From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jesse Barnes <jbarnes@virtuousgeek.org>
Subject: [PATCH 1/4] drm/i915: preserve SSC if previously set v2
Date: Fri, 14 Mar 2014 14:37:08 -0700
Message-ID: <1394833031-4055-1-git-send-email-jbarnes@virtuousgeek.org>
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 gproxy1-pub.mail.unifiedlayer.com
 (gproxy1-pub.mail.unifiedlayer.com [69.89.25.95])
 by gabe.freedesktop.org (Postfix) with SMTP id 9D53A892B3
 for <intel-gfx@lists.freedesktop.org>; Sat, 15 Mar 2014 04:03:59 -0700 (PDT)
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: intel-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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