From d81f3431e61771028acb69a23601ef5379e39f2a Mon Sep 17 00:00:00 2001 From: Thierry Reding Date: Fri, 8 Jun 2018 14:56:04 +0200 Subject: [PATCH] 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: Thierry Reding --- drivers/gpu/drm/tegra/gem.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/tegra/gem.c b/drivers/gpu/drm/tegra/gem.c index 7412e23500d1..3345cce14662 100644 --- a/drivers/gpu/drm/tegra/gem.c +++ b/drivers/gpu/drm/tegra/gem.c @@ -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;