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  if (!isset($display->uuid)) {

    return FALSE;

  }

  $uuid = $display->uuid;

  // Check exported displays.

  ctools_include('export');

  $panels_display_temp = ctools_export_crud_load('panels_display', $uuid);

  $panels_mini_temp = ctools_export_crud_load('panels_mini', $uuid);

  if (

    !empty($panels_display_temp)

    || !empty($panels_mini_temp)

    || (module_exists('panelizer') && ctools_export_crud_load('panelizer_defaults', $uuid))

  ) {

    return TRUE;

  }

  // Check page manager embedded displays.

  // @see _18n_panels_fetch_all_panel_displays()

  if (module_exists('page_manager')) {

    module_load_include('inc', 'page_manager', 'page_manager.admin');

    $tasks = page_manager_get_tasks_by_type('page');

    $pages = array('operations' => array(), 'tasks' => array());

    page_manager_get_pages($tasks, $pages);

    foreach ($pages['tasks'] as $task) {

      $page = page_manager_cache_load($task);

      foreach ($page->handler_info as $id => $info) {

        $page_manager_handler = $page->handlers[$id];

        if ($page_manager_handler->handler == 'panel_context') {

          $is_exported = ($page_manager_handler->export_type == (EXPORT_IN_CODE | EXPORT_IN_DATABASE) || (isset($page->subtask['storage']) && $page->subtask['storage'] == t('Overridden')));

          if (!empty($page_manager_handler->conf['display'])) {

            $panels_display = $page_manager_handler->conf['display'];

            if ($panels_display->uuid == $uuid) {

              return TRUE;

            }

          }

          elseif ($is_exported && isset($page_manager_handler->conf['did'])) {

            $panels_display = panels_load_display($page_manager_handler->conf['did']);

            if (isset($panels_display->uuid) && $panels_display->uuid == $uuid) {

              return TRUE;

            }

          }

        }

      }

    }