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
qxl_gem_object_free(struct drm_gem_object * gobj)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, qobj, false);
40
41 tbo = &qobj->tbo;
42 ttm_bo_put(tbo);
43 }
44
qxl_gem_object_create(struct qxl_device * qdev,int size,int alignment,int initial_domain,bool discardable,bool kernel,struct qxl_surface * surf,struct drm_gem_object ** obj)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, false, initial_domain, 0, surf, &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(&qbo->list, &qdev->gem.objects);
70 mutex_unlock(&qdev->gem.mutex);
71
72 return 0;
73 }
74
qxl_gem_object_create_with_handle(struct qxl_device * qdev,struct drm_file * file_priv,u32 domain,size_t size,struct qxl_surface * surf,struct qxl_bo ** qobj,uint32_t * handle)75 int qxl_gem_object_create_with_handle(struct qxl_device *qdev,
76 struct drm_file *file_priv,
77 u32 domain,
78 size_t size,
79 struct qxl_surface *surf,
80 struct qxl_bo **qobj,
81 uint32_t *handle)
82 {
83 struct drm_gem_object *gobj;
84 int r;
85
86 BUG_ON(!qobj);
87 BUG_ON(!handle);
88
89 r = qxl_gem_object_create(qdev, size, 0,
90 domain,
91 false, false, surf,
92 &gobj);
93 if (r)
94 return -ENOMEM;
95 r = drm_gem_handle_create(file_priv, gobj, handle);
96 if (r)
97 return r;
98 /* drop reference from allocate - handle holds it now */
99 *qobj = gem_to_qxl_bo(gobj);
100 drm_gem_object_put(gobj);
101 return 0;
102 }
103
qxl_gem_object_open(struct drm_gem_object * obj,struct drm_file * file_priv)104 int qxl_gem_object_open(struct drm_gem_object *obj, struct drm_file *file_priv)
105 {
106 return 0;
107 }
108
qxl_gem_object_close(struct drm_gem_object * obj,struct drm_file * file_priv)109 void qxl_gem_object_close(struct drm_gem_object *obj,
110 struct drm_file *file_priv)
111 {
112 }
113
qxl_gem_init(struct qxl_device * qdev)114 void qxl_gem_init(struct qxl_device *qdev)
115 {
116 INIT_LIST_HEAD(&qdev->gem.objects);
117 }
118
qxl_gem_fini(struct qxl_device * qdev)119 void qxl_gem_fini(struct qxl_device *qdev)
120 {
121 qxl_bo_force_delete(qdev);
122 }
123