};
 
 static void
-amdgpu_dm_register_backlight_device(struct amdgpu_display_manager *dm,
-                                   struct amdgpu_dm_connector *aconnector)
+amdgpu_dm_register_backlight_device(struct amdgpu_display_manager *dm)
 {
        char bl_name[16];
        struct backlight_properties props = { 0 };
                 adev_to_drm(dm->adev)->primary->index + dm->num_of_edps);
 
        dm->backlight_dev[dm->num_of_edps] = backlight_device_register(bl_name,
-                                                                      aconnector->base.kdev,
+                                                                      adev_to_drm(dm->adev)->dev,
                                                                       dm,
                                                                       &amdgpu_dm_backlight_ops,
                                                                       &props);
 
 
 static void register_backlight_device(struct amdgpu_display_manager *dm,
-                                     struct amdgpu_dm_connector *aconnector,
                                      struct dc_link *link)
 {
        if ((link->connector_signal & (SIGNAL_TYPE_EDP | SIGNAL_TYPE_LVDS)) &&
                 * is better then a black screen.
                 */
                if (!dm->backlight_dev[dm->num_of_edps])
-                       amdgpu_dm_register_backlight_device(dm, aconnector);
+                       amdgpu_dm_register_backlight_device(dm);
 
                if (dm->backlight_dev[dm->num_of_edps]) {
                        dm->backlight_link[dm->num_of_edps] = link;
 
                        if (ret) {
                                amdgpu_dm_update_connector_after_detect(aconnector);
-                               register_backlight_device(dm, aconnector, link);
+                               register_backlight_device(dm, link);
 
                                if (dm->num_of_edps)
                                        update_connector_ext_caps(aconnector);