From mboxrd@z Thu Jan  1 00:00:00 1970
From: Daniel Vetter <daniel@ffwll.ch>
Subject: Re: [PATCH] drm/i915: Use LRI to update the semaphore
 registers
Date: Tue, 20 Nov 2012 16:37:33 +0100
Message-ID: <20121120153733.GL5854@phenom.ffwll.local>
References: <1352884515-10154-1-git-send-email-chris@chris-wilson.co.uk>
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To: Ben Widawsky <ben@bwidawsk.net>
Cc: intel-gfx@lists.freedesktop.org, Daniel J Blueman <daniel@quora.org>
List-Id: intel-gfx@lists.freedesktop.org

On Thu, Nov 15, 2012 at 09:14:48AM -0800, Ben Widawsky wrote:
> On Wed, 14 Nov 2012 11:06:42 -0800
> Ben Widawsky <ben@bwidawsk.net> wrote:
> 
> > On Wed, 14 Nov 2012 09:15:14 +0000
> > Chris Wilson <chris@chris-wilson.co.uk> wrote:
> > 
> > > The bspec was recently updated to remove the ability to update the
> > > semaphore using the MI_SEMAPHORE_BOX command, the ability to wait upon
> > > the semaphore value remained. Instead the advice is to update the
> > > register using the MI_LOAD_REGISTER_IMM command. In cursory testing,
> > > semaphores continue to function - the question is whether this fixes
> > > some of the deadlocks where the semaphore registers contained stale
> > > values?
> > > 
> > > Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> > > Cc: Daniel J Blueman <daniel@quora.org>
> > Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
> Tested-by: Ben Widawsky <ben@bwidawsk.net>

I seem to have forgotten to mention that this is merged. Bad, bad me ...

Thanks for the patch & review.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch