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, qobj, false); 40 41 tbo = &qobj->tbo; 42 ttm_bo_put(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, 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 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 } 103 104 int qxl_gem_object_open(struct drm_gem_object *obj, struct drm_file *file_priv) 105 { 106 return 0; 107 } 108 109 void qxl_gem_object_close(struct drm_gem_object *obj, 110 struct drm_file *file_priv) 111 { 112 } 113 114 void qxl_gem_init(struct qxl_device *qdev) 115 { 116 INIT_LIST_HEAD(&qdev->gem.objects); 117 } 118 119 void qxl_gem_fini(struct qxl_device *qdev) 120 { 121 qxl_bo_force_delete(qdev); 122 } 123