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PM / sleep: Asynchronous threads for suspend_noirq
[linux/fpc-iii.git] / drivers / gpu / drm / nouveau / nouveau_drm.c
blob78c8e7146d56b2c5f7d189e372e542f4d9b43717
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
37 #include <engine/device.h>
38 #include <engine/disp.h>
39 #include <engine/fifo.h>
40 #include <engine/software.h>
41
42 #include <subdev/vm.h>
43
44 #include "nouveau_drm.h"
45 #include "nouveau_dma.h"
46 #include "nouveau_ttm.h"
47 #include "nouveau_gem.h"
48 #include "nouveau_agp.h"
49 #include "nouveau_vga.h"
50 #include "nouveau_sysfs.h"
51 #include "nouveau_hwmon.h"
52 #include "nouveau_acpi.h"
53 #include "nouveau_bios.h"
54 #include "nouveau_ioctl.h"
55 #include "nouveau_abi16.h"
56 #include "nouveau_fbcon.h"
57 #include "nouveau_fence.h"
58 #include "nouveau_debugfs.h"
59
60 MODULE_PARM_DESC(config, "option string to pass to driver core");
61 static char *nouveau_config;
62 module_param_named(config, nouveau_config, charp, 0400);
63
64 MODULE_PARM_DESC(debug, "debug string to pass to driver core");
65 static char *nouveau_debug;
66 module_param_named(debug, nouveau_debug, charp, 0400);
67
68 MODULE_PARM_DESC(noaccel, "disable kernel/abi16 acceleration");
69 static int nouveau_noaccel = 0;
70 module_param_named(noaccel, nouveau_noaccel, int, 0400);
71
72 MODULE_PARM_DESC(modeset, "enable driver (default: auto, "
73 "0 = disabled, 1 = enabled, 2 = headless)");
74 int nouveau_modeset = -1;
75 module_param_named(modeset, nouveau_modeset, int, 0400);
76
77 MODULE_PARM_DESC(runpm, "disable (0), force enable (1), optimus only default (-1)");
78 int nouveau_runtime_pm = -1;
79 module_param_named(runpm, nouveau_runtime_pm, int, 0400);
80
81 static struct drm_driver driver;
82
83 static u64
84 nouveau_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 int
93 nouveau_cli_create(struct pci_dev *pdev, const char *name,
94 int size, void **pcli)
95 {
96 struct nouveau_cli *cli;
97 int ret;
98
99 *pcli = NULL;
100 ret = nouveau_client_create_(name, nouveau_name(pdev), nouveau_config,
101 nouveau_debug, size, pcli);
102 cli = *pcli;
103 if (ret) {
104 if (cli)
105 nouveau_client_destroy(&cli->base);
106 *pcli = NULL;
107 return ret;
108 }
109
110 mutex_init(&cli->mutex);
111 return 0;
112 }
113
114 static void
115 nouveau_cli_destroy(struct nouveau_cli *cli)
116 {
117 struct nouveau_object *client = nv_object(cli);
118 nouveau_vm_ref(NULL, &cli->base.vm, NULL);
119 nouveau_client_fini(&cli->base, false);
120 atomic_set(&client->refcount, 1);
121 nouveau_object_ref(NULL, &client);
122 }
123
124 static void
125 nouveau_accel_fini(struct nouveau_drm *drm)
126 {
127 nouveau_gpuobj_ref(NULL, &drm->notify);
128 nouveau_channel_del(&drm->channel);
129 nouveau_channel_del(&drm->cechan);
130 if (drm->fence)
131 nouveau_fence(drm)->dtor(drm);
132 }
133
134 static void
135 nouveau_accel_init(struct nouveau_drm *drm)
136 {
137 struct nouveau_device *device = nv_device(drm->device);
138 struct nouveau_object *object;
139 u32 arg0, arg1;
140 int ret;
141
142 if (nouveau_noaccel || !nouveau_fifo(device) /*XXX*/)
143 return;
144
145 /* initialise synchronisation routines */
146 if (device->card_type < NV_10) ret = nv04_fence_create(drm);
147 else if (device->card_type < NV_11 ||
148 device->chipset < 0x17) ret = nv10_fence_create(drm);
149 else if (device->card_type < NV_50) ret = nv17_fence_create(drm);
150 else if (device->chipset < 0x84) ret = nv50_fence_create(drm);
151 else if (device->card_type < NV_C0) ret = nv84_fence_create(drm);
152 else ret = nvc0_fence_create(drm);
153 if (ret) {
154 NV_ERROR(drm, "failed to initialise sync subsystem, %d\n", ret);
155 nouveau_accel_fini(drm);
156 return;
157 }
158
159 if (device->card_type >= NV_E0) {
160 ret = nouveau_channel_new(drm, &drm->client, NVDRM_DEVICE,
161 NVDRM_CHAN + 1,
162 NVE0_CHANNEL_IND_ENGINE_CE0 |
163 NVE0_CHANNEL_IND_ENGINE_CE1, 0,
164 &drm->cechan);
165 if (ret)
166 NV_ERROR(drm, "failed to create ce channel, %d\n", ret);
167
168 arg0 = NVE0_CHANNEL_IND_ENGINE_GR;
169 arg1 = 1;
170 } else
171 if (device->chipset >= 0xa3 &&
172 device->chipset != 0xaa &&
173 device->chipset != 0xac) {
174 ret = nouveau_channel_new(drm, &drm->client, NVDRM_DEVICE,
175 NVDRM_CHAN + 1, NvDmaFB, NvDmaTT,
176 &drm->cechan);
177 if (ret)
178 NV_ERROR(drm, "failed to create ce channel, %d\n", ret);
179
180 arg0 = NvDmaFB;
181 arg1 = NvDmaTT;
182 } else {
183 arg0 = NvDmaFB;
184 arg1 = NvDmaTT;
185 }
186
187 ret = nouveau_channel_new(drm, &drm->client, NVDRM_DEVICE, NVDRM_CHAN,
188 arg0, arg1, &drm->channel);
189 if (ret) {
190 NV_ERROR(drm, "failed to create kernel channel, %d\n", ret);
191 nouveau_accel_fini(drm);
192 return;
193 }
194
195 ret = nouveau_object_new(nv_object(drm), NVDRM_CHAN, NVDRM_NVSW,
196 nouveau_abi16_swclass(drm), NULL, 0, &object);
197 if (ret == 0) {
198 struct nouveau_software_chan *swch = (void *)object->parent;
199 ret = RING_SPACE(drm->channel, 2);
200 if (ret == 0) {
201 if (device->card_type < NV_C0) {
202 BEGIN_NV04(drm->channel, NvSubSw, 0, 1);
203 OUT_RING (drm->channel, NVDRM_NVSW);
204 } else
205 if (device->card_type < NV_E0) {
206 BEGIN_NVC0(drm->channel, FermiSw, 0, 1);
207 OUT_RING (drm->channel, 0x001f0000);
208 }
209 }
210 swch = (void *)object->parent;
211 swch->flip = nouveau_flip_complete;
212 swch->flip_data = drm->channel;
213 }
214
215 if (ret) {
216 NV_ERROR(drm, "failed to allocate software object, %d\n", ret);
217 nouveau_accel_fini(drm);
218 return;
219 }
220
221 if (device->card_type < NV_C0) {
222 ret = nouveau_gpuobj_new(drm->device, NULL, 32, 0, 0,
223 &drm->notify);
224 if (ret) {
225 NV_ERROR(drm, "failed to allocate notifier, %d\n", ret);
226 nouveau_accel_fini(drm);
227 return;
228 }
229
230 ret = nouveau_object_new(nv_object(drm),
231 drm->channel->handle, NvNotify0,
232 0x003d, &(struct nv_dma_class) {
233 .flags = NV_DMA_TARGET_VRAM |
234 NV_DMA_ACCESS_RDWR,
235 .start = drm->notify->addr,
236 .limit = drm->notify->addr + 31
237 }, sizeof(struct nv_dma_class),
238 &object);
239 if (ret) {
240 nouveau_accel_fini(drm);
241 return;
242 }
243 }
244
245
246 nouveau_bo_move_init(drm);
247 }
248
249 static int nouveau_drm_probe(struct pci_dev *pdev,
250 const struct pci_device_id *pent)
251 {
252 struct nouveau_device *device;
253 struct apertures_struct *aper;
254 bool boot = false;
255 int ret;
256
257 /* remove conflicting drivers (vesafb, efifb etc) */
258 aper = alloc_apertures(3);
259 if (!aper)
260 return -ENOMEM;
261
262 aper->ranges[0].base = pci_resource_start(pdev, 1);
263 aper->ranges[0].size = pci_resource_len(pdev, 1);
264 aper->count = 1;
265
266 if (pci_resource_len(pdev, 2)) {
267 aper->ranges[aper->count].base = pci_resource_start(pdev, 2);
268 aper->ranges[aper->count].size = pci_resource_len(pdev, 2);
269 aper->count++;
270 }
271
272 if (pci_resource_len(pdev, 3)) {
273 aper->ranges[aper->count].base = pci_resource_start(pdev, 3);
274 aper->ranges[aper->count].size = pci_resource_len(pdev, 3);
275 aper->count++;
276 }
277
278 #ifdef CONFIG_X86
279 boot = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
280 #endif
281 remove_conflicting_framebuffers(aper, "nouveaufb", boot);
282 kfree(aper);
283
284 ret = nouveau_device_create(pdev, nouveau_name(pdev), pci_name(pdev),
285 nouveau_config, nouveau_debug, &device);
286 if (ret)
287 return ret;
288
289 pci_set_master(pdev);
290
291 ret = drm_get_pci_dev(pdev, pent, &driver);
292 if (ret) {
293 nouveau_object_ref(NULL, (struct nouveau_object **)&device);
294 return ret;
295 }
296
297 return 0;
298 }
299
300 #define PCI_CLASS_MULTIMEDIA_HD_AUDIO 0x0403
301
302 static void
303 nouveau_get_hdmi_dev(struct drm_device *dev)
304 {
305 struct nouveau_drm *drm = dev->dev_private;
306 struct pci_dev *pdev = dev->pdev;
307
308 /* subfunction one is a hdmi audio device? */
309 drm->hdmi_device = pci_get_bus_and_slot((unsigned int)pdev->bus->number,
310 PCI_DEVFN(PCI_SLOT(pdev->devfn), 1));
311
312 if (!drm->hdmi_device) {
313 DRM_INFO("hdmi device not found %d %d %d\n", pdev->bus->number, PCI_SLOT(pdev->devfn), 1);
314 return;
315 }
316
317 if ((drm->hdmi_device->class >> 8) != PCI_CLASS_MULTIMEDIA_HD_AUDIO) {
318 DRM_INFO("possible hdmi device not audio %d\n", drm->hdmi_device->class);
319 pci_dev_put(drm->hdmi_device);
320 drm->hdmi_device = NULL;
321 return;
322 }
323 }
324
325 static int
326 nouveau_drm_load(struct drm_device *dev, unsigned long flags)
327 {
328 struct pci_dev *pdev = dev->pdev;
329 struct nouveau_device *device;
330 struct nouveau_drm *drm;
331 int ret;
332
333 ret = nouveau_cli_create(pdev, "DRM", sizeof(*drm), (void**)&drm);
334 if (ret)
335 return ret;
336
337 dev->dev_private = drm;
338 drm->dev = dev;
339
340 INIT_LIST_HEAD(&drm->clients);
341 spin_lock_init(&drm->tile.lock);
342
343 nouveau_get_hdmi_dev(dev);
344
345 /* make sure AGP controller is in a consistent state before we
346 * (possibly) execute vbios init tables (see nouveau_agp.h)
347 */
348 if (drm_pci_device_is_agp(dev) && dev->agp) {
349 /* dummy device object, doesn't init anything, but allows
350 * agp code access to registers
351 */
352 ret = nouveau_object_new(nv_object(drm), NVDRM_CLIENT,
353 NVDRM_DEVICE, 0x0080,
354 &(struct nv_device_class) {
355 .device = ~0,
356 .disable =
357 ~(NV_DEVICE_DISABLE_MMIO |
358 NV_DEVICE_DISABLE_IDENTIFY),
359 .debug0 = ~0,
360 }, sizeof(struct nv_device_class),
361 &drm->device);
362 if (ret)
363 goto fail_device;
364
365 nouveau_agp_reset(drm);
366 nouveau_object_del(nv_object(drm), NVDRM_CLIENT, NVDRM_DEVICE);
367 }
368
369 ret = nouveau_object_new(nv_object(drm), NVDRM_CLIENT, NVDRM_DEVICE,
370 0x0080, &(struct nv_device_class) {
371 .device = ~0,
372 .disable = 0,
373 .debug0 = 0,
374 }, sizeof(struct nv_device_class),
375 &drm->device);
376 if (ret)
377 goto fail_device;
378
379 /* workaround an odd issue on nvc1 by disabling the device's
380 * nosnoop capability. hopefully won't cause issues until a
381 * better fix is found - assuming there is one...
382 */
383 device = nv_device(drm->device);
384 if (nv_device(drm->device)->chipset == 0xc1)
385 nv_mask(device, 0x00088080, 0x00000800, 0x00000000);
386
387 nouveau_vga_init(drm);
388 nouveau_agp_init(drm);
389
390 if (device->card_type >= NV_50) {
391 ret = nouveau_vm_new(nv_device(drm->device), 0, (1ULL << 40),
392 0x1000, &drm->client.base.vm);
393 if (ret)
394 goto fail_device;
395 }
396
397 ret = nouveau_ttm_init(drm);
398 if (ret)
399 goto fail_ttm;
400
401 ret = nouveau_bios_init(dev);
402 if (ret)
403 goto fail_bios;
404
405 ret = nouveau_display_create(dev);
406 if (ret)
407 goto fail_dispctor;
408
409 if (dev->mode_config.num_crtc) {
410 ret = nouveau_display_init(dev);
411 if (ret)
412 goto fail_dispinit;
413 }
414
415 nouveau_sysfs_init(dev);
416 nouveau_hwmon_init(dev);
417 nouveau_accel_init(drm);
418 nouveau_fbcon_init(dev);
419
420 if (nouveau_runtime_pm != 0) {
421 pm_runtime_use_autosuspend(dev->dev);
422 pm_runtime_set_autosuspend_delay(dev->dev, 5000);
423 pm_runtime_set_active(dev->dev);
424 pm_runtime_allow(dev->dev);
425 pm_runtime_mark_last_busy(dev->dev);
426 pm_runtime_put(dev->dev);
427 }
428 return 0;
429
430 fail_dispinit:
431 nouveau_display_destroy(dev);
432 fail_dispctor:
433 nouveau_bios_takedown(dev);
434 fail_bios:
435 nouveau_ttm_fini(drm);
436 fail_ttm:
437 nouveau_agp_fini(drm);
438 nouveau_vga_fini(drm);
439 fail_device:
440 nouveau_cli_destroy(&drm->client);
441 return ret;
442 }
443
444 static int
445 nouveau_drm_unload(struct drm_device *dev)
446 {
447 struct nouveau_drm *drm = nouveau_drm(dev);
448
449 pm_runtime_get_sync(dev->dev);
450 nouveau_fbcon_fini(dev);
451 nouveau_accel_fini(drm);
452 nouveau_hwmon_fini(dev);
453 nouveau_sysfs_fini(dev);
454
455 if (dev->mode_config.num_crtc)
456 nouveau_display_fini(dev);
457 nouveau_display_destroy(dev);
458
459 nouveau_bios_takedown(dev);
460
461 nouveau_ttm_fini(drm);
462 nouveau_agp_fini(drm);
463 nouveau_vga_fini(drm);
464
465 if (drm->hdmi_device)
466 pci_dev_put(drm->hdmi_device);
467 nouveau_cli_destroy(&drm->client);
468 return 0;
469 }
470
471 static void
472 nouveau_drm_remove(struct pci_dev *pdev)
473 {
474 struct drm_device *dev = pci_get_drvdata(pdev);
475 struct nouveau_drm *drm = nouveau_drm(dev);
476 struct nouveau_object *device;
477
478 device = drm->client.base.device;
479 drm_put_dev(dev);
480
481 nouveau_object_ref(NULL, &device);
482 nouveau_object_debug();
483 }
484
485 static int
486 nouveau_do_suspend(struct drm_device *dev)
487 {
488 struct nouveau_drm *drm = nouveau_drm(dev);
489 struct nouveau_cli *cli;
490 int ret;
491
492 if (dev->mode_config.num_crtc) {
493 NV_INFO(drm, "suspending display...\n");
494 ret = nouveau_display_suspend(dev);
495 if (ret)
496 return ret;
497 }
498
499 NV_INFO(drm, "evicting buffers...\n");
500 ttm_bo_evict_mm(&drm->ttm.bdev, TTM_PL_VRAM);
501
502 NV_INFO(drm, "waiting for kernel channels to go idle...\n");
503 if (drm->cechan) {
504 ret = nouveau_channel_idle(drm->cechan);
505 if (ret)
506 goto fail_display;
507 }
508
509 if (drm->channel) {
510 ret = nouveau_channel_idle(drm->channel);
511 if (ret)
512 goto fail_display;
513 }
514
515 NV_INFO(drm, "suspending client object trees...\n");
516 if (drm->fence && nouveau_fence(drm)->suspend) {
517 if (!nouveau_fence(drm)->suspend(drm)) {
518 ret = -ENOMEM;
519 goto fail_display;
520 }
521 }
522
523 list_for_each_entry(cli, &drm->clients, head) {
524 ret = nouveau_client_fini(&cli->base, true);
525 if (ret)
526 goto fail_client;
527 }
528
529 NV_INFO(drm, "suspending kernel object tree...\n");
530 ret = nouveau_client_fini(&drm->client.base, true);
531 if (ret)
532 goto fail_client;
533
534 nouveau_agp_fini(drm);
535 return 0;
536
537 fail_client:
538 list_for_each_entry_continue_reverse(cli, &drm->clients, head) {
539 nouveau_client_init(&cli->base);
540 }
541
542 if (drm->fence && nouveau_fence(drm)->resume)
543 nouveau_fence(drm)->resume(drm);
544
545 fail_display:
546 if (dev->mode_config.num_crtc) {
547 NV_INFO(drm, "resuming display...\n");
548 nouveau_display_resume(dev);
549 }
550 return ret;
551 }
552
553 int nouveau_pmops_suspend(struct device *dev)
554 {
555 struct pci_dev *pdev = to_pci_dev(dev);
556 struct drm_device *drm_dev = pci_get_drvdata(pdev);
557 int ret;
558
559 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF ||
560 drm_dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF)
561 return 0;
562
563 if (drm_dev->mode_config.num_crtc)
564 nouveau_fbcon_set_suspend(drm_dev, 1);
565
566 ret = nouveau_do_suspend(drm_dev);
567 if (ret)
568 return ret;
569
570 pci_save_state(pdev);
571 pci_disable_device(pdev);
572 pci_set_power_state(pdev, PCI_D3hot);
573 return 0;
574 }
575
576 static int
577 nouveau_do_resume(struct drm_device *dev)
578 {
579 struct nouveau_drm *drm = nouveau_drm(dev);
580 struct nouveau_cli *cli;
581
582 NV_INFO(drm, "re-enabling device...\n");
583
584 nouveau_agp_reset(drm);
585
586 NV_INFO(drm, "resuming kernel object tree...\n");
587 nouveau_client_init(&drm->client.base);
588 nouveau_agp_init(drm);
589
590 NV_INFO(drm, "resuming client object trees...\n");
591 if (drm->fence && nouveau_fence(drm)->resume)
592 nouveau_fence(drm)->resume(drm);
593
594 list_for_each_entry(cli, &drm->clients, head) {
595 nouveau_client_init(&cli->base);
596 }
597
598 nouveau_run_vbios_init(dev);
599
600 if (dev->mode_config.num_crtc) {
601 NV_INFO(drm, "resuming display...\n");
602 nouveau_display_repin(dev);
603 }
604
605 return 0;
606 }
607
608 int nouveau_pmops_resume(struct device *dev)
609 {
610 struct pci_dev *pdev = to_pci_dev(dev);
611 struct drm_device *drm_dev = pci_get_drvdata(pdev);
612 int ret;
613
614 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF ||
615 drm_dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF)
616 return 0;
617
618 pci_set_power_state(pdev, PCI_D0);
619 pci_restore_state(pdev);
620 ret = pci_enable_device(pdev);
621 if (ret)
622 return ret;
623 pci_set_master(pdev);
624
625 ret = nouveau_do_resume(drm_dev);
626 if (ret)
627 return ret;
628 if (drm_dev->mode_config.num_crtc)
629 nouveau_fbcon_set_suspend(drm_dev, 0);
630
631 nouveau_fbcon_zfill_all(drm_dev);
632 if (drm_dev->mode_config.num_crtc)
633 nouveau_display_resume(drm_dev);
634 return 0;
635 }
636
637 static int nouveau_pmops_freeze(struct device *dev)
638 {
639 struct pci_dev *pdev = to_pci_dev(dev);
640 struct drm_device *drm_dev = pci_get_drvdata(pdev);
641 int ret;
642
643 if (drm_dev->mode_config.num_crtc)
644 nouveau_fbcon_set_suspend(drm_dev, 1);
645
646 ret = nouveau_do_suspend(drm_dev);
647 return ret;
648 }
649
650 static int nouveau_pmops_thaw(struct device *dev)
651 {
652 struct pci_dev *pdev = to_pci_dev(dev);
653 struct drm_device *drm_dev = pci_get_drvdata(pdev);
654 int ret;
655
656 ret = nouveau_do_resume(drm_dev);
657 if (ret)
658 return ret;
659 if (drm_dev->mode_config.num_crtc)
660 nouveau_fbcon_set_suspend(drm_dev, 0);
661 nouveau_fbcon_zfill_all(drm_dev);
662 if (drm_dev->mode_config.num_crtc)
663 nouveau_display_resume(drm_dev);
664 return 0;
665 }
666
667
668 static int
669 nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)
670 {
671 struct pci_dev *pdev = dev->pdev;
672 struct nouveau_drm *drm = nouveau_drm(dev);
673 struct nouveau_cli *cli;
674 char name[32], tmpname[TASK_COMM_LEN];
675 int ret;
676
677 /* need to bring up power immediately if opening device */
678 ret = pm_runtime_get_sync(dev->dev);
679 if (ret < 0)
680 return ret;
681
682 get_task_comm(tmpname, current);
683 snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid));
684
685 ret = nouveau_cli_create(pdev, name, sizeof(*cli), (void **)&cli);
686 if (ret)
687 goto out_suspend;
688
689 if (nv_device(drm->device)->card_type >= NV_50) {
690 ret = nouveau_vm_new(nv_device(drm->device), 0, (1ULL << 40),
691 0x1000, &cli->base.vm);
692 if (ret) {
693 nouveau_cli_destroy(cli);
694 goto out_suspend;
695 }
696 }
697
698 fpriv->driver_priv = cli;
699
700 mutex_lock(&drm->client.mutex);
701 list_add(&cli->head, &drm->clients);
702 mutex_unlock(&drm->client.mutex);
703
704 out_suspend:
705 pm_runtime_mark_last_busy(dev->dev);
706 pm_runtime_put_autosuspend(dev->dev);
707
708 return ret;
709 }
710
711 static void
712 nouveau_drm_preclose(struct drm_device *dev, struct drm_file *fpriv)
713 {
714 struct nouveau_cli *cli = nouveau_cli(fpriv);
715 struct nouveau_drm *drm = nouveau_drm(dev);
716
717 pm_runtime_get_sync(dev->dev);
718
719 if (cli->abi16)
720 nouveau_abi16_fini(cli->abi16);
721
722 mutex_lock(&drm->client.mutex);
723 list_del(&cli->head);
724 mutex_unlock(&drm->client.mutex);
725
726 }
727
728 static void
729 nouveau_drm_postclose(struct drm_device *dev, struct drm_file *fpriv)
730 {
731 struct nouveau_cli *cli = nouveau_cli(fpriv);
732 nouveau_cli_destroy(cli);
733 pm_runtime_mark_last_busy(dev->dev);
734 pm_runtime_put_autosuspend(dev->dev);
735 }
736
737 static const struct drm_ioctl_desc
738 nouveau_ioctls[] = {
739 DRM_IOCTL_DEF_DRV(NOUVEAU_GETPARAM, nouveau_abi16_ioctl_getparam, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
740 DRM_IOCTL_DEF_DRV(NOUVEAU_SETPARAM, nouveau_abi16_ioctl_setparam, DRM_UNLOCKED|DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
741 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_ALLOC, nouveau_abi16_ioctl_channel_alloc, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
742 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_FREE, nouveau_abi16_ioctl_channel_free, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
743 DRM_IOCTL_DEF_DRV(NOUVEAU_GROBJ_ALLOC, nouveau_abi16_ioctl_grobj_alloc, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
744 DRM_IOCTL_DEF_DRV(NOUVEAU_NOTIFIEROBJ_ALLOC, nouveau_abi16_ioctl_notifierobj_alloc, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
745 DRM_IOCTL_DEF_DRV(NOUVEAU_GPUOBJ_FREE, nouveau_abi16_ioctl_gpuobj_free, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
746 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_NEW, nouveau_gem_ioctl_new, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
747 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_PUSHBUF, nouveau_gem_ioctl_pushbuf, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
748 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_PREP, nouveau_gem_ioctl_cpu_prep, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
749 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_FINI, nouveau_gem_ioctl_cpu_fini, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
750 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_INFO, nouveau_gem_ioctl_info, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
751 };
752
753 long nouveau_drm_ioctl(struct file *filp,
754 unsigned int cmd, unsigned long arg)
755 {
756 struct drm_file *file_priv = filp->private_data;
757 struct drm_device *dev;
758 long ret;
759 dev = file_priv->minor->dev;
760
761 ret = pm_runtime_get_sync(dev->dev);
762 if (ret < 0)
763 return ret;
764
765 ret = drm_ioctl(filp, cmd, arg);
766
767 pm_runtime_mark_last_busy(dev->dev);
768 pm_runtime_put_autosuspend(dev->dev);
769 return ret;
770 }
771 static const struct file_operations
772 nouveau_driver_fops = {
773 .owner = THIS_MODULE,
774 .open = drm_open,
775 .release = drm_release,
776 .unlocked_ioctl = nouveau_drm_ioctl,
777 .mmap = nouveau_ttm_mmap,
778 .poll = drm_poll,
779 .read = drm_read,
780 #if defined(CONFIG_COMPAT)
781 .compat_ioctl = nouveau_compat_ioctl,
782 #endif
783 .llseek = noop_llseek,
784 };
785
786 static struct drm_driver
787 driver = {
788 .driver_features =
789 DRIVER_USE_AGP |
790 DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME | DRIVER_RENDER,
791
792 .load = nouveau_drm_load,
793 .unload = nouveau_drm_unload,
794 .open = nouveau_drm_open,
795 .preclose = nouveau_drm_preclose,
796 .postclose = nouveau_drm_postclose,
797 .lastclose = nouveau_vga_lastclose,
798
799 #if defined(CONFIG_DEBUG_FS)
800 .debugfs_init = nouveau_debugfs_init,
801 .debugfs_cleanup = nouveau_debugfs_takedown,
802 #endif
803
804 .get_vblank_counter = drm_vblank_count,
805 .enable_vblank = nouveau_display_vblank_enable,
806 .disable_vblank = nouveau_display_vblank_disable,
807 .get_scanout_position = nouveau_display_scanoutpos,
808 .get_vblank_timestamp = nouveau_display_vblstamp,
809
810 .ioctls = nouveau_ioctls,
811 .num_ioctls = ARRAY_SIZE(nouveau_ioctls),
812 .fops = &nouveau_driver_fops,
813
814 .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
815 .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
816 .gem_prime_export = drm_gem_prime_export,
817 .gem_prime_import = drm_gem_prime_import,
818 .gem_prime_pin = nouveau_gem_prime_pin,
819 .gem_prime_unpin = nouveau_gem_prime_unpin,
820 .gem_prime_get_sg_table = nouveau_gem_prime_get_sg_table,
821 .gem_prime_import_sg_table = nouveau_gem_prime_import_sg_table,
822 .gem_prime_vmap = nouveau_gem_prime_vmap,
823 .gem_prime_vunmap = nouveau_gem_prime_vunmap,
824
825 .gem_free_object = nouveau_gem_object_del,
826 .gem_open_object = nouveau_gem_object_open,
827 .gem_close_object = nouveau_gem_object_close,
828
829 .dumb_create = nouveau_display_dumb_create,
830 .dumb_map_offset = nouveau_display_dumb_map_offset,
831 .dumb_destroy = drm_gem_dumb_destroy,
832
833 .name = DRIVER_NAME,
834 .desc = DRIVER_DESC,
835 #ifdef GIT_REVISION
836 .date = GIT_REVISION,
837 #else
838 .date = DRIVER_DATE,
839 #endif
840 .major = DRIVER_MAJOR,
841 .minor = DRIVER_MINOR,
842 .patchlevel = DRIVER_PATCHLEVEL,
843 };
844
845 static struct pci_device_id
846 nouveau_drm_pci_table[] = {
847 {
848 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
849 .class = PCI_BASE_CLASS_DISPLAY << 16,
850 .class_mask = 0xff << 16,
851 },
852 {
853 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS, PCI_ANY_ID),
854 .class = PCI_BASE_CLASS_DISPLAY << 16,
855 .class_mask = 0xff << 16,
856 },
857 {}
858 };
859
860 static int nouveau_pmops_runtime_suspend(struct device *dev)
861 {
862 struct pci_dev *pdev = to_pci_dev(dev);
863 struct drm_device *drm_dev = pci_get_drvdata(pdev);
864 int ret;
865
866 if (nouveau_runtime_pm == 0)
867 return -EINVAL;
868
869 /* are we optimus enabled? */
870 if (nouveau_runtime_pm == -1 && !nouveau_is_optimus() && !nouveau_is_v1_dsm()) {
871 DRM_DEBUG_DRIVER("failing to power off - not optimus\n");
872 return -EINVAL;
873 }
874
875 nv_debug_level(SILENT);
876 drm_kms_helper_poll_disable(drm_dev);
877 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF);
878 nouveau_switcheroo_optimus_dsm();
879 ret = nouveau_do_suspend(drm_dev);
880 pci_save_state(pdev);
881 pci_disable_device(pdev);
882 pci_set_power_state(pdev, PCI_D3cold);
883 drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
884 return ret;
885 }
886
887 static int nouveau_pmops_runtime_resume(struct device *dev)
888 {
889 struct pci_dev *pdev = to_pci_dev(dev);
890 struct drm_device *drm_dev = pci_get_drvdata(pdev);
891 struct nouveau_device *device = nouveau_dev(drm_dev);
892 int ret;
893
894 if (nouveau_runtime_pm == 0)
895 return -EINVAL;
896
897 pci_set_power_state(pdev, PCI_D0);
898 pci_restore_state(pdev);
899 ret = pci_enable_device(pdev);
900 if (ret)
901 return ret;
902 pci_set_master(pdev);
903
904 ret = nouveau_do_resume(drm_dev);
905 if (drm_dev->mode_config.num_crtc)
906 nouveau_display_resume(drm_dev);
907 drm_kms_helper_poll_enable(drm_dev);
908 /* do magic */
909 nv_mask(device, 0x88488, (1 << 25), (1 << 25));
910 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_ON);
911 drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
912 nv_debug_level(NORMAL);
913 return ret;
914 }
915
916 static int nouveau_pmops_runtime_idle(struct device *dev)
917 {
918 struct pci_dev *pdev = to_pci_dev(dev);
919 struct drm_device *drm_dev = pci_get_drvdata(pdev);
920 struct nouveau_drm *drm = nouveau_drm(drm_dev);
921 struct drm_crtc *crtc;
922
923 if (nouveau_runtime_pm == 0)
924 return -EBUSY;
925
926 /* are we optimus enabled? */
927 if (nouveau_runtime_pm == -1 && !nouveau_is_optimus() && !nouveau_is_v1_dsm()) {
928 DRM_DEBUG_DRIVER("failing to power off - not optimus\n");
929 return -EBUSY;
930 }
931
932 /* if we have a hdmi audio device - make sure it has a driver loaded */
933 if (drm->hdmi_device) {
934 if (!drm->hdmi_device->driver) {
935 DRM_DEBUG_DRIVER("failing to power off - no HDMI audio driver loaded\n");
936 pm_runtime_mark_last_busy(dev);
937 return -EBUSY;
938 }
939 }
940
941 list_for_each_entry(crtc, &drm->dev->mode_config.crtc_list, head) {
942 if (crtc->enabled) {
943 DRM_DEBUG_DRIVER("failing to power off - crtc active\n");
944 return -EBUSY;
945 }
946 }
947 pm_runtime_mark_last_busy(dev);
948 pm_runtime_autosuspend(dev);
949 /* we don't want the main rpm_idle to call suspend - we want to autosuspend */
950 return 1;
951 }
952
953 static const struct dev_pm_ops nouveau_pm_ops = {
954 .suspend = nouveau_pmops_suspend,
955 .resume = nouveau_pmops_resume,
956 .freeze = nouveau_pmops_freeze,
957 .thaw = nouveau_pmops_thaw,
958 .poweroff = nouveau_pmops_freeze,
959 .restore = nouveau_pmops_resume,
960 .runtime_suspend = nouveau_pmops_runtime_suspend,
961 .runtime_resume = nouveau_pmops_runtime_resume,
962 .runtime_idle = nouveau_pmops_runtime_idle,
963 };
964
965 static struct pci_driver
966 nouveau_drm_pci_driver = {
967 .name = "nouveau",
968 .id_table = nouveau_drm_pci_table,
969 .probe = nouveau_drm_probe,
970 .remove = nouveau_drm_remove,
971 .driver.pm = &nouveau_pm_ops,
972 };
973
974 static int __init
975 nouveau_drm_init(void)
976 {
977 if (nouveau_modeset == -1) {
978 #ifdef CONFIG_VGA_CONSOLE
979 if (vgacon_text_force())
980 nouveau_modeset = 0;
981 #endif
982 }
983
984 if (!nouveau_modeset)
985 return 0;
986
987 nouveau_register_dsm_handler();
988 return drm_pci_init(&driver, &nouveau_drm_pci_driver);
989 }
990
991 static void __exit
992 nouveau_drm_exit(void)
993 {
994 if (!nouveau_modeset)
995 return;
996
997 drm_pci_exit(&driver, &nouveau_drm_pci_driver);
998 nouveau_unregister_dsm_handler();
999 }
1000
1001 module_init(nouveau_drm_init);
1002 module_exit(nouveau_drm_exit);
1003
1004 MODULE_DEVICE_TABLE(pci, nouveau_drm_pci_table);
1005 MODULE_AUTHOR(DRIVER_AUTHOR);
1006 MODULE_DESCRIPTION(DRIVER_DESC);
1007 MODULE_LICENSE("GPL and additional rights");
Linux with added FPC-III support