diff options
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c index fda858ec3cad..18873c2286f9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c @@ -991,6 +991,11 @@ static ssize_t amdgpu_hwmon_set_pwm1_enable(struct device *dev, int err; int value; + /* Can't adjust fan when the card is off */ + if ((adev->flags & AMD_IS_PX) && + (adev->ddev->switch_power_state != DRM_SWITCH_POWER_ON)) + return -EINVAL; + if (!adev->powerplay.pp_funcs->set_fan_control_mode) return -EINVAL; @@ -1025,6 +1030,11 @@ static ssize_t amdgpu_hwmon_set_pwm1(struct device *dev, int err; u32 value; + /* Can't adjust fan when the card is off */ + if ((adev->flags & AMD_IS_PX) && + (adev->ddev->switch_power_state != DRM_SWITCH_POWER_ON)) + return -EINVAL; + err = kstrtou32(buf, 10, &value); if (err) return err; @@ -1048,6 +1058,11 @@ static ssize_t amdgpu_hwmon_get_pwm1(struct device *dev, int err; u32 speed = 0; + /* Can't adjust fan when the card is off */ + if ((adev->flags & AMD_IS_PX) && + (adev->ddev->switch_power_state != DRM_SWITCH_POWER_ON)) + return -EINVAL; + if (adev->powerplay.pp_funcs->get_fan_speed_percent) { err = amdgpu_dpm_get_fan_speed_percent(adev, &speed); if (err) @@ -1067,6 +1082,11 @@ static ssize_t amdgpu_hwmon_get_fan1_input(struct device *dev, int err; u32 speed = 0; + /* Can't adjust fan when the card is off */ + if ((adev->flags & AMD_IS_PX) && + (adev->ddev->switch_power_state != DRM_SWITCH_POWER_ON)) + return -EINVAL; + if (adev->powerplay.pp_funcs->get_fan_speed_rpm) { err = amdgpu_dpm_get_fan_speed_rpm(adev, &speed); if (err) |