135     disp->sys_layer = lv_obj_create(NULL); /*Create sys layer on the display*/  in lv_display_create()
138     lv_obj_remove_style_all(disp->sys_layer);  in lv_display_create()
140     lv_obj_remove_flag(disp->sys_layer, LV_OBJ_FLAG_CLICKABLE);  in lv_display_create()
144     lv_obj_set_scrollbar_mode(disp->sys_layer, LV_SCROLLBAR_MODE_OFF);  in lv_display_create()
187     if(disp->sys_layer) {  in lv_display_delete()
188         lv_obj_delete(disp->sys_layer);  in lv_display_delete()
189         disp->sys_layer = NULL;  in lv_display_delete()
265     lv_obj_invalidate(disp->sys_layer);  in lv_display_set_physical_resolution()
277     lv_obj_invalidate(disp->sys_layer);  in lv_display_set_offset()
618     return disp->sys_layer;  in lv_display_get_layer_sys()
1106     lv_obj_get_coords(disp->sys_layer, &prev_coords);  in update_resolution()
1118     lv_area_set_width(&disp->sys_layer->coords, hor_res);  in update_resolution()
1119     lv_area_set_height(&disp->sys_layer->coords, ver_res);  in update_resolution()
1120     lv_obj_send_event(disp->sys_layer, LV_EVENT_SIZE_CHANGED, &prev_coords);  in update_resolution()
1129     lv_obj_invalidate(disp->sys_layer);  in update_resolution()