Need to reserve space for the shared eviction fence when initializing
a KFD VM.

Signed-off-by: Felix Kuehling <[email protected]>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
index 20cf8e1e7445..e1cae4a37113 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
@@ -875,6 +875,9 @@ static int init_kfd_vm(struct amdgpu_vm *vm, void 
**process_info,
                                  AMDGPU_FENCE_OWNER_KFD, false);
        if (ret)
                goto wait_pd_fail;
+       ret = reservation_object_reserve_shared(vm->root.base.bo->tbo.resv, 1);
+       if (ret)
+               goto reserve_shared_fail;
        amdgpu_bo_fence(vm->root.base.bo,
                        &vm->process_info->eviction_fence->base, true);
        amdgpu_bo_unreserve(vm->root.base.bo);
@@ -888,6 +891,7 @@ static int init_kfd_vm(struct amdgpu_vm *vm, void 
**process_info,
 
        return 0;
 
+reserve_shared_fail:
 wait_pd_fail:
 validate_pd_fail:
        amdgpu_bo_unreserve(vm->root.base.bo);
-- 
2.17.1

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