drm/amdgpu: add independent DMA-buf import v9

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Instead of relying on the DRM functions just implement our own import
functions. This prepares support for taking care of unpinned DMA-buf.

v2: enable for all exporters, not just amdgpu, fix invalidation
    handling, lock reservation object while setting callback
v3: change to new dma_buf attach interface
v4: split out from unpinned DMA-buf work
v5: rebased and cleanup on new DMA-buf interface
v6: squash with invalidation callback change,
    stop using _(map|unmap)_locked
v7: drop invalidations when the BO is already in system domain
v8: rebase on new DMA-buf patch and drop move notification
v9: cleanup comments

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/337948/

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This commit is contained in:

Christian König 2018-06-07 10:28:47 +02:00

parent 6e6db2722c

commit a39414716c

4 changed files with 52 additions and 28 deletions

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45

drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c

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4

drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.h

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1

drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c

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32

drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c

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