From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Subject: Re: [PATCH 1/2] drm/i915: Extend GET_APERTURE ioctl to
 report available map space
Date: Wed, 08 Jul 2015 14:29:13 +0100
Message-ID: <559D25A9.5070106@linux.intel.com>
References: <1436338285-23044-1-git-send-email-ankitprasad.r.sharma@intel.com>
 <1436338285-23044-2-git-send-email-ankitprasad.r.sharma@intel.com>
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 mga02.intel.com (mga02.intel.com [134.134.136.20])
 by gabe.freedesktop.org (Postfix) with ESMTP id F01456E331
 for <intel-gfx@lists.freedesktop.org>; Wed,  8 Jul 2015 06:29:31 -0700 (PDT)
In-Reply-To: <1436338285-23044-2-git-send-email-ankitprasad.r.sharma@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: ankitprasad.r.sharma@intel.com, intel-gfx@lists.freedesktop.org
Cc: akash.goel@intel.com, shashidhar.hiremath@intel.com
List-Id: intel-gfx@lists.freedesktop.org
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==