diff options
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/hwmgr/vega10_powertune.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/hwmgr/vega10_powertune.c | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_powertune.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_powertune.c new file mode 100644 index 000000000000..3f72268e99bb --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_powertune.c @@ -0,0 +1,160 @@ +/* + * 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. + * + */ + +#include "hwmgr.h" +#include "vega10_hwmgr.h" +#include "vega10_powertune.h" +#include "vega10_smumgr.h" +#include "vega10_ppsmc.h" +#include "pp_debug.h" + +void vega10_initialize_power_tune_defaults(struct pp_hwmgr *hwmgr) +{ + struct vega10_hwmgr *data = (struct vega10_hwmgr *)(hwmgr->backend); + struct phm_ppt_v2_information *table_info = + (struct phm_ppt_v2_information *)(hwmgr->pptable); + struct phm_tdp_table *tdp_table = table_info->tdp_table; + PPTable_t *table = &(data->smc_state_table.pp_table); + + table->SocketPowerLimit = cpu_to_le16( + tdp_table->usMaximumPowerDeliveryLimit); + table->TdcLimit = cpu_to_le16(tdp_table->usTDC); + table->EdcLimit = cpu_to_le16(tdp_table->usEDCLimit); + table->TedgeLimit = cpu_to_le16(tdp_table->usTemperatureLimitTedge); + table->ThotspotLimit = cpu_to_le16(tdp_table->usTemperatureLimitHotspot); + table->ThbmLimit = cpu_to_le16(tdp_table->usTemperatureLimitHBM); + table->Tvr_socLimit = cpu_to_le16(tdp_table->usTemperatureLimitVrVddc); + table->Tvr_memLimit = cpu_to_le16(tdp_table->usTemperatureLimitVrMvdd); + table->Tliquid1Limit = cpu_to_le16(tdp_table->usTemperatureLimitLiquid1); + table->Tliquid2Limit = cpu_to_le16(tdp_table->usTemperatureLimitLiquid2); + table->TplxLimit = cpu_to_le16(tdp_table->usTemperatureLimitPlx); + table->LoadLineResistance = + hwmgr->platform_descriptor.LoadLineSlope * 256; + table->FitLimit = 0; /* Not used for Vega10 */ + + table->Liquid1_I2C_address = tdp_table->ucLiquid1_I2C_address; + table->Liquid2_I2C_address = tdp_table->ucLiquid2_I2C_address; + table->Vr_I2C_address = tdp_table->ucVr_I2C_address; + table->Plx_I2C_address = tdp_table->ucPlx_I2C_address; + + table->Liquid_I2C_LineSCL = tdp_table->ucLiquid_I2C_Line; + table->Liquid_I2C_LineSDA = tdp_table->ucLiquid_I2C_LineSDA; + + table->Vr_I2C_LineSCL = tdp_table->ucVr_I2C_Line; + table->Vr_I2C_LineSDA = tdp_table->ucVr_I2C_LineSDA; + + table->Plx_I2C_LineSCL = tdp_table->ucPlx_I2C_Line; + table->Plx_I2C_LineSDA = tdp_table->ucPlx_I2C_LineSDA; +} + +int vega10_set_power_limit(struct pp_hwmgr *hwmgr, uint32_t n) +{ + struct vega10_hwmgr *data = + (struct vega10_hwmgr *)(hwmgr->backend); + + if (data->registry_data.enable_pkg_pwr_tracking_feature) + return smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_SetPptLimit, n); + + return 0; +} + +int vega10_enable_power_containment(struct pp_hwmgr *hwmgr) +{ + struct vega10_hwmgr *data = + (struct vega10_hwmgr *)(hwmgr->backend); + struct phm_ppt_v2_information *table_info = + (struct phm_ppt_v2_information *)(hwmgr->pptable); + struct phm_tdp_table *tdp_table = table_info->tdp_table; + uint32_t default_pwr_limit = + (uint32_t)(tdp_table->usMaximumPowerDeliveryLimit); + int result = 0; + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_PowerContainment)) { + if (data->smu_features[GNLD_PPT].supported) + PP_ASSERT_WITH_CODE(!vega10_enable_smc_features(hwmgr->smumgr, + true, data->smu_features[GNLD_PPT].smu_feature_bitmap), + "Attempt to enable PPT feature Failed!", + data->smu_features[GNLD_PPT].supported = false); + + if (data->smu_features[GNLD_TDC].supported) + PP_ASSERT_WITH_CODE(!vega10_enable_smc_features(hwmgr->smumgr, + true, data->smu_features[GNLD_TDC].smu_feature_bitmap), + "Attempt to enable PPT feature Failed!", + data->smu_features[GNLD_TDC].supported = false); + + result = vega10_set_power_limit(hwmgr, default_pwr_limit); + PP_ASSERT_WITH_CODE(!result, + "Failed to set Default Power Limit in SMC!", + return result); + } + + return result; +} + +int vega10_disable_power_containment(struct pp_hwmgr *hwmgr) +{ + struct vega10_hwmgr *data = + (struct vega10_hwmgr *)(hwmgr->backend); + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_PowerContainment)) { + if (data->smu_features[GNLD_PPT].supported) + PP_ASSERT_WITH_CODE(!vega10_enable_smc_features(hwmgr->smumgr, + false, data->smu_features[GNLD_PPT].smu_feature_bitmap), + "Attempt to disable PPT feature Failed!", + data->smu_features[GNLD_PPT].supported = false); + + if (data->smu_features[GNLD_TDC].supported) + PP_ASSERT_WITH_CODE(!vega10_enable_smc_features(hwmgr->smumgr, + false, data->smu_features[GNLD_TDC].smu_feature_bitmap), + "Attempt to disable PPT feature Failed!", + data->smu_features[GNLD_TDC].supported = false); + } + + return 0; +} + +static int vega10_set_overdrive_target_percentage(struct pp_hwmgr *hwmgr, + uint32_t adjust_percent) +{ + return smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_OverDriveSetPercentage, adjust_percent); +} + +int vega10_power_control_set_level(struct pp_hwmgr *hwmgr) +{ + int adjust_percent, result = 0; + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_PowerContainment)) { + adjust_percent = + hwmgr->platform_descriptor.TDPAdjustmentPolarity ? + hwmgr->platform_descriptor.TDPAdjustment : + (-1 * hwmgr->platform_descriptor.TDPAdjustment); + result = vega10_set_overdrive_target_percentage(hwmgr, + (uint32_t)adjust_percent); + } + return result; +} |