From: Jan Kara <jack@suse.cz>
Date: Mon, 20 Jul 2015 08:03:35 +0000 (-0300)
Subject: [media] drm/exynos: Convert g2d_userptr_get_dma_addr() to use get_vaddr_frames()
X-Git-Tag: omap-for-v4.3/fixes-rc1~26^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=63540f01917c0d8b03b9813a0d6539469b163139;p=pandora-kernel.git

[media] drm/exynos: Convert g2d_userptr_get_dma_addr() to use get_vaddr_frames()

Convert g2d_userptr_get_dma_addr() to pin pages using get_vaddr_frames().
This removes the knowledge about vmas and mmap_sem locking from exynos
driver. Also it fixes a problem that the function has been mapping user
provided address without holding mmap_sem.

Acked-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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