From: Ilija Hadzic <ilijahadzic@gmail.com>
Date: Fri, 30 Jan 2015 05:38:43 +0000 (-0500)
Subject: drm/radeon: fix the crash in benchmark functions
X-Git-Tag: fixes-v4.0-rc1~202^2~2^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3f5e1b4f58b7b6480cccff4bf965436102db4346;p=pandora-kernel.git

drm/radeon: fix the crash in benchmark functions

radeon_copy_dma and radeon_copy_blit must be called with
a valid reservation object. Otherwise a crash will be provoked.
We borrow the object from destination BO.

bug:
https://bugs.freedesktop.org/show_bug.cgi?id=88464

Cc: stable@vger.kernel.org
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Ilija Hadzic <ihadzic@research.bell-labs.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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