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 dev->irq_enabled = true; 380 381 /* workaround an odd issue on nvc1 by disabling the device's 382 * nosnoop capability. hopefully won't cause issues until a 383 * better fix is found - assuming there is one... 384 */ 385 device = nv_device(drm->device); 386 if (nv_device(drm->device)->chipset == 0xc1) 387 nv_mask(device, 0x00088080, 0x00000800, 0x00000000); 388 389 nouveau_vga_init(drm); 390 nouveau_agp_init(drm); 391 392 if (device->card_type >= NV_50) { 393 ret = nouveau_vm_new(nv_device(drm->device), 0, (1ULL << 40), 394 0x1000, &drm->client.base.vm); 395 if (ret) 396 goto fail_device; 397 } 398 399 ret = nouveau_ttm_init(drm); 400 if (ret) 401 goto fail_ttm; 402 403 ret = nouveau_bios_init(dev); 404 if (ret) 405 goto fail_bios; 406 407 ret = nouveau_display_create(dev); 408 if (ret) 409 goto fail_dispctor; 410 411 if (dev->mode_config.num_crtc) { 412 ret = nouveau_display_init(dev); 413 if (ret) 414 goto fail_dispinit; 415 } 416 417 nouveau_sysfs_init(dev); 418 nouveau_hwmon_init(dev); 419 nouveau_accel_init(drm); 420 nouveau_fbcon_init(dev); 421 422 if (nouveau_runtime_pm != 0) { 423 pm_runtime_use_autosuspend(dev->dev); 424 pm_runtime_set_autosuspend_delay(dev->dev, 5000); 425 pm_runtime_set_active(dev->dev); 426 pm_runtime_allow(dev->dev); 427 pm_runtime_mark_last_busy(dev->dev); 428 pm_runtime_put(dev->dev); 429 } 430 return 0; 431 432 fail_dispinit: 433 nouveau_display_destroy(dev); 434 fail_dispctor: 435 nouveau_bios_takedown(dev); 436 fail_bios: 437 nouveau_ttm_fini(drm); 438 fail_ttm: 439 nouveau_agp_fini(drm); 440 nouveau_vga_fini(drm); 441 fail_device: 442 nouveau_cli_destroy(&drm->client); 443 return ret; 444 } 445 446 static int 447 nouveau_drm_unload(struct drm_device *dev) 448 { 449 struct nouveau_drm *drm = nouveau_drm(dev); 450 451 pm_runtime_get_sync(dev->dev); 452 nouveau_fbcon_fini(dev); 453 nouveau_accel_fini(drm); 454 nouveau_hwmon_fini(dev); 455 nouveau_sysfs_fini(dev); 456 457 if (dev->mode_config.num_crtc) 458 nouveau_display_fini(dev); 459 nouveau_display_destroy(dev); 460 461 nouveau_bios_takedown(dev); 462 463 nouveau_ttm_fini(drm); 464 nouveau_agp_fini(drm); 465 nouveau_vga_fini(drm); 466 467 if (drm->hdmi_device) 468 pci_dev_put(drm->hdmi_device); 469 nouveau_cli_destroy(&drm->client); 470 return 0; 471 } 472 473 static void 474 nouveau_drm_remove(struct pci_dev *pdev) 475 { 476 struct drm_device *dev = pci_get_drvdata(pdev); 477 struct nouveau_drm *drm = nouveau_drm(dev); 478 struct nouveau_object *device; 479 480 dev->irq_enabled = false; 481 device = drm->client.base.device; 482 drm_put_dev(dev); 483 484 nouveau_object_ref(NULL, &device); 485 nouveau_object_debug(); 486 } 487 488 static int 489 nouveau_do_suspend(struct drm_device *dev) 490 { 491 struct nouveau_drm *drm = nouveau_drm(dev); 492 struct nouveau_cli *cli; 493 int ret; 494 495 if (dev->mode_config.num_crtc) { 496 NV_INFO(drm, "suspending display...\n"); 497 ret = nouveau_display_suspend(dev); 498 if (ret) 499 return ret; 500 } 501 502 NV_INFO(drm, "evicting buffers...\n"); 503 ttm_bo_evict_mm(&drm->ttm.bdev, TTM_PL_VRAM); 504 505 NV_INFO(drm, "waiting for kernel channels to go idle...\n"); 506 if (drm->cechan) { 507 ret = nouveau_channel_idle(drm->cechan); 508 if (ret) 509 goto fail_display; 510 } 511 512 if (drm->channel) { 513 ret = nouveau_channel_idle(drm->channel); 514 if (ret) 515 goto fail_display; 516 } 517 518 NV_INFO(drm, "suspending client object trees...\n"); 519 if (drm->fence && nouveau_fence(drm)->suspend) { 520 if (!nouveau_fence(drm)->suspend(drm)) { 521 ret = -ENOMEM; 522 goto fail_display; 523 } 524 } 525 526 list_for_each_entry(cli, &drm->clients, head) { 527 ret = nouveau_client_fini(&cli->base, true); 528 if (ret) 529 goto fail_client; 530 } 531 532 NV_INFO(drm, "suspending kernel object tree...\n"); 533 ret = nouveau_client_fini(&drm->client.base, true); 534 if (ret) 535 goto fail_client; 536 537 nouveau_agp_fini(drm); 538 return 0; 539 540 fail_client: 541 list_for_each_entry_continue_reverse(cli, &drm->clients, head) { 542 nouveau_client_init(&cli->base); 543 } 544 545 if (drm->fence && nouveau_fence(drm)->resume) 546 nouveau_fence(drm)->resume(drm); 547 548 fail_display: 549 if (dev->mode_config.num_crtc) { 550 NV_INFO(drm, "resuming display...\n"); 551 nouveau_display_resume(dev); 552 } 553 return ret; 554 } 555 556 int nouveau_pmops_suspend(struct device *dev) 557 { 558 struct pci_dev *pdev = to_pci_dev(dev); 559 struct drm_device *drm_dev = pci_get_drvdata(pdev); 560 int ret; 561 562 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF || 563 drm_dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF) 564 return 0; 565 566 if (drm_dev->mode_config.num_crtc) 567 nouveau_fbcon_set_suspend(drm_dev, 1); 568 569 ret = nouveau_do_suspend(drm_dev); 570 if (ret) 571 return ret; 572 573 pci_save_state(pdev); 574 pci_disable_device(pdev); 575 pci_set_power_state(pdev, PCI_D3hot); 576 return 0; 577 } 578 579 static int 580 nouveau_do_resume(struct drm_device *dev) 581 { 582 struct nouveau_drm *drm = nouveau_drm(dev); 583 struct nouveau_cli *cli; 584 585 NV_INFO(drm, "re-enabling device...\n"); 586 587 nouveau_agp_reset(drm); 588 589 NV_INFO(drm, "resuming kernel object tree...\n"); 590 nouveau_client_init(&drm->client.base); 591 nouveau_agp_init(drm); 592 593 NV_INFO(drm, "resuming client object trees...\n"); 594 if (drm->fence && nouveau_fence(drm)->resume) 595 nouveau_fence(drm)->resume(drm); 596 597 list_for_each_entry(cli, &drm->clients, head) { 598 nouveau_client_init(&cli->base); 599 } 600 601 nouveau_run_vbios_init(dev); 602 603 if (dev->mode_config.num_crtc) { 604 NV_INFO(drm, "resuming display...\n"); 605 nouveau_display_repin(dev); 606 } 607 608 return 0; 609 } 610 611 int nouveau_pmops_resume(struct device *dev) 612 { 613 struct pci_dev *pdev = to_pci_dev(dev); 614 struct drm_device *drm_dev = pci_get_drvdata(pdev); 615 int ret; 616 617 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF || 618 drm_dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF) 619 return 0; 620 621 pci_set_power_state(pdev, PCI_D0); 622 pci_restore_state(pdev); 623 ret = pci_enable_device(pdev); 624 if (ret) 625 return ret; 626 pci_set_master(pdev); 627 628 ret = nouveau_do_resume(drm_dev); 629 if (ret) 630 return ret; 631 if (drm_dev->mode_config.num_crtc) 632 nouveau_fbcon_set_suspend(drm_dev, 0); 633 634 nouveau_fbcon_zfill_all(drm_dev); 635 if (drm_dev->mode_config.num_crtc) 636 nouveau_display_resume(drm_dev); 637 return 0; 638 } 639 640 static int nouveau_pmops_freeze(struct device *dev) 641 { 642 struct pci_dev *pdev = to_pci_dev(dev); 643 struct drm_device *drm_dev = pci_get_drvdata(pdev); 644 int ret; 645 646 if (drm_dev->mode_config.num_crtc) 647 nouveau_fbcon_set_suspend(drm_dev, 1); 648 649 ret = nouveau_do_suspend(drm_dev); 650 return ret; 651 } 652 653 static int nouveau_pmops_thaw(struct device *dev) 654 { 655 struct pci_dev *pdev = to_pci_dev(dev); 656 struct drm_device *drm_dev = pci_get_drvdata(pdev); 657 int ret; 658 659 ret = nouveau_do_resume(drm_dev); 660 if (ret) 661 return ret; 662 if (drm_dev->mode_config.num_crtc) 663 nouveau_fbcon_set_suspend(drm_dev, 0); 664 nouveau_fbcon_zfill_all(drm_dev); 665 if (drm_dev->mode_config.num_crtc) 666 nouveau_display_resume(drm_dev); 667 return 0; 668 } 669 670 671 static int 672 nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv) 673 { 674 struct pci_dev *pdev = dev->pdev; 675 struct nouveau_drm *drm = nouveau_drm(dev); 676 struct nouveau_cli *cli; 677 char name[32], tmpname[TASK_COMM_LEN]; 678 int ret; 679 680 /* need to bring up power immediately if opening device */ 681 ret = pm_runtime_get_sync(dev->dev); 682 if (ret < 0) 683 return ret; 684 685 get_task_comm(tmpname, current); 686 snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid)); 687 688 ret = nouveau_cli_create(pdev, name, sizeof(*cli), (void **)&cli); 689 if (ret) 690 goto out_suspend; 691 692 if (nv_device(drm->device)->card_type >= NV_50) { 693 ret = nouveau_vm_new(nv_device(drm->device), 0, (1ULL << 40), 694 0x1000, &cli->base.vm); 695 if (ret) { 696 nouveau_cli_destroy(cli); 697 goto out_suspend; 698 } 699 } 700 701 fpriv->driver_priv = cli; 702 703 mutex_lock(&drm->client.mutex); 704 list_add(&cli->head, &drm->clients); 705 mutex_unlock(&drm->client.mutex); 706 707 out_suspend: 708 pm_runtime_mark_last_busy(dev->dev); 709 pm_runtime_put_autosuspend(dev->dev); 710 711 return ret; 712 } 713 714 static void 715 nouveau_drm_preclose(struct drm_device *dev, struct drm_file *fpriv) 716 { 717 struct nouveau_cli *cli = nouveau_cli(fpriv); 718 struct nouveau_drm *drm = nouveau_drm(dev); 719 720 pm_runtime_get_sync(dev->dev); 721 722 if (cli->abi16) 723 nouveau_abi16_fini(cli->abi16); 724 725 mutex_lock(&drm->client.mutex); 726 list_del(&cli->head); 727 mutex_unlock(&drm->client.mutex); 728 729 } 730 731 static void 732 nouveau_drm_postclose(struct drm_device *dev, struct drm_file *fpriv) 733 { 734 struct nouveau_cli *cli = nouveau_cli(fpriv); 735 nouveau_cli_destroy(cli); 736 pm_runtime_mark_last_busy(dev->dev); 737 pm_runtime_put_autosuspend(dev->dev); 738 } 739 740 static const struct drm_ioctl_desc 741 nouveau_ioctls[] = { 742 DRM_IOCTL_DEF_DRV(NOUVEAU_GETPARAM, nouveau_abi16_ioctl_getparam, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 743 DRM_IOCTL_DEF_DRV(NOUVEAU_SETPARAM, nouveau_abi16_ioctl_setparam, DRM_UNLOCKED|DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 744 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_ALLOC, nouveau_abi16_ioctl_channel_alloc, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 745 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_FREE, nouveau_abi16_ioctl_channel_free, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 746 DRM_IOCTL_DEF_DRV(NOUVEAU_GROBJ_ALLOC, nouveau_abi16_ioctl_grobj_alloc, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 747 DRM_IOCTL_DEF_DRV(NOUVEAU_NOTIFIEROBJ_ALLOC, nouveau_abi16_ioctl_notifierobj_alloc, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 748 DRM_IOCTL_DEF_DRV(NOUVEAU_GPUOBJ_FREE, nouveau_abi16_ioctl_gpuobj_free, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 749 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_NEW, nouveau_gem_ioctl_new, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 750 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_PUSHBUF, nouveau_gem_ioctl_pushbuf, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 751 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_PREP, nouveau_gem_ioctl_cpu_prep, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 752 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_FINI, nouveau_gem_ioctl_cpu_fini, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 753 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_INFO, nouveau_gem_ioctl_info, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 754 }; 755 756 long nouveau_drm_ioctl(struct file *filp, 757 unsigned int cmd, unsigned long arg) 758 { 759 struct drm_file *file_priv = filp->private_data; 760 struct drm_device *dev; 761 long ret; 762 dev = file_priv->minor->dev; 763 764 ret = pm_runtime_get_sync(dev->dev); 765 if (ret < 0) 766 return ret; 767 768 ret = drm_ioctl(filp, cmd, arg); 769 770 pm_runtime_mark_last_busy(dev->dev); 771 pm_runtime_put_autosuspend(dev->dev); 772 return ret; 773 } 774 static const struct file_operations 775 nouveau_driver_fops = { 776 .owner = THIS_MODULE, 777 .open = drm_open, 778 .release = drm_release, 779 .unlocked_ioctl = nouveau_drm_ioctl, 780 .mmap = nouveau_ttm_mmap, 781 .poll = drm_poll, 782 .read = drm_read, 783 #if defined(CONFIG_COMPAT) 784 .compat_ioctl = nouveau_compat_ioctl, 785 #endif 786 .llseek = noop_llseek, 787 }; 788 789 static struct drm_driver 790 driver = { 791 .driver_features = 792 DRIVER_USE_AGP | 793 DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME | DRIVER_RENDER, 794 795 .load = nouveau_drm_load, 796 .unload = nouveau_drm_unload, 797 .open = nouveau_drm_open, 798 .preclose = nouveau_drm_preclose, 799 .postclose = nouveau_drm_postclose, 800 .lastclose = nouveau_vga_lastclose, 801 802 #if defined(CONFIG_DEBUG_FS) 803 .debugfs_init = nouveau_debugfs_init, 804 .debugfs_cleanup = nouveau_debugfs_takedown, 805 #endif 806 807 .get_vblank_counter = drm_vblank_count, 808 .enable_vblank = nouveau_display_vblank_enable, 809 .disable_vblank = nouveau_display_vblank_disable, 810 .get_scanout_position = nouveau_display_scanoutpos, 811 .get_vblank_timestamp = nouveau_display_vblstamp, 812 813 .ioctls = nouveau_ioctls, 814 .num_ioctls = ARRAY_SIZE(nouveau_ioctls), 815 .fops = &nouveau_driver_fops, 816 817 .prime_handle_to_fd = drm_gem_prime_handle_to_fd, 818 .prime_fd_to_handle = drm_gem_prime_fd_to_handle, 819 .gem_prime_export = drm_gem_prime_export, 820 .gem_prime_import = drm_gem_prime_import, 821 .gem_prime_pin = nouveau_gem_prime_pin, 822 .gem_prime_unpin = nouveau_gem_prime_unpin, 823 .gem_prime_get_sg_table = nouveau_gem_prime_get_sg_table, 824 .gem_prime_import_sg_table = nouveau_gem_prime_import_sg_table, 825 .gem_prime_vmap = nouveau_gem_prime_vmap, 826 .gem_prime_vunmap = nouveau_gem_prime_vunmap, 827 828 .gem_free_object = nouveau_gem_object_del, 829 .gem_open_object = nouveau_gem_object_open, 830 .gem_close_object = nouveau_gem_object_close, 831 832 .dumb_create = nouveau_display_dumb_create, 833 .dumb_map_offset = nouveau_display_dumb_map_offset, 834 .dumb_destroy = drm_gem_dumb_destroy, 835 836 .name = DRIVER_NAME, 837 .desc = DRIVER_DESC, 838 #ifdef GIT_REVISION 839 .date = GIT_REVISION, 840 #else 841 .date = DRIVER_DATE, 842 #endif 843 .major = DRIVER_MAJOR, 844 .minor = DRIVER_MINOR, 845 .patchlevel = DRIVER_PATCHLEVEL, 846 }; 847 848 static struct pci_device_id 849 nouveau_drm_pci_table[] = { 850 { 851 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID), 852 .class = PCI_BASE_CLASS_DISPLAY << 16, 853 .class_mask = 0xff << 16, 854 }, 855 { 856 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS, PCI_ANY_ID), 857 .class = PCI_BASE_CLASS_DISPLAY << 16, 858 .class_mask = 0xff << 16, 859 }, 860 {} 861 }; 862 863 static int nouveau_pmops_runtime_suspend(struct device *dev) 864 { 865 struct pci_dev *pdev = to_pci_dev(dev); 866 struct drm_device *drm_dev = pci_get_drvdata(pdev); 867 int ret; 868 869 if (nouveau_runtime_pm == 0) 870 return -EINVAL; 871 872 /* are we optimus enabled? */ 873 if (nouveau_runtime_pm == -1 && !nouveau_is_optimus() && !nouveau_is_v1_dsm()) { 874 DRM_DEBUG_DRIVER("failing to power off - not optimus\n"); 875 return -EINVAL; 876 } 877 878 nv_debug_level(SILENT); 879 drm_kms_helper_poll_disable(drm_dev); 880 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF); 881 nouveau_switcheroo_optimus_dsm(); 882 ret = nouveau_do_suspend(drm_dev); 883 pci_save_state(pdev); 884 pci_disable_device(pdev); 885 pci_set_power_state(pdev, PCI_D3cold); 886 drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF; 887 return ret; 888 } 889 890 static int nouveau_pmops_runtime_resume(struct device *dev) 891 { 892 struct pci_dev *pdev = to_pci_dev(dev); 893 struct drm_device *drm_dev = pci_get_drvdata(pdev); 894 struct nouveau_device *device = nouveau_dev(drm_dev); 895 int ret; 896 897 if (nouveau_runtime_pm == 0) 898 return -EINVAL; 899 900 pci_set_power_state(pdev, PCI_D0); 901 pci_restore_state(pdev); 902 ret = pci_enable_device(pdev); 903 if (ret) 904 return ret; 905 pci_set_master(pdev); 906 907 ret = nouveau_do_resume(drm_dev); 908 if (drm_dev->mode_config.num_crtc) 909 nouveau_display_resume(drm_dev); 910 drm_kms_helper_poll_enable(drm_dev); 911 /* do magic */ 912 nv_mask(device, 0x88488, (1 << 25), (1 << 25)); 913 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_ON); 914 drm_dev->switch_power_state = DRM_SWITCH_POWER_ON; 915 nv_debug_level(NORMAL); 916 return ret; 917 } 918 919 static int nouveau_pmops_runtime_idle(struct device *dev) 920 { 921 struct pci_dev *pdev = to_pci_dev(dev); 922 struct drm_device *drm_dev = pci_get_drvdata(pdev); 923 struct nouveau_drm *drm = nouveau_drm(drm_dev); 924 struct drm_crtc *crtc; 925 926 if (nouveau_runtime_pm == 0) 927 return -EBUSY; 928 929 /* are we optimus enabled? */ 930 if (nouveau_runtime_pm == -1 && !nouveau_is_optimus() && !nouveau_is_v1_dsm()) { 931 DRM_DEBUG_DRIVER("failing to power off - not optimus\n"); 932 return -EBUSY; 933 } 934 935 /* if we have a hdmi audio device - make sure it has a driver loaded */ 936 if (drm->hdmi_device) { 937 if (!drm->hdmi_device->driver) { 938 DRM_DEBUG_DRIVER("failing to power off - no HDMI audio driver loaded\n"); 939 pm_runtime_mark_last_busy(dev); 940 return -EBUSY; 941 } 942 } 943 944 list_for_each_entry(crtc, &drm->dev->mode_config.crtc_list, head) { 945 if (crtc->enabled) { 946 DRM_DEBUG_DRIVER("failing to power off - crtc active\n"); 947 return -EBUSY; 948 } 949 } 950 pm_runtime_mark_last_busy(dev); 951 pm_runtime_autosuspend(dev); 952 /* we don't want the main rpm_idle to call suspend - we want to autosuspend */ 953 return 1; 954 } 955 956 static const struct dev_pm_ops nouveau_pm_ops = { 957 .suspend = nouveau_pmops_suspend, 958 .resume = nouveau_pmops_resume, 959 .freeze = nouveau_pmops_freeze, 960 .thaw = nouveau_pmops_thaw, 961 .poweroff = nouveau_pmops_freeze, 962 .restore = nouveau_pmops_resume, 963 .runtime_suspend = nouveau_pmops_runtime_suspend, 964 .runtime_resume = nouveau_pmops_runtime_resume, 965 .runtime_idle = nouveau_pmops_runtime_idle, 966 }; 967 968 static struct pci_driver 969 nouveau_drm_pci_driver = { 970 .name = "nouveau", 971 .id_table = nouveau_drm_pci_table, 972 .probe = nouveau_drm_probe, 973 .remove = nouveau_drm_remove, 974 .driver.pm = &nouveau_pm_ops, 975 }; 976 977 static int __init 978 nouveau_drm_init(void) 979 { 980 if (nouveau_modeset == -1) { 981 #ifdef CONFIG_VGA_CONSOLE 982 if (vgacon_text_force()) 983 nouveau_modeset = 0; 984 #endif 985 } 986 987 if (!nouveau_modeset) 988 return 0; 989 990 nouveau_register_dsm_handler(); 991 return drm_pci_init(&driver, &nouveau_drm_pci_driver); 992 } 993 994 static void __exit 995 nouveau_drm_exit(void) 996 { 997 if (!nouveau_modeset) 998 return; 999 1000 drm_pci_exit(&driver, &nouveau_drm_pci_driver); 1001 nouveau_unregister_dsm_handler(); 1002 } 1003 1004 module_init(nouveau_drm_init); 1005 module_exit(nouveau_drm_exit); 1006 1007 MODULE_DEVICE_TABLE(pci, nouveau_drm_pci_table); 1008 MODULE_AUTHOR(DRIVER_AUTHOR); 1009 MODULE_DESCRIPTION(DRIVER_DESC); 1010 MODULE_LICENSE("GPL and additional rights"); 1011