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authorThierry Reding <treding@nvidia.com>2018-06-08 15:59:13 +0300
committerThierry Reding <treding@nvidia.com>2019-10-28 13:18:40 +0300
commit8b5a3c17a2778fba817c38beb545bc48228b8da5 (patch)
tree538698212bf337e97417f14876400ae4c100ce35 /drivers/gpu/drm/tegra/gem.c
parentd81f3431e61771028acb69a23601ef5379e39f2a (diff)
downloadlinux-8b5a3c17a2778fba817c38beb545bc48228b8da5.tar.xz
drm/tegra: gem: Always map SG tables for DMA-BUFs
When an importer wants to map a DMA-BUF, make sure to always actually map it, irrespective of whether the buffer is contiguous or not. Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers/gpu/drm/tegra/gem.c')
-rw-r--r--drivers/gpu/drm/tegra/gem.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/tegra/gem.c b/drivers/gpu/drm/tegra/gem.c
index 3345cce14662..00701cadaceb 100644
--- a/drivers/gpu/drm/tegra/gem.c
+++ b/drivers/gpu/drm/tegra/gem.c
@@ -516,15 +516,15 @@ tegra_gem_prime_map_dma_buf(struct dma_buf_attachment *attach,
for_each_sg(sgt->sgl, sg, bo->num_pages, i)
sg_set_page(sg, bo->pages[i], PAGE_SIZE, 0);
-
- if (dma_map_sg(attach->dev, sgt->sgl, sgt->nents, dir) == 0)
- goto free;
} else {
if (dma_get_sgtable(attach->dev, sgt, bo->vaddr, bo->iova,
gem->size) < 0)
goto free;
}
+ if (dma_map_sg(attach->dev, sgt->sgl, sgt->nents, dir) == 0)
+ goto free;
+
return sgt;
free: