diff options
author | Evan Quan <evan.quan@amd.com> | 2020-08-13 11:39:25 +0300 |
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committer | Alex Deucher <alexander.deucher@amd.com> | 2020-08-14 23:22:41 +0300 |
commit | e098bc9612c2b60f94920461d71c92962a916e73 (patch) | |
tree | 9523440f73a9db1943a4102da7b5ef4c5fb15ca4 /drivers/gpu/drm/amd/powerplay/hwmgr/vega12_thermal.c | |
parent | e9372d23715d6802fd6d3763cb19c5a0c07ad641 (diff) | |
download | linux-e098bc9612c2b60f94920461d71c92962a916e73.tar.xz |
drm/amd/pm: optimize the power related source code layout
The target is to provide a clear entry point(for power routines).
Also this can help to maintain a clear view about the frameworks
used on different ASICs. Hopefully all these can make power part
more friendly to play with.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/hwmgr/vega12_thermal.c')
-rw-r--r-- | drivers/gpu/drm/amd/powerplay/hwmgr/vega12_thermal.c | 316 |
1 files changed, 0 insertions, 316 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_thermal.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_thermal.c deleted file mode 100644 index c15b9756025d..000000000000 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_thermal.c +++ /dev/null @@ -1,316 +0,0 @@ -/* - * Copyright 2017 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 "vega12_thermal.h" -#include "vega12_hwmgr.h" -#include "vega12_smumgr.h" -#include "vega12_ppsmc.h" -#include "vega12_inc.h" -#include "soc15_common.h" -#include "pp_debug.h" - -static int vega12_get_current_rpm(struct pp_hwmgr *hwmgr, uint32_t *current_rpm) -{ - PP_ASSERT_WITH_CODE(!smum_send_msg_to_smc(hwmgr, - PPSMC_MSG_GetCurrentRpm, - current_rpm), - "Attempt to get current RPM from SMC Failed!", - return -EINVAL); - - return 0; -} - -int vega12_fan_ctrl_get_fan_speed_info(struct pp_hwmgr *hwmgr, - struct phm_fan_speed_info *fan_speed_info) -{ - memset(fan_speed_info, 0, sizeof(*fan_speed_info)); - fan_speed_info->supports_percent_read = false; - fan_speed_info->supports_percent_write = false; - fan_speed_info->supports_rpm_read = true; - fan_speed_info->supports_rpm_write = true; - - return 0; -} - -int vega12_fan_ctrl_get_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t *speed) -{ - *speed = 0; - - return vega12_get_current_rpm(hwmgr, speed); -} - -/** - * @fn vega12_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 vega12_enable_fan_control_feature(struct pp_hwmgr *hwmgr) -{ -#if 0 - struct vega12_hwmgr *data = (struct vega12_hwmgr *)(hwmgr->backend); - - if (data->smu_features[GNLD_FAN_CONTROL].supported) { - PP_ASSERT_WITH_CODE(!vega12_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; - } -#endif - return 0; -} - -static int vega12_disable_fan_control_feature(struct pp_hwmgr *hwmgr) -{ -#if 0 - struct vega12_hwmgr *data = (struct vega12_hwmgr *)(hwmgr->backend); - - if (data->smu_features[GNLD_FAN_CONTROL].supported) { - PP_ASSERT_WITH_CODE(!vega12_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; - } -#endif - return 0; -} - -int vega12_fan_ctrl_start_smc_fan_control(struct pp_hwmgr *hwmgr) -{ - struct vega12_hwmgr *data = (struct vega12_hwmgr *)(hwmgr->backend); - - if (data->smu_features[GNLD_FAN_CONTROL].supported) - PP_ASSERT_WITH_CODE( - !vega12_enable_fan_control_feature(hwmgr), - "Attempt to Enable SMC FAN CONTROL Feature Failed!", - return -1); - - return 0; -} - - -int vega12_fan_ctrl_stop_smc_fan_control(struct pp_hwmgr *hwmgr) -{ - struct vega12_hwmgr *data = (struct vega12_hwmgr *)(hwmgr->backend); - - if (data->smu_features[GNLD_FAN_CONTROL].supported) - PP_ASSERT_WITH_CODE(!vega12_disable_fan_control_feature(hwmgr), - "Attempt to Disable SMC FAN CONTROL Feature Failed!", - return -1); - - return 0; -} - -/** -* Reset Fan Speed to default. -* @param hwmgr the address of the powerplay hardware manager. -* @exception Always succeeds. -*/ -int vega12_fan_ctrl_reset_fan_speed_to_default(struct pp_hwmgr *hwmgr) -{ - return vega12_fan_ctrl_start_smc_fan_control(hwmgr); -} - -/** -* Reads the remote temperature from the SIslands thermal controller. -* -* @param hwmgr The address of the hardware manager. -*/ -int vega12_thermal_get_temperature(struct pp_hwmgr *hwmgr) -{ - struct amdgpu_device *adev = hwmgr->adev; - int temp = 0; - - 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 vega12_thermal_set_temperature_range(struct pp_hwmgr *hwmgr, - struct PP_TemperatureRange *range) -{ - struct amdgpu_device *adev = hwmgr->adev; - int low = VEGA12_THERMAL_MINIMUM_ALERT_TEMP * - PP_TEMPERATURE_UNITS_PER_CENTIGRADES; - int high = VEGA12_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 = val & (~THM_THERMAL_INT_CTRL__THERM_TRIGGER_MASK_MASK); - - WREG32_SOC15(THM, 0, mmTHM_THERMAL_INT_CTRL, val); - - return 0; -} - -/** -* Enable thermal alerts on the RV770 thermal controller. -* -* @param hwmgr The address of the hardware manager. -*/ -static int vega12_thermal_enable_alert(struct pp_hwmgr *hwmgr) -{ - struct amdgpu_device *adev = hwmgr->adev; - uint32_t val = 0; - - 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 vega12_thermal_disable_alert(struct pp_hwmgr *hwmgr) -{ - struct amdgpu_device *adev = hwmgr->adev; - - 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 vega12_thermal_stop_thermal_controller(struct pp_hwmgr *hwmgr) -{ - int result = vega12_thermal_disable_alert(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 vega12_thermal_setup_fan_table(struct pp_hwmgr *hwmgr) -{ - int ret; - struct vega12_hwmgr *data = (struct vega12_hwmgr *)(hwmgr->backend); - PPTable_t *table = &(data->smc_state_table.pp_table); - - ret = smum_send_msg_to_smc_with_parameter(hwmgr, - PPSMC_MSG_SetFanTemperatureTarget, - (uint32_t)table->FanTargetTemperature, - NULL); - - 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 vega12_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)) - vega12_fan_ctrl_start_smc_fan_control(hwmgr); - - return 0; -} - - -int vega12_start_thermal_controller(struct pp_hwmgr *hwmgr, - struct PP_TemperatureRange *range) -{ - int ret = 0; - - if (range == NULL) - return -EINVAL; - - ret = vega12_thermal_set_temperature_range(hwmgr, range); - if (ret) - return -EINVAL; - - vega12_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 = vega12_thermal_setup_fan_table(hwmgr); - if (ret) - return -EINVAL; - - vega12_thermal_start_smc_fan_control(hwmgr); - - return 0; -}; |