From mboxrd@z Thu Jan  1 00:00:00 1970
From: Imre Deak <imre.deak@intel.com>
Subject: Re: [PATCH] drm/i915/bxt: Enable existing gen9 harware
 workarounds for Broxton
Date: Wed, 29 Apr 2015 17:23:11 +0300
Message-ID: <1430317391.1811.32.camel@intel.com>
References: <1428403540-27040-1-git-send-email-nicholas.hoath@intel.com>
Reply-To: imre.deak@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 mga01.intel.com (mga01.intel.com [192.55.52.88])
 by gabe.freedesktop.org (Postfix) with ESMTP id 731496E6C1
 for <intel-gfx@lists.freedesktop.org>; Wed, 29 Apr 2015 07:23:35 -0700 (PDT)
In-Reply-To: <1428403540-27040-1-git-send-email-nicholas.hoath@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: Nick Hoath <nicholas.hoath@intel.com>
Cc: intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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