diff options
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.c | 620 |
1 files changed, 0 insertions, 620 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.c deleted file mode 100644 index 3f807d6c95ce..000000000000 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.c +++ /dev/null @@ -1,620 +0,0 @@ -/* - * 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 = smum_get_argument(hwmgr); - 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 -*/ -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); - - 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; -} - -/** -* 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 -*/ -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; -} |