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drm/i915: POSTING_READ the new rps value
authorBen Widawsky <ben@bwidawsk.net>
Sat, 8 Sep 2012 02:43:41 +0000 (19:43 -0700)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Thu, 20 Sep 2012 12:23:01 +0000 (14:23 +0200)
In order to keep our cached values in sync with the hardware, we need a
posting read here.

CC: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

No differences found
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