From mboxrd@z Thu Jan  1 00:00:00 1970
From: Matt Roper <matthew.d.roper@intel.com>
Subject: Re: [PATCH v3.6 20/22] drm/i915: Calculate haswell
 plane workaround, v4.
Date: Thu, 28 May 2015 17:58:12 -0700
Message-ID: <20150529005812.GF15716@intel.com>
References: <1432129094-11765-1-git-send-email-maarten.lankhorst@linux.intel.com>
 <1432137874-20543-1-git-send-email-maarten.lankhorst@linux.intel.com>
 <1432137874-20543-11-git-send-email-maarten.lankhorst@linux.intel.com>
 <5564307E.60205@linux.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 mga14.intel.com (mga14.intel.com [192.55.52.115])
 by gabe.freedesktop.org (Postfix) with ESMTP id 45BB96EC9F
 for <intel-gfx@lists.freedesktop.org>; Thu, 28 May 2015 17:58:13 -0700 (PDT)
Content-Disposition: inline
In-Reply-To: <5564307E.60205@linux.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: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Intel Graphics Development <intel-gfx@lists.freedesktop.org>
List-Id: intel-gfx@lists.freedesktop.org
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