From: Inki Dae <inki.dae@samsung.com>
Date: Fri, 16 Mar 2012 09:47:06 +0000 (+0900)
Subject: drm/exynos: added new funtion to get/put dma address.
X-Git-Tag: v3.4-rc1~143^2~12
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f0b1bda725c1c49620d2e7ae7405a247098cdb8e;p=pandora-kernel.git

drm/exynos: added new funtion to get/put dma address.

this function would be used for drm based 2d acceleration driver
to get/put dma address through gem handle.
when exynos_drm_get_dma_address is called reference count of
gem object would be increased not to be released by gem close and
when exynos_drm_put_dma_address is called the reference count of
this gem object would be decreased to be released.

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