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drm/amdgpu: implement amdgpu_gem_prime_move_notify v2

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Implement the importer side of unpinned DMA-buf handling.

v2: update page tables immediately

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/353998/?series=73646&rev=1
This commit is contained in:
Christian König
2018-06-07 10:28:47 +02:00
parent 2d4dad2734
commit a448cb003e
2 changed files with 71 additions and 1 deletions
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6
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
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@@ -926,6 +926,9 @@ int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
return 0;
}
if (bo->tbo.base.import_attach)
dma_buf_pin(bo->tbo.base.import_attach);
bo->flags |= AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS;
/* force to pin into visible video ram */
if (!(bo->flags & AMDGPU_GEM_CREATE_NO_CPU_ACCESS))
@@ -1009,6 +1012,9 @@ int amdgpu_bo_unpin(struct amdgpu_bo *bo)
amdgpu_bo_subtract_pin_size(bo);
if (bo->tbo.base.import_attach)
dma_buf_unpin(bo->tbo.base.import_attach);
for (i = 0; i < bo->placement.num_placement; i++) {
bo->placements[i].lpfn = 0;
bo->placements[i].flags &= ~TTM_PL_FLAG_NO_EVICT;