Alex Deucher 19fc42ed99 drm/radeon: clear reset flags if engines are idle ...

Fixes a hard lock in the gpu reset code after the
rework for DMA support (0ecebb9e0d
"drm/radeon: switch to a finer grained reset for evergreen")
due to not bailing before the MC shutdown if the relevant engines
are idle.

Discussion:
http://lists.freedesktop.org/archives/dri-devel/2013-January/032985.html

Reported-by: Eldad Zack <eldad@fogrefinery.com>
Tested-by: Eldad Zack <eldad@fogrefinery.com>
Acked-by: Paul Menzel <paulepanter@users.sourceforge.net>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

2013-01-15 09:06:38 -05:00

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