From mboxrd@z Thu Jan  1 00:00:00 1970
From: Arun Siluvery <arun.siluvery@linux.intel.com>
Subject: [PATCH v2 7/7] drm/i915/gen8: Add
	WaRsRestoreWithPerCtxtBb workaround
Date: Fri, 29 May 2015 19:03:25 +0100
Message-ID: <1432922605-5893-8-git-send-email-arun.siluvery@linux.intel.com>
References: <1432922605-5893-1-git-send-email-arun.siluvery@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 mga01.intel.com (mga01.intel.com [192.55.52.88])
 by gabe.freedesktop.org (Postfix) with ESMTP id F2D426EE38
 for <intel-gfx@lists.freedesktop.org>; Fri, 29 May 2015 11:04:12 -0700 (PDT)
In-Reply-To: <1432922605-5893-1-git-send-email-arun.siluvery@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: intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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