drm/amdgpu: fix s4 resume
authorFlora Cui <Flora.Cui@amd.com>
Thu, 4 Feb 2016 07:10:08 +0000 (15:10 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 3 Mar 2016 23:07:19 +0000 (15:07 -0800)
commit94703402213a01ce0fb0aa4e646cdfc2610f17b5
tree3430f3b6579c0e0a99882beb41e7ecf9628288ef
parent4474b85771139f2da8f8f4f443e6fad08081e99e
drm/amdgpu: fix s4 resume

commit ca19852884c8937eed89560f924f5a34cfcc22af upstream.

No need to re-init asic if it's already been initialized.
Skip IB tests since kernel processes are frozen in thaw.

Signed-off-by: Flora Cui <Flora.Cui@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c