From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Pandiyan, Dhinakaran" <dhinakaran.pandiyan@intel.com>
Subject: Re: [PATCH 4/5] drm/i915/cfl: Introduce Display
 workarounds for Coffee Lake.
Date: Wed, 7 Jun 2017 22:00:59 +0000
Message-ID: <1496873997.32316.28.camel@dk-H97M-D3H>
References: <1496776802-28759-1-git-send-email-rodrigo.vivi@intel.com>
 <1496776802-28759-4-git-send-email-rodrigo.vivi@intel.com>
 <1496862234.32316.16.camel@dk-H97M-D3H>
 <1496872328.3272.54.camel@rdvivi-vienna>
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 mga02.intel.com (mga02.intel.com [134.134.136.20])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 18FE989B7B
 for <intel-gfx@lists.freedesktop.org>; Wed,  7 Jun 2017 22:01:04 +0000 (UTC)
In-Reply-To: <1496872328.3272.54.camel@rdvivi-vienna>
Content-Language: en-US
Content-ID: <D7D99E9F8A3AA242849B102653EDB971@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: "Vivi, Rodrigo" <rodrigo.vivi@intel.com>
Cc: "intel-gfx@lists.freedesktop.org" <intel-gfx@lists.freedesktop.org>, "Runyan, Arthur J" <arthur.j.runyan@intel.com>
List-Id: intel-gfx@lists.freedesktop.org
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