drm/i915: return -ENODEV if hw context are not supported

Otherwise userspace has no way to figure this out.

Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2012-06-19 17:16:01 +02:00
commit 5fa8be65e9