post_install() {
  printf '\n'
  printf '%s\n' 'You can enter the desired voltage IDs in /etc/default/phc-intel.'
  printf '%s\n' 'The `phc-intel` command should apply them.'
  printf '%s\n' 'Booting with the `nophc` kernel parameter skips setting of VIDs by that script; use it in case of failure.'
  printf '\n'
}

post_upgrade() {
  post_install "$@"
}