drm/i915: use new macros to access the ring head register

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Daniel Vetter 2010-08-02 17:06:23 +02:00 • committed by Chris Wilson
commit 570ef60859
2 changed files with 13 additions and 40 deletions