root/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.c

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DEFINITIONS

This source file includes following definitions.
  1. vega10_get_current_rpm
  2. vega10_fan_ctrl_get_fan_speed_info
  3. vega10_fan_ctrl_get_fan_speed_percent
  4. vega10_fan_ctrl_get_fan_speed_rpm
  5. vega10_fan_ctrl_set_static_mode
  6. vega10_fan_ctrl_set_default_mode
  7. vega10_enable_fan_control_feature
  8. vega10_disable_fan_control_feature
  9. vega10_fan_ctrl_start_smc_fan_control
  10. vega10_fan_ctrl_stop_smc_fan_control
  11. vega10_fan_ctrl_set_fan_speed_percent
  12. vega10_fan_ctrl_reset_fan_speed_to_default
  13. vega10_fan_ctrl_set_fan_speed_rpm
  14. vega10_thermal_get_temperature
  15. vega10_thermal_set_temperature_range
  16. vega10_thermal_initialize
  17. vega10_thermal_enable_alert
  18. vega10_thermal_disable_alert
  19. vega10_thermal_stop_thermal_controller
  20. vega10_thermal_setup_fan_table
  21. vega10_enable_mgpu_fan_boost
  22. vega10_thermal_start_smc_fan_control
  23. vega10_start_thermal_controller
  24. vega10_thermal_ctrl_uninitialize_thermal_controller
   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 "vega10_thermal.h"
  25 #include "vega10_hwmgr.h"
  26 #include "vega10_smumgr.h"
  27 #include "vega10_ppsmc.h"
  28 #include "vega10_inc.h"
  29 #include "soc15_common.h"
  30 #include "pp_debug.h"
  31 
  32 static int vega10_get_current_rpm(struct pp_hwmgr *hwmgr, uint32_t *current_rpm)
  33 {
  34         smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrentRpm);
  35         *current_rpm = smum_get_argument(hwmgr);
  36         return 0;
  37 }
  38 
  39 int vega10_fan_ctrl_get_fan_speed_info(struct pp_hwmgr *hwmgr,
  40                 struct phm_fan_speed_info *fan_speed_info)
  41 {
  42 
  43         if (hwmgr->thermal_controller.fanInfo.bNoFan)
  44                 return 0;
  45 
  46         fan_speed_info->supports_percent_read = true;
  47         fan_speed_info->supports_percent_write = true;
  48         fan_speed_info->min_percent = 0;
  49         fan_speed_info->max_percent = 100;
  50 
  51         if (PP_CAP(PHM_PlatformCaps_FanSpeedInTableIsRPM) &&
  52                 hwmgr->thermal_controller.fanInfo.
  53                 ucTachometerPulsesPerRevolution) {
  54                 fan_speed_info->supports_rpm_read = true;
  55                 fan_speed_info->supports_rpm_write = true;
  56                 fan_speed_info->min_rpm =
  57                                 hwmgr->thermal_controller.fanInfo.ulMinRPM;
  58                 fan_speed_info->max_rpm =
  59                                 hwmgr->thermal_controller.fanInfo.ulMaxRPM;
  60         } else {
  61                 fan_speed_info->min_rpm = 0;
  62                 fan_speed_info->max_rpm = 0;
  63         }
  64 
  65         return 0;
  66 }
  67 
  68 int vega10_fan_ctrl_get_fan_speed_percent(struct pp_hwmgr *hwmgr,
  69                 uint32_t *speed)
  70 {
  71         uint32_t current_rpm;
  72         uint32_t percent = 0;
  73 
  74         if (hwmgr->thermal_controller.fanInfo.bNoFan)
  75                 return 0;
  76 
  77         if (vega10_get_current_rpm(hwmgr, &current_rpm))
  78                 return -1;
  79 
  80         if (hwmgr->thermal_controller.
  81                         advanceFanControlParameters.usMaxFanRPM != 0)
  82                 percent = current_rpm * 100 /
  83                         hwmgr->thermal_controller.
  84                         advanceFanControlParameters.usMaxFanRPM;
  85 
  86         *speed = percent > 100 ? 100 : percent;
  87 
  88         return 0;
  89 }
  90 
  91 int vega10_fan_ctrl_get_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t *speed)
  92 {
  93         struct amdgpu_device *adev = hwmgr->adev;
  94         struct vega10_hwmgr *data = hwmgr->backend;
  95         uint32_t tach_period;
  96         uint32_t crystal_clock_freq;
  97         int result = 0;
  98 
  99         if (hwmgr->thermal_controller.fanInfo.bNoFan)
 100                 return -1;
 101 
 102         if (data->smu_features[GNLD_FAN_CONTROL].supported) {
 103                 result = vega10_get_current_rpm(hwmgr, speed);
 104         } else {
 105                 tach_period =
 106                         REG_GET_FIELD(RREG32_SOC15(THM, 0, mmCG_TACH_STATUS),
 107                                           CG_TACH_STATUS,
 108                                           TACH_PERIOD);
 109 
 110                 if (tach_period == 0)
 111                         return -EINVAL;
 112 
 113                 crystal_clock_freq = amdgpu_asic_get_xclk((struct amdgpu_device *)hwmgr->adev);
 114 
 115                 *speed = 60 * crystal_clock_freq * 10000 / tach_period;
 116         }
 117 
 118         return result;
 119 }
 120 
 121 /**
 122 * Set Fan Speed Control to static mode,
 123 * so that the user can decide what speed to use.
 124 * @param    hwmgr  the address of the powerplay hardware manager.
 125 *           mode the fan control mode, 0 default, 1 by percent, 5, by RPM
 126 * @exception Should always succeed.
 127 */
 128 int vega10_fan_ctrl_set_static_mode(struct pp_hwmgr *hwmgr, uint32_t mode)
 129 {
 130         struct amdgpu_device *adev = hwmgr->adev;
 131 
 132         if (hwmgr->fan_ctrl_is_in_default_mode) {
 133                 hwmgr->fan_ctrl_default_mode =
 134                         REG_GET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL2),
 135                                 CG_FDO_CTRL2, FDO_PWM_MODE);
 136                 hwmgr->tmin =
 137                         REG_GET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL2),
 138                                 CG_FDO_CTRL2, TMIN);
 139                 hwmgr->fan_ctrl_is_in_default_mode = false;
 140         }
 141 
 142         WREG32_SOC15(THM, 0, mmCG_FDO_CTRL2,
 143                         REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL2),
 144                                 CG_FDO_CTRL2, TMIN, 0));
 145         WREG32_SOC15(THM, 0, mmCG_FDO_CTRL2,
 146                         REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL2),
 147                                 CG_FDO_CTRL2, FDO_PWM_MODE, mode));
 148 
 149         return 0;
 150 }
 151 
 152 /**
 153 * Reset Fan Speed Control to default mode.
 154 * @param    hwmgr  the address of the powerplay hardware manager.
 155 * @exception Should always succeed.
 156 */
 157 int vega10_fan_ctrl_set_default_mode(struct pp_hwmgr *hwmgr)
 158 {
 159         struct amdgpu_device *adev = hwmgr->adev;
 160 
 161         if (!hwmgr->fan_ctrl_is_in_default_mode) {
 162                 WREG32_SOC15(THM, 0, mmCG_FDO_CTRL2,
 163                         REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL2),
 164                                 CG_FDO_CTRL2, FDO_PWM_MODE,
 165                                 hwmgr->fan_ctrl_default_mode));
 166                 WREG32_SOC15(THM, 0, mmCG_FDO_CTRL2,
 167                         REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL2),
 168                                 CG_FDO_CTRL2, TMIN,
 169                                 hwmgr->tmin << CG_FDO_CTRL2__TMIN__SHIFT));
 170                 hwmgr->fan_ctrl_is_in_default_mode = true;
 171         }
 172 
 173         return 0;
 174 }
 175 
 176 /**
 177  * @fn vega10_enable_fan_control_feature
 178  * @brief Enables the SMC Fan Control Feature.
 179  *
 180  * @param    hwmgr - the address of the powerplay hardware manager.
 181  * @return   0 on success. -1 otherwise.
 182  */
 183 static int vega10_enable_fan_control_feature(struct pp_hwmgr *hwmgr)
 184 {
 185         struct vega10_hwmgr *data = hwmgr->backend;
 186 
 187         if (data->smu_features[GNLD_FAN_CONTROL].supported) {
 188                 PP_ASSERT_WITH_CODE(!vega10_enable_smc_features(
 189                                 hwmgr, true,
 190                                 data->smu_features[GNLD_FAN_CONTROL].
 191                                 smu_feature_bitmap),
 192                                 "Attempt to Enable FAN CONTROL feature Failed!",
 193                                 return -1);
 194                 data->smu_features[GNLD_FAN_CONTROL].enabled = true;
 195         }
 196 
 197         return 0;
 198 }
 199 
 200 static int vega10_disable_fan_control_feature(struct pp_hwmgr *hwmgr)
 201 {
 202         struct vega10_hwmgr *data = hwmgr->backend;
 203 
 204         if (data->smu_features[GNLD_FAN_CONTROL].supported) {
 205                 PP_ASSERT_WITH_CODE(!vega10_enable_smc_features(
 206                                 hwmgr, false,
 207                                 data->smu_features[GNLD_FAN_CONTROL].
 208                                 smu_feature_bitmap),
 209                                 "Attempt to Enable FAN CONTROL feature Failed!",
 210                                 return -1);
 211                 data->smu_features[GNLD_FAN_CONTROL].enabled = false;
 212         }
 213 
 214         return 0;
 215 }
 216 
 217 int vega10_fan_ctrl_start_smc_fan_control(struct pp_hwmgr *hwmgr)
 218 {
 219         if (hwmgr->thermal_controller.fanInfo.bNoFan)
 220                 return -1;
 221 
 222         PP_ASSERT_WITH_CODE(!vega10_enable_fan_control_feature(hwmgr),
 223                         "Attempt to Enable SMC FAN CONTROL Feature Failed!",
 224                         return -1);
 225 
 226         return 0;
 227 }
 228 
 229 
 230 int vega10_fan_ctrl_stop_smc_fan_control(struct pp_hwmgr *hwmgr)
 231 {
 232         struct vega10_hwmgr *data = hwmgr->backend;
 233 
 234         if (hwmgr->thermal_controller.fanInfo.bNoFan)
 235                 return -1;
 236 
 237         if (data->smu_features[GNLD_FAN_CONTROL].supported) {
 238                 PP_ASSERT_WITH_CODE(!vega10_disable_fan_control_feature(hwmgr),
 239                                 "Attempt to Disable SMC FAN CONTROL Feature Failed!",
 240                                 return -1);
 241         }
 242         return 0;
 243 }
 244 
 245 /**
 246 * Set Fan Speed in percent.
 247 * @param    hwmgr  the address of the powerplay hardware manager.
 248 * @param    speed is the percentage value (0% - 100%) to be set.
 249 * @exception Fails is the 100% setting appears to be 0.
 250 */
 251 int vega10_fan_ctrl_set_fan_speed_percent(struct pp_hwmgr *hwmgr,
 252                 uint32_t speed)
 253 {
 254         struct amdgpu_device *adev = hwmgr->adev;
 255         uint32_t duty100;
 256         uint32_t duty;
 257         uint64_t tmp64;
 258 
 259         if (hwmgr->thermal_controller.fanInfo.bNoFan)
 260                 return 0;
 261 
 262         if (speed > 100)
 263                 speed = 100;
 264 
 265         if (PP_CAP(PHM_PlatformCaps_MicrocodeFanControl))
 266                 vega10_fan_ctrl_stop_smc_fan_control(hwmgr);
 267 
 268         duty100 = REG_GET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL1),
 269                                     CG_FDO_CTRL1, FMAX_DUTY100);
 270 
 271         if (duty100 == 0)
 272                 return -EINVAL;
 273 
 274         tmp64 = (uint64_t)speed * duty100;
 275         do_div(tmp64, 100);
 276         duty = (uint32_t)tmp64;
 277 
 278         WREG32_SOC15(THM, 0, mmCG_FDO_CTRL0,
 279                 REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL0),
 280                         CG_FDO_CTRL0, FDO_STATIC_DUTY, duty));
 281 
 282         return vega10_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC);
 283 }
 284 
 285 /**
 286 * Reset Fan Speed to default.
 287 * @param    hwmgr  the address of the powerplay hardware manager.
 288 * @exception Always succeeds.
 289 */
 290 int vega10_fan_ctrl_reset_fan_speed_to_default(struct pp_hwmgr *hwmgr)
 291 {
 292         if (hwmgr->thermal_controller.fanInfo.bNoFan)
 293                 return 0;
 294 
 295         if (PP_CAP(PHM_PlatformCaps_MicrocodeFanControl))
 296                 return vega10_fan_ctrl_start_smc_fan_control(hwmgr);
 297         else
 298                 return vega10_fan_ctrl_set_default_mode(hwmgr);
 299 }
 300 
 301 /**
 302 * Set Fan Speed in RPM.
 303 * @param    hwmgr  the address of the powerplay hardware manager.
 304 * @param    speed is the percentage value (min - max) to be set.
 305 * @exception Fails is the speed not lie between min and max.
 306 */
 307 int vega10_fan_ctrl_set_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t speed)
 308 {
 309         struct amdgpu_device *adev = hwmgr->adev;
 310         uint32_t tach_period;
 311         uint32_t crystal_clock_freq;
 312         int result = 0;
 313 
 314         if (hwmgr->thermal_controller.fanInfo.bNoFan ||
 315             speed == 0 ||
 316             (speed < hwmgr->thermal_controller.fanInfo.ulMinRPM) ||
 317             (speed > hwmgr->thermal_controller.fanInfo.ulMaxRPM))
 318                 return -1;
 319 
 320         if (PP_CAP(PHM_PlatformCaps_MicrocodeFanControl))
 321                 result = vega10_fan_ctrl_stop_smc_fan_control(hwmgr);
 322 
 323         if (!result) {
 324                 crystal_clock_freq = amdgpu_asic_get_xclk((struct amdgpu_device *)hwmgr->adev);
 325                 tach_period = 60 * crystal_clock_freq * 10000 / (8 * speed);
 326                 WREG32_SOC15(THM, 0, mmCG_TACH_CTRL,
 327                                 REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_TACH_CTRL),
 328                                         CG_TACH_CTRL, TARGET_PERIOD,
 329                                         tach_period));
 330         }
 331         return vega10_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC_RPM);
 332 }
 333 
 334 /**
 335 * Reads the remote temperature from the SIslands thermal controller.
 336 *
 337 * @param    hwmgr The address of the hardware manager.
 338 */
 339 int vega10_thermal_get_temperature(struct pp_hwmgr *hwmgr)
 340 {
 341         struct amdgpu_device *adev = hwmgr->adev;
 342         int temp;
 343 
 344         temp = RREG32_SOC15(THM, 0, mmCG_MULT_THERMAL_STATUS);
 345 
 346         temp = (temp & CG_MULT_THERMAL_STATUS__CTF_TEMP_MASK) >>
 347                         CG_MULT_THERMAL_STATUS__CTF_TEMP__SHIFT;
 348 
 349         temp = temp & 0x1ff;
 350 
 351         temp *= PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
 352 
 353         return temp;
 354 }
 355 
 356 /**
 357 * Set the requested temperature range for high and low alert signals
 358 *
 359 * @param    hwmgr The address of the hardware manager.
 360 * @param    range Temperature range to be programmed for
 361 *           high and low alert signals
 362 * @exception PP_Result_BadInput if the input data is not valid.
 363 */
 364 static int vega10_thermal_set_temperature_range(struct pp_hwmgr *hwmgr,
 365                 struct PP_TemperatureRange *range)
 366 {
 367         struct amdgpu_device *adev = hwmgr->adev;
 368         int low = VEGA10_THERMAL_MINIMUM_ALERT_TEMP *
 369                         PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
 370         int high = VEGA10_THERMAL_MAXIMUM_ALERT_TEMP *
 371                         PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
 372         uint32_t val;
 373 
 374         if (low < range->min)
 375                 low = range->min;
 376         if (high > range->max)
 377                 high = range->max;
 378 
 379         if (low > high)
 380                 return -EINVAL;
 381 
 382         val = RREG32_SOC15(THM, 0, mmTHM_THERMAL_INT_CTRL);
 383 
 384         val = REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, MAX_IH_CREDIT, 5);
 385         val = REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, THERM_IH_HW_ENA, 1);
 386         val = REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, DIG_THERM_INTH, (high / PP_TEMPERATURE_UNITS_PER_CENTIGRADES));
 387         val = REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, DIG_THERM_INTL, (low / PP_TEMPERATURE_UNITS_PER_CENTIGRADES));
 388         val &= (~THM_THERMAL_INT_CTRL__THERM_TRIGGER_MASK_MASK) &
 389                         (~THM_THERMAL_INT_CTRL__THERM_INTH_MASK_MASK) &
 390                         (~THM_THERMAL_INT_CTRL__THERM_INTL_MASK_MASK);
 391 
 392         WREG32_SOC15(THM, 0, mmTHM_THERMAL_INT_CTRL, val);
 393 
 394         return 0;
 395 }
 396 
 397 /**
 398 * Programs thermal controller one-time setting registers
 399 *
 400 * @param    hwmgr The address of the hardware manager.
 401 */
 402 static int vega10_thermal_initialize(struct pp_hwmgr *hwmgr)
 403 {
 404         struct amdgpu_device *adev = hwmgr->adev;
 405 
 406         if (hwmgr->thermal_controller.fanInfo.ucTachometerPulsesPerRevolution) {
 407                 WREG32_SOC15(THM, 0, mmCG_TACH_CTRL,
 408                         REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_TACH_CTRL),
 409                                 CG_TACH_CTRL, EDGE_PER_REV,
 410                                 hwmgr->thermal_controller.fanInfo.ucTachometerPulsesPerRevolution - 1));
 411         }
 412 
 413         WREG32_SOC15(THM, 0, mmCG_FDO_CTRL2,
 414                 REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL2),
 415                         CG_FDO_CTRL2, TACH_PWM_RESP_RATE, 0x28));
 416 
 417         return 0;
 418 }
 419 
 420 /**
 421 * Enable thermal alerts on the RV770 thermal controller.
 422 *
 423 * @param    hwmgr The address of the hardware manager.
 424 */
 425 static int vega10_thermal_enable_alert(struct pp_hwmgr *hwmgr)
 426 {
 427         struct amdgpu_device *adev = hwmgr->adev;
 428         struct vega10_hwmgr *data = hwmgr->backend;
 429         uint32_t val = 0;
 430 
 431         if (data->smu_features[GNLD_FW_CTF].supported) {
 432                 if (data->smu_features[GNLD_FW_CTF].enabled)
 433                         printk("[Thermal_EnableAlert] FW CTF Already Enabled!\n");
 434 
 435                 PP_ASSERT_WITH_CODE(!vega10_enable_smc_features(hwmgr,
 436                                 true,
 437                                 data->smu_features[GNLD_FW_CTF].smu_feature_bitmap),
 438                                 "Attempt to Enable FW CTF feature Failed!",
 439                                 return -1);
 440                 data->smu_features[GNLD_FW_CTF].enabled = true;
 441         }
 442 
 443         val |= (1 << THM_THERMAL_INT_ENA__THERM_INTH_CLR__SHIFT);
 444         val |= (1 << THM_THERMAL_INT_ENA__THERM_INTL_CLR__SHIFT);
 445         val |= (1 << THM_THERMAL_INT_ENA__THERM_TRIGGER_CLR__SHIFT);
 446 
 447         WREG32_SOC15(THM, 0, mmTHM_THERMAL_INT_ENA, val);
 448 
 449         return 0;
 450 }
 451 
 452 /**
 453 * Disable thermal alerts on the RV770 thermal controller.
 454 * @param    hwmgr The address of the hardware manager.
 455 */
 456 int vega10_thermal_disable_alert(struct pp_hwmgr *hwmgr)
 457 {
 458         struct amdgpu_device *adev = hwmgr->adev;
 459         struct vega10_hwmgr *data = hwmgr->backend;
 460 
 461         if (data->smu_features[GNLD_FW_CTF].supported) {
 462                 if (!data->smu_features[GNLD_FW_CTF].enabled)
 463                         printk("[Thermal_EnableAlert] FW CTF Already disabled!\n");
 464 
 465 
 466                 PP_ASSERT_WITH_CODE(!vega10_enable_smc_features(hwmgr,
 467                         false,
 468                         data->smu_features[GNLD_FW_CTF].smu_feature_bitmap),
 469                         "Attempt to disable FW CTF feature Failed!",
 470                         return -1);
 471                 data->smu_features[GNLD_FW_CTF].enabled = false;
 472         }
 473 
 474         WREG32_SOC15(THM, 0, mmTHM_THERMAL_INT_ENA, 0);
 475 
 476         return 0;
 477 }
 478 
 479 /**
 480 * Uninitialize the thermal controller.
 481 * Currently just disables alerts.
 482 * @param    hwmgr The address of the hardware manager.
 483 */
 484 int vega10_thermal_stop_thermal_controller(struct pp_hwmgr *hwmgr)
 485 {
 486         int result = vega10_thermal_disable_alert(hwmgr);
 487 
 488         if (!hwmgr->thermal_controller.fanInfo.bNoFan)
 489                 vega10_fan_ctrl_set_default_mode(hwmgr);
 490 
 491         return result;
 492 }
 493 
 494 /**
 495 * Set up the fan table to control the fan using the SMC.
 496 * @param    hwmgr  the address of the powerplay hardware manager.
 497 * @param    pInput the pointer to input data
 498 * @param    pOutput the pointer to output data
 499 * @param    pStorage the pointer to temporary storage
 500 * @param    Result the last failure code
 501 * @return   result from set temperature range routine
 502 */
 503 int vega10_thermal_setup_fan_table(struct pp_hwmgr *hwmgr)
 504 {
 505         int ret;
 506         struct vega10_hwmgr *data = hwmgr->backend;
 507         PPTable_t *table = &(data->smc_state_table.pp_table);
 508 
 509         if (!data->smu_features[GNLD_FAN_CONTROL].supported)
 510                 return 0;
 511 
 512         table->FanMaximumRpm = (uint16_t)hwmgr->thermal_controller.
 513                         advanceFanControlParameters.usMaxFanRPM;
 514         table->FanThrottlingRpm = hwmgr->thermal_controller.
 515                         advanceFanControlParameters.usFanRPMMaxLimit;
 516         table->FanAcousticLimitRpm = (uint16_t)(hwmgr->thermal_controller.
 517                         advanceFanControlParameters.ulMinFanSCLKAcousticLimit);
 518         table->FanTargetTemperature = hwmgr->thermal_controller.
 519                         advanceFanControlParameters.usTMax;
 520 
 521         smum_send_msg_to_smc_with_parameter(hwmgr,
 522                                 PPSMC_MSG_SetFanTemperatureTarget,
 523                                 (uint32_t)table->FanTargetTemperature);
 524 
 525         table->FanPwmMin = hwmgr->thermal_controller.
 526                         advanceFanControlParameters.usPWMMin * 255 / 100;
 527         table->FanTargetGfxclk = (uint16_t)(hwmgr->thermal_controller.
 528                         advanceFanControlParameters.ulTargetGfxClk);
 529         table->FanGainEdge = hwmgr->thermal_controller.
 530                         advanceFanControlParameters.usFanGainEdge;
 531         table->FanGainHotspot = hwmgr->thermal_controller.
 532                         advanceFanControlParameters.usFanGainHotspot;
 533         table->FanGainLiquid = hwmgr->thermal_controller.
 534                         advanceFanControlParameters.usFanGainLiquid;
 535         table->FanGainVrVddc = hwmgr->thermal_controller.
 536                         advanceFanControlParameters.usFanGainVrVddc;
 537         table->FanGainVrMvdd = hwmgr->thermal_controller.
 538                         advanceFanControlParameters.usFanGainVrMvdd;
 539         table->FanGainPlx = hwmgr->thermal_controller.
 540                         advanceFanControlParameters.usFanGainPlx;
 541         table->FanGainHbm = hwmgr->thermal_controller.
 542                         advanceFanControlParameters.usFanGainHbm;
 543         table->FanZeroRpmEnable = hwmgr->thermal_controller.
 544                         advanceFanControlParameters.ucEnableZeroRPM;
 545         table->FanStopTemp = hwmgr->thermal_controller.
 546                         advanceFanControlParameters.usZeroRPMStopTemperature;
 547         table->FanStartTemp = hwmgr->thermal_controller.
 548                         advanceFanControlParameters.usZeroRPMStartTemperature;
 549 
 550         ret = smum_smc_table_manager(hwmgr,
 551                                 (uint8_t *)(&(data->smc_state_table.pp_table)),
 552                                 PPTABLE, false);
 553         if (ret)
 554                 pr_info("Failed to update Fan Control Table in PPTable!");
 555 
 556         return ret;
 557 }
 558 
 559 int vega10_enable_mgpu_fan_boost(struct pp_hwmgr *hwmgr)
 560 {
 561         struct vega10_hwmgr *data = hwmgr->backend;
 562         PPTable_t *table = &(data->smc_state_table.pp_table);
 563         int ret;
 564 
 565         if (!data->smu_features[GNLD_FAN_CONTROL].supported)
 566                 return 0;
 567 
 568         if (!hwmgr->thermal_controller.advanceFanControlParameters.
 569                         usMGpuThrottlingRPMLimit)
 570                 return 0;
 571 
 572         table->FanThrottlingRpm = hwmgr->thermal_controller.
 573                         advanceFanControlParameters.usMGpuThrottlingRPMLimit;
 574 
 575         ret = smum_smc_table_manager(hwmgr,
 576                                 (uint8_t *)(&(data->smc_state_table.pp_table)),
 577                                 PPTABLE, false);
 578         if (ret) {
 579                 pr_info("Failed to update fan control table in pptable!");
 580                 return ret;
 581         }
 582 
 583         ret = vega10_disable_fan_control_feature(hwmgr);
 584         if (ret) {
 585                 pr_info("Attempt to disable SMC fan control feature failed!");
 586                 return ret;
 587         }
 588 
 589         ret = vega10_enable_fan_control_feature(hwmgr);
 590         if (ret)
 591                 pr_info("Attempt to enable SMC fan control feature failed!");
 592 
 593         return ret;
 594 }
 595 
 596 /**
 597 * Start the fan control on the SMC.
 598 * @param    hwmgr  the address of the powerplay hardware manager.
 599 * @param    pInput the pointer to input data
 600 * @param    pOutput the pointer to output data
 601 * @param    pStorage the pointer to temporary storage
 602 * @param    Result the last failure code
 603 * @return   result from set temperature range routine
 604 */
 605 int vega10_thermal_start_smc_fan_control(struct pp_hwmgr *hwmgr)
 606 {
 607 /* If the fantable setup has failed we could have disabled
 608  * PHM_PlatformCaps_MicrocodeFanControl even after
 609  * this function was included in the table.
 610  * Make sure that we still think controlling the fan is OK.
 611 */
 612         if (PP_CAP(PHM_PlatformCaps_MicrocodeFanControl))
 613                 vega10_fan_ctrl_start_smc_fan_control(hwmgr);
 614 
 615         return 0;
 616 }
 617 
 618 
 619 int vega10_start_thermal_controller(struct pp_hwmgr *hwmgr,
 620                                 struct PP_TemperatureRange *range)
 621 {
 622         int ret = 0;
 623 
 624         if (range == NULL)
 625                 return -EINVAL;
 626 
 627         vega10_thermal_initialize(hwmgr);
 628         ret = vega10_thermal_set_temperature_range(hwmgr, range);
 629         if (ret)
 630                 return -EINVAL;
 631 
 632         vega10_thermal_enable_alert(hwmgr);
 633 /* We should restrict performance levels to low before we halt the SMC.
 634  * On the other hand we are still in boot state when we do this
 635  * so it would be pointless.
 636  * If this assumption changes we have to revisit this table.
 637  */
 638         ret = vega10_thermal_setup_fan_table(hwmgr);
 639         if (ret)
 640                 return -EINVAL;
 641 
 642         vega10_thermal_start_smc_fan_control(hwmgr);
 643 
 644         return 0;
 645 };
 646 
 647 
 648 
 649 
 650 int vega10_thermal_ctrl_uninitialize_thermal_controller(struct pp_hwmgr *hwmgr)
 651 {
 652         if (!hwmgr->thermal_controller.fanInfo.bNoFan) {
 653                 vega10_fan_ctrl_set_default_mode(hwmgr);
 654                 vega10_fan_ctrl_stop_smc_fan_control(hwmgr);
 655         }
 656         return 0;
 657 }
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