From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jani Nikula <jani.nikula@intel.com>
Subject: Re: [PATCH] drm/dp: Avoid needless delay while link
	training
Date: Tue, 26 Sep 2017 12:45:38 +0300
Message-ID: <87o9px94jh.fsf@intel.com>
References: <1506419372-18734-1-git-send-email-shawn.c.lee@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 mga04.intel.com (mga04.intel.com [192.55.52.120])
 by gabe.freedesktop.org (Postfix) with ESMTPS id B82DA6E45D
 for <intel-gfx@lists.freedesktop.org>; Tue, 26 Sep 2017 09:46:06 +0000 (UTC)
In-Reply-To: <1506419372-18734-1-git-send-email-shawn.c.lee@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: "Lee, Shawn C" <shawn.c.lee@intel.com>, intel-gfx@lists.freedesktop.org
Cc: Cooper Chiou <cooper.chiou@intel.com>
List-Id: intel-gfx@lists.freedesktop.org
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