From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ramalingam C <ramalingam.c@intel.com>
Subject: Re: [PATCH] drm/i915: Add debugfs entry for DRRS
Date: Fri, 27 Feb 2015 19:29:46 +0530
Message-ID: <54F07852.1010400@intel.com>
References: <54E746A7.9030907@intel.com>
 <1424693154-25942-1-git-send-email-ramalingam.c@intel.com>
 <20150224003908.GL24485@phenom.ffwll.local>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"; Format="flowed"
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 ESMTP id 879D06E8DE
 for <intel-gfx@lists.freedesktop.org>; Fri, 27 Feb 2015 06:05:41 -0800 (PST)
In-Reply-To: <20150224003908.GL24485@phenom.ffwll.local>
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: Daniel Vetter <daniel@ffwll.ch>
Cc: intel-gfx@lists.freedesktop.org, paulo.r.zanoni@intel.com, rodrigo.vivi@intel.com
List-Id: intel-gfx@lists.freedesktop.org
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