From mboxrd@z Thu Jan  1 00:00:00 1970
From: changbin.du@intel.com
Subject: [PATCH v5 04/14] drm/i915/gvt: Detect 64K gtt entry by
 IPS bit of PDE
Date: Mon,  7 May 2018 15:21:43 +0800
Message-ID: <1525677713-8395-5-git-send-email-changbin.du@intel.com>
References: <1525677713-8395-1-git-send-email-changbin.du@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>
In-Reply-To: <1525677713-8395-1-git-send-email-changbin.du@intel.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: intel-gvt-dev@lists.freedesktop.org
Cc: intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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