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 "nouveau_drm.h"
38 #include "nouveau_irq.h"
39 #include "nouveau_dma.h"
40 #include "nouveau_ttm.h"
41 #include "nouveau_gem.h"
42 #include "nouveau_agp.h"
43 #include "nouveau_vga.h"
44 #include "nouveau_pm.h"
45 #include "nouveau_acpi.h"
46 #include "nouveau_bios.h"
47 #include "nouveau_ioctl.h"
48 #include "nouveau_abi16.h"
49 #include "nouveau_fbcon.h"
50 #include "nouveau_fence.h"
52 MODULE_PARM_DESC(config
, "option string to pass to driver core");
53 static char *nouveau_config
;
54 module_param_named(config
, nouveau_config
, charp
, 0400);
56 MODULE_PARM_DESC(debug
, "debug string to pass to driver core");
57 static char *nouveau_debug
;
58 module_param_named(debug
, nouveau_debug
, charp
, 0400);
60 MODULE_PARM_DESC(noaccel
, "disable kernel/abi16 acceleration");
61 static int nouveau_noaccel
= 0;
62 module_param_named(noaccel
, nouveau_noaccel
, int, 0400);
64 MODULE_PARM_DESC(modeset
, "enable driver (default: auto, "
65 "0 = disabled, 1 = enabled, 2 = headless)");
66 int nouveau_modeset
= -1;
67 module_param_named(modeset
, nouveau_modeset
, int, 0400);
69 static struct drm_driver driver
;
72 nouveau_name(struct pci_dev
*pdev
)
74 u64 name
= (u64
)pci_domain_nr(pdev
->bus
) << 32;
75 name
|= pdev
->bus
->number
<< 16;
76 name
|= PCI_SLOT(pdev
->devfn
) << 8;
77 return name
| PCI_FUNC(pdev
->devfn
);
81 nouveau_cli_create(struct pci_dev
*pdev
, const char *name
,
82 int size
, void **pcli
)
84 struct nouveau_cli
*cli
;
88 ret
= nouveau_client_create_(name
, nouveau_name(pdev
), nouveau_config
,
89 nouveau_debug
, size
, pcli
);
93 nouveau_client_destroy(&cli
->base
);
98 mutex_init(&cli
->mutex
);
103 nouveau_cli_destroy(struct nouveau_cli
*cli
)
105 struct nouveau_object
*client
= nv_object(cli
);
106 nouveau_vm_ref(NULL
, &cli
->base
.vm
, NULL
);
107 nouveau_client_fini(&cli
->base
, false);
108 atomic_set(&client
->refcount
, 1);
109 nouveau_object_ref(NULL
, &client
);
113 nouveau_accel_fini(struct nouveau_drm
*drm
)
115 nouveau_gpuobj_ref(NULL
, &drm
->notify
);
116 nouveau_channel_del(&drm
->channel
);
117 nouveau_channel_del(&drm
->cechan
);
119 nouveau_fence(drm
)->dtor(drm
);
123 nouveau_accel_init(struct nouveau_drm
*drm
)
125 struct nouveau_device
*device
= nv_device(drm
->device
);
126 struct nouveau_object
*object
;
133 /* initialise synchronisation routines */
134 if (device
->card_type
< NV_10
) ret
= nv04_fence_create(drm
);
135 else if (device
->card_type
< NV_50
) ret
= nv10_fence_create(drm
);
136 else if (device
->chipset
< 0x84) ret
= nv50_fence_create(drm
);
137 else if (device
->card_type
< NV_C0
) ret
= nv84_fence_create(drm
);
138 else ret
= nvc0_fence_create(drm
);
140 NV_ERROR(drm
, "failed to initialise sync subsystem, %d\n", ret
);
141 nouveau_accel_fini(drm
);
145 if (device
->card_type
>= NV_E0
) {
146 ret
= nouveau_channel_new(drm
, &drm
->client
, NVDRM_DEVICE
,
148 NVE0_CHANNEL_IND_ENGINE_CE0
|
149 NVE0_CHANNEL_IND_ENGINE_CE1
, 0,
152 NV_ERROR(drm
, "failed to create ce channel, %d\n", ret
);
154 arg0
= NVE0_CHANNEL_IND_ENGINE_GR
;
161 ret
= nouveau_channel_new(drm
, &drm
->client
, NVDRM_DEVICE
, NVDRM_CHAN
,
162 arg0
, arg1
, &drm
->channel
);
164 NV_ERROR(drm
, "failed to create kernel channel, %d\n", ret
);
165 nouveau_accel_fini(drm
);
169 if (device
->card_type
< NV_C0
) {
170 ret
= nouveau_gpuobj_new(drm
->device
, NULL
, 32, 0, 0,
173 NV_ERROR(drm
, "failed to allocate notifier, %d\n", ret
);
174 nouveau_accel_fini(drm
);
178 ret
= nouveau_object_new(nv_object(drm
),
179 drm
->channel
->handle
, NvNotify0
,
180 0x003d, &(struct nv_dma_class
) {
181 .flags
= NV_DMA_TARGET_VRAM
|
183 .start
= drm
->notify
->addr
,
184 .limit
= drm
->notify
->addr
+ 31
185 }, sizeof(struct nv_dma_class
),
188 nouveau_accel_fini(drm
);
194 nouveau_bo_move_init(drm
);
197 static int nouveau_drm_probe(struct pci_dev
*pdev
,
198 const struct pci_device_id
*pent
)
200 struct nouveau_device
*device
;
201 struct apertures_struct
*aper
;
205 /* remove conflicting drivers (vesafb, efifb etc) */
206 aper
= alloc_apertures(3);
210 aper
->ranges
[0].base
= pci_resource_start(pdev
, 1);
211 aper
->ranges
[0].size
= pci_resource_len(pdev
, 1);
214 if (pci_resource_len(pdev
, 2)) {
215 aper
->ranges
[aper
->count
].base
= pci_resource_start(pdev
, 2);
216 aper
->ranges
[aper
->count
].size
= pci_resource_len(pdev
, 2);
220 if (pci_resource_len(pdev
, 3)) {
221 aper
->ranges
[aper
->count
].base
= pci_resource_start(pdev
, 3);
222 aper
->ranges
[aper
->count
].size
= pci_resource_len(pdev
, 3);
227 boot
= pdev
->resource
[PCI_ROM_RESOURCE
].flags
& IORESOURCE_ROM_SHADOW
;
229 remove_conflicting_framebuffers(aper
, "nouveaufb", boot
);
232 ret
= nouveau_device_create(pdev
, nouveau_name(pdev
), pci_name(pdev
),
233 nouveau_config
, nouveau_debug
, &device
);
237 pci_set_master(pdev
);
239 ret
= drm_get_pci_dev(pdev
, pent
, &driver
);
241 nouveau_object_ref(NULL
, (struct nouveau_object
**)&device
);
249 nouveau_drm_load(struct drm_device
*dev
, unsigned long flags
)
251 struct pci_dev
*pdev
= dev
->pdev
;
252 struct nouveau_device
*device
;
253 struct nouveau_drm
*drm
;
256 ret
= nouveau_cli_create(pdev
, "DRM", sizeof(*drm
), (void**)&drm
);
260 dev
->dev_private
= drm
;
263 INIT_LIST_HEAD(&drm
->clients
);
264 spin_lock_init(&drm
->tile
.lock
);
266 /* make sure AGP controller is in a consistent state before we
267 * (possibly) execute vbios init tables (see nouveau_agp.h)
269 if (drm_pci_device_is_agp(dev
) && dev
->agp
) {
270 /* dummy device object, doesn't init anything, but allows
271 * agp code access to registers
273 ret
= nouveau_object_new(nv_object(drm
), NVDRM_CLIENT
,
274 NVDRM_DEVICE
, 0x0080,
275 &(struct nv_device_class
) {
278 ~(NV_DEVICE_DISABLE_MMIO
|
279 NV_DEVICE_DISABLE_IDENTIFY
),
281 }, sizeof(struct nv_device_class
),
286 nouveau_agp_reset(drm
);
287 nouveau_object_del(nv_object(drm
), NVDRM_CLIENT
, NVDRM_DEVICE
);
290 ret
= nouveau_object_new(nv_object(drm
), NVDRM_CLIENT
, NVDRM_DEVICE
,
291 0x0080, &(struct nv_device_class
) {
295 }, sizeof(struct nv_device_class
),
300 /* workaround an odd issue on nvc1 by disabling the device's
301 * nosnoop capability. hopefully won't cause issues until a
302 * better fix is found - assuming there is one...
304 device
= nv_device(drm
->device
);
305 if (nv_device(drm
->device
)->chipset
== 0xc1)
306 nv_mask(device
, 0x00088080, 0x00000800, 0x00000000);
308 nouveau_vga_init(drm
);
309 nouveau_agp_init(drm
);
311 if (device
->card_type
>= NV_50
) {
312 ret
= nouveau_vm_new(nv_device(drm
->device
), 0, (1ULL << 40),
313 0x1000, &drm
->client
.base
.vm
);
318 ret
= nouveau_ttm_init(drm
);
322 ret
= nouveau_bios_init(dev
);
326 ret
= nouveau_irq_init(dev
);
330 ret
= nouveau_display_create(dev
);
334 if (dev
->mode_config
.num_crtc
) {
335 ret
= nouveau_display_init(dev
);
340 nouveau_pm_init(dev
);
342 nouveau_accel_init(drm
);
343 nouveau_fbcon_init(dev
);
347 nouveau_display_destroy(dev
);
349 nouveau_irq_fini(dev
);
351 nouveau_bios_takedown(dev
);
353 nouveau_ttm_fini(drm
);
355 nouveau_agp_fini(drm
);
356 nouveau_vga_fini(drm
);
358 nouveau_cli_destroy(&drm
->client
);
363 nouveau_drm_unload(struct drm_device
*dev
)
365 struct nouveau_drm
*drm
= nouveau_drm(dev
);
367 nouveau_fbcon_fini(dev
);
368 nouveau_accel_fini(drm
);
370 nouveau_pm_fini(dev
);
372 if (dev
->mode_config
.num_crtc
)
373 nouveau_display_fini(dev
);
374 nouveau_display_destroy(dev
);
376 nouveau_irq_fini(dev
);
377 nouveau_bios_takedown(dev
);
379 nouveau_ttm_fini(drm
);
380 nouveau_agp_fini(drm
);
381 nouveau_vga_fini(drm
);
383 nouveau_cli_destroy(&drm
->client
);
388 nouveau_drm_remove(struct pci_dev
*pdev
)
390 struct drm_device
*dev
= pci_get_drvdata(pdev
);
391 struct nouveau_drm
*drm
= nouveau_drm(dev
);
392 struct nouveau_object
*device
;
394 device
= drm
->client
.base
.device
;
397 nouveau_object_ref(NULL
, &device
);
398 nouveau_object_debug();
402 nouveau_do_suspend(struct drm_device
*dev
)
404 struct nouveau_drm
*drm
= nouveau_drm(dev
);
405 struct nouveau_cli
*cli
;
408 if (dev
->mode_config
.num_crtc
) {
409 NV_INFO(drm
, "suspending fbcon...\n");
410 nouveau_fbcon_set_suspend(dev
, 1);
412 NV_INFO(drm
, "suspending display...\n");
413 ret
= nouveau_display_suspend(dev
);
418 NV_INFO(drm
, "evicting buffers...\n");
419 ttm_bo_evict_mm(&drm
->ttm
.bdev
, TTM_PL_VRAM
);
421 if (drm
->fence
&& nouveau_fence(drm
)->suspend
) {
422 if (!nouveau_fence(drm
)->suspend(drm
))
426 NV_INFO(drm
, "suspending client object trees...\n");
427 list_for_each_entry(cli
, &drm
->clients
, head
) {
428 ret
= nouveau_client_fini(&cli
->base
, true);
433 ret
= nouveau_client_fini(&drm
->client
.base
, true);
437 nouveau_agp_fini(drm
);
441 list_for_each_entry_continue_reverse(cli
, &drm
->clients
, head
) {
442 nouveau_client_init(&cli
->base
);
445 if (dev
->mode_config
.num_crtc
) {
446 NV_INFO(drm
, "resuming display...\n");
447 nouveau_display_resume(dev
);
452 int nouveau_pmops_suspend(struct device
*dev
)
454 struct pci_dev
*pdev
= to_pci_dev(dev
);
455 struct drm_device
*drm_dev
= pci_get_drvdata(pdev
);
458 if (drm_dev
->switch_power_state
== DRM_SWITCH_POWER_OFF
)
461 ret
= nouveau_do_suspend(drm_dev
);
465 pci_save_state(pdev
);
466 pci_disable_device(pdev
);
467 pci_set_power_state(pdev
, PCI_D3hot
);
473 nouveau_do_resume(struct drm_device
*dev
)
475 struct nouveau_drm
*drm
= nouveau_drm(dev
);
476 struct nouveau_cli
*cli
;
478 NV_INFO(drm
, "re-enabling device...\n");
480 nouveau_agp_reset(drm
);
482 NV_INFO(drm
, "resuming client object trees...\n");
483 nouveau_client_init(&drm
->client
.base
);
484 nouveau_agp_init(drm
);
486 list_for_each_entry(cli
, &drm
->clients
, head
) {
487 nouveau_client_init(&cli
->base
);
490 if (drm
->fence
&& nouveau_fence(drm
)->resume
)
491 nouveau_fence(drm
)->resume(drm
);
493 nouveau_run_vbios_init(dev
);
494 nouveau_irq_postinstall(dev
);
495 nouveau_pm_resume(dev
);
497 if (dev
->mode_config
.num_crtc
) {
498 NV_INFO(drm
, "resuming display...\n");
499 nouveau_display_resume(dev
);
504 int nouveau_pmops_resume(struct device
*dev
)
506 struct pci_dev
*pdev
= to_pci_dev(dev
);
507 struct drm_device
*drm_dev
= pci_get_drvdata(pdev
);
510 if (drm_dev
->switch_power_state
== DRM_SWITCH_POWER_OFF
)
513 pci_set_power_state(pdev
, PCI_D0
);
514 pci_restore_state(pdev
);
515 ret
= pci_enable_device(pdev
);
518 pci_set_master(pdev
);
520 return nouveau_do_resume(drm_dev
);
523 static int nouveau_pmops_freeze(struct device
*dev
)
525 struct pci_dev
*pdev
= to_pci_dev(dev
);
526 struct drm_device
*drm_dev
= pci_get_drvdata(pdev
);
528 return nouveau_do_suspend(drm_dev
);
531 static int nouveau_pmops_thaw(struct device
*dev
)
533 struct pci_dev
*pdev
= to_pci_dev(dev
);
534 struct drm_device
*drm_dev
= pci_get_drvdata(pdev
);
536 return nouveau_do_resume(drm_dev
);
541 nouveau_drm_open(struct drm_device
*dev
, struct drm_file
*fpriv
)
543 struct pci_dev
*pdev
= dev
->pdev
;
544 struct nouveau_drm
*drm
= nouveau_drm(dev
);
545 struct nouveau_cli
*cli
;
549 snprintf(name
, sizeof(name
), "%d", pid_nr(fpriv
->pid
));
551 ret
= nouveau_cli_create(pdev
, name
, sizeof(*cli
), (void **)&cli
);
555 if (nv_device(drm
->device
)->card_type
>= NV_50
) {
556 ret
= nouveau_vm_new(nv_device(drm
->device
), 0, (1ULL << 40),
557 0x1000, &cli
->base
.vm
);
559 nouveau_cli_destroy(cli
);
564 fpriv
->driver_priv
= cli
;
566 mutex_lock(&drm
->client
.mutex
);
567 list_add(&cli
->head
, &drm
->clients
);
568 mutex_unlock(&drm
->client
.mutex
);
573 nouveau_drm_preclose(struct drm_device
*dev
, struct drm_file
*fpriv
)
575 struct nouveau_cli
*cli
= nouveau_cli(fpriv
);
576 struct nouveau_drm
*drm
= nouveau_drm(dev
);
579 nouveau_abi16_fini(cli
->abi16
);
581 mutex_lock(&drm
->client
.mutex
);
582 list_del(&cli
->head
);
583 mutex_unlock(&drm
->client
.mutex
);
587 nouveau_drm_postclose(struct drm_device
*dev
, struct drm_file
*fpriv
)
589 struct nouveau_cli
*cli
= nouveau_cli(fpriv
);
590 nouveau_cli_destroy(cli
);
593 static struct drm_ioctl_desc
595 DRM_IOCTL_DEF_DRV(NOUVEAU_GETPARAM
, nouveau_abi16_ioctl_getparam
, DRM_UNLOCKED
|DRM_AUTH
),
596 DRM_IOCTL_DEF_DRV(NOUVEAU_SETPARAM
, nouveau_abi16_ioctl_setparam
, DRM_UNLOCKED
|DRM_AUTH
|DRM_MASTER
|DRM_ROOT_ONLY
),
597 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_ALLOC
, nouveau_abi16_ioctl_channel_alloc
, DRM_UNLOCKED
|DRM_AUTH
),
598 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_FREE
, nouveau_abi16_ioctl_channel_free
, DRM_UNLOCKED
|DRM_AUTH
),
599 DRM_IOCTL_DEF_DRV(NOUVEAU_GROBJ_ALLOC
, nouveau_abi16_ioctl_grobj_alloc
, DRM_UNLOCKED
|DRM_AUTH
),
600 DRM_IOCTL_DEF_DRV(NOUVEAU_NOTIFIEROBJ_ALLOC
, nouveau_abi16_ioctl_notifierobj_alloc
, DRM_UNLOCKED
|DRM_AUTH
),
601 DRM_IOCTL_DEF_DRV(NOUVEAU_GPUOBJ_FREE
, nouveau_abi16_ioctl_gpuobj_free
, DRM_UNLOCKED
|DRM_AUTH
),
602 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_NEW
, nouveau_gem_ioctl_new
, DRM_UNLOCKED
|DRM_AUTH
),
603 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_PUSHBUF
, nouveau_gem_ioctl_pushbuf
, DRM_UNLOCKED
|DRM_AUTH
),
604 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_PREP
, nouveau_gem_ioctl_cpu_prep
, DRM_UNLOCKED
|DRM_AUTH
),
605 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_FINI
, nouveau_gem_ioctl_cpu_fini
, DRM_UNLOCKED
|DRM_AUTH
),
606 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_INFO
, nouveau_gem_ioctl_info
, DRM_UNLOCKED
|DRM_AUTH
),
609 static const struct file_operations
610 nouveau_driver_fops
= {
611 .owner
= THIS_MODULE
,
613 .release
= drm_release
,
614 .unlocked_ioctl
= drm_ioctl
,
615 .mmap
= nouveau_ttm_mmap
,
617 .fasync
= drm_fasync
,
619 #if defined(CONFIG_COMPAT)
620 .compat_ioctl
= nouveau_compat_ioctl
,
622 .llseek
= noop_llseek
,
625 static struct drm_driver
628 DRIVER_USE_AGP
| DRIVER_PCI_DMA
| DRIVER_SG
|
629 DRIVER_HAVE_IRQ
| DRIVER_IRQ_SHARED
| DRIVER_GEM
|
630 DRIVER_MODESET
| DRIVER_PRIME
,
632 .load
= nouveau_drm_load
,
633 .unload
= nouveau_drm_unload
,
634 .open
= nouveau_drm_open
,
635 .preclose
= nouveau_drm_preclose
,
636 .postclose
= nouveau_drm_postclose
,
637 .lastclose
= nouveau_vga_lastclose
,
639 .irq_preinstall
= nouveau_irq_preinstall
,
640 .irq_postinstall
= nouveau_irq_postinstall
,
641 .irq_uninstall
= nouveau_irq_uninstall
,
642 .irq_handler
= nouveau_irq_handler
,
644 .get_vblank_counter
= drm_vblank_count
,
645 .enable_vblank
= nouveau_vblank_enable
,
646 .disable_vblank
= nouveau_vblank_disable
,
648 .ioctls
= nouveau_ioctls
,
649 .fops
= &nouveau_driver_fops
,
651 .prime_handle_to_fd
= drm_gem_prime_handle_to_fd
,
652 .prime_fd_to_handle
= drm_gem_prime_fd_to_handle
,
653 .gem_prime_export
= nouveau_gem_prime_export
,
654 .gem_prime_import
= nouveau_gem_prime_import
,
656 .gem_init_object
= nouveau_gem_object_new
,
657 .gem_free_object
= nouveau_gem_object_del
,
658 .gem_open_object
= nouveau_gem_object_open
,
659 .gem_close_object
= nouveau_gem_object_close
,
661 .dumb_create
= nouveau_display_dumb_create
,
662 .dumb_map_offset
= nouveau_display_dumb_map_offset
,
663 .dumb_destroy
= nouveau_display_dumb_destroy
,
668 .date
= GIT_REVISION
,
672 .major
= DRIVER_MAJOR
,
673 .minor
= DRIVER_MINOR
,
674 .patchlevel
= DRIVER_PATCHLEVEL
,
677 static struct pci_device_id
678 nouveau_drm_pci_table
[] = {
680 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA
, PCI_ANY_ID
),
681 .class = PCI_BASE_CLASS_DISPLAY
<< 16,
682 .class_mask
= 0xff << 16,
685 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS
, PCI_ANY_ID
),
686 .class = PCI_BASE_CLASS_DISPLAY
<< 16,
687 .class_mask
= 0xff << 16,
692 static const struct dev_pm_ops nouveau_pm_ops
= {
693 .suspend
= nouveau_pmops_suspend
,
694 .resume
= nouveau_pmops_resume
,
695 .freeze
= nouveau_pmops_freeze
,
696 .thaw
= nouveau_pmops_thaw
,
697 .poweroff
= nouveau_pmops_freeze
,
698 .restore
= nouveau_pmops_resume
,
701 static struct pci_driver
702 nouveau_drm_pci_driver
= {
704 .id_table
= nouveau_drm_pci_table
,
705 .probe
= nouveau_drm_probe
,
706 .remove
= nouveau_drm_remove
,
707 .driver
.pm
= &nouveau_pm_ops
,
711 nouveau_drm_init(void)
713 driver
.num_ioctls
= ARRAY_SIZE(nouveau_ioctls
);
715 if (nouveau_modeset
== -1) {
716 #ifdef CONFIG_VGA_CONSOLE
717 if (vgacon_text_force())
722 if (!nouveau_modeset
)
725 nouveau_register_dsm_handler();
726 return drm_pci_init(&driver
, &nouveau_drm_pci_driver
);
730 nouveau_drm_exit(void)
732 if (!nouveau_modeset
)
735 drm_pci_exit(&driver
, &nouveau_drm_pci_driver
);
736 nouveau_unregister_dsm_handler();
739 module_init(nouveau_drm_init
);
740 module_exit(nouveau_drm_exit
);
742 MODULE_DEVICE_TABLE(pci
, nouveau_drm_pci_table
);
743 MODULE_AUTHOR(DRIVER_AUTHOR
);
744 MODULE_DESCRIPTION(DRIVER_DESC
);
745 MODULE_LICENSE("GPL and additional rights");