Commit d81f3431 authored by Thierry Reding's avatar Thierry Reding
Browse files

drm/tegra: gem: Use dma_get_sgtable() 



Rather than manually creating an SG table in an incorrect way, let the
standard dma_get_sgtable() function do it.

Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
parent 7e3c53a0

drivers/gpu/drm/tegra/gem.c

+2 −4
Original line number Diff line number Diff line
@@ -520,11 +520,9 @@ tegra_gem_prime_map_dma_buf(struct dma_buf_attachment *attach, 
		if (dma_map_sg(attach->dev, sgt->sgl, sgt->nents, dir) == 0)

			goto free;

	} else {

		if (sg_alloc_table(sgt, 1, GFP_KERNEL))

		if (dma_get_sgtable(attach->dev, sgt, bo->vaddr, bo->iova,

				    gem->size) < 0)

			goto free;



		sg_dma_address(sgt->sgl) = bo->iova;

		sg_dma_len(sgt->sgl) = gem->size;

	}



	return sgt;