drm/i915: Only apply the SNB pipe control w/a to gen6
authorChris Wilson <chris@chris-wilson.co.uk>
Fri, 20 Jul 2012 17:02:28 +0000 (18:02 +0100)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Wed, 8 Aug 2012 07:34:32 +0000 (09:34 +0200)
The requirements for the sync flush to be emitted prior to the render
cache flush is only true for SandyBridge. On IvyBridge and friends we
can just emit the flushes with an inline CS stall.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

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