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drm/nouveau: check for supported chipset before booting fbdev off the hw
[deliverable/linux.git] / drivers / gpu / drm / nouveau / nouveau_drm.c
1 /*
2 * Copyright 2012 Red Hat Inc.
3 *
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:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
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.
21 *
22 * Authors: Ben Skeggs
23 */
24
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>
31
32 #include "drmP.h"
33 #include "drm_crtc_helper.h"
34
35 #include <core/gpuobj.h>
36 #include <core/option.h>
37 #include <core/pci.h>
38 #include <core/tegra.h>
39
40 #include <nvif/class.h>
41 #include <nvif/cl0002.h>
42 #include <nvif/cla06f.h>
43 #include <nvif/if0004.h>
44
45 #include "nouveau_drv.h"
46 #include "nouveau_dma.h"
47 #include "nouveau_ttm.h"
48 #include "nouveau_gem.h"
49 #include "nouveau_vga.h"
50 #include "nouveau_hwmon.h"
51 #include "nouveau_acpi.h"
52 #include "nouveau_bios.h"
53 #include "nouveau_ioctl.h"
54 #include "nouveau_abi16.h"
55 #include "nouveau_fbcon.h"
56 #include "nouveau_fence.h"
57 #include "nouveau_debugfs.h"
58 #include "nouveau_usif.h"
59 #include "nouveau_connector.h"
60 #include "nouveau_platform.h"
61
62 MODULE_PARM_DESC(config, "option string to pass to driver core");
63 static char *nouveau_config;
64 module_param_named(config, nouveau_config, charp, 0400);
65
66 MODULE_PARM_DESC(debug, "debug string to pass to driver core");
67 static char *nouveau_debug;
68 module_param_named(debug, nouveau_debug, charp, 0400);
69
70 MODULE_PARM_DESC(noaccel, "disable kernel/abi16 acceleration");
71 static int nouveau_noaccel = 0;
72 module_param_named(noaccel, nouveau_noaccel, int, 0400);
73
74 MODULE_PARM_DESC(modeset, "enable driver (default: auto, "
75 "0 = disabled, 1 = enabled, 2 = headless)");
76 int nouveau_modeset = -1;
77 module_param_named(modeset, nouveau_modeset, int, 0400);
78
79 MODULE_PARM_DESC(runpm, "disable (0), force enable (1), optimus only default (-1)");
80 int nouveau_runtime_pm = -1;
81 module_param_named(runpm, nouveau_runtime_pm, int, 0400);
82
83 static struct drm_driver driver_stub;
84 static struct drm_driver driver_pci;
85 static struct drm_driver driver_platform;
86
87 static u64
88 nouveau_pci_name(struct pci_dev *pdev)
89 {
90 u64 name = (u64)pci_domain_nr(pdev->bus) << 32;
91 name |= pdev->bus->number << 16;
92 name |= PCI_SLOT(pdev->devfn) << 8;
93 return name | PCI_FUNC(pdev->devfn);
94 }
95
96 static u64
97 nouveau_platform_name(struct platform_device *platformdev)
98 {
99 return platformdev->id;
100 }
101
102 static u64
103 nouveau_name(struct drm_device *dev)
104 {
105 if (dev->pdev)
106 return nouveau_pci_name(dev->pdev);
107 else
108 return nouveau_platform_name(dev->platformdev);
109 }
110
111 static int
112 nouveau_cli_create(struct drm_device *dev, const char *sname,
113 int size, void **pcli)
114 {
115 struct nouveau_cli *cli = *pcli = kzalloc(size, GFP_KERNEL);
116 int ret;
117 if (cli) {
118 snprintf(cli->name, sizeof(cli->name), "%s", sname);
119 cli->dev = dev;
120
121 ret = nvif_client_init(NULL, cli->name, nouveau_name(dev),
122 nouveau_config, nouveau_debug,
123 &cli->base);
124 if (ret == 0) {
125 mutex_init(&cli->mutex);
126 usif_client_init(cli);
127 }
128 return ret;
129 }
130 return -ENOMEM;
131 }
132
133 static void
134 nouveau_cli_destroy(struct nouveau_cli *cli)
135 {
136 nvkm_vm_ref(NULL, &nvxx_client(&cli->base)->vm, NULL);
137 nvif_client_fini(&cli->base);
138 usif_client_fini(cli);
139 kfree(cli);
140 }
141
142 static void
143 nouveau_accel_fini(struct nouveau_drm *drm)
144 {
145 nouveau_channel_idle(drm->channel);
146 nvif_object_fini(&drm->ntfy);
147 nvkm_gpuobj_del(&drm->notify);
148 nvif_notify_fini(&drm->flip);
149 nvif_object_fini(&drm->nvsw);
150 nouveau_channel_del(&drm->channel);
151
152 nouveau_channel_idle(drm->cechan);
153 nvif_object_fini(&drm->ttm.copy);
154 nouveau_channel_del(&drm->cechan);
155
156 if (drm->fence)
157 nouveau_fence(drm)->dtor(drm);
158 }
159
160 static void
161 nouveau_accel_init(struct nouveau_drm *drm)
162 {
163 struct nvif_device *device = &drm->device;
164 struct nvif_sclass *sclass;
165 u32 arg0, arg1;
166 int ret, i, n;
167
168 if (nouveau_noaccel)
169 return;
170
171 /* initialise synchronisation routines */
172 /*XXX: this is crap, but the fence/channel stuff is a little
173 * backwards in some places. this will be fixed.
174 */
175 ret = n = nvif_object_sclass_get(&device->object, &sclass);
176 if (ret < 0)
177 return;
178
179 for (ret = -ENOSYS, i = 0; i < n; i++) {
180 switch (sclass[i].oclass) {
181 case NV03_CHANNEL_DMA:
182 ret = nv04_fence_create(drm);
183 break;
184 case NV10_CHANNEL_DMA:
185 ret = nv10_fence_create(drm);
186 break;
187 case NV17_CHANNEL_DMA:
188 case NV40_CHANNEL_DMA:
189 ret = nv17_fence_create(drm);
190 break;
191 case NV50_CHANNEL_GPFIFO:
192 ret = nv50_fence_create(drm);
193 break;
194 case G82_CHANNEL_GPFIFO:
195 ret = nv84_fence_create(drm);
196 break;
197 case FERMI_CHANNEL_GPFIFO:
198 case KEPLER_CHANNEL_GPFIFO_A:
199 case KEPLER_CHANNEL_GPFIFO_B:
200 case MAXWELL_CHANNEL_GPFIFO_A:
201 case PASCAL_CHANNEL_GPFIFO_A:
202 ret = nvc0_fence_create(drm);
203 break;
204 default:
205 break;
206 }
207 }
208
209 nvif_object_sclass_put(&sclass);
210 if (ret) {
211 NV_ERROR(drm, "failed to initialise sync subsystem, %d\n", ret);
212 nouveau_accel_fini(drm);
213 return;
214 }
215
216 if (device->info.family >= NV_DEVICE_INFO_V0_KEPLER) {
217 ret = nouveau_channel_new(drm, &drm->device,
218 NVA06F_V0_ENGINE_CE0 |
219 NVA06F_V0_ENGINE_CE1,
220 0, &drm->cechan);
221 if (ret)
222 NV_ERROR(drm, "failed to create ce channel, %d\n", ret);
223
224 arg0 = NVA06F_V0_ENGINE_GR;
225 arg1 = 1;
226 } else
227 if (device->info.chipset >= 0xa3 &&
228 device->info.chipset != 0xaa &&
229 device->info.chipset != 0xac) {
230 ret = nouveau_channel_new(drm, &drm->device,
231 NvDmaFB, NvDmaTT, &drm->cechan);
232 if (ret)
233 NV_ERROR(drm, "failed to create ce channel, %d\n", ret);
234
235 arg0 = NvDmaFB;
236 arg1 = NvDmaTT;
237 } else {
238 arg0 = NvDmaFB;
239 arg1 = NvDmaTT;
240 }
241
242 ret = nouveau_channel_new(drm, &drm->device, arg0, arg1, &drm->channel);
243 if (ret) {
244 NV_ERROR(drm, "failed to create kernel channel, %d\n", ret);
245 nouveau_accel_fini(drm);
246 return;
247 }
248
249 ret = nvif_object_init(&drm->channel->user, NVDRM_NVSW,
250 nouveau_abi16_swclass(drm), NULL, 0, &drm->nvsw);
251 if (ret == 0) {
252 ret = RING_SPACE(drm->channel, 2);
253 if (ret == 0) {
254 if (device->info.family < NV_DEVICE_INFO_V0_FERMI) {
255 BEGIN_NV04(drm->channel, NvSubSw, 0, 1);
256 OUT_RING (drm->channel, NVDRM_NVSW);
257 } else
258 if (device->info.family < NV_DEVICE_INFO_V0_KEPLER) {
259 BEGIN_NVC0(drm->channel, FermiSw, 0, 1);
260 OUT_RING (drm->channel, 0x001f0000);
261 }
262 }
263
264 ret = nvif_notify_init(&drm->nvsw, nouveau_flip_complete,
265 false, NV04_NVSW_NTFY_UEVENT,
266 NULL, 0, 0, &drm->flip);
267 if (ret == 0)
268 ret = nvif_notify_get(&drm->flip);
269 if (ret) {
270 nouveau_accel_fini(drm);
271 return;
272 }
273 }
274
275 if (ret) {
276 NV_ERROR(drm, "failed to allocate software object, %d\n", ret);
277 nouveau_accel_fini(drm);
278 return;
279 }
280
281 if (device->info.family < NV_DEVICE_INFO_V0_FERMI) {
282 ret = nvkm_gpuobj_new(nvxx_device(&drm->device), 32, 0, false,
283 NULL, &drm->notify);
284 if (ret) {
285 NV_ERROR(drm, "failed to allocate notifier, %d\n", ret);
286 nouveau_accel_fini(drm);
287 return;
288 }
289
290 ret = nvif_object_init(&drm->channel->user, NvNotify0,
291 NV_DMA_IN_MEMORY,
292 &(struct nv_dma_v0) {
293 .target = NV_DMA_V0_TARGET_VRAM,
294 .access = NV_DMA_V0_ACCESS_RDWR,
295 .start = drm->notify->addr,
296 .limit = drm->notify->addr + 31
297 }, sizeof(struct nv_dma_v0),
298 &drm->ntfy);
299 if (ret) {
300 nouveau_accel_fini(drm);
301 return;
302 }
303 }
304
305
306 nouveau_bo_move_init(drm);
307 }
308
309 static int nouveau_drm_probe(struct pci_dev *pdev,
310 const struct pci_device_id *pent)
311 {
312 struct nvkm_device *device;
313 struct apertures_struct *aper;
314 bool boot = false;
315 int ret;
316
317 if (vga_switcheroo_client_probe_defer(pdev))
318 return -EPROBE_DEFER;
319
320 /* We need to check that the chipset is supported before booting
321 * fbdev off the hardware, as there's no way to put it back.
322 */
323 ret = nvkm_device_pci_new(pdev, NULL, "error", true, false, 0, &device);
324 if (ret)
325 return ret;
326
327 nvkm_device_del(&device);
328
329 /* Remove conflicting drivers (vesafb, efifb etc). */
330 aper = alloc_apertures(3);
331 if (!aper)
332 return -ENOMEM;
333
334 aper->ranges[0].base = pci_resource_start(pdev, 1);
335 aper->ranges[0].size = pci_resource_len(pdev, 1);
336 aper->count = 1;
337
338 if (pci_resource_len(pdev, 2)) {
339 aper->ranges[aper->count].base = pci_resource_start(pdev, 2);
340 aper->ranges[aper->count].size = pci_resource_len(pdev, 2);
341 aper->count++;
342 }
343
344 if (pci_resource_len(pdev, 3)) {
345 aper->ranges[aper->count].base = pci_resource_start(pdev, 3);
346 aper->ranges[aper->count].size = pci_resource_len(pdev, 3);
347 aper->count++;
348 }
349
350 #ifdef CONFIG_X86
351 boot = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
352 #endif
353 if (nouveau_modeset != 2)
354 remove_conflicting_framebuffers(aper, "nouveaufb", boot);
355 kfree(aper);
356
357 ret = nvkm_device_pci_new(pdev, nouveau_config, nouveau_debug,
358 true, true, ~0ULL, &device);
359 if (ret)
360 return ret;
361
362 pci_set_master(pdev);
363
364 ret = drm_get_pci_dev(pdev, pent, &driver_pci);
365 if (ret) {
366 nvkm_device_del(&device);
367 return ret;
368 }
369
370 return 0;
371 }
372
373 #define PCI_CLASS_MULTIMEDIA_HD_AUDIO 0x0403
374
375 static void
376 nouveau_get_hdmi_dev(struct nouveau_drm *drm)
377 {
378 struct pci_dev *pdev = drm->dev->pdev;
379
380 if (!pdev) {
381 NV_DEBUG(drm, "not a PCI device; no HDMI\n");
382 drm->hdmi_device = NULL;
383 return;
384 }
385
386 /* subfunction one is a hdmi audio device? */
387 drm->hdmi_device = pci_get_bus_and_slot((unsigned int)pdev->bus->number,
388 PCI_DEVFN(PCI_SLOT(pdev->devfn), 1));
389
390 if (!drm->hdmi_device) {
391 NV_DEBUG(drm, "hdmi device not found %d %d %d\n", pdev->bus->number, PCI_SLOT(pdev->devfn), 1);
392 return;
393 }
394
395 if ((drm->hdmi_device->class >> 8) != PCI_CLASS_MULTIMEDIA_HD_AUDIO) {
396 NV_DEBUG(drm, "possible hdmi device not audio %d\n", drm->hdmi_device->class);
397 pci_dev_put(drm->hdmi_device);
398 drm->hdmi_device = NULL;
399 return;
400 }
401 }
402
403 static int
404 nouveau_drm_load(struct drm_device *dev, unsigned long flags)
405 {
406 struct nouveau_drm *drm;
407 int ret;
408
409 ret = nouveau_cli_create(dev, "DRM", sizeof(*drm), (void **)&drm);
410 if (ret)
411 return ret;
412
413 dev->dev_private = drm;
414 drm->dev = dev;
415 nvxx_client(&drm->client.base)->debug =
416 nvkm_dbgopt(nouveau_debug, "DRM");
417
418 INIT_LIST_HEAD(&drm->clients);
419 spin_lock_init(&drm->tile.lock);
420
421 nouveau_get_hdmi_dev(drm);
422
423 ret = nvif_device_init(&drm->client.base.object, 0, NV_DEVICE,
424 &(struct nv_device_v0) {
425 .device = ~0,
426 }, sizeof(struct nv_device_v0),
427 &drm->device);
428 if (ret)
429 goto fail_device;
430
431 dev->irq_enabled = true;
432
433 /* workaround an odd issue on nvc1 by disabling the device's
434 * nosnoop capability. hopefully won't cause issues until a
435 * better fix is found - assuming there is one...
436 */
437 if (drm->device.info.chipset == 0xc1)
438 nvif_mask(&drm->device.object, 0x00088080, 0x00000800, 0x00000000);
439
440 nouveau_vga_init(drm);
441
442 if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
443 if (!nvxx_device(&drm->device)->mmu) {
444 ret = -ENOSYS;
445 goto fail_device;
446 }
447
448 ret = nvkm_vm_new(nvxx_device(&drm->device), 0, (1ULL << 40),
449 0x1000, NULL, &drm->client.vm);
450 if (ret)
451 goto fail_device;
452
453 nvxx_client(&drm->client.base)->vm = drm->client.vm;
454 }
455
456 ret = nouveau_ttm_init(drm);
457 if (ret)
458 goto fail_ttm;
459
460 ret = nouveau_bios_init(dev);
461 if (ret)
462 goto fail_bios;
463
464 ret = nouveau_display_create(dev);
465 if (ret)
466 goto fail_dispctor;
467
468 if (dev->mode_config.num_crtc) {
469 ret = nouveau_display_init(dev);
470 if (ret)
471 goto fail_dispinit;
472 }
473
474 nouveau_debugfs_init(drm);
475 nouveau_hwmon_init(dev);
476 nouveau_accel_init(drm);
477 nouveau_fbcon_init(dev);
478
479 if (nouveau_runtime_pm != 0) {
480 pm_runtime_use_autosuspend(dev->dev);
481 pm_runtime_set_autosuspend_delay(dev->dev, 5000);
482 pm_runtime_set_active(dev->dev);
483 pm_runtime_allow(dev->dev);
484 pm_runtime_mark_last_busy(dev->dev);
485 pm_runtime_put(dev->dev);
486 }
487 return 0;
488
489 fail_dispinit:
490 nouveau_display_destroy(dev);
491 fail_dispctor:
492 nouveau_bios_takedown(dev);
493 fail_bios:
494 nouveau_ttm_fini(drm);
495 fail_ttm:
496 nouveau_vga_fini(drm);
497 fail_device:
498 nvif_device_fini(&drm->device);
499 nouveau_cli_destroy(&drm->client);
500 return ret;
501 }
502
503 static int
504 nouveau_drm_unload(struct drm_device *dev)
505 {
506 struct nouveau_drm *drm = nouveau_drm(dev);
507
508 pm_runtime_get_sync(dev->dev);
509 nouveau_fbcon_fini(dev);
510 nouveau_accel_fini(drm);
511 nouveau_hwmon_fini(dev);
512 nouveau_debugfs_fini(drm);
513
514 if (dev->mode_config.num_crtc)
515 nouveau_display_fini(dev);
516 nouveau_display_destroy(dev);
517
518 nouveau_bios_takedown(dev);
519
520 nouveau_ttm_fini(drm);
521 nouveau_vga_fini(drm);
522
523 nvif_device_fini(&drm->device);
524 if (drm->hdmi_device)
525 pci_dev_put(drm->hdmi_device);
526 nouveau_cli_destroy(&drm->client);
527 return 0;
528 }
529
530 void
531 nouveau_drm_device_remove(struct drm_device *dev)
532 {
533 struct nouveau_drm *drm = nouveau_drm(dev);
534 struct nvkm_client *client;
535 struct nvkm_device *device;
536
537 dev->irq_enabled = false;
538 client = nvxx_client(&drm->client.base);
539 device = nvkm_device_find(client->device);
540 drm_put_dev(dev);
541
542 nvkm_device_del(&device);
543 }
544
545 static void
546 nouveau_drm_remove(struct pci_dev *pdev)
547 {
548 struct drm_device *dev = pci_get_drvdata(pdev);
549
550 nouveau_drm_device_remove(dev);
551 }
552
553 static int
554 nouveau_do_suspend(struct drm_device *dev, bool runtime)
555 {
556 struct nouveau_drm *drm = nouveau_drm(dev);
557 struct nouveau_cli *cli;
558 int ret;
559
560 if (dev->mode_config.num_crtc) {
561 NV_INFO(drm, "suspending console...\n");
562 nouveau_fbcon_set_suspend(dev, 1);
563 NV_INFO(drm, "suspending display...\n");
564 ret = nouveau_display_suspend(dev, runtime);
565 if (ret)
566 return ret;
567 }
568
569 NV_INFO(drm, "evicting buffers...\n");
570 ttm_bo_evict_mm(&drm->ttm.bdev, TTM_PL_VRAM);
571
572 NV_INFO(drm, "waiting for kernel channels to go idle...\n");
573 if (drm->cechan) {
574 ret = nouveau_channel_idle(drm->cechan);
575 if (ret)
576 goto fail_display;
577 }
578
579 if (drm->channel) {
580 ret = nouveau_channel_idle(drm->channel);
581 if (ret)
582 goto fail_display;
583 }
584
585 NV_INFO(drm, "suspending client object trees...\n");
586 if (drm->fence && nouveau_fence(drm)->suspend) {
587 if (!nouveau_fence(drm)->suspend(drm)) {
588 ret = -ENOMEM;
589 goto fail_display;
590 }
591 }
592
593 list_for_each_entry(cli, &drm->clients, head) {
594 ret = nvif_client_suspend(&cli->base);
595 if (ret)
596 goto fail_client;
597 }
598
599 NV_INFO(drm, "suspending kernel object tree...\n");
600 ret = nvif_client_suspend(&drm->client.base);
601 if (ret)
602 goto fail_client;
603
604 return 0;
605
606 fail_client:
607 list_for_each_entry_continue_reverse(cli, &drm->clients, head) {
608 nvif_client_resume(&cli->base);
609 }
610
611 if (drm->fence && nouveau_fence(drm)->resume)
612 nouveau_fence(drm)->resume(drm);
613
614 fail_display:
615 if (dev->mode_config.num_crtc) {
616 NV_INFO(drm, "resuming display...\n");
617 nouveau_display_resume(dev, runtime);
618 }
619 return ret;
620 }
621
622 static int
623 nouveau_do_resume(struct drm_device *dev, bool runtime)
624 {
625 struct nouveau_drm *drm = nouveau_drm(dev);
626 struct nouveau_cli *cli;
627
628 NV_INFO(drm, "resuming kernel object tree...\n");
629 nvif_client_resume(&drm->client.base);
630
631 NV_INFO(drm, "resuming client object trees...\n");
632 if (drm->fence && nouveau_fence(drm)->resume)
633 nouveau_fence(drm)->resume(drm);
634
635 list_for_each_entry(cli, &drm->clients, head) {
636 nvif_client_resume(&cli->base);
637 }
638
639 nouveau_run_vbios_init(dev);
640
641 if (dev->mode_config.num_crtc) {
642 NV_INFO(drm, "resuming display...\n");
643 nouveau_display_resume(dev, runtime);
644 NV_INFO(drm, "resuming console...\n");
645 nouveau_fbcon_set_suspend(dev, 0);
646 }
647
648 return 0;
649 }
650
651 int
652 nouveau_pmops_suspend(struct device *dev)
653 {
654 struct pci_dev *pdev = to_pci_dev(dev);
655 struct drm_device *drm_dev = pci_get_drvdata(pdev);
656 int ret;
657
658 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF ||
659 drm_dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF)
660 return 0;
661
662 ret = nouveau_do_suspend(drm_dev, false);
663 if (ret)
664 return ret;
665
666 pci_save_state(pdev);
667 pci_disable_device(pdev);
668 pci_set_power_state(pdev, PCI_D3hot);
669 udelay(200);
670 return 0;
671 }
672
673 int
674 nouveau_pmops_resume(struct device *dev)
675 {
676 struct pci_dev *pdev = to_pci_dev(dev);
677 struct drm_device *drm_dev = pci_get_drvdata(pdev);
678 int ret;
679
680 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF ||
681 drm_dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF)
682 return 0;
683
684 pci_set_power_state(pdev, PCI_D0);
685 pci_restore_state(pdev);
686 ret = pci_enable_device(pdev);
687 if (ret)
688 return ret;
689 pci_set_master(pdev);
690
691 return nouveau_do_resume(drm_dev, false);
692 }
693
694 static int
695 nouveau_pmops_freeze(struct device *dev)
696 {
697 struct pci_dev *pdev = to_pci_dev(dev);
698 struct drm_device *drm_dev = pci_get_drvdata(pdev);
699 return nouveau_do_suspend(drm_dev, false);
700 }
701
702 static int
703 nouveau_pmops_thaw(struct device *dev)
704 {
705 struct pci_dev *pdev = to_pci_dev(dev);
706 struct drm_device *drm_dev = pci_get_drvdata(pdev);
707 return nouveau_do_resume(drm_dev, false);
708 }
709
710 static int
711 nouveau_pmops_runtime_suspend(struct device *dev)
712 {
713 struct pci_dev *pdev = to_pci_dev(dev);
714 struct drm_device *drm_dev = pci_get_drvdata(pdev);
715 int ret;
716
717 if (nouveau_runtime_pm == 0) {
718 pm_runtime_forbid(dev);
719 return -EBUSY;
720 }
721
722 /* are we optimus enabled? */
723 if (nouveau_runtime_pm == -1 && !nouveau_is_optimus() && !nouveau_is_v1_dsm()) {
724 DRM_DEBUG_DRIVER("failing to power off - not optimus\n");
725 pm_runtime_forbid(dev);
726 return -EBUSY;
727 }
728
729 drm_kms_helper_poll_disable(drm_dev);
730 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF);
731 nouveau_switcheroo_optimus_dsm();
732 ret = nouveau_do_suspend(drm_dev, true);
733 pci_save_state(pdev);
734 pci_disable_device(pdev);
735 pci_ignore_hotplug(pdev);
736 pci_set_power_state(pdev, PCI_D3cold);
737 drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
738 return ret;
739 }
740
741 static int
742 nouveau_pmops_runtime_resume(struct device *dev)
743 {
744 struct pci_dev *pdev = to_pci_dev(dev);
745 struct drm_device *drm_dev = pci_get_drvdata(pdev);
746 struct nvif_device *device = &nouveau_drm(drm_dev)->device;
747 int ret;
748
749 if (nouveau_runtime_pm == 0)
750 return -EINVAL;
751
752 pci_set_power_state(pdev, PCI_D0);
753 pci_restore_state(pdev);
754 ret = pci_enable_device(pdev);
755 if (ret)
756 return ret;
757 pci_set_master(pdev);
758
759 ret = nouveau_do_resume(drm_dev, true);
760 drm_kms_helper_poll_enable(drm_dev);
761 /* do magic */
762 nvif_mask(&device->object, 0x088488, (1 << 25), (1 << 25));
763 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_ON);
764 drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
765 return ret;
766 }
767
768 static int
769 nouveau_pmops_runtime_idle(struct device *dev)
770 {
771 struct pci_dev *pdev = to_pci_dev(dev);
772 struct drm_device *drm_dev = pci_get_drvdata(pdev);
773 struct nouveau_drm *drm = nouveau_drm(drm_dev);
774 struct drm_crtc *crtc;
775
776 if (nouveau_runtime_pm == 0) {
777 pm_runtime_forbid(dev);
778 return -EBUSY;
779 }
780
781 /* are we optimus enabled? */
782 if (nouveau_runtime_pm == -1 && !nouveau_is_optimus() && !nouveau_is_v1_dsm()) {
783 DRM_DEBUG_DRIVER("failing to power off - not optimus\n");
784 pm_runtime_forbid(dev);
785 return -EBUSY;
786 }
787
788 /* if we have a hdmi audio device - make sure it has a driver loaded */
789 if (drm->hdmi_device) {
790 if (!drm->hdmi_device->driver) {
791 DRM_DEBUG_DRIVER("failing to power off - no HDMI audio driver loaded\n");
792 pm_runtime_mark_last_busy(dev);
793 return -EBUSY;
794 }
795 }
796
797 list_for_each_entry(crtc, &drm->dev->mode_config.crtc_list, head) {
798 if (crtc->enabled) {
799 DRM_DEBUG_DRIVER("failing to power off - crtc active\n");
800 return -EBUSY;
801 }
802 }
803 pm_runtime_mark_last_busy(dev);
804 pm_runtime_autosuspend(dev);
805 /* we don't want the main rpm_idle to call suspend - we want to autosuspend */
806 return 1;
807 }
808
809 static int
810 nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)
811 {
812 struct nouveau_drm *drm = nouveau_drm(dev);
813 struct nouveau_cli *cli;
814 char name[32], tmpname[TASK_COMM_LEN];
815 int ret;
816
817 /* need to bring up power immediately if opening device */
818 ret = pm_runtime_get_sync(dev->dev);
819 if (ret < 0 && ret != -EACCES)
820 return ret;
821
822 get_task_comm(tmpname, current);
823 snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid));
824
825 ret = nouveau_cli_create(dev, name, sizeof(*cli), (void **)&cli);
826
827 if (ret)
828 goto out_suspend;
829
830 cli->base.super = false;
831
832 if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
833 ret = nvkm_vm_new(nvxx_device(&drm->device), 0, (1ULL << 40),
834 0x1000, NULL, &cli->vm);
835 if (ret) {
836 nouveau_cli_destroy(cli);
837 goto out_suspend;
838 }
839
840 nvxx_client(&cli->base)->vm = cli->vm;
841 }
842
843 fpriv->driver_priv = cli;
844
845 mutex_lock(&drm->client.mutex);
846 list_add(&cli->head, &drm->clients);
847 mutex_unlock(&drm->client.mutex);
848
849 out_suspend:
850 pm_runtime_mark_last_busy(dev->dev);
851 pm_runtime_put_autosuspend(dev->dev);
852
853 return ret;
854 }
855
856 static void
857 nouveau_drm_preclose(struct drm_device *dev, struct drm_file *fpriv)
858 {
859 struct nouveau_cli *cli = nouveau_cli(fpriv);
860 struct nouveau_drm *drm = nouveau_drm(dev);
861
862 pm_runtime_get_sync(dev->dev);
863
864 mutex_lock(&cli->mutex);
865 if (cli->abi16)
866 nouveau_abi16_fini(cli->abi16);
867 mutex_unlock(&cli->mutex);
868
869 mutex_lock(&drm->client.mutex);
870 list_del(&cli->head);
871 mutex_unlock(&drm->client.mutex);
872
873 }
874
875 static void
876 nouveau_drm_postclose(struct drm_device *dev, struct drm_file *fpriv)
877 {
878 struct nouveau_cli *cli = nouveau_cli(fpriv);
879 nouveau_cli_destroy(cli);
880 pm_runtime_mark_last_busy(dev->dev);
881 pm_runtime_put_autosuspend(dev->dev);
882 }
883
884 static const struct drm_ioctl_desc
885 nouveau_ioctls[] = {
886 DRM_IOCTL_DEF_DRV(NOUVEAU_GETPARAM, nouveau_abi16_ioctl_getparam, DRM_AUTH|DRM_RENDER_ALLOW),
887 DRM_IOCTL_DEF_DRV(NOUVEAU_SETPARAM, nouveau_abi16_ioctl_setparam, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
888 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_ALLOC, nouveau_abi16_ioctl_channel_alloc, DRM_AUTH|DRM_RENDER_ALLOW),
889 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_FREE, nouveau_abi16_ioctl_channel_free, DRM_AUTH|DRM_RENDER_ALLOW),
890 DRM_IOCTL_DEF_DRV(NOUVEAU_GROBJ_ALLOC, nouveau_abi16_ioctl_grobj_alloc, DRM_AUTH|DRM_RENDER_ALLOW),
891 DRM_IOCTL_DEF_DRV(NOUVEAU_NOTIFIEROBJ_ALLOC, nouveau_abi16_ioctl_notifierobj_alloc, DRM_AUTH|DRM_RENDER_ALLOW),
892 DRM_IOCTL_DEF_DRV(NOUVEAU_GPUOBJ_FREE, nouveau_abi16_ioctl_gpuobj_free, DRM_AUTH|DRM_RENDER_ALLOW),
893 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_NEW, nouveau_gem_ioctl_new, DRM_AUTH|DRM_RENDER_ALLOW),
894 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_PUSHBUF, nouveau_gem_ioctl_pushbuf, DRM_AUTH|DRM_RENDER_ALLOW),
895 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_PREP, nouveau_gem_ioctl_cpu_prep, DRM_AUTH|DRM_RENDER_ALLOW),
896 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_FINI, nouveau_gem_ioctl_cpu_fini, DRM_AUTH|DRM_RENDER_ALLOW),
897 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_INFO, nouveau_gem_ioctl_info, DRM_AUTH|DRM_RENDER_ALLOW),
898 };
899
900 long
901 nouveau_drm_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
902 {
903 struct drm_file *filp = file->private_data;
904 struct drm_device *dev = filp->minor->dev;
905 long ret;
906
907 ret = pm_runtime_get_sync(dev->dev);
908 if (ret < 0 && ret != -EACCES)
909 return ret;
910
911 switch (_IOC_NR(cmd) - DRM_COMMAND_BASE) {
912 case DRM_NOUVEAU_NVIF:
913 ret = usif_ioctl(filp, (void __user *)arg, _IOC_SIZE(cmd));
914 break;
915 default:
916 ret = drm_ioctl(file, cmd, arg);
917 break;
918 }
919
920 pm_runtime_mark_last_busy(dev->dev);
921 pm_runtime_put_autosuspend(dev->dev);
922 return ret;
923 }
924
925 static const struct file_operations
926 nouveau_driver_fops = {
927 .owner = THIS_MODULE,
928 .open = drm_open,
929 .release = drm_release,
930 .unlocked_ioctl = nouveau_drm_ioctl,
931 .mmap = nouveau_ttm_mmap,
932 .poll = drm_poll,
933 .read = drm_read,
934 #if defined(CONFIG_COMPAT)
935 .compat_ioctl = nouveau_compat_ioctl,
936 #endif
937 .llseek = noop_llseek,
938 };
939
940 static struct drm_driver
941 driver_stub = {
942 .driver_features =
943 DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME | DRIVER_RENDER |
944 DRIVER_KMS_LEGACY_CONTEXT,
945
946 .load = nouveau_drm_load,
947 .unload = nouveau_drm_unload,
948 .open = nouveau_drm_open,
949 .preclose = nouveau_drm_preclose,
950 .postclose = nouveau_drm_postclose,
951 .lastclose = nouveau_vga_lastclose,
952
953 #if defined(CONFIG_DEBUG_FS)
954 .debugfs_init = nouveau_drm_debugfs_init,
955 .debugfs_cleanup = nouveau_drm_debugfs_cleanup,
956 #endif
957
958 .get_vblank_counter = drm_vblank_no_hw_counter,
959 .enable_vblank = nouveau_display_vblank_enable,
960 .disable_vblank = nouveau_display_vblank_disable,
961 .get_scanout_position = nouveau_display_scanoutpos,
962 .get_vblank_timestamp = nouveau_display_vblstamp,
963
964 .ioctls = nouveau_ioctls,
965 .num_ioctls = ARRAY_SIZE(nouveau_ioctls),
966 .fops = &nouveau_driver_fops,
967
968 .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
969 .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
970 .gem_prime_export = drm_gem_prime_export,
971 .gem_prime_import = drm_gem_prime_import,
972 .gem_prime_pin = nouveau_gem_prime_pin,
973 .gem_prime_res_obj = nouveau_gem_prime_res_obj,
974 .gem_prime_unpin = nouveau_gem_prime_unpin,
975 .gem_prime_get_sg_table = nouveau_gem_prime_get_sg_table,
976 .gem_prime_import_sg_table = nouveau_gem_prime_import_sg_table,
977 .gem_prime_vmap = nouveau_gem_prime_vmap,
978 .gem_prime_vunmap = nouveau_gem_prime_vunmap,
979
980 .gem_free_object_unlocked = nouveau_gem_object_del,
981 .gem_open_object = nouveau_gem_object_open,
982 .gem_close_object = nouveau_gem_object_close,
983
984 .dumb_create = nouveau_display_dumb_create,
985 .dumb_map_offset = nouveau_display_dumb_map_offset,
986 .dumb_destroy = drm_gem_dumb_destroy,
987
988 .name = DRIVER_NAME,
989 .desc = DRIVER_DESC,
990 #ifdef GIT_REVISION
991 .date = GIT_REVISION,
992 #else
993 .date = DRIVER_DATE,
994 #endif
995 .major = DRIVER_MAJOR,
996 .minor = DRIVER_MINOR,
997 .patchlevel = DRIVER_PATCHLEVEL,
998 };
999
1000 static struct pci_device_id
1001 nouveau_drm_pci_table[] = {
1002 {
1003 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
1004 .class = PCI_BASE_CLASS_DISPLAY << 16,
1005 .class_mask = 0xff << 16,
1006 },
1007 {
1008 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS, PCI_ANY_ID),
1009 .class = PCI_BASE_CLASS_DISPLAY << 16,
1010 .class_mask = 0xff << 16,
1011 },
1012 {}
1013 };
1014
1015 static void nouveau_display_options(void)
1016 {
1017 DRM_DEBUG_DRIVER("Loading Nouveau with parameters:\n");
1018
1019 DRM_DEBUG_DRIVER("... tv_disable : %d\n", nouveau_tv_disable);
1020 DRM_DEBUG_DRIVER("... ignorelid : %d\n", nouveau_ignorelid);
1021 DRM_DEBUG_DRIVER("... duallink : %d\n", nouveau_duallink);
1022 DRM_DEBUG_DRIVER("... nofbaccel : %d\n", nouveau_nofbaccel);
1023 DRM_DEBUG_DRIVER("... config : %s\n", nouveau_config);
1024 DRM_DEBUG_DRIVER("... debug : %s\n", nouveau_debug);
1025 DRM_DEBUG_DRIVER("... noaccel : %d\n", nouveau_noaccel);
1026 DRM_DEBUG_DRIVER("... modeset : %d\n", nouveau_modeset);
1027 DRM_DEBUG_DRIVER("... runpm : %d\n", nouveau_runtime_pm);
1028 DRM_DEBUG_DRIVER("... vram_pushbuf : %d\n", nouveau_vram_pushbuf);
1029 }
1030
1031 static const struct dev_pm_ops nouveau_pm_ops = {
1032 .suspend = nouveau_pmops_suspend,
1033 .resume = nouveau_pmops_resume,
1034 .freeze = nouveau_pmops_freeze,
1035 .thaw = nouveau_pmops_thaw,
1036 .poweroff = nouveau_pmops_freeze,
1037 .restore = nouveau_pmops_resume,
1038 .runtime_suspend = nouveau_pmops_runtime_suspend,
1039 .runtime_resume = nouveau_pmops_runtime_resume,
1040 .runtime_idle = nouveau_pmops_runtime_idle,
1041 };
1042
1043 static struct pci_driver
1044 nouveau_drm_pci_driver = {
1045 .name = "nouveau",
1046 .id_table = nouveau_drm_pci_table,
1047 .probe = nouveau_drm_probe,
1048 .remove = nouveau_drm_remove,
1049 .driver.pm = &nouveau_pm_ops,
1050 };
1051
1052 struct drm_device *
1053 nouveau_platform_device_create(const struct nvkm_device_tegra_func *func,
1054 struct platform_device *pdev,
1055 struct nvkm_device **pdevice)
1056 {
1057 struct drm_device *drm;
1058 int err;
1059
1060 err = nvkm_device_tegra_new(func, pdev, nouveau_config, nouveau_debug,
1061 true, true, ~0ULL, pdevice);
1062 if (err)
1063 goto err_free;
1064
1065 drm = drm_dev_alloc(&driver_platform, &pdev->dev);
1066 if (!drm) {
1067 err = -ENOMEM;
1068 goto err_free;
1069 }
1070
1071 drm->platformdev = pdev;
1072 platform_set_drvdata(pdev, drm);
1073
1074 return drm;
1075
1076 err_free:
1077 nvkm_device_del(pdevice);
1078
1079 return ERR_PTR(err);
1080 }
1081
1082 static int __init
1083 nouveau_drm_init(void)
1084 {
1085 driver_pci = driver_stub;
1086 driver_pci.set_busid = drm_pci_set_busid;
1087 driver_platform = driver_stub;
1088
1089 nouveau_display_options();
1090
1091 if (nouveau_modeset == -1) {
1092 if (vgacon_text_force())
1093 nouveau_modeset = 0;
1094 }
1095
1096 if (!nouveau_modeset)
1097 return 0;
1098
1099 #ifdef CONFIG_NOUVEAU_PLATFORM_DRIVER
1100 platform_driver_register(&nouveau_platform_driver);
1101 #endif
1102
1103 nouveau_register_dsm_handler();
1104 return drm_pci_init(&driver_pci, &nouveau_drm_pci_driver);
1105 }
1106
1107 static void __exit
1108 nouveau_drm_exit(void)
1109 {
1110 if (!nouveau_modeset)
1111 return;
1112
1113 drm_pci_exit(&driver_pci, &nouveau_drm_pci_driver);
1114 nouveau_unregister_dsm_handler();
1115
1116 #ifdef CONFIG_NOUVEAU_PLATFORM_DRIVER
1117 platform_driver_unregister(&nouveau_platform_driver);
1118 #endif
1119 }
1120
1121 module_init(nouveau_drm_init);
1122 module_exit(nouveau_drm_exit);
1123
1124 MODULE_DEVICE_TABLE(pci, nouveau_drm_pci_table);
1125 MODULE_AUTHOR(DRIVER_AUTHOR);
1126 MODULE_DESCRIPTION(DRIVER_DESC);
1127 MODULE_LICENSE("GPL and additional rights");
Linux kernel - Deliverables
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