[PATCH v1 1/2] drm/i915: Introduce GEM proxy

[Chris Wilson]

Quoting Chris Wilson (2017-10-17 15:37:16)
> execbuf: works (or should at least work fine on a proxy object as either
> a batch or one of the auxiliaries)
> 
> Hmm, use as a batch + cmdparser is broken; should result in ENODEV to
> userspace. An admittedly odd result, but not an oops.

Which actually means I've just found a bunch more errno to change to
-ENXIO.
-Chris