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@xxxxxxxxxxx> --- drivers/gpu/drm/exynos/exynos_drm_iommu.c | 4 ++-- 1 file 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; } -- 1.9.2 -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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