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/delay.h>
27 #include <linux/module.h>
28 #include <linux/pci.h>
29 #include <linux/pm_runtime.h>
30 #include <linux/vga_switcheroo.h>
33 #include <drm/drm_crtc_helper.h>
35 #include <core/gpuobj.h>
36 #include <core/option.h>
38 #include <core/tegra.h>
40 #include <nvif/driver.h>
41 #include <nvif/fifo.h>
42 #include <nvif/user.h>
44 #include <nvif/class.h>
45 #include <nvif/cl0002.h>
46 #include <nvif/cla06f.h>
47 #include <nvif/if0004.h>
49 #include "nouveau_drv.h"
50 #include "nouveau_dma.h"
51 #include "nouveau_ttm.h"
52 #include "nouveau_gem.h"
53 #include "nouveau_vga.h"
54 #include "nouveau_led.h"
55 #include "nouveau_hwmon.h"
56 #include "nouveau_acpi.h"
57 #include "nouveau_bios.h"
58 #include "nouveau_ioctl.h"
59 #include "nouveau_abi16.h"
60 #include "nouveau_fbcon.h"
61 #include "nouveau_fence.h"
62 #include "nouveau_debugfs.h"
63 #include "nouveau_usif.h"
64 #include "nouveau_connector.h"
65 #include "nouveau_platform.h"
67 MODULE_PARM_DESC(config, "option string to pass to driver core");
68 static char *nouveau_config;
69 module_param_named(config, nouveau_config, charp, 0400);
71 MODULE_PARM_DESC(debug, "debug string to pass to driver core");
72 static char *nouveau_debug;
73 module_param_named(debug, nouveau_debug, charp, 0400);
75 MODULE_PARM_DESC(noaccel, "disable kernel/abi16 acceleration");
76 static int nouveau_noaccel = 0;
77 module_param_named(noaccel, nouveau_noaccel, int, 0400);
79 MODULE_PARM_DESC(modeset, "enable driver (default: auto, "
80 "0 = disabled, 1 = enabled, 2 = headless)");
81 int nouveau_modeset = -1;
82 module_param_named(modeset, nouveau_modeset, int, 0400);
84 MODULE_PARM_DESC(atomic, "Expose atomic ioctl (default: disabled)");
85 static int nouveau_atomic = 0;
86 module_param_named(atomic, nouveau_atomic, int, 0400);
88 MODULE_PARM_DESC(runpm, "disable (0), force enable (1), optimus only default (-1)");
89 static int nouveau_runtime_pm = -1;
90 module_param_named(runpm, nouveau_runtime_pm, int, 0400);
92 static struct drm_driver driver_stub;
93 static struct drm_driver driver_pci;
94 static struct drm_driver driver_platform;
97 nouveau_pci_name(struct pci_dev *pdev)
99 u64 name = (u64)pci_domain_nr(pdev->bus) << 32;
100 name |= pdev->bus->number << 16;
101 name |= PCI_SLOT(pdev->devfn) << 8;
102 return name | PCI_FUNC(pdev->devfn);
106 nouveau_platform_name(struct platform_device *platformdev)
108 return platformdev->id;
112 nouveau_name(struct drm_device *dev)
115 return nouveau_pci_name(dev->pdev);
117 return nouveau_platform_name(to_platform_device(dev->dev));
121 nouveau_cli_work_ready(struct dma_fence *fence)
123 if (!dma_fence_is_signaled(fence))
125 dma_fence_put(fence);
130 nouveau_cli_work(struct work_struct *w)
132 struct nouveau_cli *cli = container_of(w, typeof(*cli), work);
133 struct nouveau_cli_work *work, *wtmp;
134 mutex_lock(&cli->lock);
135 list_for_each_entry_safe(work, wtmp, &cli->worker, head) {
136 if (!work->fence || nouveau_cli_work_ready(work->fence)) {
137 list_del(&work->head);
141 mutex_unlock(&cli->lock);
145 nouveau_cli_work_fence(struct dma_fence *fence, struct dma_fence_cb *cb)
147 struct nouveau_cli_work *work = container_of(cb, typeof(*work), cb);
148 schedule_work(&work->cli->work);
152 nouveau_cli_work_queue(struct nouveau_cli *cli, struct dma_fence *fence,
153 struct nouveau_cli_work *work)
155 work->fence = dma_fence_get(fence);
157 mutex_lock(&cli->lock);
158 list_add_tail(&work->head, &cli->worker);
159 if (dma_fence_add_callback(fence, &work->cb, nouveau_cli_work_fence))
160 nouveau_cli_work_fence(fence, &work->cb);
161 mutex_unlock(&cli->lock);
165 nouveau_cli_fini(struct nouveau_cli *cli)
167 /* All our channels are dead now, which means all the fences they
168 * own are signalled, and all callback functions have been called.
170 * So, after flushing the workqueue, there should be nothing left.
172 flush_work(&cli->work);
173 WARN_ON(!list_empty(&cli->worker));
175 usif_client_fini(cli);
176 nouveau_vmm_fini(&cli->vmm);
177 nvif_mmu_fini(&cli->mmu);
178 nvif_device_fini(&cli->device);
179 mutex_lock(&cli->drm->master.lock);
180 nvif_client_fini(&cli->base);
181 mutex_unlock(&cli->drm->master.lock);
185 nouveau_cli_init(struct nouveau_drm *drm, const char *sname,
186 struct nouveau_cli *cli)
188 static const struct nvif_mclass
190 { NVIF_CLASS_MEM_GF100, -1 },
191 { NVIF_CLASS_MEM_NV50 , -1 },
192 { NVIF_CLASS_MEM_NV04 , -1 },
195 static const struct nvif_mclass
197 { NVIF_CLASS_MMU_GF100, -1 },
198 { NVIF_CLASS_MMU_NV50 , -1 },
199 { NVIF_CLASS_MMU_NV04 , -1 },
202 static const struct nvif_mclass
204 { NVIF_CLASS_VMM_GP100, -1 },
205 { NVIF_CLASS_VMM_GM200, -1 },
206 { NVIF_CLASS_VMM_GF100, -1 },
207 { NVIF_CLASS_VMM_NV50 , -1 },
208 { NVIF_CLASS_VMM_NV04 , -1 },
211 u64 device = nouveau_name(drm->dev);
214 snprintf(cli->name, sizeof(cli->name), "%s", sname);
216 mutex_init(&cli->mutex);
217 usif_client_init(cli);
219 INIT_WORK(&cli->work, nouveau_cli_work);
220 INIT_LIST_HEAD(&cli->worker);
221 mutex_init(&cli->lock);
223 if (cli == &drm->master) {
224 ret = nvif_driver_init(NULL, nouveau_config, nouveau_debug,
225 cli->name, device, &cli->base);
227 mutex_lock(&drm->master.lock);
228 ret = nvif_client_init(&drm->master.base, cli->name, device,
230 mutex_unlock(&drm->master.lock);
233 NV_PRINTK(err, cli, "Client allocation failed: %d\n", ret);
237 ret = nvif_device_init(&cli->base.object, 0, NV_DEVICE,
238 &(struct nv_device_v0) {
240 }, sizeof(struct nv_device_v0),
243 NV_PRINTK(err, cli, "Device allocation failed: %d\n", ret);
247 ret = nvif_mclass(&cli->device.object, mmus);
249 NV_PRINTK(err, cli, "No supported MMU class\n");
253 ret = nvif_mmu_init(&cli->device.object, mmus[ret].oclass, &cli->mmu);
255 NV_PRINTK(err, cli, "MMU allocation failed: %d\n", ret);
259 ret = nvif_mclass(&cli->mmu.object, vmms);
261 NV_PRINTK(err, cli, "No supported VMM class\n");
265 ret = nouveau_vmm_init(cli, vmms[ret].oclass, &cli->vmm);
267 NV_PRINTK(err, cli, "VMM allocation failed: %d\n", ret);
271 ret = nvif_mclass(&cli->mmu.object, mems);
273 NV_PRINTK(err, cli, "No supported MEM class\n");
277 cli->mem = &mems[ret];
281 nouveau_cli_fini(cli);
286 nouveau_accel_fini(struct nouveau_drm *drm)
288 nouveau_channel_idle(drm->channel);
289 nvif_object_fini(&drm->ntfy);
290 nvkm_gpuobj_del(&drm->notify);
291 nvif_notify_fini(&drm->flip);
292 nvif_object_fini(&drm->nvsw);
293 nouveau_channel_del(&drm->channel);
295 nouveau_channel_idle(drm->cechan);
296 nvif_object_fini(&drm->ttm.copy);
297 nouveau_channel_del(&drm->cechan);
300 nouveau_fence(drm)->dtor(drm);
304 nouveau_accel_init(struct nouveau_drm *drm)
306 struct nvif_device *device = &drm->client.device;
307 struct nvif_sclass *sclass;
314 ret = nouveau_channels_init(drm);
318 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_VOLTA) {
319 ret = nvif_user_init(device);
324 /* initialise synchronisation routines */
325 /*XXX: this is crap, but the fence/channel stuff is a little
326 * backwards in some places. this will be fixed.
328 ret = n = nvif_object_sclass_get(&device->object, &sclass);
332 for (ret = -ENOSYS, i = 0; i < n; i++) {
333 switch (sclass[i].oclass) {
334 case NV03_CHANNEL_DMA:
335 ret = nv04_fence_create(drm);
337 case NV10_CHANNEL_DMA:
338 ret = nv10_fence_create(drm);
340 case NV17_CHANNEL_DMA:
341 case NV40_CHANNEL_DMA:
342 ret = nv17_fence_create(drm);
344 case NV50_CHANNEL_GPFIFO:
345 ret = nv50_fence_create(drm);
347 case G82_CHANNEL_GPFIFO:
348 ret = nv84_fence_create(drm);
350 case FERMI_CHANNEL_GPFIFO:
351 case KEPLER_CHANNEL_GPFIFO_A:
352 case KEPLER_CHANNEL_GPFIFO_B:
353 case MAXWELL_CHANNEL_GPFIFO_A:
354 case PASCAL_CHANNEL_GPFIFO_A:
355 case VOLTA_CHANNEL_GPFIFO_A:
356 ret = nvc0_fence_create(drm);
363 nvif_object_sclass_put(&sclass);
365 NV_ERROR(drm, "failed to initialise sync subsystem, %d\n", ret);
366 nouveau_accel_fini(drm);
370 if (device->info.family >= NV_DEVICE_INFO_V0_KEPLER) {
371 ret = nouveau_channel_new(drm, &drm->client.device,
372 nvif_fifo_runlist_ce(device), 0,
375 NV_ERROR(drm, "failed to create ce channel, %d\n", ret);
377 arg0 = nvif_fifo_runlist(device, NV_DEVICE_INFO_ENGINE_GR);
380 if (device->info.chipset >= 0xa3 &&
381 device->info.chipset != 0xaa &&
382 device->info.chipset != 0xac) {
383 ret = nouveau_channel_new(drm, &drm->client.device,
384 NvDmaFB, NvDmaTT, &drm->cechan);
386 NV_ERROR(drm, "failed to create ce channel, %d\n", ret);
395 ret = nouveau_channel_new(drm, &drm->client.device,
396 arg0, arg1, &drm->channel);
398 NV_ERROR(drm, "failed to create kernel channel, %d\n", ret);
399 nouveau_accel_fini(drm);
403 if (device->info.family < NV_DEVICE_INFO_V0_TESLA) {
404 ret = nvif_object_init(&drm->channel->user, NVDRM_NVSW,
405 nouveau_abi16_swclass(drm), NULL, 0,
408 ret = RING_SPACE(drm->channel, 2);
410 BEGIN_NV04(drm->channel, NvSubSw, 0, 1);
411 OUT_RING (drm->channel, drm->nvsw.handle);
414 ret = nvif_notify_init(&drm->nvsw,
415 nouveau_flip_complete,
416 false, NV04_NVSW_NTFY_UEVENT,
417 NULL, 0, 0, &drm->flip);
419 ret = nvif_notify_get(&drm->flip);
421 nouveau_accel_fini(drm);
427 NV_ERROR(drm, "failed to allocate sw class, %d\n", ret);
428 nouveau_accel_fini(drm);
433 if (device->info.family < NV_DEVICE_INFO_V0_FERMI) {
434 ret = nvkm_gpuobj_new(nvxx_device(&drm->client.device), 32, 0,
435 false, NULL, &drm->notify);
437 NV_ERROR(drm, "failed to allocate notifier, %d\n", ret);
438 nouveau_accel_fini(drm);
442 ret = nvif_object_init(&drm->channel->user, NvNotify0,
444 &(struct nv_dma_v0) {
445 .target = NV_DMA_V0_TARGET_VRAM,
446 .access = NV_DMA_V0_ACCESS_RDWR,
447 .start = drm->notify->addr,
448 .limit = drm->notify->addr + 31
449 }, sizeof(struct nv_dma_v0),
452 nouveau_accel_fini(drm);
458 nouveau_bo_move_init(drm);
462 nouveau_drm_device_init(struct drm_device *dev)
464 struct nouveau_drm *drm;
467 if (!(drm = kzalloc(sizeof(*drm), GFP_KERNEL)))
469 dev->dev_private = drm;
472 ret = nouveau_cli_init(drm, "DRM-master", &drm->master);
476 ret = nouveau_cli_init(drm, "DRM", &drm->client);
480 dev->irq_enabled = true;
482 nvxx_client(&drm->client.base)->debug =
483 nvkm_dbgopt(nouveau_debug, "DRM");
485 INIT_LIST_HEAD(&drm->clients);
486 spin_lock_init(&drm->tile.lock);
488 /* workaround an odd issue on nvc1 by disabling the device's
489 * nosnoop capability. hopefully won't cause issues until a
490 * better fix is found - assuming there is one...
492 if (drm->client.device.info.chipset == 0xc1)
493 nvif_mask(&drm->client.device.object, 0x00088080, 0x00000800, 0x00000000);
495 nouveau_vga_init(drm);
497 ret = nouveau_ttm_init(drm);
501 ret = nouveau_bios_init(dev);
505 ret = nouveau_display_create(dev);
509 if (dev->mode_config.num_crtc) {
510 ret = nouveau_display_init(dev);
515 nouveau_debugfs_init(drm);
516 nouveau_hwmon_init(dev);
517 nouveau_accel_init(drm);
518 nouveau_fbcon_init(dev);
519 nouveau_led_init(dev);
521 if (nouveau_pmops_runtime()) {
522 pm_runtime_use_autosuspend(dev->dev);
523 pm_runtime_set_autosuspend_delay(dev->dev, 5000);
524 pm_runtime_set_active(dev->dev);
525 pm_runtime_allow(dev->dev);
526 pm_runtime_mark_last_busy(dev->dev);
527 pm_runtime_put(dev->dev);
533 nouveau_display_destroy(dev);
535 nouveau_bios_takedown(dev);
537 nouveau_ttm_fini(drm);
539 nouveau_vga_fini(drm);
540 nouveau_cli_fini(&drm->client);
542 nouveau_cli_fini(&drm->master);
549 nouveau_drm_device_fini(struct drm_device *dev)
551 struct nouveau_drm *drm = nouveau_drm(dev);
553 if (nouveau_pmops_runtime()) {
554 pm_runtime_get_sync(dev->dev);
555 pm_runtime_forbid(dev->dev);
558 nouveau_led_fini(dev);
559 nouveau_fbcon_fini(dev);
560 nouveau_accel_fini(drm);
561 nouveau_hwmon_fini(dev);
562 nouveau_debugfs_fini(drm);
564 if (dev->mode_config.num_crtc)
565 nouveau_display_fini(dev, false, false);
566 nouveau_display_destroy(dev);
568 nouveau_bios_takedown(dev);
570 nouveau_ttm_fini(drm);
571 nouveau_vga_fini(drm);
573 nouveau_cli_fini(&drm->client);
574 nouveau_cli_fini(&drm->master);
578 static int nouveau_drm_probe(struct pci_dev *pdev,
579 const struct pci_device_id *pent)
581 struct nvkm_device *device;
582 struct drm_device *drm_dev;
583 struct apertures_struct *aper;
587 if (vga_switcheroo_client_probe_defer(pdev))
588 return -EPROBE_DEFER;
590 /* We need to check that the chipset is supported before booting
591 * fbdev off the hardware, as there's no way to put it back.
593 ret = nvkm_device_pci_new(pdev, NULL, "error", true, false, 0, &device);
597 nvkm_device_del(&device);
599 /* Remove conflicting drivers (vesafb, efifb etc). */
600 aper = alloc_apertures(3);
604 aper->ranges[0].base = pci_resource_start(pdev, 1);
605 aper->ranges[0].size = pci_resource_len(pdev, 1);
608 if (pci_resource_len(pdev, 2)) {
609 aper->ranges[aper->count].base = pci_resource_start(pdev, 2);
610 aper->ranges[aper->count].size = pci_resource_len(pdev, 2);
614 if (pci_resource_len(pdev, 3)) {
615 aper->ranges[aper->count].base = pci_resource_start(pdev, 3);
616 aper->ranges[aper->count].size = pci_resource_len(pdev, 3);
621 boot = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
623 if (nouveau_modeset != 2)
624 drm_fb_helper_remove_conflicting_framebuffers(aper, "nouveaufb", boot);
627 ret = nvkm_device_pci_new(pdev, nouveau_config, nouveau_debug,
628 true, true, ~0ULL, &device);
632 pci_set_master(pdev);
635 driver_pci.driver_features |= DRIVER_ATOMIC;
637 drm_dev = drm_dev_alloc(&driver_pci, &pdev->dev);
638 if (IS_ERR(drm_dev)) {
639 ret = PTR_ERR(drm_dev);
643 ret = pci_enable_device(pdev);
647 drm_dev->pdev = pdev;
648 pci_set_drvdata(pdev, drm_dev);
650 ret = nouveau_drm_device_init(drm_dev);
654 ret = drm_dev_register(drm_dev, pent->driver_data);
656 goto fail_drm_dev_init;
661 nouveau_drm_device_fini(drm_dev);
663 pci_disable_device(pdev);
665 drm_dev_put(drm_dev);
667 nvkm_device_del(&device);
672 nouveau_drm_device_remove(struct drm_device *dev)
674 struct pci_dev *pdev = dev->pdev;
675 struct nouveau_drm *drm = nouveau_drm(dev);
676 struct nvkm_client *client;
677 struct nvkm_device *device;
679 drm_dev_unregister(dev);
681 dev->irq_enabled = false;
682 client = nvxx_client(&drm->client.base);
683 device = nvkm_device_find(client->device);
685 nouveau_drm_device_fini(dev);
686 pci_disable_device(pdev);
688 nvkm_device_del(&device);
692 nouveau_drm_remove(struct pci_dev *pdev)
694 struct drm_device *dev = pci_get_drvdata(pdev);
696 nouveau_drm_device_remove(dev);
700 nouveau_do_suspend(struct drm_device *dev, bool runtime)
702 struct nouveau_drm *drm = nouveau_drm(dev);
705 nouveau_led_suspend(dev);
707 if (dev->mode_config.num_crtc) {
708 NV_DEBUG(drm, "suspending console...\n");
709 nouveau_fbcon_set_suspend(dev, 1);
710 NV_DEBUG(drm, "suspending display...\n");
711 ret = nouveau_display_suspend(dev, runtime);
716 NV_DEBUG(drm, "evicting buffers...\n");
717 ttm_bo_evict_mm(&drm->ttm.bdev, TTM_PL_VRAM);
719 NV_DEBUG(drm, "waiting for kernel channels to go idle...\n");
721 ret = nouveau_channel_idle(drm->cechan);
727 ret = nouveau_channel_idle(drm->channel);
732 NV_DEBUG(drm, "suspending fence...\n");
733 if (drm->fence && nouveau_fence(drm)->suspend) {
734 if (!nouveau_fence(drm)->suspend(drm)) {
740 NV_DEBUG(drm, "suspending object tree...\n");
741 ret = nvif_client_suspend(&drm->master.base);
748 if (drm->fence && nouveau_fence(drm)->resume)
749 nouveau_fence(drm)->resume(drm);
752 if (dev->mode_config.num_crtc) {
753 NV_DEBUG(drm, "resuming display...\n");
754 nouveau_display_resume(dev, runtime);
760 nouveau_do_resume(struct drm_device *dev, bool runtime)
762 struct nouveau_drm *drm = nouveau_drm(dev);
764 NV_DEBUG(drm, "resuming object tree...\n");
765 nvif_client_resume(&drm->master.base);
767 NV_DEBUG(drm, "resuming fence...\n");
768 if (drm->fence && nouveau_fence(drm)->resume)
769 nouveau_fence(drm)->resume(drm);
771 nouveau_run_vbios_init(dev);
773 if (dev->mode_config.num_crtc) {
774 NV_DEBUG(drm, "resuming display...\n");
775 nouveau_display_resume(dev, runtime);
776 NV_DEBUG(drm, "resuming console...\n");
777 nouveau_fbcon_set_suspend(dev, 0);
780 nouveau_led_resume(dev);
786 nouveau_pmops_suspend(struct device *dev)
788 struct pci_dev *pdev = to_pci_dev(dev);
789 struct drm_device *drm_dev = pci_get_drvdata(pdev);
792 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF ||
793 drm_dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF)
796 ret = nouveau_do_suspend(drm_dev, false);
800 pci_save_state(pdev);
801 pci_disable_device(pdev);
802 pci_set_power_state(pdev, PCI_D3hot);
808 nouveau_pmops_resume(struct device *dev)
810 struct pci_dev *pdev = to_pci_dev(dev);
811 struct drm_device *drm_dev = pci_get_drvdata(pdev);
814 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF ||
815 drm_dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF)
818 pci_set_power_state(pdev, PCI_D0);
819 pci_restore_state(pdev);
820 ret = pci_enable_device(pdev);
823 pci_set_master(pdev);
825 ret = nouveau_do_resume(drm_dev, false);
827 /* Monitors may have been connected / disconnected during suspend */
828 schedule_work(&nouveau_drm(drm_dev)->hpd_work);
834 nouveau_pmops_freeze(struct device *dev)
836 struct pci_dev *pdev = to_pci_dev(dev);
837 struct drm_device *drm_dev = pci_get_drvdata(pdev);
838 return nouveau_do_suspend(drm_dev, false);
842 nouveau_pmops_thaw(struct device *dev)
844 struct pci_dev *pdev = to_pci_dev(dev);
845 struct drm_device *drm_dev = pci_get_drvdata(pdev);
846 return nouveau_do_resume(drm_dev, false);
850 nouveau_pmops_runtime(void)
852 if (nouveau_runtime_pm == -1)
853 return nouveau_is_optimus() || nouveau_is_v1_dsm();
854 return nouveau_runtime_pm == 1;
858 nouveau_pmops_runtime_suspend(struct device *dev)
860 struct pci_dev *pdev = to_pci_dev(dev);
861 struct drm_device *drm_dev = pci_get_drvdata(pdev);
864 if (!nouveau_pmops_runtime()) {
865 pm_runtime_forbid(dev);
869 nouveau_switcheroo_optimus_dsm();
870 ret = nouveau_do_suspend(drm_dev, true);
871 pci_save_state(pdev);
872 pci_disable_device(pdev);
873 pci_ignore_hotplug(pdev);
874 pci_set_power_state(pdev, PCI_D3cold);
875 drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
880 nouveau_pmops_runtime_resume(struct device *dev)
882 struct pci_dev *pdev = to_pci_dev(dev);
883 struct drm_device *drm_dev = pci_get_drvdata(pdev);
884 struct nvif_device *device = &nouveau_drm(drm_dev)->client.device;
887 if (!nouveau_pmops_runtime()) {
888 pm_runtime_forbid(dev);
892 pci_set_power_state(pdev, PCI_D0);
893 pci_restore_state(pdev);
894 ret = pci_enable_device(pdev);
897 pci_set_master(pdev);
899 ret = nouveau_do_resume(drm_dev, true);
902 nvif_mask(&device->object, 0x088488, (1 << 25), (1 << 25));
903 drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
905 /* Monitors may have been connected / disconnected during suspend */
906 schedule_work(&nouveau_drm(drm_dev)->hpd_work);
912 nouveau_pmops_runtime_idle(struct device *dev)
914 if (!nouveau_pmops_runtime()) {
915 pm_runtime_forbid(dev);
919 pm_runtime_mark_last_busy(dev);
920 pm_runtime_autosuspend(dev);
921 /* we don't want the main rpm_idle to call suspend - we want to autosuspend */
926 nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)
928 struct nouveau_drm *drm = nouveau_drm(dev);
929 struct nouveau_cli *cli;
930 char name[32], tmpname[TASK_COMM_LEN];
933 /* need to bring up power immediately if opening device */
934 ret = pm_runtime_get_sync(dev->dev);
935 if (ret < 0 && ret != -EACCES)
938 get_task_comm(tmpname, current);
939 snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid));
941 if (!(cli = kzalloc(sizeof(*cli), GFP_KERNEL))) {
946 ret = nouveau_cli_init(drm, name, cli);
950 cli->base.super = false;
952 fpriv->driver_priv = cli;
954 mutex_lock(&drm->client.mutex);
955 list_add(&cli->head, &drm->clients);
956 mutex_unlock(&drm->client.mutex);
960 nouveau_cli_fini(cli);
964 pm_runtime_mark_last_busy(dev->dev);
965 pm_runtime_put_autosuspend(dev->dev);
970 nouveau_drm_postclose(struct drm_device *dev, struct drm_file *fpriv)
972 struct nouveau_cli *cli = nouveau_cli(fpriv);
973 struct nouveau_drm *drm = nouveau_drm(dev);
975 pm_runtime_get_sync(dev->dev);
977 mutex_lock(&cli->mutex);
979 nouveau_abi16_fini(cli->abi16);
980 mutex_unlock(&cli->mutex);
982 mutex_lock(&drm->client.mutex);
983 list_del(&cli->head);
984 mutex_unlock(&drm->client.mutex);
986 nouveau_cli_fini(cli);
988 pm_runtime_mark_last_busy(dev->dev);
989 pm_runtime_put_autosuspend(dev->dev);
992 static const struct drm_ioctl_desc
994 DRM_IOCTL_DEF_DRV(NOUVEAU_GETPARAM, nouveau_abi16_ioctl_getparam, DRM_AUTH|DRM_RENDER_ALLOW),
995 DRM_IOCTL_DEF_DRV(NOUVEAU_SETPARAM, nouveau_abi16_ioctl_setparam, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
996 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_ALLOC, nouveau_abi16_ioctl_channel_alloc, DRM_AUTH|DRM_RENDER_ALLOW),
997 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_FREE, nouveau_abi16_ioctl_channel_free, DRM_AUTH|DRM_RENDER_ALLOW),
998 DRM_IOCTL_DEF_DRV(NOUVEAU_GROBJ_ALLOC, nouveau_abi16_ioctl_grobj_alloc, DRM_AUTH|DRM_RENDER_ALLOW),
999 DRM_IOCTL_DEF_DRV(NOUVEAU_NOTIFIEROBJ_ALLOC, nouveau_abi16_ioctl_notifierobj_alloc, DRM_AUTH|DRM_RENDER_ALLOW),
1000 DRM_IOCTL_DEF_DRV(NOUVEAU_GPUOBJ_FREE, nouveau_abi16_ioctl_gpuobj_free, DRM_AUTH|DRM_RENDER_ALLOW),
1001 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_NEW, nouveau_gem_ioctl_new, DRM_AUTH|DRM_RENDER_ALLOW),
1002 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_PUSHBUF, nouveau_gem_ioctl_pushbuf, DRM_AUTH|DRM_RENDER_ALLOW),
1003 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_PREP, nouveau_gem_ioctl_cpu_prep, DRM_AUTH|DRM_RENDER_ALLOW),
1004 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_FINI, nouveau_gem_ioctl_cpu_fini, DRM_AUTH|DRM_RENDER_ALLOW),
1005 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_INFO, nouveau_gem_ioctl_info, DRM_AUTH|DRM_RENDER_ALLOW),
1009 nouveau_drm_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
1011 struct drm_file *filp = file->private_data;
1012 struct drm_device *dev = filp->minor->dev;
1015 ret = pm_runtime_get_sync(dev->dev);
1016 if (ret < 0 && ret != -EACCES)
1019 switch (_IOC_NR(cmd) - DRM_COMMAND_BASE) {
1020 case DRM_NOUVEAU_NVIF:
1021 ret = usif_ioctl(filp, (void __user *)arg, _IOC_SIZE(cmd));
1024 ret = drm_ioctl(file, cmd, arg);
1028 pm_runtime_mark_last_busy(dev->dev);
1029 pm_runtime_put_autosuspend(dev->dev);
1033 static const struct file_operations
1034 nouveau_driver_fops = {
1035 .owner = THIS_MODULE,
1037 .release = drm_release,
1038 .unlocked_ioctl = nouveau_drm_ioctl,
1039 .mmap = nouveau_ttm_mmap,
1042 #if defined(CONFIG_COMPAT)
1043 .compat_ioctl = nouveau_compat_ioctl,
1045 .llseek = noop_llseek,
1048 static struct drm_driver
1051 DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME | DRIVER_RENDER |
1052 DRIVER_KMS_LEGACY_CONTEXT,
1054 .open = nouveau_drm_open,
1055 .postclose = nouveau_drm_postclose,
1056 .lastclose = nouveau_vga_lastclose,
1058 #if defined(CONFIG_DEBUG_FS)
1059 .debugfs_init = nouveau_drm_debugfs_init,
1062 .enable_vblank = nouveau_display_vblank_enable,
1063 .disable_vblank = nouveau_display_vblank_disable,
1064 .get_scanout_position = nouveau_display_scanoutpos,
1065 .get_vblank_timestamp = drm_calc_vbltimestamp_from_scanoutpos,
1067 .ioctls = nouveau_ioctls,
1068 .num_ioctls = ARRAY_SIZE(nouveau_ioctls),
1069 .fops = &nouveau_driver_fops,
1071 .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
1072 .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
1073 .gem_prime_export = drm_gem_prime_export,
1074 .gem_prime_import = drm_gem_prime_import,
1075 .gem_prime_pin = nouveau_gem_prime_pin,
1076 .gem_prime_res_obj = nouveau_gem_prime_res_obj,
1077 .gem_prime_unpin = nouveau_gem_prime_unpin,
1078 .gem_prime_get_sg_table = nouveau_gem_prime_get_sg_table,
1079 .gem_prime_import_sg_table = nouveau_gem_prime_import_sg_table,
1080 .gem_prime_vmap = nouveau_gem_prime_vmap,
1081 .gem_prime_vunmap = nouveau_gem_prime_vunmap,
1083 .gem_free_object_unlocked = nouveau_gem_object_del,
1084 .gem_open_object = nouveau_gem_object_open,
1085 .gem_close_object = nouveau_gem_object_close,
1087 .dumb_create = nouveau_display_dumb_create,
1088 .dumb_map_offset = nouveau_display_dumb_map_offset,
1090 .name = DRIVER_NAME,
1091 .desc = DRIVER_DESC,
1093 .date = GIT_REVISION,
1095 .date = DRIVER_DATE,
1097 .major = DRIVER_MAJOR,
1098 .minor = DRIVER_MINOR,
1099 .patchlevel = DRIVER_PATCHLEVEL,
1102 static struct pci_device_id
1103 nouveau_drm_pci_table[] = {
1105 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
1106 .class = PCI_BASE_CLASS_DISPLAY << 16,
1107 .class_mask = 0xff << 16,
1110 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS, PCI_ANY_ID),
1111 .class = PCI_BASE_CLASS_DISPLAY << 16,
1112 .class_mask = 0xff << 16,
1117 static void nouveau_display_options(void)
1119 DRM_DEBUG_DRIVER("Loading Nouveau with parameters:\n");
1121 DRM_DEBUG_DRIVER("... tv_disable : %d\n", nouveau_tv_disable);
1122 DRM_DEBUG_DRIVER("... ignorelid : %d\n", nouveau_ignorelid);
1123 DRM_DEBUG_DRIVER("... duallink : %d\n", nouveau_duallink);
1124 DRM_DEBUG_DRIVER("... nofbaccel : %d\n", nouveau_nofbaccel);
1125 DRM_DEBUG_DRIVER("... config : %s\n", nouveau_config);
1126 DRM_DEBUG_DRIVER("... debug : %s\n", nouveau_debug);
1127 DRM_DEBUG_DRIVER("... noaccel : %d\n", nouveau_noaccel);
1128 DRM_DEBUG_DRIVER("... modeset : %d\n", nouveau_modeset);
1129 DRM_DEBUG_DRIVER("... runpm : %d\n", nouveau_runtime_pm);
1130 DRM_DEBUG_DRIVER("... vram_pushbuf : %d\n", nouveau_vram_pushbuf);
1131 DRM_DEBUG_DRIVER("... hdmimhz : %d\n", nouveau_hdmimhz);
1134 static const struct dev_pm_ops nouveau_pm_ops = {
1135 .suspend = nouveau_pmops_suspend,
1136 .resume = nouveau_pmops_resume,
1137 .freeze = nouveau_pmops_freeze,
1138 .thaw = nouveau_pmops_thaw,
1139 .poweroff = nouveau_pmops_freeze,
1140 .restore = nouveau_pmops_resume,
1141 .runtime_suspend = nouveau_pmops_runtime_suspend,
1142 .runtime_resume = nouveau_pmops_runtime_resume,
1143 .runtime_idle = nouveau_pmops_runtime_idle,
1146 static struct pci_driver
1147 nouveau_drm_pci_driver = {
1149 .id_table = nouveau_drm_pci_table,
1150 .probe = nouveau_drm_probe,
1151 .remove = nouveau_drm_remove,
1152 .driver.pm = &nouveau_pm_ops,
1156 nouveau_platform_device_create(const struct nvkm_device_tegra_func *func,
1157 struct platform_device *pdev,
1158 struct nvkm_device **pdevice)
1160 struct drm_device *drm;
1163 err = nvkm_device_tegra_new(func, pdev, nouveau_config, nouveau_debug,
1164 true, true, ~0ULL, pdevice);
1168 drm = drm_dev_alloc(&driver_platform, &pdev->dev);
1174 platform_set_drvdata(pdev, drm);
1179 nvkm_device_del(pdevice);
1181 return ERR_PTR(err);
1185 nouveau_drm_init(void)
1187 driver_pci = driver_stub;
1188 driver_platform = driver_stub;
1190 nouveau_display_options();
1192 if (nouveau_modeset == -1) {
1193 if (vgacon_text_force())
1194 nouveau_modeset = 0;
1197 if (!nouveau_modeset)
1200 #ifdef CONFIG_NOUVEAU_PLATFORM_DRIVER
1201 platform_driver_register(&nouveau_platform_driver);
1204 nouveau_register_dsm_handler();
1205 nouveau_backlight_ctor();
1208 return pci_register_driver(&nouveau_drm_pci_driver);
1215 nouveau_drm_exit(void)
1217 if (!nouveau_modeset)
1221 pci_unregister_driver(&nouveau_drm_pci_driver);
1223 nouveau_backlight_dtor();
1224 nouveau_unregister_dsm_handler();
1226 #ifdef CONFIG_NOUVEAU_PLATFORM_DRIVER
1227 platform_driver_unregister(&nouveau_platform_driver);
1231 module_init(nouveau_drm_init);
1232 module_exit(nouveau_drm_exit);
1234 MODULE_DEVICE_TABLE(pci, nouveau_drm_pci_table);
1235 MODULE_AUTHOR(DRIVER_AUTHOR);
1236 MODULE_DESCRIPTION(DRIVER_DESC);
1237 MODULE_LICENSE("GPL and additional rights");