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 13/14] drm/i915: Workaround VLV/CHV
 sprite1->sprite0 enable underrun
Date: Thu, 15 Dec 2016 18:18:01 +0200
Message-ID: <20161215161801.GN31595@intel.com>
References: <1481574931-8658-1-git-send-email-ville.syrjala@linux.intel.com>
 <1481574931-8658-14-git-send-email-ville.syrjala@linux.intel.com>
 <459d9bd2-d9dd-8f31-1f2d-ee8faa069967@linux.intel.com>
 <20161215154708.GK31595@intel.com>
 <a6146b26-8c58-2f2a-0532-62c9571fd820@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 mga03.intel.com (mga03.intel.com [134.134.136.65])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 6D1D56EA0A
 for <intel-gfx@lists.freedesktop.org>; Thu, 15 Dec 2016 16:18:05 +0000 (UTC)
Content-Disposition: inline
In-Reply-To: <a6146b26-8c58-2f2a-0532-62c9571fd820@linux.intel.com>
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <https://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: <https://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-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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