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>
48 #include "nouveau_drv.h"
49 #include "nouveau_dma.h"
50 #include "nouveau_ttm.h"
51 #include "nouveau_gem.h"
52 #include "nouveau_vga.h"
53 #include "nouveau_led.h"
54 #include "nouveau_hwmon.h"
55 #include "nouveau_acpi.h"
56 #include "nouveau_bios.h"
57 #include "nouveau_ioctl.h"
58 #include "nouveau_abi16.h"
59 #include "nouveau_fbcon.h"
60 #include "nouveau_fence.h"
61 #include "nouveau_debugfs.h"
62 #include "nouveau_usif.h"
63 #include "nouveau_connector.h"
64 #include "nouveau_platform.h"
66 MODULE_PARM_DESC(config, "option string to pass to driver core");
67 static char *nouveau_config;
68 module_param_named(config, nouveau_config, charp, 0400);
70 MODULE_PARM_DESC(debug, "debug string to pass to driver core");
71 static char *nouveau_debug;
72 module_param_named(debug, nouveau_debug, charp, 0400);
74 MODULE_PARM_DESC(noaccel, "disable kernel/abi16 acceleration");
75 static int nouveau_noaccel = 0;
76 module_param_named(noaccel, nouveau_noaccel, int, 0400);
78 MODULE_PARM_DESC(modeset, "enable driver (default: auto, "
79 "0 = disabled, 1 = enabled, 2 = headless)");
80 int nouveau_modeset = -1;
81 module_param_named(modeset, nouveau_modeset, int, 0400);
83 MODULE_PARM_DESC(atomic, "Expose atomic ioctl (default: disabled)");
84 static int nouveau_atomic = 0;
85 module_param_named(atomic, nouveau_atomic, int, 0400);
87 MODULE_PARM_DESC(runpm, "disable (0), force enable (1), optimus only default (-1)");
88 static int nouveau_runtime_pm = -1;
89 module_param_named(runpm, nouveau_runtime_pm, int, 0400);
91 static struct drm_driver driver_stub;
92 static struct drm_driver driver_pci;
93 static struct drm_driver driver_platform;
96 nouveau_pci_name(struct pci_dev *pdev)
98 u64 name = (u64)pci_domain_nr(pdev->bus) << 32;
99 name |= pdev->bus->number << 16;
100 name |= PCI_SLOT(pdev->devfn) << 8;
101 return name | PCI_FUNC(pdev->devfn);
105 nouveau_platform_name(struct platform_device *platformdev)
107 return platformdev->id;
111 nouveau_name(struct drm_device *dev)
114 return nouveau_pci_name(dev->pdev);
116 return nouveau_platform_name(to_platform_device(dev->dev));
120 nouveau_cli_work_ready(struct dma_fence *fence)
122 if (!dma_fence_is_signaled(fence))
124 dma_fence_put(fence);
129 nouveau_cli_work(struct work_struct *w)
131 struct nouveau_cli *cli = container_of(w, typeof(*cli), work);
132 struct nouveau_cli_work *work, *wtmp;
133 mutex_lock(&cli->lock);
134 list_for_each_entry_safe(work, wtmp, &cli->worker, head) {
135 if (!work->fence || nouveau_cli_work_ready(work->fence)) {
136 list_del(&work->head);
140 mutex_unlock(&cli->lock);
144 nouveau_cli_work_fence(struct dma_fence *fence, struct dma_fence_cb *cb)
146 struct nouveau_cli_work *work = container_of(cb, typeof(*work), cb);
147 schedule_work(&work->cli->work);
151 nouveau_cli_work_queue(struct nouveau_cli *cli, struct dma_fence *fence,
152 struct nouveau_cli_work *work)
154 work->fence = dma_fence_get(fence);
156 mutex_lock(&cli->lock);
157 list_add_tail(&work->head, &cli->worker);
158 if (dma_fence_add_callback(fence, &work->cb, nouveau_cli_work_fence))
159 nouveau_cli_work_fence(fence, &work->cb);
160 mutex_unlock(&cli->lock);
164 nouveau_cli_fini(struct nouveau_cli *cli)
166 /* All our channels are dead now, which means all the fences they
167 * own are signalled, and all callback functions have been called.
169 * So, after flushing the workqueue, there should be nothing left.
171 flush_work(&cli->work);
172 WARN_ON(!list_empty(&cli->worker));
174 usif_client_fini(cli);
175 nouveau_vmm_fini(&cli->vmm);
176 nvif_mmu_fini(&cli->mmu);
177 nvif_device_fini(&cli->device);
178 mutex_lock(&cli->drm->master.lock);
179 nvif_client_fini(&cli->base);
180 mutex_unlock(&cli->drm->master.lock);
184 nouveau_cli_init(struct nouveau_drm *drm, const char *sname,
185 struct nouveau_cli *cli)
187 static const struct nvif_mclass
189 { NVIF_CLASS_MEM_GF100, -1 },
190 { NVIF_CLASS_MEM_NV50 , -1 },
191 { NVIF_CLASS_MEM_NV04 , -1 },
194 static const struct nvif_mclass
196 { NVIF_CLASS_MMU_GF100, -1 },
197 { NVIF_CLASS_MMU_NV50 , -1 },
198 { NVIF_CLASS_MMU_NV04 , -1 },
201 static const struct nvif_mclass
203 { NVIF_CLASS_VMM_GP100, -1 },
204 { NVIF_CLASS_VMM_GM200, -1 },
205 { NVIF_CLASS_VMM_GF100, -1 },
206 { NVIF_CLASS_VMM_NV50 , -1 },
207 { NVIF_CLASS_VMM_NV04 , -1 },
210 u64 device = nouveau_name(drm->dev);
213 snprintf(cli->name, sizeof(cli->name), "%s", sname);
215 mutex_init(&cli->mutex);
216 usif_client_init(cli);
218 INIT_WORK(&cli->work, nouveau_cli_work);
219 INIT_LIST_HEAD(&cli->worker);
220 mutex_init(&cli->lock);
222 if (cli == &drm->master) {
223 ret = nvif_driver_init(NULL, nouveau_config, nouveau_debug,
224 cli->name, device, &cli->base);
226 mutex_lock(&drm->master.lock);
227 ret = nvif_client_init(&drm->master.base, cli->name, device,
229 mutex_unlock(&drm->master.lock);
232 NV_PRINTK(err, cli, "Client allocation failed: %d\n", ret);
236 ret = nvif_device_init(&cli->base.object, 0, NV_DEVICE,
237 &(struct nv_device_v0) {
239 }, sizeof(struct nv_device_v0),
242 NV_PRINTK(err, cli, "Device allocation failed: %d\n", ret);
246 ret = nvif_mclass(&cli->device.object, mmus);
248 NV_PRINTK(err, cli, "No supported MMU class\n");
252 ret = nvif_mmu_init(&cli->device.object, mmus[ret].oclass, &cli->mmu);
254 NV_PRINTK(err, cli, "MMU allocation failed: %d\n", ret);
258 ret = nvif_mclass(&cli->mmu.object, vmms);
260 NV_PRINTK(err, cli, "No supported VMM class\n");
264 ret = nouveau_vmm_init(cli, vmms[ret].oclass, &cli->vmm);
266 NV_PRINTK(err, cli, "VMM allocation failed: %d\n", ret);
270 ret = nvif_mclass(&cli->mmu.object, mems);
272 NV_PRINTK(err, cli, "No supported MEM class\n");
276 cli->mem = &mems[ret];
280 nouveau_cli_fini(cli);
285 nouveau_accel_fini(struct nouveau_drm *drm)
287 nouveau_channel_idle(drm->channel);
288 nvif_object_fini(&drm->ntfy);
289 nvkm_gpuobj_del(&drm->notify);
290 nvif_object_fini(&drm->nvsw);
291 nouveau_channel_del(&drm->channel);
293 nouveau_channel_idle(drm->cechan);
294 nvif_object_fini(&drm->ttm.copy);
295 nouveau_channel_del(&drm->cechan);
298 nouveau_fence(drm)->dtor(drm);
302 nouveau_accel_init(struct nouveau_drm *drm)
304 struct nvif_device *device = &drm->client.device;
305 struct nvif_sclass *sclass;
312 ret = nouveau_channels_init(drm);
316 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_VOLTA) {
317 ret = nvif_user_init(device);
322 /* initialise synchronisation routines */
323 /*XXX: this is crap, but the fence/channel stuff is a little
324 * backwards in some places. this will be fixed.
326 ret = n = nvif_object_sclass_get(&device->object, &sclass);
330 for (ret = -ENOSYS, i = 0; i < n; i++) {
331 switch (sclass[i].oclass) {
332 case NV03_CHANNEL_DMA:
333 ret = nv04_fence_create(drm);
335 case NV10_CHANNEL_DMA:
336 ret = nv10_fence_create(drm);
338 case NV17_CHANNEL_DMA:
339 case NV40_CHANNEL_DMA:
340 ret = nv17_fence_create(drm);
342 case NV50_CHANNEL_GPFIFO:
343 ret = nv50_fence_create(drm);
345 case G82_CHANNEL_GPFIFO:
346 ret = nv84_fence_create(drm);
348 case FERMI_CHANNEL_GPFIFO:
349 case KEPLER_CHANNEL_GPFIFO_A:
350 case KEPLER_CHANNEL_GPFIFO_B:
351 case MAXWELL_CHANNEL_GPFIFO_A:
352 case PASCAL_CHANNEL_GPFIFO_A:
353 case VOLTA_CHANNEL_GPFIFO_A:
354 case TURING_CHANNEL_GPFIFO_A:
355 ret = nvc0_fence_create(drm);
362 nvif_object_sclass_put(&sclass);
364 NV_ERROR(drm, "failed to initialise sync subsystem, %d\n", ret);
365 nouveau_accel_fini(drm);
369 if (device->info.family >= NV_DEVICE_INFO_V0_KEPLER) {
370 ret = nouveau_channel_new(drm, &drm->client.device,
371 nvif_fifo_runlist_ce(device), 0,
374 NV_ERROR(drm, "failed to create ce channel, %d\n", ret);
376 arg0 = nvif_fifo_runlist(device, NV_DEVICE_INFO_ENGINE_GR);
379 if (device->info.chipset >= 0xa3 &&
380 device->info.chipset != 0xaa &&
381 device->info.chipset != 0xac) {
382 ret = nouveau_channel_new(drm, &drm->client.device,
383 NvDmaFB, NvDmaTT, false,
386 NV_ERROR(drm, "failed to create ce channel, %d\n", ret);
395 ret = nouveau_channel_new(drm, &drm->client.device,
396 arg0, arg1, false, &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);
416 NV_ERROR(drm, "failed to allocate sw class, %d\n", ret);
417 nouveau_accel_fini(drm);
422 if (device->info.family < NV_DEVICE_INFO_V0_FERMI) {
423 ret = nvkm_gpuobj_new(nvxx_device(&drm->client.device), 32, 0,
424 false, NULL, &drm->notify);
426 NV_ERROR(drm, "failed to allocate notifier, %d\n", ret);
427 nouveau_accel_fini(drm);
431 ret = nvif_object_init(&drm->channel->user, NvNotify0,
433 &(struct nv_dma_v0) {
434 .target = NV_DMA_V0_TARGET_VRAM,
435 .access = NV_DMA_V0_ACCESS_RDWR,
436 .start = drm->notify->addr,
437 .limit = drm->notify->addr + 31
438 }, sizeof(struct nv_dma_v0),
441 nouveau_accel_fini(drm);
447 nouveau_bo_move_init(drm);
451 nouveau_drm_device_init(struct drm_device *dev)
453 struct nouveau_drm *drm;
456 if (!(drm = kzalloc(sizeof(*drm), GFP_KERNEL)))
458 dev->dev_private = drm;
461 ret = nouveau_cli_init(drm, "DRM-master", &drm->master);
465 ret = nouveau_cli_init(drm, "DRM", &drm->client);
469 dev->irq_enabled = true;
471 nvxx_client(&drm->client.base)->debug =
472 nvkm_dbgopt(nouveau_debug, "DRM");
474 INIT_LIST_HEAD(&drm->clients);
475 spin_lock_init(&drm->tile.lock);
477 /* workaround an odd issue on nvc1 by disabling the device's
478 * nosnoop capability. hopefully won't cause issues until a
479 * better fix is found - assuming there is one...
481 if (drm->client.device.info.chipset == 0xc1)
482 nvif_mask(&drm->client.device.object, 0x00088080, 0x00000800, 0x00000000);
484 nouveau_vga_init(drm);
486 ret = nouveau_ttm_init(drm);
490 ret = nouveau_bios_init(dev);
494 nouveau_accel_init(drm);
496 ret = nouveau_display_create(dev);
500 if (dev->mode_config.num_crtc) {
501 ret = nouveau_display_init(dev, false, false);
506 nouveau_debugfs_init(drm);
507 nouveau_hwmon_init(dev);
508 nouveau_fbcon_init(dev);
509 nouveau_led_init(dev);
511 if (nouveau_pmops_runtime()) {
512 pm_runtime_use_autosuspend(dev->dev);
513 pm_runtime_set_autosuspend_delay(dev->dev, 5000);
514 pm_runtime_set_active(dev->dev);
515 pm_runtime_allow(dev->dev);
516 pm_runtime_mark_last_busy(dev->dev);
517 pm_runtime_put(dev->dev);
523 nouveau_display_destroy(dev);
525 nouveau_accel_fini(drm);
526 nouveau_bios_takedown(dev);
528 nouveau_ttm_fini(drm);
530 nouveau_vga_fini(drm);
531 nouveau_cli_fini(&drm->client);
533 nouveau_cli_fini(&drm->master);
540 nouveau_drm_device_fini(struct drm_device *dev)
542 struct nouveau_drm *drm = nouveau_drm(dev);
544 if (nouveau_pmops_runtime()) {
545 pm_runtime_get_sync(dev->dev);
546 pm_runtime_forbid(dev->dev);
549 nouveau_led_fini(dev);
550 nouveau_fbcon_fini(dev);
551 nouveau_hwmon_fini(dev);
552 nouveau_debugfs_fini(drm);
554 if (dev->mode_config.num_crtc)
555 nouveau_display_fini(dev, false, false);
556 nouveau_display_destroy(dev);
558 nouveau_accel_fini(drm);
559 nouveau_bios_takedown(dev);
561 nouveau_ttm_fini(drm);
562 nouveau_vga_fini(drm);
564 nouveau_cli_fini(&drm->client);
565 nouveau_cli_fini(&drm->master);
569 static int nouveau_drm_probe(struct pci_dev *pdev,
570 const struct pci_device_id *pent)
572 struct nvkm_device *device;
573 struct drm_device *drm_dev;
574 struct apertures_struct *aper;
578 if (vga_switcheroo_client_probe_defer(pdev))
579 return -EPROBE_DEFER;
581 /* We need to check that the chipset is supported before booting
582 * fbdev off the hardware, as there's no way to put it back.
584 ret = nvkm_device_pci_new(pdev, NULL, "error", true, false, 0, &device);
588 nvkm_device_del(&device);
590 /* Remove conflicting drivers (vesafb, efifb etc). */
591 aper = alloc_apertures(3);
595 aper->ranges[0].base = pci_resource_start(pdev, 1);
596 aper->ranges[0].size = pci_resource_len(pdev, 1);
599 if (pci_resource_len(pdev, 2)) {
600 aper->ranges[aper->count].base = pci_resource_start(pdev, 2);
601 aper->ranges[aper->count].size = pci_resource_len(pdev, 2);
605 if (pci_resource_len(pdev, 3)) {
606 aper->ranges[aper->count].base = pci_resource_start(pdev, 3);
607 aper->ranges[aper->count].size = pci_resource_len(pdev, 3);
612 boot = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
614 if (nouveau_modeset != 2)
615 drm_fb_helper_remove_conflicting_framebuffers(aper, "nouveaufb", boot);
618 ret = nvkm_device_pci_new(pdev, nouveau_config, nouveau_debug,
619 true, true, ~0ULL, &device);
623 pci_set_master(pdev);
626 driver_pci.driver_features |= DRIVER_ATOMIC;
628 drm_dev = drm_dev_alloc(&driver_pci, &pdev->dev);
629 if (IS_ERR(drm_dev)) {
630 ret = PTR_ERR(drm_dev);
634 ret = pci_enable_device(pdev);
638 drm_dev->pdev = pdev;
639 pci_set_drvdata(pdev, drm_dev);
641 ret = nouveau_drm_device_init(drm_dev);
645 ret = drm_dev_register(drm_dev, pent->driver_data);
647 goto fail_drm_dev_init;
652 nouveau_drm_device_fini(drm_dev);
654 pci_disable_device(pdev);
656 drm_dev_put(drm_dev);
658 nvkm_device_del(&device);
663 nouveau_drm_device_remove(struct drm_device *dev)
665 struct pci_dev *pdev = dev->pdev;
666 struct nouveau_drm *drm = nouveau_drm(dev);
667 struct nvkm_client *client;
668 struct nvkm_device *device;
670 drm_dev_unregister(dev);
672 dev->irq_enabled = false;
673 client = nvxx_client(&drm->client.base);
674 device = nvkm_device_find(client->device);
676 nouveau_drm_device_fini(dev);
677 pci_disable_device(pdev);
679 nvkm_device_del(&device);
683 nouveau_drm_remove(struct pci_dev *pdev)
685 struct drm_device *dev = pci_get_drvdata(pdev);
687 nouveau_drm_device_remove(dev);
691 nouveau_do_suspend(struct drm_device *dev, bool runtime)
693 struct nouveau_drm *drm = nouveau_drm(dev);
696 nouveau_led_suspend(dev);
698 if (dev->mode_config.num_crtc) {
699 NV_DEBUG(drm, "suspending console...\n");
700 nouveau_fbcon_set_suspend(dev, 1);
701 NV_DEBUG(drm, "suspending display...\n");
702 ret = nouveau_display_suspend(dev, runtime);
707 NV_DEBUG(drm, "evicting buffers...\n");
708 ttm_bo_evict_mm(&drm->ttm.bdev, TTM_PL_VRAM);
710 NV_DEBUG(drm, "waiting for kernel channels to go idle...\n");
712 ret = nouveau_channel_idle(drm->cechan);
718 ret = nouveau_channel_idle(drm->channel);
723 NV_DEBUG(drm, "suspending fence...\n");
724 if (drm->fence && nouveau_fence(drm)->suspend) {
725 if (!nouveau_fence(drm)->suspend(drm)) {
731 NV_DEBUG(drm, "suspending object tree...\n");
732 ret = nvif_client_suspend(&drm->master.base);
739 if (drm->fence && nouveau_fence(drm)->resume)
740 nouveau_fence(drm)->resume(drm);
743 if (dev->mode_config.num_crtc) {
744 NV_DEBUG(drm, "resuming display...\n");
745 nouveau_display_resume(dev, runtime);
751 nouveau_do_resume(struct drm_device *dev, bool runtime)
753 struct nouveau_drm *drm = nouveau_drm(dev);
755 NV_DEBUG(drm, "resuming object tree...\n");
756 nvif_client_resume(&drm->master.base);
758 NV_DEBUG(drm, "resuming fence...\n");
759 if (drm->fence && nouveau_fence(drm)->resume)
760 nouveau_fence(drm)->resume(drm);
762 nouveau_run_vbios_init(dev);
764 if (dev->mode_config.num_crtc) {
765 NV_DEBUG(drm, "resuming display...\n");
766 nouveau_display_resume(dev, runtime);
767 NV_DEBUG(drm, "resuming console...\n");
768 nouveau_fbcon_set_suspend(dev, 0);
771 nouveau_led_resume(dev);
777 nouveau_pmops_suspend(struct device *dev)
779 struct pci_dev *pdev = to_pci_dev(dev);
780 struct drm_device *drm_dev = pci_get_drvdata(pdev);
783 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF ||
784 drm_dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF)
787 ret = nouveau_do_suspend(drm_dev, false);
791 pci_save_state(pdev);
792 pci_disable_device(pdev);
793 pci_set_power_state(pdev, PCI_D3hot);
799 nouveau_pmops_resume(struct device *dev)
801 struct pci_dev *pdev = to_pci_dev(dev);
802 struct drm_device *drm_dev = pci_get_drvdata(pdev);
805 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF ||
806 drm_dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF)
809 pci_set_power_state(pdev, PCI_D0);
810 pci_restore_state(pdev);
811 ret = pci_enable_device(pdev);
814 pci_set_master(pdev);
816 ret = nouveau_do_resume(drm_dev, false);
818 /* Monitors may have been connected / disconnected during suspend */
819 schedule_work(&nouveau_drm(drm_dev)->hpd_work);
825 nouveau_pmops_freeze(struct device *dev)
827 struct pci_dev *pdev = to_pci_dev(dev);
828 struct drm_device *drm_dev = pci_get_drvdata(pdev);
829 return nouveau_do_suspend(drm_dev, false);
833 nouveau_pmops_thaw(struct device *dev)
835 struct pci_dev *pdev = to_pci_dev(dev);
836 struct drm_device *drm_dev = pci_get_drvdata(pdev);
837 return nouveau_do_resume(drm_dev, false);
841 nouveau_pmops_runtime(void)
843 if (nouveau_runtime_pm == -1)
844 return nouveau_is_optimus() || nouveau_is_v1_dsm();
845 return nouveau_runtime_pm == 1;
849 nouveau_pmops_runtime_suspend(struct device *dev)
851 struct pci_dev *pdev = to_pci_dev(dev);
852 struct drm_device *drm_dev = pci_get_drvdata(pdev);
855 if (!nouveau_pmops_runtime()) {
856 pm_runtime_forbid(dev);
860 nouveau_switcheroo_optimus_dsm();
861 ret = nouveau_do_suspend(drm_dev, true);
862 pci_save_state(pdev);
863 pci_disable_device(pdev);
864 pci_ignore_hotplug(pdev);
865 pci_set_power_state(pdev, PCI_D3cold);
866 drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
871 nouveau_pmops_runtime_resume(struct device *dev)
873 struct pci_dev *pdev = to_pci_dev(dev);
874 struct drm_device *drm_dev = pci_get_drvdata(pdev);
875 struct nvif_device *device = &nouveau_drm(drm_dev)->client.device;
878 if (!nouveau_pmops_runtime()) {
879 pm_runtime_forbid(dev);
883 pci_set_power_state(pdev, PCI_D0);
884 pci_restore_state(pdev);
885 ret = pci_enable_device(pdev);
888 pci_set_master(pdev);
890 ret = nouveau_do_resume(drm_dev, true);
893 nvif_mask(&device->object, 0x088488, (1 << 25), (1 << 25));
894 drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
896 /* Monitors may have been connected / disconnected during suspend */
897 schedule_work(&nouveau_drm(drm_dev)->hpd_work);
903 nouveau_pmops_runtime_idle(struct device *dev)
905 if (!nouveau_pmops_runtime()) {
906 pm_runtime_forbid(dev);
910 pm_runtime_mark_last_busy(dev);
911 pm_runtime_autosuspend(dev);
912 /* we don't want the main rpm_idle to call suspend - we want to autosuspend */
917 nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)
919 struct nouveau_drm *drm = nouveau_drm(dev);
920 struct nouveau_cli *cli;
921 char name[32], tmpname[TASK_COMM_LEN];
924 /* need to bring up power immediately if opening device */
925 ret = pm_runtime_get_sync(dev->dev);
926 if (ret < 0 && ret != -EACCES)
929 get_task_comm(tmpname, current);
930 snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid));
932 if (!(cli = kzalloc(sizeof(*cli), GFP_KERNEL))) {
937 ret = nouveau_cli_init(drm, name, cli);
941 cli->base.super = false;
943 fpriv->driver_priv = cli;
945 mutex_lock(&drm->client.mutex);
946 list_add(&cli->head, &drm->clients);
947 mutex_unlock(&drm->client.mutex);
951 nouveau_cli_fini(cli);
955 pm_runtime_mark_last_busy(dev->dev);
956 pm_runtime_put_autosuspend(dev->dev);
961 nouveau_drm_postclose(struct drm_device *dev, struct drm_file *fpriv)
963 struct nouveau_cli *cli = nouveau_cli(fpriv);
964 struct nouveau_drm *drm = nouveau_drm(dev);
966 pm_runtime_get_sync(dev->dev);
968 mutex_lock(&cli->mutex);
970 nouveau_abi16_fini(cli->abi16);
971 mutex_unlock(&cli->mutex);
973 mutex_lock(&drm->client.mutex);
974 list_del(&cli->head);
975 mutex_unlock(&drm->client.mutex);
977 nouveau_cli_fini(cli);
979 pm_runtime_mark_last_busy(dev->dev);
980 pm_runtime_put_autosuspend(dev->dev);
983 static const struct drm_ioctl_desc
985 DRM_IOCTL_DEF_DRV(NOUVEAU_GETPARAM, nouveau_abi16_ioctl_getparam, DRM_AUTH|DRM_RENDER_ALLOW),
986 DRM_IOCTL_DEF_DRV(NOUVEAU_SETPARAM, nouveau_abi16_ioctl_setparam, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
987 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_ALLOC, nouveau_abi16_ioctl_channel_alloc, DRM_AUTH|DRM_RENDER_ALLOW),
988 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_FREE, nouveau_abi16_ioctl_channel_free, DRM_AUTH|DRM_RENDER_ALLOW),
989 DRM_IOCTL_DEF_DRV(NOUVEAU_GROBJ_ALLOC, nouveau_abi16_ioctl_grobj_alloc, DRM_AUTH|DRM_RENDER_ALLOW),
990 DRM_IOCTL_DEF_DRV(NOUVEAU_NOTIFIEROBJ_ALLOC, nouveau_abi16_ioctl_notifierobj_alloc, DRM_AUTH|DRM_RENDER_ALLOW),
991 DRM_IOCTL_DEF_DRV(NOUVEAU_GPUOBJ_FREE, nouveau_abi16_ioctl_gpuobj_free, DRM_AUTH|DRM_RENDER_ALLOW),
992 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_NEW, nouveau_gem_ioctl_new, DRM_AUTH|DRM_RENDER_ALLOW),
993 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_PUSHBUF, nouveau_gem_ioctl_pushbuf, DRM_AUTH|DRM_RENDER_ALLOW),
994 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_PREP, nouveau_gem_ioctl_cpu_prep, DRM_AUTH|DRM_RENDER_ALLOW),
995 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_FINI, nouveau_gem_ioctl_cpu_fini, DRM_AUTH|DRM_RENDER_ALLOW),
996 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_INFO, nouveau_gem_ioctl_info, DRM_AUTH|DRM_RENDER_ALLOW),
1000 nouveau_drm_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
1002 struct drm_file *filp = file->private_data;
1003 struct drm_device *dev = filp->minor->dev;
1006 ret = pm_runtime_get_sync(dev->dev);
1007 if (ret < 0 && ret != -EACCES)
1010 switch (_IOC_NR(cmd) - DRM_COMMAND_BASE) {
1011 case DRM_NOUVEAU_NVIF:
1012 ret = usif_ioctl(filp, (void __user *)arg, _IOC_SIZE(cmd));
1015 ret = drm_ioctl(file, cmd, arg);
1019 pm_runtime_mark_last_busy(dev->dev);
1020 pm_runtime_put_autosuspend(dev->dev);
1024 static const struct file_operations
1025 nouveau_driver_fops = {
1026 .owner = THIS_MODULE,
1028 .release = drm_release,
1029 .unlocked_ioctl = nouveau_drm_ioctl,
1030 .mmap = nouveau_ttm_mmap,
1033 #if defined(CONFIG_COMPAT)
1034 .compat_ioctl = nouveau_compat_ioctl,
1036 .llseek = noop_llseek,
1039 static struct drm_driver
1042 DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME | DRIVER_RENDER |
1043 DRIVER_KMS_LEGACY_CONTEXT,
1045 .open = nouveau_drm_open,
1046 .postclose = nouveau_drm_postclose,
1047 .lastclose = nouveau_vga_lastclose,
1049 #if defined(CONFIG_DEBUG_FS)
1050 .debugfs_init = nouveau_drm_debugfs_init,
1053 .enable_vblank = nouveau_display_vblank_enable,
1054 .disable_vblank = nouveau_display_vblank_disable,
1055 .get_scanout_position = nouveau_display_scanoutpos,
1056 .get_vblank_timestamp = drm_calc_vbltimestamp_from_scanoutpos,
1058 .ioctls = nouveau_ioctls,
1059 .num_ioctls = ARRAY_SIZE(nouveau_ioctls),
1060 .fops = &nouveau_driver_fops,
1062 .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
1063 .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
1064 .gem_prime_export = drm_gem_prime_export,
1065 .gem_prime_import = drm_gem_prime_import,
1066 .gem_prime_pin = nouveau_gem_prime_pin,
1067 .gem_prime_res_obj = nouveau_gem_prime_res_obj,
1068 .gem_prime_unpin = nouveau_gem_prime_unpin,
1069 .gem_prime_get_sg_table = nouveau_gem_prime_get_sg_table,
1070 .gem_prime_import_sg_table = nouveau_gem_prime_import_sg_table,
1071 .gem_prime_vmap = nouveau_gem_prime_vmap,
1072 .gem_prime_vunmap = nouveau_gem_prime_vunmap,
1074 .gem_free_object_unlocked = nouveau_gem_object_del,
1075 .gem_open_object = nouveau_gem_object_open,
1076 .gem_close_object = nouveau_gem_object_close,
1078 .dumb_create = nouveau_display_dumb_create,
1079 .dumb_map_offset = nouveau_display_dumb_map_offset,
1081 .name = DRIVER_NAME,
1082 .desc = DRIVER_DESC,
1084 .date = GIT_REVISION,
1086 .date = DRIVER_DATE,
1088 .major = DRIVER_MAJOR,
1089 .minor = DRIVER_MINOR,
1090 .patchlevel = DRIVER_PATCHLEVEL,
1093 static struct pci_device_id
1094 nouveau_drm_pci_table[] = {
1096 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
1097 .class = PCI_BASE_CLASS_DISPLAY << 16,
1098 .class_mask = 0xff << 16,
1101 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS, PCI_ANY_ID),
1102 .class = PCI_BASE_CLASS_DISPLAY << 16,
1103 .class_mask = 0xff << 16,
1108 static void nouveau_display_options(void)
1110 DRM_DEBUG_DRIVER("Loading Nouveau with parameters:\n");
1112 DRM_DEBUG_DRIVER("... tv_disable : %d\n", nouveau_tv_disable);
1113 DRM_DEBUG_DRIVER("... ignorelid : %d\n", nouveau_ignorelid);
1114 DRM_DEBUG_DRIVER("... duallink : %d\n", nouveau_duallink);
1115 DRM_DEBUG_DRIVER("... nofbaccel : %d\n", nouveau_nofbaccel);
1116 DRM_DEBUG_DRIVER("... config : %s\n", nouveau_config);
1117 DRM_DEBUG_DRIVER("... debug : %s\n", nouveau_debug);
1118 DRM_DEBUG_DRIVER("... noaccel : %d\n", nouveau_noaccel);
1119 DRM_DEBUG_DRIVER("... modeset : %d\n", nouveau_modeset);
1120 DRM_DEBUG_DRIVER("... runpm : %d\n", nouveau_runtime_pm);
1121 DRM_DEBUG_DRIVER("... vram_pushbuf : %d\n", nouveau_vram_pushbuf);
1122 DRM_DEBUG_DRIVER("... hdmimhz : %d\n", nouveau_hdmimhz);
1125 static const struct dev_pm_ops nouveau_pm_ops = {
1126 .suspend = nouveau_pmops_suspend,
1127 .resume = nouveau_pmops_resume,
1128 .freeze = nouveau_pmops_freeze,
1129 .thaw = nouveau_pmops_thaw,
1130 .poweroff = nouveau_pmops_freeze,
1131 .restore = nouveau_pmops_resume,
1132 .runtime_suspend = nouveau_pmops_runtime_suspend,
1133 .runtime_resume = nouveau_pmops_runtime_resume,
1134 .runtime_idle = nouveau_pmops_runtime_idle,
1137 static struct pci_driver
1138 nouveau_drm_pci_driver = {
1140 .id_table = nouveau_drm_pci_table,
1141 .probe = nouveau_drm_probe,
1142 .remove = nouveau_drm_remove,
1143 .driver.pm = &nouveau_pm_ops,
1147 nouveau_platform_device_create(const struct nvkm_device_tegra_func *func,
1148 struct platform_device *pdev,
1149 struct nvkm_device **pdevice)
1151 struct drm_device *drm;
1154 err = nvkm_device_tegra_new(func, pdev, nouveau_config, nouveau_debug,
1155 true, true, ~0ULL, pdevice);
1159 drm = drm_dev_alloc(&driver_platform, &pdev->dev);
1165 err = nouveau_drm_device_init(drm);
1169 platform_set_drvdata(pdev, drm);
1176 nvkm_device_del(pdevice);
1178 return ERR_PTR(err);
1182 nouveau_drm_init(void)
1184 driver_pci = driver_stub;
1185 driver_platform = driver_stub;
1187 nouveau_display_options();
1189 if (nouveau_modeset == -1) {
1190 if (vgacon_text_force())
1191 nouveau_modeset = 0;
1194 if (!nouveau_modeset)
1197 #ifdef CONFIG_NOUVEAU_PLATFORM_DRIVER
1198 platform_driver_register(&nouveau_platform_driver);
1201 nouveau_register_dsm_handler();
1202 nouveau_backlight_ctor();
1205 return pci_register_driver(&nouveau_drm_pci_driver);
1212 nouveau_drm_exit(void)
1214 if (!nouveau_modeset)
1218 pci_unregister_driver(&nouveau_drm_pci_driver);
1220 nouveau_backlight_dtor();
1221 nouveau_unregister_dsm_handler();
1223 #ifdef CONFIG_NOUVEAU_PLATFORM_DRIVER
1224 platform_driver_unregister(&nouveau_platform_driver);
1228 module_init(nouveau_drm_init);
1229 module_exit(nouveau_drm_exit);
1231 MODULE_DEVICE_TABLE(pci, nouveau_drm_pci_table);
1232 MODULE_AUTHOR(DRIVER_AUTHOR);
1233 MODULE_DESCRIPTION(DRIVER_DESC);
1234 MODULE_LICENSE("GPL and additional rights");