From mboxrd@z Thu Jan  1 00:00:00 1970
From: Wayne Boyer <wayne.boyer@intel.com>
Subject: [PATCH] drm/i915/skl: implement DP Aux Mutex framework
Date: Mon,  9 Nov 2015 15:35:06 -0800
Message-ID: <1447112106-20847-1-git-send-email-wayne.boyer@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 8494D6E787
 for <intel-gfx@lists.freedesktop.org>; Mon,  9 Nov 2015 15:35:08 -0800 (PST)
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: Rodrigo Vivi <rodrigo.vivi@intel.com>
List-Id: intel-gfx@lists.freedesktop.org
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