From: Inki Dae <inki.dae@samsung.com>
Date: Fri, 7 Dec 2012 08:51:27 +0000 (+0900)
Subject: drm/exynos: use DMA_ATTR_NO_KERNEL_MAPPING attribute
X-Git-Tag: v3.8-rc1~82^2~1^2~18
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4744ad2414bd890d37a99df4726be733137aa3f7;p=pandora-kernel.git

drm/exynos: use DMA_ATTR_NO_KERNEL_MAPPING attribute

Changelog v3:
just code cleanup.

Changelog v2:
fix argument to dma_mmap_attr function.
- use pages instead of kvaddr because kvaddr is 0 with
  DMA_ATTR_NO_KERNEL_MAPPING.

Changelog v1:
When gem allocation is requested, kernel space mapping isn't needed.
But if need, such as console framebuffer, the physical pages would be
mapped with kernel space though vmap function.

Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
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