From mboxrd@z Thu Jan  1 00:00:00 1970
From: Manasi Navare <manasi.d.navare@intel.com>
Subject: Re: [PATCH 5/5] drm/i915: Track whether the DP link is
 trained or not
Date: Wed, 28 Feb 2018 12:08:19 -0800
Message-ID: <20180228200818.GC11481@intel.com>
References: <20180117192149.17760-1-ville.syrjala@linux.intel.com>
 <20180117192149.17760-5-ville.syrjala@linux.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 mga17.intel.com (mga17.intel.com [192.55.52.151])
 by gabe.freedesktop.org (Postfix) with ESMTPS id D79256EB44
 for <intel-gfx@lists.freedesktop.org>; Wed, 28 Feb 2018 20:05:22 +0000 (UTC)
Content-Disposition: inline
In-Reply-To: <20180117192149.17760-5-ville.syrjala@linux.intel.com>
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <https://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: <https://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: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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