From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jesse Barnes <jbarnes@virtuousgeek.org>
Subject: Re: [PATCH 09/14] drm/i915: Hide underruns from eDP PLL
 and port enable on ILK
Date: Thu, 29 Oct 2015 12:39:53 -0700
Message-ID: <56327609.5000909@virtuousgeek.org>
References: <1446146763-31821-1-git-send-email-ville.syrjala@linux.intel.com>
 <1446146763-31821-10-git-send-email-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 mail-pa0-f49.google.com (mail-pa0-f49.google.com
 [209.85.220.49])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 5D990721C3
 for <intel-gfx@lists.freedesktop.org>; Thu, 29 Oct 2015 12:39:18 -0700 (PDT)
Received: by pasz6 with SMTP id z6so49288028pas.2
 for <intel-gfx@lists.freedesktop.org>; Thu, 29 Oct 2015 12:39:18 -0700 (PDT)
In-Reply-To: <1446146763-31821-10-git-send-email-ville.syrjala@linux.intel.com>
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: ville.syrjala@linux.intel.com, intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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==