From mboxrd@z Thu Jan  1 00:00:00 1970
From: Imre Deak <imre.deak@intel.com>
Subject: Re: [PATCH] drm/i915: HSW: allow PCH clock gating for
 suspend
Date: Tue, 16 Apr 2013 22:53:28 +0300
Message-ID: <1366142008.4042.3.camel@ideak-mobl>
References: <1366111516-27448-1-git-send-email-imre.deak@intel.com>
	<20130416113513.GH4469@intel.com> <1366112605.2567.5.camel@intelbox>
	<CA+gsUGQRg4nU6JKRGoKxqA2b5prNGycF=yGwSMK37JS-K6ZKRA@mail.gmail.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org>
Received: from mga11.intel.com (mga11.intel.com [192.55.52.93])
	by gabe.freedesktop.org (Postfix) with ESMTP id 2F275E606B
	for <intel-gfx@lists.freedesktop.org>;
	Tue, 16 Apr 2013 12:53:31 -0700 (PDT)
In-Reply-To: <CA+gsUGQRg4nU6JKRGoKxqA2b5prNGycF=yGwSMK37JS-K6ZKRA@mail.gmail.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>
Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org
Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org
To: Paulo Zanoni <przanoni@gmail.com>
Cc: Intel Graphics Development <intel-gfx@lists.freedesktop.org>
List-Id: intel-gfx@lists.freedesktop.org
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