diff options
Diffstat (limited to 'drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega20_thermal.c')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega20_thermal.c | 30 |
1 files changed, 16 insertions, 14 deletions
diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega20_thermal.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega20_thermal.c index 269dd7e95a44..f4f4efdbda79 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega20_thermal.c +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega20_thermal.c @@ -114,26 +114,29 @@ static int vega20_get_current_rpm(struct pp_hwmgr *hwmgr, uint32_t *current_rpm) return 0; } -int vega20_fan_ctrl_get_fan_speed_percent(struct pp_hwmgr *hwmgr, +int vega20_fan_ctrl_get_fan_speed_pwm(struct pp_hwmgr *hwmgr, uint32_t *speed) { - struct vega20_hwmgr *data = (struct vega20_hwmgr *)(hwmgr->backend); - PPTable_t *pp_table = &(data->smc_state_table.pp_table); - uint32_t current_rpm, percent = 0; - int ret = 0; + struct amdgpu_device *adev = hwmgr->adev; + uint32_t duty100, duty; + uint64_t tmp64; - ret = vega20_get_current_rpm(hwmgr, ¤t_rpm); - if (ret) - return ret; + duty100 = REG_GET_FIELD(RREG32_SOC15(THM, 0, mmCG_FDO_CTRL1), + CG_FDO_CTRL1, FMAX_DUTY100); + duty = REG_GET_FIELD(RREG32_SOC15(THM, 0, mmCG_THERMAL_STATUS), + CG_THERMAL_STATUS, FDO_PWM_DUTY); - percent = current_rpm * 100 / pp_table->FanMaximumRpm; + if (!duty100) + return -EINVAL; - *speed = percent > 100 ? 100 : percent; + tmp64 = (uint64_t)duty * 255; + do_div(tmp64, duty100); + *speed = MIN((uint32_t)tmp64, 255); return 0; } -int vega20_fan_ctrl_set_fan_speed_percent(struct pp_hwmgr *hwmgr, +int vega20_fan_ctrl_set_fan_speed_pwm(struct pp_hwmgr *hwmgr, uint32_t speed) { struct amdgpu_device *adev = hwmgr->adev; @@ -141,8 +144,7 @@ int vega20_fan_ctrl_set_fan_speed_percent(struct pp_hwmgr *hwmgr, uint32_t duty; uint64_t tmp64; - if (speed > 100) - speed = 100; + speed = MIN(speed, 255); if (PP_CAP(PHM_PlatformCaps_MicrocodeFanControl)) vega20_fan_ctrl_stop_smc_fan_control(hwmgr); @@ -154,7 +156,7 @@ int vega20_fan_ctrl_set_fan_speed_percent(struct pp_hwmgr *hwmgr, return -EINVAL; tmp64 = (uint64_t)speed * duty100; - do_div(tmp64, 100); + do_div(tmp64, 255); duty = (uint32_t)tmp64; WREG32_SOC15(THM, 0, mmCG_FDO_CTRL0, |