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drm: make drm_dev_set_unique() not use a format string
[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 "nouveau_drm.h"
41 #include "nouveau_dma.h"
42 #include "nouveau_ttm.h"
43 #include "nouveau_gem.h"
44 #include "nouveau_vga.h"
45 #include "nouveau_sysfs.h"
46 #include "nouveau_hwmon.h"
47 #include "nouveau_acpi.h"
48 #include "nouveau_bios.h"
49 #include "nouveau_ioctl.h"
50 #include "nouveau_abi16.h"
51 #include "nouveau_fbcon.h"
52 #include "nouveau_fence.h"
53 #include "nouveau_debugfs.h"
54 #include "nouveau_usif.h"
55 #include "nouveau_connector.h"
56 #include "nouveau_platform.h"
57
58 MODULE_PARM_DESC(config, "option string to pass to driver core");
59 static char *nouveau_config;
60 module_param_named(config, nouveau_config, charp, 0400);
61
62 MODULE_PARM_DESC(debug, "debug string to pass to driver core");
63 static char *nouveau_debug;
64 module_param_named(debug, nouveau_debug, charp, 0400);
65
66 MODULE_PARM_DESC(noaccel, "disable kernel/abi16 acceleration");
67 static int nouveau_noaccel = 0;
68 module_param_named(noaccel, nouveau_noaccel, int, 0400);
69
70 MODULE_PARM_DESC(modeset, "enable driver (default: auto, "
71 "0 = disabled, 1 = enabled, 2 = headless)");
72 int nouveau_modeset = -1;
73 module_param_named(modeset, nouveau_modeset, int, 0400);
74
75 MODULE_PARM_DESC(runpm, "disable (0), force enable (1), optimus only default (-1)");
76 int nouveau_runtime_pm = -1;
77 module_param_named(runpm, nouveau_runtime_pm, int, 0400);
78
79 static struct drm_driver driver_stub;
80 static struct drm_driver driver_pci;
81 static struct drm_driver driver_platform;
82
83 static u64
84 nouveau_pci_name(struct pci_dev *pdev)
85 {
86 u64 name = (u64)pci_domain_nr(pdev->bus) << 32;
87 name |= pdev->bus->number << 16;
88 name |= PCI_SLOT(pdev->devfn) << 8;
89 return name | PCI_FUNC(pdev->devfn);
90 }
91
92 static u64
93 nouveau_platform_name(struct platform_device *platformdev)
94 {
95 return platformdev->id;
96 }
97
98 static u64
99 nouveau_name(struct drm_device *dev)
100 {
101 if (dev->pdev)
102 return nouveau_pci_name(dev->pdev);
103 else
104 return nouveau_platform_name(dev->platformdev);
105 }
106
107 static int
108 nouveau_cli_create(struct drm_device *dev, const char *sname,
109 int size, void **pcli)
110 {
111 struct nouveau_cli *cli = *pcli = kzalloc(size, GFP_KERNEL);
112 int ret;
113 if (cli) {
114 snprintf(cli->name, sizeof(cli->name), "%s", sname);
115 cli->dev = dev;
116
117 ret = nvif_client_init(NULL, cli->name, nouveau_name(dev),
118 nouveau_config, nouveau_debug,
119 &cli->base);
120 if (ret == 0) {
121 mutex_init(&cli->mutex);
122 usif_client_init(cli);
123 }
124 return ret;
125 }
126 return -ENOMEM;
127 }
128
129 static void
130 nouveau_cli_destroy(struct nouveau_cli *cli)
131 {
132 nvkm_vm_ref(NULL, &nvxx_client(&cli->base)->vm, NULL);
133 nvif_client_fini(&cli->base);
134 usif_client_fini(cli);
135 kfree(cli);
136 }
137
138 static void
139 nouveau_accel_fini(struct nouveau_drm *drm)
140 {
141 nouveau_channel_idle(drm->channel);
142 nvif_object_fini(&drm->ntfy);
143 nvkm_gpuobj_del(&drm->notify);
144 nvif_notify_fini(&drm->flip);
145 nvif_object_fini(&drm->nvsw);
146 nouveau_channel_del(&drm->channel);
147
148 nouveau_channel_idle(drm->cechan);
149 nvif_object_fini(&drm->ttm.copy);
150 nouveau_channel_del(&drm->cechan);
151
152 if (drm->fence)
153 nouveau_fence(drm)->dtor(drm);
154 }
155
156 static void
157 nouveau_accel_init(struct nouveau_drm *drm)
158 {
159 struct nvif_device *device = &drm->device;
160 struct nvif_sclass *sclass;
161 u32 arg0, arg1;
162 int ret, i, n;
163
164 if (nouveau_noaccel)
165 return;
166
167 /* initialise synchronisation routines */
168 /*XXX: this is crap, but the fence/channel stuff is a little
169 * backwards in some places. this will be fixed.
170 */
171 ret = n = nvif_object_sclass_get(&device->object, &sclass);
172 if (ret < 0)
173 return;
174
175 for (ret = -ENOSYS, i = 0; i < n; i++) {
176 switch (sclass[i].oclass) {
177 case NV03_CHANNEL_DMA:
178 ret = nv04_fence_create(drm);
179 break;
180 case NV10_CHANNEL_DMA:
181 ret = nv10_fence_create(drm);
182 break;
183 case NV17_CHANNEL_DMA:
184 case NV40_CHANNEL_DMA:
185 ret = nv17_fence_create(drm);
186 break;
187 case NV50_CHANNEL_GPFIFO:
188 ret = nv50_fence_create(drm);
189 break;
190 case G82_CHANNEL_GPFIFO:
191 ret = nv84_fence_create(drm);
192 break;
193 case FERMI_CHANNEL_GPFIFO:
194 case KEPLER_CHANNEL_GPFIFO_A:
195 case MAXWELL_CHANNEL_GPFIFO_A:
196 ret = nvc0_fence_create(drm);
197 break;
198 default:
199 break;
200 }
201 }
202
203 nvif_object_sclass_put(&sclass);
204 if (ret) {
205 NV_ERROR(drm, "failed to initialise sync subsystem, %d\n", ret);
206 nouveau_accel_fini(drm);
207 return;
208 }
209
210 if (device->info.family >= NV_DEVICE_INFO_V0_KEPLER) {
211 ret = nouveau_channel_new(drm, &drm->device,
212 KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_CE0|
213 KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_CE1,
214 0, &drm->cechan);
215 if (ret)
216 NV_ERROR(drm, "failed to create ce channel, %d\n", ret);
217
218 arg0 = KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_GR;
219 arg1 = 1;
220 } else
221 if (device->info.chipset >= 0xa3 &&
222 device->info.chipset != 0xaa &&
223 device->info.chipset != 0xac) {
224 ret = nouveau_channel_new(drm, &drm->device,
225 NvDmaFB, NvDmaTT, &drm->cechan);
226 if (ret)
227 NV_ERROR(drm, "failed to create ce channel, %d\n", ret);
228
229 arg0 = NvDmaFB;
230 arg1 = NvDmaTT;
231 } else {
232 arg0 = NvDmaFB;
233 arg1 = NvDmaTT;
234 }
235
236 ret = nouveau_channel_new(drm, &drm->device, arg0, arg1, &drm->channel);
237 if (ret) {
238 NV_ERROR(drm, "failed to create kernel channel, %d\n", ret);
239 nouveau_accel_fini(drm);
240 return;
241 }
242
243 ret = nvif_object_init(&drm->channel->user, NVDRM_NVSW,
244 nouveau_abi16_swclass(drm), NULL, 0, &drm->nvsw);
245 if (ret == 0) {
246 ret = RING_SPACE(drm->channel, 2);
247 if (ret == 0) {
248 if (device->info.family < NV_DEVICE_INFO_V0_FERMI) {
249 BEGIN_NV04(drm->channel, NvSubSw, 0, 1);
250 OUT_RING (drm->channel, NVDRM_NVSW);
251 } else
252 if (device->info.family < NV_DEVICE_INFO_V0_KEPLER) {
253 BEGIN_NVC0(drm->channel, FermiSw, 0, 1);
254 OUT_RING (drm->channel, 0x001f0000);
255 }
256 }
257
258 ret = nvif_notify_init(&drm->nvsw, nouveau_flip_complete,
259 false, NVSW_NTFY_UEVENT, NULL, 0, 0,
260 &drm->flip);
261 if (ret == 0)
262 ret = nvif_notify_get(&drm->flip);
263 if (ret) {
264 nouveau_accel_fini(drm);
265 return;
266 }
267 }
268
269 if (ret) {
270 NV_ERROR(drm, "failed to allocate software object, %d\n", ret);
271 nouveau_accel_fini(drm);
272 return;
273 }
274
275 if (device->info.family < NV_DEVICE_INFO_V0_FERMI) {
276 ret = nvkm_gpuobj_new(nvxx_device(&drm->device), 32, 0, false,
277 NULL, &drm->notify);
278 if (ret) {
279 NV_ERROR(drm, "failed to allocate notifier, %d\n", ret);
280 nouveau_accel_fini(drm);
281 return;
282 }
283
284 ret = nvif_object_init(&drm->channel->user, NvNotify0,
285 NV_DMA_IN_MEMORY,
286 &(struct nv_dma_v0) {
287 .target = NV_DMA_V0_TARGET_VRAM,
288 .access = NV_DMA_V0_ACCESS_RDWR,
289 .start = drm->notify->addr,
290 .limit = drm->notify->addr + 31
291 }, sizeof(struct nv_dma_v0),
292 &drm->ntfy);
293 if (ret) {
294 nouveau_accel_fini(drm);
295 return;
296 }
297 }
298
299
300 nouveau_bo_move_init(drm);
301 }
302
303 static int nouveau_drm_probe(struct pci_dev *pdev,
304 const struct pci_device_id *pent)
305 {
306 struct nvkm_device *device;
307 struct apertures_struct *aper;
308 bool boot = false;
309 int ret;
310
311 /* remove conflicting drivers (vesafb, efifb etc) */
312 aper = alloc_apertures(3);
313 if (!aper)
314 return -ENOMEM;
315
316 aper->ranges[0].base = pci_resource_start(pdev, 1);
317 aper->ranges[0].size = pci_resource_len(pdev, 1);
318 aper->count = 1;
319
320 if (pci_resource_len(pdev, 2)) {
321 aper->ranges[aper->count].base = pci_resource_start(pdev, 2);
322 aper->ranges[aper->count].size = pci_resource_len(pdev, 2);
323 aper->count++;
324 }
325
326 if (pci_resource_len(pdev, 3)) {
327 aper->ranges[aper->count].base = pci_resource_start(pdev, 3);
328 aper->ranges[aper->count].size = pci_resource_len(pdev, 3);
329 aper->count++;
330 }
331
332 #ifdef CONFIG_X86
333 boot = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
334 #endif
335 if (nouveau_modeset != 2)
336 remove_conflicting_framebuffers(aper, "nouveaufb", boot);
337 kfree(aper);
338
339 ret = nvkm_device_pci_new(pdev, nouveau_config, nouveau_debug,
340 true, true, ~0ULL, &device);
341 if (ret)
342 return ret;
343
344 pci_set_master(pdev);
345
346 ret = drm_get_pci_dev(pdev, pent, &driver_pci);
347 if (ret) {
348 nvkm_device_del(&device);
349 return ret;
350 }
351
352 return 0;
353 }
354
355 #define PCI_CLASS_MULTIMEDIA_HD_AUDIO 0x0403
356
357 static void
358 nouveau_get_hdmi_dev(struct nouveau_drm *drm)
359 {
360 struct pci_dev *pdev = drm->dev->pdev;
361
362 if (!pdev) {
363 DRM_INFO("not a PCI device; no HDMI\n");
364 drm->hdmi_device = NULL;
365 return;
366 }
367
368 /* subfunction one is a hdmi audio device? */
369 drm->hdmi_device = pci_get_bus_and_slot((unsigned int)pdev->bus->number,
370 PCI_DEVFN(PCI_SLOT(pdev->devfn), 1));
371
372 if (!drm->hdmi_device) {
373 NV_DEBUG(drm, "hdmi device not found %d %d %d\n", pdev->bus->number, PCI_SLOT(pdev->devfn), 1);
374 return;
375 }
376
377 if ((drm->hdmi_device->class >> 8) != PCI_CLASS_MULTIMEDIA_HD_AUDIO) {
378 NV_DEBUG(drm, "possible hdmi device not audio %d\n", drm->hdmi_device->class);
379 pci_dev_put(drm->hdmi_device);
380 drm->hdmi_device = NULL;
381 return;
382 }
383 }
384
385 static int
386 nouveau_drm_load(struct drm_device *dev, unsigned long flags)
387 {
388 struct nouveau_drm *drm;
389 int ret;
390
391 ret = nouveau_cli_create(dev, "DRM", sizeof(*drm), (void **)&drm);
392 if (ret)
393 return ret;
394
395 dev->dev_private = drm;
396 drm->dev = dev;
397 nvxx_client(&drm->client.base)->debug =
398 nvkm_dbgopt(nouveau_debug, "DRM");
399
400 INIT_LIST_HEAD(&drm->clients);
401 spin_lock_init(&drm->tile.lock);
402
403 nouveau_get_hdmi_dev(drm);
404
405 ret = nvif_device_init(&drm->client.base.object, 0, NV_DEVICE,
406 &(struct nv_device_v0) {
407 .device = ~0,
408 }, sizeof(struct nv_device_v0),
409 &drm->device);
410 if (ret)
411 goto fail_device;
412
413 dev->irq_enabled = true;
414
415 /* workaround an odd issue on nvc1 by disabling the device's
416 * nosnoop capability. hopefully won't cause issues until a
417 * better fix is found - assuming there is one...
418 */
419 if (drm->device.info.chipset == 0xc1)
420 nvif_mask(&drm->device.object, 0x00088080, 0x00000800, 0x00000000);
421
422 nouveau_vga_init(drm);
423
424 if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
425 ret = nvkm_vm_new(nvxx_device(&drm->device), 0, (1ULL << 40),
426 0x1000, NULL, &drm->client.vm);
427 if (ret)
428 goto fail_device;
429
430 nvxx_client(&drm->client.base)->vm = drm->client.vm;
431 }
432
433 ret = nouveau_ttm_init(drm);
434 if (ret)
435 goto fail_ttm;
436
437 ret = nouveau_bios_init(dev);
438 if (ret)
439 goto fail_bios;
440
441 ret = nouveau_display_create(dev);
442 if (ret)
443 goto fail_dispctor;
444
445 if (dev->mode_config.num_crtc) {
446 ret = nouveau_display_init(dev);
447 if (ret)
448 goto fail_dispinit;
449 }
450
451 nouveau_sysfs_init(dev);
452 nouveau_hwmon_init(dev);
453 nouveau_accel_init(drm);
454 nouveau_fbcon_init(dev);
455
456 if (nouveau_runtime_pm != 0) {
457 pm_runtime_use_autosuspend(dev->dev);
458 pm_runtime_set_autosuspend_delay(dev->dev, 5000);
459 pm_runtime_set_active(dev->dev);
460 pm_runtime_allow(dev->dev);
461 pm_runtime_mark_last_busy(dev->dev);
462 pm_runtime_put(dev->dev);
463 }
464 return 0;
465
466 fail_dispinit:
467 nouveau_display_destroy(dev);
468 fail_dispctor:
469 nouveau_bios_takedown(dev);
470 fail_bios:
471 nouveau_ttm_fini(drm);
472 fail_ttm:
473 nouveau_vga_fini(drm);
474 fail_device:
475 nvif_device_fini(&drm->device);
476 nouveau_cli_destroy(&drm->client);
477 return ret;
478 }
479
480 static int
481 nouveau_drm_unload(struct drm_device *dev)
482 {
483 struct nouveau_drm *drm = nouveau_drm(dev);
484
485 pm_runtime_get_sync(dev->dev);
486 nouveau_fbcon_fini(dev);
487 nouveau_accel_fini(drm);
488 nouveau_hwmon_fini(dev);
489 nouveau_sysfs_fini(dev);
490
491 if (dev->mode_config.num_crtc)
492 nouveau_display_fini(dev);
493 nouveau_display_destroy(dev);
494
495 nouveau_bios_takedown(dev);
496
497 nouveau_ttm_fini(drm);
498 nouveau_vga_fini(drm);
499
500 nvif_device_fini(&drm->device);
501 if (drm->hdmi_device)
502 pci_dev_put(drm->hdmi_device);
503 nouveau_cli_destroy(&drm->client);
504 return 0;
505 }
506
507 void
508 nouveau_drm_device_remove(struct drm_device *dev)
509 {
510 struct nouveau_drm *drm = nouveau_drm(dev);
511 struct nvkm_client *client;
512 struct nvkm_device *device;
513
514 dev->irq_enabled = false;
515 client = nvxx_client(&drm->client.base);
516 device = nvkm_device_find(client->device);
517 drm_put_dev(dev);
518
519 nvkm_device_del(&device);
520 }
521
522 static void
523 nouveau_drm_remove(struct pci_dev *pdev)
524 {
525 struct drm_device *dev = pci_get_drvdata(pdev);
526
527 nouveau_drm_device_remove(dev);
528 }
529
530 static int
531 nouveau_do_suspend(struct drm_device *dev, bool runtime)
532 {
533 struct nouveau_drm *drm = nouveau_drm(dev);
534 struct nouveau_cli *cli;
535 int ret;
536
537 if (dev->mode_config.num_crtc) {
538 NV_INFO(drm, "suspending console...\n");
539 nouveau_fbcon_set_suspend(dev, 1);
540 NV_INFO(drm, "suspending display...\n");
541 ret = nouveau_display_suspend(dev, runtime);
542 if (ret)
543 return ret;
544 }
545
546 NV_INFO(drm, "evicting buffers...\n");
547 ttm_bo_evict_mm(&drm->ttm.bdev, TTM_PL_VRAM);
548
549 NV_INFO(drm, "waiting for kernel channels to go idle...\n");
550 if (drm->cechan) {
551 ret = nouveau_channel_idle(drm->cechan);
552 if (ret)
553 goto fail_display;
554 }
555
556 if (drm->channel) {
557 ret = nouveau_channel_idle(drm->channel);
558 if (ret)
559 goto fail_display;
560 }
561
562 NV_INFO(drm, "suspending client object trees...\n");
563 if (drm->fence && nouveau_fence(drm)->suspend) {
564 if (!nouveau_fence(drm)->suspend(drm)) {
565 ret = -ENOMEM;
566 goto fail_display;
567 }
568 }
569
570 list_for_each_entry(cli, &drm->clients, head) {
571 ret = nvif_client_suspend(&cli->base);
572 if (ret)
573 goto fail_client;
574 }
575
576 NV_INFO(drm, "suspending kernel object tree...\n");
577 ret = nvif_client_suspend(&drm->client.base);
578 if (ret)
579 goto fail_client;
580
581 return 0;
582
583 fail_client:
584 list_for_each_entry_continue_reverse(cli, &drm->clients, head) {
585 nvif_client_resume(&cli->base);
586 }
587
588 if (drm->fence && nouveau_fence(drm)->resume)
589 nouveau_fence(drm)->resume(drm);
590
591 fail_display:
592 if (dev->mode_config.num_crtc) {
593 NV_INFO(drm, "resuming display...\n");
594 nouveau_display_resume(dev, runtime);
595 }
596 return ret;
597 }
598
599 static int
600 nouveau_do_resume(struct drm_device *dev, bool runtime)
601 {
602 struct nouveau_drm *drm = nouveau_drm(dev);
603 struct nouveau_cli *cli;
604
605 NV_INFO(drm, "resuming kernel object tree...\n");
606 nvif_client_resume(&drm->client.base);
607
608 NV_INFO(drm, "resuming client object trees...\n");
609 if (drm->fence && nouveau_fence(drm)->resume)
610 nouveau_fence(drm)->resume(drm);
611
612 list_for_each_entry(cli, &drm->clients, head) {
613 nvif_client_resume(&cli->base);
614 }
615
616 nouveau_run_vbios_init(dev);
617
618 if (dev->mode_config.num_crtc) {
619 NV_INFO(drm, "resuming display...\n");
620 nouveau_display_resume(dev, runtime);
621 NV_INFO(drm, "resuming console...\n");
622 nouveau_fbcon_set_suspend(dev, 0);
623 }
624
625 return 0;
626 }
627
628 int
629 nouveau_pmops_suspend(struct device *dev)
630 {
631 struct pci_dev *pdev = to_pci_dev(dev);
632 struct drm_device *drm_dev = pci_get_drvdata(pdev);
633 int ret;
634
635 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF ||
636 drm_dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF)
637 return 0;
638
639 ret = nouveau_do_suspend(drm_dev, false);
640 if (ret)
641 return ret;
642
643 pci_save_state(pdev);
644 pci_disable_device(pdev);
645 pci_set_power_state(pdev, PCI_D3hot);
646 udelay(200);
647 return 0;
648 }
649
650 int
651 nouveau_pmops_resume(struct device *dev)
652 {
653 struct pci_dev *pdev = to_pci_dev(dev);
654 struct drm_device *drm_dev = pci_get_drvdata(pdev);
655 int ret;
656
657 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF ||
658 drm_dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF)
659 return 0;
660
661 pci_set_power_state(pdev, PCI_D0);
662 pci_restore_state(pdev);
663 ret = pci_enable_device(pdev);
664 if (ret)
665 return ret;
666 pci_set_master(pdev);
667
668 return nouveau_do_resume(drm_dev, false);
669 }
670
671 static int
672 nouveau_pmops_freeze(struct device *dev)
673 {
674 struct pci_dev *pdev = to_pci_dev(dev);
675 struct drm_device *drm_dev = pci_get_drvdata(pdev);
676 return nouveau_do_suspend(drm_dev, false);
677 }
678
679 static int
680 nouveau_pmops_thaw(struct device *dev)
681 {
682 struct pci_dev *pdev = to_pci_dev(dev);
683 struct drm_device *drm_dev = pci_get_drvdata(pdev);
684 return nouveau_do_resume(drm_dev, false);
685 }
686
687 static int
688 nouveau_pmops_runtime_suspend(struct device *dev)
689 {
690 struct pci_dev *pdev = to_pci_dev(dev);
691 struct drm_device *drm_dev = pci_get_drvdata(pdev);
692 int ret;
693
694 if (nouveau_runtime_pm == 0) {
695 pm_runtime_forbid(dev);
696 return -EBUSY;
697 }
698
699 /* are we optimus enabled? */
700 if (nouveau_runtime_pm == -1 && !nouveau_is_optimus() && !nouveau_is_v1_dsm()) {
701 DRM_DEBUG_DRIVER("failing to power off - not optimus\n");
702 pm_runtime_forbid(dev);
703 return -EBUSY;
704 }
705
706 drm_kms_helper_poll_disable(drm_dev);
707 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF);
708 nouveau_switcheroo_optimus_dsm();
709 ret = nouveau_do_suspend(drm_dev, true);
710 pci_save_state(pdev);
711 pci_disable_device(pdev);
712 pci_ignore_hotplug(pdev);
713 pci_set_power_state(pdev, PCI_D3cold);
714 drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
715 return ret;
716 }
717
718 static int
719 nouveau_pmops_runtime_resume(struct device *dev)
720 {
721 struct pci_dev *pdev = to_pci_dev(dev);
722 struct drm_device *drm_dev = pci_get_drvdata(pdev);
723 struct nvif_device *device = &nouveau_drm(drm_dev)->device;
724 int ret;
725
726 if (nouveau_runtime_pm == 0)
727 return -EINVAL;
728
729 pci_set_power_state(pdev, PCI_D0);
730 pci_restore_state(pdev);
731 ret = pci_enable_device(pdev);
732 if (ret)
733 return ret;
734 pci_set_master(pdev);
735
736 ret = nouveau_do_resume(drm_dev, true);
737 drm_kms_helper_poll_enable(drm_dev);
738 /* do magic */
739 nvif_mask(&device->object, 0x088488, (1 << 25), (1 << 25));
740 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_ON);
741 drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
742 return ret;
743 }
744
745 static int
746 nouveau_pmops_runtime_idle(struct device *dev)
747 {
748 struct pci_dev *pdev = to_pci_dev(dev);
749 struct drm_device *drm_dev = pci_get_drvdata(pdev);
750 struct nouveau_drm *drm = nouveau_drm(drm_dev);
751 struct drm_crtc *crtc;
752
753 if (nouveau_runtime_pm == 0) {
754 pm_runtime_forbid(dev);
755 return -EBUSY;
756 }
757
758 /* are we optimus enabled? */
759 if (nouveau_runtime_pm == -1 && !nouveau_is_optimus() && !nouveau_is_v1_dsm()) {
760 DRM_DEBUG_DRIVER("failing to power off - not optimus\n");
761 pm_runtime_forbid(dev);
762 return -EBUSY;
763 }
764
765 /* if we have a hdmi audio device - make sure it has a driver loaded */
766 if (drm->hdmi_device) {
767 if (!drm->hdmi_device->driver) {
768 DRM_DEBUG_DRIVER("failing to power off - no HDMI audio driver loaded\n");
769 pm_runtime_mark_last_busy(dev);
770 return -EBUSY;
771 }
772 }
773
774 list_for_each_entry(crtc, &drm->dev->mode_config.crtc_list, head) {
775 if (crtc->enabled) {
776 DRM_DEBUG_DRIVER("failing to power off - crtc active\n");
777 return -EBUSY;
778 }
779 }
780 pm_runtime_mark_last_busy(dev);
781 pm_runtime_autosuspend(dev);
782 /* we don't want the main rpm_idle to call suspend - we want to autosuspend */
783 return 1;
784 }
785
786 static int
787 nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)
788 {
789 struct nouveau_drm *drm = nouveau_drm(dev);
790 struct nouveau_cli *cli;
791 char name[32], tmpname[TASK_COMM_LEN];
792 int ret;
793
794 /* need to bring up power immediately if opening device */
795 ret = pm_runtime_get_sync(dev->dev);
796 if (ret < 0 && ret != -EACCES)
797 return ret;
798
799 get_task_comm(tmpname, current);
800 snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid));
801
802 ret = nouveau_cli_create(dev, name, sizeof(*cli), (void **)&cli);
803
804 if (ret)
805 goto out_suspend;
806
807 cli->base.super = false;
808
809 if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
810 ret = nvkm_vm_new(nvxx_device(&drm->device), 0, (1ULL << 40),
811 0x1000, NULL, &cli->vm);
812 if (ret) {
813 nouveau_cli_destroy(cli);
814 goto out_suspend;
815 }
816
817 nvxx_client(&cli->base)->vm = cli->vm;
818 }
819
820 fpriv->driver_priv = cli;
821
822 mutex_lock(&drm->client.mutex);
823 list_add(&cli->head, &drm->clients);
824 mutex_unlock(&drm->client.mutex);
825
826 out_suspend:
827 pm_runtime_mark_last_busy(dev->dev);
828 pm_runtime_put_autosuspend(dev->dev);
829
830 return ret;
831 }
832
833 static void
834 nouveau_drm_preclose(struct drm_device *dev, struct drm_file *fpriv)
835 {
836 struct nouveau_cli *cli = nouveau_cli(fpriv);
837 struct nouveau_drm *drm = nouveau_drm(dev);
838
839 pm_runtime_get_sync(dev->dev);
840
841 mutex_lock(&cli->mutex);
842 if (cli->abi16)
843 nouveau_abi16_fini(cli->abi16);
844 mutex_unlock(&cli->mutex);
845
846 mutex_lock(&drm->client.mutex);
847 list_del(&cli->head);
848 mutex_unlock(&drm->client.mutex);
849
850 }
851
852 static void
853 nouveau_drm_postclose(struct drm_device *dev, struct drm_file *fpriv)
854 {
855 struct nouveau_cli *cli = nouveau_cli(fpriv);
856 nouveau_cli_destroy(cli);
857 pm_runtime_mark_last_busy(dev->dev);
858 pm_runtime_put_autosuspend(dev->dev);
859 }
860
861 static const struct drm_ioctl_desc
862 nouveau_ioctls[] = {
863 DRM_IOCTL_DEF_DRV(NOUVEAU_GETPARAM, nouveau_abi16_ioctl_getparam, DRM_AUTH|DRM_RENDER_ALLOW),
864 DRM_IOCTL_DEF_DRV(NOUVEAU_SETPARAM, nouveau_abi16_ioctl_setparam, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
865 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_ALLOC, nouveau_abi16_ioctl_channel_alloc, DRM_AUTH|DRM_RENDER_ALLOW),
866 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_FREE, nouveau_abi16_ioctl_channel_free, DRM_AUTH|DRM_RENDER_ALLOW),
867 DRM_IOCTL_DEF_DRV(NOUVEAU_GROBJ_ALLOC, nouveau_abi16_ioctl_grobj_alloc, DRM_AUTH|DRM_RENDER_ALLOW),
868 DRM_IOCTL_DEF_DRV(NOUVEAU_NOTIFIEROBJ_ALLOC, nouveau_abi16_ioctl_notifierobj_alloc, DRM_AUTH|DRM_RENDER_ALLOW),
869 DRM_IOCTL_DEF_DRV(NOUVEAU_GPUOBJ_FREE, nouveau_abi16_ioctl_gpuobj_free, DRM_AUTH|DRM_RENDER_ALLOW),
870 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_NEW, nouveau_gem_ioctl_new, DRM_AUTH|DRM_RENDER_ALLOW),
871 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_PUSHBUF, nouveau_gem_ioctl_pushbuf, DRM_AUTH|DRM_RENDER_ALLOW),
872 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_PREP, nouveau_gem_ioctl_cpu_prep, DRM_AUTH|DRM_RENDER_ALLOW),
873 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_FINI, nouveau_gem_ioctl_cpu_fini, DRM_AUTH|DRM_RENDER_ALLOW),
874 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_INFO, nouveau_gem_ioctl_info, DRM_AUTH|DRM_RENDER_ALLOW),
875 };
876
877 long
878 nouveau_drm_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
879 {
880 struct drm_file *filp = file->private_data;
881 struct drm_device *dev = filp->minor->dev;
882 long ret;
883
884 ret = pm_runtime_get_sync(dev->dev);
885 if (ret < 0 && ret != -EACCES)
886 return ret;
887
888 switch (_IOC_NR(cmd) - DRM_COMMAND_BASE) {
889 case DRM_NOUVEAU_NVIF:
890 ret = usif_ioctl(filp, (void __user *)arg, _IOC_SIZE(cmd));
891 break;
892 default:
893 ret = drm_ioctl(file, cmd, arg);
894 break;
895 }
896
897 pm_runtime_mark_last_busy(dev->dev);
898 pm_runtime_put_autosuspend(dev->dev);
899 return ret;
900 }
901
902 static const struct file_operations
903 nouveau_driver_fops = {
904 .owner = THIS_MODULE,
905 .open = drm_open,
906 .release = drm_release,
907 .unlocked_ioctl = nouveau_drm_ioctl,
908 .mmap = nouveau_ttm_mmap,
909 .poll = drm_poll,
910 .read = drm_read,
911 #if defined(CONFIG_COMPAT)
912 .compat_ioctl = nouveau_compat_ioctl,
913 #endif
914 .llseek = noop_llseek,
915 };
916
917 static struct drm_driver
918 driver_stub = {
919 .driver_features =
920 DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME | DRIVER_RENDER |
921 DRIVER_KMS_LEGACY_CONTEXT,
922
923 .load = nouveau_drm_load,
924 .unload = nouveau_drm_unload,
925 .open = nouveau_drm_open,
926 .preclose = nouveau_drm_preclose,
927 .postclose = nouveau_drm_postclose,
928 .lastclose = nouveau_vga_lastclose,
929
930 #if defined(CONFIG_DEBUG_FS)
931 .debugfs_init = nouveau_debugfs_init,
932 .debugfs_cleanup = nouveau_debugfs_takedown,
933 #endif
934
935 .get_vblank_counter = drm_vblank_no_hw_counter,
936 .enable_vblank = nouveau_display_vblank_enable,
937 .disable_vblank = nouveau_display_vblank_disable,
938 .get_scanout_position = nouveau_display_scanoutpos,
939 .get_vblank_timestamp = nouveau_display_vblstamp,
940
941 .ioctls = nouveau_ioctls,
942 .num_ioctls = ARRAY_SIZE(nouveau_ioctls),
943 .fops = &nouveau_driver_fops,
944
945 .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
946 .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
947 .gem_prime_export = drm_gem_prime_export,
948 .gem_prime_import = drm_gem_prime_import,
949 .gem_prime_pin = nouveau_gem_prime_pin,
950 .gem_prime_res_obj = nouveau_gem_prime_res_obj,
951 .gem_prime_unpin = nouveau_gem_prime_unpin,
952 .gem_prime_get_sg_table = nouveau_gem_prime_get_sg_table,
953 .gem_prime_import_sg_table = nouveau_gem_prime_import_sg_table,
954 .gem_prime_vmap = nouveau_gem_prime_vmap,
955 .gem_prime_vunmap = nouveau_gem_prime_vunmap,
956
957 .gem_free_object = nouveau_gem_object_del,
958 .gem_open_object = nouveau_gem_object_open,
959 .gem_close_object = nouveau_gem_object_close,
960
961 .dumb_create = nouveau_display_dumb_create,
962 .dumb_map_offset = nouveau_display_dumb_map_offset,
963 .dumb_destroy = drm_gem_dumb_destroy,
964
965 .name = DRIVER_NAME,
966 .desc = DRIVER_DESC,
967 #ifdef GIT_REVISION
968 .date = GIT_REVISION,
969 #else
970 .date = DRIVER_DATE,
971 #endif
972 .major = DRIVER_MAJOR,
973 .minor = DRIVER_MINOR,
974 .patchlevel = DRIVER_PATCHLEVEL,
975 };
976
977 static struct pci_device_id
978 nouveau_drm_pci_table[] = {
979 {
980 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
981 .class = PCI_BASE_CLASS_DISPLAY << 16,
982 .class_mask = 0xff << 16,
983 },
984 {
985 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS, PCI_ANY_ID),
986 .class = PCI_BASE_CLASS_DISPLAY << 16,
987 .class_mask = 0xff << 16,
988 },
989 {}
990 };
991
992 static void nouveau_display_options(void)
993 {
994 DRM_DEBUG_DRIVER("Loading Nouveau with parameters:\n");
995
996 DRM_DEBUG_DRIVER("... tv_disable : %d\n", nouveau_tv_disable);
997 DRM_DEBUG_DRIVER("... ignorelid : %d\n", nouveau_ignorelid);
998 DRM_DEBUG_DRIVER("... duallink : %d\n", nouveau_duallink);
999 DRM_DEBUG_DRIVER("... nofbaccel : %d\n", nouveau_nofbaccel);
1000 DRM_DEBUG_DRIVER("... config : %s\n", nouveau_config);
1001 DRM_DEBUG_DRIVER("... debug : %s\n", nouveau_debug);
1002 DRM_DEBUG_DRIVER("... noaccel : %d\n", nouveau_noaccel);
1003 DRM_DEBUG_DRIVER("... modeset : %d\n", nouveau_modeset);
1004 DRM_DEBUG_DRIVER("... runpm : %d\n", nouveau_runtime_pm);
1005 DRM_DEBUG_DRIVER("... vram_pushbuf : %d\n", nouveau_vram_pushbuf);
1006 DRM_DEBUG_DRIVER("... pstate : %d\n", nouveau_pstate);
1007 }
1008
1009 static const struct dev_pm_ops nouveau_pm_ops = {
1010 .suspend = nouveau_pmops_suspend,
1011 .resume = nouveau_pmops_resume,
1012 .freeze = nouveau_pmops_freeze,
1013 .thaw = nouveau_pmops_thaw,
1014 .poweroff = nouveau_pmops_freeze,
1015 .restore = nouveau_pmops_resume,
1016 .runtime_suspend = nouveau_pmops_runtime_suspend,
1017 .runtime_resume = nouveau_pmops_runtime_resume,
1018 .runtime_idle = nouveau_pmops_runtime_idle,
1019 };
1020
1021 static struct pci_driver
1022 nouveau_drm_pci_driver = {
1023 .name = "nouveau",
1024 .id_table = nouveau_drm_pci_table,
1025 .probe = nouveau_drm_probe,
1026 .remove = nouveau_drm_remove,
1027 .driver.pm = &nouveau_pm_ops,
1028 };
1029
1030 struct drm_device *
1031 nouveau_platform_device_create(const struct nvkm_device_tegra_func *func,
1032 struct platform_device *pdev,
1033 struct nvkm_device **pdevice)
1034 {
1035 struct drm_device *drm;
1036 int err;
1037
1038 err = nvkm_device_tegra_new(func, pdev, nouveau_config, nouveau_debug,
1039 true, true, ~0ULL, pdevice);
1040 if (err)
1041 goto err_free;
1042
1043 drm = drm_dev_alloc(&driver_platform, &pdev->dev);
1044 if (!drm) {
1045 err = -ENOMEM;
1046 goto err_free;
1047 }
1048
1049 err = drm_dev_set_unique(drm, dev_name(&pdev->dev));
1050 if (err < 0)
1051 goto err_free;
1052
1053 drm->platformdev = pdev;
1054 platform_set_drvdata(pdev, drm);
1055
1056 return drm;
1057
1058 err_free:
1059 nvkm_device_del(pdevice);
1060
1061 return ERR_PTR(err);
1062 }
1063
1064 static int __init
1065 nouveau_drm_init(void)
1066 {
1067 driver_pci = driver_stub;
1068 driver_pci.set_busid = drm_pci_set_busid;
1069 driver_platform = driver_stub;
1070 driver_platform.set_busid = drm_platform_set_busid;
1071
1072 nouveau_display_options();
1073
1074 if (nouveau_modeset == -1) {
1075 #ifdef CONFIG_VGA_CONSOLE
1076 if (vgacon_text_force())
1077 nouveau_modeset = 0;
1078 #endif
1079 }
1080
1081 if (!nouveau_modeset)
1082 return 0;
1083
1084 #ifdef CONFIG_NOUVEAU_PLATFORM_DRIVER
1085 platform_driver_register(&nouveau_platform_driver);
1086 #endif
1087
1088 nouveau_register_dsm_handler();
1089 return drm_pci_init(&driver_pci, &nouveau_drm_pci_driver);
1090 }
1091
1092 static void __exit
1093 nouveau_drm_exit(void)
1094 {
1095 if (!nouveau_modeset)
1096 return;
1097
1098 drm_pci_exit(&driver_pci, &nouveau_drm_pci_driver);
1099 nouveau_unregister_dsm_handler();
1100
1101 #ifdef CONFIG_NOUVEAU_PLATFORM_DRIVER
1102 platform_driver_unregister(&nouveau_platform_driver);
1103 #endif
1104 }
1105
1106 module_init(nouveau_drm_init);
1107 module_exit(nouveau_drm_exit);
1108
1109 MODULE_DEVICE_TABLE(pci, nouveau_drm_pci_table);
1110 MODULE_AUTHOR(DRIVER_AUTHOR);
1111 MODULE_DESCRIPTION(DRIVER_DESC);
1112 MODULE_LICENSE("GPL and additional rights");
Linux kernel - Deliverables
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