1 | /* |
2 | * Copyright 2013 Red Hat Inc. |
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: Dave Airlie |
23 | * Alon Levy |
24 | */ |
25 | |
26 | #include <drm/drm.h> |
27 | |
28 | #include "qxl_drv.h" |
29 | #include "qxl_object.h" |
30 | |
31 | void qxl_gem_object_free(struct drm_gem_object *gobj) |
32 | { |
33 | struct qxl_bo *qobj = gem_to_qxl_bo(gobj); |
34 | struct qxl_device *qdev; |
35 | struct ttm_buffer_object *tbo; |
36 | |
37 | qdev = to_qxl(gobj->dev); |
38 | |
39 | qxl_surface_evict(qdev, surf: qobj, freeing: false); |
40 | |
41 | tbo = &qobj->tbo; |
42 | ttm_bo_put(bo: tbo); |
43 | } |
44 | |
45 | int qxl_gem_object_create(struct qxl_device *qdev, int size, |
46 | int alignment, int initial_domain, |
47 | bool discardable, bool kernel, |
48 | struct qxl_surface *surf, |
49 | struct drm_gem_object **obj) |
50 | { |
51 | struct qxl_bo *qbo; |
52 | int r; |
53 | |
54 | *obj = NULL; |
55 | /* At least align on page size */ |
56 | if (alignment < PAGE_SIZE) |
57 | alignment = PAGE_SIZE; |
58 | r = qxl_bo_create(qdev, size, kernel, pinned: false, domain: initial_domain, priority: 0, surf, bo_ptr: &qbo); |
59 | if (r) { |
60 | if (r != -ERESTARTSYS) |
61 | DRM_ERROR( |
62 | "Failed to allocate GEM object (%d, %d, %u, %d)\n" , |
63 | size, initial_domain, alignment, r); |
64 | return r; |
65 | } |
66 | *obj = &qbo->tbo.base; |
67 | |
68 | mutex_lock(&qdev->gem.mutex); |
69 | list_add_tail(new: &qbo->list, head: &qdev->gem.objects); |
70 | mutex_unlock(lock: &qdev->gem.mutex); |
71 | |
72 | return 0; |
73 | } |
74 | |
75 | /* |
76 | * If the caller passed a valid gobj pointer, it is responsible to call |
77 | * drm_gem_object_put() when it no longer needs to acess the object. |
78 | * |
79 | * If gobj is NULL, it is handled internally. |
80 | */ |
81 | int qxl_gem_object_create_with_handle(struct qxl_device *qdev, |
82 | struct drm_file *file_priv, |
83 | u32 domain, |
84 | size_t size, |
85 | struct qxl_surface *surf, |
86 | struct drm_gem_object **gobj, |
87 | uint32_t *handle) |
88 | { |
89 | int r; |
90 | struct drm_gem_object *local_gobj; |
91 | |
92 | BUG_ON(!handle); |
93 | |
94 | r = qxl_gem_object_create(qdev, size, alignment: 0, |
95 | initial_domain: domain, |
96 | discardable: false, kernel: false, surf, |
97 | obj: &local_gobj); |
98 | if (r) |
99 | return -ENOMEM; |
100 | r = drm_gem_handle_create(file_priv, obj: local_gobj, handlep: handle); |
101 | if (r) |
102 | return r; |
103 | |
104 | if (gobj) |
105 | *gobj = local_gobj; |
106 | else |
107 | /* drop reference from allocate - handle holds it now */ |
108 | drm_gem_object_put(obj: local_gobj); |
109 | |
110 | return 0; |
111 | } |
112 | |
113 | int qxl_gem_object_open(struct drm_gem_object *obj, struct drm_file *file_priv) |
114 | { |
115 | return 0; |
116 | } |
117 | |
118 | void qxl_gem_object_close(struct drm_gem_object *obj, |
119 | struct drm_file *file_priv) |
120 | { |
121 | } |
122 | |
123 | void qxl_gem_init(struct qxl_device *qdev) |
124 | { |
125 | INIT_LIST_HEAD(list: &qdev->gem.objects); |
126 | } |
127 | |
128 | void qxl_gem_fini(struct qxl_device *qdev) |
129 | { |
130 | qxl_bo_force_delete(qdev); |
131 | } |
132 | |