ - adjust_percent = hwmgr->platform_descriptor.TDPAdjustmentPolarity ? - hwmgr->platform_descriptor.TDPAdjustment : - (-1 * hwmgr->platform_descriptor.TDPAdjustment); - /* - * SMC requested that target_tdp to be 7 bit fraction in DPM table - * but message to be 8 bit fraction for messages - */ - target_tdp = ((100 + adjust_percent) * (int)(cac_table->usTDP * 256)) / 100; - result = iceland_set_overdriver_target_tdp(hwmgr, (uint32_t)target_tdp); - } - - return result; -} |