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drm/amd/pp: Implement AMDGPU_PP_SENSOR_MIN/MAX_FAN_RPM 

so user can query the RPM range

Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rex Zhu 2018-09-30 13:19:00 +08:00 committed by Alex Deucher
parent 862cd98029
commit d5f480372c
2 changed files with 8 additions and 0 deletions
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6
drivers/gpu/drm/amd/powerplay/amd_powerplay.c
View File

@ -813,6 +813,12 @@ static int pp_dpm_read_sensor(void *handle, int idx,
case AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK:
*((uint32_t *)value) = hwmgr->pstate_mclk;
return 0;
case AMDGPU_PP_SENSOR_MIN_FAN_RPM:
*((uint32_t *)value) = hwmgr->thermal_controller.fanInfo.ulMinRPM;
return 0;
case AMDGPU_PP_SENSOR_MAX_FAN_RPM:
*((uint32_t *)value) = hwmgr->thermal_controller.fanInfo.ulMaxRPM;
return 0;
default:
mutex_lock(&hwmgr->smu_lock);
ret = hwmgr->hwmgr_func->read_sensor(hwmgr, idx, value, size);

2
drivers/gpu/drm/amd/powerplay/hwmgr/vega20_processpptables.c
View File

@ -834,6 +834,8 @@ static int init_powerplay_table_information(
hwmgr->thermal_controller.ucType = powerplay_table->ucThermalControllerType;
pptable_information->uc_thermal_controller_type = powerplay_table->ucThermalControllerType;
hwmgr->thermal_controller.fanInfo.ulMinRPM = 0;
hwmgr->thermal_controller.fanInfo.ulMaxRPM = powerplay_table->smcPPTable.FanMaximumRpm;
set_hw_cap(hwmgr,
ATOM_VEGA20_PP_THERMALCONTROLLER_NONE != hwmgr->thermal_controller.ucType,