diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c | 47 |
1 files changed, 27 insertions, 20 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c index 47e0b48dc26f..37ec59365080 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c @@ -214,9 +214,21 @@ static int amdgpu_dma_buf_pin(struct dma_buf_attachment *attach) { struct drm_gem_object *obj = attach->dmabuf->priv; struct amdgpu_bo *bo = gem_to_amdgpu_bo(obj); + int r; /* pin buffer into GTT */ - return amdgpu_bo_pin(bo, AMDGPU_GEM_DOMAIN_GTT); + r = amdgpu_bo_pin(bo, AMDGPU_GEM_DOMAIN_GTT); + if (r) + return r; + + if (bo->tbo.moving) { + r = dma_fence_wait(bo->tbo.moving, true); + if (r) { + amdgpu_bo_unpin(bo); + return r; + } + } + return 0; } /** @@ -291,8 +303,8 @@ static struct sg_table *amdgpu_dma_buf_map(struct dma_buf_attachment *attach, break; case TTM_PL_VRAM: - r = amdgpu_vram_mgr_alloc_sgt(adev, &bo->tbo.mem, attach->dev, - dir, &sgt); + r = amdgpu_vram_mgr_alloc_sgt(adev, &bo->tbo.mem, 0, + bo->tbo.base.size, attach->dev, dir, &sgt); if (r) return ERR_PTR(r); break; @@ -321,17 +333,12 @@ static void amdgpu_dma_buf_unmap(struct dma_buf_attachment *attach, struct sg_table *sgt, enum dma_data_direction dir) { - struct dma_buf *dma_buf = attach->dmabuf; - struct drm_gem_object *obj = dma_buf->priv; - struct amdgpu_bo *bo = gem_to_amdgpu_bo(obj); - struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev); - if (sgt->sgl->page_link) { dma_unmap_sgtable(attach->dev, sgt, dir, 0); sg_free_table(sgt); kfree(sgt); } else { - amdgpu_vram_mgr_free_sgt(adev, attach->dev, dir, sgt); + amdgpu_vram_mgr_free_sgt(attach->dev, dir, sgt); } } @@ -434,22 +441,22 @@ amdgpu_dma_buf_create_obj(struct drm_device *dev, struct dma_buf *dma_buf) { struct dma_resv *resv = dma_buf->resv; struct amdgpu_device *adev = drm_to_adev(dev); - struct amdgpu_bo *bo; - struct amdgpu_bo_param bp; struct drm_gem_object *gobj; + struct amdgpu_bo *bo; + uint64_t flags = 0; int ret; - memset(&bp, 0, sizeof(bp)); - bp.size = dma_buf->size; - bp.byte_align = PAGE_SIZE; - bp.domain = AMDGPU_GEM_DOMAIN_CPU; - bp.flags = 0; - bp.type = ttm_bo_type_sg; - bp.resv = resv; dma_resv_lock(resv, NULL); + + if (dma_buf->ops == &amdgpu_dmabuf_ops) { + struct amdgpu_bo *other = gem_to_amdgpu_bo(dma_buf->priv); + + flags |= other->flags & AMDGPU_GEM_CREATE_CPU_GTT_USWC; + } + ret = amdgpu_gem_object_create(adev, dma_buf->size, PAGE_SIZE, - AMDGPU_GEM_DOMAIN_CPU, - 0, ttm_bo_type_sg, resv, &gobj); + AMDGPU_GEM_DOMAIN_CPU, flags, + ttm_bo_type_sg, resv, &gobj); if (ret) goto error; |