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 if (drm_dev->mode_config.num_crtc) 656 nouveau_fbcon_set_suspend(drm_dev, 0); 657 658 nouveau_fbcon_zfill_all(drm_dev); 659 if (drm_dev->mode_config.num_crtc) 660 nouveau_display_resume(drm_dev); 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 if (drm_dev->mode_config.num_crtc) 687 nouveau_fbcon_set_suspend(drm_dev, 0); 688 nouveau_fbcon_zfill_all(drm_dev); 689 if (drm_dev->mode_config.num_crtc) 690 nouveau_display_resume(drm_dev); 691 return 0; 692 } 693 694 695 static int 696 nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv) 697 { 698 struct nouveau_drm *drm = nouveau_drm(dev); 699 struct nouveau_cli *cli; 700 char name[32], tmpname[TASK_COMM_LEN]; 701 int ret; 702 703 /* need to bring up power immediately if opening device */ 704 ret = pm_runtime_get_sync(dev->dev); 705 if (ret < 0 && ret != -EACCES) 706 return ret; 707 708 get_task_comm(tmpname, current); 709 snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid)); 710 711 ret = nouveau_cli_create(nouveau_name(dev), name, sizeof(*cli), 712 (void **)&cli); 713 714 if (ret) 715 goto out_suspend; 716 717 if (nv_device(drm->device)->card_type >= NV_50) { 718 ret = nouveau_vm_new(nv_device(drm->device), 0, (1ULL << 40), 719 0x1000, &cli->base.vm); 720 if (ret) { 721 nouveau_cli_destroy(cli); 722 goto out_suspend; 723 } 724 } 725 726 fpriv->driver_priv = cli; 727 728 mutex_lock(&drm->client.mutex); 729 list_add(&cli->head, &drm->clients); 730 mutex_unlock(&drm->client.mutex); 731 732 out_suspend: 733 pm_runtime_mark_last_busy(dev->dev); 734 pm_runtime_put_autosuspend(dev->dev); 735 736 return ret; 737 } 738 739 static void 740 nouveau_drm_preclose(struct drm_device *dev, struct drm_file *fpriv) 741 { 742 struct nouveau_cli *cli = nouveau_cli(fpriv); 743 struct nouveau_drm *drm = nouveau_drm(dev); 744 745 pm_runtime_get_sync(dev->dev); 746 747 if (cli->abi16) 748 nouveau_abi16_fini(cli->abi16); 749 750 mutex_lock(&drm->client.mutex); 751 list_del(&cli->head); 752 mutex_unlock(&drm->client.mutex); 753 754 } 755 756 static void 757 nouveau_drm_postclose(struct drm_device *dev, struct drm_file *fpriv) 758 { 759 struct nouveau_cli *cli = nouveau_cli(fpriv); 760 nouveau_cli_destroy(cli); 761 pm_runtime_mark_last_busy(dev->dev); 762 pm_runtime_put_autosuspend(dev->dev); 763 } 764 765 static const struct drm_ioctl_desc 766 nouveau_ioctls[] = { 767 DRM_IOCTL_DEF_DRV(NOUVEAU_GETPARAM, nouveau_abi16_ioctl_getparam, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 768 DRM_IOCTL_DEF_DRV(NOUVEAU_SETPARAM, nouveau_abi16_ioctl_setparam, DRM_UNLOCKED|DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 769 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_ALLOC, nouveau_abi16_ioctl_channel_alloc, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 770 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_FREE, nouveau_abi16_ioctl_channel_free, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 771 DRM_IOCTL_DEF_DRV(NOUVEAU_GROBJ_ALLOC, nouveau_abi16_ioctl_grobj_alloc, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 772 DRM_IOCTL_DEF_DRV(NOUVEAU_NOTIFIEROBJ_ALLOC, nouveau_abi16_ioctl_notifierobj_alloc, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 773 DRM_IOCTL_DEF_DRV(NOUVEAU_GPUOBJ_FREE, nouveau_abi16_ioctl_gpuobj_free, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 774 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_NEW, nouveau_gem_ioctl_new, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 775 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_PUSHBUF, nouveau_gem_ioctl_pushbuf, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 776 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_PREP, nouveau_gem_ioctl_cpu_prep, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 777 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_FINI, nouveau_gem_ioctl_cpu_fini, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 778 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_INFO, nouveau_gem_ioctl_info, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 779 }; 780 781 long nouveau_drm_ioctl(struct file *filp, 782 unsigned int cmd, unsigned long arg) 783 { 784 struct drm_file *file_priv = filp->private_data; 785 struct drm_device *dev; 786 long ret; 787 dev = file_priv->minor->dev; 788 789 ret = pm_runtime_get_sync(dev->dev); 790 if (ret < 0 && ret != -EACCES) 791 return ret; 792 793 ret = drm_ioctl(filp, cmd, arg); 794 795 pm_runtime_mark_last_busy(dev->dev); 796 pm_runtime_put_autosuspend(dev->dev); 797 return ret; 798 } 799 static const struct file_operations 800 nouveau_driver_fops = { 801 .owner = THIS_MODULE, 802 .open = drm_open, 803 .release = drm_release, 804 .unlocked_ioctl = nouveau_drm_ioctl, 805 .mmap = nouveau_ttm_mmap, 806 .poll = drm_poll, 807 .read = drm_read, 808 #if defined(CONFIG_COMPAT) 809 .compat_ioctl = nouveau_compat_ioctl, 810 #endif 811 .llseek = noop_llseek, 812 }; 813 814 static struct drm_driver 815 driver = { 816 .driver_features = 817 DRIVER_USE_AGP | 818 DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME | DRIVER_RENDER, 819 820 .load = nouveau_drm_load, 821 .unload = nouveau_drm_unload, 822 .open = nouveau_drm_open, 823 .preclose = nouveau_drm_preclose, 824 .postclose = nouveau_drm_postclose, 825 .lastclose = nouveau_vga_lastclose, 826 827 #if defined(CONFIG_DEBUG_FS) 828 .debugfs_init = nouveau_debugfs_init, 829 .debugfs_cleanup = nouveau_debugfs_takedown, 830 #endif 831 832 .get_vblank_counter = drm_vblank_count, 833 .enable_vblank = nouveau_display_vblank_enable, 834 .disable_vblank = nouveau_display_vblank_disable, 835 .get_scanout_position = nouveau_display_scanoutpos, 836 .get_vblank_timestamp = nouveau_display_vblstamp, 837 838 .ioctls = nouveau_ioctls, 839 .num_ioctls = ARRAY_SIZE(nouveau_ioctls), 840 .fops = &nouveau_driver_fops, 841 842 .prime_handle_to_fd = drm_gem_prime_handle_to_fd, 843 .prime_fd_to_handle = drm_gem_prime_fd_to_handle, 844 .gem_prime_export = drm_gem_prime_export, 845 .gem_prime_import = drm_gem_prime_import, 846 .gem_prime_pin = nouveau_gem_prime_pin, 847 .gem_prime_unpin = nouveau_gem_prime_unpin, 848 .gem_prime_get_sg_table = nouveau_gem_prime_get_sg_table, 849 .gem_prime_import_sg_table = nouveau_gem_prime_import_sg_table, 850 .gem_prime_vmap = nouveau_gem_prime_vmap, 851 .gem_prime_vunmap = nouveau_gem_prime_vunmap, 852 853 .gem_free_object = nouveau_gem_object_del, 854 .gem_open_object = nouveau_gem_object_open, 855 .gem_close_object = nouveau_gem_object_close, 856 857 .dumb_create = nouveau_display_dumb_create, 858 .dumb_map_offset = nouveau_display_dumb_map_offset, 859 .dumb_destroy = drm_gem_dumb_destroy, 860 861 .name = DRIVER_NAME, 862 .desc = DRIVER_DESC, 863 #ifdef GIT_REVISION 864 .date = GIT_REVISION, 865 #else 866 .date = DRIVER_DATE, 867 #endif 868 .major = DRIVER_MAJOR, 869 .minor = DRIVER_MINOR, 870 .patchlevel = DRIVER_PATCHLEVEL, 871 }; 872 873 static struct pci_device_id 874 nouveau_drm_pci_table[] = { 875 { 876 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID), 877 .class = PCI_BASE_CLASS_DISPLAY << 16, 878 .class_mask = 0xff << 16, 879 }, 880 { 881 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS, PCI_ANY_ID), 882 .class = PCI_BASE_CLASS_DISPLAY << 16, 883 .class_mask = 0xff << 16, 884 }, 885 {} 886 }; 887 888 static int nouveau_pmops_runtime_suspend(struct device *dev) 889 { 890 struct pci_dev *pdev = to_pci_dev(dev); 891 struct drm_device *drm_dev = pci_get_drvdata(pdev); 892 int ret; 893 894 if (nouveau_runtime_pm == 0) { 895 pm_runtime_forbid(dev); 896 return -EBUSY; 897 } 898 899 /* are we optimus enabled? */ 900 if (nouveau_runtime_pm == -1 && !nouveau_is_optimus() && !nouveau_is_v1_dsm()) { 901 DRM_DEBUG_DRIVER("failing to power off - not optimus\n"); 902 pm_runtime_forbid(dev); 903 return -EBUSY; 904 } 905 906 nv_debug_level(SILENT); 907 drm_kms_helper_poll_disable(drm_dev); 908 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF); 909 nouveau_switcheroo_optimus_dsm(); 910 ret = nouveau_do_suspend(drm_dev, true); 911 pci_save_state(pdev); 912 pci_disable_device(pdev); 913 pci_set_power_state(pdev, PCI_D3cold); 914 drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF; 915 return ret; 916 } 917 918 static int nouveau_pmops_runtime_resume(struct device *dev) 919 { 920 struct pci_dev *pdev = to_pci_dev(dev); 921 struct drm_device *drm_dev = pci_get_drvdata(pdev); 922 struct nouveau_device *device = nouveau_dev(drm_dev); 923 int ret; 924 925 if (nouveau_runtime_pm == 0) 926 return -EINVAL; 927 928 pci_set_power_state(pdev, PCI_D0); 929 pci_restore_state(pdev); 930 ret = pci_enable_device(pdev); 931 if (ret) 932 return ret; 933 pci_set_master(pdev); 934 935 ret = nouveau_do_resume(drm_dev); 936 drm_kms_helper_poll_enable(drm_dev); 937 /* do magic */ 938 nv_mask(device, 0x88488, (1 << 25), (1 << 25)); 939 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_ON); 940 drm_dev->switch_power_state = DRM_SWITCH_POWER_ON; 941 nv_debug_level(NORMAL); 942 return ret; 943 } 944 945 static int nouveau_pmops_runtime_idle(struct device *dev) 946 { 947 struct pci_dev *pdev = to_pci_dev(dev); 948 struct drm_device *drm_dev = pci_get_drvdata(pdev); 949 struct nouveau_drm *drm = nouveau_drm(drm_dev); 950 struct drm_crtc *crtc; 951 952 if (nouveau_runtime_pm == 0) { 953 pm_runtime_forbid(dev); 954 return -EBUSY; 955 } 956 957 /* are we optimus enabled? */ 958 if (nouveau_runtime_pm == -1 && !nouveau_is_optimus() && !nouveau_is_v1_dsm()) { 959 DRM_DEBUG_DRIVER("failing to power off - not optimus\n"); 960 pm_runtime_forbid(dev); 961 return -EBUSY; 962 } 963 964 /* if we have a hdmi audio device - make sure it has a driver loaded */ 965 if (drm->hdmi_device) { 966 if (!drm->hdmi_device->driver) { 967 DRM_DEBUG_DRIVER("failing to power off - no HDMI audio driver loaded\n"); 968 pm_runtime_mark_last_busy(dev); 969 return -EBUSY; 970 } 971 } 972 973 list_for_each_entry(crtc, &drm->dev->mode_config.crtc_list, head) { 974 if (crtc->enabled) { 975 DRM_DEBUG_DRIVER("failing to power off - crtc active\n"); 976 return -EBUSY; 977 } 978 } 979 pm_runtime_mark_last_busy(dev); 980 pm_runtime_autosuspend(dev); 981 /* we don't want the main rpm_idle to call suspend - we want to autosuspend */ 982 return 1; 983 } 984 985 static const struct dev_pm_ops nouveau_pm_ops = { 986 .suspend = nouveau_pmops_suspend, 987 .resume = nouveau_pmops_resume, 988 .freeze = nouveau_pmops_freeze, 989 .thaw = nouveau_pmops_thaw, 990 .poweroff = nouveau_pmops_freeze, 991 .restore = nouveau_pmops_resume, 992 .runtime_suspend = nouveau_pmops_runtime_suspend, 993 .runtime_resume = nouveau_pmops_runtime_resume, 994 .runtime_idle = nouveau_pmops_runtime_idle, 995 }; 996 997 static struct pci_driver 998 nouveau_drm_pci_driver = { 999 .name = "nouveau", 1000 .id_table = nouveau_drm_pci_table, 1001 .probe = nouveau_drm_probe, 1002 .remove = nouveau_drm_remove, 1003 .driver.pm = &nouveau_pm_ops, 1004 }; 1005 1006 int nouveau_drm_platform_probe(struct platform_device *pdev) 1007 { 1008 struct nouveau_device *device; 1009 int ret; 1010 1011 ret = nouveau_device_create(pdev, NOUVEAU_BUS_PLATFORM, 1012 nouveau_platform_name(pdev), 1013 dev_name(&pdev->dev), nouveau_config, 1014 nouveau_debug, &device); 1015 1016 ret = drm_platform_init(&driver, pdev); 1017 if (ret) { 1018 nouveau_object_ref(NULL, (struct nouveau_object **)&device); 1019 return ret; 1020 } 1021 1022 return ret; 1023 } 1024 1025 static int __init 1026 nouveau_drm_init(void) 1027 { 1028 if (nouveau_modeset == -1) { 1029 #ifdef CONFIG_VGA_CONSOLE 1030 if (vgacon_text_force()) 1031 nouveau_modeset = 0; 1032 #endif 1033 } 1034 1035 if (!nouveau_modeset) 1036 return 0; 1037 1038 nouveau_register_dsm_handler(); 1039 return drm_pci_init(&driver, &nouveau_drm_pci_driver); 1040 } 1041 1042 static void __exit 1043 nouveau_drm_exit(void) 1044 { 1045 if (!nouveau_modeset) 1046 return; 1047 1048 drm_pci_exit(&driver, &nouveau_drm_pci_driver); 1049 nouveau_unregister_dsm_handler(); 1050 } 1051 1052 module_init(nouveau_drm_init); 1053 module_exit(nouveau_drm_exit); 1054 1055 MODULE_DEVICE_TABLE(pci, nouveau_drm_pci_table); 1056 MODULE_AUTHOR(DRIVER_AUTHOR); 1057 MODULE_DESCRIPTION(DRIVER_DESC); 1058 MODULE_LICENSE("GPL and additional rights"); 1059