Use panel url for Solr result
use

function hook_form_alter(&amp;$form, &amp;$form_state, $form_id) {
  if($form_id == "search_block_form") {
    $form['#submit'] = array('custom_search_redirect');
  }
}

function custom_search_redirect($form, &amp;$form_state) {
  $search_data = $form_state['values']['search_block_form'];
  $form_state['redirect'] = "search/my-search".$search_data;
}