Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /** |
2 | * \file drm_stub.h | |
3 | * Stub support | |
4 | * | |
5 | * \author Rickard E. (Rik) Faith <faith@valinux.com> | |
6 | */ | |
7 | ||
8 | /* | |
9 | * Created: Fri Jan 19 10:48:35 2001 by faith@acm.org | |
10 | * | |
11 | * Copyright 2001 VA Linux Systems, Inc., Sunnyvale, California. | |
12 | * All Rights Reserved. | |
13 | * | |
14 | * Permission is hereby granted, free of charge, to any person obtaining a | |
15 | * copy of this software and associated documentation files (the "Software"), | |
16 | * to deal in the Software without restriction, including without limitation | |
17 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
18 | * and/or sell copies of the Software, and to permit persons to whom the | |
19 | * Software is furnished to do so, subject to the following conditions: | |
20 | * | |
21 | * The above copyright notice and this permission notice (including the next | |
22 | * paragraph) shall be included in all copies or substantial portions of the | |
23 | * Software. | |
24 | * | |
25 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
26 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
27 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
28 | * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
29 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
30 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |
31 | * DEALINGS IN THE SOFTWARE. | |
32 | */ | |
33 | ||
34 | #include <linux/module.h> | |
35 | #include <linux/moduleparam.h> | |
5a0e3ad6 | 36 | #include <linux/slab.h> |
760285e7 DH |
37 | #include <drm/drmP.h> |
38 | #include <drm/drm_core.h> | |
1da177e4 | 39 | |
b5e89ed5 | 40 | unsigned int drm_debug = 0; /* 1 to enable debug output */ |
1da177e4 LT |
41 | EXPORT_SYMBOL(drm_debug); |
42 | ||
27641c3f MK |
43 | unsigned int drm_vblank_offdelay = 5000; /* Default to 5000 msecs. */ |
44 | EXPORT_SYMBOL(drm_vblank_offdelay); | |
45 | ||
46 | unsigned int drm_timestamp_precision = 20; /* Default to 20 usecs. */ | |
47 | EXPORT_SYMBOL(drm_timestamp_precision); | |
48 | ||
c61eef72 ID |
49 | /* |
50 | * Default to use monotonic timestamps for wait-for-vblank and page-flip | |
51 | * complete events. | |
52 | */ | |
53 | unsigned int drm_timestamp_monotonic = 1; | |
54 | ||
b5e89ed5 DA |
55 | MODULE_AUTHOR(CORE_AUTHOR); |
56 | MODULE_DESCRIPTION(CORE_DESC); | |
1da177e4 | 57 | MODULE_LICENSE("GPL and additional rights"); |
1da177e4 | 58 | MODULE_PARM_DESC(debug, "Enable debug output"); |
27641c3f MK |
59 | MODULE_PARM_DESC(vblankoffdelay, "Delay until vblank irq auto-disable [msecs]"); |
60 | MODULE_PARM_DESC(timestamp_precision_usec, "Max. error on timestamps [usecs]"); | |
c61eef72 | 61 | MODULE_PARM_DESC(timestamp_monotonic, "Use monotonic timestamps"); |
1da177e4 | 62 | |
c0758146 | 63 | module_param_named(debug, drm_debug, int, 0600); |
27641c3f MK |
64 | module_param_named(vblankoffdelay, drm_vblank_offdelay, int, 0600); |
65 | module_param_named(timestamp_precision_usec, drm_timestamp_precision, int, 0600); | |
c61eef72 | 66 | module_param_named(timestamp_monotonic, drm_timestamp_monotonic, int, 0600); |
1da177e4 | 67 | |
2c14f28b DA |
68 | struct idr drm_minors_idr; |
69 | ||
0650fd58 | 70 | struct class *drm_class; |
1da177e4 | 71 | struct proc_dir_entry *drm_proc_root; |
955b12de | 72 | struct dentry *drm_debugfs_root; |
5ad3d883 JP |
73 | |
74 | int drm_err(const char *func, const char *format, ...) | |
75 | { | |
76 | struct va_format vaf; | |
77 | va_list args; | |
78 | int r; | |
79 | ||
80 | va_start(args, format); | |
81 | ||
82 | vaf.fmt = format; | |
83 | vaf.va = &args; | |
84 | ||
85 | r = printk(KERN_ERR "[" DRM_NAME ":%s] *ERROR* %pV", func, &vaf); | |
86 | ||
87 | va_end(args); | |
88 | ||
89 | return r; | |
90 | } | |
91 | EXPORT_SYMBOL(drm_err); | |
92 | ||
4fefcb27 | 93 | void drm_ut_debug_printk(unsigned int request_level, |
94 | const char *prefix, | |
95 | const char *function_name, | |
96 | const char *format, ...) | |
97 | { | |
98 | va_list args; | |
1da177e4 | 99 | |
4fefcb27 | 100 | if (drm_debug & request_level) { |
101 | if (function_name) | |
102 | printk(KERN_DEBUG "[%s:%s], ", prefix, function_name); | |
103 | va_start(args, format); | |
104 | vprintk(format, args); | |
105 | va_end(args); | |
106 | } | |
107 | } | |
108 | EXPORT_SYMBOL(drm_ut_debug_printk); | |
5ad3d883 | 109 | |
2c14f28b DA |
110 | static int drm_minor_get_id(struct drm_device *dev, int type) |
111 | { | |
112 | int new_id; | |
113 | int ret; | |
114 | int base = 0, limit = 63; | |
115 | ||
f453ba04 DA |
116 | if (type == DRM_MINOR_CONTROL) { |
117 | base += 64; | |
118 | limit = base + 127; | |
119 | } else if (type == DRM_MINOR_RENDER) { | |
120 | base += 128; | |
121 | limit = base + 255; | |
122 | } | |
123 | ||
2c14f28b DA |
124 | again: |
125 | if (idr_pre_get(&drm_minors_idr, GFP_KERNEL) == 0) { | |
126 | DRM_ERROR("Out of memory expanding drawable idr\n"); | |
127 | return -ENOMEM; | |
128 | } | |
129 | mutex_lock(&dev->struct_mutex); | |
130 | ret = idr_get_new_above(&drm_minors_idr, NULL, | |
131 | base, &new_id); | |
132 | mutex_unlock(&dev->struct_mutex); | |
f1ae126c | 133 | if (ret == -EAGAIN) |
2c14f28b | 134 | goto again; |
f1ae126c | 135 | else if (ret) |
2c14f28b | 136 | return ret; |
2c14f28b DA |
137 | |
138 | if (new_id >= limit) { | |
139 | idr_remove(&drm_minors_idr, new_id); | |
140 | return -EINVAL; | |
141 | } | |
142 | return new_id; | |
143 | } | |
144 | ||
7c1c2871 DA |
145 | struct drm_master *drm_master_create(struct drm_minor *minor) |
146 | { | |
147 | struct drm_master *master; | |
148 | ||
9a298b2a | 149 | master = kzalloc(sizeof(*master), GFP_KERNEL); |
7c1c2871 DA |
150 | if (!master) |
151 | return NULL; | |
152 | ||
153 | kref_init(&master->refcount); | |
154 | spin_lock_init(&master->lock.spinlock); | |
155 | init_waitqueue_head(&master->lock.lock_queue); | |
156 | drm_ht_create(&master->magiclist, DRM_MAGIC_HASH_ORDER); | |
157 | INIT_LIST_HEAD(&master->magicfree); | |
158 | master->minor = minor; | |
159 | ||
160 | list_add_tail(&master->head, &minor->master_list); | |
161 | ||
162 | return master; | |
163 | } | |
164 | ||
165 | struct drm_master *drm_master_get(struct drm_master *master) | |
166 | { | |
167 | kref_get(&master->refcount); | |
168 | return master; | |
169 | } | |
85bb0c37 | 170 | EXPORT_SYMBOL(drm_master_get); |
7c1c2871 DA |
171 | |
172 | static void drm_master_destroy(struct kref *kref) | |
173 | { | |
174 | struct drm_master *master = container_of(kref, struct drm_master, refcount); | |
175 | struct drm_magic_entry *pt, *next; | |
176 | struct drm_device *dev = master->minor->dev; | |
c1ff85d9 | 177 | struct drm_map_list *r_list, *list_temp; |
7c1c2871 DA |
178 | |
179 | list_del(&master->head); | |
180 | ||
181 | if (dev->driver->master_destroy) | |
182 | dev->driver->master_destroy(dev, master); | |
183 | ||
c1ff85d9 DA |
184 | list_for_each_entry_safe(r_list, list_temp, &dev->maplist, head) { |
185 | if (r_list->master == master) { | |
186 | drm_rmmap_locked(dev, r_list->map); | |
187 | r_list = NULL; | |
188 | } | |
189 | } | |
190 | ||
7c1c2871 | 191 | if (master->unique) { |
9a298b2a | 192 | kfree(master->unique); |
7c1c2871 DA |
193 | master->unique = NULL; |
194 | master->unique_len = 0; | |
195 | } | |
196 | ||
6e35023f CW |
197 | kfree(dev->devname); |
198 | dev->devname = NULL; | |
199 | ||
7c1c2871 DA |
200 | list_for_each_entry_safe(pt, next, &master->magicfree, head) { |
201 | list_del(&pt->head); | |
202 | drm_ht_remove_item(&master->magiclist, &pt->hash_item); | |
9a298b2a | 203 | kfree(pt); |
7c1c2871 DA |
204 | } |
205 | ||
206 | drm_ht_remove(&master->magiclist); | |
207 | ||
9a298b2a | 208 | kfree(master); |
7c1c2871 DA |
209 | } |
210 | ||
211 | void drm_master_put(struct drm_master **master) | |
212 | { | |
213 | kref_put(&(*master)->refcount, drm_master_destroy); | |
214 | *master = NULL; | |
215 | } | |
85bb0c37 | 216 | EXPORT_SYMBOL(drm_master_put); |
7c1c2871 DA |
217 | |
218 | int drm_setmaster_ioctl(struct drm_device *dev, void *data, | |
219 | struct drm_file *file_priv) | |
220 | { | |
4a1b0714 | 221 | int ret; |
862302ff | 222 | |
6b008426 JB |
223 | if (file_priv->is_master) |
224 | return 0; | |
225 | ||
7c1c2871 DA |
226 | if (file_priv->minor->master && file_priv->minor->master != file_priv->master) |
227 | return -EINVAL; | |
228 | ||
229 | if (!file_priv->master) | |
230 | return -EINVAL; | |
231 | ||
08bec5b4 DH |
232 | if (file_priv->minor->master) |
233 | return -EINVAL; | |
234 | ||
235 | mutex_lock(&dev->struct_mutex); | |
236 | file_priv->minor->master = drm_master_get(file_priv->master); | |
237 | file_priv->is_master = 1; | |
238 | if (dev->driver->master_set) { | |
239 | ret = dev->driver->master_set(dev, file_priv, false); | |
240 | if (unlikely(ret != 0)) { | |
241 | file_priv->is_master = 0; | |
242 | drm_master_put(&file_priv->minor->master); | |
862302ff | 243 | } |
7c1c2871 | 244 | } |
08bec5b4 | 245 | mutex_unlock(&dev->struct_mutex); |
7c1c2871 DA |
246 | |
247 | return 0; | |
248 | } | |
249 | ||
250 | int drm_dropmaster_ioctl(struct drm_device *dev, void *data, | |
251 | struct drm_file *file_priv) | |
252 | { | |
6b008426 | 253 | if (!file_priv->is_master) |
7c1c2871 | 254 | return -EINVAL; |
6b008426 | 255 | |
07f1c7a7 DA |
256 | if (!file_priv->minor->master) |
257 | return -EINVAL; | |
258 | ||
7c1c2871 | 259 | mutex_lock(&dev->struct_mutex); |
862302ff TH |
260 | if (dev->driver->master_drop) |
261 | dev->driver->master_drop(dev, file_priv, false); | |
7c1c2871 | 262 | drm_master_put(&file_priv->minor->master); |
6b008426 | 263 | file_priv->is_master = 0; |
7c1c2871 DA |
264 | mutex_unlock(&dev->struct_mutex); |
265 | return 0; | |
266 | } | |
267 | ||
dcdb1674 | 268 | int drm_fill_in_dev(struct drm_device *dev, |
b5e89ed5 DA |
269 | const struct pci_device_id *ent, |
270 | struct drm_driver *driver) | |
1da177e4 LT |
271 | { |
272 | int retcode; | |
273 | ||
bd1b331f | 274 | INIT_LIST_HEAD(&dev->filelist); |
7c158ace DA |
275 | INIT_LIST_HEAD(&dev->ctxlist); |
276 | INIT_LIST_HEAD(&dev->vmalist); | |
277 | INIT_LIST_HEAD(&dev->maplist); | |
c9a9c5e0 | 278 | INIT_LIST_HEAD(&dev->vblank_event_list); |
7c158ace | 279 | |
1da177e4 | 280 | spin_lock_init(&dev->count_lock); |
c9a9c5e0 | 281 | spin_lock_init(&dev->event_lock); |
30e2fb18 DA |
282 | mutex_init(&dev->struct_mutex); |
283 | mutex_init(&dev->ctxlist_mutex); | |
1da177e4 | 284 | |
8d153f71 | 285 | if (drm_ht_create(&dev->map_hash, 12)) { |
8d153f71 TH |
286 | return -ENOMEM; |
287 | } | |
836cf046 | 288 | |
1da177e4 LT |
289 | /* the DRM has 6 basic counters */ |
290 | dev->counters = 6; | |
b5e89ed5 DA |
291 | dev->types[0] = _DRM_STAT_LOCK; |
292 | dev->types[1] = _DRM_STAT_OPENS; | |
293 | dev->types[2] = _DRM_STAT_CLOSES; | |
294 | dev->types[3] = _DRM_STAT_IOCTLS; | |
295 | dev->types[4] = _DRM_STAT_LOCKS; | |
296 | dev->types[5] = _DRM_STAT_UNLOCKS; | |
1da177e4 LT |
297 | |
298 | dev->driver = driver; | |
b5e89ed5 | 299 | |
8410ea3b DA |
300 | if (dev->driver->bus->agp_init) { |
301 | retcode = dev->driver->bus->agp_init(dev); | |
302 | if (retcode) | |
1da177e4 | 303 | goto error_out_unreg; |
1da177e4 LT |
304 | } |
305 | ||
2716a02f | 306 | |
8410ea3b | 307 | |
b5e89ed5 DA |
308 | retcode = drm_ctxbitmap_init(dev); |
309 | if (retcode) { | |
310 | DRM_ERROR("Cannot allocate memory for context bitmap.\n"); | |
1da177e4 LT |
311 | goto error_out_unreg; |
312 | } | |
313 | ||
673a394b EA |
314 | if (driver->driver_features & DRIVER_GEM) { |
315 | retcode = drm_gem_init(dev); | |
316 | if (retcode) { | |
317 | DRM_ERROR("Cannot initialize graphics execution " | |
318 | "manager (GEM)\n"); | |
319 | goto error_out_unreg; | |
320 | } | |
321 | } | |
322 | ||
1da177e4 | 323 | return 0; |
b5e89ed5 DA |
324 | |
325 | error_out_unreg: | |
22eae947 | 326 | drm_lastclose(dev); |
1da177e4 LT |
327 | return retcode; |
328 | } | |
9c1dfc55 | 329 | EXPORT_SYMBOL(drm_fill_in_dev); |
1da177e4 | 330 | |
1da177e4 | 331 | |
1da177e4 LT |
332 | /** |
333 | * Get a secondary minor number. | |
334 | * | |
335 | * \param dev device data structure | |
336 | * \param sec-minor structure to hold the assigned minor | |
337 | * \return negative number on failure. | |
338 | * | |
339 | * Search an empty entry and initialize it to the given parameters, and | |
340 | * create the proc init entry via proc_init(). This routines assigns | |
341 | * minor numbers to secondary heads of multi-headed cards | |
342 | */ | |
dcdb1674 | 343 | int drm_get_minor(struct drm_device *dev, struct drm_minor **minor, int type) |
1da177e4 | 344 | { |
2c14f28b | 345 | struct drm_minor *new_minor; |
1da177e4 | 346 | int ret; |
2c14f28b | 347 | int minor_id; |
1da177e4 LT |
348 | |
349 | DRM_DEBUG("\n"); | |
350 | ||
2c14f28b DA |
351 | minor_id = drm_minor_get_id(dev, type); |
352 | if (minor_id < 0) | |
353 | return minor_id; | |
354 | ||
355 | new_minor = kzalloc(sizeof(struct drm_minor), GFP_KERNEL); | |
356 | if (!new_minor) { | |
357 | ret = -ENOMEM; | |
358 | goto err_idr; | |
359 | } | |
360 | ||
361 | new_minor->type = type; | |
362 | new_minor->device = MKDEV(DRM_MAJOR, minor_id); | |
363 | new_minor->dev = dev; | |
364 | new_minor->index = minor_id; | |
7c1c2871 | 365 | INIT_LIST_HEAD(&new_minor->master_list); |
2c14f28b DA |
366 | |
367 | idr_replace(&drm_minors_idr, new_minor, minor_id); | |
368 | ||
369 | if (type == DRM_MINOR_LEGACY) { | |
370 | ret = drm_proc_init(new_minor, minor_id, drm_proc_root); | |
371 | if (ret) { | |
372 | DRM_ERROR("DRM: Failed to initialize /proc/dri.\n"); | |
373 | goto err_mem; | |
1da177e4 | 374 | } |
2c14f28b | 375 | } else |
955b12de BG |
376 | new_minor->proc_root = NULL; |
377 | ||
378 | #if defined(CONFIG_DEBUG_FS) | |
379 | ret = drm_debugfs_init(new_minor, minor_id, drm_debugfs_root); | |
380 | if (ret) { | |
156f5a78 | 381 | DRM_ERROR("DRM: Failed to initialize /sys/kernel/debug/dri.\n"); |
955b12de BG |
382 | goto err_g2; |
383 | } | |
384 | #endif | |
2c14f28b DA |
385 | |
386 | ret = drm_sysfs_device_add(new_minor); | |
387 | if (ret) { | |
388 | printk(KERN_ERR | |
389 | "DRM: Error sysfs_device_add.\n"); | |
390 | goto err_g2; | |
1da177e4 | 391 | } |
2c14f28b DA |
392 | *minor = new_minor; |
393 | ||
394 | DRM_DEBUG("new minor assigned %d\n", minor_id); | |
395 | return 0; | |
396 | ||
397 | ||
398 | err_g2: | |
399 | if (new_minor->type == DRM_MINOR_LEGACY) | |
400 | drm_proc_cleanup(new_minor, drm_proc_root); | |
401 | err_mem: | |
402 | kfree(new_minor); | |
403 | err_idr: | |
404 | idr_remove(&drm_minors_idr, minor_id); | |
405 | *minor = NULL; | |
1da177e4 LT |
406 | return ret; |
407 | } | |
9c1dfc55 | 408 | EXPORT_SYMBOL(drm_get_minor); |
b5e89ed5 | 409 | |
1da177e4 LT |
410 | /** |
411 | * Put a secondary minor number. | |
412 | * | |
413 | * \param sec_minor - structure to be released | |
414 | * \return always zero | |
415 | * | |
416 | * Cleans up the proc resources. Not legal for this to be the | |
417 | * last minor released. | |
418 | * | |
419 | */ | |
2c14f28b | 420 | int drm_put_minor(struct drm_minor **minor_p) |
1da177e4 | 421 | { |
2c14f28b | 422 | struct drm_minor *minor = *minor_p; |
673a394b | 423 | |
2c14f28b | 424 | DRM_DEBUG("release secondary minor %d\n", minor->index); |
b5e89ed5 | 425 | |
2c14f28b DA |
426 | if (minor->type == DRM_MINOR_LEGACY) |
427 | drm_proc_cleanup(minor, drm_proc_root); | |
955b12de BG |
428 | #if defined(CONFIG_DEBUG_FS) |
429 | drm_debugfs_cleanup(minor); | |
430 | #endif | |
431 | ||
2c14f28b | 432 | drm_sysfs_device_remove(minor); |
1da177e4 | 433 | |
2c14f28b | 434 | idr_remove(&drm_minors_idr, minor->index); |
b5e89ed5 | 435 | |
2c14f28b DA |
436 | kfree(minor); |
437 | *minor_p = NULL; | |
1da177e4 LT |
438 | return 0; |
439 | } | |
9c1dfc55 | 440 | EXPORT_SYMBOL(drm_put_minor); |
112b715e | 441 | |
2c07a21d DA |
442 | static void drm_unplug_minor(struct drm_minor *minor) |
443 | { | |
444 | drm_sysfs_device_remove(minor); | |
445 | } | |
446 | ||
112b715e KH |
447 | /** |
448 | * Called via drm_exit() at module unload time or when pci device is | |
449 | * unplugged. | |
450 | * | |
451 | * Cleans up all DRM device, calling drm_lastclose(). | |
452 | * | |
112b715e KH |
453 | */ |
454 | void drm_put_dev(struct drm_device *dev) | |
455 | { | |
ecca0683 | 456 | struct drm_driver *driver; |
112b715e KH |
457 | struct drm_map_list *r_list, *list_temp; |
458 | ||
459 | DRM_DEBUG("\n"); | |
460 | ||
461 | if (!dev) { | |
462 | DRM_ERROR("cleanup called no dev\n"); | |
463 | return; | |
464 | } | |
ecca0683 | 465 | driver = dev->driver; |
112b715e | 466 | |
112b715e KH |
467 | drm_lastclose(dev); |
468 | ||
469 | if (drm_core_has_MTRR(dev) && drm_core_has_AGP(dev) && | |
470 | dev->agp && dev->agp->agp_mtrr >= 0) { | |
471 | int retval; | |
472 | retval = mtrr_del(dev->agp->agp_mtrr, | |
473 | dev->agp->agp_info.aper_base, | |
474 | dev->agp->agp_info.aper_size * 1024 * 1024); | |
475 | DRM_DEBUG("mtrr_del=%d\n", retval); | |
476 | } | |
477 | ||
478 | if (dev->driver->unload) | |
479 | dev->driver->unload(dev); | |
480 | ||
481 | if (drm_core_has_AGP(dev) && dev->agp) { | |
9a298b2a | 482 | kfree(dev->agp); |
112b715e KH |
483 | dev->agp = NULL; |
484 | } | |
485 | ||
b78315f0 JB |
486 | drm_vblank_cleanup(dev); |
487 | ||
112b715e KH |
488 | list_for_each_entry_safe(r_list, list_temp, &dev->maplist, head) |
489 | drm_rmmap(dev, r_list->map); | |
30ddbd94 BS |
490 | drm_ht_remove(&dev->map_hash); |
491 | ||
492 | drm_ctxbitmap_cleanup(dev); | |
112b715e KH |
493 | |
494 | if (drm_core_check_feature(dev, DRIVER_MODESET)) | |
495 | drm_put_minor(&dev->control); | |
496 | ||
497 | if (driver->driver_features & DRIVER_GEM) | |
498 | drm_gem_destroy(dev); | |
499 | ||
500 | drm_put_minor(&dev->primary); | |
501 | ||
a250b9fd | 502 | list_del(&dev->driver_item); |
66141d3d | 503 | kfree(dev->devname); |
9a298b2a | 504 | kfree(dev); |
112b715e KH |
505 | } |
506 | EXPORT_SYMBOL(drm_put_dev); | |
2c07a21d DA |
507 | |
508 | void drm_unplug_dev(struct drm_device *dev) | |
509 | { | |
510 | /* for a USB device */ | |
511 | if (drm_core_check_feature(dev, DRIVER_MODESET)) | |
512 | drm_unplug_minor(dev->control); | |
513 | drm_unplug_minor(dev->primary); | |
514 | ||
515 | mutex_lock(&drm_global_mutex); | |
516 | ||
517 | drm_device_set_unplugged(dev); | |
518 | ||
519 | if (dev->open_count == 0) { | |
520 | drm_put_dev(dev); | |
521 | } | |
522 | mutex_unlock(&drm_global_mutex); | |
523 | } | |
524 | EXPORT_SYMBOL(drm_unplug_dev); |