Whithout this patch it is not possible to use multiple outputs with cursor
on BDW.
The cursor gets completely crazy because update position uses the wrong
cursor register for the second pipe.
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@gmail.com> Cc: stable@vger.kernel.org Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=79621 Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>