From mboxrd@z Thu Jan  1 00:00:00 1970
From: Nathan Ciobanu <nathan.d.ciobanu@linux.intel.com>
Subject: Re: [PATCH] drm/i915/dp: Give up link training clock
 recovery after 10 failed attempts
Date: Fri, 13 Jul 2018 16:17:03 -0700
Message-ID: <20180713231703.GA28794@nc-new>
References: <1531503135-19153-1-git-send-email-nathan.d.ciobanu@linux.intel.com>
 <20180713212203.GG21149@intel.com>
 <1531520621.7606.50.camel@intel.com>
 <20180713221832.GA7428@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 mga12.intel.com (mga12.intel.com [192.55.52.136])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 6B28B6E343
 for <intel-gfx@lists.freedesktop.org>; Fri, 13 Jul 2018 23:24:13 +0000 (UTC)
Content-Disposition: inline
In-Reply-To: <20180713221832.GA7428@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: Manasi Navare <manasi.d.navare@intel.com>
Cc: intel-gfx@lists.freedesktop.org, Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>, Rodrigo Vivi <rodrigo.vivi@intel.com>
List-Id: intel-gfx@lists.freedesktop.org
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=