From: Inki Dae <inki.dae@samsung.com>
Date: Thu, 8 Nov 2012 12:52:54 +0000 (+0900)
Subject: drm/exynos: add vm_ops to specific gem mmaper
X-Git-Tag: v3.8-rc1~82^2~13^2~12
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5b07c66059313fc998d28cf6775fd1a8bbb034aa;p=pandora-kernel.git

drm/exynos: add vm_ops to specific gem mmaper

Changelog v3:
use drm_file's file object instead of gem object's
- gem object's file represents the shmem storage so
  process-unique file object should be used instead.

Changelog v2:
call mutex_lock before drm_vm_open_locked is called.

Changelog v1:
This patch makes it takes a reference to gem object when
specific gem mmap is requested. For this, it sets
dev->driver->gem_vm_ops to vma->vm_ops.

And this patch is based on exynos-drm-next-iommu branch of
	git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos

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