drivers/gpu/drm/amd/powerplay/hwmgr/vega10_powertune.c

   1 /*
   2  * Copyright 2016 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  */
  23
  24 #include "hwmgr.h"
  25 #include "vega10_hwmgr.h"
  26 #include "vega10_powertune.h"
  27 #include "vega10_smumgr.h"
  28 #include "vega10_ppsmc.h"
  29 #include "pp_debug.h"
  30
  31 void vega10_initialize_power_tune_defaults(struct pp_hwmgr *hwmgr)
  32 {
  33         struct vega10_hwmgr *data = (struct vega10_hwmgr *)(hwmgr->backend);
  34         struct phm_ppt_v2_information *table_info =
  35                         (struct phm_ppt_v2_information *)(hwmgr->pptable);
  36         struct phm_tdp_table *tdp_table = table_info->tdp_table;
  37         PPTable_t *table = &(data->smc_state_table.pp_table);
  38
  39         table->SocketPowerLimit = cpu_to_le16(
  40                         tdp_table->usMaximumPowerDeliveryLimit);
  41         table->TdcLimit = cpu_to_le16(tdp_table->usTDC);
  42         table->EdcLimit = cpu_to_le16(tdp_table->usEDCLimit);
  43         table->TedgeLimit = cpu_to_le16(tdp_table->usTemperatureLimitTedge);
  44         table->ThotspotLimit = cpu_to_le16(tdp_table->usTemperatureLimitHotspot);
  45         table->ThbmLimit = cpu_to_le16(tdp_table->usTemperatureLimitHBM);
  46         table->Tvr_socLimit = cpu_to_le16(tdp_table->usTemperatureLimitVrVddc);
  47         table->Tvr_memLimit = cpu_to_le16(tdp_table->usTemperatureLimitVrMvdd);
  48         table->Tliquid1Limit = cpu_to_le16(tdp_table->usTemperatureLimitLiquid1);
  49         table->Tliquid2Limit = cpu_to_le16(tdp_table->usTemperatureLimitLiquid2);
  50         table->TplxLimit = cpu_to_le16(tdp_table->usTemperatureLimitPlx);
  51         table->LoadLineResistance =
  52                         hwmgr->platform_descriptor.LoadLineSlope * 256;
  53         table->FitLimit = 0; /* Not used for Vega10 */
  54
  55         table->Liquid1_I2C_address = tdp_table->ucLiquid1_I2C_address;
  56         table->Liquid2_I2C_address = tdp_table->ucLiquid2_I2C_address;
  57         table->Vr_I2C_address = tdp_table->ucVr_I2C_address;
  58         table->Plx_I2C_address = tdp_table->ucPlx_I2C_address;
  59
  60         table->Liquid_I2C_LineSCL = tdp_table->ucLiquid_I2C_Line;
  61         table->Liquid_I2C_LineSDA = tdp_table->ucLiquid_I2C_LineSDA;
  62
  63         table->Vr_I2C_LineSCL = tdp_table->ucVr_I2C_Line;
  64         table->Vr_I2C_LineSDA = tdp_table->ucVr_I2C_LineSDA;
  65
  66         table->Plx_I2C_LineSCL = tdp_table->ucPlx_I2C_Line;
  67         table->Plx_I2C_LineSDA = tdp_table->ucPlx_I2C_LineSDA;
  68 }
  69
  70 int vega10_set_power_limit(struct pp_hwmgr *hwmgr, uint32_t n)
  71 {
  72         struct vega10_hwmgr *data =
  73                         (struct vega10_hwmgr *)(hwmgr->backend);
  74
  75         if (data->registry_data.enable_pkg_pwr_tracking_feature)
  76                 return smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
  77                                 PPSMC_MSG_SetPptLimit, n);
  78
  79         return 0;
  80 }
  81
  82 int vega10_enable_power_containment(struct pp_hwmgr *hwmgr)
  83 {
  84         struct vega10_hwmgr *data =
  85                         (struct vega10_hwmgr *)(hwmgr->backend);
  86         struct phm_ppt_v2_information *table_info =
  87                         (struct phm_ppt_v2_information *)(hwmgr->pptable);
  88         struct phm_tdp_table *tdp_table = table_info->tdp_table;
  89         uint32_t default_pwr_limit =
  90                         (uint32_t)(tdp_table->usMaximumPowerDeliveryLimit);
  91         int result = 0;
  92
  93         if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
  94                         PHM_PlatformCaps_PowerContainment)) {
  95                 if (data->smu_features[GNLD_PPT].supported)
  96                         PP_ASSERT_WITH_CODE(!vega10_enable_smc_features(hwmgr->smumgr,
  97                                         true, data->smu_features[GNLD_PPT].smu_feature_bitmap),
  98                                         "Attempt to enable PPT feature Failed!",
  99                                         data->smu_features[GNLD_PPT].supported = false);
 100
 101                 if (data->smu_features[GNLD_TDC].supported)
 102                         PP_ASSERT_WITH_CODE(!vega10_enable_smc_features(hwmgr->smumgr,
 103                                         true, data->smu_features[GNLD_TDC].smu_feature_bitmap),
 104                                         "Attempt to enable PPT feature Failed!",
 105                                         data->smu_features[GNLD_TDC].supported = false);
 106
 107                 result = vega10_set_power_limit(hwmgr, default_pwr_limit);
 108                 PP_ASSERT_WITH_CODE(!result,
 109                                 "Failed to set Default Power Limit in SMC!",
 110                                 return result);
 111         }
 112
 113         return result;
 114 }
 115
 116 int vega10_disable_power_containment(struct pp_hwmgr *hwmgr)
 117 {
 118         struct vega10_hwmgr *data =
 119                         (struct vega10_hwmgr *)(hwmgr->backend);
 120
 121         if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
 122                         PHM_PlatformCaps_PowerContainment)) {
 123                 if (data->smu_features[GNLD_PPT].supported)
 124                         PP_ASSERT_WITH_CODE(!vega10_enable_smc_features(hwmgr->smumgr,
 125                                         false, data->smu_features[GNLD_PPT].smu_feature_bitmap),
 126                                         "Attempt to disable PPT feature Failed!",
 127                                         data->smu_features[GNLD_PPT].supported = false);
 128
 129                 if (data->smu_features[GNLD_TDC].supported)
 130                         PP_ASSERT_WITH_CODE(!vega10_enable_smc_features(hwmgr->smumgr,
 131                                         false, data->smu_features[GNLD_TDC].smu_feature_bitmap),
 132                                         "Attempt to disable PPT feature Failed!",
 133                                         data->smu_features[GNLD_TDC].supported = false);
 134         }
 135
 136         return 0;
 137 }
 138
 139 static int vega10_set_overdrive_target_percentage(struct pp_hwmgr *hwmgr,
 140                 uint32_t adjust_percent)
 141 {
 142         return smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
 143                         PPSMC_MSG_OverDriveSetPercentage, adjust_percent);
 144 }
 145
 146 int vega10_power_control_set_level(struct pp_hwmgr *hwmgr)
 147 {
 148         int adjust_percent, result = 0;
 149
 150         if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
 151                         PHM_PlatformCaps_PowerContainment)) {
 152                 adjust_percent =
 153                                 hwmgr->platform_descriptor.TDPAdjustmentPolarity ?
 154                                 hwmgr->platform_descriptor.TDPAdjustment :
 155                                 (-1 * hwmgr->platform_descriptor.TDPAdjustment);
 156                 result = vega10_set_overdrive_target_percentage(hwmgr,
 157                                 (uint32_t)adjust_percent);
 158         }
 159         return result;
 160 }