From mboxrd@z Thu Jan  1 00:00:00 1970
From: =?UTF-8?Q?Michel_D=c3=a4nzer?= <michel@daenzer.net>
Subject: Re: [PATCH 1/2] drm: Shortcircuit vblank queries
Date: Tue, 14 Apr 2015 18:42:03 +0900
Message-ID: <552CE0EB.9000306@daenzer.net>
References: <1427974453-10633-1-git-send-email-chris@chris-wilson.co.uk>
 <1428248421-29641-1-git-send-email-chris@chris-wilson.co.uk>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <dri-devel-bounces@lists.freedesktop.org>
Received: from mail.gna.ch (darkcity.gna.ch [195.226.6.51])
 by gabe.freedesktop.org (Postfix) with ESMTP id 92AD76E2EF
 for <dri-devel@lists.freedesktop.org>; Tue, 14 Apr 2015 02:42:07 -0700 (PDT)
In-Reply-To: <1428248421-29641-1-git-send-email-chris@chris-wilson.co.uk>
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: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Dave Airlie <airlied@redhat.com>, Laurent Pinchart <laurent.pinchart@ideasonboard.com>, dri-devel@lists.freedesktop.org
List-Id: dri-devel@lists.freedesktop.org
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