2 * Copyright 2012 Red Hat Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
25 #include <linux/console.h>
26 #include <linux/module.h>
27 #include <linux/pci.h>
29 #include <core/device.h>
30 #include <core/client.h>
31 #include <core/gpuobj.h>
32 #include <core/class.h>
34 #include <subdev/device.h>
35 #include <subdev/vm.h>
37 #include <engine/disp.h>
39 #include "nouveau_drm.h"
40 #include "nouveau_irq.h"
41 #include "nouveau_dma.h"
42 #include "nouveau_ttm.h"
43 #include "nouveau_gem.h"
44 #include "nouveau_agp.h"
45 #include "nouveau_vga.h"
46 #include "nouveau_pm.h"
47 #include "nouveau_acpi.h"
48 #include "nouveau_bios.h"
49 #include "nouveau_ioctl.h"
50 #include "nouveau_abi16.h"
51 #include "nouveau_fbcon.h"
52 #include "nouveau_fence.h"
53 #include "nouveau_debugfs.h"
55 MODULE_PARM_DESC(config, "option string to pass to driver core");
56 static char *nouveau_config;
57 module_param_named(config, nouveau_config, charp, 0400);
59 MODULE_PARM_DESC(debug, "debug string to pass to driver core");
60 static char *nouveau_debug;
61 module_param_named(debug, nouveau_debug, charp, 0400);
63 MODULE_PARM_DESC(noaccel, "disable kernel/abi16 acceleration");
64 static int nouveau_noaccel = 0;
65 module_param_named(noaccel, nouveau_noaccel, int, 0400);
67 MODULE_PARM_DESC(modeset, "enable driver (default: auto, "
68 "0 = disabled, 1 = enabled, 2 = headless)");
69 int nouveau_modeset = -1;
70 module_param_named(modeset, nouveau_modeset, int, 0400);
72 static struct drm_driver driver;
75 nouveau_drm_vblank_enable(struct drm_device *dev, int head)
77 struct nouveau_drm *drm = nouveau_drm(dev);
78 struct nouveau_disp *pdisp = nouveau_disp(drm->device);
79 nouveau_event_get(pdisp->vblank, head, &drm->vblank);
84 nouveau_drm_vblank_disable(struct drm_device *dev, int head)
86 struct nouveau_drm *drm = nouveau_drm(dev);
87 struct nouveau_disp *pdisp = nouveau_disp(drm->device);
88 nouveau_event_put(pdisp->vblank, head, &drm->vblank);
92 nouveau_drm_vblank_handler(struct nouveau_eventh *event, int head)
94 struct nouveau_drm *drm =
95 container_of(event, struct nouveau_drm, vblank);
96 drm_handle_vblank(drm->dev, head);
97 return NVKM_EVENT_KEEP;
101 nouveau_name(struct pci_dev *pdev)
103 u64 name = (u64)pci_domain_nr(pdev->bus) << 32;
104 name |= pdev->bus->number << 16;
105 name |= PCI_SLOT(pdev->devfn) << 8;
106 return name | PCI_FUNC(pdev->devfn);
110 nouveau_cli_create(struct pci_dev *pdev, const char *name,
111 int size, void **pcli)
113 struct nouveau_cli *cli;
117 ret = nouveau_client_create_(name, nouveau_name(pdev), nouveau_config,
118 nouveau_debug, size, pcli);
122 nouveau_client_destroy(&cli->base);
127 mutex_init(&cli->mutex);
132 nouveau_cli_destroy(struct nouveau_cli *cli)
134 struct nouveau_object *client = nv_object(cli);
135 nouveau_vm_ref(NULL, &cli->base.vm, NULL);
136 nouveau_client_fini(&cli->base, false);
137 atomic_set(&client->refcount, 1);
138 nouveau_object_ref(NULL, &client);
142 nouveau_accel_fini(struct nouveau_drm *drm)
144 nouveau_gpuobj_ref(NULL, &drm->notify);
145 nouveau_channel_del(&drm->channel);
146 nouveau_channel_del(&drm->cechan);
148 nouveau_fence(drm)->dtor(drm);
152 nouveau_accel_init(struct nouveau_drm *drm)
154 struct nouveau_device *device = nv_device(drm->device);
155 struct nouveau_object *object;
162 /* initialise synchronisation routines */
163 if (device->card_type < NV_10) ret = nv04_fence_create(drm);
164 else if (device->chipset < 0x17) ret = nv10_fence_create(drm);
165 else if (device->card_type < NV_50) ret = nv17_fence_create(drm);
166 else if (device->chipset < 0x84) ret = nv50_fence_create(drm);
167 else if (device->card_type < NV_C0) ret = nv84_fence_create(drm);
168 else ret = nvc0_fence_create(drm);
170 NV_ERROR(drm, "failed to initialise sync subsystem, %d\n", ret);
171 nouveau_accel_fini(drm);
175 if (device->card_type >= NV_E0) {
176 ret = nouveau_channel_new(drm, &drm->client, NVDRM_DEVICE,
178 NVE0_CHANNEL_IND_ENGINE_CE0 |
179 NVE0_CHANNEL_IND_ENGINE_CE1, 0,
182 NV_ERROR(drm, "failed to create ce channel, %d\n", ret);
184 arg0 = NVE0_CHANNEL_IND_ENGINE_GR;
191 ret = nouveau_channel_new(drm, &drm->client, NVDRM_DEVICE, NVDRM_CHAN,
192 arg0, arg1, &drm->channel);
194 NV_ERROR(drm, "failed to create kernel channel, %d\n", ret);
195 nouveau_accel_fini(drm);
199 if (device->card_type < NV_C0) {
200 ret = nouveau_gpuobj_new(drm->device, NULL, 32, 0, 0,
203 NV_ERROR(drm, "failed to allocate notifier, %d\n", ret);
204 nouveau_accel_fini(drm);
208 ret = nouveau_object_new(nv_object(drm),
209 drm->channel->handle, NvNotify0,
210 0x003d, &(struct nv_dma_class) {
211 .flags = NV_DMA_TARGET_VRAM |
213 .start = drm->notify->addr,
214 .limit = drm->notify->addr + 31
215 }, sizeof(struct nv_dma_class),
218 nouveau_accel_fini(drm);
224 nouveau_bo_move_init(drm);
227 static int nouveau_drm_probe(struct pci_dev *pdev,
228 const struct pci_device_id *pent)
230 struct nouveau_device *device;
231 struct apertures_struct *aper;
235 /* remove conflicting drivers (vesafb, efifb etc) */
236 aper = alloc_apertures(3);
240 aper->ranges[0].base = pci_resource_start(pdev, 1);
241 aper->ranges[0].size = pci_resource_len(pdev, 1);
244 if (pci_resource_len(pdev, 2)) {
245 aper->ranges[aper->count].base = pci_resource_start(pdev, 2);
246 aper->ranges[aper->count].size = pci_resource_len(pdev, 2);
250 if (pci_resource_len(pdev, 3)) {
251 aper->ranges[aper->count].base = pci_resource_start(pdev, 3);
252 aper->ranges[aper->count].size = pci_resource_len(pdev, 3);
257 boot = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
259 remove_conflicting_framebuffers(aper, "nouveaufb", boot);
262 ret = nouveau_device_create(pdev, nouveau_name(pdev), pci_name(pdev),
263 nouveau_config, nouveau_debug, &device);
267 pci_set_master(pdev);
269 ret = drm_get_pci_dev(pdev, pent, &driver);
271 nouveau_object_ref(NULL, (struct nouveau_object **)&device);
278 static struct lock_class_key drm_client_lock_class_key;
281 nouveau_drm_load(struct drm_device *dev, unsigned long flags)
283 struct pci_dev *pdev = dev->pdev;
284 struct nouveau_device *device;
285 struct nouveau_drm *drm;
288 ret = nouveau_cli_create(pdev, "DRM", sizeof(*drm), (void**)&drm);
291 lockdep_set_class(&drm->client.mutex, &drm_client_lock_class_key);
293 dev->dev_private = drm;
295 drm->vblank.func = nouveau_drm_vblank_handler;
297 INIT_LIST_HEAD(&drm->clients);
298 spin_lock_init(&drm->tile.lock);
300 /* make sure AGP controller is in a consistent state before we
301 * (possibly) execute vbios init tables (see nouveau_agp.h)
303 if (drm_pci_device_is_agp(dev) && dev->agp) {
304 /* dummy device object, doesn't init anything, but allows
305 * agp code access to registers
307 ret = nouveau_object_new(nv_object(drm), NVDRM_CLIENT,
308 NVDRM_DEVICE, 0x0080,
309 &(struct nv_device_class) {
312 ~(NV_DEVICE_DISABLE_MMIO |
313 NV_DEVICE_DISABLE_IDENTIFY),
315 }, sizeof(struct nv_device_class),
320 nouveau_agp_reset(drm);
321 nouveau_object_del(nv_object(drm), NVDRM_CLIENT, NVDRM_DEVICE);
324 ret = nouveau_object_new(nv_object(drm), NVDRM_CLIENT, NVDRM_DEVICE,
325 0x0080, &(struct nv_device_class) {
329 }, sizeof(struct nv_device_class),
334 /* workaround an odd issue on nvc1 by disabling the device's
335 * nosnoop capability. hopefully won't cause issues until a
336 * better fix is found - assuming there is one...
338 device = nv_device(drm->device);
339 if (nv_device(drm->device)->chipset == 0xc1)
340 nv_mask(device, 0x00088080, 0x00000800, 0x00000000);
342 nouveau_vga_init(drm);
343 nouveau_agp_init(drm);
345 if (device->card_type >= NV_50) {
346 ret = nouveau_vm_new(nv_device(drm->device), 0, (1ULL << 40),
347 0x1000, &drm->client.base.vm);
352 ret = nouveau_ttm_init(drm);
356 ret = nouveau_bios_init(dev);
360 ret = nouveau_irq_init(dev);
364 ret = nouveau_display_create(dev);
368 if (dev->mode_config.num_crtc) {
369 ret = nouveau_display_init(dev);
374 nouveau_pm_init(dev);
376 nouveau_accel_init(drm);
377 nouveau_fbcon_init(dev);
381 nouveau_display_destroy(dev);
383 nouveau_irq_fini(dev);
385 nouveau_bios_takedown(dev);
387 nouveau_ttm_fini(drm);
389 nouveau_agp_fini(drm);
390 nouveau_vga_fini(drm);
392 nouveau_cli_destroy(&drm->client);
397 nouveau_drm_unload(struct drm_device *dev)
399 struct nouveau_drm *drm = nouveau_drm(dev);
401 nouveau_fbcon_fini(dev);
402 nouveau_accel_fini(drm);
404 nouveau_pm_fini(dev);
406 if (dev->mode_config.num_crtc)
407 nouveau_display_fini(dev);
408 nouveau_display_destroy(dev);
410 nouveau_irq_fini(dev);
411 nouveau_bios_takedown(dev);
413 nouveau_ttm_fini(drm);
414 nouveau_agp_fini(drm);
415 nouveau_vga_fini(drm);
417 nouveau_cli_destroy(&drm->client);
422 nouveau_drm_remove(struct pci_dev *pdev)
424 struct drm_device *dev = pci_get_drvdata(pdev);
425 struct nouveau_drm *drm = nouveau_drm(dev);
426 struct nouveau_object *device;
428 device = drm->client.base.device;
431 nouveau_object_ref(NULL, &device);
432 nouveau_object_debug();
436 nouveau_do_suspend(struct drm_device *dev)
438 struct nouveau_drm *drm = nouveau_drm(dev);
439 struct nouveau_cli *cli;
442 if (dev->mode_config.num_crtc) {
443 NV_INFO(drm, "suspending fbcon...\n");
444 nouveau_fbcon_set_suspend(dev, 1);
446 NV_INFO(drm, "suspending display...\n");
447 ret = nouveau_display_suspend(dev);
452 NV_INFO(drm, "evicting buffers...\n");
453 ttm_bo_evict_mm(&drm->ttm.bdev, TTM_PL_VRAM);
455 if (drm->fence && nouveau_fence(drm)->suspend) {
456 if (!nouveau_fence(drm)->suspend(drm))
460 NV_INFO(drm, "suspending client object trees...\n");
461 list_for_each_entry(cli, &drm->clients, head) {
462 ret = nouveau_client_fini(&cli->base, true);
467 ret = nouveau_client_fini(&drm->client.base, true);
471 nouveau_agp_fini(drm);
475 list_for_each_entry_continue_reverse(cli, &drm->clients, head) {
476 nouveau_client_init(&cli->base);
479 if (dev->mode_config.num_crtc) {
480 NV_INFO(drm, "resuming display...\n");
481 nouveau_display_resume(dev);
486 int nouveau_pmops_suspend(struct device *dev)
488 struct pci_dev *pdev = to_pci_dev(dev);
489 struct drm_device *drm_dev = pci_get_drvdata(pdev);
492 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF)
495 ret = nouveau_do_suspend(drm_dev);
499 pci_save_state(pdev);
500 pci_disable_device(pdev);
501 pci_set_power_state(pdev, PCI_D3hot);
507 nouveau_do_resume(struct drm_device *dev)
509 struct nouveau_drm *drm = nouveau_drm(dev);
510 struct nouveau_cli *cli;
512 NV_INFO(drm, "re-enabling device...\n");
514 nouveau_agp_reset(drm);
516 NV_INFO(drm, "resuming client object trees...\n");
517 nouveau_client_init(&drm->client.base);
518 nouveau_agp_init(drm);
520 list_for_each_entry(cli, &drm->clients, head) {
521 nouveau_client_init(&cli->base);
524 if (drm->fence && nouveau_fence(drm)->resume)
525 nouveau_fence(drm)->resume(drm);
527 nouveau_run_vbios_init(dev);
528 nouveau_irq_postinstall(dev);
529 nouveau_pm_resume(dev);
531 if (dev->mode_config.num_crtc) {
532 NV_INFO(drm, "resuming display...\n");
533 nouveau_display_resume(dev);
538 int nouveau_pmops_resume(struct device *dev)
540 struct pci_dev *pdev = to_pci_dev(dev);
541 struct drm_device *drm_dev = pci_get_drvdata(pdev);
544 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF)
547 pci_set_power_state(pdev, PCI_D0);
548 pci_restore_state(pdev);
549 ret = pci_enable_device(pdev);
552 pci_set_master(pdev);
554 return nouveau_do_resume(drm_dev);
557 static int nouveau_pmops_freeze(struct device *dev)
559 struct pci_dev *pdev = to_pci_dev(dev);
560 struct drm_device *drm_dev = pci_get_drvdata(pdev);
562 return nouveau_do_suspend(drm_dev);
565 static int nouveau_pmops_thaw(struct device *dev)
567 struct pci_dev *pdev = to_pci_dev(dev);
568 struct drm_device *drm_dev = pci_get_drvdata(pdev);
570 return nouveau_do_resume(drm_dev);
575 nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)
577 struct pci_dev *pdev = dev->pdev;
578 struct nouveau_drm *drm = nouveau_drm(dev);
579 struct nouveau_cli *cli;
580 char name[32], tmpname[TASK_COMM_LEN];
583 get_task_comm(tmpname, current);
584 snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid));
586 ret = nouveau_cli_create(pdev, name, sizeof(*cli), (void **)&cli);
590 if (nv_device(drm->device)->card_type >= NV_50) {
591 ret = nouveau_vm_new(nv_device(drm->device), 0, (1ULL << 40),
592 0x1000, &cli->base.vm);
594 nouveau_cli_destroy(cli);
599 fpriv->driver_priv = cli;
601 mutex_lock(&drm->client.mutex);
602 list_add(&cli->head, &drm->clients);
603 mutex_unlock(&drm->client.mutex);
608 nouveau_drm_preclose(struct drm_device *dev, struct drm_file *fpriv)
610 struct nouveau_cli *cli = nouveau_cli(fpriv);
611 struct nouveau_drm *drm = nouveau_drm(dev);
614 nouveau_abi16_fini(cli->abi16);
616 mutex_lock(&drm->client.mutex);
617 list_del(&cli->head);
618 mutex_unlock(&drm->client.mutex);
622 nouveau_drm_postclose(struct drm_device *dev, struct drm_file *fpriv)
624 struct nouveau_cli *cli = nouveau_cli(fpriv);
625 nouveau_cli_destroy(cli);
628 static struct drm_ioctl_desc
630 DRM_IOCTL_DEF_DRV(NOUVEAU_GETPARAM, nouveau_abi16_ioctl_getparam, DRM_UNLOCKED|DRM_AUTH),
631 DRM_IOCTL_DEF_DRV(NOUVEAU_SETPARAM, nouveau_abi16_ioctl_setparam, DRM_UNLOCKED|DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
632 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_ALLOC, nouveau_abi16_ioctl_channel_alloc, DRM_UNLOCKED|DRM_AUTH),
633 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_FREE, nouveau_abi16_ioctl_channel_free, DRM_UNLOCKED|DRM_AUTH),
634 DRM_IOCTL_DEF_DRV(NOUVEAU_GROBJ_ALLOC, nouveau_abi16_ioctl_grobj_alloc, DRM_UNLOCKED|DRM_AUTH),
635 DRM_IOCTL_DEF_DRV(NOUVEAU_NOTIFIEROBJ_ALLOC, nouveau_abi16_ioctl_notifierobj_alloc, DRM_UNLOCKED|DRM_AUTH),
636 DRM_IOCTL_DEF_DRV(NOUVEAU_GPUOBJ_FREE, nouveau_abi16_ioctl_gpuobj_free, DRM_UNLOCKED|DRM_AUTH),
637 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_NEW, nouveau_gem_ioctl_new, DRM_UNLOCKED|DRM_AUTH),
638 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_PUSHBUF, nouveau_gem_ioctl_pushbuf, DRM_UNLOCKED|DRM_AUTH),
639 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_PREP, nouveau_gem_ioctl_cpu_prep, DRM_UNLOCKED|DRM_AUTH),
640 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_FINI, nouveau_gem_ioctl_cpu_fini, DRM_UNLOCKED|DRM_AUTH),
641 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_INFO, nouveau_gem_ioctl_info, DRM_UNLOCKED|DRM_AUTH),
644 static const struct file_operations
645 nouveau_driver_fops = {
646 .owner = THIS_MODULE,
648 .release = drm_release,
649 .unlocked_ioctl = drm_ioctl,
650 .mmap = nouveau_ttm_mmap,
652 .fasync = drm_fasync,
654 #if defined(CONFIG_COMPAT)
655 .compat_ioctl = nouveau_compat_ioctl,
657 .llseek = noop_llseek,
660 static struct drm_driver
663 DRIVER_USE_AGP | DRIVER_PCI_DMA | DRIVER_SG |
664 DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM |
665 DRIVER_MODESET | DRIVER_PRIME,
667 .load = nouveau_drm_load,
668 .unload = nouveau_drm_unload,
669 .open = nouveau_drm_open,
670 .preclose = nouveau_drm_preclose,
671 .postclose = nouveau_drm_postclose,
672 .lastclose = nouveau_vga_lastclose,
674 #if defined(CONFIG_DEBUG_FS)
675 .debugfs_init = nouveau_debugfs_init,
676 .debugfs_cleanup = nouveau_debugfs_takedown,
679 .irq_preinstall = nouveau_irq_preinstall,
680 .irq_postinstall = nouveau_irq_postinstall,
681 .irq_uninstall = nouveau_irq_uninstall,
682 .irq_handler = nouveau_irq_handler,
684 .get_vblank_counter = drm_vblank_count,
685 .enable_vblank = nouveau_drm_vblank_enable,
686 .disable_vblank = nouveau_drm_vblank_disable,
688 .ioctls = nouveau_ioctls,
689 .fops = &nouveau_driver_fops,
691 .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
692 .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
693 .gem_prime_export = drm_gem_prime_export,
694 .gem_prime_import = drm_gem_prime_import,
695 .gem_prime_pin = nouveau_gem_prime_pin,
696 .gem_prime_get_sg_table = nouveau_gem_prime_get_sg_table,
697 .gem_prime_import_sg_table = nouveau_gem_prime_import_sg_table,
698 .gem_prime_vmap = nouveau_gem_prime_vmap,
699 .gem_prime_vunmap = nouveau_gem_prime_vunmap,
701 .gem_init_object = nouveau_gem_object_new,
702 .gem_free_object = nouveau_gem_object_del,
703 .gem_open_object = nouveau_gem_object_open,
704 .gem_close_object = nouveau_gem_object_close,
706 .dumb_create = nouveau_display_dumb_create,
707 .dumb_map_offset = nouveau_display_dumb_map_offset,
708 .dumb_destroy = nouveau_display_dumb_destroy,
713 .date = GIT_REVISION,
717 .major = DRIVER_MAJOR,
718 .minor = DRIVER_MINOR,
719 .patchlevel = DRIVER_PATCHLEVEL,
722 static struct pci_device_id
723 nouveau_drm_pci_table[] = {
725 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
726 .class = PCI_BASE_CLASS_DISPLAY << 16,
727 .class_mask = 0xff << 16,
730 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS, PCI_ANY_ID),
731 .class = PCI_BASE_CLASS_DISPLAY << 16,
732 .class_mask = 0xff << 16,
737 static const struct dev_pm_ops nouveau_pm_ops = {
738 .suspend = nouveau_pmops_suspend,
739 .resume = nouveau_pmops_resume,
740 .freeze = nouveau_pmops_freeze,
741 .thaw = nouveau_pmops_thaw,
742 .poweroff = nouveau_pmops_freeze,
743 .restore = nouveau_pmops_resume,
746 static struct pci_driver
747 nouveau_drm_pci_driver = {
749 .id_table = nouveau_drm_pci_table,
750 .probe = nouveau_drm_probe,
751 .remove = nouveau_drm_remove,
752 .driver.pm = &nouveau_pm_ops,
756 nouveau_drm_init(void)
758 driver.num_ioctls = ARRAY_SIZE(nouveau_ioctls);
760 if (nouveau_modeset == -1) {
761 #ifdef CONFIG_VGA_CONSOLE
762 if (vgacon_text_force())
767 if (!nouveau_modeset)
770 nouveau_register_dsm_handler();
771 return drm_pci_init(&driver, &nouveau_drm_pci_driver);
775 nouveau_drm_exit(void)
777 if (!nouveau_modeset)
780 drm_pci_exit(&driver, &nouveau_drm_pci_driver);
781 nouveau_unregister_dsm_handler();
784 module_init(nouveau_drm_init);
785 module_exit(nouveau_drm_exit);
787 MODULE_DEVICE_TABLE(pci, nouveau_drm_pci_table);
788 MODULE_AUTHOR(DRIVER_AUTHOR);
789 MODULE_DESCRIPTION(DRIVER_DESC);
790 MODULE_LICENSE("GPL and additional rights");