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| author | Felix Kuehling <Felix.Kuehling@amd.com> | 2018-02-06 20:32:38 -0500 |
|---|---|---|
| committer | Oded Gabbay <oded.gabbay@gmail.com> | 2018-02-06 20:32:38 -0500 |
| commit | a46a2cd103a863724d668c86dca86bd0d93a19e4 (patch) | |
| tree | 07286914cb6b5ed9ce10c290d4ed1fa892864ec0 /drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | |
| parent | 3c728d3aa1fd5c7c2461835a93ac8fad57813db6 (diff) | |
| download | op-kernel-dev-a46a2cd103a863724d668c86dca86bd0d93a19e4.zip op-kernel-dev-a46a2cd103a863724d668c86dca86bd0d93a19e4.tar.gz | |
drm/amdgpu: Add GPUVM memory management functions for KFD
v2:
* Removed unused flags from struct kgd_mem
* Updated some comments
* Added a check to unmap_memory_from_gpu whether BO was mapped
v3: add mutex_destroy in relevant places
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 5fcb348..c2fae04 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -259,6 +259,13 @@ static int amdgpu_verify_access(struct ttm_buffer_object *bo, struct file *filp) { struct amdgpu_bo *abo = ttm_to_amdgpu_bo(bo); + /* + * Don't verify access for KFD BOs. They don't have a GEM + * object associated with them. + */ + if (abo->kfd_bo) + return 0; + if (amdgpu_ttm_tt_get_usermm(bo->ttm)) return -EPERM; return drm_vma_node_verify_access(&abo->gem_base.vma_node, |
