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, 490 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/iceland_powertune.c b/drivers/gpu/drm/amd/powerplay/hwmgr/iceland_powertune.c new file mode 100644 index 0000000..041e964 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/iceland_powertune.c @@ -0,0 +1,490 @@ +/* + * 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; +} |