summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c29
1 files changed, 12 insertions, 17 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..e0c4f7c7f1b9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
@@ -321,17 +321,12 @@ 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 +429,22 @@ 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;