drm/amdkfd: remove an unnecessary amdgpu_bo_ref

No need to reference the BO here, dmabuf framework will handle that.

Signed-off-by: Lang Yu <Lang.Yu@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
index 87a3a3a..a699134 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
@@ -778,7 +778,6 @@ kfd_mem_attach_dmabuf(struct amdgpu_device *adev, struct kgd_mem *mem,
 
        *bo = gem_to_amdgpu_bo(gobj);
        (*bo)->flags |= AMDGPU_GEM_CREATE_PREEMPTIBLE;
-       (*bo)->parent = amdgpu_bo_ref(mem->bo);
 
        return 0;
 }