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drm/i915: Remove surplus POSTING_READs before wait_for_vblank
authorChris Wilson <chris@chris-wilson.co.uk>
Thu, 17 Mar 2011 07:20:20 +0000 (07:20 +0000)
committerChris Wilson <chris@chris-wilson.co.uk>
Wed, 23 Mar 2011 06:40:52 +0000 (06:40 +0000)
... as wait_for_vblank (and friends) will do a flush of the MMIO writes
anyway.

References: https://bugs.freedesktop.org/show_bug.cgi?id=34601
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>

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