drm/i915: don't enable the gen6 bsd ring tail write enable on gen7
authorDaniel Vetter <daniel.vetter@ffwll.ch>
Wed, 11 Apr 2012 20:12:55 +0000 (22:12 +0200)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Fri, 13 Apr 2012 10:51:49 +0000 (12:51 +0200)
commit0fd2c201482e62492f2d7dc6c2798cf7f66c9570
tree4351ec592764f5647701c158df34663863fbf7a7
parente48d86347c602c55159714f6ddcd88969a1b2f21
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>
drivers/gpu/drm/i915/intel_ringbuffer.c