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| Rev 5060 | Rev 5271 | ||
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| Line 33... | Line 33... | ||
| 33 | #include |
33 | #include |
| 34 | #include |
34 | #include |
| 35 | #include |
35 | #include |
| 36 | #include |
36 | #include |
| 37 | #include |
37 | #include |
| - | 38 | #include |
|
| - | 39 | #include "drm_internal.h" |
|
| Line 38... | Line 40... | ||
| 38 | 40 | ||
| 39 | /** @file drm_gem.c |
41 | /** @file drm_gem.c |
| 40 | * |
42 | * |
| 41 | * This file provides some of the base ioctls and library routines for |
43 | * This file provides some of the base ioctls and library routines for |
| Line 141... | Line 143... | ||
| 141 | return 0; |
143 | return 0; |
| 142 | } |
144 | } |
| 143 | EXPORT_SYMBOL(drm_gem_object_init); |
145 | EXPORT_SYMBOL(drm_gem_object_init); |
| Line 144... | Line 146... | ||
| 144 | 146 | ||
| 145 | /** |
147 | /** |
| 146 | * drm_gem_object_init - initialize an allocated private GEM object |
148 | * drm_gem_private_object_init - initialize an allocated private GEM object |
| 147 | * @dev: drm_device the object should be initialized for |
149 | * @dev: drm_device the object should be initialized for |
| 148 | * @obj: drm_gem_object to initialize |
150 | * @obj: drm_gem_object to initialize |
| 149 | * @size: object size |
151 | * @size: object size |
| 150 | * |
152 | * |
| Line 166... | Line 168... | ||
| 166 | drm_vma_node_reset(&obj->vma_node); |
168 | drm_vma_node_reset(&obj->vma_node); |
| 167 | } |
169 | } |
| 168 | EXPORT_SYMBOL(drm_gem_private_object_init); |
170 | EXPORT_SYMBOL(drm_gem_private_object_init); |
| Line 169... | Line 171... | ||
| 169 | 171 | ||
| 170 | /** |
172 | /** |
| 171 | * drm_gem_object_free - release resources bound to userspace handles |
173 | * drm_gem_object_handle_free - release resources bound to userspace handles |
| 172 | * @obj: GEM object to clean up. |
174 | * @obj: GEM object to clean up. |
| 173 | * |
175 | * |
| 174 | * Called after the last handle to the object has been closed |
176 | * Called after the last handle to the object has been closed |
| 175 | * |
177 | * |
| Line 276... | Line 278... | ||
| 276 | 278 | ||
| 277 | /** |
279 | /** |
| 278 | * drm_gem_handle_create_tail - internal functions to create a handle |
280 | * drm_gem_handle_create_tail - internal functions to create a handle |
| 279 | * @file_priv: drm file-private structure to register the handle for |
281 | * @file_priv: drm file-private structure to register the handle for |
| 280 | * @obj: object to register |
282 | * @obj: object to register |
| 281 | * @handlep: pionter to return the created handle to the caller |
283 | * @handlep: pointer to return the created handle to the caller |
| 282 | * |
284 | * |
| 283 | * This expects the dev->object_name_lock to be held already and will drop it |
285 | * This expects the dev->object_name_lock to be held already and will drop it |
| 284 | * before returning. Used to avoid races in establishing new handles when |
286 | * before returning. Used to avoid races in establishing new handles when |
| 285 | * importing an object from either an flink name or a dma-buf. |
287 | * importing an object from either an flink name or a dma-buf. |
| Line 329... | Line 331... | ||
| 329 | 331 | ||
| 330 | return 0; |
332 | return 0; |
| Line 331... | Line 333... | ||
| 331 | } |
333 | } |
| 332 | 334 | ||
| 333 | /** |
335 | /** |
| 334 | * gem_handle_create - create a gem handle for an object |
336 | * drm_gem_handle_create - create a gem handle for an object |
| 335 | * @file_priv: drm file-private structure to register the handle for |
337 | * @file_priv: drm file-private structure to register the handle for |
| 336 | * @obj: object to register |
338 | * @obj: object to register |
| 337 | * @handlep: pionter to return the created handle to the caller |
339 | * @handlep: pionter to return the created handle to the caller |
| 338 | * |
340 | * |
| 339 | * Create a handle for this object. This adds a handle reference |
341 | * Create a handle for this object. This adds a handle reference |
| 340 | * to the object, which includes a regular reference count. Callers |
342 | * to the object, which includes a regular reference count. Callers |
| 341 | * will likely want to dereference the object afterwards. |
- | |
| 342 | */ |
343 | * will likely want to dereference the object afterwards. |
| 343 | int |
344 | */ |
| 344 | drm_gem_handle_create(struct drm_file *file_priv, |
345 | int drm_gem_handle_create(struct drm_file *file_priv, |
| 345 | struct drm_gem_object *obj, |
346 | struct drm_gem_object *obj, |
| 346 | u32 *handlep) |
347 | u32 *handlep) |
| Line 549... | Line 550... | ||
| 549 | struct drm_file *file_priv) |
550 | struct drm_file *file_priv) |
| 550 | { |
551 | { |
| 551 | struct drm_gem_close *args = data; |
552 | struct drm_gem_close *args = data; |
| 552 | int ret; |
553 | int ret; |
| Line 553... | Line 554... | ||
| 553 | 554 | ||
| 554 | if (!(dev->driver->driver_features & DRIVER_GEM)) |
555 | if (!drm_core_check_feature(dev, DRIVER_GEM)) |
| Line 555... | Line 556... | ||
| 555 | return -ENODEV; |
556 | return -ENODEV; |
| Line 556... | Line 557... | ||
| 556 | 557 | ||
| Line 576... | Line 577... | ||
| 576 | { |
577 | { |
| 577 | struct drm_gem_flink *args = data; |
578 | struct drm_gem_flink *args = data; |
| 578 | struct drm_gem_object *obj; |
579 | struct drm_gem_object *obj; |
| 579 | int ret; |
580 | int ret; |
| Line 580... | Line 581... | ||
| 580 | 581 | ||
| 581 | if (!(dev->driver->driver_features & DRIVER_GEM)) |
582 | if (!drm_core_check_feature(dev, DRIVER_GEM)) |
| Line 582... | Line 583... | ||
| 582 | return -ENODEV; |
583 | return -ENODEV; |
| 583 | 584 | ||
| 584 | obj = drm_gem_object_lookup(dev, file_priv, args->handle); |
585 | obj = drm_gem_object_lookup(dev, file_priv, args->handle); |
| Line 629... | Line 630... | ||
| 629 | struct drm_gem_open *args = data; |
630 | struct drm_gem_open *args = data; |
| 630 | struct drm_gem_object *obj; |
631 | struct drm_gem_object *obj; |
| 631 | int ret; |
632 | int ret; |
| 632 | u32 handle; |
633 | u32 handle; |
| Line 633... | Line 634... | ||
| 633 | 634 | ||
| 634 | if (!(dev->driver->driver_features & DRIVER_GEM)) |
635 | if (!drm_core_check_feature(dev, DRIVER_GEM)) |
| Line 635... | Line 636... | ||
| 635 | return -ENODEV; |
636 | return -ENODEV; |
| 636 | 637 | ||
| 637 | mutex_lock(&dev->object_name_lock); |
638 | mutex_lock(&dev->object_name_lock); |