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author	Chunming Zhou <David1.Zhou@amd.com>
	Tue, 26 Jul 2016 06:13:21 +0000 (14:13 +0800)
committer	Alex Deucher <alexander.deucher@amd.com>
	Tue, 16 Aug 2016 14:40:01 +0000 (10:40 -0400)
commit	e7893c4bd34b9d2f942d77666656efaa084a3f87
tree	526fb34d81ea8e1538bc65a8f2e259273c98e924	tree
parent	f4a7f127d9151683ca806f1c73cfbc72f268d62e	commit \| diff

drm/amdgpu: add shadow bo support V2

shadow bo is the shadow of a bo, which is always in GTT,
which can be used to backup the original bo.
V2:
reference shadow parent, shadow bo will be freed by who allocted him.

Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu.h		diff \| blob \| blame \| history
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c		diff \| blob \| blame \| history
include/uapi/drm/amdgpu_drm.h		diff \| blob \| blame \| history

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