From mboxrd@z Thu Jan  1 00:00:00 1970
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Subject: [PATCH v2] drm/i915: check ppgtt validity when init reg
	state
Date: Mon,  9 Jan 2017 21:14:53 +0800
Message-ID: <20170109131453.3943-1-zhenyuw@linux.intel.com>
References: <20170109120414.GR19067@nuc-i3427.alporthouse.com>
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