From mboxrd@z Thu Jan  1 00:00:00 1970
From: Oscar Mateo <oscar.mateo@intel.com>
Subject: Re: [PATCH] drm/i915: Allow null render state
 batchbuffers bigger than one page
Date: Thu, 24 Aug 2017 15:39:10 -0700
Message-ID: <fe330466-a934-ef90-780e-bb8f57dec8f4@intel.com>
References: <1493370666-14461-1-git-send-email-oscar.mateo@intel.com>
 <20170428165313.GA20095@nuc-i3427.alporthouse.com>
 <8737cnd3e7.fsf@gaia.fi.intel.com>
 <9da861ba-f292-4aee-a713-f0a8860ad520@intel.com>
 <87shkmb9uw.fsf@gaia.fi.intel.com>
 <2f99e116-a2c1-5acc-9eda-f4ec7d9bda80@intel.com>
 <20170503163138.GJ8277@nuc-i3427.alporthouse.com>
 <CABVU7+vhHfiOxZ5v-z6NXs_5j2hhYG5yVEFd5wY-wxCffgc5zQ@mail.gmail.com>
 <4a5f30c6-1281-7a08-2c98-9fe1dc31e8a4@intel.com>
 <150004489060.13756.14664720853683961585@mail.alporthouse.com>
 <4a610dde-3270-21f6-6b4f-d239fd99a797@intel.com>
 <CABVU7+udh2fKVMT1ZzB-2UHxafw8Lw=yPhBVkpBJ0kyppiGWFg@mail.gmail.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 mga01.intel.com (mga01.intel.com [192.55.52.88])
 by gabe.freedesktop.org (Postfix) with ESMTPS id E56A989DBF
 for <intel-gfx@lists.freedesktop.org>; Thu, 24 Aug 2017 22:39:18 +0000 (UTC)
In-Reply-To: <CABVU7+udh2fKVMT1ZzB-2UHxafw8Lw=yPhBVkpBJ0kyppiGWFg@mail.gmail.com>
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: Rodrigo Vivi <rodrigo.vivi@gmail.com>, Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: intel-gfx <intel-gfx@lists.freedesktop.org>, Ben Widawsky <ben@bwidawsk.net>
List-Id: intel-gfx@lists.freedesktop.org
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==