From mboxrd@z Thu Jan  1 00:00:00 1970
From: "O'Rourke, Tom" <Tom.O'Rourke@intel.com>
Subject: Re: [PATCH 10/13 v4] drm/i915: Interrupt routing for
	GuC submission
Date: Mon, 27 Jul 2015 08:33:21 -0700
Message-ID: <20150727153321.GA124309@torourke-desk1>
References: <1436466554-24806-1-git-send-email-david.s.gordon@intel.com>
 <1436466554-24806-11-git-send-email-david.s.gordon@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 mga11.intel.com (mga11.intel.com [192.55.52.93])
 by gabe.freedesktop.org (Postfix) with ESMTP id F10B86E4DF
 for <intel-gfx@lists.freedesktop.org>; Mon, 27 Jul 2015 08:36:59 -0700 (PDT)
Content-Disposition: inline
In-Reply-To: <1436466554-24806-11-git-send-email-david.s.gordon@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: Dave Gordon <david.s.gordon@intel.com>
Cc: intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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