From mboxrd@z Thu Jan  1 00:00:00 1970
From: Lyude Paul <lyude@redhat.com>
Subject: Re: [PATCH] v2 drm/i915: Re-apply "Perform link quality
 check, unconditionally during long pulse"
Date: Tue, 07 Aug 2018 18:46:40 -0400
Message-ID: <1b36c877e4e9b8bc3917895eff26fdf5a138400f.camel@redhat.com>
References: <01e90c34-a95e-73ba-f9af-c6f3310c4f4d@fbihome.de>
 <20180804013632.17624.95098@emeril.freedesktop.org>
 <b8c0ed3f-a7a5-99bd-d956-bca4b1197e9c@fbihome.de>
 <2214864fef5b817180e5381e4c7815f174e5abb3.camel@redhat.com>
 <96ADEB6F-B282-420A-B9F1-8B496013FE1C@fbihome.de>
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 mail-qt0-f196.google.com (mail-qt0-f196.google.com
 [209.85.216.196])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 74C0E6E036
 for <intel-gfx@lists.freedesktop.org>; Tue,  7 Aug 2018 22:46:43 +0000 (UTC)
Received: by mail-qt0-f196.google.com with SMTP id z8-v6so331151qto.9
 for <intel-gfx@lists.freedesktop.org>; Tue, 07 Aug 2018 15:46:43 -0700 (PDT)
In-Reply-To: <96ADEB6F-B282-420A-B9F1-8B496013FE1C@fbihome.de>
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: Jan-Marek Glogowski <glogow@fbihome.de>, intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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