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 1/2] drm/i915: Disable DDR DVFS on CHV
Date: Thu, 5 Mar 2015 19:32:08 +0200
Message-ID: <20150305173208.GJ11371@intel.com>
References: <1424977371-25104-1-git-send-email-ville.syrjala@linux.intel.com>
 <49268EB33C44BB4B8A45AF5EDD3CDEB2102C7D1E@BGSMSX103.gar.corp.intel.com>
 <54F5695D.4020808@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 mga09.intel.com (mga09.intel.com [134.134.136.24])
 by gabe.freedesktop.org (Postfix) with ESMTP id 7305D6E090
 for <intel-gfx@lists.freedesktop.org>; Thu,  5 Mar 2015 09:32:14 -0800 (PST)
Content-Disposition: inline
In-Reply-To: <54F5695D.4020808@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: Arun R Murthy <arun.r.murthy@intel.com>
Cc: intel-gfx@lists.freedesktop.org, Ville =?iso-8859-1?Q?Syrj=E4l=E4?= <ville.syrjala@intel.com>
List-Id: intel-gfx@lists.freedesktop.org
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