From mboxrd@z Thu Jan  1 00:00:00 1970
From: Arun Siluvery <arun.siluvery@linux.intel.com>
Subject: [PATCH 1/2] drm/i915/gen9: Add framework to whitelist
	specific GPU registers
Date: Fri,  2 Oct 2015 14:19:39 +0100
Message-ID: <1443791980-34458-1-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 mga02.intel.com (mga02.intel.com [134.134.136.20])
 by gabe.freedesktop.org (Postfix) with ESMTP id 516FB6EDF4
 for <intel-gfx@lists.freedesktop.org>; Fri,  2 Oct 2015 06:19:46 -0700 (PDT)
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
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
List-Id: intel-gfx@lists.freedesktop.org
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