Commit bcfe4e25 authored by Marek Szyprowski's avatar Marek Szyprowski Committed by Inki Dae

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: default avatarMarek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: default avatarInki Dae <inki.dae@samsung.com>
parent 45286858
...@@ -117,8 +117,8 @@ int drm_iommu_attach_device(struct drm_device *drm_dev, ...@@ -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 * If iommu attach succeeded, the sub driver would have dma_ops
* for iommu and also all sub drivers have same dma_ops. * for iommu and also all sub drivers have same dma_ops.
*/ */
if (!dev->archdata.dma_ops) if (get_dma_ops(dev) == get_dma_ops(NULL))
dev->archdata.dma_ops = subdrv_dev->archdata.dma_ops; set_dma_ops(dev, get_dma_ops(subdrv_dev));
return 0; return 0;
} }
......
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