tree 4351ec592764f5647701c158df34663863fbf7a7
parent e48d86347c602c55159714f6ddcd88969a1b2f21
author Daniel Vetter <daniel.vetter@ffwll.ch> 1334175175 +0200
committer Daniel Vetter <daniel.vetter@ffwll.ch> 1334314309 +0200

drm/i915: don't enable the gen6 bsd ring tail write enable on gen7

HW engineers have fixed this issue for ivb. Again, a nice cleanup
possible thanks to the more flexible ring initialization.

Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>