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: Make sure DC writes are coherent
 on	flush.
Date: Thu, 14 Jan 2016 12:01:52 +0200
Message-ID: <20160114100152.GQ23290@intel.com>
References: <1452740379-3194-1-git-send-email-currojerez@riseup.net>
 <87egdkmw3b.fsf@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 8B19C6E832
 for <intel-gfx@lists.freedesktop.org>; Thu, 14 Jan 2016 02:01:56 -0800 (PST)
Content-Disposition: inline
In-Reply-To: <87egdkmw3b.fsf@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: Jani Nikula <jani.nikula@linux.intel.com>
Cc: intel-gfx@lists.freedesktop.org, Rodrigo Vivi <rodrigo.vivi@intel.com>
List-Id: intel-gfx@lists.freedesktop.org
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==