drm/radeon: add WAIT_UNTIL to evergreen VM safe reg list
authorAlex Deucher <alexander.deucher@amd.com>
Fri, 21 Dec 2012 02:19:32 +0000 (21:19 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 17 Jan 2013 16:50:50 +0000 (08:50 -0800)
commite4a5d6d17f6dff0174ba1c0b2041d73ec7d0c1dd
treee8f7a7870db284233bfa1f8289b0ee164912f60a
parenta98843e161b490b91fac1b7e0daa4ba9517bf65a
drm/radeon: add WAIT_UNTIL to evergreen VM safe reg list

commit 668bbc81baf0f34df832d8aca5c7d5e19a493c68 upstream.

It's used in a recent mesa commit:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=24b1206ab2dcd506aaac3ef656aebc8bc20cd27a
and there may be some other cases in the future where it's required.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/gpu/drm/radeon/evergreen_cs.c