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 if (dma_fence_add_callback(fence, &work->cb, nouveau_cli_work_fence))
156 nouveau_cli_work_fence(fence, &work->cb);
157 mutex_unlock(&cli->lock);
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_domain_bus_and_slot(pci_domain_nr(pdev->bus),
528 (unsigned int)pdev->bus->number,
529 PCI_DEVFN(PCI_SLOT(pdev->devfn), 1));
531 if (!drm->hdmi_device) {
532 NV_DEBUG(drm, "hdmi device not found %d %d %d\n", pdev->bus->number, PCI_SLOT(pdev->devfn), 1);
536 if ((drm->hdmi_device->class >> 8) != PCI_CLASS_MULTIMEDIA_HD_AUDIO) {
537 NV_DEBUG(drm, "possible hdmi device not audio %d\n", drm->hdmi_device->class);
538 pci_dev_put(drm->hdmi_device);
539 drm->hdmi_device = NULL;
545 nouveau_drm_load(struct drm_device *dev, unsigned long flags)
547 struct nouveau_drm *drm;
550 if (!(drm = kzalloc(sizeof(*drm), GFP_KERNEL)))
552 dev->dev_private = drm;
555 ret = nouveau_cli_init(drm, "DRM-master", &drm->master);
559 ret = nouveau_cli_init(drm, "DRM", &drm->client);
563 dev->irq_enabled = true;
565 nvxx_client(&drm->client.base)->debug =
566 nvkm_dbgopt(nouveau_debug, "DRM");
568 INIT_LIST_HEAD(&drm->clients);
569 spin_lock_init(&drm->tile.lock);
571 nouveau_get_hdmi_dev(drm);
573 /* workaround an odd issue on nvc1 by disabling the device's
574 * nosnoop capability. hopefully won't cause issues until a
575 * better fix is found - assuming there is one...
577 if (drm->client.device.info.chipset == 0xc1)
578 nvif_mask(&drm->client.device.object, 0x00088080, 0x00000800, 0x00000000);
580 nouveau_vga_init(drm);
582 ret = nouveau_ttm_init(drm);
586 ret = nouveau_bios_init(dev);
590 ret = nouveau_display_create(dev);
594 if (dev->mode_config.num_crtc) {
595 ret = nouveau_display_init(dev);
600 nouveau_debugfs_init(drm);
601 nouveau_hwmon_init(dev);
602 nouveau_accel_init(drm);
603 nouveau_fbcon_init(dev);
604 nouveau_led_init(dev);
606 if (nouveau_pmops_runtime()) {
607 pm_runtime_use_autosuspend(dev->dev);
608 pm_runtime_set_autosuspend_delay(dev->dev, 5000);
609 pm_runtime_set_active(dev->dev);
610 pm_runtime_allow(dev->dev);
611 pm_runtime_mark_last_busy(dev->dev);
612 pm_runtime_put(dev->dev);
614 /* enable polling for external displays */
615 drm_kms_helper_poll_enable(dev);
620 nouveau_display_destroy(dev);
622 nouveau_bios_takedown(dev);
624 nouveau_ttm_fini(drm);
626 nouveau_vga_fini(drm);
627 nouveau_cli_fini(&drm->client);
628 nouveau_cli_fini(&drm->master);
634 nouveau_drm_unload(struct drm_device *dev)
636 struct nouveau_drm *drm = nouveau_drm(dev);
638 if (nouveau_pmops_runtime()) {
639 pm_runtime_get_sync(dev->dev);
640 pm_runtime_forbid(dev->dev);
643 nouveau_led_fini(dev);
644 nouveau_fbcon_fini(dev);
645 nouveau_accel_fini(drm);
646 nouveau_hwmon_fini(dev);
647 nouveau_debugfs_fini(drm);
649 if (dev->mode_config.num_crtc)
650 nouveau_display_fini(dev, false);
651 nouveau_display_destroy(dev);
653 nouveau_bios_takedown(dev);
655 nouveau_ttm_fini(drm);
656 nouveau_vga_fini(drm);
658 if (drm->hdmi_device)
659 pci_dev_put(drm->hdmi_device);
660 nouveau_cli_fini(&drm->client);
661 nouveau_cli_fini(&drm->master);
666 nouveau_drm_device_remove(struct drm_device *dev)
668 struct nouveau_drm *drm = nouveau_drm(dev);
669 struct nvkm_client *client;
670 struct nvkm_device *device;
672 dev->irq_enabled = false;
673 client = nvxx_client(&drm->client.base);
674 device = nvkm_device_find(client->device);
677 nvkm_device_del(&device);
681 nouveau_drm_remove(struct pci_dev *pdev)
683 struct drm_device *dev = pci_get_drvdata(pdev);
685 nouveau_drm_device_remove(dev);
689 nouveau_do_suspend(struct drm_device *dev, bool runtime)
691 struct nouveau_drm *drm = nouveau_drm(dev);
694 nouveau_led_suspend(dev);
696 if (dev->mode_config.num_crtc) {
697 NV_DEBUG(drm, "suspending console...\n");
698 nouveau_fbcon_set_suspend(dev, 1);
699 NV_DEBUG(drm, "suspending display...\n");
700 ret = nouveau_display_suspend(dev, runtime);
705 NV_DEBUG(drm, "evicting buffers...\n");
706 ttm_bo_evict_mm(&drm->ttm.bdev, TTM_PL_VRAM);
708 NV_DEBUG(drm, "waiting for kernel channels to go idle...\n");
710 ret = nouveau_channel_idle(drm->cechan);
716 ret = nouveau_channel_idle(drm->channel);
721 NV_DEBUG(drm, "suspending fence...\n");
722 if (drm->fence && nouveau_fence(drm)->suspend) {
723 if (!nouveau_fence(drm)->suspend(drm)) {
729 NV_DEBUG(drm, "suspending object tree...\n");
730 ret = nvif_client_suspend(&drm->master.base);
737 if (drm->fence && nouveau_fence(drm)->resume)
738 nouveau_fence(drm)->resume(drm);
741 if (dev->mode_config.num_crtc) {
742 NV_DEBUG(drm, "resuming display...\n");
743 nouveau_display_resume(dev, runtime);
749 nouveau_do_resume(struct drm_device *dev, bool runtime)
751 struct nouveau_drm *drm = nouveau_drm(dev);
753 NV_DEBUG(drm, "resuming object tree...\n");
754 nvif_client_resume(&drm->master.base);
756 NV_DEBUG(drm, "resuming fence...\n");
757 if (drm->fence && nouveau_fence(drm)->resume)
758 nouveau_fence(drm)->resume(drm);
760 nouveau_run_vbios_init(dev);
762 if (dev->mode_config.num_crtc) {
763 NV_DEBUG(drm, "resuming display...\n");
764 nouveau_display_resume(dev, runtime);
765 NV_DEBUG(drm, "resuming console...\n");
766 nouveau_fbcon_set_suspend(dev, 0);
769 nouveau_led_resume(dev);
775 nouveau_pmops_suspend(struct device *dev)
777 struct pci_dev *pdev = to_pci_dev(dev);
778 struct drm_device *drm_dev = pci_get_drvdata(pdev);
781 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF ||
782 drm_dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF)
785 ret = nouveau_do_suspend(drm_dev, false);
789 pci_save_state(pdev);
790 pci_disable_device(pdev);
791 pci_set_power_state(pdev, PCI_D3hot);
797 nouveau_pmops_resume(struct device *dev)
799 struct pci_dev *pdev = to_pci_dev(dev);
800 struct drm_device *drm_dev = pci_get_drvdata(pdev);
803 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF ||
804 drm_dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF)
807 pci_set_power_state(pdev, PCI_D0);
808 pci_restore_state(pdev);
809 ret = pci_enable_device(pdev);
812 pci_set_master(pdev);
814 ret = nouveau_do_resume(drm_dev, false);
816 /* Monitors may have been connected / disconnected during suspend */
817 schedule_work(&nouveau_drm(drm_dev)->hpd_work);
823 nouveau_pmops_freeze(struct device *dev)
825 struct pci_dev *pdev = to_pci_dev(dev);
826 struct drm_device *drm_dev = pci_get_drvdata(pdev);
827 return nouveau_do_suspend(drm_dev, false);
831 nouveau_pmops_thaw(struct device *dev)
833 struct pci_dev *pdev = to_pci_dev(dev);
834 struct drm_device *drm_dev = pci_get_drvdata(pdev);
835 return nouveau_do_resume(drm_dev, false);
839 nouveau_pmops_runtime(void)
841 if (nouveau_runtime_pm == -1)
842 return nouveau_is_optimus() || nouveau_is_v1_dsm();
843 return nouveau_runtime_pm == 1;
847 nouveau_pmops_runtime_suspend(struct device *dev)
849 struct pci_dev *pdev = to_pci_dev(dev);
850 struct drm_device *drm_dev = pci_get_drvdata(pdev);
853 if (!nouveau_pmops_runtime()) {
854 pm_runtime_forbid(dev);
858 drm_kms_helper_poll_disable(drm_dev);
859 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF);
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 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_ON);
895 drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
897 /* Monitors may have been connected / disconnected during suspend */
898 schedule_work(&nouveau_drm(drm_dev)->hpd_work);
904 nouveau_pmops_runtime_idle(struct device *dev)
906 struct pci_dev *pdev = to_pci_dev(dev);
907 struct drm_device *drm_dev = pci_get_drvdata(pdev);
908 struct nouveau_drm *drm = nouveau_drm(drm_dev);
909 struct drm_crtc *crtc;
911 if (!nouveau_pmops_runtime()) {
912 pm_runtime_forbid(dev);
916 /* if we have a hdmi audio device - make sure it has a driver loaded */
917 if (drm->hdmi_device) {
918 if (!drm->hdmi_device->driver) {
919 DRM_DEBUG_DRIVER("failing to power off - no HDMI audio driver loaded\n");
920 pm_runtime_mark_last_busy(dev);
925 list_for_each_entry(crtc, &drm->dev->mode_config.crtc_list, head) {
927 DRM_DEBUG_DRIVER("failing to power off - crtc active\n");
931 pm_runtime_mark_last_busy(dev);
932 pm_runtime_autosuspend(dev);
933 /* we don't want the main rpm_idle to call suspend - we want to autosuspend */
938 nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)
940 struct nouveau_drm *drm = nouveau_drm(dev);
941 struct nouveau_cli *cli;
942 char name[32], tmpname[TASK_COMM_LEN];
945 /* need to bring up power immediately if opening device */
946 ret = pm_runtime_get_sync(dev->dev);
947 if (ret < 0 && ret != -EACCES)
950 get_task_comm(tmpname, current);
951 snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid));
953 if (!(cli = kzalloc(sizeof(*cli), GFP_KERNEL)))
956 ret = nouveau_cli_init(drm, name, cli);
960 cli->base.super = false;
962 fpriv->driver_priv = cli;
964 mutex_lock(&drm->client.mutex);
965 list_add(&cli->head, &drm->clients);
966 mutex_unlock(&drm->client.mutex);
970 nouveau_cli_fini(cli);
974 pm_runtime_mark_last_busy(dev->dev);
975 pm_runtime_put_autosuspend(dev->dev);
980 nouveau_drm_postclose(struct drm_device *dev, struct drm_file *fpriv)
982 struct nouveau_cli *cli = nouveau_cli(fpriv);
983 struct nouveau_drm *drm = nouveau_drm(dev);
985 pm_runtime_get_sync(dev->dev);
987 mutex_lock(&cli->mutex);
989 nouveau_abi16_fini(cli->abi16);
990 mutex_unlock(&cli->mutex);
992 mutex_lock(&drm->client.mutex);
993 list_del(&cli->head);
994 mutex_unlock(&drm->client.mutex);
996 nouveau_cli_fini(cli);
998 pm_runtime_mark_last_busy(dev->dev);
999 pm_runtime_put_autosuspend(dev->dev);
1002 static const struct drm_ioctl_desc
1003 nouveau_ioctls[] = {
1004 DRM_IOCTL_DEF_DRV(NOUVEAU_GETPARAM, nouveau_abi16_ioctl_getparam, DRM_AUTH|DRM_RENDER_ALLOW),
1005 DRM_IOCTL_DEF_DRV(NOUVEAU_SETPARAM, nouveau_abi16_ioctl_setparam, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
1006 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_ALLOC, nouveau_abi16_ioctl_channel_alloc, DRM_AUTH|DRM_RENDER_ALLOW),
1007 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_FREE, nouveau_abi16_ioctl_channel_free, DRM_AUTH|DRM_RENDER_ALLOW),
1008 DRM_IOCTL_DEF_DRV(NOUVEAU_GROBJ_ALLOC, nouveau_abi16_ioctl_grobj_alloc, DRM_AUTH|DRM_RENDER_ALLOW),
1009 DRM_IOCTL_DEF_DRV(NOUVEAU_NOTIFIEROBJ_ALLOC, nouveau_abi16_ioctl_notifierobj_alloc, DRM_AUTH|DRM_RENDER_ALLOW),
1010 DRM_IOCTL_DEF_DRV(NOUVEAU_GPUOBJ_FREE, nouveau_abi16_ioctl_gpuobj_free, DRM_AUTH|DRM_RENDER_ALLOW),
1011 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_NEW, nouveau_gem_ioctl_new, DRM_AUTH|DRM_RENDER_ALLOW),
1012 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_PUSHBUF, nouveau_gem_ioctl_pushbuf, DRM_AUTH|DRM_RENDER_ALLOW),
1013 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_PREP, nouveau_gem_ioctl_cpu_prep, DRM_AUTH|DRM_RENDER_ALLOW),
1014 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_FINI, nouveau_gem_ioctl_cpu_fini, DRM_AUTH|DRM_RENDER_ALLOW),
1015 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_INFO, nouveau_gem_ioctl_info, DRM_AUTH|DRM_RENDER_ALLOW),
1019 nouveau_drm_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
1021 struct drm_file *filp = file->private_data;
1022 struct drm_device *dev = filp->minor->dev;
1025 ret = pm_runtime_get_sync(dev->dev);
1026 if (ret < 0 && ret != -EACCES)
1029 switch (_IOC_NR(cmd) - DRM_COMMAND_BASE) {
1030 case DRM_NOUVEAU_NVIF:
1031 ret = usif_ioctl(filp, (void __user *)arg, _IOC_SIZE(cmd));
1034 ret = drm_ioctl(file, cmd, arg);
1038 pm_runtime_mark_last_busy(dev->dev);
1039 pm_runtime_put_autosuspend(dev->dev);
1043 static const struct file_operations
1044 nouveau_driver_fops = {
1045 .owner = THIS_MODULE,
1047 .release = drm_release,
1048 .unlocked_ioctl = nouveau_drm_ioctl,
1049 .mmap = nouveau_ttm_mmap,
1052 #if defined(CONFIG_COMPAT)
1053 .compat_ioctl = nouveau_compat_ioctl,
1055 .llseek = noop_llseek,
1058 static struct drm_driver
1061 DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME | DRIVER_RENDER |
1062 DRIVER_KMS_LEGACY_CONTEXT,
1064 .load = nouveau_drm_load,
1065 .unload = nouveau_drm_unload,
1066 .open = nouveau_drm_open,
1067 .postclose = nouveau_drm_postclose,
1068 .lastclose = nouveau_vga_lastclose,
1070 #if defined(CONFIG_DEBUG_FS)
1071 .debugfs_init = nouveau_drm_debugfs_init,
1074 .enable_vblank = nouveau_display_vblank_enable,
1075 .disable_vblank = nouveau_display_vblank_disable,
1076 .get_scanout_position = nouveau_display_scanoutpos,
1077 .get_vblank_timestamp = drm_calc_vbltimestamp_from_scanoutpos,
1079 .ioctls = nouveau_ioctls,
1080 .num_ioctls = ARRAY_SIZE(nouveau_ioctls),
1081 .fops = &nouveau_driver_fops,
1083 .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
1084 .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
1085 .gem_prime_export = drm_gem_prime_export,
1086 .gem_prime_import = drm_gem_prime_import,
1087 .gem_prime_pin = nouveau_gem_prime_pin,
1088 .gem_prime_res_obj = nouveau_gem_prime_res_obj,
1089 .gem_prime_unpin = nouveau_gem_prime_unpin,
1090 .gem_prime_get_sg_table = nouveau_gem_prime_get_sg_table,
1091 .gem_prime_import_sg_table = nouveau_gem_prime_import_sg_table,
1092 .gem_prime_vmap = nouveau_gem_prime_vmap,
1093 .gem_prime_vunmap = nouveau_gem_prime_vunmap,
1095 .gem_free_object_unlocked = nouveau_gem_object_del,
1096 .gem_open_object = nouveau_gem_object_open,
1097 .gem_close_object = nouveau_gem_object_close,
1099 .dumb_create = nouveau_display_dumb_create,
1100 .dumb_map_offset = nouveau_display_dumb_map_offset,
1102 .name = DRIVER_NAME,
1103 .desc = DRIVER_DESC,
1105 .date = GIT_REVISION,
1107 .date = DRIVER_DATE,
1109 .major = DRIVER_MAJOR,
1110 .minor = DRIVER_MINOR,
1111 .patchlevel = DRIVER_PATCHLEVEL,
1114 static struct pci_device_id
1115 nouveau_drm_pci_table[] = {
1117 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
1118 .class = PCI_BASE_CLASS_DISPLAY << 16,
1119 .class_mask = 0xff << 16,
1122 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS, PCI_ANY_ID),
1123 .class = PCI_BASE_CLASS_DISPLAY << 16,
1124 .class_mask = 0xff << 16,
1129 static void nouveau_display_options(void)
1131 DRM_DEBUG_DRIVER("Loading Nouveau with parameters:\n");
1133 DRM_DEBUG_DRIVER("... tv_disable : %d\n", nouveau_tv_disable);
1134 DRM_DEBUG_DRIVER("... ignorelid : %d\n", nouveau_ignorelid);
1135 DRM_DEBUG_DRIVER("... duallink : %d\n", nouveau_duallink);
1136 DRM_DEBUG_DRIVER("... nofbaccel : %d\n", nouveau_nofbaccel);
1137 DRM_DEBUG_DRIVER("... config : %s\n", nouveau_config);
1138 DRM_DEBUG_DRIVER("... debug : %s\n", nouveau_debug);
1139 DRM_DEBUG_DRIVER("... noaccel : %d\n", nouveau_noaccel);
1140 DRM_DEBUG_DRIVER("... modeset : %d\n", nouveau_modeset);
1141 DRM_DEBUG_DRIVER("... runpm : %d\n", nouveau_runtime_pm);
1142 DRM_DEBUG_DRIVER("... vram_pushbuf : %d\n", nouveau_vram_pushbuf);
1143 DRM_DEBUG_DRIVER("... hdmimhz : %d\n", nouveau_hdmimhz);
1146 static const struct dev_pm_ops nouveau_pm_ops = {
1147 .suspend = nouveau_pmops_suspend,
1148 .resume = nouveau_pmops_resume,
1149 .freeze = nouveau_pmops_freeze,
1150 .thaw = nouveau_pmops_thaw,
1151 .poweroff = nouveau_pmops_freeze,
1152 .restore = nouveau_pmops_resume,
1153 .runtime_suspend = nouveau_pmops_runtime_suspend,
1154 .runtime_resume = nouveau_pmops_runtime_resume,
1155 .runtime_idle = nouveau_pmops_runtime_idle,
1158 static struct pci_driver
1159 nouveau_drm_pci_driver = {
1161 .id_table = nouveau_drm_pci_table,
1162 .probe = nouveau_drm_probe,
1163 .remove = nouveau_drm_remove,
1164 .driver.pm = &nouveau_pm_ops,
1168 nouveau_platform_device_create(const struct nvkm_device_tegra_func *func,
1169 struct platform_device *pdev,
1170 struct nvkm_device **pdevice)
1172 struct drm_device *drm;
1175 err = nvkm_device_tegra_new(func, pdev, nouveau_config, nouveau_debug,
1176 true, true, ~0ULL, pdevice);
1180 drm = drm_dev_alloc(&driver_platform, &pdev->dev);
1186 platform_set_drvdata(pdev, drm);
1191 nvkm_device_del(pdevice);
1193 return ERR_PTR(err);
1197 nouveau_drm_init(void)
1199 driver_pci = driver_stub;
1200 driver_platform = driver_stub;
1202 nouveau_display_options();
1204 if (nouveau_modeset == -1) {
1205 if (vgacon_text_force())
1206 nouveau_modeset = 0;
1209 if (!nouveau_modeset)
1212 #ifdef CONFIG_NOUVEAU_PLATFORM_DRIVER
1213 platform_driver_register(&nouveau_platform_driver);
1216 nouveau_register_dsm_handler();
1217 nouveau_backlight_ctor();
1220 return pci_register_driver(&nouveau_drm_pci_driver);
1227 nouveau_drm_exit(void)
1229 if (!nouveau_modeset)
1233 pci_unregister_driver(&nouveau_drm_pci_driver);
1235 nouveau_backlight_dtor();
1236 nouveau_unregister_dsm_handler();
1238 #ifdef CONFIG_NOUVEAU_PLATFORM_DRIVER
1239 platform_driver_unregister(&nouveau_platform_driver);
1243 module_init(nouveau_drm_init);
1244 module_exit(nouveau_drm_exit);
1246 MODULE_DEVICE_TABLE(pci, nouveau_drm_pci_table);
1247 MODULE_AUTHOR(DRIVER_AUTHOR);
1248 MODULE_DESCRIPTION(DRIVER_DESC);
1249 MODULE_LICENSE("GPL and additional rights");