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, current_rpm); 35 return 0; 36 } 37 38 int vega10_fan_ctrl_get_fan_speed_info(struct pp_hwmgr *hwmgr, 39 struct phm_fan_speed_info *fan_speed_info) 40 { 41 42 if (hwmgr->thermal_controller.fanInfo.bNoFan) 43 return 0; 44 45 fan_speed_info->supports_percent_read = true; 46 fan_speed_info->supports_percent_write = true; 47 fan_speed_info->min_percent = 0; 48 fan_speed_info->max_percent = 100; 49 50 if (PP_CAP(PHM_PlatformCaps_FanSpeedInTableIsRPM) && 51 hwmgr->thermal_controller.fanInfo. 52 ucTachometerPulsesPerRevolution) { 53 fan_speed_info->supports_rpm_read = true; 54 fan_speed_info->supports_rpm_write = true; 55 fan_speed_info->min_rpm = 56 hwmgr->thermal_controller.fanInfo.ulMinRPM; 57 fan_speed_info->max_rpm = 58 hwmgr->thermal_controller.fanInfo.ulMaxRPM; 59 } else { 60 fan_speed_info->min_rpm = 0; 61 fan_speed_info->max_rpm = 0; 62 } 63 64 return 0; 65 } 66 67 int vega10_fan_ctrl_get_fan_speed_pwm(struct pp_hwmgr *hwmgr, 68 uint32_t *speed) 69 { 70 struct amdgpu_device *adev = hwmgr->adev; 71 uint32_t duty100, duty; 72 uint64_t tmp64; 73 74 duty100 = REG_GET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL1), 75 CG_FDO_CTRL1, FMAX_DUTY100); 76 duty = REG_GET_FIELD(RREG32_SOC15(THM, 0, mmCG_THERMAL_STATUS), 77 CG_THERMAL_STATUS, FDO_PWM_DUTY); 78 79 if (!duty100) 80 return -EINVAL; 81 82 tmp64 = (uint64_t)duty * 255; 83 do_div(tmp64, duty100); 84 *speed = min_t(uint32_t, tmp64, 255); 85 86 return 0; 87 } 88 89 int vega10_fan_ctrl_get_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t *speed) 90 { 91 struct amdgpu_device *adev = hwmgr->adev; 92 struct vega10_hwmgr *data = hwmgr->backend; 93 uint32_t tach_period; 94 uint32_t crystal_clock_freq; 95 int result = 0; 96 97 if (hwmgr->thermal_controller.fanInfo.bNoFan) 98 return -1; 99 100 if (data->smu_features[GNLD_FAN_CONTROL].supported) { 101 result = vega10_get_current_rpm(hwmgr, speed); 102 } else { 103 tach_period = 104 REG_GET_FIELD(RREG32_SOC15(THM, 0, mmCG_TACH_STATUS), 105 CG_TACH_STATUS, 106 TACH_PERIOD); 107 108 if (tach_period == 0) 109 return -EINVAL; 110 111 crystal_clock_freq = amdgpu_asic_get_xclk((struct amdgpu_device *)hwmgr->adev); 112 113 *speed = 60 * crystal_clock_freq * 10000 / tach_period; 114 } 115 116 return result; 117 } 118 119 /** 120 * vega10_fan_ctrl_set_static_mode - Set Fan Speed Control to static mode, 121 * so that the user can decide what speed to use. 122 * @hwmgr: the address of the powerplay hardware manager. 123 * @mode: the fan control mode, 0 default, 1 by percent, 5, by RPM 124 * Exception: Should always succeed. 125 */ 126 int vega10_fan_ctrl_set_static_mode(struct pp_hwmgr *hwmgr, uint32_t mode) 127 { 128 struct amdgpu_device *adev = hwmgr->adev; 129 130 if (hwmgr->fan_ctrl_is_in_default_mode) { 131 hwmgr->fan_ctrl_default_mode = 132 REG_GET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL2), 133 CG_FDO_CTRL2, FDO_PWM_MODE); 134 hwmgr->tmin = 135 REG_GET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL2), 136 CG_FDO_CTRL2, TMIN); 137 hwmgr->fan_ctrl_is_in_default_mode = false; 138 } 139 140 WREG32_SOC15(THM, 0, mmCG_FDO_CTRL2, 141 REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL2), 142 CG_FDO_CTRL2, TMIN, 0)); 143 WREG32_SOC15(THM, 0, mmCG_FDO_CTRL2, 144 REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL2), 145 CG_FDO_CTRL2, FDO_PWM_MODE, mode)); 146 147 return 0; 148 } 149 150 /** 151 * vega10_fan_ctrl_set_default_mode - Reset Fan Speed Control to default mode. 152 * @hwmgr: the address of the powerplay hardware manager. 153 * Exception: Should always succeed. 154 */ 155 int vega10_fan_ctrl_set_default_mode(struct pp_hwmgr *hwmgr) 156 { 157 struct amdgpu_device *adev = hwmgr->adev; 158 159 if (!hwmgr->fan_ctrl_is_in_default_mode) { 160 WREG32_SOC15(THM, 0, mmCG_FDO_CTRL2, 161 REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL2), 162 CG_FDO_CTRL2, FDO_PWM_MODE, 163 hwmgr->fan_ctrl_default_mode)); 164 WREG32_SOC15(THM, 0, mmCG_FDO_CTRL2, 165 REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL2), 166 CG_FDO_CTRL2, TMIN, 167 hwmgr->tmin << CG_FDO_CTRL2__TMIN__SHIFT)); 168 hwmgr->fan_ctrl_is_in_default_mode = true; 169 } 170 171 return 0; 172 } 173 174 /** 175 * vega10_enable_fan_control_feature - Enables the SMC Fan Control Feature. 176 * 177 * @hwmgr: the address of the powerplay hardware manager. 178 * Return: 0 on success. -1 otherwise. 179 */ 180 static int vega10_enable_fan_control_feature(struct pp_hwmgr *hwmgr) 181 { 182 struct vega10_hwmgr *data = hwmgr->backend; 183 184 if (data->smu_features[GNLD_FAN_CONTROL].supported) { 185 PP_ASSERT_WITH_CODE(!vega10_enable_smc_features( 186 hwmgr, true, 187 data->smu_features[GNLD_FAN_CONTROL]. 188 smu_feature_bitmap), 189 "Attempt to Enable FAN CONTROL feature Failed!", 190 return -1); 191 data->smu_features[GNLD_FAN_CONTROL].enabled = true; 192 } 193 194 return 0; 195 } 196 197 static int vega10_disable_fan_control_feature(struct pp_hwmgr *hwmgr) 198 { 199 struct vega10_hwmgr *data = hwmgr->backend; 200 201 if (data->smu_features[GNLD_FAN_CONTROL].supported) { 202 PP_ASSERT_WITH_CODE(!vega10_enable_smc_features( 203 hwmgr, false, 204 data->smu_features[GNLD_FAN_CONTROL]. 205 smu_feature_bitmap), 206 "Attempt to Enable FAN CONTROL feature Failed!", 207 return -1); 208 data->smu_features[GNLD_FAN_CONTROL].enabled = false; 209 } 210 211 return 0; 212 } 213 214 int vega10_fan_ctrl_start_smc_fan_control(struct pp_hwmgr *hwmgr) 215 { 216 if (hwmgr->thermal_controller.fanInfo.bNoFan) 217 return -1; 218 219 PP_ASSERT_WITH_CODE(!vega10_enable_fan_control_feature(hwmgr), 220 "Attempt to Enable SMC FAN CONTROL Feature Failed!", 221 return -1); 222 223 return 0; 224 } 225 226 227 int vega10_fan_ctrl_stop_smc_fan_control(struct pp_hwmgr *hwmgr) 228 { 229 struct vega10_hwmgr *data = hwmgr->backend; 230 231 if (hwmgr->thermal_controller.fanInfo.bNoFan) 232 return -1; 233 234 if (data->smu_features[GNLD_FAN_CONTROL].supported) { 235 PP_ASSERT_WITH_CODE(!vega10_disable_fan_control_feature(hwmgr), 236 "Attempt to Disable SMC FAN CONTROL Feature Failed!", 237 return -1); 238 } 239 return 0; 240 } 241 242 /** 243 * vega10_fan_ctrl_set_fan_speed_pwm - Set Fan Speed in PWM. 244 * @hwmgr: the address of the powerplay hardware manager. 245 * @speed: is the percentage value (0 - 255) to be set. 246 */ 247 int vega10_fan_ctrl_set_fan_speed_pwm(struct pp_hwmgr *hwmgr, 248 uint32_t speed) 249 { 250 struct amdgpu_device *adev = hwmgr->adev; 251 uint32_t duty100; 252 uint32_t duty; 253 uint64_t tmp64; 254 255 if (hwmgr->thermal_controller.fanInfo.bNoFan) 256 return 0; 257 258 speed = min_t(uint32_t, speed, 255); 259 260 if (PP_CAP(PHM_PlatformCaps_MicrocodeFanControl)) 261 vega10_fan_ctrl_stop_smc_fan_control(hwmgr); 262 263 duty100 = REG_GET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL1), 264 CG_FDO_CTRL1, FMAX_DUTY100); 265 266 if (duty100 == 0) 267 return -EINVAL; 268 269 tmp64 = (uint64_t)speed * duty100; 270 do_div(tmp64, 255); 271 duty = (uint32_t)tmp64; 272 273 WREG32_SOC15(THM, 0, mmCG_FDO_CTRL0, 274 REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL0), 275 CG_FDO_CTRL0, FDO_STATIC_DUTY, duty)); 276 277 return vega10_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC); 278 } 279 280 /** 281 * vega10_fan_ctrl_reset_fan_speed_to_default - Reset Fan Speed to default. 282 * @hwmgr: the address of the powerplay hardware manager. 283 * Exception: Always succeeds. 284 */ 285 int vega10_fan_ctrl_reset_fan_speed_to_default(struct pp_hwmgr *hwmgr) 286 { 287 if (hwmgr->thermal_controller.fanInfo.bNoFan) 288 return 0; 289 290 if (PP_CAP(PHM_PlatformCaps_MicrocodeFanControl)) 291 return vega10_fan_ctrl_start_smc_fan_control(hwmgr); 292 else 293 return vega10_fan_ctrl_set_default_mode(hwmgr); 294 } 295 296 /** 297 * vega10_fan_ctrl_set_fan_speed_rpm - Set Fan Speed in RPM. 298 * @hwmgr: the address of the powerplay hardware manager. 299 * @speed: is the percentage value (min - max) to be set. 300 * Exception: Fails is the speed not lie between min and max. 301 */ 302 int vega10_fan_ctrl_set_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t speed) 303 { 304 struct amdgpu_device *adev = hwmgr->adev; 305 uint32_t tach_period; 306 uint32_t crystal_clock_freq; 307 int result = 0; 308 309 if (hwmgr->thermal_controller.fanInfo.bNoFan || 310 speed == 0 || 311 (speed < hwmgr->thermal_controller.fanInfo.ulMinRPM) || 312 (speed > hwmgr->thermal_controller.fanInfo.ulMaxRPM)) 313 return -1; 314 315 if (PP_CAP(PHM_PlatformCaps_MicrocodeFanControl)) 316 result = vega10_fan_ctrl_stop_smc_fan_control(hwmgr); 317 318 if (!result) { 319 crystal_clock_freq = amdgpu_asic_get_xclk((struct amdgpu_device *)hwmgr->adev); 320 tach_period = 60 * crystal_clock_freq * 10000 / (8 * speed); 321 WREG32_SOC15(THM, 0, mmCG_TACH_CTRL, 322 REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_TACH_CTRL), 323 CG_TACH_CTRL, TARGET_PERIOD, 324 tach_period)); 325 } 326 return vega10_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC_RPM); 327 } 328 329 /** 330 * vega10_thermal_get_temperature - Reads the remote temperature from the SIslands thermal controller. 331 * 332 * @hwmgr: The address of the hardware manager. 333 */ 334 int vega10_thermal_get_temperature(struct pp_hwmgr *hwmgr) 335 { 336 struct amdgpu_device *adev = hwmgr->adev; 337 int temp; 338 339 temp = RREG32_SOC15(THM, 0, mmCG_MULT_THERMAL_STATUS); 340 341 temp = (temp & CG_MULT_THERMAL_STATUS__CTF_TEMP_MASK) >> 342 CG_MULT_THERMAL_STATUS__CTF_TEMP__SHIFT; 343 344 temp = temp & 0x1ff; 345 346 temp *= PP_TEMPERATURE_UNITS_PER_CENTIGRADES; 347 348 return temp; 349 } 350 351 /** 352 * vega10_thermal_set_temperature_range - Set the requested temperature range for high and low alert signals 353 * 354 * @hwmgr: The address of the hardware manager. 355 * @range: Temperature range to be programmed for 356 * high and low alert signals 357 * Exception: PP_Result_BadInput if the input data is not valid. 358 */ 359 static int vega10_thermal_set_temperature_range(struct pp_hwmgr *hwmgr, 360 struct PP_TemperatureRange *range) 361 { 362 struct phm_ppt_v2_information *pp_table_info = 363 (struct phm_ppt_v2_information *)(hwmgr->pptable); 364 struct phm_tdp_table *tdp_table = pp_table_info->tdp_table; 365 struct amdgpu_device *adev = hwmgr->adev; 366 int low = VEGA10_THERMAL_MINIMUM_ALERT_TEMP; 367 int high = VEGA10_THERMAL_MAXIMUM_ALERT_TEMP; 368 uint32_t val; 369 370 /* compare them in unit celsius degree */ 371 if (low < range->min / PP_TEMPERATURE_UNITS_PER_CENTIGRADES) 372 low = range->min / PP_TEMPERATURE_UNITS_PER_CENTIGRADES; 373 374 /* 375 * As a common sense, usSoftwareShutdownTemp should be bigger 376 * than ThotspotLimit. For any invalid usSoftwareShutdownTemp, 377 * we will just use the max possible setting VEGA10_THERMAL_MAXIMUM_ALERT_TEMP 378 * to avoid false alarms. 379 */ 380 if ((tdp_table->usSoftwareShutdownTemp > 381 range->hotspot_crit_max / PP_TEMPERATURE_UNITS_PER_CENTIGRADES)) { 382 if (high > tdp_table->usSoftwareShutdownTemp) 383 high = tdp_table->usSoftwareShutdownTemp; 384 } 385 386 if (low > high) 387 return -EINVAL; 388 389 val = RREG32_SOC15(THM, 0, mmTHM_THERMAL_INT_CTRL); 390 391 val = REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, MAX_IH_CREDIT, 5); 392 val = REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, THERM_IH_HW_ENA, 1); 393 val = REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, DIG_THERM_INTH, high); 394 val = REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, DIG_THERM_INTL, low); 395 val &= (~THM_THERMAL_INT_CTRL__THERM_TRIGGER_MASK_MASK) & 396 (~THM_THERMAL_INT_CTRL__THERM_INTH_MASK_MASK) & 397 (~THM_THERMAL_INT_CTRL__THERM_INTL_MASK_MASK); 398 399 WREG32_SOC15(THM, 0, mmTHM_THERMAL_INT_CTRL, val); 400 401 return 0; 402 } 403 404 /** 405 * vega10_thermal_initialize - Programs thermal controller one-time setting registers 406 * 407 * @hwmgr: The address of the hardware manager. 408 */ 409 static int vega10_thermal_initialize(struct pp_hwmgr *hwmgr) 410 { 411 struct amdgpu_device *adev = hwmgr->adev; 412 413 if (hwmgr->thermal_controller.fanInfo.ucTachometerPulsesPerRevolution) { 414 WREG32_SOC15(THM, 0, mmCG_TACH_CTRL, 415 REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_TACH_CTRL), 416 CG_TACH_CTRL, EDGE_PER_REV, 417 hwmgr->thermal_controller.fanInfo.ucTachometerPulsesPerRevolution - 1)); 418 } 419 420 WREG32_SOC15(THM, 0, mmCG_FDO_CTRL2, 421 REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL2), 422 CG_FDO_CTRL2, TACH_PWM_RESP_RATE, 0x28)); 423 424 return 0; 425 } 426 427 /** 428 * vega10_thermal_enable_alert - Enable thermal alerts on the RV770 thermal controller. 429 * 430 * @hwmgr: The address of the hardware manager. 431 */ 432 static int vega10_thermal_enable_alert(struct pp_hwmgr *hwmgr) 433 { 434 struct amdgpu_device *adev = hwmgr->adev; 435 struct vega10_hwmgr *data = hwmgr->backend; 436 uint32_t val = 0; 437 438 if (data->smu_features[GNLD_FW_CTF].supported) { 439 if (data->smu_features[GNLD_FW_CTF].enabled) 440 printk("[Thermal_EnableAlert] FW CTF Already Enabled!\n"); 441 442 PP_ASSERT_WITH_CODE(!vega10_enable_smc_features(hwmgr, 443 true, 444 data->smu_features[GNLD_FW_CTF].smu_feature_bitmap), 445 "Attempt to Enable FW CTF feature Failed!", 446 return -1); 447 data->smu_features[GNLD_FW_CTF].enabled = true; 448 } 449 450 val |= (1 << THM_THERMAL_INT_ENA__THERM_INTH_CLR__SHIFT); 451 val |= (1 << THM_THERMAL_INT_ENA__THERM_INTL_CLR__SHIFT); 452 val |= (1 << THM_THERMAL_INT_ENA__THERM_TRIGGER_CLR__SHIFT); 453 454 WREG32_SOC15(THM, 0, mmTHM_THERMAL_INT_ENA, val); 455 456 return 0; 457 } 458 459 /** 460 * vega10_thermal_disable_alert - Disable thermal alerts on the RV770 thermal controller. 461 * @hwmgr: The address of the hardware manager. 462 */ 463 int vega10_thermal_disable_alert(struct pp_hwmgr *hwmgr) 464 { 465 struct amdgpu_device *adev = hwmgr->adev; 466 struct vega10_hwmgr *data = hwmgr->backend; 467 468 if (data->smu_features[GNLD_FW_CTF].supported) { 469 if (!data->smu_features[GNLD_FW_CTF].enabled) 470 printk("[Thermal_EnableAlert] FW CTF Already disabled!\n"); 471 472 473 PP_ASSERT_WITH_CODE(!vega10_enable_smc_features(hwmgr, 474 false, 475 data->smu_features[GNLD_FW_CTF].smu_feature_bitmap), 476 "Attempt to disable FW CTF feature Failed!", 477 return -1); 478 data->smu_features[GNLD_FW_CTF].enabled = false; 479 } 480 481 WREG32_SOC15(THM, 0, mmTHM_THERMAL_INT_ENA, 0); 482 483 return 0; 484 } 485 486 /** 487 * vega10_thermal_stop_thermal_controller - Uninitialize the thermal controller. 488 * Currently just disables alerts. 489 * @hwmgr: The address of the hardware manager. 490 */ 491 int vega10_thermal_stop_thermal_controller(struct pp_hwmgr *hwmgr) 492 { 493 int result = vega10_thermal_disable_alert(hwmgr); 494 495 if (!hwmgr->thermal_controller.fanInfo.bNoFan) 496 vega10_fan_ctrl_set_default_mode(hwmgr); 497 498 return result; 499 } 500 501 /** 502 * vega10_thermal_setup_fan_table - Set up the fan table to control the fan using the SMC. 503 * @hwmgr: the address of the powerplay hardware manager. 504 * Return: result from set temperature range routine 505 */ 506 static int vega10_thermal_setup_fan_table(struct pp_hwmgr *hwmgr) 507 { 508 int ret; 509 struct vega10_hwmgr *data = hwmgr->backend; 510 PPTable_t *table = &(data->smc_state_table.pp_table); 511 512 if (!data->smu_features[GNLD_FAN_CONTROL].supported) 513 return 0; 514 515 table->FanMaximumRpm = (uint16_t)hwmgr->thermal_controller. 516 advanceFanControlParameters.usMaxFanRPM; 517 table->FanThrottlingRpm = hwmgr->thermal_controller. 518 advanceFanControlParameters.usFanRPMMaxLimit; 519 table->FanAcousticLimitRpm = (uint16_t)(hwmgr->thermal_controller. 520 advanceFanControlParameters.ulMinFanSCLKAcousticLimit); 521 table->FanTargetTemperature = hwmgr->thermal_controller. 522 advanceFanControlParameters.usTMax; 523 524 smum_send_msg_to_smc_with_parameter(hwmgr, 525 PPSMC_MSG_SetFanTemperatureTarget, 526 (uint32_t)table->FanTargetTemperature, 527 NULL); 528 529 table->FanPwmMin = hwmgr->thermal_controller. 530 advanceFanControlParameters.usPWMMin * 255 / 100; 531 table->FanTargetGfxclk = (uint16_t)(hwmgr->thermal_controller. 532 advanceFanControlParameters.ulTargetGfxClk); 533 table->FanGainEdge = hwmgr->thermal_controller. 534 advanceFanControlParameters.usFanGainEdge; 535 table->FanGainHotspot = hwmgr->thermal_controller. 536 advanceFanControlParameters.usFanGainHotspot; 537 table->FanGainLiquid = hwmgr->thermal_controller. 538 advanceFanControlParameters.usFanGainLiquid; 539 table->FanGainVrVddc = hwmgr->thermal_controller. 540 advanceFanControlParameters.usFanGainVrVddc; 541 table->FanGainVrMvdd = hwmgr->thermal_controller. 542 advanceFanControlParameters.usFanGainVrMvdd; 543 table->FanGainPlx = hwmgr->thermal_controller. 544 advanceFanControlParameters.usFanGainPlx; 545 table->FanGainHbm = hwmgr->thermal_controller. 546 advanceFanControlParameters.usFanGainHbm; 547 table->FanZeroRpmEnable = hwmgr->thermal_controller. 548 advanceFanControlParameters.ucEnableZeroRPM; 549 table->FanStopTemp = hwmgr->thermal_controller. 550 advanceFanControlParameters.usZeroRPMStopTemperature; 551 table->FanStartTemp = hwmgr->thermal_controller. 552 advanceFanControlParameters.usZeroRPMStartTemperature; 553 554 ret = smum_smc_table_manager(hwmgr, 555 (uint8_t *)(&(data->smc_state_table.pp_table)), 556 PPTABLE, false); 557 if (ret) 558 pr_info("Failed to update Fan Control Table in PPTable!"); 559 560 return ret; 561 } 562 563 int vega10_enable_mgpu_fan_boost(struct pp_hwmgr *hwmgr) 564 { 565 struct vega10_hwmgr *data = hwmgr->backend; 566 PPTable_t *table = &(data->smc_state_table.pp_table); 567 int ret; 568 569 if (!data->smu_features[GNLD_FAN_CONTROL].supported) 570 return 0; 571 572 if (!hwmgr->thermal_controller.advanceFanControlParameters. 573 usMGpuThrottlingRPMLimit) 574 return 0; 575 576 table->FanThrottlingRpm = hwmgr->thermal_controller. 577 advanceFanControlParameters.usMGpuThrottlingRPMLimit; 578 579 ret = smum_smc_table_manager(hwmgr, 580 (uint8_t *)(&(data->smc_state_table.pp_table)), 581 PPTABLE, false); 582 if (ret) { 583 pr_info("Failed to update fan control table in pptable!"); 584 return ret; 585 } 586 587 ret = vega10_disable_fan_control_feature(hwmgr); 588 if (ret) { 589 pr_info("Attempt to disable SMC fan control feature failed!"); 590 return ret; 591 } 592 593 ret = vega10_enable_fan_control_feature(hwmgr); 594 if (ret) 595 pr_info("Attempt to enable SMC fan control feature failed!"); 596 597 return ret; 598 } 599 600 /** 601 * vega10_thermal_start_smc_fan_control - Start the fan control on the SMC. 602 * @hwmgr: the address of the powerplay hardware manager. 603 * Return: result from set temperature range routine 604 */ 605 static 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 } 658