?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
sched: Remove double_rq_lock() from __migrate_task()
[linux/fpc-iii.git] / drivers / gpu / drm / nouveau / nouveau_drm.c
blob5425ffe3931dd84833d39816cc1b100397b1eaa4
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/module.h>
27 #include <linux/pci.h>
28 #include <linux/pm_runtime.h>
29 #include <linux/vga_switcheroo.h>
30 #include "drmP.h"
31 #include "drm_crtc_helper.h"
32 #include <core/device.h>
33 #include <core/client.h>
34 #include <core/gpuobj.h>
35 #include <core/class.h>
36 #include <core/option.h>
37
38 #include <engine/device.h>
39 #include <engine/disp.h>
40 #include <engine/fifo.h>
41 #include <engine/software.h>
42
43 #include <subdev/vm.h>
44
45 #include "nouveau_drm.h"
46 #include "nouveau_dma.h"
47 #include "nouveau_ttm.h"
48 #include "nouveau_gem.h"
49 #include "nouveau_agp.h"
50 #include "nouveau_vga.h"
51 #include "nouveau_sysfs.h"
52 #include "nouveau_hwmon.h"
53 #include "nouveau_acpi.h"
54 #include "nouveau_bios.h"
55 #include "nouveau_ioctl.h"
56 #include "nouveau_abi16.h"
57 #include "nouveau_fbcon.h"
58 #include "nouveau_fence.h"
59 #include "nouveau_debugfs.h"
60
61 MODULE_PARM_DESC(config, "option string to pass to driver core");
62 static char *nouveau_config;
63 module_param_named(config, nouveau_config, charp, 0400);
64
65 MODULE_PARM_DESC(debug, "debug string to pass to driver core");
66 static char *nouveau_debug;
67 module_param_named(debug, nouveau_debug, charp, 0400);
68
69 MODULE_PARM_DESC(noaccel, "disable kernel/abi16 acceleration");
70 static int nouveau_noaccel = 0;
71 module_param_named(noaccel, nouveau_noaccel, int, 0400);
72
73 MODULE_PARM_DESC(modeset, "enable driver (default: auto, "
74 "0 = disabled, 1 = enabled, 2 = headless)");
75 int nouveau_modeset = -1;
76 module_param_named(modeset, nouveau_modeset, int, 0400);
77
78 MODULE_PARM_DESC(runpm, "disable (0), force enable (1), optimus only default (-1)");
79 int nouveau_runtime_pm = -1;
80 module_param_named(runpm, nouveau_runtime_pm, int, 0400);
81
82 static struct drm_driver driver;
83
84 static u64
85 nouveau_pci_name(struct pci_dev *pdev)
86 {
87 u64 name = (u64)pci_domain_nr(pdev->bus) << 32;
88 name |= pdev->bus->number << 16;
89 name |= PCI_SLOT(pdev->devfn) << 8;
90 return name | PCI_FUNC(pdev->devfn);
91 }
92
93 static u64
94 nouveau_platform_name(struct platform_device *platformdev)
95 {
96 return platformdev->id;
97 }
98
99 static u64
100 nouveau_name(struct drm_device *dev)
101 {
102 if (dev->pdev)
103 return nouveau_pci_name(dev->pdev);
104 else
105 return nouveau_platform_name(dev->platformdev);
106 }
107
108 static int
109 nouveau_cli_create(u64 name, const char *sname,
110 int size, void **pcli)
111 {
112 struct nouveau_cli *cli;
113 int ret;
114
115 *pcli = NULL;
116 ret = nouveau_client_create_(sname, name, nouveau_config,
117 nouveau_debug, size, pcli);
118 cli = *pcli;
119 if (ret) {
120 if (cli)
121 nouveau_client_destroy(&cli->base);
122 *pcli = NULL;
123 return ret;
124 }
125
126 mutex_init(&cli->mutex);
127 return 0;
128 }
129
130 static void
131 nouveau_cli_destroy(struct nouveau_cli *cli)
132 {
133 struct nouveau_object *client = nv_object(cli);
134 nouveau_vm_ref(NULL, &cli->base.vm, NULL);
135 nouveau_client_fini(&cli->base, false);
136 atomic_set(&client->refcount, 1);
137 nouveau_object_ref(NULL, &client);
138 }
139
140 static void
141 nouveau_accel_fini(struct nouveau_drm *drm)
142 {
143 nouveau_gpuobj_ref(NULL, &drm->notify);
144 nouveau_channel_del(&drm->channel);
145 nouveau_channel_del(&drm->cechan);
146 if (drm->fence)
147 nouveau_fence(drm)->dtor(drm);
148 }
149
150 static void
151 nouveau_accel_init(struct nouveau_drm *drm)
152 {
153 struct nouveau_device *device = nv_device(drm->device);
154 struct nouveau_object *object;
155 u32 arg0, arg1;
156 int ret;
157
158 if (nouveau_noaccel || !nouveau_fifo(device) /*XXX*/)
159 return;
160
161 /* initialise synchronisation routines */
162 if (device->card_type < NV_10) ret = nv04_fence_create(drm);
163 else if (device->card_type < NV_11 ||
164 device->chipset < 0x17) ret = nv10_fence_create(drm);
165 else if (device->card_type < NV_50) ret = nv17_fence_create(drm);
166 else if (device->chipset < 0x84) ret = nv50_fence_create(drm);
167 else if (device->card_type < NV_C0) ret = nv84_fence_create(drm);
168 else ret = nvc0_fence_create(drm);
169 if (ret) {
170 NV_ERROR(drm, "failed to initialise sync subsystem, %d\n", ret);
171 nouveau_accel_fini(drm);
172 return;
173 }
174
175 if (device->card_type >= NV_E0) {
176 ret = nouveau_channel_new(drm, &drm->client, NVDRM_DEVICE,
177 NVDRM_CHAN + 1,
178 NVE0_CHANNEL_IND_ENGINE_CE0 |
179 NVE0_CHANNEL_IND_ENGINE_CE1, 0,
180 &drm->cechan);
181 if (ret)
182 NV_ERROR(drm, "failed to create ce channel, %d\n", ret);
183
184 arg0 = NVE0_CHANNEL_IND_ENGINE_GR;
185 arg1 = 1;
186 } else
187 if (device->chipset >= 0xa3 &&
188 device->chipset != 0xaa &&
189 device->chipset != 0xac) {
190 ret = nouveau_channel_new(drm, &drm->client, NVDRM_DEVICE,
191 NVDRM_CHAN + 1, NvDmaFB, NvDmaTT,
192 &drm->cechan);
193 if (ret)
194 NV_ERROR(drm, "failed to create ce channel, %d\n", ret);
195
196 arg0 = NvDmaFB;
197 arg1 = NvDmaTT;
198 } else {
199 arg0 = NvDmaFB;
200 arg1 = NvDmaTT;
201 }
202
203 ret = nouveau_channel_new(drm, &drm->client, NVDRM_DEVICE, NVDRM_CHAN,
204 arg0, arg1, &drm->channel);
205 if (ret) {
206 NV_ERROR(drm, "failed to create kernel channel, %d\n", ret);
207 nouveau_accel_fini(drm);
208 return;
209 }
210
211 ret = nouveau_object_new(nv_object(drm), NVDRM_CHAN, NVDRM_NVSW,
212 nouveau_abi16_swclass(drm), NULL, 0, &object);
213 if (ret == 0) {
214 struct nouveau_software_chan *swch = (void *)object->parent;
215 ret = RING_SPACE(drm->channel, 2);
216 if (ret == 0) {
217 if (device->card_type < NV_C0) {
218 BEGIN_NV04(drm->channel, NvSubSw, 0, 1);
219 OUT_RING (drm->channel, NVDRM_NVSW);
220 } else
221 if (device->card_type < NV_E0) {
222 BEGIN_NVC0(drm->channel, FermiSw, 0, 1);
223 OUT_RING (drm->channel, 0x001f0000);
224 }
225 }
226 swch = (void *)object->parent;
227 swch->flip = nouveau_flip_complete;
228 swch->flip_data = drm->channel;
229 }
230
231 if (ret) {
232 NV_ERROR(drm, "failed to allocate software object, %d\n", ret);
233 nouveau_accel_fini(drm);
234 return;
235 }
236
237 if (device->card_type < NV_C0) {
238 ret = nouveau_gpuobj_new(drm->device, NULL, 32, 0, 0,
239 &drm->notify);
240 if (ret) {
241 NV_ERROR(drm, "failed to allocate notifier, %d\n", ret);
242 nouveau_accel_fini(drm);
243 return;
244 }
245
246 ret = nouveau_object_new(nv_object(drm),
247 drm->channel->handle, NvNotify0,
248 0x003d, &(struct nv_dma_class) {
249 .flags = NV_DMA_TARGET_VRAM |
250 NV_DMA_ACCESS_RDWR,
251 .start = drm->notify->addr,
252 .limit = drm->notify->addr + 31
253 }, sizeof(struct nv_dma_class),
254 &object);
255 if (ret) {
256 nouveau_accel_fini(drm);
257 return;
258 }
259 }
260
261
262 nouveau_bo_move_init(drm);
263 }
264
265 static int nouveau_drm_probe(struct pci_dev *pdev,
266 const struct pci_device_id *pent)
267 {
268 struct nouveau_device *device;
269 struct apertures_struct *aper;
270 bool boot = false;
271 int ret;
272
273 /* remove conflicting drivers (vesafb, efifb etc) */
274 aper = alloc_apertures(3);
275 if (!aper)
276 return -ENOMEM;
277
278 aper->ranges[0].base = pci_resource_start(pdev, 1);
279 aper->ranges[0].size = pci_resource_len(pdev, 1);
280 aper->count = 1;
281
282 if (pci_resource_len(pdev, 2)) {
283 aper->ranges[aper->count].base = pci_resource_start(pdev, 2);
284 aper->ranges[aper->count].size = pci_resource_len(pdev, 2);
285 aper->count++;
286 }
287
288 if (pci_resource_len(pdev, 3)) {
289 aper->ranges[aper->count].base = pci_resource_start(pdev, 3);
290 aper->ranges[aper->count].size = pci_resource_len(pdev, 3);
291 aper->count++;
292 }
293
294 #ifdef CONFIG_X86
295 boot = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
296 #endif
297 remove_conflicting_framebuffers(aper, "nouveaufb", boot);
298 kfree(aper);
299
300 ret = nouveau_device_create(pdev, NOUVEAU_BUS_PCI,
301 nouveau_pci_name(pdev), pci_name(pdev),
302 nouveau_config, nouveau_debug, &device);
303 if (ret)
304 return ret;
305
306 pci_set_master(pdev);
307
308 ret = drm_get_pci_dev(pdev, pent, &driver);
309 if (ret) {
310 nouveau_object_ref(NULL, (struct nouveau_object **)&device);
311 return ret;
312 }
313
314 return 0;
315 }
316
317 #define PCI_CLASS_MULTIMEDIA_HD_AUDIO 0x0403
318
319 static void
320 nouveau_get_hdmi_dev(struct nouveau_drm *drm)
321 {
322 struct pci_dev *pdev = drm->dev->pdev;
323
324 if (!pdev) {
325 DRM_INFO("not a PCI device; no HDMI\n");
326 drm->hdmi_device = NULL;
327 return;
328 }
329
330 /* subfunction one is a hdmi audio device? */
331 drm->hdmi_device = pci_get_bus_and_slot((unsigned int)pdev->bus->number,
332 PCI_DEVFN(PCI_SLOT(pdev->devfn), 1));
333
334 if (!drm->hdmi_device) {
335 NV_DEBUG(drm, "hdmi device not found %d %d %d\n", pdev->bus->number, PCI_SLOT(pdev->devfn), 1);
336 return;
337 }
338
339 if ((drm->hdmi_device->class >> 8) != PCI_CLASS_MULTIMEDIA_HD_AUDIO) {
340 NV_DEBUG(drm, "possible hdmi device not audio %d\n", drm->hdmi_device->class);
341 pci_dev_put(drm->hdmi_device);
342 drm->hdmi_device = NULL;
343 return;
344 }
345 }
346
347 static int
348 nouveau_drm_load(struct drm_device *dev, unsigned long flags)
349 {
350 struct pci_dev *pdev = dev->pdev;
351 struct nouveau_device *device;
352 struct nouveau_drm *drm;
353 int ret;
354
355 ret = nouveau_cli_create(nouveau_name(dev), "DRM", sizeof(*drm),
356 (void **)&drm);
357 if (ret)
358 return ret;
359
360 dev->dev_private = drm;
361 drm->dev = dev;
362 nouveau_client(drm)->debug = nouveau_dbgopt(nouveau_debug, "DRM");
363
364 INIT_LIST_HEAD(&drm->clients);
365 spin_lock_init(&drm->tile.lock);
366
367 nouveau_get_hdmi_dev(drm);
368
369 /* make sure AGP controller is in a consistent state before we
370 * (possibly) execute vbios init tables (see nouveau_agp.h)
371 */
372 if (pdev && drm_pci_device_is_agp(dev) && dev->agp) {
373 /* dummy device object, doesn't init anything, but allows
374 * agp code access to registers
375 */
376 ret = nouveau_object_new(nv_object(drm), NVDRM_CLIENT,
377 NVDRM_DEVICE, 0x0080,
378 &(struct nv_device_class) {
379 .device = ~0,
380 .disable =
381 ~(NV_DEVICE_DISABLE_MMIO |
382 NV_DEVICE_DISABLE_IDENTIFY),
383 .debug0 = ~0,
384 }, sizeof(struct nv_device_class),
385 &drm->device);
386 if (ret)
387 goto fail_device;
388
389 nouveau_agp_reset(drm);
390 nouveau_object_del(nv_object(drm), NVDRM_CLIENT, NVDRM_DEVICE);
391 }
392
393 ret = nouveau_object_new(nv_object(drm), NVDRM_CLIENT, NVDRM_DEVICE,
394 0x0080, &(struct nv_device_class) {
395 .device = ~0,
396 .disable = 0,
397 .debug0 = 0,
398 }, sizeof(struct nv_device_class),
399 &drm->device);
400 if (ret)
401 goto fail_device;
402
403 dev->irq_enabled = true;
404
405 /* workaround an odd issue on nvc1 by disabling the device's
406 * nosnoop capability. hopefully won't cause issues until a
407 * better fix is found - assuming there is one...
408 */
409 device = nv_device(drm->device);
410 if (nv_device(drm->device)->chipset == 0xc1)
411 nv_mask(device, 0x00088080, 0x00000800, 0x00000000);
412
413 nouveau_vga_init(drm);
414 nouveau_agp_init(drm);
415
416 if (device->card_type >= NV_50) {
417 ret = nouveau_vm_new(nv_device(drm->device), 0, (1ULL << 40),
418 0x1000, &drm->client.base.vm);
419 if (ret)
420 goto fail_device;
421 }
422
423 ret = nouveau_ttm_init(drm);
424 if (ret)
425 goto fail_ttm;
426
427 ret = nouveau_bios_init(dev);
428 if (ret)
429 goto fail_bios;
430
431 ret = nouveau_display_create(dev);
432 if (ret)
433 goto fail_dispctor;
434
435 if (dev->mode_config.num_crtc) {
436 ret = nouveau_display_init(dev);
437 if (ret)
438 goto fail_dispinit;
439 }
440
441 nouveau_sysfs_init(dev);
442 nouveau_hwmon_init(dev);
443 nouveau_accel_init(drm);
444 nouveau_fbcon_init(dev);
445
446 if (nouveau_runtime_pm != 0) {
447 pm_runtime_use_autosuspend(dev->dev);
448 pm_runtime_set_autosuspend_delay(dev->dev, 5000);
449 pm_runtime_set_active(dev->dev);
450 pm_runtime_allow(dev->dev);
451 pm_runtime_mark_last_busy(dev->dev);
452 pm_runtime_put(dev->dev);
453 }
454 return 0;
455
456 fail_dispinit:
457 nouveau_display_destroy(dev);
458 fail_dispctor:
459 nouveau_bios_takedown(dev);
460 fail_bios:
461 nouveau_ttm_fini(drm);
462 fail_ttm:
463 nouveau_agp_fini(drm);
464 nouveau_vga_fini(drm);
465 fail_device:
466 nouveau_cli_destroy(&drm->client);
467 return ret;
468 }
469
470 static int
471 nouveau_drm_unload(struct drm_device *dev)
472 {
473 struct nouveau_drm *drm = nouveau_drm(dev);
474
475 pm_runtime_get_sync(dev->dev);
476 nouveau_fbcon_fini(dev);
477 nouveau_accel_fini(drm);
478 nouveau_hwmon_fini(dev);
479 nouveau_sysfs_fini(dev);
480
481 if (dev->mode_config.num_crtc)
482 nouveau_display_fini(dev);
483 nouveau_display_destroy(dev);
484
485 nouveau_bios_takedown(dev);
486
487 nouveau_ttm_fini(drm);
488 nouveau_agp_fini(drm);
489 nouveau_vga_fini(drm);
490
491 if (drm->hdmi_device)
492 pci_dev_put(drm->hdmi_device);
493 nouveau_cli_destroy(&drm->client);
494 return 0;
495 }
496
497 static void
498 nouveau_drm_remove(struct pci_dev *pdev)
499 {
500 struct drm_device *dev = pci_get_drvdata(pdev);
501 struct nouveau_drm *drm = nouveau_drm(dev);
502 struct nouveau_object *device;
503
504 dev->irq_enabled = false;
505 device = drm->client.base.device;
506 drm_put_dev(dev);
507
508 nouveau_object_ref(NULL, &device);
509 nouveau_object_debug();
510 }
511
512 static int
513 nouveau_do_suspend(struct drm_device *dev, bool runtime)
514 {
515 struct nouveau_drm *drm = nouveau_drm(dev);
516 struct nouveau_cli *cli;
517 int ret;
518
519 if (dev->mode_config.num_crtc && !runtime) {
520 NV_INFO(drm, "suspending display...\n");
521 ret = nouveau_display_suspend(dev);
522 if (ret)
523 return ret;
524 }
525
526 NV_INFO(drm, "evicting buffers...\n");
527 ttm_bo_evict_mm(&drm->ttm.bdev, TTM_PL_VRAM);
528
529 NV_INFO(drm, "waiting for kernel channels to go idle...\n");
530 if (drm->cechan) {
531 ret = nouveau_channel_idle(drm->cechan);
532 if (ret)
533 goto fail_display;
534 }
535
536 if (drm->channel) {
537 ret = nouveau_channel_idle(drm->channel);
538 if (ret)
539 goto fail_display;
540 }
541
542 NV_INFO(drm, "suspending client object trees...\n");
543 if (drm->fence && nouveau_fence(drm)->suspend) {
544 if (!nouveau_fence(drm)->suspend(drm)) {
545 ret = -ENOMEM;
546 goto fail_display;
547 }
548 }
549
550 list_for_each_entry(cli, &drm->clients, head) {
551 ret = nouveau_client_fini(&cli->base, true);
552 if (ret)
553 goto fail_client;
554 }
555
556 NV_INFO(drm, "suspending kernel object tree...\n");
557 ret = nouveau_client_fini(&drm->client.base, true);
558 if (ret)
559 goto fail_client;
560
561 nouveau_agp_fini(drm);
562 return 0;
563
564 fail_client:
565 list_for_each_entry_continue_reverse(cli, &drm->clients, head) {
566 nouveau_client_init(&cli->base);
567 }
568
569 if (drm->fence && nouveau_fence(drm)->resume)
570 nouveau_fence(drm)->resume(drm);
571
572 fail_display:
573 if (dev->mode_config.num_crtc) {
574 NV_INFO(drm, "resuming display...\n");
575 nouveau_display_resume(dev);
576 }
577 return ret;
578 }
579
580 int nouveau_pmops_suspend(struct device *dev)
581 {
582 struct pci_dev *pdev = to_pci_dev(dev);
583 struct drm_device *drm_dev = pci_get_drvdata(pdev);
584 int ret;
585
586 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF ||
587 drm_dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF)
588 return 0;
589
590 if (drm_dev->mode_config.num_crtc)
591 nouveau_fbcon_set_suspend(drm_dev, 1);
592
593 ret = nouveau_do_suspend(drm_dev, false);
594 if (ret)
595 return ret;
596
597 pci_save_state(pdev);
598 pci_disable_device(pdev);
599 pci_set_power_state(pdev, PCI_D3hot);
600 return 0;
601 }
602
603 static int
604 nouveau_do_resume(struct drm_device *dev)
605 {
606 struct nouveau_drm *drm = nouveau_drm(dev);
607 struct nouveau_cli *cli;
608
609 NV_INFO(drm, "re-enabling device...\n");
610
611 nouveau_agp_reset(drm);
612
613 NV_INFO(drm, "resuming kernel object tree...\n");
614 nouveau_client_init(&drm->client.base);
615 nouveau_agp_init(drm);
616
617 NV_INFO(drm, "resuming client object trees...\n");
618 if (drm->fence && nouveau_fence(drm)->resume)
619 nouveau_fence(drm)->resume(drm);
620
621 list_for_each_entry(cli, &drm->clients, head) {
622 nouveau_client_init(&cli->base);
623 }
624
625 nouveau_run_vbios_init(dev);
626
627 if (dev->mode_config.num_crtc) {
628 NV_INFO(drm, "resuming display...\n");
629 nouveau_display_repin(dev);
630 }
631
632 return 0;
633 }
634
635 int nouveau_pmops_resume(struct device *dev)
636 {
637 struct pci_dev *pdev = to_pci_dev(dev);
638 struct drm_device *drm_dev = pci_get_drvdata(pdev);
639 int ret;
640
641 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF ||
642 drm_dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF)
643 return 0;
644
645 pci_set_power_state(pdev, PCI_D0);
646 pci_restore_state(pdev);
647 ret = pci_enable_device(pdev);
648 if (ret)
649 return ret;
650 pci_set_master(pdev);
651
652 ret = nouveau_do_resume(drm_dev);
653 if (ret)
654 return ret;
655
656 if (drm_dev->mode_config.num_crtc) {
657 nouveau_display_resume(drm_dev);
658 nouveau_fbcon_set_suspend(drm_dev, 0);
659 }
660
661 return 0;
662 }
663
664 static int nouveau_pmops_freeze(struct device *dev)
665 {
666 struct pci_dev *pdev = to_pci_dev(dev);
667 struct drm_device *drm_dev = pci_get_drvdata(pdev);
668 int ret;
669
670 if (drm_dev->mode_config.num_crtc)
671 nouveau_fbcon_set_suspend(drm_dev, 1);
672
673 ret = nouveau_do_suspend(drm_dev, false);
674 return ret;
675 }
676
677 static int nouveau_pmops_thaw(struct device *dev)
678 {
679 struct pci_dev *pdev = to_pci_dev(dev);
680 struct drm_device *drm_dev = pci_get_drvdata(pdev);
681 int ret;
682
683 ret = nouveau_do_resume(drm_dev);
684 if (ret)
685 return ret;
686
687 if (drm_dev->mode_config.num_crtc) {
688 nouveau_display_resume(drm_dev);
689 nouveau_fbcon_set_suspend(drm_dev, 0);
690 }
691
692 return 0;
693 }
694
695
696 static int
697 nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)
698 {
699 struct nouveau_drm *drm = nouveau_drm(dev);
700 struct nouveau_cli *cli;
701 char name[32], tmpname[TASK_COMM_LEN];
702 int ret;
703
704 /* need to bring up power immediately if opening device */
705 ret = pm_runtime_get_sync(dev->dev);
706 if (ret < 0 && ret != -EACCES)
707 return ret;
708
709 get_task_comm(tmpname, current);
710 snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid));
711
712 ret = nouveau_cli_create(nouveau_name(dev), name, sizeof(*cli),
713 (void **)&cli);
714
715 if (ret)
716 goto out_suspend;
717
718 if (nv_device(drm->device)->card_type >= NV_50) {
719 ret = nouveau_vm_new(nv_device(drm->device), 0, (1ULL << 40),
720 0x1000, &cli->base.vm);
721 if (ret) {
722 nouveau_cli_destroy(cli);
723 goto out_suspend;
724 }
725 }
726
727 fpriv->driver_priv = cli;
728
729 mutex_lock(&drm->client.mutex);
730 list_add(&cli->head, &drm->clients);
731 mutex_unlock(&drm->client.mutex);
732
733 out_suspend:
734 pm_runtime_mark_last_busy(dev->dev);
735 pm_runtime_put_autosuspend(dev->dev);
736
737 return ret;
738 }
739
740 static void
741 nouveau_drm_preclose(struct drm_device *dev, struct drm_file *fpriv)
742 {
743 struct nouveau_cli *cli = nouveau_cli(fpriv);
744 struct nouveau_drm *drm = nouveau_drm(dev);
745
746 pm_runtime_get_sync(dev->dev);
747
748 if (cli->abi16)
749 nouveau_abi16_fini(cli->abi16);
750
751 mutex_lock(&drm->client.mutex);
752 list_del(&cli->head);
753 mutex_unlock(&drm->client.mutex);
754
755 }
756
757 static void
758 nouveau_drm_postclose(struct drm_device *dev, struct drm_file *fpriv)
759 {
760 struct nouveau_cli *cli = nouveau_cli(fpriv);
761 nouveau_cli_destroy(cli);
762 pm_runtime_mark_last_busy(dev->dev);
763 pm_runtime_put_autosuspend(dev->dev);
764 }
765
766 static const struct drm_ioctl_desc
767 nouveau_ioctls[] = {
768 DRM_IOCTL_DEF_DRV(NOUVEAU_GETPARAM, nouveau_abi16_ioctl_getparam, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
769 DRM_IOCTL_DEF_DRV(NOUVEAU_SETPARAM, nouveau_abi16_ioctl_setparam, DRM_UNLOCKED|DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
770 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_ALLOC, nouveau_abi16_ioctl_channel_alloc, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
771 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_FREE, nouveau_abi16_ioctl_channel_free, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
772 DRM_IOCTL_DEF_DRV(NOUVEAU_GROBJ_ALLOC, nouveau_abi16_ioctl_grobj_alloc, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
773 DRM_IOCTL_DEF_DRV(NOUVEAU_NOTIFIEROBJ_ALLOC, nouveau_abi16_ioctl_notifierobj_alloc, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
774 DRM_IOCTL_DEF_DRV(NOUVEAU_GPUOBJ_FREE, nouveau_abi16_ioctl_gpuobj_free, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
775 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_NEW, nouveau_gem_ioctl_new, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
776 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_PUSHBUF, nouveau_gem_ioctl_pushbuf, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
777 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_PREP, nouveau_gem_ioctl_cpu_prep, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
778 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_FINI, nouveau_gem_ioctl_cpu_fini, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
779 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_INFO, nouveau_gem_ioctl_info, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
780 };
781
782 long nouveau_drm_ioctl(struct file *filp,
783 unsigned int cmd, unsigned long arg)
784 {
785 struct drm_file *file_priv = filp->private_data;
786 struct drm_device *dev;
787 long ret;
788 dev = file_priv->minor->dev;
789
790 ret = pm_runtime_get_sync(dev->dev);
791 if (ret < 0 && ret != -EACCES)
792 return ret;
793
794 ret = drm_ioctl(filp, cmd, arg);
795
796 pm_runtime_mark_last_busy(dev->dev);
797 pm_runtime_put_autosuspend(dev->dev);
798 return ret;
799 }
800 static const struct file_operations
801 nouveau_driver_fops = {
802 .owner = THIS_MODULE,
803 .open = drm_open,
804 .release = drm_release,
805 .unlocked_ioctl = nouveau_drm_ioctl,
806 .mmap = nouveau_ttm_mmap,
807 .poll = drm_poll,
808 .read = drm_read,
809 #if defined(CONFIG_COMPAT)
810 .compat_ioctl = nouveau_compat_ioctl,
811 #endif
812 .llseek = noop_llseek,
813 };
814
815 static struct drm_driver
816 driver = {
817 .driver_features =
818 DRIVER_USE_AGP |
819 DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME | DRIVER_RENDER,
820
821 .load = nouveau_drm_load,
822 .unload = nouveau_drm_unload,
823 .open = nouveau_drm_open,
824 .preclose = nouveau_drm_preclose,
825 .postclose = nouveau_drm_postclose,
826 .lastclose = nouveau_vga_lastclose,
827
828 #if defined(CONFIG_DEBUG_FS)
829 .debugfs_init = nouveau_debugfs_init,
830 .debugfs_cleanup = nouveau_debugfs_takedown,
831 #endif
832
833 .get_vblank_counter = drm_vblank_count,
834 .enable_vblank = nouveau_display_vblank_enable,
835 .disable_vblank = nouveau_display_vblank_disable,
836 .get_scanout_position = nouveau_display_scanoutpos,
837 .get_vblank_timestamp = nouveau_display_vblstamp,
838
839 .ioctls = nouveau_ioctls,
840 .num_ioctls = ARRAY_SIZE(nouveau_ioctls),
841 .fops = &nouveau_driver_fops,
842
843 .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
844 .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
845 .gem_prime_export = drm_gem_prime_export,
846 .gem_prime_import = drm_gem_prime_import,
847 .gem_prime_pin = nouveau_gem_prime_pin,
848 .gem_prime_unpin = nouveau_gem_prime_unpin,
849 .gem_prime_get_sg_table = nouveau_gem_prime_get_sg_table,
850 .gem_prime_import_sg_table = nouveau_gem_prime_import_sg_table,
851 .gem_prime_vmap = nouveau_gem_prime_vmap,
852 .gem_prime_vunmap = nouveau_gem_prime_vunmap,
853
854 .gem_free_object = nouveau_gem_object_del,
855 .gem_open_object = nouveau_gem_object_open,
856 .gem_close_object = nouveau_gem_object_close,
857
858 .dumb_create = nouveau_display_dumb_create,
859 .dumb_map_offset = nouveau_display_dumb_map_offset,
860 .dumb_destroy = drm_gem_dumb_destroy,
861
862 .name = DRIVER_NAME,
863 .desc = DRIVER_DESC,
864 #ifdef GIT_REVISION
865 .date = GIT_REVISION,
866 #else
867 .date = DRIVER_DATE,
868 #endif
869 .major = DRIVER_MAJOR,
870 .minor = DRIVER_MINOR,
871 .patchlevel = DRIVER_PATCHLEVEL,
872 };
873
874 static struct pci_device_id
875 nouveau_drm_pci_table[] = {
876 {
877 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
878 .class = PCI_BASE_CLASS_DISPLAY << 16,
879 .class_mask = 0xff << 16,
880 },
881 {
882 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS, PCI_ANY_ID),
883 .class = PCI_BASE_CLASS_DISPLAY << 16,
884 .class_mask = 0xff << 16,
885 },
886 {}
887 };
888
889 static int nouveau_pmops_runtime_suspend(struct device *dev)
890 {
891 struct pci_dev *pdev = to_pci_dev(dev);
892 struct drm_device *drm_dev = pci_get_drvdata(pdev);
893 int ret;
894
895 if (nouveau_runtime_pm == 0) {
896 pm_runtime_forbid(dev);
897 return -EBUSY;
898 }
899
900 /* are we optimus enabled? */
901 if (nouveau_runtime_pm == -1 && !nouveau_is_optimus() && !nouveau_is_v1_dsm()) {
902 DRM_DEBUG_DRIVER("failing to power off - not optimus\n");
903 pm_runtime_forbid(dev);
904 return -EBUSY;
905 }
906
907 nv_debug_level(SILENT);
908 drm_kms_helper_poll_disable(drm_dev);
909 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF);
910 nouveau_switcheroo_optimus_dsm();
911 ret = nouveau_do_suspend(drm_dev, true);
912 pci_save_state(pdev);
913 pci_disable_device(pdev);
914 pci_set_power_state(pdev, PCI_D3cold);
915 drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
916 return ret;
917 }
918
919 static int nouveau_pmops_runtime_resume(struct device *dev)
920 {
921 struct pci_dev *pdev = to_pci_dev(dev);
922 struct drm_device *drm_dev = pci_get_drvdata(pdev);
923 struct nouveau_device *device = nouveau_dev(drm_dev);
924 int ret;
925
926 if (nouveau_runtime_pm == 0)
927 return -EINVAL;
928
929 pci_set_power_state(pdev, PCI_D0);
930 pci_restore_state(pdev);
931 ret = pci_enable_device(pdev);
932 if (ret)
933 return ret;
934 pci_set_master(pdev);
935
936 ret = nouveau_do_resume(drm_dev);
937 drm_kms_helper_poll_enable(drm_dev);
938 /* do magic */
939 nv_mask(device, 0x88488, (1 << 25), (1 << 25));
940 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_ON);
941 drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
942 nv_debug_level(NORMAL);
943 return ret;
944 }
945
946 static int nouveau_pmops_runtime_idle(struct device *dev)
947 {
948 struct pci_dev *pdev = to_pci_dev(dev);
949 struct drm_device *drm_dev = pci_get_drvdata(pdev);
950 struct nouveau_drm *drm = nouveau_drm(drm_dev);
951 struct drm_crtc *crtc;
952
953 if (nouveau_runtime_pm == 0) {
954 pm_runtime_forbid(dev);
955 return -EBUSY;
956 }
957
958 /* are we optimus enabled? */
959 if (nouveau_runtime_pm == -1 && !nouveau_is_optimus() && !nouveau_is_v1_dsm()) {
960 DRM_DEBUG_DRIVER("failing to power off - not optimus\n");
961 pm_runtime_forbid(dev);
962 return -EBUSY;
963 }
964
965 /* if we have a hdmi audio device - make sure it has a driver loaded */
966 if (drm->hdmi_device) {
967 if (!drm->hdmi_device->driver) {
968 DRM_DEBUG_DRIVER("failing to power off - no HDMI audio driver loaded\n");
969 pm_runtime_mark_last_busy(dev);
970 return -EBUSY;
971 }
972 }
973
974 list_for_each_entry(crtc, &drm->dev->mode_config.crtc_list, head) {
975 if (crtc->enabled) {
976 DRM_DEBUG_DRIVER("failing to power off - crtc active\n");
977 return -EBUSY;
978 }
979 }
980 pm_runtime_mark_last_busy(dev);
981 pm_runtime_autosuspend(dev);
982 /* we don't want the main rpm_idle to call suspend - we want to autosuspend */
983 return 1;
984 }
985
986 static const struct dev_pm_ops nouveau_pm_ops = {
987 .suspend = nouveau_pmops_suspend,
988 .resume = nouveau_pmops_resume,
989 .freeze = nouveau_pmops_freeze,
990 .thaw = nouveau_pmops_thaw,
991 .poweroff = nouveau_pmops_freeze,
992 .restore = nouveau_pmops_resume,
993 .runtime_suspend = nouveau_pmops_runtime_suspend,
994 .runtime_resume = nouveau_pmops_runtime_resume,
995 .runtime_idle = nouveau_pmops_runtime_idle,
996 };
997
998 static struct pci_driver
999 nouveau_drm_pci_driver = {
1000 .name = "nouveau",
1001 .id_table = nouveau_drm_pci_table,
1002 .probe = nouveau_drm_probe,
1003 .remove = nouveau_drm_remove,
1004 .driver.pm = &nouveau_pm_ops,
1005 };
1006
1007 int nouveau_drm_platform_probe(struct platform_device *pdev)
1008 {
1009 struct nouveau_device *device;
1010 int ret;
1011
1012 ret = nouveau_device_create(pdev, NOUVEAU_BUS_PLATFORM,
1013 nouveau_platform_name(pdev),
1014 dev_name(&pdev->dev), nouveau_config,
1015 nouveau_debug, &device);
1016
1017 ret = drm_platform_init(&driver, pdev);
1018 if (ret) {
1019 nouveau_object_ref(NULL, (struct nouveau_object **)&device);
1020 return ret;
1021 }
1022
1023 return ret;
1024 }
1025
1026 static int __init
1027 nouveau_drm_init(void)
1028 {
1029 if (nouveau_modeset == -1) {
1030 #ifdef CONFIG_VGA_CONSOLE
1031 if (vgacon_text_force())
1032 nouveau_modeset = 0;
1033 #endif
1034 }
1035
1036 if (!nouveau_modeset)
1037 return 0;
1038
1039 nouveau_register_dsm_handler();
1040 return drm_pci_init(&driver, &nouveau_drm_pci_driver);
1041 }
1042
1043 static void __exit
1044 nouveau_drm_exit(void)
1045 {
1046 if (!nouveau_modeset)
1047 return;
1048
1049 drm_pci_exit(&driver, &nouveau_drm_pci_driver);
1050 nouveau_unregister_dsm_handler();
1051 }
1052
1053 module_init(nouveau_drm_init);
1054 module_exit(nouveau_drm_exit);
1055
1056 MODULE_DEVICE_TABLE(pci, nouveau_drm_pci_table);
1057 MODULE_AUTHOR(DRIVER_AUTHOR);
1058 MODULE_DESCRIPTION(DRIVER_DESC);
1059 MODULE_LICENSE("GPL and additional rights");
Linux with added FPC-III support