1 | /* |
2 | * Copyright 2014 Canonical |
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 shall be included in |
12 | * all copies or substantial portions of the Software. |
13 | * |
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
17 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
18 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
20 | * OTHER DEALINGS IN THE SOFTWARE. |
21 | * |
22 | * Authors: Andreas Pokorny |
23 | */ |
24 | |
25 | #include "qxl_drv.h" |
26 | #include "qxl_object.h" |
27 | |
28 | /* Empty Implementations as there should not be any other driver for a virtual |
29 | * device that might share buffers with qxl */ |
30 | |
31 | int qxl_gem_prime_pin(struct drm_gem_object *obj) |
32 | { |
33 | struct qxl_bo *bo = gem_to_qxl_bo(obj); |
34 | |
35 | return qxl_bo_pin(bo); |
36 | } |
37 | |
38 | void qxl_gem_prime_unpin(struct drm_gem_object *obj) |
39 | { |
40 | struct qxl_bo *bo = gem_to_qxl_bo(obj); |
41 | |
42 | qxl_bo_unpin(bo); |
43 | } |
44 | |
45 | struct sg_table *qxl_gem_prime_get_sg_table(struct drm_gem_object *obj) |
46 | { |
47 | return ERR_PTR(error: -ENOSYS); |
48 | } |
49 | |
50 | struct drm_gem_object *qxl_gem_prime_import_sg_table( |
51 | struct drm_device *dev, struct dma_buf_attachment *attach, |
52 | struct sg_table *table) |
53 | { |
54 | return ERR_PTR(error: -ENOSYS); |
55 | } |
56 | |
57 | int qxl_gem_prime_vmap(struct drm_gem_object *obj, struct iosys_map *map) |
58 | { |
59 | struct qxl_bo *bo = gem_to_qxl_bo(obj); |
60 | int ret; |
61 | |
62 | ret = qxl_bo_vmap_locked(bo, map); |
63 | if (ret < 0) |
64 | return ret; |
65 | |
66 | return 0; |
67 | } |
68 | |
69 | void qxl_gem_prime_vunmap(struct drm_gem_object *obj, |
70 | struct iosys_map *map) |
71 | { |
72 | struct qxl_bo *bo = gem_to_qxl_bo(obj); |
73 | |
74 | qxl_bo_vunmap_locked(bo); |
75 | } |
76 | |