From mboxrd@z Thu Jan  1 00:00:00 1970
From: Chris Wilson <chris@chris-wilson.co.uk>
Subject: Re: [PATCH] drm/vblank: Fixup and document timestamp update/read
 barriers
Date: Wed, 15 Apr 2015 18:49:16 +0100
Message-ID: <20150415174916.GB3981@nuc-i3427.alporthouse.com>
References: <1429093934-7535-1-git-send-email-daniel.vetter@ffwll.ch>
 <1429119283-11215-1-git-send-email-daniel.vetter@ffwll.ch>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <dri-devel-bounces@lists.freedesktop.org>
Content-Disposition: inline
In-Reply-To: <1429119283-11215-1-git-send-email-daniel.vetter@ffwll.ch>
List-Unsubscribe: <http://lists.freedesktop.org/mailman/options/dri-devel>,
 <mailto:dri-devel-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <http://lists.freedesktop.org/archives/dri-devel>
List-Post: <mailto:dri-devel@lists.freedesktop.org>
List-Help: <mailto:dri-devel-request@lists.freedesktop.org?subject=help>
List-Subscribe: <http://lists.freedesktop.org/mailman/listinfo/dri-devel>,
 <mailto:dri-devel-request@lists.freedesktop.org?subject=subscribe>
Errors-To: dri-devel-bounces@lists.freedesktop.org
Sender: "dri-devel" <dri-devel-bounces@lists.freedesktop.org>
To: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Peter Hurley <peter@hurleysoftware.com>, Michel =?iso-8859-1?Q?D=E4nzer?= <michel@daenzer.net>, DRI Development <dri-devel@lists.freedesktop.org>, Daniel Vetter <daniel.vetter@intel.com>, Intel Graphics Development <intel-gfx@lists.freedesktop.org>
List-Id: dri-devel@lists.freedesktop.org
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