drm/exynos: iommu: detach from default dma-mapping domain on init
This patch adds code, which detach sub-device nodes from default iommu domain if such has been configured. This lets Exynos DRM driver to properly attach sub-devices to its own, common for all sub-devices domain. Signed-off-by: NMarek Szyprowski <m.szyprowski@samsung.com> Tested-by: NJavier Martinez Canillas <javier.martinez@collabora.co.uk> Signed-off-by: NInki Dae <inki.dae@samsung.com>
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