diff options
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_powertune.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_powertune.c | 398 |
1 files changed, 398 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_powertune.c b/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_powertune.c new file mode 100644 index 000000000000..0b99ab3ba0c5 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_powertune.c @@ -0,0 +1,398 @@ +/* + * 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 "polaris10_hwmgr.h" +#include "polaris10_powertune.h" +#include "polaris10_smumgr.h" +#include "smu74_discrete.h" +#include "pp_debug.h" + +#define VOLTAGE_SCALE 4 +#define POWERTUNE_DEFAULT_SET_MAX 1 + +static const struct polaris10_pt_defaults polaris10_power_tune_data_set_array[POWERTUNE_DEFAULT_SET_MAX] = { + /* 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 } }, +}; + +void polaris10_initialize_power_tune_defaults(struct pp_hwmgr *hwmgr) +{ + struct polaris10_hwmgr *polaris10_hwmgr = (struct polaris10_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + + if (table_info && + table_info->cac_dtp_table->usPowerTuneDataSetID <= POWERTUNE_DEFAULT_SET_MAX && + table_info->cac_dtp_table->usPowerTuneDataSetID) + polaris10_hwmgr->power_tune_defaults = + &polaris10_power_tune_data_set_array + [table_info->cac_dtp_table->usPowerTuneDataSetID - 1]; + else + polaris10_hwmgr->power_tune_defaults = &polaris10_power_tune_data_set_array[0]; + +} + +static uint16_t scale_fan_gain_settings(uint16_t raw_setting) +{ + uint32_t tmp; + tmp = raw_setting * 4096 / 100; + return (uint16_t)tmp; +} + +int polaris10_populate_bapm_parameters_in_dpm_table(struct pp_hwmgr *hwmgr) +{ + struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend); + const struct polaris10_pt_defaults *defaults = data->power_tune_defaults; + SMU74_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; + int i, j, k; + const uint16_t *pdef1; + const uint16_t *pdef2; + + 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->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->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)); + + pdef1 = defaults->BAPMTI_R; + pdef2 = defaults->BAPMTI_RC; + + for (i = 0; i < SMU74_DTE_ITERATIONS; i++) { + for (j = 0; j < SMU74_DTE_SOURCES; j++) { + for (k = 0; k < SMU74_DTE_SINKS; k++) { + dpm_table->BAPMTI_R[i][j][k] = PP_HOST_TO_SMC_US(*pdef1); + dpm_table->BAPMTI_RC[i][j][k] = PP_HOST_TO_SMC_US(*pdef2); + pdef1++; + pdef2++; + } + } + } + + return 0; +} + +static int polaris10_populate_svi_load_line(struct pp_hwmgr *hwmgr) +{ + struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend); + const struct polaris10_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 polaris10_populate_tdc_limit(struct pp_hwmgr *hwmgr) +{ + uint16_t tdc_limit; + struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + const struct polaris10_pt_defaults *defaults = data->power_tune_defaults; + + 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 polaris10_populate_dw8(struct pp_hwmgr *hwmgr, uint32_t fuse_table_offset) +{ + struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend); + const struct polaris10_pt_defaults *defaults = data->power_tune_defaults; + uint32_t temp; + + if (polaris10_read_smc_sram_dword(hwmgr->smumgr, + fuse_table_offset + + offsetof(SMU74_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 polaris10_populate_temperature_scaler(struct pp_hwmgr *hwmgr) +{ + int i; + struct polaris10_hwmgr *data = (struct polaris10_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 polaris10_populate_fuzzy_fan(struct pp_hwmgr *hwmgr) +{ + struct polaris10_hwmgr *data = (struct polaris10_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 polaris10_populate_gnb_lpml(struct pp_hwmgr *hwmgr) +{ + int i; + struct polaris10_hwmgr *data = (struct polaris10_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 polaris10_min_max_vgnb_lpml_id_from_bapm_vddc(struct pp_hwmgr *hwmgr) +{ + return 0; +} + +static int polaris10_populate_bapm_vddc_base_leakage_sidd(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); + uint16_t hi_sidd = data->power_tune_table.BapmVddCBaseLeakageHiSidd; + uint16_t lo_sidd = data->power_tune_table.BapmVddCBaseLeakageLoSidd; + struct phm_cac_tdp_table *cac_table = table_info->cac_dtp_table; + + hi_sidd = (uint16_t)(cac_table->usHighCACLeakage / 100 * 256); + lo_sidd = (uint16_t)(cac_table->usLowCACLeakage / 100 * 256); + + data->power_tune_table.BapmVddCBaseLeakageHiSidd = + CONVERT_FROM_HOST_TO_SMC_US(hi_sidd); + data->power_tune_table.BapmVddCBaseLeakageLoSidd = + CONVERT_FROM_HOST_TO_SMC_US(lo_sidd); + + return 0; +} + +int polaris10_populate_pm_fuses(struct pp_hwmgr *hwmgr) +{ + struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend); + uint32_t pm_fuse_table_offset; + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_PowerContainment)) { + if (polaris10_read_smc_sram_dword(hwmgr->smumgr, + SMU7_FIRMWARE_HEADER_LOCATION + + offsetof(SMU74_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); + + if (polaris10_populate_svi_load_line(hwmgr)) + PP_ASSERT_WITH_CODE(false, + "Attempt to populate SviLoadLine Failed!", + return -EINVAL); + + if (polaris10_populate_tdc_limit(hwmgr)) + PP_ASSERT_WITH_CODE(false, + "Attempt to populate TDCLimit Failed!", return -EINVAL); + + if (polaris10_populate_dw8(hwmgr, pm_fuse_table_offset)) + PP_ASSERT_WITH_CODE(false, + "Attempt to populate TdcWaterfallCtl, " + "LPMLTemperature Min and Max Failed!", + return -EINVAL); + + if (0 != polaris10_populate_temperature_scaler(hwmgr)) + PP_ASSERT_WITH_CODE(false, + "Attempt to populate LPMLTemperatureScaler Failed!", + return -EINVAL); + + if (polaris10_populate_fuzzy_fan(hwmgr)) + PP_ASSERT_WITH_CODE(false, + "Attempt to populate Fuzzy Fan Control parameters Failed!", + return -EINVAL); + + if (polaris10_populate_gnb_lpml(hwmgr)) + PP_ASSERT_WITH_CODE(false, + "Attempt to populate GnbLPML Failed!", + return -EINVAL); + + if (polaris10_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); + + if (polaris10_populate_bapm_vddc_base_leakage_sidd(hwmgr)) + PP_ASSERT_WITH_CODE(false, + "Attempt to populate BapmVddCBaseLeakage Hi and Lo " + "Sidd Failed!", return -EINVAL); + + if (polaris10_copy_bytes_to_smc(hwmgr->smumgr, pm_fuse_table_offset, + (uint8_t *)&data->power_tune_table, + sizeof(struct SMU74_Discrete_PmFuses), data->sram_end)) + PP_ASSERT_WITH_CODE(false, + "Attempt to download PmFuseTable Failed!", + return -EINVAL); + } + return 0; +} + +int polaris10_enable_smc_cac(struct pp_hwmgr *hwmgr) +{ + struct polaris10_hwmgr *data = (struct polaris10_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 polaris10_set_power_limit(struct pp_hwmgr *hwmgr, uint32_t n) +{ + struct polaris10_hwmgr *data = (struct polaris10_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 polaris10_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 polaris10_enable_power_containment(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 smc_result; + int result = 0; + + data->power_containment_features = 0; + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_PowerContainment)) { + + 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 (polaris10_set_power_limit(hwmgr, default_limit)) + printk(KERN_ERR "Failed to set Default Power Limit in SMC!"); + } + } + } + return result; +} + +int polaris10_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 = polaris10_set_overdriver_target_tdp(hwmgr, (uint32_t)target_tdp); + } + + return result; +} |