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c37efb99 CW |
1 | /* |
2 | * Copyright 2016 Intel Corporation | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a | |
5 | * copy of this software and associated documentation files (the "Software"), | |
6 | * to deal in the Software without restriction, including without limitation | |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
8 | * and/or sell copies of the Software, and to permit persons to whom the | |
9 | * Software is furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice (including the next | |
12 | * paragraph) shall be included in all copies or substantial portions of the | |
13 | * Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |
21 | * DEALINGS IN THE SOFTWARE. | |
22 | * | |
23 | */ | |
24 | ||
25 | #ifndef _I915_GEM_DMABUF_H_ | |
26 | #define _I915_GEM_DMABUF_H_ | |
27 | ||
28 | #include <linux/dma-buf.h> | |
29 | ||
30 | static inline struct reservation_object * | |
31 | i915_gem_object_get_dmabuf_resv(struct drm_i915_gem_object *obj) | |
32 | { | |
33 | struct dma_buf *dma_buf; | |
34 | ||
35 | if (obj->base.dma_buf) | |
36 | dma_buf = obj->base.dma_buf; | |
37 | else if (obj->base.import_attach) | |
38 | dma_buf = obj->base.import_attach->dmabuf; | |
39 | else | |
40 | return NULL; | |
41 | ||
42 | return dma_buf->resv; | |
43 | } | |
44 | ||
45 | #endif |