diff options
| author | Felix Kuehling <Felix.Kuehling@amd.com> | 2018-11-20 21:00:29 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-12-07 18:13:54 -0500 |
| commit | 1dde0ea95b782425b95455d487cb44991525a1d1 (patch) | |
| tree | 2033a93a0417699fca78f5e42f1a7512e80c5a76 /drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h | |
| parent | 3704d56e1a64bb0e951815f91149ae7bb726aa76 (diff) | |
| download | linux-1dde0ea95b782425b95455d487cb44991525a1d1.tar.bz2 | |
drm/amdkfd: Add DMABuf import functionality
This is used for interoperability between ROCm compute and graphics
APIs. It allows importing graphics driver BOs into the ROCm SVM
address space for zero-copy GPU access.
The API is split into two steps (query and import) to allow user mode
to manage the virtual address space allocation for the imported buffer.
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h index d63daba9b17c..f1ddfc50bcc7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h @@ -54,6 +54,8 @@ void *amdgpu_gem_prime_vmap(struct drm_gem_object *obj); void amdgpu_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr); int amdgpu_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma); +extern const struct dma_buf_ops amdgpu_dmabuf_ops; + /* * GEM objects. */ |