diff options
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/hwmgr/fiji_powertune.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/hwmgr/fiji_powertune.c | 610 |
1 files changed, 0 insertions, 610 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_powertune.c b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_powertune.c deleted file mode 100644 index f5992ea0c56f..000000000000 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_powertune.c +++ /dev/null @@ -1,610 +0,0 @@ -/* - * 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 "hwmgr.h" -#include "smumgr.h" -#include "fiji_hwmgr.h" -#include "fiji_powertune.h" -#include "fiji_smumgr.h" -#include "smu73_discrete.h" -#include "pp_debug.h" - -#define VOLTAGE_SCALE 4 -#define POWERTUNE_DEFAULT_SET_MAX 1 - -const struct fiji_pt_defaults fiji_power_tune_data_set_array[POWERTUNE_DEFAULT_SET_MAX] = { - /*sviLoadLIneEn, SviLoadLineVddC, TDC_VDDC_ThrottleReleaseLimitPerc */ - {1, 0xF, 0xFD, - /* TDC_MAWt, TdcWaterfallCtl, DTEAmbientTempBase */ - 0x19, 5, 45} -}; - -void fiji_initialize_power_tune_defaults(struct pp_hwmgr *hwmgr) -{ - struct fiji_hwmgr *fiji_hwmgr = (struct fiji_hwmgr *)(hwmgr->backend); - struct phm_ppt_v1_information *table_info = - (struct phm_ppt_v1_information *)(hwmgr->pptable); - uint32_t tmp = 0; - - if(table_info && - table_info->cac_dtp_table->usPowerTuneDataSetID <= POWERTUNE_DEFAULT_SET_MAX && - table_info->cac_dtp_table->usPowerTuneDataSetID) - fiji_hwmgr->power_tune_defaults = - &fiji_power_tune_data_set_array - [table_info->cac_dtp_table->usPowerTuneDataSetID - 1]; - else - fiji_hwmgr->power_tune_defaults = &fiji_power_tune_data_set_array[0]; - - /* Assume disabled */ - 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); - - fiji_hwmgr->dte_tj_offset = tmp; - - if (!tmp) { - phm_cap_set(hwmgr->platform_descriptor.platformCaps, - PHM_PlatformCaps_CAC); - - fiji_hwmgr->fast_watermark_threshold = 100; - - if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, - PHM_PlatformCaps_PowerContainment)) { - tmp = 1; - fiji_hwmgr->enable_dte_feature = tmp ? false : true; - fiji_hwmgr->enable_tdc_limit_feature = tmp ? true : false; - fiji_hwmgr->enable_pkg_pwr_tracking_feature = tmp ? true : false; - } - } -} - -/* PPGen has the gain setting generated in x * 100 unit - * This function is to convert the unit to x * 4096(0x1000) unit. - * This is the unit expected by SMC firmware - */ -static uint16_t scale_fan_gain_settings(uint16_t raw_setting) -{ - uint32_t tmp; - tmp = raw_setting * 4096 / 100; - return (uint16_t)tmp; -} - -static void get_scl_sda_value(uint8_t line, uint8_t *scl, uint8_t* sda) -{ - switch (line) { - case Fiji_I2CLineID_DDC1 : - *scl = Fiji_I2C_DDC1CLK; - *sda = Fiji_I2C_DDC1DATA; - break; - case Fiji_I2CLineID_DDC2 : - *scl = Fiji_I2C_DDC2CLK; - *sda = Fiji_I2C_DDC2DATA; - break; - case Fiji_I2CLineID_DDC3 : - *scl = Fiji_I2C_DDC3CLK; - *sda = Fiji_I2C_DDC3DATA; - break; - case Fiji_I2CLineID_DDC4 : - *scl = Fiji_I2C_DDC4CLK; - *sda = Fiji_I2C_DDC4DATA; - break; - case Fiji_I2CLineID_DDC5 : - *scl = Fiji_I2C_DDC5CLK; - *sda = Fiji_I2C_DDC5DATA; - break; - case Fiji_I2CLineID_DDC6 : - *scl = Fiji_I2C_DDC6CLK; - *sda = Fiji_I2C_DDC6DATA; - break; - case Fiji_I2CLineID_SCLSDA : - *scl = Fiji_I2C_SCL; - *sda = Fiji_I2C_SDA; - break; - case Fiji_I2CLineID_DDCVGA : - *scl = Fiji_I2C_DDCVGACLK; - *sda = Fiji_I2C_DDCVGADATA; - break; - default: - *scl = 0; - *sda = 0; - break; - } -} - -int fiji_populate_bapm_parameters_in_dpm_table(struct pp_hwmgr *hwmgr) -{ - struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); - const struct fiji_pt_defaults *defaults = data->power_tune_defaults; - SMU73_Discrete_DpmTable *dpm_table = &(data->smc_state_table); - struct phm_ppt_v1_information *table_info = - (struct phm_ppt_v1_information *)(hwmgr->pptable); - struct phm_cac_tdp_table *cac_dtp_table = table_info->cac_dtp_table; - struct pp_advance_fan_control_parameters *fan_table= - &hwmgr->thermal_controller.advanceFanControlParameters; - uint8_t uc_scl, uc_sda; - - /* TDP number of fraction bits are changed from 8 to 7 for Fiji - * as requested by SMC team - */ - dpm_table->DefaultTdp = PP_HOST_TO_SMC_US( - (uint16_t)(cac_dtp_table->usTDP * 128)); - dpm_table->TargetTdp = PP_HOST_TO_SMC_US( - (uint16_t)(cac_dtp_table->usTDP * 128)); - - PP_ASSERT_WITH_CODE(cac_dtp_table->usTargetOperatingTemp <= 255, - "Target Operating Temp is out of Range!",); - - dpm_table->GpuTjMax = (uint8_t)(cac_dtp_table->usTargetOperatingTemp); - dpm_table->GpuTjHyst = 8; - - dpm_table->DTEAmbientTempBase = defaults->DTEAmbientTempBase; - - /* The following are for new Fiji Multi-input fan/thermal control */ - dpm_table->TemperatureLimitEdge = PP_HOST_TO_SMC_US( - cac_dtp_table->usTargetOperatingTemp * 256); - dpm_table->TemperatureLimitHotspot = PP_HOST_TO_SMC_US( - cac_dtp_table->usTemperatureLimitHotspot * 256); - dpm_table->TemperatureLimitLiquid1 = PP_HOST_TO_SMC_US( - cac_dtp_table->usTemperatureLimitLiquid1 * 256); - dpm_table->TemperatureLimitLiquid2 = PP_HOST_TO_SMC_US( - cac_dtp_table->usTemperatureLimitLiquid2 * 256); - dpm_table->TemperatureLimitVrVddc = PP_HOST_TO_SMC_US( - cac_dtp_table->usTemperatureLimitVrVddc * 256); - dpm_table->TemperatureLimitVrMvdd = PP_HOST_TO_SMC_US( - cac_dtp_table->usTemperatureLimitVrMvdd * 256); - dpm_table->TemperatureLimitPlx = PP_HOST_TO_SMC_US( - cac_dtp_table->usTemperatureLimitPlx * 256); - - dpm_table->FanGainEdge = PP_HOST_TO_SMC_US( - scale_fan_gain_settings(fan_table->usFanGainEdge)); - dpm_table->FanGainHotspot = PP_HOST_TO_SMC_US( - scale_fan_gain_settings(fan_table->usFanGainHotspot)); - dpm_table->FanGainLiquid = PP_HOST_TO_SMC_US( - scale_fan_gain_settings(fan_table->usFanGainLiquid)); - dpm_table->FanGainVrVddc = PP_HOST_TO_SMC_US( - scale_fan_gain_settings(fan_table->usFanGainVrVddc)); - dpm_table->FanGainVrMvdd = PP_HOST_TO_SMC_US( - scale_fan_gain_settings(fan_table->usFanGainVrMvdd)); - dpm_table->FanGainPlx = PP_HOST_TO_SMC_US( - scale_fan_gain_settings(fan_table->usFanGainPlx)); - dpm_table->FanGainHbm = PP_HOST_TO_SMC_US( - scale_fan_gain_settings(fan_table->usFanGainHbm)); - - dpm_table->Liquid1_I2C_address = cac_dtp_table->ucLiquid1_I2C_address; - dpm_table->Liquid2_I2C_address = cac_dtp_table->ucLiquid2_I2C_address; - dpm_table->Vr_I2C_address = cac_dtp_table->ucVr_I2C_address; - dpm_table->Plx_I2C_address = cac_dtp_table->ucPlx_I2C_address; - - get_scl_sda_value(cac_dtp_table->ucLiquid_I2C_Line, &uc_scl, &uc_sda); - dpm_table->Liquid_I2C_LineSCL = uc_scl; - dpm_table->Liquid_I2C_LineSDA = uc_sda; - - get_scl_sda_value(cac_dtp_table->ucVr_I2C_Line, &uc_scl, &uc_sda); - dpm_table->Vr_I2C_LineSCL = uc_scl; - dpm_table->Vr_I2C_LineSDA = uc_sda; - - get_scl_sda_value(cac_dtp_table->ucPlx_I2C_Line, &uc_scl, &uc_sda); - dpm_table->Plx_I2C_LineSCL = uc_scl; - dpm_table->Plx_I2C_LineSDA = uc_sda; - - return 0; -} - -static int fiji_populate_svi_load_line(struct pp_hwmgr *hwmgr) -{ - struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); - const struct fiji_pt_defaults *defaults = data->power_tune_defaults; - - data->power_tune_table.SviLoadLineEn = defaults->SviLoadLineEn; - data->power_tune_table.SviLoadLineVddC = defaults->SviLoadLineVddC; - data->power_tune_table.SviLoadLineTrimVddC = 3; - data->power_tune_table.SviLoadLineOffsetVddC = 0; - - return 0; -} - -static int fiji_populate_tdc_limit(struct pp_hwmgr *hwmgr) -{ - uint16_t tdc_limit; - struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); - struct phm_ppt_v1_information *table_info = - (struct phm_ppt_v1_information *)(hwmgr->pptable); - const struct fiji_pt_defaults *defaults = data->power_tune_defaults; - - /* TDC number of fraction bits are changed from 8 to 7 - * for Fiji as requested by SMC team - */ - tdc_limit = (uint16_t)(table_info->cac_dtp_table->usTDC * 128); - 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_ThrottleReleaseLimitPerc; - data->power_tune_table.TDC_MAWt = defaults->TDC_MAWt; - - return 0; -} - -static int fiji_populate_dw8(struct pp_hwmgr *hwmgr, uint32_t fuse_table_offset) -{ - struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); - const struct fiji_pt_defaults *defaults = data->power_tune_defaults; - uint32_t temp; - - if (fiji_read_smc_sram_dword(hwmgr->smumgr, - fuse_table_offset + - offsetof(SMU73_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->TdcWaterfallCtl; - data->power_tune_table.LPMLTemperatureMin = - (uint8_t)((temp >> 16) & 0xff); - data->power_tune_table.LPMLTemperatureMax = - (uint8_t)((temp >> 8) & 0xff); - data->power_tune_table.Reserved = (uint8_t)(temp & 0xff); - } - return 0; -} - -static int fiji_populate_temperature_scaler(struct pp_hwmgr *hwmgr) -{ - int i; - struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); - - /* Currently not used. Set all to zero. */ - for (i = 0; i < 16; i++) - data->power_tune_table.LPMLTemperatureScaler[i] = 0; - - return 0; -} - -static int fiji_populate_fuzzy_fan(struct pp_hwmgr *hwmgr) -{ - struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); - - if( (hwmgr->thermal_controller.advanceFanControlParameters. - usFanOutputSensitivity & (1 << 15)) || - 0 == hwmgr->thermal_controller.advanceFanControlParameters. - usFanOutputSensitivity ) - hwmgr->thermal_controller.advanceFanControlParameters. - usFanOutputSensitivity = hwmgr->thermal_controller. - advanceFanControlParameters.usDefaultFanOutputSensitivity; - - data->power_tune_table.FuzzyFan_PwmSetDelta = - PP_HOST_TO_SMC_US(hwmgr->thermal_controller. - advanceFanControlParameters.usFanOutputSensitivity); - return 0; -} - -static int fiji_populate_gnb_lpml(struct pp_hwmgr *hwmgr) -{ - int i; - struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); - - /* Currently not used. Set all to zero. */ - for (i = 0; i < 16; i++) - data->power_tune_table.GnbLPML[i] = 0; - - return 0; -} - -static int fiji_min_max_vgnb_lpml_id_from_bapm_vddc(struct pp_hwmgr *hwmgr) -{ - /* int i, min, max; - struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); - uint8_t * pHiVID = data->power_tune_table.BapmVddCVidHiSidd; - uint8_t * pLoVID = data->power_tune_table.BapmVddCVidLoSidd; - - min = max = pHiVID[0]; - for (i = 0; i < 8; i++) { - if (0 != pHiVID[i]) { - if (min > pHiVID[i]) - min = pHiVID[i]; - if (max < pHiVID[i]) - max = pHiVID[i]; - } - - if (0 != pLoVID[i]) { - if (min > pLoVID[i]) - min = pLoVID[i]; - if (max < pLoVID[i]) - max = pLoVID[i]; - } - } - - PP_ASSERT_WITH_CODE((0 != min) && (0 != max), "BapmVddcVidSidd table does not exist!", return int_Failed); - data->power_tune_table.GnbLPMLMaxVid = (uint8_t)max; - data->power_tune_table.GnbLPMLMinVid = (uint8_t)min; -*/ - return 0; -} - -static int fiji_populate_bapm_vddc_base_leakage_sidd(struct pp_hwmgr *hwmgr) -{ - struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); - struct phm_ppt_v1_information *table_info = - (struct phm_ppt_v1_information *)(hwmgr->pptable); - uint16_t HiSidd = data->power_tune_table.BapmVddCBaseLeakageHiSidd; - uint16_t LoSidd = data->power_tune_table.BapmVddCBaseLeakageLoSidd; - struct phm_cac_tdp_table *cac_table = table_info->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 fiji_populate_pm_fuses(struct pp_hwmgr *hwmgr) -{ - struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); - uint32_t pm_fuse_table_offset; - - if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, - PHM_PlatformCaps_PowerContainment)) { - if (fiji_read_smc_sram_dword(hwmgr->smumgr, - SMU7_FIRMWARE_HEADER_LOCATION + - offsetof(SMU73_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); - - /* DW6 */ - if (fiji_populate_svi_load_line(hwmgr)) - PP_ASSERT_WITH_CODE(false, - "Attempt to populate SviLoadLine Failed!", - return -EINVAL); - /* DW7 */ - if (fiji_populate_tdc_limit(hwmgr)) - PP_ASSERT_WITH_CODE(false, - "Attempt to populate TDCLimit Failed!", return -EINVAL); - /* DW8 */ - if (fiji_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 != fiji_populate_temperature_scaler(hwmgr)) - PP_ASSERT_WITH_CODE(false, - "Attempt to populate LPMLTemperatureScaler Failed!", - return -EINVAL); - - /* DW13-DW14 */ - if(fiji_populate_fuzzy_fan(hwmgr)) - PP_ASSERT_WITH_CODE(false, - "Attempt to populate Fuzzy Fan Control parameters Failed!", - return -EINVAL); - - /* DW15-DW18 */ - if (fiji_populate_gnb_lpml(hwmgr)) - PP_ASSERT_WITH_CODE(false, - "Attempt to populate GnbLPML Failed!", - return -EINVAL); - - /* DW19 */ - if (fiji_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); - - /* DW20 */ - if (fiji_populate_bapm_vddc_base_leakage_sidd(hwmgr)) - PP_ASSERT_WITH_CODE(false, - "Attempt to populate BapmVddCBaseLeakage Hi and Lo " - "Sidd Failed!", return -EINVAL); - - if (fiji_copy_bytes_to_smc(hwmgr->smumgr, pm_fuse_table_offset, - (uint8_t *)&data->power_tune_table, - sizeof(struct SMU73_Discrete_PmFuses), data->sram_end)) - PP_ASSERT_WITH_CODE(false, - "Attempt to download PmFuseTable Failed!", - return -EINVAL); - } - return 0; -} - -int fiji_enable_smc_cac(struct pp_hwmgr *hwmgr) -{ - struct fiji_hwmgr *data = (struct fiji_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; -} - -int fiji_disable_smc_cac(struct pp_hwmgr *hwmgr) -{ - struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); - int result = 0; - - if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, - PHM_PlatformCaps_CAC) && data->cac_enabled) { - int smc_result = smum_send_msg_to_smc(hwmgr->smumgr, - (uint16_t)(PPSMC_MSG_DisableCac)); - PP_ASSERT_WITH_CODE((smc_result == 0), - "Failed to disable CAC in SMC.", result = -1); - - data->cac_enabled = false; - } - return result; -} - -int fiji_set_power_limit(struct pp_hwmgr *hwmgr, uint32_t n) -{ - struct fiji_hwmgr *data = (struct fiji_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 fiji_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 fiji_enable_power_containment(struct pp_hwmgr *hwmgr) -{ - struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); - struct phm_ppt_v1_information *table_info = - (struct phm_ppt_v1_information *)(hwmgr->pptable); - int smc_result; - int result = 0; - - data->power_containment_features = 0; - if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, - PHM_PlatformCaps_PowerContainment)) { - if (data->enable_dte_feature) { - smc_result = smum_send_msg_to_smc(hwmgr->smumgr, - (uint16_t)(PPSMC_MSG_EnableDTE)); - PP_ASSERT_WITH_CODE((0 == smc_result), - "Failed to enable DTE in SMC.", result = -1;); - if (0 == smc_result) - data->power_containment_features |= POWERCONTAINMENT_FEATURE_DTE; - } - - 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 = - table_info->cac_dtp_table; - uint32_t default_limit = - (uint32_t)(cac_table->usMaximumPowerDeliveryLimit * 256); - - data->power_containment_features |= - POWERCONTAINMENT_FEATURE_PkgPwrLimit; - - if (fiji_set_power_limit(hwmgr, default_limit)) - printk(KERN_ERR "Failed to set Default Power Limit in SMC!"); - } - } - } - return result; -} - -int fiji_disable_power_containment(struct pp_hwmgr *hwmgr) -{ - struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); - int result = 0; - - if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, - PHM_PlatformCaps_PowerContainment) && - data->power_containment_features) { - int smc_result; - - if (data->power_containment_features & - POWERCONTAINMENT_FEATURE_TDCLimit) { - smc_result = smum_send_msg_to_smc(hwmgr->smumgr, - (uint16_t)(PPSMC_MSG_TDCLimitDisable)); - PP_ASSERT_WITH_CODE((smc_result == 0), - "Failed to disable TDCLimit in SMC.", - result = smc_result); - } - - if (data->power_containment_features & - POWERCONTAINMENT_FEATURE_DTE) { - smc_result = smum_send_msg_to_smc(hwmgr->smumgr, - (uint16_t)(PPSMC_MSG_DisableDTE)); - PP_ASSERT_WITH_CODE((smc_result == 0), - "Failed to disable DTE in SMC.", - result = smc_result); - } - - if (data->power_containment_features & - POWERCONTAINMENT_FEATURE_PkgPwrLimit) { - smc_result = smum_send_msg_to_smc(hwmgr->smumgr, - (uint16_t)(PPSMC_MSG_PkgPwrLimitDisable)); - PP_ASSERT_WITH_CODE((smc_result == 0), - "Failed to disable PkgPwrTracking in SMC.", - result = smc_result); - } - data->power_containment_features = 0; - } - - return result; -} - -int fiji_power_control_set_level(struct pp_hwmgr *hwmgr) -{ - struct phm_ppt_v1_information *table_info = - (struct phm_ppt_v1_information *)(hwmgr->pptable); - struct phm_cac_tdp_table *cac_table = table_info->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 = fiji_set_overdriver_target_tdp(hwmgr, (uint32_t)target_tdp); - } - - return result; -} |