From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ben Widawsky <benjamin.widawsky@intel.com>
Subject: [PATCH 02/13] drm/i915: Virtualize the ringbuffer
	signal func
Date: Tue, 29 Apr 2014 14:52:29 -0700
Message-ID: <1398808360-3674-3-git-send-email-benjamin.widawsky@intel.com>
References: <1398808360-3674-1-git-send-email-benjamin.widawsky@intel.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <intel-gfx-bounces@lists.freedesktop.org>
Received: from mga02.intel.com (mga02.intel.com [134.134.136.20])
 by gabe.freedesktop.org (Postfix) with ESMTP id 867736EAE8
 for <intel-gfx@lists.freedesktop.org>; Tue, 29 Apr 2014 14:52:46 -0700 (PDT)
In-Reply-To: <1398808360-3674-1-git-send-email-benjamin.widawsky@intel.com>
List-Unsubscribe: <http://lists.freedesktop.org/mailman/options/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <http://lists.freedesktop.org/archives/intel-gfx>
List-Post: <mailto:intel-gfx@lists.freedesktop.org>
List-Help: <mailto:intel-gfx-request@lists.freedesktop.org?subject=help>
List-Subscribe: <http://lists.freedesktop.org/mailman/listinfo/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=subscribe>
Errors-To: intel-gfx-bounces@lists.freedesktop.org
Sender: "Intel-gfx" <intel-gfx-bounces@lists.freedesktop.org>
To: Intel GFX <intel-gfx@lists.freedesktop.org>
List-Id: intel-gfx@lists.freedesktop.org
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