diff options
Diffstat (limited to 'drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_thermal.c')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_thermal.c | 657 |
1 files changed, 657 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_thermal.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_thermal.c new file mode 100644 index 000000000000..468bdd6f6697 --- /dev/null +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_thermal.c @@ -0,0 +1,657 @@ +/* + * 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 "vega10_thermal.h" +#include "vega10_hwmgr.h" +#include "vega10_smumgr.h" +#include "vega10_ppsmc.h" +#include "vega10_inc.h" +#include "soc15_common.h" +#include "pp_debug.h" + +static int vega10_get_current_rpm(struct pp_hwmgr *hwmgr, uint32_t *current_rpm) +{ + smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrentRpm, current_rpm); + return 0; +} + +int vega10_fan_ctrl_get_fan_speed_info(struct pp_hwmgr *hwmgr, + struct phm_fan_speed_info *fan_speed_info) +{ + + if (hwmgr->thermal_controller.fanInfo.bNoFan) + return 0; + + fan_speed_info->supports_percent_read = true; + fan_speed_info->supports_percent_write = true; + fan_speed_info->min_percent = 0; + fan_speed_info->max_percent = 100; + + if (PP_CAP(PHM_PlatformCaps_FanSpeedInTableIsRPM) && + hwmgr->thermal_controller.fanInfo. + ucTachometerPulsesPerRevolution) { + fan_speed_info->supports_rpm_read = true; + fan_speed_info->supports_rpm_write = true; + fan_speed_info->min_rpm = + hwmgr->thermal_controller.fanInfo.ulMinRPM; + fan_speed_info->max_rpm = + hwmgr->thermal_controller.fanInfo.ulMaxRPM; + } else { + fan_speed_info->min_rpm = 0; + fan_speed_info->max_rpm = 0; + } + + return 0; +} + +int vega10_fan_ctrl_get_fan_speed_percent(struct pp_hwmgr *hwmgr, + uint32_t *speed) +{ + uint32_t current_rpm; + uint32_t percent = 0; + + if (hwmgr->thermal_controller.fanInfo.bNoFan) + return 0; + + if (vega10_get_current_rpm(hwmgr, ¤t_rpm)) + return -1; + + if (hwmgr->thermal_controller. + advanceFanControlParameters.usMaxFanRPM != 0) + percent = current_rpm * 100 / + hwmgr->thermal_controller. + advanceFanControlParameters.usMaxFanRPM; + + *speed = percent > 100 ? 100 : percent; + + return 0; +} + +int vega10_fan_ctrl_get_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t *speed) +{ + struct amdgpu_device *adev = hwmgr->adev; + struct vega10_hwmgr *data = hwmgr->backend; + uint32_t tach_period; + uint32_t crystal_clock_freq; + int result = 0; + + if (hwmgr->thermal_controller.fanInfo.bNoFan) + return -1; + + if (data->smu_features[GNLD_FAN_CONTROL].supported) { + result = vega10_get_current_rpm(hwmgr, speed); + } else { + tach_period = + REG_GET_FIELD(RREG32_SOC15(THM, 0, mmCG_TACH_STATUS), + CG_TACH_STATUS, + TACH_PERIOD); + + if (tach_period == 0) + return -EINVAL; + + crystal_clock_freq = amdgpu_asic_get_xclk((struct amdgpu_device *)hwmgr->adev); + + *speed = 60 * crystal_clock_freq * 10000 / tach_period; + } + + return result; +} + +/** +* Set Fan Speed Control to static mode, +* so that the user can decide what speed to use. +* @param hwmgr the address of the powerplay hardware manager. +* mode the fan control mode, 0 default, 1 by percent, 5, by RPM +* @exception Should always succeed. +*/ +int vega10_fan_ctrl_set_static_mode(struct pp_hwmgr *hwmgr, uint32_t mode) +{ + struct amdgpu_device *adev = hwmgr->adev; + + if (hwmgr->fan_ctrl_is_in_default_mode) { + hwmgr->fan_ctrl_default_mode = + REG_GET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL2), + CG_FDO_CTRL2, FDO_PWM_MODE); + hwmgr->tmin = + REG_GET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL2), + CG_FDO_CTRL2, TMIN); + hwmgr->fan_ctrl_is_in_default_mode = false; + } + + WREG32_SOC15(THM, 0, mmCG_FDO_CTRL2, + REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL2), + CG_FDO_CTRL2, TMIN, 0)); + WREG32_SOC15(THM, 0, mmCG_FDO_CTRL2, + REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL2), + CG_FDO_CTRL2, FDO_PWM_MODE, mode)); + + return 0; +} + +/** +* Reset Fan Speed Control to default mode. +* @param hwmgr the address of the powerplay hardware manager. +* @exception Should always succeed. +*/ +int vega10_fan_ctrl_set_default_mode(struct pp_hwmgr *hwmgr) +{ + struct amdgpu_device *adev = hwmgr->adev; + + if (!hwmgr->fan_ctrl_is_in_default_mode) { + WREG32_SOC15(THM, 0, mmCG_FDO_CTRL2, + REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL2), + CG_FDO_CTRL2, FDO_PWM_MODE, + hwmgr->fan_ctrl_default_mode)); + WREG32_SOC15(THM, 0, mmCG_FDO_CTRL2, + REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL2), + CG_FDO_CTRL2, TMIN, + hwmgr->tmin << CG_FDO_CTRL2__TMIN__SHIFT)); + hwmgr->fan_ctrl_is_in_default_mode = true; + } + + return 0; +} + +/** + * @fn vega10_enable_fan_control_feature + * @brief Enables the SMC Fan Control Feature. + * + * @param hwmgr - the address of the powerplay hardware manager. + * @return 0 on success. -1 otherwise. + */ +static int vega10_enable_fan_control_feature(struct pp_hwmgr *hwmgr) +{ + struct vega10_hwmgr *data = hwmgr->backend; + + if (data->smu_features[GNLD_FAN_CONTROL].supported) { + PP_ASSERT_WITH_CODE(!vega10_enable_smc_features( + hwmgr, true, + data->smu_features[GNLD_FAN_CONTROL]. + smu_feature_bitmap), + "Attempt to Enable FAN CONTROL feature Failed!", + return -1); + data->smu_features[GNLD_FAN_CONTROL].enabled = true; + } + + return 0; +} + +static int vega10_disable_fan_control_feature(struct pp_hwmgr *hwmgr) +{ + struct vega10_hwmgr *data = hwmgr->backend; + + if (data->smu_features[GNLD_FAN_CONTROL].supported) { + PP_ASSERT_WITH_CODE(!vega10_enable_smc_features( + hwmgr, false, + data->smu_features[GNLD_FAN_CONTROL]. + smu_feature_bitmap), + "Attempt to Enable FAN CONTROL feature Failed!", + return -1); + data->smu_features[GNLD_FAN_CONTROL].enabled = false; + } + + return 0; +} + +int vega10_fan_ctrl_start_smc_fan_control(struct pp_hwmgr *hwmgr) +{ + if (hwmgr->thermal_controller.fanInfo.bNoFan) + return -1; + + PP_ASSERT_WITH_CODE(!vega10_enable_fan_control_feature(hwmgr), + "Attempt to Enable SMC FAN CONTROL Feature Failed!", + return -1); + + return 0; +} + + +int vega10_fan_ctrl_stop_smc_fan_control(struct pp_hwmgr *hwmgr) +{ + struct vega10_hwmgr *data = hwmgr->backend; + + if (hwmgr->thermal_controller.fanInfo.bNoFan) + return -1; + + if (data->smu_features[GNLD_FAN_CONTROL].supported) { + PP_ASSERT_WITH_CODE(!vega10_disable_fan_control_feature(hwmgr), + "Attempt to Disable SMC FAN CONTROL Feature Failed!", + return -1); + } + return 0; +} + +/** +* Set Fan Speed in percent. +* @param hwmgr the address of the powerplay hardware manager. +* @param speed is the percentage value (0% - 100%) to be set. +* @exception Fails is the 100% setting appears to be 0. +*/ +int vega10_fan_ctrl_set_fan_speed_percent(struct pp_hwmgr *hwmgr, + uint32_t speed) +{ + struct amdgpu_device *adev = hwmgr->adev; + uint32_t duty100; + uint32_t duty; + uint64_t tmp64; + + if (hwmgr->thermal_controller.fanInfo.bNoFan) + return 0; + + if (speed > 100) + speed = 100; + + if (PP_CAP(PHM_PlatformCaps_MicrocodeFanControl)) + vega10_fan_ctrl_stop_smc_fan_control(hwmgr); + + duty100 = REG_GET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL1), + CG_FDO_CTRL1, FMAX_DUTY100); + + if (duty100 == 0) + return -EINVAL; + + tmp64 = (uint64_t)speed * duty100; + do_div(tmp64, 100); + duty = (uint32_t)tmp64; + + WREG32_SOC15(THM, 0, mmCG_FDO_CTRL0, + REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL0), + CG_FDO_CTRL0, FDO_STATIC_DUTY, duty)); + + return vega10_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC); +} + +/** +* Reset Fan Speed to default. +* @param hwmgr the address of the powerplay hardware manager. +* @exception Always succeeds. +*/ +int vega10_fan_ctrl_reset_fan_speed_to_default(struct pp_hwmgr *hwmgr) +{ + if (hwmgr->thermal_controller.fanInfo.bNoFan) + return 0; + + if (PP_CAP(PHM_PlatformCaps_MicrocodeFanControl)) + return vega10_fan_ctrl_start_smc_fan_control(hwmgr); + else + return vega10_fan_ctrl_set_default_mode(hwmgr); +} + +/** +* Set Fan Speed in RPM. +* @param hwmgr the address of the powerplay hardware manager. +* @param speed is the percentage value (min - max) to be set. +* @exception Fails is the speed not lie between min and max. +*/ +int vega10_fan_ctrl_set_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t speed) +{ + struct amdgpu_device *adev = hwmgr->adev; + uint32_t tach_period; + uint32_t crystal_clock_freq; + int result = 0; + + if (hwmgr->thermal_controller.fanInfo.bNoFan || + speed == 0 || + (speed < hwmgr->thermal_controller.fanInfo.ulMinRPM) || + (speed > hwmgr->thermal_controller.fanInfo.ulMaxRPM)) + return -1; + + if (PP_CAP(PHM_PlatformCaps_MicrocodeFanControl)) + result = vega10_fan_ctrl_stop_smc_fan_control(hwmgr); + + if (!result) { + crystal_clock_freq = amdgpu_asic_get_xclk((struct amdgpu_device *)hwmgr->adev); + tach_period = 60 * crystal_clock_freq * 10000 / (8 * speed); + WREG32_SOC15(THM, 0, mmCG_TACH_CTRL, + REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_TACH_CTRL), + CG_TACH_CTRL, TARGET_PERIOD, + tach_period)); + } + return vega10_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC_RPM); +} + +/** +* Reads the remote temperature from the SIslands thermal controller. +* +* @param hwmgr The address of the hardware manager. +*/ +int vega10_thermal_get_temperature(struct pp_hwmgr *hwmgr) +{ + struct amdgpu_device *adev = hwmgr->adev; + int temp; + + temp = RREG32_SOC15(THM, 0, mmCG_MULT_THERMAL_STATUS); + + temp = (temp & CG_MULT_THERMAL_STATUS__CTF_TEMP_MASK) >> + CG_MULT_THERMAL_STATUS__CTF_TEMP__SHIFT; + + temp = temp & 0x1ff; + + temp *= PP_TEMPERATURE_UNITS_PER_CENTIGRADES; + + return temp; +} + +/** +* Set the requested temperature range for high and low alert signals +* +* @param hwmgr The address of the hardware manager. +* @param range Temperature range to be programmed for +* high and low alert signals +* @exception PP_Result_BadInput if the input data is not valid. +*/ +static int vega10_thermal_set_temperature_range(struct pp_hwmgr *hwmgr, + struct PP_TemperatureRange *range) +{ + struct amdgpu_device *adev = hwmgr->adev; + int low = VEGA10_THERMAL_MINIMUM_ALERT_TEMP * + PP_TEMPERATURE_UNITS_PER_CENTIGRADES; + int high = VEGA10_THERMAL_MAXIMUM_ALERT_TEMP * + PP_TEMPERATURE_UNITS_PER_CENTIGRADES; + uint32_t val; + + if (low < range->min) + low = range->min; + if (high > range->max) + high = range->max; + + if (low > high) + return -EINVAL; + + val = RREG32_SOC15(THM, 0, mmTHM_THERMAL_INT_CTRL); + + val = REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, MAX_IH_CREDIT, 5); + val = REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, THERM_IH_HW_ENA, 1); + val = REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, DIG_THERM_INTH, (high / PP_TEMPERATURE_UNITS_PER_CENTIGRADES)); + val = REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, DIG_THERM_INTL, (low / PP_TEMPERATURE_UNITS_PER_CENTIGRADES)); + val &= (~THM_THERMAL_INT_CTRL__THERM_TRIGGER_MASK_MASK) & + (~THM_THERMAL_INT_CTRL__THERM_INTH_MASK_MASK) & + (~THM_THERMAL_INT_CTRL__THERM_INTL_MASK_MASK); + + WREG32_SOC15(THM, 0, mmTHM_THERMAL_INT_CTRL, val); + + return 0; +} + +/** +* Programs thermal controller one-time setting registers +* +* @param hwmgr The address of the hardware manager. +*/ +static int vega10_thermal_initialize(struct pp_hwmgr *hwmgr) +{ + struct amdgpu_device *adev = hwmgr->adev; + + if (hwmgr->thermal_controller.fanInfo.ucTachometerPulsesPerRevolution) { + WREG32_SOC15(THM, 0, mmCG_TACH_CTRL, + REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_TACH_CTRL), + CG_TACH_CTRL, EDGE_PER_REV, + hwmgr->thermal_controller.fanInfo.ucTachometerPulsesPerRevolution - 1)); + } + + WREG32_SOC15(THM, 0, mmCG_FDO_CTRL2, + REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL2), + CG_FDO_CTRL2, TACH_PWM_RESP_RATE, 0x28)); + + return 0; +} + +/** +* Enable thermal alerts on the RV770 thermal controller. +* +* @param hwmgr The address of the hardware manager. +*/ +static int vega10_thermal_enable_alert(struct pp_hwmgr *hwmgr) +{ + struct amdgpu_device *adev = hwmgr->adev; + struct vega10_hwmgr *data = hwmgr->backend; + uint32_t val = 0; + + if (data->smu_features[GNLD_FW_CTF].supported) { + if (data->smu_features[GNLD_FW_CTF].enabled) + printk("[Thermal_EnableAlert] FW CTF Already Enabled!\n"); + + PP_ASSERT_WITH_CODE(!vega10_enable_smc_features(hwmgr, + true, + data->smu_features[GNLD_FW_CTF].smu_feature_bitmap), + "Attempt to Enable FW CTF feature Failed!", + return -1); + data->smu_features[GNLD_FW_CTF].enabled = true; + } + + val |= (1 << THM_THERMAL_INT_ENA__THERM_INTH_CLR__SHIFT); + val |= (1 << THM_THERMAL_INT_ENA__THERM_INTL_CLR__SHIFT); + val |= (1 << THM_THERMAL_INT_ENA__THERM_TRIGGER_CLR__SHIFT); + + WREG32_SOC15(THM, 0, mmTHM_THERMAL_INT_ENA, val); + + return 0; +} + +/** +* Disable thermal alerts on the RV770 thermal controller. +* @param hwmgr The address of the hardware manager. +*/ +int vega10_thermal_disable_alert(struct pp_hwmgr *hwmgr) +{ + struct amdgpu_device *adev = hwmgr->adev; + struct vega10_hwmgr *data = hwmgr->backend; + + if (data->smu_features[GNLD_FW_CTF].supported) { + if (!data->smu_features[GNLD_FW_CTF].enabled) + printk("[Thermal_EnableAlert] FW CTF Already disabled!\n"); + + + PP_ASSERT_WITH_CODE(!vega10_enable_smc_features(hwmgr, + false, + data->smu_features[GNLD_FW_CTF].smu_feature_bitmap), + "Attempt to disable FW CTF feature Failed!", + return -1); + data->smu_features[GNLD_FW_CTF].enabled = false; + } + + WREG32_SOC15(THM, 0, mmTHM_THERMAL_INT_ENA, 0); + + return 0; +} + +/** +* Uninitialize the thermal controller. +* Currently just disables alerts. +* @param hwmgr The address of the hardware manager. +*/ +int vega10_thermal_stop_thermal_controller(struct pp_hwmgr *hwmgr) +{ + int result = vega10_thermal_disable_alert(hwmgr); + + if (!hwmgr->thermal_controller.fanInfo.bNoFan) + vega10_fan_ctrl_set_default_mode(hwmgr); + + return result; +} + +/** +* Set up the fan table to control the fan using the SMC. +* @param hwmgr the address of the powerplay hardware manager. +* @param pInput the pointer to input data +* @param pOutput the pointer to output data +* @param pStorage the pointer to temporary storage +* @param Result the last failure code +* @return result from set temperature range routine +*/ +static int vega10_thermal_setup_fan_table(struct pp_hwmgr *hwmgr) +{ + int ret; + struct vega10_hwmgr *data = hwmgr->backend; + PPTable_t *table = &(data->smc_state_table.pp_table); + + if (!data->smu_features[GNLD_FAN_CONTROL].supported) + return 0; + + table->FanMaximumRpm = (uint16_t)hwmgr->thermal_controller. + advanceFanControlParameters.usMaxFanRPM; + table->FanThrottlingRpm = hwmgr->thermal_controller. + advanceFanControlParameters.usFanRPMMaxLimit; + table->FanAcousticLimitRpm = (uint16_t)(hwmgr->thermal_controller. + advanceFanControlParameters.ulMinFanSCLKAcousticLimit); + table->FanTargetTemperature = hwmgr->thermal_controller. + advanceFanControlParameters.usTMax; + + smum_send_msg_to_smc_with_parameter(hwmgr, + PPSMC_MSG_SetFanTemperatureTarget, + (uint32_t)table->FanTargetTemperature, + NULL); + + table->FanPwmMin = hwmgr->thermal_controller. + advanceFanControlParameters.usPWMMin * 255 / 100; + table->FanTargetGfxclk = (uint16_t)(hwmgr->thermal_controller. + advanceFanControlParameters.ulTargetGfxClk); + table->FanGainEdge = hwmgr->thermal_controller. + advanceFanControlParameters.usFanGainEdge; + table->FanGainHotspot = hwmgr->thermal_controller. + advanceFanControlParameters.usFanGainHotspot; + table->FanGainLiquid = hwmgr->thermal_controller. + advanceFanControlParameters.usFanGainLiquid; + table->FanGainVrVddc = hwmgr->thermal_controller. + advanceFanControlParameters.usFanGainVrVddc; + table->FanGainVrMvdd = hwmgr->thermal_controller. + advanceFanControlParameters.usFanGainVrMvdd; + table->FanGainPlx = hwmgr->thermal_controller. + advanceFanControlParameters.usFanGainPlx; + table->FanGainHbm = hwmgr->thermal_controller. + advanceFanControlParameters.usFanGainHbm; + table->FanZeroRpmEnable = hwmgr->thermal_controller. + advanceFanControlParameters.ucEnableZeroRPM; + table->FanStopTemp = hwmgr->thermal_controller. + advanceFanControlParameters.usZeroRPMStopTemperature; + table->FanStartTemp = hwmgr->thermal_controller. + advanceFanControlParameters.usZeroRPMStartTemperature; + + ret = smum_smc_table_manager(hwmgr, + (uint8_t *)(&(data->smc_state_table.pp_table)), + PPTABLE, false); + if (ret) + pr_info("Failed to update Fan Control Table in PPTable!"); + + return ret; +} + +int vega10_enable_mgpu_fan_boost(struct pp_hwmgr *hwmgr) +{ + struct vega10_hwmgr *data = hwmgr->backend; + PPTable_t *table = &(data->smc_state_table.pp_table); + int ret; + + if (!data->smu_features[GNLD_FAN_CONTROL].supported) + return 0; + + if (!hwmgr->thermal_controller.advanceFanControlParameters. + usMGpuThrottlingRPMLimit) + return 0; + + table->FanThrottlingRpm = hwmgr->thermal_controller. + advanceFanControlParameters.usMGpuThrottlingRPMLimit; + + ret = smum_smc_table_manager(hwmgr, + (uint8_t *)(&(data->smc_state_table.pp_table)), + PPTABLE, false); + if (ret) { + pr_info("Failed to update fan control table in pptable!"); + return ret; + } + + ret = vega10_disable_fan_control_feature(hwmgr); + if (ret) { + pr_info("Attempt to disable SMC fan control feature failed!"); + return ret; + } + + ret = vega10_enable_fan_control_feature(hwmgr); + if (ret) + pr_info("Attempt to enable SMC fan control feature failed!"); + + return ret; +} + +/** +* Start the fan control on the SMC. +* @param hwmgr the address of the powerplay hardware manager. +* @param pInput the pointer to input data +* @param pOutput the pointer to output data +* @param pStorage the pointer to temporary storage +* @param Result the last failure code +* @return result from set temperature range routine +*/ +static int vega10_thermal_start_smc_fan_control(struct pp_hwmgr *hwmgr) +{ +/* If the fantable setup has failed we could have disabled + * PHM_PlatformCaps_MicrocodeFanControl even after + * this function was included in the table. + * Make sure that we still think controlling the fan is OK. +*/ + if (PP_CAP(PHM_PlatformCaps_MicrocodeFanControl)) + vega10_fan_ctrl_start_smc_fan_control(hwmgr); + + return 0; +} + + +int vega10_start_thermal_controller(struct pp_hwmgr *hwmgr, + struct PP_TemperatureRange *range) +{ + int ret = 0; + + if (range == NULL) + return -EINVAL; + + vega10_thermal_initialize(hwmgr); + ret = vega10_thermal_set_temperature_range(hwmgr, range); + if (ret) + return -EINVAL; + + vega10_thermal_enable_alert(hwmgr); +/* We should restrict performance levels to low before we halt the SMC. + * On the other hand we are still in boot state when we do this + * so it would be pointless. + * If this assumption changes we have to revisit this table. + */ + ret = vega10_thermal_setup_fan_table(hwmgr); + if (ret) + return -EINVAL; + + vega10_thermal_start_smc_fan_control(hwmgr); + + return 0; +}; + + + + +int vega10_thermal_ctrl_uninitialize_thermal_controller(struct pp_hwmgr *hwmgr) +{ + if (!hwmgr->thermal_controller.fanInfo.bNoFan) { + vega10_fan_ctrl_set_default_mode(hwmgr); + vega10_fan_ctrl_stop_smc_fan_control(hwmgr); + } + return 0; +} |