Disable wpautop for specific post type (works even if post type is embedded in another post or page)

gistfile1.txt

function disable_wpautop() {
  if (get_post_type() == 'frm_display') // replace with slug of your desired post type
    remove_filter('the_content', 'wpautop');
}
add_action('wp_head', 'disable_wpautop');