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| author | Arunpravin <apaneers@amd.com> | 2020-08-06 12:04:33 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-08-11 18:47:35 +0300 |
| commit | 0cf0ee983b14af5e2160fa677b2eeb4c5dbb03ad (patch) | |
| tree | 73d4641e7a16e0292f7ea953e5a508f361ad1573 /drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.h | |
| parent | d6e6dfb287443b4197afde4632784ba640944648 (diff) | |
| download | linux-0cf0ee983b14af5e2160fa677b2eeb4c5dbb03ad.tar.xz | |
drm/amdgpu: Enable P2P dmabuf over XGMI
Access the exported P2P dmabuf over XGMI, if available.
Otherwise, fall back to the existing PCIe method.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Arunpravin <apaneers@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.h index ec447a7b6b28..2c5c84a06bb9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.h @@ -29,6 +29,8 @@ struct dma_buf *amdgpu_gem_prime_export(struct drm_gem_object *gobj, int flags); struct drm_gem_object *amdgpu_gem_prime_import(struct drm_device *dev, struct dma_buf *dma_buf); +bool amdgpu_dmabuf_is_xgmi_accessible(struct amdgpu_device *adev, + struct amdgpu_bo *bo); 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, |