From mboxrd@z Thu Jan  1 00:00:00 1970
From: tim.gore@intel.com
Subject: [PATCH v2] drm/i915:gen9: implement
	WaMtpRenderPowerGatingBug
Date: Mon, 20 Jun 2016 14:08:27 +0100
Message-ID: <1466428107-2210-1-git-send-email-tim.gore@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 9075C89ECD
 for <intel-gfx@lists.freedesktop.org>; Mon, 20 Jun 2016 13:08:29 +0000 (UTC)
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: intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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