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 1/*
 2 * Copyright (C) 2013 Red Hat
 3 * Author: Rob Clark <robdclark@gmail.com>
 4 *
 5 * This program is free software; you can redistribute it and/or modify it
 6 * under the terms of the GNU General Public License version 2 as published by
 7 * the Free Software Foundation.
 8 *
 9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
12 * more details.
13 *
14 * You should have received a copy of the GNU General Public License along with
15 * this program.  If not, see <http://www.gnu.org/licenses/>.
16 */
17
18#include "msm_drv.h"
19#include "msm_gem.h"
20
21
22struct sg_table *msm_gem_prime_get_sg_table(struct drm_gem_object *obj)
23{
24	struct msm_gem_object *msm_obj = to_msm_bo(obj);
25	BUG_ON(!msm_obj->sgt);  /* should have already pinned! */
26	return msm_obj->sgt;
27}
28
29void *msm_gem_prime_vmap(struct drm_gem_object *obj)
30{
31	return msm_gem_vaddr(obj);
32}
33
34void msm_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr)
35{
36	/* TODO msm_gem_vunmap() */
37}
38
39struct drm_gem_object *msm_gem_prime_import_sg_table(struct drm_device *dev,
40		size_t size, struct sg_table *sg)
41{
42	return msm_gem_import(dev, size, sg);
43}
44
45int msm_gem_prime_pin(struct drm_gem_object *obj)
46{
47	if (!obj->import_attach)
48		msm_gem_get_pages(obj);
49	return 0;
50}
51
52void msm_gem_prime_unpin(struct drm_gem_object *obj)
53{
54	if (!obj->import_attach)
55		msm_gem_put_pages(obj);
56}