1 /* 2 * Copyright 2012 Red Hat Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: Ben Skeggs 23 */ 24 25 #include <linux/console.h> 26 #include <linux/module.h> 27 #include <linux/pci.h> 28 #include <linux/pm_runtime.h> 29 #include <linux/vga_switcheroo.h> 30 #include "drmP.h" 31 #include "drm_crtc_helper.h" 32 #include <core/device.h> 33 #include <core/client.h> 34 #include <core/gpuobj.h> 35 #include <core/class.h> 36 37 #include <engine/device.h> 38 #include <engine/disp.h> 39 #include <engine/fifo.h> 40 #include <engine/software.h> 41 42 #include <subdev/vm.h> 43 44 #include "nouveau_drm.h" 45 #include "nouveau_dma.h" 46 #include "nouveau_ttm.h" 47 #include "nouveau_gem.h" 48 #include "nouveau_agp.h" 49 #include "nouveau_vga.h" 50 #include "nouveau_sysfs.h" 51 #include "nouveau_hwmon.h" 52 #include "nouveau_acpi.h" 53 #include "nouveau_bios.h" 54 #include "nouveau_ioctl.h" 55 #include "nouveau_abi16.h" 56 #include "nouveau_fbcon.h" 57 #include "nouveau_fence.h" 58 #include "nouveau_debugfs.h" 59 60 MODULE_PARM_DESC(config, "option string to pass to driver core"); 61 static char *nouveau_config; 62 module_param_named(config, nouveau_config, charp, 0400); 63 64 MODULE_PARM_DESC(debug, "debug string to pass to driver core"); 65 static char *nouveau_debug; 66 module_param_named(debug, nouveau_debug, charp, 0400); 67 68 MODULE_PARM_DESC(noaccel, "disable kernel/abi16 acceleration"); 69 static int nouveau_noaccel = 0; 70 module_param_named(noaccel, nouveau_noaccel, int, 0400); 71 72 MODULE_PARM_DESC(modeset, "enable driver (default: auto, " 73 "0 = disabled, 1 = enabled, 2 = headless)"); 74 int nouveau_modeset = -1; 75 module_param_named(modeset, nouveau_modeset, int, 0400); 76 77 MODULE_PARM_DESC(runpm, "disable (0), force enable (1), optimus only default (-1)"); 78 int nouveau_runtime_pm = -1; 79 module_param_named(runpm, nouveau_runtime_pm, int, 0400); 80 81 static struct drm_driver driver; 82 83 static u64 84 nouveau_name(struct pci_dev *pdev) 85 { 86 u64 name = (u64)pci_domain_nr(pdev->bus) << 32; 87 name |= pdev->bus->number << 16; 88 name |= PCI_SLOT(pdev->devfn) << 8; 89 return name | PCI_FUNC(pdev->devfn); 90 } 91 92 static int 93 nouveau_cli_create(struct pci_dev *pdev, const char *name, 94 int size, void **pcli) 95 { 96 struct nouveau_cli *cli; 97 int ret; 98 99 *pcli = NULL; 100 ret = nouveau_client_create_(name, nouveau_name(pdev), nouveau_config, 101 nouveau_debug, size, pcli); 102 cli = *pcli; 103 if (ret) { 104 if (cli) 105 nouveau_client_destroy(&cli->base); 106 *pcli = NULL; 107 return ret; 108 } 109 110 mutex_init(&cli->mutex); 111 return 0; 112 } 113 114 static void 115 nouveau_cli_destroy(struct nouveau_cli *cli) 116 { 117 struct nouveau_object *client = nv_object(cli); 118 nouveau_vm_ref(NULL, &cli->base.vm, NULL); 119 nouveau_client_fini(&cli->base, false); 120 atomic_set(&client->refcount, 1); 121 nouveau_object_ref(NULL, &client); 122 } 123 124 static void 125 nouveau_accel_fini(struct nouveau_drm *drm) 126 { 127 nouveau_gpuobj_ref(NULL, &drm->notify); 128 nouveau_channel_del(&drm->channel); 129 nouveau_channel_del(&drm->cechan); 130 if (drm->fence) 131 nouveau_fence(drm)->dtor(drm); 132 } 133 134 static void 135 nouveau_accel_init(struct nouveau_drm *drm) 136 { 137 struct nouveau_device *device = nv_device(drm->device); 138 struct nouveau_object *object; 139 u32 arg0, arg1; 140 int ret; 141 142 if (nouveau_noaccel || !nouveau_fifo(device) /*XXX*/) 143 return; 144 145 /* initialise synchronisation routines */ 146 if (device->card_type < NV_10) ret = nv04_fence_create(drm); 147 else if (device->card_type < NV_11 || 148 device->chipset < 0x17) ret = nv10_fence_create(drm); 149 else if (device->card_type < NV_50) ret = nv17_fence_create(drm); 150 else if (device->chipset < 0x84) ret = nv50_fence_create(drm); 151 else if (device->card_type < NV_C0) ret = nv84_fence_create(drm); 152 else ret = nvc0_fence_create(drm); 153 if (ret) { 154 NV_ERROR(drm, "failed to initialise sync subsystem, %d\n", ret); 155 nouveau_accel_fini(drm); 156 return; 157 } 158 159 if (device->card_type >= NV_E0) { 160 ret = nouveau_channel_new(drm, &drm->client, NVDRM_DEVICE, 161 NVDRM_CHAN + 1, 162 NVE0_CHANNEL_IND_ENGINE_CE0 | 163 NVE0_CHANNEL_IND_ENGINE_CE1, 0, 164 &drm->cechan); 165 if (ret) 166 NV_ERROR(drm, "failed to create ce channel, %d\n", ret); 167 168 arg0 = NVE0_CHANNEL_IND_ENGINE_GR; 169 arg1 = 1; 170 } else 171 if (device->chipset >= 0xa3 && 172 device->chipset != 0xaa && 173 device->chipset != 0xac) { 174 ret = nouveau_channel_new(drm, &drm->client, NVDRM_DEVICE, 175 NVDRM_CHAN + 1, NvDmaFB, NvDmaTT, 176 &drm->cechan); 177 if (ret) 178 NV_ERROR(drm, "failed to create ce channel, %d\n", ret); 179 180 arg0 = NvDmaFB; 181 arg1 = NvDmaTT; 182 } else { 183 arg0 = NvDmaFB; 184 arg1 = NvDmaTT; 185 } 186 187 ret = nouveau_channel_new(drm, &drm->client, NVDRM_DEVICE, NVDRM_CHAN, 188 arg0, arg1, &drm->channel); 189 if (ret) { 190 NV_ERROR(drm, "failed to create kernel channel, %d\n", ret); 191 nouveau_accel_fini(drm); 192 return; 193 } 194 195 ret = nouveau_object_new(nv_object(drm), NVDRM_CHAN, NVDRM_NVSW, 196 nouveau_abi16_swclass(drm), NULL, 0, &object); 197 if (ret == 0) { 198 struct nouveau_software_chan *swch = (void *)object->parent; 199 ret = RING_SPACE(drm->channel, 2); 200 if (ret == 0) { 201 if (device->card_type < NV_C0) { 202 BEGIN_NV04(drm->channel, NvSubSw, 0, 1); 203 OUT_RING (drm->channel, NVDRM_NVSW); 204 } else 205 if (device->card_type < NV_E0) { 206 BEGIN_NVC0(drm->channel, FermiSw, 0, 1); 207 OUT_RING (drm->channel, 0x001f0000); 208 } 209 } 210 swch = (void *)object->parent; 211 swch->flip = nouveau_flip_complete; 212 swch->flip_data = drm->channel; 213 } 214 215 if (ret) { 216 NV_ERROR(drm, "failed to allocate software object, %d\n", ret); 217 nouveau_accel_fini(drm); 218 return; 219 } 220 221 if (device->card_type < NV_C0) { 222 ret = nouveau_gpuobj_new(drm->device, NULL, 32, 0, 0, 223 &drm->notify); 224 if (ret) { 225 NV_ERROR(drm, "failed to allocate notifier, %d\n", ret); 226 nouveau_accel_fini(drm); 227 return; 228 } 229 230 ret = nouveau_object_new(nv_object(drm), 231 drm->channel->handle, NvNotify0, 232 0x003d, &(struct nv_dma_class) { 233 .flags = NV_DMA_TARGET_VRAM | 234 NV_DMA_ACCESS_RDWR, 235 .start = drm->notify->addr, 236 .limit = drm->notify->addr + 31 237 }, sizeof(struct nv_dma_class), 238 &object); 239 if (ret) { 240 nouveau_accel_fini(drm); 241 return; 242 } 243 } 244 245 246 nouveau_bo_move_init(drm); 247 } 248 249 static int nouveau_drm_probe(struct pci_dev *pdev, 250 const struct pci_device_id *pent) 251 { 252 struct nouveau_device *device; 253 struct apertures_struct *aper; 254 bool boot = false; 255 int ret; 256 257 /* remove conflicting drivers (vesafb, efifb etc) */ 258 aper = alloc_apertures(3); 259 if (!aper) 260 return -ENOMEM; 261 262 aper->ranges[0].base = pci_resource_start(pdev, 1); 263 aper->ranges[0].size = pci_resource_len(pdev, 1); 264 aper->count = 1; 265 266 if (pci_resource_len(pdev, 2)) { 267 aper->ranges[aper->count].base = pci_resource_start(pdev, 2); 268 aper->ranges[aper->count].size = pci_resource_len(pdev, 2); 269 aper->count++; 270 } 271 272 if (pci_resource_len(pdev, 3)) { 273 aper->ranges[aper->count].base = pci_resource_start(pdev, 3); 274 aper->ranges[aper->count].size = pci_resource_len(pdev, 3); 275 aper->count++; 276 } 277 278 #ifdef CONFIG_X86 279 boot = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW; 280 #endif 281 remove_conflicting_framebuffers(aper, "nouveaufb", boot); 282 kfree(aper); 283 284 ret = nouveau_device_create(pdev, nouveau_name(pdev), pci_name(pdev), 285 nouveau_config, nouveau_debug, &device); 286 if (ret) 287 return ret; 288 289 pci_set_master(pdev); 290 291 ret = drm_get_pci_dev(pdev, pent, &driver); 292 if (ret) { 293 nouveau_object_ref(NULL, (struct nouveau_object **)&device); 294 return ret; 295 } 296 297 return 0; 298 } 299 300 #define PCI_CLASS_MULTIMEDIA_HD_AUDIO 0x0403 301 302 static void 303 nouveau_get_hdmi_dev(struct drm_device *dev) 304 { 305 struct nouveau_drm *drm = dev->dev_private; 306 struct pci_dev *pdev = dev->pdev; 307 308 /* subfunction one is a hdmi audio device? */ 309 drm->hdmi_device = pci_get_bus_and_slot((unsigned int)pdev->bus->number, 310 PCI_DEVFN(PCI_SLOT(pdev->devfn), 1)); 311 312 if (!drm->hdmi_device) { 313 DRM_INFO("hdmi device not found %d %d %d\n", pdev->bus->number, PCI_SLOT(pdev->devfn), 1); 314 return; 315 } 316 317 if ((drm->hdmi_device->class >> 8) != PCI_CLASS_MULTIMEDIA_HD_AUDIO) { 318 DRM_INFO("possible hdmi device not audio %d\n", drm->hdmi_device->class); 319 pci_dev_put(drm->hdmi_device); 320 drm->hdmi_device = NULL; 321 return; 322 } 323 } 324 325 static int 326 nouveau_drm_load(struct drm_device *dev, unsigned long flags) 327 { 328 struct pci_dev *pdev = dev->pdev; 329 struct nouveau_device *device; 330 struct nouveau_drm *drm; 331 int ret; 332 333 ret = nouveau_cli_create(pdev, "DRM", sizeof(*drm), (void**)&drm); 334 if (ret) 335 return ret; 336 337 dev->dev_private = drm; 338 drm->dev = dev; 339 340 INIT_LIST_HEAD(&drm->clients); 341 spin_lock_init(&drm->tile.lock); 342 343 nouveau_get_hdmi_dev(dev); 344 345 /* make sure AGP controller is in a consistent state before we 346 * (possibly) execute vbios init tables (see nouveau_agp.h) 347 */ 348 if (drm_pci_device_is_agp(dev) && dev->agp) { 349 /* dummy device object, doesn't init anything, but allows 350 * agp code access to registers 351 */ 352 ret = nouveau_object_new(nv_object(drm), NVDRM_CLIENT, 353 NVDRM_DEVICE, 0x0080, 354 &(struct nv_device_class) { 355 .device = ~0, 356 .disable = 357 ~(NV_DEVICE_DISABLE_MMIO | 358 NV_DEVICE_DISABLE_IDENTIFY), 359 .debug0 = ~0, 360 }, sizeof(struct nv_device_class), 361 &drm->device); 362 if (ret) 363 goto fail_device; 364 365 nouveau_agp_reset(drm); 366 nouveau_object_del(nv_object(drm), NVDRM_CLIENT, NVDRM_DEVICE); 367 } 368 369 ret = nouveau_object_new(nv_object(drm), NVDRM_CLIENT, NVDRM_DEVICE, 370 0x0080, &(struct nv_device_class) { 371 .device = ~0, 372 .disable = 0, 373 .debug0 = 0, 374 }, sizeof(struct nv_device_class), 375 &drm->device); 376 if (ret) 377 goto fail_device; 378 379 /* workaround an odd issue on nvc1 by disabling the device's 380 * nosnoop capability. hopefully won't cause issues until a 381 * better fix is found - assuming there is one... 382 */ 383 device = nv_device(drm->device); 384 if (nv_device(drm->device)->chipset == 0xc1) 385 nv_mask(device, 0x00088080, 0x00000800, 0x00000000); 386 387 nouveau_vga_init(drm); 388 nouveau_agp_init(drm); 389 390 if (device->card_type >= NV_50) { 391 ret = nouveau_vm_new(nv_device(drm->device), 0, (1ULL << 40), 392 0x1000, &drm->client.base.vm); 393 if (ret) 394 goto fail_device; 395 } 396 397 ret = nouveau_ttm_init(drm); 398 if (ret) 399 goto fail_ttm; 400 401 ret = nouveau_bios_init(dev); 402 if (ret) 403 goto fail_bios; 404 405 ret = nouveau_display_create(dev); 406 if (ret) 407 goto fail_dispctor; 408 409 if (dev->mode_config.num_crtc) { 410 ret = nouveau_display_init(dev); 411 if (ret) 412 goto fail_dispinit; 413 } 414 415 nouveau_sysfs_init(dev); 416 nouveau_hwmon_init(dev); 417 nouveau_accel_init(drm); 418 nouveau_fbcon_init(dev); 419 420 if (nouveau_runtime_pm != 0) { 421 pm_runtime_use_autosuspend(dev->dev); 422 pm_runtime_set_autosuspend_delay(dev->dev, 5000); 423 pm_runtime_set_active(dev->dev); 424 pm_runtime_allow(dev->dev); 425 pm_runtime_mark_last_busy(dev->dev); 426 pm_runtime_put(dev->dev); 427 } 428 return 0; 429 430 fail_dispinit: 431 nouveau_display_destroy(dev); 432 fail_dispctor: 433 nouveau_bios_takedown(dev); 434 fail_bios: 435 nouveau_ttm_fini(drm); 436 fail_ttm: 437 nouveau_agp_fini(drm); 438 nouveau_vga_fini(drm); 439 fail_device: 440 nouveau_cli_destroy(&drm->client); 441 return ret; 442 } 443 444 static int 445 nouveau_drm_unload(struct drm_device *dev) 446 { 447 struct nouveau_drm *drm = nouveau_drm(dev); 448 449 pm_runtime_get_sync(dev->dev); 450 nouveau_fbcon_fini(dev); 451 nouveau_accel_fini(drm); 452 nouveau_hwmon_fini(dev); 453 nouveau_sysfs_fini(dev); 454 455 if (dev->mode_config.num_crtc) 456 nouveau_display_fini(dev); 457 nouveau_display_destroy(dev); 458 459 nouveau_bios_takedown(dev); 460 461 nouveau_ttm_fini(drm); 462 nouveau_agp_fini(drm); 463 nouveau_vga_fini(drm); 464 465 if (drm->hdmi_device) 466 pci_dev_put(drm->hdmi_device); 467 nouveau_cli_destroy(&drm->client); 468 return 0; 469 } 470 471 static void 472 nouveau_drm_remove(struct pci_dev *pdev) 473 { 474 struct drm_device *dev = pci_get_drvdata(pdev); 475 struct nouveau_drm *drm = nouveau_drm(dev); 476 struct nouveau_object *device; 477 478 device = drm->client.base.device; 479 drm_put_dev(dev); 480 481 nouveau_object_ref(NULL, &device); 482 nouveau_object_debug(); 483 } 484 485 static int 486 nouveau_do_suspend(struct drm_device *dev) 487 { 488 struct nouveau_drm *drm = nouveau_drm(dev); 489 struct nouveau_cli *cli; 490 int ret; 491 492 if (dev->mode_config.num_crtc) { 493 NV_INFO(drm, "suspending display...\n"); 494 ret = nouveau_display_suspend(dev); 495 if (ret) 496 return ret; 497 } 498 499 NV_INFO(drm, "evicting buffers...\n"); 500 ttm_bo_evict_mm(&drm->ttm.bdev, TTM_PL_VRAM); 501 502 NV_INFO(drm, "waiting for kernel channels to go idle...\n"); 503 if (drm->cechan) { 504 ret = nouveau_channel_idle(drm->cechan); 505 if (ret) 506 return ret; 507 } 508 509 if (drm->channel) { 510 ret = nouveau_channel_idle(drm->channel); 511 if (ret) 512 return ret; 513 } 514 515 NV_INFO(drm, "suspending client object trees...\n"); 516 if (drm->fence && nouveau_fence(drm)->suspend) { 517 if (!nouveau_fence(drm)->suspend(drm)) 518 return -ENOMEM; 519 } 520 521 list_for_each_entry(cli, &drm->clients, head) { 522 ret = nouveau_client_fini(&cli->base, true); 523 if (ret) 524 goto fail_client; 525 } 526 527 NV_INFO(drm, "suspending kernel object tree...\n"); 528 ret = nouveau_client_fini(&drm->client.base, true); 529 if (ret) 530 goto fail_client; 531 532 nouveau_agp_fini(drm); 533 return 0; 534 535 fail_client: 536 list_for_each_entry_continue_reverse(cli, &drm->clients, head) { 537 nouveau_client_init(&cli->base); 538 } 539 540 if (dev->mode_config.num_crtc) { 541 NV_INFO(drm, "resuming display...\n"); 542 nouveau_display_resume(dev); 543 } 544 return ret; 545 } 546 547 int nouveau_pmops_suspend(struct device *dev) 548 { 549 struct pci_dev *pdev = to_pci_dev(dev); 550 struct drm_device *drm_dev = pci_get_drvdata(pdev); 551 int ret; 552 553 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF || 554 drm_dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF) 555 return 0; 556 557 if (drm_dev->mode_config.num_crtc) 558 nouveau_fbcon_set_suspend(drm_dev, 1); 559 560 ret = nouveau_do_suspend(drm_dev); 561 if (ret) 562 return ret; 563 564 pci_save_state(pdev); 565 pci_disable_device(pdev); 566 pci_set_power_state(pdev, PCI_D3hot); 567 return 0; 568 } 569 570 static int 571 nouveau_do_resume(struct drm_device *dev) 572 { 573 struct nouveau_drm *drm = nouveau_drm(dev); 574 struct nouveau_cli *cli; 575 576 NV_INFO(drm, "re-enabling device...\n"); 577 578 nouveau_agp_reset(drm); 579 580 NV_INFO(drm, "resuming kernel object tree...\n"); 581 nouveau_client_init(&drm->client.base); 582 nouveau_agp_init(drm); 583 584 NV_INFO(drm, "resuming client object trees...\n"); 585 if (drm->fence && nouveau_fence(drm)->resume) 586 nouveau_fence(drm)->resume(drm); 587 588 list_for_each_entry(cli, &drm->clients, head) { 589 nouveau_client_init(&cli->base); 590 } 591 592 nouveau_run_vbios_init(dev); 593 594 if (dev->mode_config.num_crtc) { 595 NV_INFO(drm, "resuming display...\n"); 596 nouveau_display_repin(dev); 597 } 598 599 return 0; 600 } 601 602 int nouveau_pmops_resume(struct device *dev) 603 { 604 struct pci_dev *pdev = to_pci_dev(dev); 605 struct drm_device *drm_dev = pci_get_drvdata(pdev); 606 int ret; 607 608 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF || 609 drm_dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF) 610 return 0; 611 612 pci_set_power_state(pdev, PCI_D0); 613 pci_restore_state(pdev); 614 ret = pci_enable_device(pdev); 615 if (ret) 616 return ret; 617 pci_set_master(pdev); 618 619 ret = nouveau_do_resume(drm_dev); 620 if (ret) 621 return ret; 622 if (drm_dev->mode_config.num_crtc) 623 nouveau_fbcon_set_suspend(drm_dev, 0); 624 625 nouveau_fbcon_zfill_all(drm_dev); 626 if (drm_dev->mode_config.num_crtc) 627 nouveau_display_resume(drm_dev); 628 return 0; 629 } 630 631 static int nouveau_pmops_freeze(struct device *dev) 632 { 633 struct pci_dev *pdev = to_pci_dev(dev); 634 struct drm_device *drm_dev = pci_get_drvdata(pdev); 635 int ret; 636 637 if (drm_dev->mode_config.num_crtc) 638 nouveau_fbcon_set_suspend(drm_dev, 1); 639 640 ret = nouveau_do_suspend(drm_dev); 641 return ret; 642 } 643 644 static int nouveau_pmops_thaw(struct device *dev) 645 { 646 struct pci_dev *pdev = to_pci_dev(dev); 647 struct drm_device *drm_dev = pci_get_drvdata(pdev); 648 int ret; 649 650 ret = nouveau_do_resume(drm_dev); 651 if (ret) 652 return ret; 653 if (drm_dev->mode_config.num_crtc) 654 nouveau_fbcon_set_suspend(drm_dev, 0); 655 nouveau_fbcon_zfill_all(drm_dev); 656 if (drm_dev->mode_config.num_crtc) 657 nouveau_display_resume(drm_dev); 658 return 0; 659 } 660 661 662 static int 663 nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv) 664 { 665 struct pci_dev *pdev = dev->pdev; 666 struct nouveau_drm *drm = nouveau_drm(dev); 667 struct nouveau_cli *cli; 668 char name[32], tmpname[TASK_COMM_LEN]; 669 int ret; 670 671 /* need to bring up power immediately if opening device */ 672 ret = pm_runtime_get_sync(dev->dev); 673 if (ret < 0) 674 return ret; 675 676 get_task_comm(tmpname, current); 677 snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid)); 678 679 ret = nouveau_cli_create(pdev, name, sizeof(*cli), (void **)&cli); 680 if (ret) 681 goto out_suspend; 682 683 if (nv_device(drm->device)->card_type >= NV_50) { 684 ret = nouveau_vm_new(nv_device(drm->device), 0, (1ULL << 40), 685 0x1000, &cli->base.vm); 686 if (ret) { 687 nouveau_cli_destroy(cli); 688 goto out_suspend; 689 } 690 } 691 692 fpriv->driver_priv = cli; 693 694 mutex_lock(&drm->client.mutex); 695 list_add(&cli->head, &drm->clients); 696 mutex_unlock(&drm->client.mutex); 697 698 out_suspend: 699 pm_runtime_mark_last_busy(dev->dev); 700 pm_runtime_put_autosuspend(dev->dev); 701 702 return ret; 703 } 704 705 static void 706 nouveau_drm_preclose(struct drm_device *dev, struct drm_file *fpriv) 707 { 708 struct nouveau_cli *cli = nouveau_cli(fpriv); 709 struct nouveau_drm *drm = nouveau_drm(dev); 710 711 pm_runtime_get_sync(dev->dev); 712 713 if (cli->abi16) 714 nouveau_abi16_fini(cli->abi16); 715 716 mutex_lock(&drm->client.mutex); 717 list_del(&cli->head); 718 mutex_unlock(&drm->client.mutex); 719 720 } 721 722 static void 723 nouveau_drm_postclose(struct drm_device *dev, struct drm_file *fpriv) 724 { 725 struct nouveau_cli *cli = nouveau_cli(fpriv); 726 nouveau_cli_destroy(cli); 727 pm_runtime_mark_last_busy(dev->dev); 728 pm_runtime_put_autosuspend(dev->dev); 729 } 730 731 static const struct drm_ioctl_desc 732 nouveau_ioctls[] = { 733 DRM_IOCTL_DEF_DRV(NOUVEAU_GETPARAM, nouveau_abi16_ioctl_getparam, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 734 DRM_IOCTL_DEF_DRV(NOUVEAU_SETPARAM, nouveau_abi16_ioctl_setparam, DRM_UNLOCKED|DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 735 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_ALLOC, nouveau_abi16_ioctl_channel_alloc, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 736 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_FREE, nouveau_abi16_ioctl_channel_free, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 737 DRM_IOCTL_DEF_DRV(NOUVEAU_GROBJ_ALLOC, nouveau_abi16_ioctl_grobj_alloc, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 738 DRM_IOCTL_DEF_DRV(NOUVEAU_NOTIFIEROBJ_ALLOC, nouveau_abi16_ioctl_notifierobj_alloc, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 739 DRM_IOCTL_DEF_DRV(NOUVEAU_GPUOBJ_FREE, nouveau_abi16_ioctl_gpuobj_free, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 740 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_NEW, nouveau_gem_ioctl_new, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 741 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_PUSHBUF, nouveau_gem_ioctl_pushbuf, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 742 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_PREP, nouveau_gem_ioctl_cpu_prep, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 743 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_FINI, nouveau_gem_ioctl_cpu_fini, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 744 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_INFO, nouveau_gem_ioctl_info, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 745 }; 746 747 long nouveau_drm_ioctl(struct file *filp, 748 unsigned int cmd, unsigned long arg) 749 { 750 struct drm_file *file_priv = filp->private_data; 751 struct drm_device *dev; 752 long ret; 753 dev = file_priv->minor->dev; 754 755 ret = pm_runtime_get_sync(dev->dev); 756 if (ret < 0) 757 return ret; 758 759 ret = drm_ioctl(filp, cmd, arg); 760 761 pm_runtime_mark_last_busy(dev->dev); 762 pm_runtime_put_autosuspend(dev->dev); 763 return ret; 764 } 765 static const struct file_operations 766 nouveau_driver_fops = { 767 .owner = THIS_MODULE, 768 .open = drm_open, 769 .release = drm_release, 770 .unlocked_ioctl = nouveau_drm_ioctl, 771 .mmap = nouveau_ttm_mmap, 772 .poll = drm_poll, 773 .read = drm_read, 774 #if defined(CONFIG_COMPAT) 775 .compat_ioctl = nouveau_compat_ioctl, 776 #endif 777 .llseek = noop_llseek, 778 }; 779 780 static struct drm_driver 781 driver = { 782 .driver_features = 783 DRIVER_USE_AGP | 784 DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME | DRIVER_RENDER, 785 786 .load = nouveau_drm_load, 787 .unload = nouveau_drm_unload, 788 .open = nouveau_drm_open, 789 .preclose = nouveau_drm_preclose, 790 .postclose = nouveau_drm_postclose, 791 .lastclose = nouveau_vga_lastclose, 792 793 #if defined(CONFIG_DEBUG_FS) 794 .debugfs_init = nouveau_debugfs_init, 795 .debugfs_cleanup = nouveau_debugfs_takedown, 796 #endif 797 798 .get_vblank_counter = drm_vblank_count, 799 .enable_vblank = nouveau_display_vblank_enable, 800 .disable_vblank = nouveau_display_vblank_disable, 801 802 .ioctls = nouveau_ioctls, 803 .num_ioctls = ARRAY_SIZE(nouveau_ioctls), 804 .fops = &nouveau_driver_fops, 805 806 .prime_handle_to_fd = drm_gem_prime_handle_to_fd, 807 .prime_fd_to_handle = drm_gem_prime_fd_to_handle, 808 .gem_prime_export = drm_gem_prime_export, 809 .gem_prime_import = drm_gem_prime_import, 810 .gem_prime_pin = nouveau_gem_prime_pin, 811 .gem_prime_unpin = nouveau_gem_prime_unpin, 812 .gem_prime_get_sg_table = nouveau_gem_prime_get_sg_table, 813 .gem_prime_import_sg_table = nouveau_gem_prime_import_sg_table, 814 .gem_prime_vmap = nouveau_gem_prime_vmap, 815 .gem_prime_vunmap = nouveau_gem_prime_vunmap, 816 817 .gem_free_object = nouveau_gem_object_del, 818 .gem_open_object = nouveau_gem_object_open, 819 .gem_close_object = nouveau_gem_object_close, 820 821 .dumb_create = nouveau_display_dumb_create, 822 .dumb_map_offset = nouveau_display_dumb_map_offset, 823 .dumb_destroy = drm_gem_dumb_destroy, 824 825 .name = DRIVER_NAME, 826 .desc = DRIVER_DESC, 827 #ifdef GIT_REVISION 828 .date = GIT_REVISION, 829 #else 830 .date = DRIVER_DATE, 831 #endif 832 .major = DRIVER_MAJOR, 833 .minor = DRIVER_MINOR, 834 .patchlevel = DRIVER_PATCHLEVEL, 835 }; 836 837 static struct pci_device_id 838 nouveau_drm_pci_table[] = { 839 { 840 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID), 841 .class = PCI_BASE_CLASS_DISPLAY << 16, 842 .class_mask = 0xff << 16, 843 }, 844 { 845 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS, PCI_ANY_ID), 846 .class = PCI_BASE_CLASS_DISPLAY << 16, 847 .class_mask = 0xff << 16, 848 }, 849 {} 850 }; 851 852 static int nouveau_pmops_runtime_suspend(struct device *dev) 853 { 854 struct pci_dev *pdev = to_pci_dev(dev); 855 struct drm_device *drm_dev = pci_get_drvdata(pdev); 856 int ret; 857 858 if (nouveau_runtime_pm == 0) 859 return -EINVAL; 860 861 /* are we optimus enabled? */ 862 if (nouveau_runtime_pm == -1 && !nouveau_is_optimus() && !nouveau_is_v1_dsm()) { 863 DRM_DEBUG_DRIVER("failing to power off - not optimus\n"); 864 return -EINVAL; 865 } 866 867 nv_debug_level(SILENT); 868 drm_kms_helper_poll_disable(drm_dev); 869 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF); 870 nouveau_switcheroo_optimus_dsm(); 871 ret = nouveau_do_suspend(drm_dev); 872 pci_save_state(pdev); 873 pci_disable_device(pdev); 874 pci_set_power_state(pdev, PCI_D3cold); 875 drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF; 876 return ret; 877 } 878 879 static int nouveau_pmops_runtime_resume(struct device *dev) 880 { 881 struct pci_dev *pdev = to_pci_dev(dev); 882 struct drm_device *drm_dev = pci_get_drvdata(pdev); 883 struct nouveau_device *device = nouveau_dev(drm_dev); 884 int ret; 885 886 if (nouveau_runtime_pm == 0) 887 return -EINVAL; 888 889 pci_set_power_state(pdev, PCI_D0); 890 pci_restore_state(pdev); 891 ret = pci_enable_device(pdev); 892 if (ret) 893 return ret; 894 pci_set_master(pdev); 895 896 ret = nouveau_do_resume(drm_dev); 897 if (drm_dev->mode_config.num_crtc) 898 nouveau_display_resume(drm_dev); 899 drm_kms_helper_poll_enable(drm_dev); 900 /* do magic */ 901 nv_mask(device, 0x88488, (1 << 25), (1 << 25)); 902 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_ON); 903 drm_dev->switch_power_state = DRM_SWITCH_POWER_ON; 904 nv_debug_level(NORMAL); 905 return ret; 906 } 907 908 static int nouveau_pmops_runtime_idle(struct device *dev) 909 { 910 struct pci_dev *pdev = to_pci_dev(dev); 911 struct drm_device *drm_dev = pci_get_drvdata(pdev); 912 struct nouveau_drm *drm = nouveau_drm(drm_dev); 913 struct drm_crtc *crtc; 914 915 if (nouveau_runtime_pm == 0) 916 return -EBUSY; 917 918 /* are we optimus enabled? */ 919 if (nouveau_runtime_pm == -1 && !nouveau_is_optimus() && !nouveau_is_v1_dsm()) { 920 DRM_DEBUG_DRIVER("failing to power off - not optimus\n"); 921 return -EBUSY; 922 } 923 924 /* if we have a hdmi audio device - make sure it has a driver loaded */ 925 if (drm->hdmi_device) { 926 if (!drm->hdmi_device->driver) { 927 DRM_DEBUG_DRIVER("failing to power off - no HDMI audio driver loaded\n"); 928 pm_runtime_mark_last_busy(dev); 929 return -EBUSY; 930 } 931 } 932 933 list_for_each_entry(crtc, &drm->dev->mode_config.crtc_list, head) { 934 if (crtc->enabled) { 935 DRM_DEBUG_DRIVER("failing to power off - crtc active\n"); 936 return -EBUSY; 937 } 938 } 939 pm_runtime_mark_last_busy(dev); 940 pm_runtime_autosuspend(dev); 941 /* we don't want the main rpm_idle to call suspend - we want to autosuspend */ 942 return 1; 943 } 944 945 static const struct dev_pm_ops nouveau_pm_ops = { 946 .suspend = nouveau_pmops_suspend, 947 .resume = nouveau_pmops_resume, 948 .freeze = nouveau_pmops_freeze, 949 .thaw = nouveau_pmops_thaw, 950 .poweroff = nouveau_pmops_freeze, 951 .restore = nouveau_pmops_resume, 952 .runtime_suspend = nouveau_pmops_runtime_suspend, 953 .runtime_resume = nouveau_pmops_runtime_resume, 954 .runtime_idle = nouveau_pmops_runtime_idle, 955 }; 956 957 static struct pci_driver 958 nouveau_drm_pci_driver = { 959 .name = "nouveau", 960 .id_table = nouveau_drm_pci_table, 961 .probe = nouveau_drm_probe, 962 .remove = nouveau_drm_remove, 963 .driver.pm = &nouveau_pm_ops, 964 }; 965 966 static int __init 967 nouveau_drm_init(void) 968 { 969 if (nouveau_modeset == -1) { 970 #ifdef CONFIG_VGA_CONSOLE 971 if (vgacon_text_force()) 972 nouveau_modeset = 0; 973 #endif 974 } 975 976 if (!nouveau_modeset) 977 return 0; 978 979 nouveau_register_dsm_handler(); 980 return drm_pci_init(&driver, &nouveau_drm_pci_driver); 981 } 982 983 static void __exit 984 nouveau_drm_exit(void) 985 { 986 if (!nouveau_modeset) 987 return; 988 989 drm_pci_exit(&driver, &nouveau_drm_pci_driver); 990 nouveau_unregister_dsm_handler(); 991 } 992 993 module_init(nouveau_drm_init); 994 module_exit(nouveau_drm_exit); 995 996 MODULE_DEVICE_TABLE(pci, nouveau_drm_pci_table); 997 MODULE_AUTHOR(DRIVER_AUTHOR); 998 MODULE_DESCRIPTION(DRIVER_DESC); 999 MODULE_LICENSE("GPL and additional rights"); 1000