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>
42 #include <nvif/class.h>
43 #include <nvif/cl0002.h>
44 #include <nvif/cla06f.h>
45 #include <nvif/if0004.h>
47 #include "nouveau_drv.h"
48 #include "nouveau_dma.h"
49 #include "nouveau_ttm.h"
50 #include "nouveau_gem.h"
51 #include "nouveau_vga.h"
52 #include "nouveau_led.h"
53 #include "nouveau_hwmon.h"
54 #include "nouveau_acpi.h"
55 #include "nouveau_bios.h"
56 #include "nouveau_ioctl.h"
57 #include "nouveau_abi16.h"
58 #include "nouveau_fbcon.h"
59 #include "nouveau_fence.h"
60 #include "nouveau_debugfs.h"
61 #include "nouveau_usif.h"
62 #include "nouveau_connector.h"
63 #include "nouveau_platform.h"
65 MODULE_PARM_DESC(config, "option string to pass to driver core");
66 static char *nouveau_config;
67 module_param_named(config, nouveau_config, charp, 0400);
69 MODULE_PARM_DESC(debug, "debug string to pass to driver core");
70 static char *nouveau_debug;
71 module_param_named(debug, nouveau_debug, charp, 0400);
73 MODULE_PARM_DESC(noaccel, "disable kernel/abi16 acceleration");
74 static int nouveau_noaccel = 0;
75 module_param_named(noaccel, nouveau_noaccel, int, 0400);
77 MODULE_PARM_DESC(modeset, "enable driver (default: auto, "
78 "0 = disabled, 1 = enabled, 2 = headless)");
79 int nouveau_modeset = -1;
80 module_param_named(modeset, nouveau_modeset, int, 0400);
82 MODULE_PARM_DESC(runpm, "disable (0), force enable (1), optimus only default (-1)");
83 static int nouveau_runtime_pm = -1;
84 module_param_named(runpm, nouveau_runtime_pm, int, 0400);
86 static struct drm_driver driver_stub;
87 static struct drm_driver driver_pci;
88 static struct drm_driver driver_platform;
91 nouveau_pci_name(struct pci_dev *pdev)
93 u64 name = (u64)pci_domain_nr(pdev->bus) << 32;
94 name |= pdev->bus->number << 16;
95 name |= PCI_SLOT(pdev->devfn) << 8;
96 return name | PCI_FUNC(pdev->devfn);
100 nouveau_platform_name(struct platform_device *platformdev)
102 return platformdev->id;
106 nouveau_name(struct drm_device *dev)
109 return nouveau_pci_name(dev->pdev);
111 return nouveau_platform_name(to_platform_device(dev->dev));
115 nouveau_cli_work_ready(struct dma_fence *fence, bool wait)
117 if (!dma_fence_is_signaled(fence)) {
120 WARN_ON(dma_fence_wait_timeout(fence, false, 2 * HZ) <= 0);
122 dma_fence_put(fence);
127 nouveau_cli_work_flush(struct nouveau_cli *cli, bool wait)
129 struct nouveau_cli_work *work, *wtmp;
130 mutex_lock(&cli->lock);
131 list_for_each_entry_safe(work, wtmp, &cli->worker, head) {
132 if (!work->fence || nouveau_cli_work_ready(work->fence, wait)) {
133 list_del(&work->head);
137 mutex_unlock(&cli->lock);
141 nouveau_cli_work_fence(struct dma_fence *fence, struct dma_fence_cb *cb)
143 struct nouveau_cli_work *work = container_of(cb, typeof(*work), cb);
144 schedule_work(&work->cli->work);
148 nouveau_cli_work_queue(struct nouveau_cli *cli, struct dma_fence *fence,
149 struct nouveau_cli_work *work)
151 work->fence = dma_fence_get(fence);
153 mutex_lock(&cli->lock);
154 list_add_tail(&work->head, &cli->worker);
155 mutex_unlock(&cli->lock);
156 if (dma_fence_add_callback(fence, &work->cb, nouveau_cli_work_fence))
157 nouveau_cli_work_fence(fence, &work->cb);
161 nouveau_cli_work(struct work_struct *w)
163 struct nouveau_cli *cli = container_of(w, typeof(*cli), work);
164 nouveau_cli_work_flush(cli, false);
168 nouveau_cli_fini(struct nouveau_cli *cli)
170 nouveau_cli_work_flush(cli, true);
171 usif_client_fini(cli);
172 nouveau_vmm_fini(&cli->vmm);
173 nvif_mmu_fini(&cli->mmu);
174 nvif_device_fini(&cli->device);
175 mutex_lock(&cli->drm->master.lock);
176 nvif_client_fini(&cli->base);
177 mutex_unlock(&cli->drm->master.lock);
181 nouveau_cli_init(struct nouveau_drm *drm, const char *sname,
182 struct nouveau_cli *cli)
184 static const struct nvif_mclass
186 { NVIF_CLASS_MEM_GF100, -1 },
187 { NVIF_CLASS_MEM_NV50 , -1 },
188 { NVIF_CLASS_MEM_NV04 , -1 },
191 static const struct nvif_mclass
193 { NVIF_CLASS_MMU_GF100, -1 },
194 { NVIF_CLASS_MMU_NV50 , -1 },
195 { NVIF_CLASS_MMU_NV04 , -1 },
198 static const struct nvif_mclass
200 { NVIF_CLASS_VMM_GP100, -1 },
201 { NVIF_CLASS_VMM_GM200, -1 },
202 { NVIF_CLASS_VMM_GF100, -1 },
203 { NVIF_CLASS_VMM_NV50 , -1 },
204 { NVIF_CLASS_VMM_NV04 , -1 },
207 u64 device = nouveau_name(drm->dev);
210 snprintf(cli->name, sizeof(cli->name), "%s", sname);
212 mutex_init(&cli->mutex);
213 usif_client_init(cli);
215 INIT_WORK(&cli->work, nouveau_cli_work);
216 INIT_LIST_HEAD(&cli->worker);
217 mutex_init(&cli->lock);
219 if (cli == &drm->master) {
220 ret = nvif_driver_init(NULL, nouveau_config, nouveau_debug,
221 cli->name, device, &cli->base);
223 mutex_lock(&drm->master.lock);
224 ret = nvif_client_init(&drm->master.base, cli->name, device,
226 mutex_unlock(&drm->master.lock);
229 NV_ERROR(drm, "Client allocation failed: %d\n", ret);
233 ret = nvif_device_init(&cli->base.object, 0, NV_DEVICE,
234 &(struct nv_device_v0) {
236 }, sizeof(struct nv_device_v0),
239 NV_ERROR(drm, "Device allocation failed: %d\n", ret);
243 ret = nvif_mclass(&cli->device.object, mmus);
245 NV_ERROR(drm, "No supported MMU class\n");
249 ret = nvif_mmu_init(&cli->device.object, mmus[ret].oclass, &cli->mmu);
251 NV_ERROR(drm, "MMU allocation failed: %d\n", ret);
255 ret = nvif_mclass(&cli->mmu.object, vmms);
257 NV_ERROR(drm, "No supported VMM class\n");
261 ret = nouveau_vmm_init(cli, vmms[ret].oclass, &cli->vmm);
263 NV_ERROR(drm, "VMM allocation failed: %d\n", ret);
267 ret = nvif_mclass(&cli->mmu.object, mems);
269 NV_ERROR(drm, "No supported MEM class\n");
273 cli->mem = &mems[ret];
277 nouveau_cli_fini(cli);
282 nouveau_accel_fini(struct nouveau_drm *drm)
284 nouveau_channel_idle(drm->channel);
285 nvif_object_fini(&drm->ntfy);
286 nvkm_gpuobj_del(&drm->notify);
287 nvif_notify_fini(&drm->flip);
288 nvif_object_fini(&drm->nvsw);
289 nouveau_channel_del(&drm->channel);
291 nouveau_channel_idle(drm->cechan);
292 nvif_object_fini(&drm->ttm.copy);
293 nouveau_channel_del(&drm->cechan);
296 nouveau_fence(drm)->dtor(drm);
300 nouveau_accel_init(struct nouveau_drm *drm)
302 struct nvif_device *device = &drm->client.device;
303 struct nvif_sclass *sclass;
310 /* initialise synchronisation routines */
311 /*XXX: this is crap, but the fence/channel stuff is a little
312 * backwards in some places. this will be fixed.
314 ret = n = nvif_object_sclass_get(&device->object, &sclass);
318 for (ret = -ENOSYS, i = 0; i < n; i++) {
319 switch (sclass[i].oclass) {
320 case NV03_CHANNEL_DMA:
321 ret = nv04_fence_create(drm);
323 case NV10_CHANNEL_DMA:
324 ret = nv10_fence_create(drm);
326 case NV17_CHANNEL_DMA:
327 case NV40_CHANNEL_DMA:
328 ret = nv17_fence_create(drm);
330 case NV50_CHANNEL_GPFIFO:
331 ret = nv50_fence_create(drm);
333 case G82_CHANNEL_GPFIFO:
334 ret = nv84_fence_create(drm);
336 case FERMI_CHANNEL_GPFIFO:
337 case KEPLER_CHANNEL_GPFIFO_A:
338 case KEPLER_CHANNEL_GPFIFO_B:
339 case MAXWELL_CHANNEL_GPFIFO_A:
340 case PASCAL_CHANNEL_GPFIFO_A:
341 ret = nvc0_fence_create(drm);
348 nvif_object_sclass_put(&sclass);
350 NV_ERROR(drm, "failed to initialise sync subsystem, %d\n", ret);
351 nouveau_accel_fini(drm);
355 if (device->info.family >= NV_DEVICE_INFO_V0_KEPLER) {
356 ret = nouveau_channel_new(drm, &drm->client.device,
357 NVA06F_V0_ENGINE_CE0 |
358 NVA06F_V0_ENGINE_CE1,
361 NV_ERROR(drm, "failed to create ce channel, %d\n", ret);
363 arg0 = NVA06F_V0_ENGINE_GR;
366 if (device->info.chipset >= 0xa3 &&
367 device->info.chipset != 0xaa &&
368 device->info.chipset != 0xac) {
369 ret = nouveau_channel_new(drm, &drm->client.device,
370 NvDmaFB, NvDmaTT, &drm->cechan);
372 NV_ERROR(drm, "failed to create ce channel, %d\n", ret);
381 ret = nouveau_channel_new(drm, &drm->client.device,
382 arg0, arg1, &drm->channel);
384 NV_ERROR(drm, "failed to create kernel channel, %d\n", ret);
385 nouveau_accel_fini(drm);
389 ret = nvif_object_init(&drm->channel->user, NVDRM_NVSW,
390 nouveau_abi16_swclass(drm), NULL, 0, &drm->nvsw);
392 ret = RING_SPACE(drm->channel, 2);
394 if (device->info.family < NV_DEVICE_INFO_V0_FERMI) {
395 BEGIN_NV04(drm->channel, NvSubSw, 0, 1);
396 OUT_RING (drm->channel, NVDRM_NVSW);
398 if (device->info.family < NV_DEVICE_INFO_V0_KEPLER) {
399 BEGIN_NVC0(drm->channel, FermiSw, 0, 1);
400 OUT_RING (drm->channel, 0x001f0000);
404 ret = nvif_notify_init(&drm->nvsw, nouveau_flip_complete,
405 false, NV04_NVSW_NTFY_UEVENT,
406 NULL, 0, 0, &drm->flip);
408 ret = nvif_notify_get(&drm->flip);
410 nouveau_accel_fini(drm);
416 NV_ERROR(drm, "failed to allocate software object, %d\n", ret);
417 nouveau_accel_fini(drm);
421 if (device->info.family < NV_DEVICE_INFO_V0_FERMI) {
422 ret = nvkm_gpuobj_new(nvxx_device(&drm->client.device), 32, 0,
423 false, NULL, &drm->notify);
425 NV_ERROR(drm, "failed to allocate notifier, %d\n", ret);
426 nouveau_accel_fini(drm);
430 ret = nvif_object_init(&drm->channel->user, NvNotify0,
432 &(struct nv_dma_v0) {
433 .target = NV_DMA_V0_TARGET_VRAM,
434 .access = NV_DMA_V0_ACCESS_RDWR,
435 .start = drm->notify->addr,
436 .limit = drm->notify->addr + 31
437 }, sizeof(struct nv_dma_v0),
440 nouveau_accel_fini(drm);
446 nouveau_bo_move_init(drm);
449 static int nouveau_drm_probe(struct pci_dev *pdev,
450 const struct pci_device_id *pent)
452 struct nvkm_device *device;
453 struct apertures_struct *aper;
457 if (vga_switcheroo_client_probe_defer(pdev))
458 return -EPROBE_DEFER;
460 /* We need to check that the chipset is supported before booting
461 * fbdev off the hardware, as there's no way to put it back.
463 ret = nvkm_device_pci_new(pdev, NULL, "error", true, false, 0, &device);
467 nvkm_device_del(&device);
469 /* Remove conflicting drivers (vesafb, efifb etc). */
470 aper = alloc_apertures(3);
474 aper->ranges[0].base = pci_resource_start(pdev, 1);
475 aper->ranges[0].size = pci_resource_len(pdev, 1);
478 if (pci_resource_len(pdev, 2)) {
479 aper->ranges[aper->count].base = pci_resource_start(pdev, 2);
480 aper->ranges[aper->count].size = pci_resource_len(pdev, 2);
484 if (pci_resource_len(pdev, 3)) {
485 aper->ranges[aper->count].base = pci_resource_start(pdev, 3);
486 aper->ranges[aper->count].size = pci_resource_len(pdev, 3);
491 boot = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
493 if (nouveau_modeset != 2)
494 drm_fb_helper_remove_conflicting_framebuffers(aper, "nouveaufb", boot);
497 ret = nvkm_device_pci_new(pdev, nouveau_config, nouveau_debug,
498 true, true, ~0ULL, &device);
502 pci_set_master(pdev);
504 ret = drm_get_pci_dev(pdev, pent, &driver_pci);
506 nvkm_device_del(&device);
513 #define PCI_CLASS_MULTIMEDIA_HD_AUDIO 0x0403
516 nouveau_get_hdmi_dev(struct nouveau_drm *drm)
518 struct pci_dev *pdev = drm->dev->pdev;
521 NV_DEBUG(drm, "not a PCI device; no HDMI\n");
522 drm->hdmi_device = NULL;
526 /* subfunction one is a hdmi audio device? */
527 drm->hdmi_device = pci_get_bus_and_slot((unsigned int)pdev->bus->number,
528 PCI_DEVFN(PCI_SLOT(pdev->devfn), 1));
530 if (!drm->hdmi_device) {
531 NV_DEBUG(drm, "hdmi device not found %d %d %d\n", pdev->bus->number, PCI_SLOT(pdev->devfn), 1);
535 if ((drm->hdmi_device->class >> 8) != PCI_CLASS_MULTIMEDIA_HD_AUDIO) {
536 NV_DEBUG(drm, "possible hdmi device not audio %d\n", drm->hdmi_device->class);
537 pci_dev_put(drm->hdmi_device);
538 drm->hdmi_device = NULL;
544 nouveau_drm_load(struct drm_device *dev, unsigned long flags)
546 struct nouveau_drm *drm;
549 if (!(drm = kzalloc(sizeof(*drm), GFP_KERNEL)))
551 dev->dev_private = drm;
554 ret = nouveau_cli_init(drm, "DRM-master", &drm->master);
558 ret = nouveau_cli_init(drm, "DRM", &drm->client);
562 dev->irq_enabled = true;
564 nvxx_client(&drm->client.base)->debug =
565 nvkm_dbgopt(nouveau_debug, "DRM");
567 INIT_LIST_HEAD(&drm->clients);
568 spin_lock_init(&drm->tile.lock);
570 nouveau_get_hdmi_dev(drm);
572 /* workaround an odd issue on nvc1 by disabling the device's
573 * nosnoop capability. hopefully won't cause issues until a
574 * better fix is found - assuming there is one...
576 if (drm->client.device.info.chipset == 0xc1)
577 nvif_mask(&drm->client.device.object, 0x00088080, 0x00000800, 0x00000000);
579 nouveau_vga_init(drm);
581 ret = nouveau_ttm_init(drm);
585 ret = nouveau_bios_init(dev);
589 ret = nouveau_display_create(dev);
593 if (dev->mode_config.num_crtc) {
594 ret = nouveau_display_init(dev);
599 nouveau_debugfs_init(drm);
600 nouveau_hwmon_init(dev);
601 nouveau_accel_init(drm);
602 nouveau_fbcon_init(dev);
603 nouveau_led_init(dev);
605 if (nouveau_pmops_runtime()) {
606 pm_runtime_use_autosuspend(dev->dev);
607 pm_runtime_set_autosuspend_delay(dev->dev, 5000);
608 pm_runtime_set_active(dev->dev);
609 pm_runtime_allow(dev->dev);
610 pm_runtime_mark_last_busy(dev->dev);
611 pm_runtime_put(dev->dev);
613 /* enable polling for external displays */
614 drm_kms_helper_poll_enable(dev);
619 nouveau_display_destroy(dev);
621 nouveau_bios_takedown(dev);
623 nouveau_ttm_fini(drm);
625 nouveau_vga_fini(drm);
626 nouveau_cli_fini(&drm->client);
627 nouveau_cli_fini(&drm->master);
633 nouveau_drm_unload(struct drm_device *dev)
635 struct nouveau_drm *drm = nouveau_drm(dev);
637 if (nouveau_pmops_runtime()) {
638 pm_runtime_get_sync(dev->dev);
639 pm_runtime_forbid(dev->dev);
642 nouveau_led_fini(dev);
643 nouveau_fbcon_fini(dev);
644 nouveau_accel_fini(drm);
645 nouveau_hwmon_fini(dev);
646 nouveau_debugfs_fini(drm);
648 if (dev->mode_config.num_crtc)
649 nouveau_display_fini(dev, false);
650 nouveau_display_destroy(dev);
652 nouveau_bios_takedown(dev);
654 nouveau_ttm_fini(drm);
655 nouveau_vga_fini(drm);
657 if (drm->hdmi_device)
658 pci_dev_put(drm->hdmi_device);
659 nouveau_cli_fini(&drm->client);
660 nouveau_cli_fini(&drm->master);
665 nouveau_drm_device_remove(struct drm_device *dev)
667 struct nouveau_drm *drm = nouveau_drm(dev);
668 struct nvkm_client *client;
669 struct nvkm_device *device;
671 dev->irq_enabled = false;
672 client = nvxx_client(&drm->client.base);
673 device = nvkm_device_find(client->device);
676 nvkm_device_del(&device);
680 nouveau_drm_remove(struct pci_dev *pdev)
682 struct drm_device *dev = pci_get_drvdata(pdev);
684 nouveau_drm_device_remove(dev);
688 nouveau_do_suspend(struct drm_device *dev, bool runtime)
690 struct nouveau_drm *drm = nouveau_drm(dev);
693 nouveau_led_suspend(dev);
695 if (dev->mode_config.num_crtc) {
696 NV_DEBUG(drm, "suspending console...\n");
697 nouveau_fbcon_set_suspend(dev, 1);
698 NV_DEBUG(drm, "suspending display...\n");
699 ret = nouveau_display_suspend(dev, runtime);
704 NV_DEBUG(drm, "evicting buffers...\n");
705 ttm_bo_evict_mm(&drm->ttm.bdev, TTM_PL_VRAM);
707 NV_DEBUG(drm, "waiting for kernel channels to go idle...\n");
709 ret = nouveau_channel_idle(drm->cechan);
715 ret = nouveau_channel_idle(drm->channel);
720 NV_DEBUG(drm, "suspending fence...\n");
721 if (drm->fence && nouveau_fence(drm)->suspend) {
722 if (!nouveau_fence(drm)->suspend(drm)) {
728 NV_DEBUG(drm, "suspending object tree...\n");
729 ret = nvif_client_suspend(&drm->master.base);
736 if (drm->fence && nouveau_fence(drm)->resume)
737 nouveau_fence(drm)->resume(drm);
740 if (dev->mode_config.num_crtc) {
741 NV_DEBUG(drm, "resuming display...\n");
742 nouveau_display_resume(dev, runtime);
748 nouveau_do_resume(struct drm_device *dev, bool runtime)
750 struct nouveau_drm *drm = nouveau_drm(dev);
752 NV_DEBUG(drm, "resuming object tree...\n");
753 nvif_client_resume(&drm->master.base);
755 NV_DEBUG(drm, "resuming fence...\n");
756 if (drm->fence && nouveau_fence(drm)->resume)
757 nouveau_fence(drm)->resume(drm);
759 nouveau_run_vbios_init(dev);
761 if (dev->mode_config.num_crtc) {
762 NV_DEBUG(drm, "resuming display...\n");
763 nouveau_display_resume(dev, runtime);
764 NV_DEBUG(drm, "resuming console...\n");
765 nouveau_fbcon_set_suspend(dev, 0);
768 nouveau_led_resume(dev);
774 nouveau_pmops_suspend(struct device *dev)
776 struct pci_dev *pdev = to_pci_dev(dev);
777 struct drm_device *drm_dev = pci_get_drvdata(pdev);
780 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF ||
781 drm_dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF)
784 ret = nouveau_do_suspend(drm_dev, false);
788 pci_save_state(pdev);
789 pci_disable_device(pdev);
790 pci_set_power_state(pdev, PCI_D3hot);
796 nouveau_pmops_resume(struct device *dev)
798 struct pci_dev *pdev = to_pci_dev(dev);
799 struct drm_device *drm_dev = pci_get_drvdata(pdev);
802 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF ||
803 drm_dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF)
806 pci_set_power_state(pdev, PCI_D0);
807 pci_restore_state(pdev);
808 ret = pci_enable_device(pdev);
811 pci_set_master(pdev);
813 ret = nouveau_do_resume(drm_dev, false);
815 /* Monitors may have been connected / disconnected during suspend */
816 schedule_work(&nouveau_drm(drm_dev)->hpd_work);
822 nouveau_pmops_freeze(struct device *dev)
824 struct pci_dev *pdev = to_pci_dev(dev);
825 struct drm_device *drm_dev = pci_get_drvdata(pdev);
826 return nouveau_do_suspend(drm_dev, false);
830 nouveau_pmops_thaw(struct device *dev)
832 struct pci_dev *pdev = to_pci_dev(dev);
833 struct drm_device *drm_dev = pci_get_drvdata(pdev);
834 return nouveau_do_resume(drm_dev, false);
838 nouveau_pmops_runtime(void)
840 if (nouveau_runtime_pm == -1)
841 return nouveau_is_optimus() || nouveau_is_v1_dsm();
842 return nouveau_runtime_pm == 1;
846 nouveau_pmops_runtime_suspend(struct device *dev)
848 struct pci_dev *pdev = to_pci_dev(dev);
849 struct drm_device *drm_dev = pci_get_drvdata(pdev);
852 if (!nouveau_pmops_runtime()) {
853 pm_runtime_forbid(dev);
857 drm_kms_helper_poll_disable(drm_dev);
858 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF);
859 nouveau_switcheroo_optimus_dsm();
860 ret = nouveau_do_suspend(drm_dev, true);
861 pci_save_state(pdev);
862 pci_disable_device(pdev);
863 pci_ignore_hotplug(pdev);
864 pci_set_power_state(pdev, PCI_D3cold);
865 drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
870 nouveau_pmops_runtime_resume(struct device *dev)
872 struct pci_dev *pdev = to_pci_dev(dev);
873 struct drm_device *drm_dev = pci_get_drvdata(pdev);
874 struct nvif_device *device = &nouveau_drm(drm_dev)->client.device;
877 if (!nouveau_pmops_runtime()) {
878 pm_runtime_forbid(dev);
882 pci_set_power_state(pdev, PCI_D0);
883 pci_restore_state(pdev);
884 ret = pci_enable_device(pdev);
887 pci_set_master(pdev);
889 ret = nouveau_do_resume(drm_dev, true);
892 nvif_mask(&device->object, 0x088488, (1 << 25), (1 << 25));
893 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_ON);
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 struct pci_dev *pdev = to_pci_dev(dev);
906 struct drm_device *drm_dev = pci_get_drvdata(pdev);
907 struct nouveau_drm *drm = nouveau_drm(drm_dev);
908 struct drm_crtc *crtc;
910 if (!nouveau_pmops_runtime()) {
911 pm_runtime_forbid(dev);
915 /* if we have a hdmi audio device - make sure it has a driver loaded */
916 if (drm->hdmi_device) {
917 if (!drm->hdmi_device->driver) {
918 DRM_DEBUG_DRIVER("failing to power off - no HDMI audio driver loaded\n");
919 pm_runtime_mark_last_busy(dev);
924 list_for_each_entry(crtc, &drm->dev->mode_config.crtc_list, head) {
926 DRM_DEBUG_DRIVER("failing to power off - crtc active\n");
930 pm_runtime_mark_last_busy(dev);
931 pm_runtime_autosuspend(dev);
932 /* we don't want the main rpm_idle to call suspend - we want to autosuspend */
937 nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)
939 struct nouveau_drm *drm = nouveau_drm(dev);
940 struct nouveau_cli *cli;
941 char name[32], tmpname[TASK_COMM_LEN];
944 /* need to bring up power immediately if opening device */
945 ret = pm_runtime_get_sync(dev->dev);
946 if (ret < 0 && ret != -EACCES)
949 get_task_comm(tmpname, current);
950 snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid));
952 if (!(cli = kzalloc(sizeof(*cli), GFP_KERNEL)))
955 ret = nouveau_cli_init(drm, name, cli);
959 cli->base.super = false;
961 fpriv->driver_priv = cli;
963 mutex_lock(&drm->client.mutex);
964 list_add(&cli->head, &drm->clients);
965 mutex_unlock(&drm->client.mutex);
969 nouveau_cli_fini(cli);
973 pm_runtime_mark_last_busy(dev->dev);
974 pm_runtime_put_autosuspend(dev->dev);
979 nouveau_drm_postclose(struct drm_device *dev, struct drm_file *fpriv)
981 struct nouveau_cli *cli = nouveau_cli(fpriv);
982 struct nouveau_drm *drm = nouveau_drm(dev);
984 pm_runtime_get_sync(dev->dev);
986 mutex_lock(&cli->mutex);
988 nouveau_abi16_fini(cli->abi16);
989 mutex_unlock(&cli->mutex);
991 mutex_lock(&drm->client.mutex);
992 list_del(&cli->head);
993 mutex_unlock(&drm->client.mutex);
995 nouveau_cli_fini(cli);
997 pm_runtime_mark_last_busy(dev->dev);
998 pm_runtime_put_autosuspend(dev->dev);
1001 static const struct drm_ioctl_desc
1002 nouveau_ioctls[] = {
1003 DRM_IOCTL_DEF_DRV(NOUVEAU_GETPARAM, nouveau_abi16_ioctl_getparam, DRM_AUTH|DRM_RENDER_ALLOW),
1004 DRM_IOCTL_DEF_DRV(NOUVEAU_SETPARAM, nouveau_abi16_ioctl_setparam, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
1005 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_ALLOC, nouveau_abi16_ioctl_channel_alloc, DRM_AUTH|DRM_RENDER_ALLOW),
1006 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_FREE, nouveau_abi16_ioctl_channel_free, DRM_AUTH|DRM_RENDER_ALLOW),
1007 DRM_IOCTL_DEF_DRV(NOUVEAU_GROBJ_ALLOC, nouveau_abi16_ioctl_grobj_alloc, DRM_AUTH|DRM_RENDER_ALLOW),
1008 DRM_IOCTL_DEF_DRV(NOUVEAU_NOTIFIEROBJ_ALLOC, nouveau_abi16_ioctl_notifierobj_alloc, DRM_AUTH|DRM_RENDER_ALLOW),
1009 DRM_IOCTL_DEF_DRV(NOUVEAU_GPUOBJ_FREE, nouveau_abi16_ioctl_gpuobj_free, DRM_AUTH|DRM_RENDER_ALLOW),
1010 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_NEW, nouveau_gem_ioctl_new, DRM_AUTH|DRM_RENDER_ALLOW),
1011 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_PUSHBUF, nouveau_gem_ioctl_pushbuf, DRM_AUTH|DRM_RENDER_ALLOW),
1012 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_PREP, nouveau_gem_ioctl_cpu_prep, DRM_AUTH|DRM_RENDER_ALLOW),
1013 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_FINI, nouveau_gem_ioctl_cpu_fini, DRM_AUTH|DRM_RENDER_ALLOW),
1014 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_INFO, nouveau_gem_ioctl_info, DRM_AUTH|DRM_RENDER_ALLOW),
1018 nouveau_drm_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
1020 struct drm_file *filp = file->private_data;
1021 struct drm_device *dev = filp->minor->dev;
1024 ret = pm_runtime_get_sync(dev->dev);
1025 if (ret < 0 && ret != -EACCES)
1028 switch (_IOC_NR(cmd) - DRM_COMMAND_BASE) {
1029 case DRM_NOUVEAU_NVIF:
1030 ret = usif_ioctl(filp, (void __user *)arg, _IOC_SIZE(cmd));
1033 ret = drm_ioctl(file, cmd, arg);
1037 pm_runtime_mark_last_busy(dev->dev);
1038 pm_runtime_put_autosuspend(dev->dev);
1042 static const struct file_operations
1043 nouveau_driver_fops = {
1044 .owner = THIS_MODULE,
1046 .release = drm_release,
1047 .unlocked_ioctl = nouveau_drm_ioctl,
1048 .mmap = nouveau_ttm_mmap,
1051 #if defined(CONFIG_COMPAT)
1052 .compat_ioctl = nouveau_compat_ioctl,
1054 .llseek = noop_llseek,
1057 static struct drm_driver
1060 DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME | DRIVER_RENDER |
1061 DRIVER_KMS_LEGACY_CONTEXT,
1063 .load = nouveau_drm_load,
1064 .unload = nouveau_drm_unload,
1065 .open = nouveau_drm_open,
1066 .postclose = nouveau_drm_postclose,
1067 .lastclose = nouveau_vga_lastclose,
1069 #if defined(CONFIG_DEBUG_FS)
1070 .debugfs_init = nouveau_drm_debugfs_init,
1073 .enable_vblank = nouveau_display_vblank_enable,
1074 .disable_vblank = nouveau_display_vblank_disable,
1075 .get_scanout_position = nouveau_display_scanoutpos,
1076 .get_vblank_timestamp = drm_calc_vbltimestamp_from_scanoutpos,
1078 .ioctls = nouveau_ioctls,
1079 .num_ioctls = ARRAY_SIZE(nouveau_ioctls),
1080 .fops = &nouveau_driver_fops,
1082 .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
1083 .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
1084 .gem_prime_export = drm_gem_prime_export,
1085 .gem_prime_import = drm_gem_prime_import,
1086 .gem_prime_pin = nouveau_gem_prime_pin,
1087 .gem_prime_res_obj = nouveau_gem_prime_res_obj,
1088 .gem_prime_unpin = nouveau_gem_prime_unpin,
1089 .gem_prime_get_sg_table = nouveau_gem_prime_get_sg_table,
1090 .gem_prime_import_sg_table = nouveau_gem_prime_import_sg_table,
1091 .gem_prime_vmap = nouveau_gem_prime_vmap,
1092 .gem_prime_vunmap = nouveau_gem_prime_vunmap,
1094 .gem_free_object_unlocked = nouveau_gem_object_del,
1095 .gem_open_object = nouveau_gem_object_open,
1096 .gem_close_object = nouveau_gem_object_close,
1098 .dumb_create = nouveau_display_dumb_create,
1099 .dumb_map_offset = nouveau_display_dumb_map_offset,
1101 .name = DRIVER_NAME,
1102 .desc = DRIVER_DESC,
1104 .date = GIT_REVISION,
1106 .date = DRIVER_DATE,
1108 .major = DRIVER_MAJOR,
1109 .minor = DRIVER_MINOR,
1110 .patchlevel = DRIVER_PATCHLEVEL,
1113 static struct pci_device_id
1114 nouveau_drm_pci_table[] = {
1116 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
1117 .class = PCI_BASE_CLASS_DISPLAY << 16,
1118 .class_mask = 0xff << 16,
1121 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS, PCI_ANY_ID),
1122 .class = PCI_BASE_CLASS_DISPLAY << 16,
1123 .class_mask = 0xff << 16,
1128 static void nouveau_display_options(void)
1130 DRM_DEBUG_DRIVER("Loading Nouveau with parameters:\n");
1132 DRM_DEBUG_DRIVER("... tv_disable : %d\n", nouveau_tv_disable);
1133 DRM_DEBUG_DRIVER("... ignorelid : %d\n", nouveau_ignorelid);
1134 DRM_DEBUG_DRIVER("... duallink : %d\n", nouveau_duallink);
1135 DRM_DEBUG_DRIVER("... nofbaccel : %d\n", nouveau_nofbaccel);
1136 DRM_DEBUG_DRIVER("... config : %s\n", nouveau_config);
1137 DRM_DEBUG_DRIVER("... debug : %s\n", nouveau_debug);
1138 DRM_DEBUG_DRIVER("... noaccel : %d\n", nouveau_noaccel);
1139 DRM_DEBUG_DRIVER("... modeset : %d\n", nouveau_modeset);
1140 DRM_DEBUG_DRIVER("... runpm : %d\n", nouveau_runtime_pm);
1141 DRM_DEBUG_DRIVER("... vram_pushbuf : %d\n", nouveau_vram_pushbuf);
1142 DRM_DEBUG_DRIVER("... hdmimhz : %d\n", nouveau_hdmimhz);
1145 static const struct dev_pm_ops nouveau_pm_ops = {
1146 .suspend = nouveau_pmops_suspend,
1147 .resume = nouveau_pmops_resume,
1148 .freeze = nouveau_pmops_freeze,
1149 .thaw = nouveau_pmops_thaw,
1150 .poweroff = nouveau_pmops_freeze,
1151 .restore = nouveau_pmops_resume,
1152 .runtime_suspend = nouveau_pmops_runtime_suspend,
1153 .runtime_resume = nouveau_pmops_runtime_resume,
1154 .runtime_idle = nouveau_pmops_runtime_idle,
1157 static struct pci_driver
1158 nouveau_drm_pci_driver = {
1160 .id_table = nouveau_drm_pci_table,
1161 .probe = nouveau_drm_probe,
1162 .remove = nouveau_drm_remove,
1163 .driver.pm = &nouveau_pm_ops,
1167 nouveau_platform_device_create(const struct nvkm_device_tegra_func *func,
1168 struct platform_device *pdev,
1169 struct nvkm_device **pdevice)
1171 struct drm_device *drm;
1174 err = nvkm_device_tegra_new(func, pdev, nouveau_config, nouveau_debug,
1175 true, true, ~0ULL, pdevice);
1179 drm = drm_dev_alloc(&driver_platform, &pdev->dev);
1185 platform_set_drvdata(pdev, drm);
1190 nvkm_device_del(pdevice);
1192 return ERR_PTR(err);
1196 nouveau_drm_init(void)
1198 driver_pci = driver_stub;
1199 driver_platform = driver_stub;
1201 nouveau_display_options();
1203 if (nouveau_modeset == -1) {
1204 if (vgacon_text_force())
1205 nouveau_modeset = 0;
1208 if (!nouveau_modeset)
1211 #ifdef CONFIG_NOUVEAU_PLATFORM_DRIVER
1212 platform_driver_register(&nouveau_platform_driver);
1215 nouveau_register_dsm_handler();
1216 nouveau_backlight_ctor();
1219 return pci_register_driver(&nouveau_drm_pci_driver);
1226 nouveau_drm_exit(void)
1228 if (!nouveau_modeset)
1232 pci_unregister_driver(&nouveau_drm_pci_driver);
1234 nouveau_backlight_dtor();
1235 nouveau_unregister_dsm_handler();
1237 #ifdef CONFIG_NOUVEAU_PLATFORM_DRIVER
1238 platform_driver_unregister(&nouveau_platform_driver);
1242 module_init(nouveau_drm_init);
1243 module_exit(nouveau_drm_exit);
1245 MODULE_DEVICE_TABLE(pci, nouveau_drm_pci_table);
1246 MODULE_AUTHOR(DRIVER_AUTHOR);
1247 MODULE_DESCRIPTION(DRIVER_DESC);
1248 MODULE_LICENSE("GPL and additional rights");