mirror of https://gitee.com/openkylin/linux.git
161 lines
6.0 KiB
C
161 lines
6.0 KiB
C
/*
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* Copyright 2016 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#include "hwmgr.h"
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#include "vega10_hwmgr.h"
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#include "vega10_powertune.h"
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#include "vega10_smumgr.h"
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#include "vega10_ppsmc.h"
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#include "pp_debug.h"
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void vega10_initialize_power_tune_defaults(struct pp_hwmgr *hwmgr)
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{
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struct vega10_hwmgr *data = (struct vega10_hwmgr *)(hwmgr->backend);
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struct phm_ppt_v2_information *table_info =
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(struct phm_ppt_v2_information *)(hwmgr->pptable);
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struct phm_tdp_table *tdp_table = table_info->tdp_table;
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PPTable_t *table = &(data->smc_state_table.pp_table);
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table->SocketPowerLimit = cpu_to_le16(
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tdp_table->usMaximumPowerDeliveryLimit);
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table->TdcLimit = cpu_to_le16(tdp_table->usTDC);
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table->EdcLimit = cpu_to_le16(tdp_table->usEDCLimit);
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table->TedgeLimit = cpu_to_le16(tdp_table->usTemperatureLimitTedge);
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table->ThotspotLimit = cpu_to_le16(tdp_table->usTemperatureLimitHotspot);
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table->ThbmLimit = cpu_to_le16(tdp_table->usTemperatureLimitHBM);
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table->Tvr_socLimit = cpu_to_le16(tdp_table->usTemperatureLimitVrVddc);
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table->Tvr_memLimit = cpu_to_le16(tdp_table->usTemperatureLimitVrMvdd);
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table->Tliquid1Limit = cpu_to_le16(tdp_table->usTemperatureLimitLiquid1);
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table->Tliquid2Limit = cpu_to_le16(tdp_table->usTemperatureLimitLiquid2);
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table->TplxLimit = cpu_to_le16(tdp_table->usTemperatureLimitPlx);
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table->LoadLineResistance =
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hwmgr->platform_descriptor.LoadLineSlope * 256;
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table->FitLimit = 0; /* Not used for Vega10 */
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table->Liquid1_I2C_address = tdp_table->ucLiquid1_I2C_address;
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table->Liquid2_I2C_address = tdp_table->ucLiquid2_I2C_address;
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table->Vr_I2C_address = tdp_table->ucVr_I2C_address;
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table->Plx_I2C_address = tdp_table->ucPlx_I2C_address;
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table->Liquid_I2C_LineSCL = tdp_table->ucLiquid_I2C_Line;
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table->Liquid_I2C_LineSDA = tdp_table->ucLiquid_I2C_LineSDA;
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table->Vr_I2C_LineSCL = tdp_table->ucVr_I2C_Line;
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table->Vr_I2C_LineSDA = tdp_table->ucVr_I2C_LineSDA;
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table->Plx_I2C_LineSCL = tdp_table->ucPlx_I2C_Line;
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table->Plx_I2C_LineSDA = tdp_table->ucPlx_I2C_LineSDA;
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}
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int vega10_set_power_limit(struct pp_hwmgr *hwmgr, uint32_t n)
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{
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struct vega10_hwmgr *data =
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(struct vega10_hwmgr *)(hwmgr->backend);
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if (data->registry_data.enable_pkg_pwr_tracking_feature)
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return smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
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PPSMC_MSG_SetPptLimit, n);
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return 0;
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}
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int vega10_enable_power_containment(struct pp_hwmgr *hwmgr)
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{
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struct vega10_hwmgr *data =
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(struct vega10_hwmgr *)(hwmgr->backend);
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struct phm_ppt_v2_information *table_info =
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(struct phm_ppt_v2_information *)(hwmgr->pptable);
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struct phm_tdp_table *tdp_table = table_info->tdp_table;
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uint32_t default_pwr_limit =
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(uint32_t)(tdp_table->usMaximumPowerDeliveryLimit);
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int result = 0;
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if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
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PHM_PlatformCaps_PowerContainment)) {
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if (data->smu_features[GNLD_PPT].supported)
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PP_ASSERT_WITH_CODE(!vega10_enable_smc_features(hwmgr->smumgr,
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true, data->smu_features[GNLD_PPT].smu_feature_bitmap),
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"Attempt to enable PPT feature Failed!",
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data->smu_features[GNLD_PPT].supported = false);
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if (data->smu_features[GNLD_TDC].supported)
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PP_ASSERT_WITH_CODE(!vega10_enable_smc_features(hwmgr->smumgr,
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true, data->smu_features[GNLD_TDC].smu_feature_bitmap),
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"Attempt to enable PPT feature Failed!",
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data->smu_features[GNLD_TDC].supported = false);
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result = vega10_set_power_limit(hwmgr, default_pwr_limit);
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PP_ASSERT_WITH_CODE(!result,
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"Failed to set Default Power Limit in SMC!",
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return result);
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}
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return result;
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}
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int vega10_disable_power_containment(struct pp_hwmgr *hwmgr)
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{
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struct vega10_hwmgr *data =
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(struct vega10_hwmgr *)(hwmgr->backend);
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if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
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PHM_PlatformCaps_PowerContainment)) {
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if (data->smu_features[GNLD_PPT].supported)
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PP_ASSERT_WITH_CODE(!vega10_enable_smc_features(hwmgr->smumgr,
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false, data->smu_features[GNLD_PPT].smu_feature_bitmap),
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"Attempt to disable PPT feature Failed!",
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data->smu_features[GNLD_PPT].supported = false);
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if (data->smu_features[GNLD_TDC].supported)
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PP_ASSERT_WITH_CODE(!vega10_enable_smc_features(hwmgr->smumgr,
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false, data->smu_features[GNLD_TDC].smu_feature_bitmap),
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"Attempt to disable PPT feature Failed!",
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data->smu_features[GNLD_TDC].supported = false);
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}
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return 0;
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}
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static int vega10_set_overdrive_target_percentage(struct pp_hwmgr *hwmgr,
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uint32_t adjust_percent)
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{
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return smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
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PPSMC_MSG_OverDriveSetPercentage, adjust_percent);
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}
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int vega10_power_control_set_level(struct pp_hwmgr *hwmgr)
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{
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int adjust_percent, result = 0;
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if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
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PHM_PlatformCaps_PowerContainment)) {
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adjust_percent =
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hwmgr->platform_descriptor.TDPAdjustmentPolarity ?
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hwmgr->platform_descriptor.TDPAdjustment :
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(-1 * hwmgr->platform_descriptor.TDPAdjustment);
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result = vega10_set_overdrive_target_percentage(hwmgr,
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(uint32_t)adjust_percent);
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}
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return result;
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}
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