1 /* $NetBSD: nouveau_drm.c,v 1.23 2021/12/19 11:34:44 riastradh Exp $ */ 2 3 /* 4 * Copyright 2012 Red Hat Inc. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 * Authors: Ben Skeggs 25 */ 26 27 #include <sys/cdefs.h> 28 __KERNEL_RCSID(0, "$NetBSD: nouveau_drm.c,v 1.23 2021/12/19 11:34:44 riastradh Exp $"); 29 30 #include <linux/console.h> 31 #include <linux/delay.h> 32 #include <linux/module.h> 33 #include <linux/pci.h> 34 #include <linux/pm_runtime.h> 35 #include <linux/vga_switcheroo.h> 36 #include <linux/mmu_notifier.h> 37 38 #include <drm/drm_crtc_helper.h> 39 #include <drm/drm_ioctl.h> 40 #include <drm/drm_vblank.h> 41 42 #include <core/gpuobj.h> 43 #include <core/option.h> 44 #include <core/pci.h> 45 #include <core/tegra.h> 46 47 #include <nvif/driver.h> 48 #include <nvif/fifo.h> 49 #include <nvif/user.h> 50 51 #include <nvif/class.h> 52 #include <nvif/cl0002.h> 53 #include <nvif/cla06f.h> 54 55 #include "nouveau_drv.h" 56 #include "nouveau_dma.h" 57 #include "nouveau_ttm.h" 58 #include "nouveau_gem.h" 59 #include "nouveau_vga.h" 60 #include "nouveau_led.h" 61 #include "nouveau_hwmon.h" 62 #include "nouveau_acpi.h" 63 #include "nouveau_bios.h" 64 #include "nouveau_ioctl.h" 65 #include "nouveau_abi16.h" 66 #include "nouveau_fbcon.h" 67 #include "nouveau_fence.h" 68 #include "nouveau_debugfs.h" 69 #include "nouveau_usif.h" 70 #include "nouveau_connector.h" 71 #include "nouveau_platform.h" 72 #include "nouveau_svm.h" 73 #include "nouveau_dmem.h" 74 75 #ifdef __NetBSD__ 76 #include <sys/file.h> 77 #include <sys/ioccom.h> 78 #include <linux/nbsd-namespace.h> 79 #endif 80 81 MODULE_PARM_DESC(config, "option string to pass to driver core"); 82 char *nouveau_config; 83 module_param_named(config, nouveau_config, charp, 0400); 84 85 MODULE_PARM_DESC(debug, "debug string to pass to driver core"); 86 char *nouveau_debug; 87 module_param_named(debug, nouveau_debug, charp, 0400); 88 89 MODULE_PARM_DESC(noaccel, "disable kernel/abi16 acceleration"); 90 static int nouveau_noaccel = 0; 91 module_param_named(noaccel, nouveau_noaccel, int, 0400); 92 93 MODULE_PARM_DESC(modeset, "enable driver (default: auto, " 94 "0 = disabled, 1 = enabled, 2 = headless)"); 95 int nouveau_modeset = -1; 96 module_param_named(modeset, nouveau_modeset, int, 0400); 97 98 MODULE_PARM_DESC(atomic, "Expose atomic ioctl (default: disabled)"); 99 static int nouveau_atomic = 0; 100 module_param_named(atomic, nouveau_atomic, int, 0400); 101 102 MODULE_PARM_DESC(runpm, "disable (0), force enable (1), optimus only default (-1)"); 103 static int nouveau_runtime_pm = -1; 104 module_param_named(runpm, nouveau_runtime_pm, int, 0400); 105 106 static struct drm_driver driver_stub; 107 static struct drm_driver driver_pci; 108 static struct drm_driver driver_platform; 109 110 #ifdef __NetBSD__ 111 struct drm_driver *const nouveau_drm_driver_stub = &driver_stub; 112 struct drm_driver *const nouveau_drm_driver_pci = &driver_pci; 113 struct drm_driver *const nouveau_drm_driver_platform = &driver_platform; 114 115 /* XXX Kludge for the non-GEM GEM that nouveau uses. */ 116 static const struct uvm_pagerops nouveau_gem_uvm_ops; 117 #endif 118 119 static u64 120 nouveau_pci_name(struct pci_dev *pdev) 121 { 122 u64 name = (u64)pci_domain_nr(pdev->bus) << 32; 123 name |= pdev->bus->number << 16; 124 name |= PCI_SLOT(pdev->devfn) << 8; 125 return name | PCI_FUNC(pdev->devfn); 126 } 127 128 static u64 129 nouveau_platform_name(struct platform_device *platformdev) 130 { 131 return platformdev->id; 132 } 133 134 static u64 135 nouveau_name(struct drm_device *dev) 136 { 137 if (dev->pdev) 138 return nouveau_pci_name(dev->pdev); 139 else 140 return nouveau_platform_name(to_platform_device(dev->dev)); 141 } 142 143 static inline bool 144 nouveau_cli_work_ready(struct dma_fence *fence) 145 { 146 if (!dma_fence_is_signaled(fence)) 147 return false; 148 dma_fence_put(fence); 149 return true; 150 } 151 152 static void 153 nouveau_cli_work(struct work_struct *w) 154 { 155 struct nouveau_cli *cli = container_of(w, typeof(*cli), work); 156 struct nouveau_cli_work *work, *wtmp; 157 mutex_lock(&cli->lock); 158 list_for_each_entry_safe(work, wtmp, &cli->worker, head) { 159 if (!work->fence || nouveau_cli_work_ready(work->fence)) { 160 list_del(&work->head); 161 work->func(work); 162 } 163 } 164 mutex_unlock(&cli->lock); 165 } 166 167 static void 168 nouveau_cli_work_fence(struct dma_fence *fence, struct dma_fence_cb *cb) 169 { 170 struct nouveau_cli_work *work = container_of(cb, typeof(*work), cb); 171 schedule_work(&work->cli->work); 172 } 173 174 void 175 nouveau_cli_work_queue(struct nouveau_cli *cli, struct dma_fence *fence, 176 struct nouveau_cli_work *work) 177 { 178 work->fence = dma_fence_get(fence); 179 work->cli = cli; 180 mutex_lock(&cli->lock); 181 list_add_tail(&work->head, &cli->worker); 182 if (dma_fence_add_callback(fence, &work->cb, nouveau_cli_work_fence)) 183 nouveau_cli_work_fence(fence, &work->cb); 184 mutex_unlock(&cli->lock); 185 } 186 187 static void 188 nouveau_cli_fini(struct nouveau_cli *cli) 189 { 190 /* All our channels are dead now, which means all the fences they 191 * own are signalled, and all callback functions have been called. 192 * 193 * So, after flushing the workqueue, there should be nothing left. 194 */ 195 flush_work(&cli->work); 196 WARN_ON(!list_empty(&cli->worker)); 197 198 usif_client_fini(cli); 199 nouveau_vmm_fini(&cli->svm); 200 nouveau_vmm_fini(&cli->vmm); 201 nvif_mmu_fini(&cli->mmu); 202 nvif_device_fini(&cli->device); 203 mutex_lock(&cli->drm->master.lock); 204 nvif_client_fini(&cli->base); 205 mutex_unlock(&cli->drm->master.lock); 206 mutex_destroy(&cli->lock); 207 mutex_destroy(&cli->mutex); 208 } 209 210 static int 211 nouveau_cli_init(struct nouveau_drm *drm, const char *sname, 212 struct nouveau_cli *cli) 213 { 214 static const struct nvif_mclass 215 mems[] = { 216 { NVIF_CLASS_MEM_GF100, -1 }, 217 { NVIF_CLASS_MEM_NV50 , -1 }, 218 { NVIF_CLASS_MEM_NV04 , -1 }, 219 {} 220 }; 221 static const struct nvif_mclass 222 mmus[] = { 223 { NVIF_CLASS_MMU_GF100, -1 }, 224 { NVIF_CLASS_MMU_NV50 , -1 }, 225 { NVIF_CLASS_MMU_NV04 , -1 }, 226 {} 227 }; 228 static const struct nvif_mclass 229 vmms[] = { 230 { NVIF_CLASS_VMM_GP100, -1 }, 231 { NVIF_CLASS_VMM_GM200, -1 }, 232 { NVIF_CLASS_VMM_GF100, -1 }, 233 { NVIF_CLASS_VMM_NV50 , -1 }, 234 { NVIF_CLASS_VMM_NV04 , -1 }, 235 {} 236 }; 237 u64 device = nouveau_name(drm->dev); 238 int ret; 239 240 snprintf(cli->name, sizeof(cli->name), "%s", sname); 241 cli->drm = drm; 242 mutex_init(&cli->mutex); 243 usif_client_init(cli); 244 245 INIT_WORK(&cli->work, nouveau_cli_work); 246 INIT_LIST_HEAD(&cli->worker); 247 mutex_init(&cli->lock); 248 249 if (cli == &drm->master) { 250 ret = nvif_driver_init(NULL, nouveau_config, nouveau_debug, 251 cli->name, device, &cli->base); 252 } else { 253 mutex_lock(&drm->master.lock); 254 ret = nvif_client_init(&drm->master.base, cli->name, device, 255 &cli->base); 256 mutex_unlock(&drm->master.lock); 257 } 258 if (ret) { 259 NV_PRINTK(err, cli, "Client allocation failed: %d\n", ret); 260 goto done; 261 } 262 263 ret = nvif_device_init(&cli->base.object, 0, NV_DEVICE, 264 &(struct nv_device_v0) { 265 .device = ~0, 266 }, sizeof(struct nv_device_v0), 267 &cli->device); 268 if (ret) { 269 NV_PRINTK(err, cli, "Device allocation failed: %d\n", ret); 270 goto done; 271 } 272 273 ret = nvif_mclass(&cli->device.object, mmus); 274 if (ret < 0) { 275 NV_PRINTK(err, cli, "No supported MMU class\n"); 276 goto done; 277 } 278 279 ret = nvif_mmu_init(&cli->device.object, mmus[ret].oclass, &cli->mmu); 280 if (ret) { 281 NV_PRINTK(err, cli, "MMU allocation failed: %d\n", ret); 282 goto done; 283 } 284 285 ret = nvif_mclass(&cli->mmu.object, vmms); 286 if (ret < 0) { 287 NV_PRINTK(err, cli, "No supported VMM class\n"); 288 goto done; 289 } 290 291 ret = nouveau_vmm_init(cli, vmms[ret].oclass, &cli->vmm); 292 if (ret) { 293 NV_PRINTK(err, cli, "VMM allocation failed: %d\n", ret); 294 goto done; 295 } 296 297 ret = nvif_mclass(&cli->mmu.object, mems); 298 if (ret < 0) { 299 NV_PRINTK(err, cli, "No supported MEM class\n"); 300 goto done; 301 } 302 303 cli->mem = &mems[ret]; 304 return 0; 305 done: 306 if (ret) 307 nouveau_cli_fini(cli); 308 return ret; 309 } 310 311 static void 312 nouveau_accel_ce_fini(struct nouveau_drm *drm) 313 { 314 nouveau_channel_idle(drm->cechan); 315 nvif_object_fini(&drm->ttm.copy); 316 nouveau_channel_del(&drm->cechan); 317 } 318 319 static void 320 nouveau_accel_ce_init(struct nouveau_drm *drm) 321 { 322 struct nvif_device *device = &drm->client.device; 323 int ret = 0; 324 325 /* Allocate channel that has access to a (preferably async) copy 326 * engine, to use for TTM buffer moves. 327 */ 328 if (device->info.family >= NV_DEVICE_INFO_V0_KEPLER) { 329 ret = nouveau_channel_new(drm, device, 330 nvif_fifo_runlist_ce(device), 0, 331 true, &drm->cechan); 332 } else 333 if (device->info.chipset >= 0xa3 && 334 device->info.chipset != 0xaa && 335 device->info.chipset != 0xac) { 336 /* Prior to Kepler, there's only a single runlist, so all 337 * engines can be accessed from any channel. 338 * 339 * We still want to use a separate channel though. 340 */ 341 ret = nouveau_channel_new(drm, device, NvDmaFB, NvDmaTT, false, 342 &drm->cechan); 343 } 344 345 if (ret) 346 NV_ERROR(drm, "failed to create ce channel, %d\n", ret); 347 } 348 349 static void 350 nouveau_accel_gr_fini(struct nouveau_drm *drm) 351 { 352 nouveau_channel_idle(drm->channel); 353 nvif_object_fini(&drm->ntfy); 354 nvkm_gpuobj_del(&drm->notify); 355 nvif_object_fini(&drm->nvsw); 356 nouveau_channel_del(&drm->channel); 357 } 358 359 static void 360 nouveau_accel_gr_init(struct nouveau_drm *drm) 361 { 362 struct nvif_device *device = &drm->client.device; 363 u32 arg0, arg1; 364 int ret; 365 366 /* Allocate channel that has access to the graphics engine. */ 367 if (device->info.family >= NV_DEVICE_INFO_V0_KEPLER) { 368 arg0 = nvif_fifo_runlist(device, NV_DEVICE_INFO_ENGINE_GR); 369 arg1 = 1; 370 } else { 371 arg0 = NvDmaFB; 372 arg1 = NvDmaTT; 373 } 374 375 ret = nouveau_channel_new(drm, device, arg0, arg1, false, 376 &drm->channel); 377 if (ret) { 378 NV_ERROR(drm, "failed to create kernel channel, %d\n", ret); 379 nouveau_accel_gr_fini(drm); 380 return; 381 } 382 383 /* A SW class is used on pre-NV50 HW to assist with handling the 384 * synchronisation of page flips, as well as to implement fences 385 * on TNT/TNT2 HW that lacks any kind of support in host. 386 */ 387 if (device->info.family < NV_DEVICE_INFO_V0_TESLA) { 388 ret = nvif_object_init(&drm->channel->user, NVDRM_NVSW, 389 nouveau_abi16_swclass(drm), NULL, 0, 390 &drm->nvsw); 391 if (ret == 0) { 392 ret = RING_SPACE(drm->channel, 2); 393 if (ret == 0) { 394 BEGIN_NV04(drm->channel, NvSubSw, 0, 1); 395 OUT_RING (drm->channel, drm->nvsw.handle); 396 } 397 } 398 399 if (ret) { 400 NV_ERROR(drm, "failed to allocate sw class, %d\n", ret); 401 nouveau_accel_gr_fini(drm); 402 return; 403 } 404 } 405 406 /* NvMemoryToMemoryFormat requires a notifier ctxdma for some reason, 407 * even if notification is never requested, so, allocate a ctxdma on 408 * any GPU where it's possible we'll end up using M2MF for BO moves. 409 */ 410 if (device->info.family < NV_DEVICE_INFO_V0_FERMI) { 411 ret = nvkm_gpuobj_new(nvxx_device(device), 32, 0, false, NULL, 412 &drm->notify); 413 if (ret) { 414 NV_ERROR(drm, "failed to allocate notifier, %d\n", ret); 415 nouveau_accel_gr_fini(drm); 416 return; 417 } 418 419 ret = nvif_object_init(&drm->channel->user, NvNotify0, 420 NV_DMA_IN_MEMORY, 421 &(struct nv_dma_v0) { 422 .target = NV_DMA_V0_TARGET_VRAM, 423 .access = NV_DMA_V0_ACCESS_RDWR, 424 .start = drm->notify->addr, 425 .limit = drm->notify->addr + 31 426 }, sizeof(struct nv_dma_v0), 427 &drm->ntfy); 428 if (ret) { 429 nouveau_accel_gr_fini(drm); 430 return; 431 } 432 } 433 } 434 435 static void 436 nouveau_accel_fini(struct nouveau_drm *drm) 437 { 438 nouveau_accel_ce_fini(drm); 439 nouveau_accel_gr_fini(drm); 440 if (drm->fence) 441 nouveau_fence(drm)->dtor(drm); 442 } 443 444 static void 445 nouveau_accel_init(struct nouveau_drm *drm) 446 { 447 struct nvif_device *device = &drm->client.device; 448 struct nvif_sclass *sclass; 449 int ret, i, n; 450 451 if (nouveau_noaccel) 452 return; 453 454 /* Initialise global support for channels, and synchronisation. */ 455 ret = nouveau_channels_init(drm); 456 if (ret) 457 return; 458 459 /*XXX: this is crap, but the fence/channel stuff is a little 460 * backwards in some places. this will be fixed. 461 */ 462 ret = n = nvif_object_sclass_get(&device->object, &sclass); 463 if (ret < 0) 464 return; 465 466 for (ret = -ENOSYS, i = 0; i < n; i++) { 467 switch (sclass[i].oclass) { 468 case NV03_CHANNEL_DMA: 469 ret = nv04_fence_create(drm); 470 break; 471 case NV10_CHANNEL_DMA: 472 ret = nv10_fence_create(drm); 473 break; 474 case NV17_CHANNEL_DMA: 475 case NV40_CHANNEL_DMA: 476 ret = nv17_fence_create(drm); 477 break; 478 case NV50_CHANNEL_GPFIFO: 479 ret = nv50_fence_create(drm); 480 break; 481 case G82_CHANNEL_GPFIFO: 482 ret = nv84_fence_create(drm); 483 break; 484 case FERMI_CHANNEL_GPFIFO: 485 case KEPLER_CHANNEL_GPFIFO_A: 486 case KEPLER_CHANNEL_GPFIFO_B: 487 case MAXWELL_CHANNEL_GPFIFO_A: 488 case PASCAL_CHANNEL_GPFIFO_A: 489 case VOLTA_CHANNEL_GPFIFO_A: 490 case TURING_CHANNEL_GPFIFO_A: 491 ret = nvc0_fence_create(drm); 492 break; 493 default: 494 break; 495 } 496 } 497 498 nvif_object_sclass_put(&sclass); 499 if (ret) { 500 NV_ERROR(drm, "failed to initialise sync subsystem, %d\n", ret); 501 nouveau_accel_fini(drm); 502 return; 503 } 504 505 /* Volta requires access to a doorbell register for kickoff. */ 506 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_VOLTA) { 507 ret = nvif_user_init(device); 508 if (ret) 509 return; 510 } 511 512 /* Allocate channels we need to support various functions. */ 513 nouveau_accel_gr_init(drm); 514 nouveau_accel_ce_init(drm); 515 516 /* Initialise accelerated TTM buffer moves. */ 517 nouveau_bo_move_init(drm); 518 } 519 520 int 521 nouveau_drm_device_init(struct drm_device *dev) 522 { 523 struct nouveau_drm *drm; 524 int ret; 525 526 if (!(drm = kzalloc(sizeof(*drm), GFP_KERNEL))) 527 return -ENOMEM; 528 dev->dev_private = drm; 529 drm->dev = dev; 530 531 ret = nouveau_cli_init(drm, "DRM-master", &drm->master); 532 if (ret) 533 goto fail_alloc; 534 535 ret = nouveau_cli_init(drm, "DRM", &drm->client); 536 if (ret) 537 goto fail_master; 538 539 dev->irq_enabled = true; 540 541 nvxx_client(&drm->client.base)->debug = 542 nvkm_dbgopt(nouveau_debug, "DRM"); 543 544 INIT_LIST_HEAD(&drm->clients); 545 spin_lock_init(&drm->tile.lock); 546 547 /* workaround an odd issue on nvc1 by disabling the device's 548 * nosnoop capability. hopefully won't cause issues until a 549 * better fix is found - assuming there is one... 550 */ 551 if (drm->client.device.info.chipset == 0xc1) 552 nvif_mask(&drm->client.device.object, 0x00088080, 0x00000800, 0x00000000); 553 554 nouveau_vga_init(drm); 555 556 #ifdef __NetBSD__ 557 { 558 /* XXX Kludge to make register subregion mapping work. */ 559 struct nvkm_client *client = nvxx_client(&drm->client.base); 560 struct nvkm_device *device = nvxx_device(&drm->client.device); 561 client->mmiot = device->mmiot; 562 client->mmioh = device->mmioh; 563 client->mmioaddr = device->mmioaddr; 564 client->mmiosz = device->mmiosz; 565 } 566 #endif 567 568 ret = nouveau_ttm_init(drm); 569 if (ret) 570 goto fail_ttm; 571 572 ret = nouveau_bios_init(dev); 573 if (ret) 574 goto fail_bios; 575 576 nouveau_accel_init(drm); 577 578 ret = nouveau_display_create(dev); 579 if (ret) 580 goto fail_dispctor; 581 582 if (dev->mode_config.num_crtc) { 583 ret = nouveau_display_init(dev, false, false); 584 if (ret) 585 goto fail_dispinit; 586 } 587 588 nouveau_debugfs_init(drm); 589 nouveau_hwmon_init(dev); 590 nouveau_svm_init(drm); 591 nouveau_dmem_init(drm); 592 nouveau_fbcon_init(dev); 593 nouveau_led_init(dev); 594 595 if (nouveau_pmops_runtime()) { 596 pm_runtime_use_autosuspend(dev->dev); 597 pm_runtime_set_autosuspend_delay(dev->dev, 5000); 598 pm_runtime_set_active(dev->dev); 599 pm_runtime_allow(dev->dev); 600 pm_runtime_mark_last_busy(dev->dev); 601 pm_runtime_put(dev->dev); 602 } 603 604 return 0; 605 606 fail_dispinit: 607 nouveau_display_destroy(dev); 608 fail_dispctor: 609 nouveau_accel_fini(drm); 610 nouveau_bios_takedown(dev); 611 fail_bios: 612 nouveau_ttm_fini(drm); 613 fail_ttm: 614 nouveau_vga_fini(drm); 615 spin_lock_destroy(&drm->tile.lock); 616 nouveau_cli_fini(&drm->client); 617 fail_master: 618 nouveau_cli_fini(&drm->master); 619 fail_alloc: 620 kfree(drm); 621 return ret; 622 } 623 624 void 625 nouveau_drm_device_fini(struct drm_device *dev) 626 { 627 struct nouveau_drm *drm = nouveau_drm(dev); 628 629 if (nouveau_pmops_runtime()) { 630 pm_runtime_get_sync(dev->dev); 631 pm_runtime_forbid(dev->dev); 632 } 633 634 nouveau_led_fini(dev); 635 nouveau_fbcon_fini(dev); 636 nouveau_dmem_fini(drm); 637 nouveau_svm_fini(drm); 638 nouveau_hwmon_fini(dev); 639 nouveau_debugfs_fini(drm); 640 641 if (dev->mode_config.num_crtc) 642 nouveau_display_fini(dev, false, false); 643 nouveau_display_destroy(dev); 644 645 nouveau_accel_fini(drm); 646 nouveau_bios_takedown(dev); 647 648 nouveau_ttm_fini(drm); 649 nouveau_vga_fini(drm); 650 651 spin_lock_destroy(&drm->tile.lock); 652 653 nouveau_cli_fini(&drm->client); 654 nouveau_cli_fini(&drm->master); 655 kfree(drm); 656 } 657 658 #ifndef __NetBSD__ 659 static int nouveau_drm_probe(struct pci_dev *pdev, 660 const struct pci_device_id *pent) 661 { 662 struct nvkm_device *device; 663 struct drm_device *drm_dev; 664 struct apertures_struct *aper; 665 bool boot = false; 666 int ret; 667 668 if (vga_switcheroo_client_probe_defer(pdev)) 669 return -EPROBE_DEFER; 670 671 /* We need to check that the chipset is supported before booting 672 * fbdev off the hardware, as there's no way to put it back. 673 */ 674 ret = nvkm_device_pci_new(pdev, nouveau_config, "error", 675 true, false, 0, &device); 676 if (ret) 677 return ret; 678 679 nvkm_device_del(&device); 680 681 /* Remove conflicting drivers (vesafb, efifb etc). */ 682 aper = alloc_apertures(3); 683 if (!aper) 684 return -ENOMEM; 685 686 aper->ranges[0].base = pci_resource_start(pdev, 1); 687 aper->ranges[0].size = pci_resource_len(pdev, 1); 688 aper->count = 1; 689 690 if (pci_resource_len(pdev, 2)) { 691 aper->ranges[aper->count].base = pci_resource_start(pdev, 2); 692 aper->ranges[aper->count].size = pci_resource_len(pdev, 2); 693 aper->count++; 694 } 695 696 if (pci_resource_len(pdev, 3)) { 697 aper->ranges[aper->count].base = pci_resource_start(pdev, 3); 698 aper->ranges[aper->count].size = pci_resource_len(pdev, 3); 699 aper->count++; 700 } 701 702 #ifdef CONFIG_X86 703 boot = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW; 704 #endif 705 if (nouveau_modeset != 2) 706 drm_fb_helper_remove_conflicting_framebuffers(aper, "nouveaufb", boot); 707 kfree(aper); 708 709 ret = nvkm_device_pci_new(pdev, nouveau_config, nouveau_debug, 710 true, true, ~0ULL, &device); 711 if (ret) 712 return ret; 713 714 pci_set_master(pdev); 715 716 if (nouveau_atomic) 717 driver_pci.driver_features |= DRIVER_ATOMIC; 718 719 drm_dev = drm_dev_alloc(&driver_pci, &pdev->dev); 720 if (IS_ERR(drm_dev)) { 721 ret = PTR_ERR(drm_dev); 722 goto fail_nvkm; 723 } 724 725 ret = pci_enable_device(pdev); 726 if (ret) 727 goto fail_drm; 728 729 drm_dev->pdev = pdev; 730 pci_set_drvdata(pdev, drm_dev); 731 732 ret = nouveau_drm_device_init(drm_dev); 733 if (ret) 734 goto fail_pci; 735 736 ret = drm_dev_register(drm_dev, pent->driver_data); 737 if (ret) 738 goto fail_drm_dev_init; 739 740 return 0; 741 742 fail_drm_dev_init: 743 nouveau_drm_device_fini(drm_dev); 744 fail_pci: 745 pci_disable_device(pdev); 746 fail_drm: 747 drm_dev_put(drm_dev); 748 fail_nvkm: 749 nvkm_device_del(&device); 750 return ret; 751 } 752 #endif 753 754 #ifndef __NetBSD__ /* XXX nouveau detach */ 755 void 756 nouveau_drm_device_remove(struct drm_device *dev) 757 { 758 struct nouveau_drm *drm = nouveau_drm(dev); 759 struct nvkm_client *client; 760 struct nvkm_device *device; 761 762 drm_dev_unregister(dev); 763 764 dev->irq_enabled = false; 765 client = nvxx_client(&drm->client.base); 766 device = nvkm_device_find(client->device); 767 768 nouveau_drm_device_fini(dev); 769 drm_dev_put(dev); 770 nvkm_device_del(&device); 771 } 772 773 static void 774 nouveau_drm_remove(struct pci_dev *pdev) 775 { 776 struct drm_device *dev = pci_get_drvdata(pdev); 777 778 nouveau_drm_device_remove(dev); 779 pci_disable_device(pdev); 780 } 781 #endif 782 783 static int 784 nouveau_do_suspend(struct drm_device *dev, bool runtime) 785 { 786 struct nouveau_drm *drm = nouveau_drm(dev); 787 int ret; 788 789 nouveau_svm_suspend(drm); 790 nouveau_dmem_suspend(drm); 791 nouveau_led_suspend(dev); 792 793 if (dev->mode_config.num_crtc) { 794 NV_DEBUG(drm, "suspending console...\n"); 795 nouveau_fbcon_set_suspend(dev, 1); 796 NV_DEBUG(drm, "suspending display...\n"); 797 ret = nouveau_display_suspend(dev, runtime); 798 if (ret) 799 return ret; 800 } 801 802 NV_DEBUG(drm, "evicting buffers...\n"); 803 ttm_bo_evict_mm(&drm->ttm.bdev, TTM_PL_VRAM); 804 805 NV_DEBUG(drm, "waiting for kernel channels to go idle...\n"); 806 if (drm->cechan) { 807 ret = nouveau_channel_idle(drm->cechan); 808 if (ret) 809 goto fail_display; 810 } 811 812 if (drm->channel) { 813 ret = nouveau_channel_idle(drm->channel); 814 if (ret) 815 goto fail_display; 816 } 817 818 NV_DEBUG(drm, "suspending fence...\n"); 819 if (drm->fence && nouveau_fence(drm)->suspend) { 820 if (!nouveau_fence(drm)->suspend(drm)) { 821 ret = -ENOMEM; 822 goto fail_display; 823 } 824 } 825 826 NV_DEBUG(drm, "suspending object tree...\n"); 827 ret = nvif_client_suspend(&drm->master.base); 828 if (ret) 829 goto fail_client; 830 831 return 0; 832 833 fail_client: 834 if (drm->fence && nouveau_fence(drm)->resume) 835 nouveau_fence(drm)->resume(drm); 836 837 fail_display: 838 if (dev->mode_config.num_crtc) { 839 NV_DEBUG(drm, "resuming display...\n"); 840 nouveau_display_resume(dev, runtime); 841 } 842 return ret; 843 } 844 845 static int 846 nouveau_do_resume(struct drm_device *dev, bool runtime) 847 { 848 int ret = 0; 849 struct nouveau_drm *drm = nouveau_drm(dev); 850 851 NV_DEBUG(drm, "resuming object tree...\n"); 852 ret = nvif_client_resume(&drm->master.base); 853 if (ret) { 854 NV_ERROR(drm, "Client resume failed with error: %d\n", ret); 855 return ret; 856 } 857 858 NV_DEBUG(drm, "resuming fence...\n"); 859 if (drm->fence && nouveau_fence(drm)->resume) 860 nouveau_fence(drm)->resume(drm); 861 862 nouveau_run_vbios_init(dev); 863 864 if (dev->mode_config.num_crtc) { 865 NV_DEBUG(drm, "resuming display...\n"); 866 nouveau_display_resume(dev, runtime); 867 NV_DEBUG(drm, "resuming console...\n"); 868 nouveau_fbcon_set_suspend(dev, 0); 869 } 870 871 nouveau_led_resume(dev); 872 nouveau_dmem_resume(drm); 873 nouveau_svm_resume(drm); 874 return 0; 875 } 876 877 int 878 #ifdef __NetBSD__ 879 nouveau_pmops_suspend(struct drm_device *drm_dev) 880 #else 881 nouveau_pmops_suspend(struct device *dev) 882 #endif 883 { 884 #ifndef __NetBSD__ 885 struct pci_dev *pdev = to_pci_dev(dev); 886 struct drm_device *drm_dev = pci_get_drvdata(pdev); 887 #endif 888 int ret; 889 890 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF || 891 drm_dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF) 892 return 0; 893 894 ret = nouveau_do_suspend(drm_dev, false); 895 if (ret) 896 return ret; 897 898 #ifndef __NetBSD__ /* pmf handles this for us. */ 899 pci_save_state(pdev); 900 pci_disable_device(pdev); 901 pci_set_power_state(pdev, PCI_D3hot); 902 #endif 903 udelay(200); 904 return 0; 905 } 906 907 int 908 #ifdef __NetBSD__ 909 nouveau_pmops_resume(struct drm_device *drm_dev) 910 #else 911 nouveau_pmops_resume(struct device *dev) 912 #endif 913 { 914 #ifndef __NetBSD__ 915 struct pci_dev *pdev = to_pci_dev(dev); 916 struct drm_device *drm_dev = pci_get_drvdata(pdev); 917 #endif 918 int ret; 919 920 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF || 921 drm_dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF) 922 return 0; 923 924 #ifndef __NetBSD__ /* pmf handles this for us */ 925 pci_set_power_state(pdev, PCI_D0); 926 pci_restore_state(pdev); 927 ret = pci_enable_device(pdev); 928 if (ret) 929 return ret; 930 pci_set_master(pdev); 931 #endif 932 933 ret = nouveau_do_resume(drm_dev, false); 934 935 /* Monitors may have been connected / disconnected during suspend */ 936 schedule_work(&nouveau_drm(drm_dev)->hpd_work); 937 938 return ret; 939 } 940 941 #ifdef __NetBSD__ /* XXX nouveau pm */ 942 943 bool 944 nouveau_pmops_runtime(void) 945 { 946 return true; /* XXX */ 947 } 948 949 #else 950 951 static int 952 nouveau_pmops_freeze(struct device *dev) 953 { 954 struct pci_dev *pdev = to_pci_dev(dev); 955 struct drm_device *drm_dev = pci_get_drvdata(pdev); 956 return nouveau_do_suspend(drm_dev, false); 957 } 958 959 static int 960 nouveau_pmops_thaw(struct device *dev) 961 { 962 struct pci_dev *pdev = to_pci_dev(dev); 963 struct drm_device *drm_dev = pci_get_drvdata(pdev); 964 return nouveau_do_resume(drm_dev, false); 965 } 966 967 bool 968 nouveau_pmops_runtime(void) 969 { 970 if (nouveau_runtime_pm == -1) 971 return nouveau_is_optimus() || nouveau_is_v1_dsm(); 972 return nouveau_runtime_pm == 1; 973 } 974 975 static int 976 nouveau_pmops_runtime_suspend(struct device *dev) 977 { 978 struct pci_dev *pdev = to_pci_dev(dev); 979 struct drm_device *drm_dev = pci_get_drvdata(pdev); 980 int ret; 981 982 if (!nouveau_pmops_runtime()) { 983 pm_runtime_forbid(dev); 984 return -EBUSY; 985 } 986 987 nouveau_switcheroo_optimus_dsm(); 988 ret = nouveau_do_suspend(drm_dev, true); 989 pci_save_state(pdev); 990 pci_disable_device(pdev); 991 pci_ignore_hotplug(pdev); 992 pci_set_power_state(pdev, PCI_D3cold); 993 drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF; 994 return ret; 995 } 996 997 static int 998 nouveau_pmops_runtime_resume(struct device *dev) 999 { 1000 struct pci_dev *pdev = to_pci_dev(dev); 1001 struct drm_device *drm_dev = pci_get_drvdata(pdev); 1002 struct nouveau_drm *drm = nouveau_drm(drm_dev); 1003 struct nvif_device *device = &nouveau_drm(drm_dev)->client.device; 1004 int ret; 1005 1006 if (!nouveau_pmops_runtime()) { 1007 pm_runtime_forbid(dev); 1008 return -EBUSY; 1009 } 1010 1011 pci_set_power_state(pdev, PCI_D0); 1012 pci_restore_state(pdev); 1013 ret = pci_enable_device(pdev); 1014 if (ret) 1015 return ret; 1016 pci_set_master(pdev); 1017 1018 ret = nouveau_do_resume(drm_dev, true); 1019 if (ret) { 1020 NV_ERROR(drm, "resume failed with: %d\n", ret); 1021 return ret; 1022 } 1023 1024 /* do magic */ 1025 nvif_mask(&device->object, 0x088488, (1 << 25), (1 << 25)); 1026 drm_dev->switch_power_state = DRM_SWITCH_POWER_ON; 1027 1028 /* Monitors may have been connected / disconnected during suspend */ 1029 schedule_work(&nouveau_drm(drm_dev)->hpd_work); 1030 1031 return ret; 1032 } 1033 1034 static int 1035 nouveau_pmops_runtime_idle(struct device *dev) 1036 { 1037 if (!nouveau_pmops_runtime()) { 1038 pm_runtime_forbid(dev); 1039 return -EBUSY; 1040 } 1041 1042 pm_runtime_mark_last_busy(dev); 1043 pm_runtime_autosuspend(dev); 1044 /* we don't want the main rpm_idle to call suspend - we want to autosuspend */ 1045 return 1; 1046 } 1047 #endif /* XXX nouveau pm */ 1048 1049 static int 1050 nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv) 1051 { 1052 struct nouveau_drm *drm = nouveau_drm(dev); 1053 struct nouveau_cli *cli; 1054 #ifdef __NetBSD__ 1055 const char name[] = "user"; 1056 #else 1057 char name[32], tmpname[TASK_COMM_LEN]; 1058 #endif 1059 int ret; 1060 1061 /* need to bring up power immediately if opening device */ 1062 ret = pm_runtime_get_sync(dev->dev); 1063 if (ret < 0 && ret != -EACCES) 1064 return ret; 1065 1066 #ifndef __NetBSD__ 1067 get_task_comm(tmpname, current); 1068 snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid)); 1069 #endif 1070 1071 if (!(cli = kzalloc(sizeof(*cli), GFP_KERNEL))) { 1072 ret = -ENOMEM; 1073 goto done; 1074 } 1075 1076 ret = nouveau_cli_init(drm, name, cli); 1077 if (ret) 1078 goto done; 1079 1080 cli->base.super = false; 1081 1082 fpriv->driver_priv = cli; 1083 1084 mutex_lock(&drm->client.mutex); 1085 list_add(&cli->head, &drm->clients); 1086 mutex_unlock(&drm->client.mutex); 1087 1088 done: 1089 if (ret && cli) { 1090 nouveau_cli_fini(cli); 1091 kfree(cli); 1092 } 1093 1094 pm_runtime_mark_last_busy(dev->dev); 1095 pm_runtime_put_autosuspend(dev->dev); 1096 return ret; 1097 } 1098 1099 static void 1100 nouveau_drm_postclose(struct drm_device *dev, struct drm_file *fpriv) 1101 { 1102 struct nouveau_cli *cli = nouveau_cli(fpriv); 1103 struct nouveau_drm *drm = nouveau_drm(dev); 1104 1105 pm_runtime_get_sync(dev->dev); 1106 1107 mutex_lock(&cli->mutex); 1108 if (cli->abi16) 1109 nouveau_abi16_fini(cli->abi16); 1110 mutex_unlock(&cli->mutex); 1111 1112 mutex_lock(&drm->client.mutex); 1113 list_del(&cli->head); 1114 mutex_unlock(&drm->client.mutex); 1115 1116 nouveau_cli_fini(cli); 1117 kfree(cli); 1118 pm_runtime_mark_last_busy(dev->dev); 1119 pm_runtime_put_autosuspend(dev->dev); 1120 } 1121 1122 static const struct drm_ioctl_desc 1123 nouveau_ioctls[] = { 1124 DRM_IOCTL_DEF_DRV(NOUVEAU_GETPARAM, nouveau_abi16_ioctl_getparam, DRM_RENDER_ALLOW), 1125 DRM_IOCTL_DEF_DRV(NOUVEAU_SETPARAM, drm_invalid_op, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 1126 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_ALLOC, nouveau_abi16_ioctl_channel_alloc, DRM_RENDER_ALLOW), 1127 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_FREE, nouveau_abi16_ioctl_channel_free, DRM_RENDER_ALLOW), 1128 DRM_IOCTL_DEF_DRV(NOUVEAU_GROBJ_ALLOC, nouveau_abi16_ioctl_grobj_alloc, DRM_RENDER_ALLOW), 1129 DRM_IOCTL_DEF_DRV(NOUVEAU_NOTIFIEROBJ_ALLOC, nouveau_abi16_ioctl_notifierobj_alloc, DRM_RENDER_ALLOW), 1130 DRM_IOCTL_DEF_DRV(NOUVEAU_GPUOBJ_FREE, nouveau_abi16_ioctl_gpuobj_free, DRM_RENDER_ALLOW), 1131 DRM_IOCTL_DEF_DRV(NOUVEAU_SVM_INIT, nouveau_svmm_init, DRM_RENDER_ALLOW), 1132 DRM_IOCTL_DEF_DRV(NOUVEAU_SVM_BIND, nouveau_svmm_bind, DRM_RENDER_ALLOW), 1133 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_NEW, nouveau_gem_ioctl_new, DRM_RENDER_ALLOW), 1134 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_PUSHBUF, nouveau_gem_ioctl_pushbuf, DRM_RENDER_ALLOW), 1135 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_PREP, nouveau_gem_ioctl_cpu_prep, DRM_RENDER_ALLOW), 1136 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_FINI, nouveau_gem_ioctl_cpu_fini, DRM_RENDER_ALLOW), 1137 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_INFO, nouveau_gem_ioctl_info, DRM_RENDER_ALLOW), 1138 }; 1139 1140 #ifdef __NetBSD__ 1141 static int /* XXX expose to ioc32 */ 1142 nouveau_ioctl_override(struct file *fp, unsigned long cmd, void *data) 1143 { 1144 struct drm_file *file = fp->f_data; 1145 struct drm_device *dev = file->minor->dev; 1146 int ret; 1147 1148 ret = pm_runtime_get_sync(dev->dev); 1149 if (ret < 0 && ret != -EACCES) 1150 /* XXX errno Linux->NetBSD */ 1151 return -ret; 1152 1153 switch (DRM_IOCTL_NR(cmd) - DRM_COMMAND_BASE) { 1154 case DRM_NOUVEAU_NVIF: 1155 /* XXX errno Linux->NetBSD */ 1156 ret = -usif_ioctl(file, data, IOCPARM_LEN(cmd)); 1157 break; 1158 default: 1159 ret = drm_ioctl(fp, cmd, data); 1160 break; 1161 } 1162 1163 pm_runtime_mark_last_busy(dev->dev); 1164 pm_runtime_put_autosuspend(dev->dev); 1165 return ret; 1166 } 1167 #else 1168 long 1169 nouveau_drm_ioctl(struct file *file, unsigned int cmd, unsigned long arg) 1170 { 1171 struct drm_file *filp = file->private_data; 1172 struct drm_device *dev = filp->minor->dev; 1173 long ret; 1174 1175 ret = pm_runtime_get_sync(dev->dev); 1176 if (ret < 0 && ret != -EACCES) 1177 return ret; 1178 1179 switch (_IOC_NR(cmd) - DRM_COMMAND_BASE) { 1180 case DRM_NOUVEAU_NVIF: 1181 ret = usif_ioctl(filp, (void __user *)arg, _IOC_SIZE(cmd)); 1182 break; 1183 default: 1184 ret = drm_ioctl(file, cmd, arg); 1185 break; 1186 } 1187 1188 pm_runtime_mark_last_busy(dev->dev); 1189 pm_runtime_put_autosuspend(dev->dev); 1190 return ret; 1191 } 1192 #endif 1193 1194 #ifndef __NetBSD__ 1195 static const struct file_operations 1196 nouveau_driver_fops = { 1197 .owner = THIS_MODULE, 1198 .open = drm_open, 1199 .release = drm_release, 1200 .unlocked_ioctl = nouveau_drm_ioctl, 1201 .mmap = nouveau_ttm_mmap, 1202 .poll = drm_poll, 1203 .read = drm_read, 1204 #if defined(CONFIG_COMPAT) 1205 .compat_ioctl = nouveau_compat_ioctl, 1206 #endif 1207 .llseek = noop_llseek, 1208 }; 1209 #endif 1210 1211 static struct drm_driver 1212 driver_stub = { 1213 .driver_features = 1214 DRIVER_GEM | DRIVER_MODESET | DRIVER_RENDER 1215 #if defined(CONFIG_NOUVEAU_LEGACY_CTX_SUPPORT) 1216 | DRIVER_KMS_LEGACY_CONTEXT 1217 #endif 1218 , 1219 1220 .open = nouveau_drm_open, 1221 .postclose = nouveau_drm_postclose, 1222 .lastclose = nouveau_vga_lastclose, 1223 1224 #if defined(CONFIG_DEBUG_FS) 1225 .debugfs_init = nouveau_drm_debugfs_init, 1226 #endif 1227 1228 .enable_vblank = nouveau_display_vblank_enable, 1229 .disable_vblank = nouveau_display_vblank_disable, 1230 .get_scanout_position = nouveau_display_scanoutpos, 1231 .get_vblank_timestamp = drm_calc_vbltimestamp_from_scanoutpos, 1232 1233 .ioctls = nouveau_ioctls, 1234 .num_ioctls = ARRAY_SIZE(nouveau_ioctls), 1235 #ifdef __NetBSD__ 1236 .fops = NULL, 1237 .mmap_object = &nouveau_ttm_mmap_object, 1238 .gem_uvm_ops = &nouveau_gem_uvm_ops, 1239 .ioctl_override = nouveau_ioctl_override, 1240 #else 1241 .fops = &nouveau_driver_fops, 1242 #endif 1243 1244 .prime_handle_to_fd = drm_gem_prime_handle_to_fd, 1245 .prime_fd_to_handle = drm_gem_prime_fd_to_handle, 1246 .gem_prime_pin = nouveau_gem_prime_pin, 1247 .gem_prime_unpin = nouveau_gem_prime_unpin, 1248 .gem_prime_get_sg_table = nouveau_gem_prime_get_sg_table, 1249 .gem_prime_import_sg_table = nouveau_gem_prime_import_sg_table, 1250 .gem_prime_vmap = nouveau_gem_prime_vmap, 1251 .gem_prime_vunmap = nouveau_gem_prime_vunmap, 1252 1253 .gem_free_object_unlocked = nouveau_gem_object_del, 1254 .gem_open_object = nouveau_gem_object_open, 1255 .gem_close_object = nouveau_gem_object_close, 1256 1257 .dumb_create = nouveau_display_dumb_create, 1258 .dumb_map_offset = nouveau_display_dumb_map_offset, 1259 1260 .name = DRIVER_NAME, 1261 .desc = DRIVER_DESC, 1262 #ifdef GIT_REVISION 1263 .date = GIT_REVISION, 1264 #else 1265 .date = DRIVER_DATE, 1266 #endif 1267 .major = DRIVER_MAJOR, 1268 .minor = DRIVER_MINOR, 1269 .patchlevel = DRIVER_PATCHLEVEL, 1270 }; 1271 1272 #ifndef __NetBSD__ 1273 static struct pci_device_id 1274 nouveau_drm_pci_table[] = { 1275 { 1276 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID), 1277 .class = PCI_BASE_CLASS_DISPLAY << 16, 1278 .class_mask = 0xff << 16, 1279 }, 1280 { 1281 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS, PCI_ANY_ID), 1282 .class = PCI_BASE_CLASS_DISPLAY << 16, 1283 .class_mask = 0xff << 16, 1284 }, 1285 {} 1286 }; 1287 #endif 1288 1289 #ifndef __NetBSD__ 1290 static void nouveau_display_options(void) 1291 { 1292 DRM_DEBUG_DRIVER("Loading Nouveau with parameters:\n"); 1293 1294 DRM_DEBUG_DRIVER("... tv_disable : %d\n", nouveau_tv_disable); 1295 DRM_DEBUG_DRIVER("... ignorelid : %d\n", nouveau_ignorelid); 1296 DRM_DEBUG_DRIVER("... duallink : %d\n", nouveau_duallink); 1297 DRM_DEBUG_DRIVER("... nofbaccel : %d\n", nouveau_nofbaccel); 1298 DRM_DEBUG_DRIVER("... config : %s\n", nouveau_config); 1299 DRM_DEBUG_DRIVER("... debug : %s\n", nouveau_debug); 1300 DRM_DEBUG_DRIVER("... noaccel : %d\n", nouveau_noaccel); 1301 DRM_DEBUG_DRIVER("... modeset : %d\n", nouveau_modeset); 1302 DRM_DEBUG_DRIVER("... runpm : %d\n", nouveau_runtime_pm); 1303 DRM_DEBUG_DRIVER("... vram_pushbuf : %d\n", nouveau_vram_pushbuf); 1304 DRM_DEBUG_DRIVER("... hdmimhz : %d\n", nouveau_hdmimhz); 1305 } 1306 #endif 1307 1308 #ifndef __NetBSD__ /* XXX nouveau pm */ 1309 static const struct dev_pm_ops nouveau_pm_ops = { 1310 .suspend = nouveau_pmops_suspend, 1311 .resume = nouveau_pmops_resume, 1312 .freeze = nouveau_pmops_freeze, 1313 .thaw = nouveau_pmops_thaw, 1314 .poweroff = nouveau_pmops_freeze, 1315 .restore = nouveau_pmops_resume, 1316 .runtime_suspend = nouveau_pmops_runtime_suspend, 1317 .runtime_resume = nouveau_pmops_runtime_resume, 1318 .runtime_idle = nouveau_pmops_runtime_idle, 1319 }; 1320 #endif /* XXX nouveau pm */ 1321 1322 #ifndef __NetBSD__ 1323 static struct pci_driver 1324 nouveau_drm_pci_driver = { 1325 .name = "nouveau", 1326 .id_table = nouveau_drm_pci_table, 1327 .probe = nouveau_drm_probe, 1328 .remove = nouveau_drm_remove, 1329 .driver.pm = &nouveau_pm_ops, 1330 }; 1331 1332 struct drm_device * 1333 nouveau_platform_device_create(const struct nvkm_device_tegra_func *func, 1334 struct platform_device *pdev, 1335 struct nvkm_device **pdevice) 1336 { 1337 struct drm_device *drm; 1338 int err; 1339 1340 err = nvkm_device_tegra_new(func, pdev, nouveau_config, nouveau_debug, 1341 true, true, ~0ULL, pdevice); 1342 if (err) 1343 goto err_free; 1344 1345 drm = drm_dev_alloc(&driver_platform, &pdev->dev); 1346 if (IS_ERR(drm)) { 1347 err = PTR_ERR(drm); 1348 goto err_free; 1349 } 1350 1351 err = nouveau_drm_device_init(drm); 1352 if (err) 1353 goto err_put; 1354 1355 platform_set_drvdata(pdev, drm); 1356 1357 return drm; 1358 1359 err_put: 1360 drm_dev_put(drm); 1361 err_free: 1362 nvkm_device_del(pdevice); 1363 1364 return ERR_PTR(err); 1365 } 1366 1367 static int __init 1368 nouveau_drm_init(void) 1369 { 1370 driver_pci = driver_stub; 1371 driver_platform = driver_stub; 1372 1373 nouveau_display_options(); 1374 1375 if (nouveau_modeset == -1) { 1376 if (vgacon_text_force()) 1377 nouveau_modeset = 0; 1378 } 1379 1380 if (!nouveau_modeset) 1381 return 0; 1382 1383 #ifdef CONFIG_NOUVEAU_PLATFORM_DRIVER 1384 platform_driver_register(&nouveau_platform_driver); 1385 #endif 1386 1387 nouveau_register_dsm_handler(); 1388 nouveau_backlight_ctor(); 1389 1390 #ifdef CONFIG_PCI 1391 return pci_register_driver(&nouveau_drm_pci_driver); 1392 #else 1393 return 0; 1394 #endif 1395 } 1396 1397 static void __exit 1398 nouveau_drm_exit(void) 1399 { 1400 if (!nouveau_modeset) 1401 return; 1402 1403 #ifdef CONFIG_PCI 1404 pci_unregister_driver(&nouveau_drm_pci_driver); 1405 #endif 1406 nouveau_backlight_dtor(); 1407 nouveau_unregister_dsm_handler(); 1408 1409 #ifdef CONFIG_NOUVEAU_PLATFORM_DRIVER 1410 platform_driver_unregister(&nouveau_platform_driver); 1411 #endif 1412 if (IS_ENABLED(CONFIG_DRM_NOUVEAU_SVM)) 1413 mmu_notifier_synchronize(); 1414 } 1415 #endif 1416 1417 module_init(nouveau_drm_init); 1418 module_exit(nouveau_drm_exit); 1419 1420 MODULE_DEVICE_TABLE(pci, nouveau_drm_pci_table); 1421 MODULE_AUTHOR(DRIVER_AUTHOR); 1422 MODULE_DESCRIPTION(DRIVER_DESC); 1423 MODULE_LICENSE("GPL and additional rights"); 1424
Indexes created Sun Sep 21 19:09:51 GMT 2025