From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Subject: [PATCH 3/4] drm/i915: Reorder hw init to avoid
	executing with invalid context/mm state
Date: Tue, 17 Mar 2015 18:18:36 +0200
Message-ID: <1426609117-11976-4-git-send-email-mika.kuoppala@intel.com>
References: <1426609117-11976-1-git-send-email-mika.kuoppala@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 mga14.intel.com (mga14.intel.com [192.55.52.115])
 by gabe.freedesktop.org (Postfix) with ESMTP id CBB5A6E732
 for <intel-gfx@lists.freedesktop.org>; Tue, 17 Mar 2015 09:19:10 -0700 (PDT)
In-Reply-To: <1426609117-11976-1-git-send-email-mika.kuoppala@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@lists.freedesktop.org
Cc: miku@iki.fi
List-Id: intel-gfx@lists.freedesktop.org
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