diff options
| author | Felix Kuehling <Felix.Kuehling@amd.com> | 2021-04-12 01:52:19 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-05-20 05:44:06 +0300 |
| commit | 5ac3c3e45fb93d14102fc7cdc69ad909f6980388 (patch) | |
| tree | 583566c3f6b5ffcb9433215d63dd1eeb5b844006 /drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h | |
| parent | 9e5d275319e224e01adb62bfe03943b32f540b7d (diff) | |
| download | linux-5ac3c3e45fb93d14102fc7cdc69ad909f6980388.tar.xz | |
drm/amdgpu: Add DMA mapping of GTT BOs
Use DMABufs with dynamic attachment to DMA-map GTT BOs on other GPUs.
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Oak Zeng <Oak.Zeng@amd.com>
Acked-by: Ramesh Errabolu <Ramesh.Errabolu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h index a83ac39afdd1..81264517d532 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h @@ -47,6 +47,7 @@ struct amdgpu_device; enum kfd_mem_attachment_type { KFD_MEM_ATT_SHARED, /* Share kgd_mem->bo or another attachment's */ KFD_MEM_ATT_USERPTR, /* SG bo to DMA map pages from a userptr bo */ + KFD_MEM_ATT_DMABUF, /* DMAbuf to DMA map TTM BOs */ }; struct kfd_mem_attachment { @@ -62,6 +63,7 @@ struct kfd_mem_attachment { struct kgd_mem { struct mutex lock; struct amdgpu_bo *bo; + struct dma_buf *dmabuf; struct list_head attachments; /* protected by amdkfd_process_info.lock */ struct ttm_validate_buffer validate_list; |