From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= <ville.syrjala@linux.intel.com>
Subject: Re: [PATCH] drm/i915: Apply Wa Display #1183 on skl, kbl,
	and cfl.
Date: Mon, 23 Oct 2017 16:30:21 +0300
Message-ID: <20171023133021.GZ10981@intel.com>
References: <20171017192546.GD10981@intel.com>
 <20171020221549.5781-1-rodrigo.vivi@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 mga14.intel.com (mga14.intel.com [192.55.52.115])
 by gabe.freedesktop.org (Postfix) with ESMTPS id D720889B0D
 for <intel-gfx@lists.freedesktop.org>; Mon, 23 Oct 2017 13:30:24 +0000 (UTC)
Content-Disposition: inline
In-Reply-To: <20171020221549.5781-1-rodrigo.vivi@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: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: intel-gfx@lists.freedesktop.org, Arthur J Runyan <arthur.j.runyan@intel.com>
List-Id: intel-gfx@lists.freedesktop.org
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==