From ee26d83ff030fd2a9952a2c91b94c75819f86973 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Wed, 30 Jul 2014 21:04:57 +0200
Subject: [PATCH] drm/radeon: take a BO reference on VM cleanup
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This closes a small window where the GPU might have accessed freed up memory.

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Reading git-format-patch failed