diff options
| author | Thierry Reding <treding@nvidia.com> | 2018-06-08 14:59:13 +0200 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2019-10-28 11:18:40 +0100 |
| commit | 8b5a3c17a2778fba817c38beb545bc48228b8da5 (patch) | |
| tree | 538698212bf337e97417f14876400ae4c100ce35 /drivers/gpu/drm/tegra/gem.c | |
| parent | drm/tegra: gem: Use dma_get_sgtable() (diff) | |
| download | linux-8b5a3c17a2778fba817c38beb545bc48228b8da5.tar.xz linux-8b5a3c17a2778fba817c38beb545bc48228b8da5.zip | |
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.c | 6 |
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: |