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| author |   Marek Szyprowski <m.szyprowski@samsung.com> | 2015-06-03 10:26:24 +0200 |
|---|---|---|
| committer |   Inki Dae <daeinki@gmail.com> | 2015-06-20 00:33:00 +0900 |
| commit | bcfe4e25aa0385dc7bb1061595f8e4d69f74c61d (patch) | |
| tree | b1f985b3a518c8f26d3fc6616a44c2479b403842 /drivers/gpu/drm/exynos/exynos_drm_iommu.c | |
| parent | drm/exynos: iommu: detach from default dma-mapping domain on init (diff) | |
| download | linux-dev-bcfe4e25aa0385dc7bb1061595f8e4d69f74c61d.tar.xz linux-dev-bcfe4e25aa0385dc7bb1061595f8e4d69f74c61d.zip | |
drm/exynos: iommu: improve a check for non-iommu dma_ops
DRM Exynos driver is relying on dma-mapping internal structures when used
with IOMMU enabled. This patch partially hides dma-mapping internal things
by using proper get_dma_ops/set_dma_ops calls.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Diffstat (limited to '')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_iommu.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_iommu.c b/drivers/gpu/drm/exynos/exynos_drm_iommu.c index 323601a52a25..34596da7be33 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_iommu.c +++ b/drivers/gpu/drm/exynos/exynos_drm_iommu.c @@ -117,8 +117,8 @@ int drm_iommu_attach_device(struct drm_device *drm_dev, * If iommu attach succeeded, the sub driver would have dma_ops * for iommu and also all sub drivers have same dma_ops. */ - if (!dev->archdata.dma_ops) - dev->archdata.dma_ops = subdrv_dev->archdata.dma_ops; + if (get_dma_ops(dev) == get_dma_ops(NULL)) + set_dma_ops(dev, get_dma_ops(subdrv_dev)); return 0; } |