From: Eunchul Kim <chulspro.kim@samsung.com>
Date: Fri, 14 Dec 2012 08:58:54 +0000 (+0900)
Subject: drm/exynos: add iommu support for ipp
X-Git-Tag: v3.8-rc1~82^2~1^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c12e2617b25535014a766a0bc3e05134ef817b82;p=pandora-kernel.git

drm/exynos: add iommu support for ipp

This patch adds iommu support for IPP subsystem framework.
For this, it adds subdrv_probe/remove callback to enable or
disable ipp iommu.
We can get or put device address to a gem handle from user
through exynos_drm_gem_get/put_dma_addr().

Signed-off-by: Eunchul Kim <chulspro.kim@samsung.com>
Signed-off-by: Jinyoung Jeon <jy0.jeon@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
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