From 2a702ccd9a79f6fc23fdb07a410a5f6533ac8f78 Mon Sep 17 00:00:00 2001 From: Rex Zhu Date: Wed, 17 Aug 2016 15:48:30 +0800 Subject: drm/amd/powerplay: enable power containment features for tonga. v2: fix build error introduced when fix code style problems. Signed-off-by: Rex Zhu Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile b/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile index c264cb6..abbcbc9 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile @@ -4,7 +4,7 @@ HARDWARE_MGR = hwmgr.o processpptables.o functiontables.o \ hardwaremanager.o pp_acpi.o cz_hwmgr.o \ - cz_clockpowergating.o \ + cz_clockpowergating.o tonga_powertune.o\ tonga_processpptables.o ppatomctrl.o \ tonga_hwmgr.o pppcielanes.o tonga_thermal.o\ fiji_powertune.o fiji_hwmgr.o tonga_clockpowergating.o \ diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c index c7dc111..e7c281f 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c @@ -302,6 +302,8 @@ void tonga_initialize_dpm_defaults(struct pp_hwmgr *hwmgr) phm_cap_set(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_DisableMemoryTransition); + tonga_initialize_power_tune_defaults(hwmgr); + data->mclk_strobe_mode_threshold = 40000; data->mclk_stutter_mode_threshold = 30000; data->mclk_edc_enable_threshold = 40000; @@ -2479,7 +2481,7 @@ static int tonga_populate_single_graphic_level(struct pp_hwmgr *hwmgr, uint32_t graphic_level->VoltageDownHyst = 0; graphic_level->PowerThrottle = 0; - threshold = engine_clock * data->fast_watemark_threshold / 100; + threshold = engine_clock * data->fast_watermark_threshold / 100; /* *get the DAL clock. do it in funture. PECI_GetMinClockSettings(hwmgr->peci, &minClocks); @@ -2982,6 +2984,10 @@ int tonga_init_smc_table(struct pp_hwmgr *hwmgr) PP_ASSERT_WITH_CODE(0 == result, "Failed to initialize Boot Level!", return result;); + result = tonga_populate_bapm_parameters_in_dpm_table(hwmgr); + PP_ASSERT_WITH_CODE(result == 0, + "Failed to populate BAPM Parameters!", return result); + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_ClockStretcher)) { result = tonga_populate_clock_stretcher_data_table(hwmgr); @@ -4370,6 +4376,10 @@ int tonga_enable_dpm_tasks(struct pp_hwmgr *hwmgr) PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to initialize ARB table index!", result = tmp_result); + tmp_result = tonga_populate_pm_fuses(hwmgr); + PP_ASSERT_WITH_CODE((tmp_result == 0), + "Failed to populate PM fuses!", result = tmp_result); + tmp_result = tonga_populate_initial_mc_reg_table(hwmgr); PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to populate initialize MC Reg table!", result = tmp_result); @@ -4388,6 +4398,18 @@ int tonga_enable_dpm_tasks(struct pp_hwmgr *hwmgr) PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to start DPM!", result = tmp_result); + tmp_result = tonga_enable_smc_cac(hwmgr); + PP_ASSERT_WITH_CODE((tmp_result == 0), + "Failed to enable SMC CAC!", result = tmp_result); + + tmp_result = tonga_enable_power_containment(hwmgr); + PP_ASSERT_WITH_CODE((tmp_result == 0), + "Failed to enable power containment!", result = tmp_result); + + tmp_result = tonga_power_control_set_level(hwmgr); + PP_ASSERT_WITH_CODE((tmp_result == 0), + "Failed to power control set level!", result = tmp_result); + return result; } diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.h b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.h index 3961884..fcad942 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.h +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.h @@ -300,6 +300,7 @@ struct tonga_hwmgr { bool dll_defaule_on; bool performance_request_registered; + /* ----------------- Low Power Features ---------------------*/ phw_tonga_bacos bacos; phw_tonga_ulv_parm ulv; @@ -314,10 +315,14 @@ struct tonga_hwmgr { bool enable_tdc_limit_feature; bool enable_pkg_pwr_tracking_feature; bool disable_uvd_power_tune_feature; - phw_tonga_pt_defaults *power_tune_defaults; + struct tonga_pt_defaults *power_tune_defaults; SMU72_Discrete_PmFuses power_tune_table; - uint32_t ul_dte_tj_offset; /* Fudge factor in DPM table to correct HW DTE errors */ - uint32_t fast_watemark_threshold; /* use fast watermark if clock is equal or above this. In percentage of the target high sclk. */ + uint32_t dte_tj_offset; /* Fudge factor in DPM table to correct HW DTE errors */ + uint32_t fast_watermark_threshold; /* use fast watermark if clock is equal or above this. In percentage of the target high sclk. */ + + + bool enable_dte_feature; + /* ----------------- Phase Shedding ---------------------*/ bool vddc_phase_shed_control; diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_powertune.c b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_powertune.c new file mode 100644 index 0000000..9496ade --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_powertune.c @@ -0,0 +1,498 @@ +/* + * 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 "tonga_hwmgr.h" +#include "tonga_powertune.h" +#include "tonga_smumgr.h" +#include "smu72_discrete.h" +#include "pp_debug.h" +#include "tonga_ppsmc.h" + +#define VOLTAGE_SCALE 4 +#define POWERTUNE_DEFAULT_SET_MAX 1 + +struct tonga_pt_defaults tonga_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 tonga_initialize_power_tune_defaults(struct pp_hwmgr *hwmgr) +{ + struct tonga_hwmgr *tonga_hwmgr = (struct tonga_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) + tonga_hwmgr->power_tune_defaults = + &tonga_power_tune_data_set_array + [table_info->cac_dtp_table->usPowerTuneDataSetID - 1]; + else + tonga_hwmgr->power_tune_defaults = &tonga_power_tune_data_set_array[0]; + + /* 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); + + tonga_hwmgr->dte_tj_offset = tmp; + + if (!tmp) { + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_CAC); + + tonga_hwmgr->fast_watermark_threshold = 100; + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_PowerContainment)) { + tmp = 1; + tonga_hwmgr->enable_dte_feature = tmp ? false : true; + tonga_hwmgr->enable_tdc_limit_feature = tmp ? true : false; + tonga_hwmgr->enable_pkg_pwr_tracking_feature = tmp ? true : false; + } + } +} + + +int tonga_populate_bapm_parameters_in_dpm_table(struct pp_hwmgr *hwmgr) +{ + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); + struct tonga_pt_defaults *defaults = data->power_tune_defaults; + SMU72_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; + int i, j, k; + uint16_t *pdef1; + uint16_t *pdef2; + + + /* 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 * 256)); + dpm_table->TargetTdp = PP_HOST_TO_SMC_US( + (uint16_t)(cac_dtp_table->usConfigurableTDP * 256)); + + 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->dte_ambient_temp_base; + + dpm_table->BAPM_TEMP_GRADIENT = PP_HOST_TO_SMC_UL(defaults->bamp_temp_gradient); + pdef1 = defaults->bapmti_r; + pdef2 = defaults->bapmti_rc; + + for (i = 0; i < SMU72_DTE_ITERATIONS; i++) { + for (j = 0; j < SMU72_DTE_SOURCES; j++) { + for (k = 0; k < SMU72_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 tonga_populate_svi_load_line(struct pp_hwmgr *hwmgr) +{ + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); + const struct tonga_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 tonga_populate_tdc_limit(struct pp_hwmgr *hwmgr) +{ + uint16_t tdc_limit; + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + const struct tonga_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 * 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 tonga_populate_dw8(struct pp_hwmgr *hwmgr, uint32_t fuse_table_offset) +{ + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); + const struct tonga_pt_defaults *defaults = data->power_tune_defaults; + uint32_t temp; + + if (tonga_read_smc_sram_dword(hwmgr->smumgr, + fuse_table_offset + + offsetof(SMU72_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 tonga_populate_temperature_scaler(struct pp_hwmgr *hwmgr) +{ + int i; + struct tonga_hwmgr *data = (struct tonga_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 tonga_populate_fuzzy_fan(struct pp_hwmgr *hwmgr) +{ + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); + + if ((hwmgr->thermal_controller.advanceFanControlParameters. + usFanOutputSensitivity & (1 << 15)) || + (hwmgr->thermal_controller.advanceFanControlParameters.usFanOutputSensitivity == 0)) + 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 tonga_populate_gnb_lpml(struct pp_hwmgr *hwmgr) +{ + int i; + struct tonga_hwmgr *data = (struct tonga_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 tonga_min_max_vgnb_lpml_id_from_bapm_vddc(struct pp_hwmgr *hwmgr) +{ + return 0; +} + +static int tonga_populate_bapm_vddc_base_leakage_sidd(struct pp_hwmgr *hwmgr) +{ + struct tonga_hwmgr *data = (struct tonga_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 tonga_populate_pm_fuses(struct pp_hwmgr *hwmgr) +{ + struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend); + uint32_t pm_fuse_table_offset; + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_PowerContainment)) { + if (tonga_read_smc_sram_dword(hwmgr->smumgr, + SMU72_FIRMWARE_HEADER_LOCATION + + offsetof(SMU72_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 (tonga_populate_svi_load_line(hwmgr)) + PP_ASSERT_WITH_CODE(false, + "Attempt to populate SviLoadLine Failed!", + return -EINVAL); + /* DW7 */ + if (tonga_populate_tdc_limit(hwmgr)) + PP_ASSERT_WITH_CODE(false, + "Attempt to populate TDCLimit Failed!", return -EINVAL); + /* DW8 */ + if (tonga_populate_dw8(hwmgr, pm_fuse_table_offset)) + PP_ASSERT_WITH_CODE(false, + "Attempt to populate TdcWaterfallCtl Failed !", + return -EINVAL); + + /* DW9-DW12 */ + if (tonga_populate_temperature_scaler(hwmgr) != 0) + PP_ASSERT_WITH_CODE(false, + "Attempt to populate LPMLTemperatureScaler Failed!", + return -EINVAL); + + /* DW13-DW14 */ + if (tonga_populate_fuzzy_fan(hwmgr)) + PP_ASSERT_WITH_CODE(false, + "Attempt to populate Fuzzy Fan Control parameters Failed!", + return -EINVAL); + + /* DW15-DW18 */ + if (tonga_populate_gnb_lpml(hwmgr)) + PP_ASSERT_WITH_CODE(false, + "Attempt to populate GnbLPML Failed!", + return -EINVAL); + + /* DW19 */ + if (tonga_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 (tonga_populate_bapm_vddc_base_leakage_sidd(hwmgr)) + PP_ASSERT_WITH_CODE(false, + "Attempt to populate BapmVddCBaseLeakage Hi and Lo Sidd Failed!", + return -EINVAL); + + if (tonga_copy_bytes_to_smc(hwmgr->smumgr, pm_fuse_table_offset, + (uint8_t *)&data->power_tune_table, + sizeof(struct SMU72_Discrete_PmFuses), data->sram_end)) + PP_ASSERT_WITH_CODE(false, + "Attempt to download PmFuseTable Failed!", + return -EINVAL); + } + return 0; +} + +int tonga_enable_smc_cac(struct pp_hwmgr *hwmgr) +{ + struct tonga_hwmgr *data = (struct tonga_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((smc_result == 0), + "Failed to enable CAC in SMC.", result = -1); + + data->cac_enabled = (smc_result == 0) ? true : false; + } + return result; +} + +int tonga_disable_smc_cac(struct pp_hwmgr *hwmgr) +{ + struct tonga_hwmgr *data = (struct tonga_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 tonga_set_power_limit(struct pp_hwmgr *hwmgr, uint32_t n) +{ + struct tonga_hwmgr *data = (struct tonga_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 tonga_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 tonga_enable_power_containment(struct pp_hwmgr *hwmgr) +{ + struct tonga_hwmgr *data = (struct tonga_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((smc_result == 0), + "Failed to enable DTE in SMC.", result = -1;); + if (smc_result == 0) + 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((smc_result == 0), + "Failed to enable TDCLimit in SMC.", result = -1;); + if (smc_result == 0) + 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((smc_result == 0), + "Failed to enable PkgPwrTracking in SMC.", result = -1;); + if (smc_result == 0) { + 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 (tonga_set_power_limit(hwmgr, default_limit)) + printk(KERN_ERR "Failed to set Default Power Limit in SMC!"); + } + } + } + return result; +} + +int tonga_disable_power_containment(struct pp_hwmgr *hwmgr) +{ + struct tonga_hwmgr *data = (struct tonga_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 tonga_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 = tonga_set_overdriver_target_tdp(hwmgr, (uint32_t)target_tdp); + } + + return result; +} diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_powertune.h b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_powertune.h index 8e6670b..c8bdb92 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_powertune.h +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_powertune.h @@ -35,20 +35,23 @@ enum _phw_tonga_ptc_config_reg_type { typedef enum _phw_tonga_ptc_config_reg_type phw_tonga_ptc_config_reg_type; /* PowerContainment Features */ +#define POWERCONTAINMENT_FEATURE_DTE 0x00000001 + + +/* PowerContainment Features */ #define POWERCONTAINMENT_FEATURE_BAPM 0x00000001 #define POWERCONTAINMENT_FEATURE_TDCLimit 0x00000002 #define POWERCONTAINMENT_FEATURE_PkgPwrLimit 0x00000004 -struct _phw_tonga_pt_config_reg { +struct tonga_pt_config_reg { uint32_t Offset; uint32_t Mask; uint32_t Shift; uint32_t Value; phw_tonga_ptc_config_reg_type Type; }; -typedef struct _phw_tonga_pt_config_reg phw_tonga_pt_config_reg; -struct _phw_tonga_pt_defaults { +struct tonga_pt_defaults { uint8_t svi_load_line_en; uint8_t svi_load_line_vddC; uint8_t tdc_vddc_throttle_release_limit_perc; @@ -60,7 +63,18 @@ struct _phw_tonga_pt_defaults { uint16_t bapmti_r[SMU72_DTE_ITERATIONS * SMU72_DTE_SOURCES * SMU72_DTE_SINKS]; uint16_t bapmti_rc[SMU72_DTE_ITERATIONS * SMU72_DTE_SOURCES * SMU72_DTE_SINKS]; }; -typedef struct _phw_tonga_pt_defaults phw_tonga_pt_defaults; + + + +void tonga_initialize_power_tune_defaults(struct pp_hwmgr *hwmgr); +int tonga_populate_bapm_parameters_in_dpm_table(struct pp_hwmgr *hwmgr); +int tonga_populate_pm_fuses(struct pp_hwmgr *hwmgr); +int tonga_enable_smc_cac(struct pp_hwmgr *hwmgr); +int tonga_disable_smc_cac(struct pp_hwmgr *hwmgr); +int tonga_enable_power_containment(struct pp_hwmgr *hwmgr); +int tonga_disable_power_containment(struct pp_hwmgr *hwmgr); +int tonga_set_power_limit(struct pp_hwmgr *hwmgr, uint32_t n); +int tonga_power_control_set_level(struct pp_hwmgr *hwmgr); #endif -- cgit v0.10.2