That being said my laptop works just fine with my 980 m… scratch that … i needed an adapter on my to make it use mini digital display port… That being said My laptop does not use optimus… i had an alienware with optimus… got a refund quick and instead ordered a laptop off newegg… cheaper and way better… and no optimus. VR works 
But yea typically mobile is not supported for VR yet. Desktop cards are the requirements that are supported.