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;
196 if (device->chipset >= 0xa3 &&
197 device->chipset != 0xaa &&
198 device->chipset != 0xac) {
199 ret = nouveau_channel_new(drm, &drm->client, NVDRM_DEVICE,
200 NVDRM_CHAN + 1, NvDmaFB, NvDmaTT,
203 NV_ERROR(drm, "failed to create ce channel, %d\n", ret);
212 ret = nouveau_channel_new(drm, &drm->client, NVDRM_DEVICE, NVDRM_CHAN,
213 arg0, arg1, &drm->channel);
215 NV_ERROR(drm, "failed to create kernel channel, %d\n", ret);
216 nouveau_accel_fini(drm);
220 if (device->card_type < NV_C0) {
221 ret = nouveau_gpuobj_new(drm->device, NULL, 32, 0, 0,
224 NV_ERROR(drm, "failed to allocate notifier, %d\n", ret);
225 nouveau_accel_fini(drm);
229 ret = nouveau_object_new(nv_object(drm),
230 drm->channel->handle, NvNotify0,
231 0x003d, &(struct nv_dma_class) {
232 .flags = NV_DMA_TARGET_VRAM |
234 .start = drm->notify->addr,
235 .limit = drm->notify->addr + 31
236 }, sizeof(struct nv_dma_class),
239 nouveau_accel_fini(drm);
245 nouveau_bo_move_init(drm);
248 static int nouveau_drm_probe(struct pci_dev *pdev,
249 const struct pci_device_id *pent)
251 struct nouveau_device *device;
252 struct apertures_struct *aper;
256 /* remove conflicting drivers (vesafb, efifb etc) */
257 aper = alloc_apertures(3);
261 aper->ranges[0].base = pci_resource_start(pdev, 1);
262 aper->ranges[0].size = pci_resource_len(pdev, 1);
265 if (pci_resource_len(pdev, 2)) {
266 aper->ranges[aper->count].base = pci_resource_start(pdev, 2);
267 aper->ranges[aper->count].size = pci_resource_len(pdev, 2);
271 if (pci_resource_len(pdev, 3)) {
272 aper->ranges[aper->count].base = pci_resource_start(pdev, 3);
273 aper->ranges[aper->count].size = pci_resource_len(pdev, 3);
278 boot = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
280 remove_conflicting_framebuffers(aper, "nouveaufb", boot);
283 ret = nouveau_device_create(pdev, nouveau_name(pdev), pci_name(pdev),
284 nouveau_config, nouveau_debug, &device);
288 pci_set_master(pdev);
290 ret = drm_get_pci_dev(pdev, pent, &driver);
292 nouveau_object_ref(NULL, (struct nouveau_object **)&device);
300 nouveau_drm_load(struct drm_device *dev, unsigned long flags)
302 struct pci_dev *pdev = dev->pdev;
303 struct nouveau_device *device;
304 struct nouveau_drm *drm;
307 ret = nouveau_cli_create(pdev, "DRM", sizeof(*drm), (void**)&drm);
311 dev->dev_private = drm;
314 INIT_LIST_HEAD(&drm->clients);
315 spin_lock_init(&drm->tile.lock);
317 /* make sure AGP controller is in a consistent state before we
318 * (possibly) execute vbios init tables (see nouveau_agp.h)
320 if (drm_pci_device_is_agp(dev) && dev->agp) {
321 /* dummy device object, doesn't init anything, but allows
322 * agp code access to registers
324 ret = nouveau_object_new(nv_object(drm), NVDRM_CLIENT,
325 NVDRM_DEVICE, 0x0080,
326 &(struct nv_device_class) {
329 ~(NV_DEVICE_DISABLE_MMIO |
330 NV_DEVICE_DISABLE_IDENTIFY),
332 }, sizeof(struct nv_device_class),
337 nouveau_agp_reset(drm);
338 nouveau_object_del(nv_object(drm), NVDRM_CLIENT, NVDRM_DEVICE);
341 ret = nouveau_object_new(nv_object(drm), NVDRM_CLIENT, NVDRM_DEVICE,
342 0x0080, &(struct nv_device_class) {
346 }, sizeof(struct nv_device_class),
351 /* workaround an odd issue on nvc1 by disabling the device's
352 * nosnoop capability. hopefully won't cause issues until a
353 * better fix is found - assuming there is one...
355 device = nv_device(drm->device);
356 if (nv_device(drm->device)->chipset == 0xc1)
357 nv_mask(device, 0x00088080, 0x00000800, 0x00000000);
359 nouveau_vga_init(drm);
360 nouveau_agp_init(drm);
362 if (device->card_type >= NV_50) {
363 ret = nouveau_vm_new(nv_device(drm->device), 0, (1ULL << 40),
364 0x1000, &drm->client.base.vm);
369 ret = nouveau_ttm_init(drm);
373 ret = nouveau_bios_init(dev);
377 ret = nouveau_display_create(dev);
381 if (dev->mode_config.num_crtc) {
382 ret = nouveau_display_init(dev);
387 nouveau_pm_init(dev);
389 nouveau_accel_init(drm);
390 nouveau_fbcon_init(dev);
394 nouveau_display_destroy(dev);
396 nouveau_bios_takedown(dev);
398 nouveau_ttm_fini(drm);
400 nouveau_agp_fini(drm);
401 nouveau_vga_fini(drm);
403 nouveau_cli_destroy(&drm->client);
408 nouveau_drm_unload(struct drm_device *dev)
410 struct nouveau_drm *drm = nouveau_drm(dev);
412 nouveau_fbcon_fini(dev);
413 nouveau_accel_fini(drm);
415 nouveau_pm_fini(dev);
417 if (dev->mode_config.num_crtc)
418 nouveau_display_fini(dev);
419 nouveau_display_destroy(dev);
421 nouveau_bios_takedown(dev);
423 nouveau_ttm_fini(drm);
424 nouveau_agp_fini(drm);
425 nouveau_vga_fini(drm);
427 nouveau_cli_destroy(&drm->client);
432 nouveau_drm_remove(struct pci_dev *pdev)
434 struct drm_device *dev = pci_get_drvdata(pdev);
435 struct nouveau_drm *drm = nouveau_drm(dev);
436 struct nouveau_object *device;
438 device = drm->client.base.device;
441 nouveau_object_ref(NULL, &device);
442 nouveau_object_debug();
446 nouveau_do_suspend(struct drm_device *dev)
448 struct nouveau_drm *drm = nouveau_drm(dev);
449 struct nouveau_cli *cli;
452 if (dev->mode_config.num_crtc) {
453 NV_INFO(drm, "suspending fbcon...\n");
454 nouveau_fbcon_set_suspend(dev, 1);
456 NV_INFO(drm, "suspending display...\n");
457 ret = nouveau_display_suspend(dev);
462 NV_INFO(drm, "evicting buffers...\n");
463 ttm_bo_evict_mm(&drm->ttm.bdev, TTM_PL_VRAM);
465 NV_INFO(drm, "waiting for kernel channels to go idle...\n");
467 ret = nouveau_channel_idle(drm->cechan);
473 ret = nouveau_channel_idle(drm->channel);
478 NV_INFO(drm, "suspending client object trees...\n");
479 if (drm->fence && nouveau_fence(drm)->suspend) {
480 if (!nouveau_fence(drm)->suspend(drm))
484 list_for_each_entry(cli, &drm->clients, head) {
485 ret = nouveau_client_fini(&cli->base, true);
490 NV_INFO(drm, "suspending kernel object tree...\n");
491 ret = nouveau_client_fini(&drm->client.base, true);
495 nouveau_agp_fini(drm);
499 list_for_each_entry_continue_reverse(cli, &drm->clients, head) {
500 nouveau_client_init(&cli->base);
503 if (dev->mode_config.num_crtc) {
504 NV_INFO(drm, "resuming display...\n");
505 nouveau_display_resume(dev);
510 int nouveau_pmops_suspend(struct device *dev)
512 struct pci_dev *pdev = to_pci_dev(dev);
513 struct drm_device *drm_dev = pci_get_drvdata(pdev);
516 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF)
519 ret = nouveau_do_suspend(drm_dev);
523 pci_save_state(pdev);
524 pci_disable_device(pdev);
525 pci_set_power_state(pdev, PCI_D3hot);
531 nouveau_do_resume(struct drm_device *dev)
533 struct nouveau_drm *drm = nouveau_drm(dev);
534 struct nouveau_cli *cli;
536 NV_INFO(drm, "re-enabling device...\n");
538 nouveau_agp_reset(drm);
540 NV_INFO(drm, "resuming kernel object tree...\n");
541 nouveau_client_init(&drm->client.base);
542 nouveau_agp_init(drm);
544 NV_INFO(drm, "resuming client object trees...\n");
545 if (drm->fence && nouveau_fence(drm)->resume)
546 nouveau_fence(drm)->resume(drm);
548 list_for_each_entry(cli, &drm->clients, head) {
549 nouveau_client_init(&cli->base);
552 nouveau_run_vbios_init(dev);
553 nouveau_pm_resume(dev);
555 if (dev->mode_config.num_crtc) {
556 NV_INFO(drm, "resuming display...\n");
557 nouveau_display_resume(dev);
562 int nouveau_pmops_resume(struct device *dev)
564 struct pci_dev *pdev = to_pci_dev(dev);
565 struct drm_device *drm_dev = pci_get_drvdata(pdev);
568 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF)
571 pci_set_power_state(pdev, PCI_D0);
572 pci_restore_state(pdev);
573 ret = pci_enable_device(pdev);
576 pci_set_master(pdev);
578 return nouveau_do_resume(drm_dev);
581 static int nouveau_pmops_freeze(struct device *dev)
583 struct pci_dev *pdev = to_pci_dev(dev);
584 struct drm_device *drm_dev = pci_get_drvdata(pdev);
586 return nouveau_do_suspend(drm_dev);
589 static int nouveau_pmops_thaw(struct device *dev)
591 struct pci_dev *pdev = to_pci_dev(dev);
592 struct drm_device *drm_dev = pci_get_drvdata(pdev);
594 return nouveau_do_resume(drm_dev);
599 nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)
601 struct pci_dev *pdev = dev->pdev;
602 struct nouveau_drm *drm = nouveau_drm(dev);
603 struct nouveau_cli *cli;
604 char name[32], tmpname[TASK_COMM_LEN];
607 get_task_comm(tmpname, current);
608 snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid));
610 ret = nouveau_cli_create(pdev, name, sizeof(*cli), (void **)&cli);
614 if (nv_device(drm->device)->card_type >= NV_50) {
615 ret = nouveau_vm_new(nv_device(drm->device), 0, (1ULL << 40),
616 0x1000, &cli->base.vm);
618 nouveau_cli_destroy(cli);
623 fpriv->driver_priv = cli;
625 mutex_lock(&drm->client.mutex);
626 list_add(&cli->head, &drm->clients);
627 mutex_unlock(&drm->client.mutex);
632 nouveau_drm_preclose(struct drm_device *dev, struct drm_file *fpriv)
634 struct nouveau_cli *cli = nouveau_cli(fpriv);
635 struct nouveau_drm *drm = nouveau_drm(dev);
638 nouveau_abi16_fini(cli->abi16);
640 mutex_lock(&drm->client.mutex);
641 list_del(&cli->head);
642 mutex_unlock(&drm->client.mutex);
646 nouveau_drm_postclose(struct drm_device *dev, struct drm_file *fpriv)
648 struct nouveau_cli *cli = nouveau_cli(fpriv);
649 nouveau_cli_destroy(cli);
652 static const struct drm_ioctl_desc
654 DRM_IOCTL_DEF_DRV(NOUVEAU_GETPARAM, nouveau_abi16_ioctl_getparam, DRM_UNLOCKED|DRM_AUTH),
655 DRM_IOCTL_DEF_DRV(NOUVEAU_SETPARAM, nouveau_abi16_ioctl_setparam, DRM_UNLOCKED|DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
656 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_ALLOC, nouveau_abi16_ioctl_channel_alloc, DRM_UNLOCKED|DRM_AUTH),
657 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_FREE, nouveau_abi16_ioctl_channel_free, DRM_UNLOCKED|DRM_AUTH),
658 DRM_IOCTL_DEF_DRV(NOUVEAU_GROBJ_ALLOC, nouveau_abi16_ioctl_grobj_alloc, DRM_UNLOCKED|DRM_AUTH),
659 DRM_IOCTL_DEF_DRV(NOUVEAU_NOTIFIEROBJ_ALLOC, nouveau_abi16_ioctl_notifierobj_alloc, DRM_UNLOCKED|DRM_AUTH),
660 DRM_IOCTL_DEF_DRV(NOUVEAU_GPUOBJ_FREE, nouveau_abi16_ioctl_gpuobj_free, DRM_UNLOCKED|DRM_AUTH),
661 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_NEW, nouveau_gem_ioctl_new, DRM_UNLOCKED|DRM_AUTH),
662 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_PUSHBUF, nouveau_gem_ioctl_pushbuf, DRM_UNLOCKED|DRM_AUTH),
663 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_PREP, nouveau_gem_ioctl_cpu_prep, DRM_UNLOCKED|DRM_AUTH),
664 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_FINI, nouveau_gem_ioctl_cpu_fini, DRM_UNLOCKED|DRM_AUTH),
665 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_INFO, nouveau_gem_ioctl_info, DRM_UNLOCKED|DRM_AUTH),
668 static const struct file_operations
669 nouveau_driver_fops = {
670 .owner = THIS_MODULE,
672 .release = drm_release,
673 .unlocked_ioctl = drm_ioctl,
674 .mmap = nouveau_ttm_mmap,
676 .fasync = drm_fasync,
678 #if defined(CONFIG_COMPAT)
679 .compat_ioctl = nouveau_compat_ioctl,
681 .llseek = noop_llseek,
684 static struct drm_driver
688 DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME,
690 .load = nouveau_drm_load,
691 .unload = nouveau_drm_unload,
692 .open = nouveau_drm_open,
693 .preclose = nouveau_drm_preclose,
694 .postclose = nouveau_drm_postclose,
695 .lastclose = nouveau_vga_lastclose,
697 #if defined(CONFIG_DEBUG_FS)
698 .debugfs_init = nouveau_debugfs_init,
699 .debugfs_cleanup = nouveau_debugfs_takedown,
702 .get_vblank_counter = drm_vblank_count,
703 .enable_vblank = nouveau_drm_vblank_enable,
704 .disable_vblank = nouveau_drm_vblank_disable,
706 .ioctls = nouveau_ioctls,
707 .num_ioctls = ARRAY_SIZE(nouveau_ioctls),
708 .fops = &nouveau_driver_fops,
710 .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
711 .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
712 .gem_prime_export = drm_gem_prime_export,
713 .gem_prime_import = drm_gem_prime_import,
714 .gem_prime_pin = nouveau_gem_prime_pin,
715 .gem_prime_unpin = nouveau_gem_prime_unpin,
716 .gem_prime_get_sg_table = nouveau_gem_prime_get_sg_table,
717 .gem_prime_import_sg_table = nouveau_gem_prime_import_sg_table,
718 .gem_prime_vmap = nouveau_gem_prime_vmap,
719 .gem_prime_vunmap = nouveau_gem_prime_vunmap,
721 .gem_init_object = nouveau_gem_object_new,
722 .gem_free_object = nouveau_gem_object_del,
723 .gem_open_object = nouveau_gem_object_open,
724 .gem_close_object = nouveau_gem_object_close,
726 .dumb_create = nouveau_display_dumb_create,
727 .dumb_map_offset = nouveau_display_dumb_map_offset,
728 .dumb_destroy = drm_gem_dumb_destroy,
733 .date = GIT_REVISION,
737 .major = DRIVER_MAJOR,
738 .minor = DRIVER_MINOR,
739 .patchlevel = DRIVER_PATCHLEVEL,
742 static struct pci_device_id
743 nouveau_drm_pci_table[] = {
745 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
746 .class = PCI_BASE_CLASS_DISPLAY << 16,
747 .class_mask = 0xff << 16,
750 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS, PCI_ANY_ID),
751 .class = PCI_BASE_CLASS_DISPLAY << 16,
752 .class_mask = 0xff << 16,
757 static const struct dev_pm_ops nouveau_pm_ops = {
758 .suspend = nouveau_pmops_suspend,
759 .resume = nouveau_pmops_resume,
760 .freeze = nouveau_pmops_freeze,
761 .thaw = nouveau_pmops_thaw,
762 .poweroff = nouveau_pmops_freeze,
763 .restore = nouveau_pmops_resume,
766 static struct pci_driver
767 nouveau_drm_pci_driver = {
769 .id_table = nouveau_drm_pci_table,
770 .probe = nouveau_drm_probe,
771 .remove = nouveau_drm_remove,
772 .driver.pm = &nouveau_pm_ops,
776 nouveau_drm_init(void)
778 if (nouveau_modeset == -1) {
779 #ifdef CONFIG_VGA_CONSOLE
780 if (vgacon_text_force())
785 if (!nouveau_modeset)
788 nouveau_register_dsm_handler();
789 return drm_pci_init(&driver, &nouveau_drm_pci_driver);
793 nouveau_drm_exit(void)
795 if (!nouveau_modeset)
798 drm_pci_exit(&driver, &nouveau_drm_pci_driver);
799 nouveau_unregister_dsm_handler();
802 module_init(nouveau_drm_init);
803 module_exit(nouveau_drm_exit);
805 MODULE_DEVICE_TABLE(pci, nouveau_drm_pci_table);
806 MODULE_AUTHOR(DRIVER_AUTHOR);
807 MODULE_DESCRIPTION(DRIVER_DESC);
808 MODULE_LICENSE("GPL and additional rights");