On Fri, 7 Sep 2012 19:43:41 -0700, Ben Widawsky <ben at bwidawsk.net> wrote: > In order to keep our cached values in sync with the hardware, we need a > posting read here. > > CC: Chris Wilson <chris at chris-wilson.co.uk> > Signed-off-by: Ben Widawsky <ben at bwidawsk.net> Yes, a POSTING_READ does look required here. Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk> -Chris -- Chris Wilson, Intel Open Source Technology Centre