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 31 #include "drmP.h" 32 #include "drm_crtc_helper.h" 33 34 #include <core/device.h> 35 #include <core/gpuobj.h> 36 #include <core/option.h> 37 38 #include "nouveau_drm.h" 39 #include "nouveau_dma.h" 40 #include "nouveau_ttm.h" 41 #include "nouveau_gem.h" 42 #include "nouveau_agp.h" 43 #include "nouveau_vga.h" 44 #include "nouveau_sysfs.h" 45 #include "nouveau_hwmon.h" 46 #include "nouveau_acpi.h" 47 #include "nouveau_bios.h" 48 #include "nouveau_ioctl.h" 49 #include "nouveau_abi16.h" 50 #include "nouveau_fbcon.h" 51 #include "nouveau_fence.h" 52 #include "nouveau_debugfs.h" 53 #include "nouveau_usif.h" 54 #include "nouveau_connector.h" 55 56 MODULE_PARM_DESC(config, "option string to pass to driver core"); 57 static char *nouveau_config; 58 module_param_named(config, nouveau_config, charp, 0400); 59 60 MODULE_PARM_DESC(debug, "debug string to pass to driver core"); 61 static char *nouveau_debug; 62 module_param_named(debug, nouveau_debug, charp, 0400); 63 64 MODULE_PARM_DESC(noaccel, "disable kernel/abi16 acceleration"); 65 static int nouveau_noaccel = 0; 66 module_param_named(noaccel, nouveau_noaccel, int, 0400); 67 68 MODULE_PARM_DESC(modeset, "enable driver (default: auto, " 69 "0 = disabled, 1 = enabled, 2 = headless)"); 70 int nouveau_modeset = -1; 71 module_param_named(modeset, nouveau_modeset, int, 0400); 72 73 MODULE_PARM_DESC(runpm, "disable (0), force enable (1), optimus only default (-1)"); 74 int nouveau_runtime_pm = -1; 75 module_param_named(runpm, nouveau_runtime_pm, int, 0400); 76 77 static struct drm_driver driver_stub; 78 static struct drm_driver driver_pci; 79 static struct drm_driver driver_platform; 80 81 static u64 82 nouveau_pci_name(struct pci_dev *pdev) 83 { 84 u64 name = (u64)pci_domain_nr(pdev->bus) << 32; 85 name |= pdev->bus->number << 16; 86 name |= PCI_SLOT(pdev->devfn) << 8; 87 return name | PCI_FUNC(pdev->devfn); 88 } 89 90 static u64 91 nouveau_platform_name(struct platform_device *platformdev) 92 { 93 return platformdev->id; 94 } 95 96 static u64 97 nouveau_name(struct drm_device *dev) 98 { 99 if (dev->pdev) 100 return nouveau_pci_name(dev->pdev); 101 else 102 return nouveau_platform_name(dev->platformdev); 103 } 104 105 static int 106 nouveau_cli_create(u64 name, const char *sname, 107 int size, void **pcli) 108 { 109 struct nouveau_cli *cli = *pcli = kzalloc(size, GFP_KERNEL); 110 if (cli) { 111 int ret = nvif_client_init(NULL, NULL, sname, name, 112 nouveau_config, nouveau_debug, 113 &cli->base); 114 if (ret == 0) { 115 mutex_init(&cli->mutex); 116 usif_client_init(cli); 117 } 118 return ret; 119 } 120 return -ENOMEM; 121 } 122 123 static void 124 nouveau_cli_destroy(struct nouveau_cli *cli) 125 { 126 nouveau_vm_ref(NULL, &nvkm_client(&cli->base)->vm, NULL); 127 nvif_client_fini(&cli->base); 128 usif_client_fini(cli); 129 } 130 131 static void 132 nouveau_accel_fini(struct nouveau_drm *drm) 133 { 134 nouveau_channel_del(&drm->channel); 135 nvif_object_fini(&drm->ntfy); 136 nouveau_gpuobj_ref(NULL, &drm->notify); 137 nvif_object_fini(&drm->nvsw); 138 nouveau_channel_del(&drm->cechan); 139 nvif_object_fini(&drm->ttm.copy); 140 if (drm->fence) 141 nouveau_fence(drm)->dtor(drm); 142 } 143 144 static void 145 nouveau_accel_init(struct nouveau_drm *drm) 146 { 147 struct nvif_device *device = &drm->device; 148 u32 arg0, arg1; 149 u32 sclass[16]; 150 int ret, i; 151 152 if (nouveau_noaccel) 153 return; 154 155 /* initialise synchronisation routines */ 156 /*XXX: this is crap, but the fence/channel stuff is a little 157 * backwards in some places. this will be fixed. 158 */ 159 ret = nvif_object_sclass(&device->base, sclass, ARRAY_SIZE(sclass)); 160 if (ret < 0) 161 return; 162 163 for (ret = -ENOSYS, i = 0; ret && i < ARRAY_SIZE(sclass); i++) { 164 switch (sclass[i]) { 165 case NV03_CHANNEL_DMA: 166 ret = nv04_fence_create(drm); 167 break; 168 case NV10_CHANNEL_DMA: 169 ret = nv10_fence_create(drm); 170 break; 171 case NV17_CHANNEL_DMA: 172 case NV40_CHANNEL_DMA: 173 ret = nv17_fence_create(drm); 174 break; 175 case NV50_CHANNEL_GPFIFO: 176 ret = nv50_fence_create(drm); 177 break; 178 case G82_CHANNEL_GPFIFO: 179 ret = nv84_fence_create(drm); 180 break; 181 case FERMI_CHANNEL_GPFIFO: 182 case KEPLER_CHANNEL_GPFIFO_A: 183 ret = nvc0_fence_create(drm); 184 break; 185 default: 186 break; 187 } 188 } 189 190 if (ret) { 191 NV_ERROR(drm, "failed to initialise sync subsystem, %d\n", ret); 192 nouveau_accel_fini(drm); 193 return; 194 } 195 196 if (device->info.family >= NV_DEVICE_INFO_V0_KEPLER) { 197 ret = nouveau_channel_new(drm, &drm->device, NVDRM_CHAN + 1, 198 KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_CE0| 199 KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_CE1, 200 0, &drm->cechan); 201 if (ret) 202 NV_ERROR(drm, "failed to create ce channel, %d\n", ret); 203 204 arg0 = KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_GR; 205 arg1 = 1; 206 } else 207 if (device->info.chipset >= 0xa3 && 208 device->info.chipset != 0xaa && 209 device->info.chipset != 0xac) { 210 ret = nouveau_channel_new(drm, &drm->device, NVDRM_CHAN + 1, 211 NvDmaFB, NvDmaTT, &drm->cechan); 212 if (ret) 213 NV_ERROR(drm, "failed to create ce channel, %d\n", ret); 214 215 arg0 = NvDmaFB; 216 arg1 = NvDmaTT; 217 } else { 218 arg0 = NvDmaFB; 219 arg1 = NvDmaTT; 220 } 221 222 ret = nouveau_channel_new(drm, &drm->device, NVDRM_CHAN, arg0, arg1, 223 &drm->channel); 224 if (ret) { 225 NV_ERROR(drm, "failed to create kernel channel, %d\n", ret); 226 nouveau_accel_fini(drm); 227 return; 228 } 229 230 ret = nvif_object_init(drm->channel->object, NULL, NVDRM_NVSW, 231 nouveau_abi16_swclass(drm), NULL, 0, &drm->nvsw); 232 if (ret == 0) { 233 struct nouveau_software_chan *swch; 234 ret = RING_SPACE(drm->channel, 2); 235 if (ret == 0) { 236 if (device->info.family < NV_DEVICE_INFO_V0_FERMI) { 237 BEGIN_NV04(drm->channel, NvSubSw, 0, 1); 238 OUT_RING (drm->channel, NVDRM_NVSW); 239 } else 240 if (device->info.family < NV_DEVICE_INFO_V0_KEPLER) { 241 BEGIN_NVC0(drm->channel, FermiSw, 0, 1); 242 OUT_RING (drm->channel, 0x001f0000); 243 } 244 } 245 swch = (void *)nvkm_object(&drm->nvsw)->parent; 246 swch->flip = nouveau_flip_complete; 247 swch->flip_data = drm->channel; 248 } 249 250 if (ret) { 251 NV_ERROR(drm, "failed to allocate software object, %d\n", ret); 252 nouveau_accel_fini(drm); 253 return; 254 } 255 256 if (device->info.family < NV_DEVICE_INFO_V0_FERMI) { 257 ret = nouveau_gpuobj_new(nvkm_object(&drm->device), NULL, 32, 258 0, 0, &drm->notify); 259 if (ret) { 260 NV_ERROR(drm, "failed to allocate notifier, %d\n", ret); 261 nouveau_accel_fini(drm); 262 return; 263 } 264 265 ret = nvif_object_init(drm->channel->object, NULL, NvNotify0, 266 NV_DMA_IN_MEMORY, 267 &(struct nv_dma_v0) { 268 .target = NV_DMA_V0_TARGET_VRAM, 269 .access = NV_DMA_V0_ACCESS_RDWR, 270 .start = drm->notify->addr, 271 .limit = drm->notify->addr + 31 272 }, sizeof(struct nv_dma_v0), 273 &drm->ntfy); 274 if (ret) { 275 nouveau_accel_fini(drm); 276 return; 277 } 278 } 279 280 281 nouveau_bo_move_init(drm); 282 } 283 284 static int nouveau_drm_probe(struct pci_dev *pdev, 285 const struct pci_device_id *pent) 286 { 287 struct nouveau_device *device; 288 struct apertures_struct *aper; 289 bool boot = false; 290 int ret; 291 292 /* remove conflicting drivers (vesafb, efifb etc) */ 293 aper = alloc_apertures(3); 294 if (!aper) 295 return -ENOMEM; 296 297 aper->ranges[0].base = pci_resource_start(pdev, 1); 298 aper->ranges[0].size = pci_resource_len(pdev, 1); 299 aper->count = 1; 300 301 if (pci_resource_len(pdev, 2)) { 302 aper->ranges[aper->count].base = pci_resource_start(pdev, 2); 303 aper->ranges[aper->count].size = pci_resource_len(pdev, 2); 304 aper->count++; 305 } 306 307 if (pci_resource_len(pdev, 3)) { 308 aper->ranges[aper->count].base = pci_resource_start(pdev, 3); 309 aper->ranges[aper->count].size = pci_resource_len(pdev, 3); 310 aper->count++; 311 } 312 313 #ifdef CONFIG_X86 314 boot = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW; 315 #endif 316 if (nouveau_modeset != 2) 317 remove_conflicting_framebuffers(aper, "nouveaufb", boot); 318 kfree(aper); 319 320 ret = nouveau_device_create(pdev, NOUVEAU_BUS_PCI, 321 nouveau_pci_name(pdev), pci_name(pdev), 322 nouveau_config, nouveau_debug, &device); 323 if (ret) 324 return ret; 325 326 pci_set_master(pdev); 327 328 ret = drm_get_pci_dev(pdev, pent, &driver_pci); 329 if (ret) { 330 nouveau_object_ref(NULL, (struct nouveau_object **)&device); 331 return ret; 332 } 333 334 return 0; 335 } 336 337 #define PCI_CLASS_MULTIMEDIA_HD_AUDIO 0x0403 338 339 static void 340 nouveau_get_hdmi_dev(struct nouveau_drm *drm) 341 { 342 struct pci_dev *pdev = drm->dev->pdev; 343 344 if (!pdev) { 345 DRM_INFO("not a PCI device; no HDMI\n"); 346 drm->hdmi_device = NULL; 347 return; 348 } 349 350 /* subfunction one is a hdmi audio device? */ 351 drm->hdmi_device = pci_get_bus_and_slot((unsigned int)pdev->bus->number, 352 PCI_DEVFN(PCI_SLOT(pdev->devfn), 1)); 353 354 if (!drm->hdmi_device) { 355 NV_DEBUG(drm, "hdmi device not found %d %d %d\n", pdev->bus->number, PCI_SLOT(pdev->devfn), 1); 356 return; 357 } 358 359 if ((drm->hdmi_device->class >> 8) != PCI_CLASS_MULTIMEDIA_HD_AUDIO) { 360 NV_DEBUG(drm, "possible hdmi device not audio %d\n", drm->hdmi_device->class); 361 pci_dev_put(drm->hdmi_device); 362 drm->hdmi_device = NULL; 363 return; 364 } 365 } 366 367 static int 368 nouveau_drm_load(struct drm_device *dev, unsigned long flags) 369 { 370 struct pci_dev *pdev = dev->pdev; 371 struct nouveau_drm *drm; 372 int ret; 373 374 ret = nouveau_cli_create(nouveau_name(dev), "DRM", sizeof(*drm), 375 (void **)&drm); 376 if (ret) 377 return ret; 378 379 dev->dev_private = drm; 380 drm->dev = dev; 381 nvkm_client(&drm->client.base)->debug = 382 nouveau_dbgopt(nouveau_debug, "DRM"); 383 384 INIT_LIST_HEAD(&drm->clients); 385 spin_lock_init(&drm->tile.lock); 386 387 nouveau_get_hdmi_dev(drm); 388 389 /* make sure AGP controller is in a consistent state before we 390 * (possibly) execute vbios init tables (see nouveau_agp.h) 391 */ 392 if (pdev && drm_pci_device_is_agp(dev) && dev->agp) { 393 const u64 enables = NV_DEVICE_V0_DISABLE_IDENTIFY | 394 NV_DEVICE_V0_DISABLE_MMIO; 395 /* dummy device object, doesn't init anything, but allows 396 * agp code access to registers 397 */ 398 ret = nvif_device_init(&drm->client.base.base, NULL, 399 NVDRM_DEVICE, NV_DEVICE, 400 &(struct nv_device_v0) { 401 .device = ~0, 402 .disable = ~enables, 403 .debug0 = ~0, 404 }, sizeof(struct nv_device_v0), 405 &drm->device); 406 if (ret) 407 goto fail_device; 408 409 nouveau_agp_reset(drm); 410 nvif_device_fini(&drm->device); 411 } 412 413 ret = nvif_device_init(&drm->client.base.base, NULL, NVDRM_DEVICE, 414 NV_DEVICE, 415 &(struct nv_device_v0) { 416 .device = ~0, 417 .disable = 0, 418 .debug0 = 0, 419 }, sizeof(struct nv_device_v0), 420 &drm->device); 421 if (ret) 422 goto fail_device; 423 424 dev->irq_enabled = true; 425 426 /* workaround an odd issue on nvc1 by disabling the device's 427 * nosnoop capability. hopefully won't cause issues until a 428 * better fix is found - assuming there is one... 429 */ 430 if (drm->device.info.chipset == 0xc1) 431 nvif_mask(&drm->device, 0x00088080, 0x00000800, 0x00000000); 432 433 nouveau_vga_init(drm); 434 nouveau_agp_init(drm); 435 436 if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA) { 437 ret = nouveau_vm_new(nvkm_device(&drm->device), 0, (1ULL << 40), 438 0x1000, &drm->client.vm); 439 if (ret) 440 goto fail_device; 441 442 nvkm_client(&drm->client.base)->vm = drm->client.vm; 443 } 444 445 ret = nouveau_ttm_init(drm); 446 if (ret) 447 goto fail_ttm; 448 449 ret = nouveau_bios_init(dev); 450 if (ret) 451 goto fail_bios; 452 453 ret = nouveau_display_create(dev); 454 if (ret) 455 goto fail_dispctor; 456 457 if (dev->mode_config.num_crtc) { 458 ret = nouveau_display_init(dev); 459 if (ret) 460 goto fail_dispinit; 461 } 462 463 nouveau_sysfs_init(dev); 464 nouveau_hwmon_init(dev); 465 nouveau_accel_init(drm); 466 nouveau_fbcon_init(dev); 467 468 if (nouveau_runtime_pm != 0) { 469 pm_runtime_use_autosuspend(dev->dev); 470 pm_runtime_set_autosuspend_delay(dev->dev, 5000); 471 pm_runtime_set_active(dev->dev); 472 pm_runtime_allow(dev->dev); 473 pm_runtime_mark_last_busy(dev->dev); 474 pm_runtime_put(dev->dev); 475 } 476 return 0; 477 478 fail_dispinit: 479 nouveau_display_destroy(dev); 480 fail_dispctor: 481 nouveau_bios_takedown(dev); 482 fail_bios: 483 nouveau_ttm_fini(drm); 484 fail_ttm: 485 nouveau_agp_fini(drm); 486 nouveau_vga_fini(drm); 487 fail_device: 488 nvif_device_fini(&drm->device); 489 nouveau_cli_destroy(&drm->client); 490 return ret; 491 } 492 493 static int 494 nouveau_drm_unload(struct drm_device *dev) 495 { 496 struct nouveau_drm *drm = nouveau_drm(dev); 497 498 pm_runtime_get_sync(dev->dev); 499 nouveau_fbcon_fini(dev); 500 nouveau_accel_fini(drm); 501 nouveau_hwmon_fini(dev); 502 nouveau_sysfs_fini(dev); 503 504 if (dev->mode_config.num_crtc) 505 nouveau_display_fini(dev); 506 nouveau_display_destroy(dev); 507 508 nouveau_bios_takedown(dev); 509 510 nouveau_ttm_fini(drm); 511 nouveau_agp_fini(drm); 512 nouveau_vga_fini(drm); 513 514 nvif_device_fini(&drm->device); 515 if (drm->hdmi_device) 516 pci_dev_put(drm->hdmi_device); 517 nouveau_cli_destroy(&drm->client); 518 return 0; 519 } 520 521 void 522 nouveau_drm_device_remove(struct drm_device *dev) 523 { 524 struct nouveau_drm *drm = nouveau_drm(dev); 525 struct nouveau_client *client; 526 struct nouveau_object *device; 527 528 dev->irq_enabled = false; 529 client = nvkm_client(&drm->client.base); 530 device = client->device; 531 drm_put_dev(dev); 532 533 nouveau_object_ref(NULL, &device); 534 nouveau_object_debug(); 535 } 536 EXPORT_SYMBOL(nouveau_drm_device_remove); 537 538 static void 539 nouveau_drm_remove(struct pci_dev *pdev) 540 { 541 struct drm_device *dev = pci_get_drvdata(pdev); 542 543 nouveau_drm_device_remove(dev); 544 } 545 546 static int 547 nouveau_do_suspend(struct drm_device *dev, bool runtime) 548 { 549 struct nouveau_drm *drm = nouveau_drm(dev); 550 struct nouveau_cli *cli; 551 int ret; 552 553 if (dev->mode_config.num_crtc) { 554 NV_INFO(drm, "suspending console...\n"); 555 nouveau_fbcon_set_suspend(dev, 1); 556 NV_INFO(drm, "suspending display...\n"); 557 ret = nouveau_display_suspend(dev, runtime); 558 if (ret) 559 return ret; 560 } 561 562 NV_INFO(drm, "evicting buffers...\n"); 563 ttm_bo_evict_mm(&drm->ttm.bdev, TTM_PL_VRAM); 564 565 NV_INFO(drm, "waiting for kernel channels to go idle...\n"); 566 if (drm->cechan) { 567 ret = nouveau_channel_idle(drm->cechan); 568 if (ret) 569 goto fail_display; 570 } 571 572 if (drm->channel) { 573 ret = nouveau_channel_idle(drm->channel); 574 if (ret) 575 goto fail_display; 576 } 577 578 NV_INFO(drm, "suspending client object trees...\n"); 579 if (drm->fence && nouveau_fence(drm)->suspend) { 580 if (!nouveau_fence(drm)->suspend(drm)) { 581 ret = -ENOMEM; 582 goto fail_display; 583 } 584 } 585 586 list_for_each_entry(cli, &drm->clients, head) { 587 ret = nvif_client_suspend(&cli->base); 588 if (ret) 589 goto fail_client; 590 } 591 592 NV_INFO(drm, "suspending kernel object tree...\n"); 593 ret = nvif_client_suspend(&drm->client.base); 594 if (ret) 595 goto fail_client; 596 597 nouveau_agp_fini(drm); 598 return 0; 599 600 fail_client: 601 list_for_each_entry_continue_reverse(cli, &drm->clients, head) { 602 nvif_client_resume(&cli->base); 603 } 604 605 if (drm->fence && nouveau_fence(drm)->resume) 606 nouveau_fence(drm)->resume(drm); 607 608 fail_display: 609 if (dev->mode_config.num_crtc) { 610 NV_INFO(drm, "resuming display...\n"); 611 nouveau_display_resume(dev, runtime); 612 } 613 return ret; 614 } 615 616 int nouveau_pmops_suspend(struct device *dev) 617 { 618 struct pci_dev *pdev = to_pci_dev(dev); 619 struct drm_device *drm_dev = pci_get_drvdata(pdev); 620 int ret; 621 622 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF || 623 drm_dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF) 624 return 0; 625 626 ret = nouveau_do_suspend(drm_dev, false); 627 if (ret) 628 return ret; 629 630 pci_save_state(pdev); 631 pci_disable_device(pdev); 632 pci_ignore_hotplug(pdev); 633 pci_set_power_state(pdev, PCI_D3hot); 634 return 0; 635 } 636 637 static int 638 nouveau_do_resume(struct drm_device *dev, bool runtime) 639 { 640 struct nouveau_drm *drm = nouveau_drm(dev); 641 struct nouveau_cli *cli; 642 643 NV_INFO(drm, "re-enabling device...\n"); 644 645 nouveau_agp_reset(drm); 646 647 NV_INFO(drm, "resuming kernel object tree...\n"); 648 nvif_client_resume(&drm->client.base); 649 nouveau_agp_init(drm); 650 651 NV_INFO(drm, "resuming client object trees...\n"); 652 if (drm->fence && nouveau_fence(drm)->resume) 653 nouveau_fence(drm)->resume(drm); 654 655 list_for_each_entry(cli, &drm->clients, head) { 656 nvif_client_resume(&cli->base); 657 } 658 659 nouveau_run_vbios_init(dev); 660 661 if (dev->mode_config.num_crtc) { 662 NV_INFO(drm, "resuming display...\n"); 663 nouveau_display_resume(dev, runtime); 664 NV_INFO(drm, "resuming console...\n"); 665 nouveau_fbcon_set_suspend(dev, 0); 666 } 667 668 return 0; 669 } 670 671 int nouveau_pmops_resume(struct device *dev) 672 { 673 struct pci_dev *pdev = to_pci_dev(dev); 674 struct drm_device *drm_dev = pci_get_drvdata(pdev); 675 int ret; 676 677 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF || 678 drm_dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF) 679 return 0; 680 681 pci_set_power_state(pdev, PCI_D0); 682 pci_restore_state(pdev); 683 ret = pci_enable_device(pdev); 684 if (ret) 685 return ret; 686 pci_set_master(pdev); 687 688 return nouveau_do_resume(drm_dev, false); 689 } 690 691 static int nouveau_pmops_freeze(struct device *dev) 692 { 693 struct pci_dev *pdev = to_pci_dev(dev); 694 struct drm_device *drm_dev = pci_get_drvdata(pdev); 695 return nouveau_do_suspend(drm_dev, false); 696 } 697 698 static int nouveau_pmops_thaw(struct device *dev) 699 { 700 struct pci_dev *pdev = to_pci_dev(dev); 701 struct drm_device *drm_dev = pci_get_drvdata(pdev); 702 return nouveau_do_resume(drm_dev, false); 703 } 704 705 706 static int 707 nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv) 708 { 709 struct nouveau_drm *drm = nouveau_drm(dev); 710 struct nouveau_cli *cli; 711 char name[32], tmpname[TASK_COMM_LEN]; 712 int ret; 713 714 /* need to bring up power immediately if opening device */ 715 ret = pm_runtime_get_sync(dev->dev); 716 if (ret < 0 && ret != -EACCES) 717 return ret; 718 719 get_task_comm(tmpname, current); 720 snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid)); 721 722 ret = nouveau_cli_create(nouveau_name(dev), name, sizeof(*cli), 723 (void **)&cli); 724 725 if (ret) 726 goto out_suspend; 727 728 cli->base.super = false; 729 730 if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA) { 731 ret = nouveau_vm_new(nvkm_device(&drm->device), 0, (1ULL << 40), 732 0x1000, &cli->vm); 733 if (ret) { 734 nouveau_cli_destroy(cli); 735 goto out_suspend; 736 } 737 738 nvkm_client(&cli->base)->vm = cli->vm; 739 } 740 741 fpriv->driver_priv = cli; 742 743 mutex_lock(&drm->client.mutex); 744 list_add(&cli->head, &drm->clients); 745 mutex_unlock(&drm->client.mutex); 746 747 out_suspend: 748 pm_runtime_mark_last_busy(dev->dev); 749 pm_runtime_put_autosuspend(dev->dev); 750 751 return ret; 752 } 753 754 static void 755 nouveau_drm_preclose(struct drm_device *dev, struct drm_file *fpriv) 756 { 757 struct nouveau_cli *cli = nouveau_cli(fpriv); 758 struct nouveau_drm *drm = nouveau_drm(dev); 759 760 pm_runtime_get_sync(dev->dev); 761 762 if (cli->abi16) 763 nouveau_abi16_fini(cli->abi16); 764 765 mutex_lock(&drm->client.mutex); 766 list_del(&cli->head); 767 mutex_unlock(&drm->client.mutex); 768 769 } 770 771 static void 772 nouveau_drm_postclose(struct drm_device *dev, struct drm_file *fpriv) 773 { 774 struct nouveau_cli *cli = nouveau_cli(fpriv); 775 nouveau_cli_destroy(cli); 776 pm_runtime_mark_last_busy(dev->dev); 777 pm_runtime_put_autosuspend(dev->dev); 778 } 779 780 static const struct drm_ioctl_desc 781 nouveau_ioctls[] = { 782 DRM_IOCTL_DEF_DRV(NOUVEAU_GETPARAM, nouveau_abi16_ioctl_getparam, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 783 DRM_IOCTL_DEF_DRV(NOUVEAU_SETPARAM, nouveau_abi16_ioctl_setparam, DRM_UNLOCKED|DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 784 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_ALLOC, nouveau_abi16_ioctl_channel_alloc, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 785 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_FREE, nouveau_abi16_ioctl_channel_free, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 786 DRM_IOCTL_DEF_DRV(NOUVEAU_GROBJ_ALLOC, nouveau_abi16_ioctl_grobj_alloc, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 787 DRM_IOCTL_DEF_DRV(NOUVEAU_NOTIFIEROBJ_ALLOC, nouveau_abi16_ioctl_notifierobj_alloc, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 788 DRM_IOCTL_DEF_DRV(NOUVEAU_GPUOBJ_FREE, nouveau_abi16_ioctl_gpuobj_free, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 789 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_NEW, nouveau_gem_ioctl_new, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 790 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_PUSHBUF, nouveau_gem_ioctl_pushbuf, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 791 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_PREP, nouveau_gem_ioctl_cpu_prep, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 792 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_FINI, nouveau_gem_ioctl_cpu_fini, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 793 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_INFO, nouveau_gem_ioctl_info, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 794 }; 795 796 long 797 nouveau_drm_ioctl(struct file *file, unsigned int cmd, unsigned long arg) 798 { 799 struct drm_file *filp = file->private_data; 800 struct drm_device *dev = filp->minor->dev; 801 long ret; 802 803 ret = pm_runtime_get_sync(dev->dev); 804 if (ret < 0 && ret != -EACCES) 805 return ret; 806 807 switch (_IOC_NR(cmd) - DRM_COMMAND_BASE) { 808 case DRM_NOUVEAU_NVIF: 809 ret = usif_ioctl(filp, (void __user *)arg, _IOC_SIZE(cmd)); 810 break; 811 default: 812 ret = drm_ioctl(file, cmd, arg); 813 break; 814 } 815 816 pm_runtime_mark_last_busy(dev->dev); 817 pm_runtime_put_autosuspend(dev->dev); 818 return ret; 819 } 820 821 static const struct file_operations 822 nouveau_driver_fops = { 823 .owner = THIS_MODULE, 824 .open = drm_open, 825 .release = drm_release, 826 .unlocked_ioctl = nouveau_drm_ioctl, 827 .mmap = nouveau_ttm_mmap, 828 .poll = drm_poll, 829 .read = drm_read, 830 #if defined(CONFIG_COMPAT) 831 .compat_ioctl = nouveau_compat_ioctl, 832 #endif 833 .llseek = noop_llseek, 834 }; 835 836 static struct drm_driver 837 driver_stub = { 838 .driver_features = 839 DRIVER_USE_AGP | 840 DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME | DRIVER_RENDER, 841 842 .load = nouveau_drm_load, 843 .unload = nouveau_drm_unload, 844 .open = nouveau_drm_open, 845 .preclose = nouveau_drm_preclose, 846 .postclose = nouveau_drm_postclose, 847 .lastclose = nouveau_vga_lastclose, 848 849 #if defined(CONFIG_DEBUG_FS) 850 .debugfs_init = nouveau_debugfs_init, 851 .debugfs_cleanup = nouveau_debugfs_takedown, 852 #endif 853 854 .get_vblank_counter = drm_vblank_count, 855 .enable_vblank = nouveau_display_vblank_enable, 856 .disable_vblank = nouveau_display_vblank_disable, 857 .get_scanout_position = nouveau_display_scanoutpos, 858 .get_vblank_timestamp = nouveau_display_vblstamp, 859 860 .ioctls = nouveau_ioctls, 861 .num_ioctls = ARRAY_SIZE(nouveau_ioctls), 862 .fops = &nouveau_driver_fops, 863 864 .prime_handle_to_fd = drm_gem_prime_handle_to_fd, 865 .prime_fd_to_handle = drm_gem_prime_fd_to_handle, 866 .gem_prime_export = drm_gem_prime_export, 867 .gem_prime_import = drm_gem_prime_import, 868 .gem_prime_pin = nouveau_gem_prime_pin, 869 .gem_prime_res_obj = nouveau_gem_prime_res_obj, 870 .gem_prime_unpin = nouveau_gem_prime_unpin, 871 .gem_prime_get_sg_table = nouveau_gem_prime_get_sg_table, 872 .gem_prime_import_sg_table = nouveau_gem_prime_import_sg_table, 873 .gem_prime_vmap = nouveau_gem_prime_vmap, 874 .gem_prime_vunmap = nouveau_gem_prime_vunmap, 875 876 .gem_free_object = nouveau_gem_object_del, 877 .gem_open_object = nouveau_gem_object_open, 878 .gem_close_object = nouveau_gem_object_close, 879 880 .dumb_create = nouveau_display_dumb_create, 881 .dumb_map_offset = nouveau_display_dumb_map_offset, 882 .dumb_destroy = drm_gem_dumb_destroy, 883 884 .name = DRIVER_NAME, 885 .desc = DRIVER_DESC, 886 #ifdef GIT_REVISION 887 .date = GIT_REVISION, 888 #else 889 .date = DRIVER_DATE, 890 #endif 891 .major = DRIVER_MAJOR, 892 .minor = DRIVER_MINOR, 893 .patchlevel = DRIVER_PATCHLEVEL, 894 }; 895 896 static struct pci_device_id 897 nouveau_drm_pci_table[] = { 898 { 899 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID), 900 .class = PCI_BASE_CLASS_DISPLAY << 16, 901 .class_mask = 0xff << 16, 902 }, 903 { 904 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS, PCI_ANY_ID), 905 .class = PCI_BASE_CLASS_DISPLAY << 16, 906 .class_mask = 0xff << 16, 907 }, 908 {} 909 }; 910 911 static int nouveau_pmops_runtime_suspend(struct device *dev) 912 { 913 struct pci_dev *pdev = to_pci_dev(dev); 914 struct drm_device *drm_dev = pci_get_drvdata(pdev); 915 int ret; 916 917 if (nouveau_runtime_pm == 0) { 918 pm_runtime_forbid(dev); 919 return -EBUSY; 920 } 921 922 /* are we optimus enabled? */ 923 if (nouveau_runtime_pm == -1 && !nouveau_is_optimus() && !nouveau_is_v1_dsm()) { 924 DRM_DEBUG_DRIVER("failing to power off - not optimus\n"); 925 pm_runtime_forbid(dev); 926 return -EBUSY; 927 } 928 929 nv_debug_level(SILENT); 930 drm_kms_helper_poll_disable(drm_dev); 931 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF); 932 nouveau_switcheroo_optimus_dsm(); 933 ret = nouveau_do_suspend(drm_dev, true); 934 pci_save_state(pdev); 935 pci_disable_device(pdev); 936 pci_set_power_state(pdev, PCI_D3cold); 937 drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF; 938 return ret; 939 } 940 941 static int nouveau_pmops_runtime_resume(struct device *dev) 942 { 943 struct pci_dev *pdev = to_pci_dev(dev); 944 struct drm_device *drm_dev = pci_get_drvdata(pdev); 945 struct nvif_device *device = &nouveau_drm(drm_dev)->device; 946 int ret; 947 948 if (nouveau_runtime_pm == 0) 949 return -EINVAL; 950 951 pci_set_power_state(pdev, PCI_D0); 952 pci_restore_state(pdev); 953 ret = pci_enable_device(pdev); 954 if (ret) 955 return ret; 956 pci_set_master(pdev); 957 958 ret = nouveau_do_resume(drm_dev, true); 959 drm_kms_helper_poll_enable(drm_dev); 960 /* do magic */ 961 nvif_mask(device, 0x88488, (1 << 25), (1 << 25)); 962 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_ON); 963 drm_dev->switch_power_state = DRM_SWITCH_POWER_ON; 964 nv_debug_level(NORMAL); 965 return ret; 966 } 967 968 static int nouveau_pmops_runtime_idle(struct device *dev) 969 { 970 struct pci_dev *pdev = to_pci_dev(dev); 971 struct drm_device *drm_dev = pci_get_drvdata(pdev); 972 struct nouveau_drm *drm = nouveau_drm(drm_dev); 973 struct drm_crtc *crtc; 974 975 if (nouveau_runtime_pm == 0) { 976 pm_runtime_forbid(dev); 977 return -EBUSY; 978 } 979 980 /* are we optimus enabled? */ 981 if (nouveau_runtime_pm == -1 && !nouveau_is_optimus() && !nouveau_is_v1_dsm()) { 982 DRM_DEBUG_DRIVER("failing to power off - not optimus\n"); 983 pm_runtime_forbid(dev); 984 return -EBUSY; 985 } 986 987 /* if we have a hdmi audio device - make sure it has a driver loaded */ 988 if (drm->hdmi_device) { 989 if (!drm->hdmi_device->driver) { 990 DRM_DEBUG_DRIVER("failing to power off - no HDMI audio driver loaded\n"); 991 pm_runtime_mark_last_busy(dev); 992 return -EBUSY; 993 } 994 } 995 996 list_for_each_entry(crtc, &drm->dev->mode_config.crtc_list, head) { 997 if (crtc->enabled) { 998 DRM_DEBUG_DRIVER("failing to power off - crtc active\n"); 999 return -EBUSY; 1000 } 1001 } 1002 pm_runtime_mark_last_busy(dev); 1003 pm_runtime_autosuspend(dev); 1004 /* we don't want the main rpm_idle to call suspend - we want to autosuspend */ 1005 return 1; 1006 } 1007 1008 static void nouveau_display_options(void) 1009 { 1010 DRM_DEBUG_DRIVER("Loading Nouveau with parameters:\n"); 1011 1012 DRM_DEBUG_DRIVER("... tv_disable : %d\n", nouveau_tv_disable); 1013 DRM_DEBUG_DRIVER("... ignorelid : %d\n", nouveau_ignorelid); 1014 DRM_DEBUG_DRIVER("... duallink : %d\n", nouveau_duallink); 1015 DRM_DEBUG_DRIVER("... nofbaccel : %d\n", nouveau_nofbaccel); 1016 DRM_DEBUG_DRIVER("... config : %s\n", nouveau_config); 1017 DRM_DEBUG_DRIVER("... debug : %s\n", nouveau_debug); 1018 DRM_DEBUG_DRIVER("... noaccel : %d\n", nouveau_noaccel); 1019 DRM_DEBUG_DRIVER("... modeset : %d\n", nouveau_modeset); 1020 DRM_DEBUG_DRIVER("... runpm : %d\n", nouveau_runtime_pm); 1021 DRM_DEBUG_DRIVER("... vram_pushbuf : %d\n", nouveau_vram_pushbuf); 1022 DRM_DEBUG_DRIVER("... pstate : %d\n", nouveau_pstate); 1023 } 1024 1025 static const struct dev_pm_ops nouveau_pm_ops = { 1026 .suspend = nouveau_pmops_suspend, 1027 .resume = nouveau_pmops_resume, 1028 .freeze = nouveau_pmops_freeze, 1029 .thaw = nouveau_pmops_thaw, 1030 .poweroff = nouveau_pmops_freeze, 1031 .restore = nouveau_pmops_resume, 1032 .runtime_suspend = nouveau_pmops_runtime_suspend, 1033 .runtime_resume = nouveau_pmops_runtime_resume, 1034 .runtime_idle = nouveau_pmops_runtime_idle, 1035 }; 1036 1037 static struct pci_driver 1038 nouveau_drm_pci_driver = { 1039 .name = "nouveau", 1040 .id_table = nouveau_drm_pci_table, 1041 .probe = nouveau_drm_probe, 1042 .remove = nouveau_drm_remove, 1043 .driver.pm = &nouveau_pm_ops, 1044 }; 1045 1046 struct drm_device * 1047 nouveau_platform_device_create_(struct platform_device *pdev, int size, 1048 void **pobject) 1049 { 1050 struct drm_device *drm; 1051 int err; 1052 1053 err = nouveau_device_create_(pdev, NOUVEAU_BUS_PLATFORM, 1054 nouveau_platform_name(pdev), 1055 dev_name(&pdev->dev), nouveau_config, 1056 nouveau_debug, size, pobject); 1057 if (err) 1058 return ERR_PTR(err); 1059 1060 drm = drm_dev_alloc(&driver_platform, &pdev->dev); 1061 if (!drm) { 1062 err = -ENOMEM; 1063 goto err_free; 1064 } 1065 1066 err = drm_dev_set_unique(drm, "%s", dev_name(&pdev->dev)); 1067 if (err < 0) 1068 goto err_free; 1069 1070 drm->platformdev = pdev; 1071 platform_set_drvdata(pdev, drm); 1072 1073 return drm; 1074 1075 err_free: 1076 nouveau_object_ref(NULL, (struct nouveau_object **)pobject); 1077 1078 return ERR_PTR(err); 1079 } 1080 EXPORT_SYMBOL(nouveau_platform_device_create_); 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 driver_platform.set_busid = drm_platform_set_busid; 1089 1090 nouveau_display_options(); 1091 1092 if (nouveau_modeset == -1) { 1093 #ifdef CONFIG_VGA_CONSOLE 1094 if (vgacon_text_force()) 1095 nouveau_modeset = 0; 1096 #endif 1097 } 1098 1099 if (!nouveau_modeset) 1100 return 0; 1101 1102 nouveau_register_dsm_handler(); 1103 return drm_pci_init(&driver_pci, &nouveau_drm_pci_driver); 1104 } 1105 1106 static void __exit 1107 nouveau_drm_exit(void) 1108 { 1109 if (!nouveau_modeset) 1110 return; 1111 1112 drm_pci_exit(&driver_pci, &nouveau_drm_pci_driver); 1113 nouveau_unregister_dsm_handler(); 1114 } 1115 1116 module_init(nouveau_drm_init); 1117 module_exit(nouveau_drm_exit); 1118 1119 MODULE_DEVICE_TABLE(pci, nouveau_drm_pci_table); 1120 MODULE_AUTHOR(DRIVER_AUTHOR); 1121 MODULE_DESCRIPTION(DRIVER_DESC); 1122 MODULE_LICENSE("GPL and additional rights"); 1123