drm/amdgpu: allocate shadow for pd/pt bo V2

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The pd/pt shadow bo will be used to backup page table, when gpu reset
happens, we can restore the page table by them.
V2:
Free shadow bo.

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>

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Chunming Zhou 2016-08-04 13:59:32 +08:00 • committed by Alex Deucher

parent 14fd833efa

commit 1baa439fb2

1 changed files with 11 additions and 3 deletions

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14

drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c

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