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 <engine/device.h>
35 #include <engine/disp.h>
36 #include <engine/fifo.h>
38 #include <subdev/vm.h>
40 #include "nouveau_drm.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_handler(struct nouveau_eventh *event, int head)
77 struct nouveau_drm *drm =
78 container_of(event, struct nouveau_drm, vblank[head]);
79 drm_handle_vblank(drm->dev, head);
80 return NVKM_EVENT_KEEP;
84 nouveau_drm_vblank_enable(struct drm_device *dev, int head)
86 struct nouveau_drm *drm = nouveau_drm(dev);
87 struct nouveau_disp *pdisp = nouveau_disp(drm->device);
89 if (WARN_ON_ONCE(head > ARRAY_SIZE(drm->vblank)))
91 WARN_ON_ONCE(drm->vblank[head].func);
92 drm->vblank[head].func = nouveau_drm_vblank_handler;
93 nouveau_event_get(pdisp->vblank, head, &drm->vblank[head]);
98 nouveau_drm_vblank_disable(struct drm_device *dev, int head)
100 struct nouveau_drm *drm = nouveau_drm(dev);
101 struct nouveau_disp *pdisp = nouveau_disp(drm->device);
102 if (drm->vblank[head].func)
103 nouveau_event_put(pdisp->vblank, head, &drm->vblank[head]);
106 drm->vblank[head].func = NULL;
110 nouveau_name(struct pci_dev *pdev)
112 u64 name = (u64)pci_domain_nr(pdev->bus) << 32;
113 name |= pdev->bus->number << 16;
114 name |= PCI_SLOT(pdev->devfn) << 8;
115 return name | PCI_FUNC(pdev->devfn);
119 nouveau_cli_create(struct pci_dev *pdev, const char *name,
120 int size, void **pcli)
122 struct nouveau_cli *cli;
126 ret = nouveau_client_create_(name, nouveau_name(pdev), nouveau_config,
127 nouveau_debug, size, pcli);
131 nouveau_client_destroy(&cli->base);
136 mutex_init(&cli->mutex);
141 nouveau_cli_destroy(struct nouveau_cli *cli)
143 struct nouveau_object *client = nv_object(cli);
144 nouveau_vm_ref(NULL, &cli->base.vm, NULL);
145 nouveau_client_fini(&cli->base, false);
146 atomic_set(&client->refcount, 1);
147 nouveau_object_ref(NULL, &client);
151 nouveau_accel_fini(struct nouveau_drm *drm)
153 nouveau_gpuobj_ref(NULL, &drm->notify);
154 nouveau_channel_del(&drm->channel);
155 nouveau_channel_del(&drm->cechan);
157 nouveau_fence(drm)->dtor(drm);
161 nouveau_accel_init(struct nouveau_drm *drm)
163 struct nouveau_device *device = nv_device(drm->device);
164 struct nouveau_object *object;
168 if (nouveau_noaccel || !nouveau_fifo(device) /*XXX*/)
171 /* initialise synchronisation routines */
172 if (device->card_type < NV_10) ret = nv04_fence_create(drm);
173 else if (device->chipset < 0x17) ret = nv10_fence_create(drm);
174 else if (device->card_type < NV_50) ret = nv17_fence_create(drm);
175 else if (device->chipset < 0x84) ret = nv50_fence_create(drm);
176 else if (device->card_type < NV_C0) ret = nv84_fence_create(drm);
177 else ret = nvc0_fence_create(drm);
179 NV_ERROR(drm, "failed to initialise sync subsystem, %d\n", ret);
180 nouveau_accel_fini(drm);
184 if (device->card_type >= NV_E0) {
185 ret = nouveau_channel_new(drm, &drm->client, NVDRM_DEVICE,
187 NVE0_CHANNEL_IND_ENGINE_CE0 |
188 NVE0_CHANNEL_IND_ENGINE_CE1, 0,
191 NV_ERROR(drm, "failed to create ce channel, %d\n", ret);
193 arg0 = NVE0_CHANNEL_IND_ENGINE_GR;
200 ret = nouveau_channel_new(drm, &drm->client, NVDRM_DEVICE, NVDRM_CHAN,
201 arg0, arg1, &drm->channel);
203 NV_ERROR(drm, "failed to create kernel channel, %d\n", ret);
204 nouveau_accel_fini(drm);
208 if (device->card_type < NV_C0) {
209 ret = nouveau_gpuobj_new(drm->device, NULL, 32, 0, 0,
212 NV_ERROR(drm, "failed to allocate notifier, %d\n", ret);
213 nouveau_accel_fini(drm);
217 ret = nouveau_object_new(nv_object(drm),
218 drm->channel->handle, NvNotify0,
219 0x003d, &(struct nv_dma_class) {
220 .flags = NV_DMA_TARGET_VRAM |
222 .start = drm->notify->addr,
223 .limit = drm->notify->addr + 31
224 }, sizeof(struct nv_dma_class),
227 nouveau_accel_fini(drm);
233 nouveau_bo_move_init(drm);
236 static int nouveau_drm_probe(struct pci_dev *pdev,
237 const struct pci_device_id *pent)
239 struct nouveau_device *device;
240 struct apertures_struct *aper;
244 /* remove conflicting drivers (vesafb, efifb etc) */
245 aper = alloc_apertures(3);
249 aper->ranges[0].base = pci_resource_start(pdev, 1);
250 aper->ranges[0].size = pci_resource_len(pdev, 1);
253 if (pci_resource_len(pdev, 2)) {
254 aper->ranges[aper->count].base = pci_resource_start(pdev, 2);
255 aper->ranges[aper->count].size = pci_resource_len(pdev, 2);
259 if (pci_resource_len(pdev, 3)) {
260 aper->ranges[aper->count].base = pci_resource_start(pdev, 3);
261 aper->ranges[aper->count].size = pci_resource_len(pdev, 3);
266 boot = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
268 remove_conflicting_framebuffers(aper, "nouveaufb", boot);
271 ret = nouveau_device_create(pdev, nouveau_name(pdev), pci_name(pdev),
272 nouveau_config, nouveau_debug, &device);
276 pci_set_master(pdev);
278 ret = drm_get_pci_dev(pdev, pent, &driver);
280 nouveau_object_ref(NULL, (struct nouveau_object **)&device);
287 static struct lock_class_key drm_client_lock_class_key;
290 nouveau_drm_load(struct drm_device *dev, unsigned long flags)
292 struct pci_dev *pdev = dev->pdev;
293 struct nouveau_device *device;
294 struct nouveau_drm *drm;
297 ret = nouveau_cli_create(pdev, "DRM", sizeof(*drm), (void**)&drm);
300 lockdep_set_class(&drm->client.mutex, &drm_client_lock_class_key);
302 dev->dev_private = drm;
305 INIT_LIST_HEAD(&drm->clients);
306 spin_lock_init(&drm->tile.lock);
308 /* make sure AGP controller is in a consistent state before we
309 * (possibly) execute vbios init tables (see nouveau_agp.h)
311 if (drm_pci_device_is_agp(dev) && dev->agp) {
312 /* dummy device object, doesn't init anything, but allows
313 * agp code access to registers
315 ret = nouveau_object_new(nv_object(drm), NVDRM_CLIENT,
316 NVDRM_DEVICE, 0x0080,
317 &(struct nv_device_class) {
320 ~(NV_DEVICE_DISABLE_MMIO |
321 NV_DEVICE_DISABLE_IDENTIFY),
323 }, sizeof(struct nv_device_class),
328 nouveau_agp_reset(drm);
329 nouveau_object_del(nv_object(drm), NVDRM_CLIENT, NVDRM_DEVICE);
332 ret = nouveau_object_new(nv_object(drm), NVDRM_CLIENT, NVDRM_DEVICE,
333 0x0080, &(struct nv_device_class) {
337 }, sizeof(struct nv_device_class),
342 /* workaround an odd issue on nvc1 by disabling the device's
343 * nosnoop capability. hopefully won't cause issues until a
344 * better fix is found - assuming there is one...
346 device = nv_device(drm->device);
347 if (nv_device(drm->device)->chipset == 0xc1)
348 nv_mask(device, 0x00088080, 0x00000800, 0x00000000);
350 nouveau_vga_init(drm);
351 nouveau_agp_init(drm);
353 if (device->card_type >= NV_50) {
354 ret = nouveau_vm_new(nv_device(drm->device), 0, (1ULL << 40),
355 0x1000, &drm->client.base.vm);
360 ret = nouveau_ttm_init(drm);
364 ret = nouveau_bios_init(dev);
368 ret = nouveau_display_create(dev);
372 if (dev->mode_config.num_crtc) {
373 ret = nouveau_display_init(dev);
378 nouveau_pm_init(dev);
380 nouveau_accel_init(drm);
381 nouveau_fbcon_init(dev);
385 nouveau_display_destroy(dev);
387 nouveau_bios_takedown(dev);
389 nouveau_ttm_fini(drm);
391 nouveau_agp_fini(drm);
392 nouveau_vga_fini(drm);
394 nouveau_cli_destroy(&drm->client);
399 nouveau_drm_unload(struct drm_device *dev)
401 struct nouveau_drm *drm = nouveau_drm(dev);
403 nouveau_fbcon_fini(dev);
404 nouveau_accel_fini(drm);
406 nouveau_pm_fini(dev);
408 if (dev->mode_config.num_crtc)
409 nouveau_display_fini(dev);
410 nouveau_display_destroy(dev);
412 nouveau_bios_takedown(dev);
414 nouveau_ttm_fini(drm);
415 nouveau_agp_fini(drm);
416 nouveau_vga_fini(drm);
418 nouveau_cli_destroy(&drm->client);
423 nouveau_drm_remove(struct pci_dev *pdev)
425 struct drm_device *dev = pci_get_drvdata(pdev);
426 struct nouveau_drm *drm = nouveau_drm(dev);
427 struct nouveau_object *device;
429 device = drm->client.base.device;
432 nouveau_object_ref(NULL, &device);
433 nouveau_object_debug();
437 nouveau_do_suspend(struct drm_device *dev)
439 struct nouveau_drm *drm = nouveau_drm(dev);
440 struct nouveau_cli *cli;
443 if (dev->mode_config.num_crtc) {
444 NV_INFO(drm, "suspending fbcon...\n");
445 nouveau_fbcon_set_suspend(dev, 1);
447 NV_INFO(drm, "suspending display...\n");
448 ret = nouveau_display_suspend(dev);
453 NV_INFO(drm, "evicting buffers...\n");
454 ttm_bo_evict_mm(&drm->ttm.bdev, TTM_PL_VRAM);
456 NV_INFO(drm, "waiting for kernel channels to go idle...\n");
458 ret = nouveau_channel_idle(drm->cechan);
464 ret = nouveau_channel_idle(drm->channel);
469 NV_INFO(drm, "suspending client object trees...\n");
470 if (drm->fence && nouveau_fence(drm)->suspend) {
471 if (!nouveau_fence(drm)->suspend(drm))
475 list_for_each_entry(cli, &drm->clients, head) {
476 ret = nouveau_client_fini(&cli->base, true);
481 NV_INFO(drm, "suspending kernel object tree...\n");
482 ret = nouveau_client_fini(&drm->client.base, true);
486 nouveau_agp_fini(drm);
490 list_for_each_entry_continue_reverse(cli, &drm->clients, head) {
491 nouveau_client_init(&cli->base);
494 if (dev->mode_config.num_crtc) {
495 NV_INFO(drm, "resuming display...\n");
496 nouveau_display_resume(dev);
501 int nouveau_pmops_suspend(struct device *dev)
503 struct pci_dev *pdev = to_pci_dev(dev);
504 struct drm_device *drm_dev = pci_get_drvdata(pdev);
507 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF)
510 ret = nouveau_do_suspend(drm_dev);
514 pci_save_state(pdev);
515 pci_disable_device(pdev);
516 pci_set_power_state(pdev, PCI_D3hot);
522 nouveau_do_resume(struct drm_device *dev)
524 struct nouveau_drm *drm = nouveau_drm(dev);
525 struct nouveau_cli *cli;
527 NV_INFO(drm, "re-enabling device...\n");
529 nouveau_agp_reset(drm);
531 NV_INFO(drm, "resuming kernel object tree...\n");
532 nouveau_client_init(&drm->client.base);
533 nouveau_agp_init(drm);
535 NV_INFO(drm, "resuming client object trees...\n");
536 if (drm->fence && nouveau_fence(drm)->resume)
537 nouveau_fence(drm)->resume(drm);
539 list_for_each_entry(cli, &drm->clients, head) {
540 nouveau_client_init(&cli->base);
543 nouveau_run_vbios_init(dev);
544 nouveau_pm_resume(dev);
546 if (dev->mode_config.num_crtc) {
547 NV_INFO(drm, "resuming display...\n");
548 nouveau_display_resume(dev);
553 int nouveau_pmops_resume(struct device *dev)
555 struct pci_dev *pdev = to_pci_dev(dev);
556 struct drm_device *drm_dev = pci_get_drvdata(pdev);
559 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF)
562 pci_set_power_state(pdev, PCI_D0);
563 pci_restore_state(pdev);
564 ret = pci_enable_device(pdev);
567 pci_set_master(pdev);
569 return nouveau_do_resume(drm_dev);
572 static int nouveau_pmops_freeze(struct device *dev)
574 struct pci_dev *pdev = to_pci_dev(dev);
575 struct drm_device *drm_dev = pci_get_drvdata(pdev);
577 return nouveau_do_suspend(drm_dev);
580 static int nouveau_pmops_thaw(struct device *dev)
582 struct pci_dev *pdev = to_pci_dev(dev);
583 struct drm_device *drm_dev = pci_get_drvdata(pdev);
585 return nouveau_do_resume(drm_dev);
590 nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)
592 struct pci_dev *pdev = dev->pdev;
593 struct nouveau_drm *drm = nouveau_drm(dev);
594 struct nouveau_cli *cli;
595 char name[32], tmpname[TASK_COMM_LEN];
598 get_task_comm(tmpname, current);
599 snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid));
601 ret = nouveau_cli_create(pdev, name, sizeof(*cli), (void **)&cli);
605 if (nv_device(drm->device)->card_type >= NV_50) {
606 ret = nouveau_vm_new(nv_device(drm->device), 0, (1ULL << 40),
607 0x1000, &cli->base.vm);
609 nouveau_cli_destroy(cli);
614 fpriv->driver_priv = cli;
616 mutex_lock(&drm->client.mutex);
617 list_add(&cli->head, &drm->clients);
618 mutex_unlock(&drm->client.mutex);
623 nouveau_drm_preclose(struct drm_device *dev, struct drm_file *fpriv)
625 struct nouveau_cli *cli = nouveau_cli(fpriv);
626 struct nouveau_drm *drm = nouveau_drm(dev);
629 nouveau_abi16_fini(cli->abi16);
631 mutex_lock(&drm->client.mutex);
632 list_del(&cli->head);
633 mutex_unlock(&drm->client.mutex);
637 nouveau_drm_postclose(struct drm_device *dev, struct drm_file *fpriv)
639 struct nouveau_cli *cli = nouveau_cli(fpriv);
640 nouveau_cli_destroy(cli);
643 static struct drm_ioctl_desc
645 DRM_IOCTL_DEF_DRV(NOUVEAU_GETPARAM, nouveau_abi16_ioctl_getparam, DRM_UNLOCKED|DRM_AUTH),
646 DRM_IOCTL_DEF_DRV(NOUVEAU_SETPARAM, nouveau_abi16_ioctl_setparam, DRM_UNLOCKED|DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
647 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_ALLOC, nouveau_abi16_ioctl_channel_alloc, DRM_UNLOCKED|DRM_AUTH),
648 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_FREE, nouveau_abi16_ioctl_channel_free, DRM_UNLOCKED|DRM_AUTH),
649 DRM_IOCTL_DEF_DRV(NOUVEAU_GROBJ_ALLOC, nouveau_abi16_ioctl_grobj_alloc, DRM_UNLOCKED|DRM_AUTH),
650 DRM_IOCTL_DEF_DRV(NOUVEAU_NOTIFIEROBJ_ALLOC, nouveau_abi16_ioctl_notifierobj_alloc, DRM_UNLOCKED|DRM_AUTH),
651 DRM_IOCTL_DEF_DRV(NOUVEAU_GPUOBJ_FREE, nouveau_abi16_ioctl_gpuobj_free, DRM_UNLOCKED|DRM_AUTH),
652 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_NEW, nouveau_gem_ioctl_new, DRM_UNLOCKED|DRM_AUTH),
653 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_PUSHBUF, nouveau_gem_ioctl_pushbuf, DRM_UNLOCKED|DRM_AUTH),
654 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_PREP, nouveau_gem_ioctl_cpu_prep, DRM_UNLOCKED|DRM_AUTH),
655 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_FINI, nouveau_gem_ioctl_cpu_fini, DRM_UNLOCKED|DRM_AUTH),
656 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_INFO, nouveau_gem_ioctl_info, DRM_UNLOCKED|DRM_AUTH),
659 static const struct file_operations
660 nouveau_driver_fops = {
661 .owner = THIS_MODULE,
663 .release = drm_release,
664 .unlocked_ioctl = drm_ioctl,
665 .mmap = nouveau_ttm_mmap,
667 .fasync = drm_fasync,
669 #if defined(CONFIG_COMPAT)
670 .compat_ioctl = nouveau_compat_ioctl,
672 .llseek = noop_llseek,
675 static struct drm_driver
678 DRIVER_USE_AGP | DRIVER_PCI_DMA | DRIVER_SG |
679 DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME,
681 .load = nouveau_drm_load,
682 .unload = nouveau_drm_unload,
683 .open = nouveau_drm_open,
684 .preclose = nouveau_drm_preclose,
685 .postclose = nouveau_drm_postclose,
686 .lastclose = nouveau_vga_lastclose,
688 #if defined(CONFIG_DEBUG_FS)
689 .debugfs_init = nouveau_debugfs_init,
690 .debugfs_cleanup = nouveau_debugfs_takedown,
693 .get_vblank_counter = drm_vblank_count,
694 .enable_vblank = nouveau_drm_vblank_enable,
695 .disable_vblank = nouveau_drm_vblank_disable,
697 .ioctls = nouveau_ioctls,
698 .fops = &nouveau_driver_fops,
700 .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
701 .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
702 .gem_prime_export = drm_gem_prime_export,
703 .gem_prime_import = drm_gem_prime_import,
704 .gem_prime_pin = nouveau_gem_prime_pin,
705 .gem_prime_unpin = nouveau_gem_prime_unpin,
706 .gem_prime_get_sg_table = nouveau_gem_prime_get_sg_table,
707 .gem_prime_import_sg_table = nouveau_gem_prime_import_sg_table,
708 .gem_prime_vmap = nouveau_gem_prime_vmap,
709 .gem_prime_vunmap = nouveau_gem_prime_vunmap,
711 .gem_init_object = nouveau_gem_object_new,
712 .gem_free_object = nouveau_gem_object_del,
713 .gem_open_object = nouveau_gem_object_open,
714 .gem_close_object = nouveau_gem_object_close,
716 .dumb_create = nouveau_display_dumb_create,
717 .dumb_map_offset = nouveau_display_dumb_map_offset,
718 .dumb_destroy = nouveau_display_dumb_destroy,
723 .date = GIT_REVISION,
727 .major = DRIVER_MAJOR,
728 .minor = DRIVER_MINOR,
729 .patchlevel = DRIVER_PATCHLEVEL,
732 static struct pci_device_id
733 nouveau_drm_pci_table[] = {
735 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
736 .class = PCI_BASE_CLASS_DISPLAY << 16,
737 .class_mask = 0xff << 16,
740 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS, PCI_ANY_ID),
741 .class = PCI_BASE_CLASS_DISPLAY << 16,
742 .class_mask = 0xff << 16,
747 static const struct dev_pm_ops nouveau_pm_ops = {
748 .suspend = nouveau_pmops_suspend,
749 .resume = nouveau_pmops_resume,
750 .freeze = nouveau_pmops_freeze,
751 .thaw = nouveau_pmops_thaw,
752 .poweroff = nouveau_pmops_freeze,
753 .restore = nouveau_pmops_resume,
756 static struct pci_driver
757 nouveau_drm_pci_driver = {
759 .id_table = nouveau_drm_pci_table,
760 .probe = nouveau_drm_probe,
761 .remove = nouveau_drm_remove,
762 .driver.pm = &nouveau_pm_ops,
766 nouveau_drm_init(void)
768 driver.num_ioctls = ARRAY_SIZE(nouveau_ioctls);
770 if (nouveau_modeset == -1) {
771 #ifdef CONFIG_VGA_CONSOLE
772 if (vgacon_text_force())
777 if (!nouveau_modeset)
780 nouveau_register_dsm_handler();
781 return drm_pci_init(&driver, &nouveau_drm_pci_driver);
785 nouveau_drm_exit(void)
787 if (!nouveau_modeset)
790 drm_pci_exit(&driver, &nouveau_drm_pci_driver);
791 nouveau_unregister_dsm_handler();
794 module_init(nouveau_drm_init);
795 module_exit(nouveau_drm_exit);
797 MODULE_DEVICE_TABLE(pci, nouveau_drm_pci_table);
798 MODULE_AUTHOR(DRIVER_AUTHOR);
799 MODULE_DESCRIPTION(DRIVER_DESC);
800 MODULE_LICENSE("GPL and additional rights");