[PATCH] drm/exynos: add iommu support for g2d

This patch adds iommu support for g2d driver. For this, it adds subdrv_probe/remove callback to enable or disable g2d iommu. And with this patch, in case of using g2d iommu, we can get or put device address to a gem handle from user through exynos_drm_gem_get/put_dma_addr(). Actually, these functio

[PATCH] drm/exynos: add iommu support for g2d

This patch adds iommu support for g2d driver. For this, it adds subdrv_probe/remove callback to enable or disable g2d iommu. And with this patch, in case of using g2d iommu, we can get or put device address to a gem handle from user through exynos_drm_gem_get/put_dma_addr(). Actually, these functio