drm/amdgpu/dpm: don't add pwm attributes if DPM is disabled

PWM fan control is only available with DPM.  There is no non-DPM
support on amdgpu, so we should never get a crash here because
the sysfs nodes would never be created in the first place. Add the
check just in case to be on the safe side.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index efed11509f4a..ed2bbe5b10af 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -294,10 +294,14 @@ static umode_t hwmon_attributes_visible(struct kobject *kobj,
         struct amdgpu_device *adev = dev_get_drvdata(dev);
         umode_t effective_mode = attr->mode;
 
-        /* Skip limit attributes if DPM is not enabled */
+        /* Skip attributes if DPM is not enabled */
         if (!adev->pm.dpm_enabled &&
             (attr == &sensor_dev_attr_temp1_crit.dev_attr.attr ||
-             attr == &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr))
+             attr == &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr ||
+             attr == &sensor_dev_attr_pwm1.dev_attr.attr ||
+             attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr ||
+             attr == &sensor_dev_attr_pwm1_max.dev_attr.attr ||
+             attr == &sensor_dev_attr_pwm1_min.dev_attr.attr))
                 return 0;
 
         /* Skip fan attributes if fan is not present */