It's not explicitly demonstrated, but the Revalidating Data example (https://nextjs.org/docs/app/building-your-application/data-fetching/forms-and-mutations#rev

It's not explicitly demonstrated, but the Revalidating Data example (https://nextjs.org/docs/app/building-your-application/data-fetching/forms-and-mutations#revalidating-data https://nextjs.org/docs/app/building-your-application/data-f...) would do it - calling revalidatePath/revalidateTag from a Server Action will (if the current route matches the path/tag) cause the route to get re-rendered as part of the same round trip.