From mboxrd@z Thu Jan  1 00:00:00 1970
From: Chris Wilson <chris@chris-wilson.co.uk>
Subject: [PATCH] drm/i915: Recreate vmapping even when the
	object is pinned
Date: Sat, 26 Aug 2017 14:39:12 +0100
Message-ID: <20170826133912.2489-1-chris@chris-wilson.co.uk>
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 fireflyinternet.com (mail.fireflyinternet.com [109.228.58.192])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 7B2A56E1FC
 for <intel-gfx@lists.freedesktop.org>; Sat, 26 Aug 2017 13:39:26 +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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