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| author | Thierry Reding <treding@nvidia.com> | 2018-06-08 14:56:04 +0200 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2019-10-28 11:18:39 +0100 |
| commit | d81f3431e61771028acb69a23601ef5379e39f2a (patch) | |
| tree | 06a113be9751d8307ce75a74020e22420f7ad8c5 /drivers/gpu/drm/tegra/gem.c | |
| parent | 7e3c53a096a9e75b12e69f93ef1fbc7cb1b27297 (diff) | |
| download | lwn-d81f3431e61771028acb69a23601ef5379e39f2a.tar.gz lwn-d81f3431e61771028acb69a23601ef5379e39f2a.zip | |
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 <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, 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; |