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/drmP.h> 27 #include <drm/drm.h> 28 29 #include "qxl_drv.h" 30 #include "qxl_object.h" 31 32 void qxl_gem_object_free(struct drm_gem_object *gobj) 33 { 34 struct qxl_bo *qobj = gem_to_qxl_bo(gobj); 35 struct qxl_device *qdev; 36 struct ttm_buffer_object *tbo; 37 38 qdev = (struct qxl_device *)gobj->dev->dev_private; 39 40 qxl_surface_evict(qdev, qobj, false); 41 42 tbo = &qobj->tbo; 43 ttm_bo_unref(&tbo); 44 } 45 46 int qxl_gem_object_create(struct qxl_device *qdev, int size, 47 int alignment, int initial_domain, 48 bool discardable, bool kernel, 49 struct qxl_surface *surf, 50 struct drm_gem_object **obj) 51 { 52 struct qxl_bo *qbo; 53 int r; 54 55 *obj = NULL; 56 /* At least align on page size */ 57 if (alignment < PAGE_SIZE) 58 alignment = PAGE_SIZE; 59 r = qxl_bo_create(qdev, size, kernel, false, initial_domain, surf, &qbo); 60 if (r) { 61 if (r != -ERESTARTSYS) 62 DRM_ERROR( 63 "Failed to allocate GEM object (%d, %d, %u, %d)\n", 64 size, initial_domain, alignment, r); 65 return r; 66 } 67 *obj = &qbo->gem_base; 68 69 mutex_lock(&qdev->gem.mutex); 70 list_add_tail(&qbo->list, &qdev->gem.objects); 71 mutex_unlock(&qdev->gem.mutex); 72 73 return 0; 74 } 75 76 int qxl_gem_object_create_with_handle(struct qxl_device *qdev, 77 struct drm_file *file_priv, 78 u32 domain, 79 size_t size, 80 struct qxl_surface *surf, 81 struct qxl_bo **qobj, 82 uint32_t *handle) 83 { 84 struct drm_gem_object *gobj; 85 int r; 86 87 BUG_ON(!qobj); 88 BUG_ON(!handle); 89 90 r = qxl_gem_object_create(qdev, size, 0, 91 domain, 92 false, false, surf, 93 &gobj); 94 if (r) 95 return -ENOMEM; 96 r = drm_gem_handle_create(file_priv, gobj, handle); 97 if (r) 98 return r; 99 /* drop reference from allocate - handle holds it now */ 100 *qobj = gem_to_qxl_bo(gobj); 101 drm_gem_object_put_unlocked(gobj); 102 return 0; 103 } 104 105 int qxl_gem_object_open(struct drm_gem_object *obj, struct drm_file *file_priv) 106 { 107 return 0; 108 } 109 110 void qxl_gem_object_close(struct drm_gem_object *obj, 111 struct drm_file *file_priv) 112 { 113 } 114 115 void qxl_gem_init(struct qxl_device *qdev) 116 { 117 INIT_LIST_HEAD(&qdev->gem.objects); 118 } 119 120 void qxl_gem_fini(struct qxl_device *qdev) 121 { 122 qxl_bo_force_delete(qdev); 123 } 124