drivers/accel/ivpu/ivpu_drv.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (C) 2020-2023 Intel Corporation
   4  */
   5
   6 #include <linux/firmware.h>
   7 #include <linux/module.h>
   8 #include <linux/pci.h>
   9 #include <linux/pm_runtime.h>
  10
  11 #include <drm/drm_accel.h>
  12 #include <drm/drm_file.h>
  13 #include <drm/drm_gem.h>
  14 #include <drm/drm_ioctl.h>
  15 #include <drm/drm_prime.h>
  16
  17 #include "vpu_boot_api.h"
  18 #include "ivpu_debugfs.h"
  19 #include "ivpu_drv.h"
  20 #include "ivpu_fw.h"
  21 #include "ivpu_fw_log.h"
  22 #include "ivpu_gem.h"
  23 #include "ivpu_hw.h"
  24 #include "ivpu_ipc.h"
  25 #include "ivpu_job.h"
  26 #include "ivpu_jsm_msg.h"
  27 #include "ivpu_mmu.h"
  28 #include "ivpu_mmu_context.h"
  29 #include "ivpu_pm.h"
  30
  31 #ifndef DRIVER_VERSION_STR
  32 #define DRIVER_VERSION_STR __stringify(DRM_IVPU_DRIVER_MAJOR) "." \
  33                            __stringify(DRM_IVPU_DRIVER_MINOR) "."
  34 #endif
  35
  36 static struct lock_class_key submitted_jobs_xa_lock_class_key;
  37
  38 int ivpu_dbg_mask;
  39 module_param_named(dbg_mask, ivpu_dbg_mask, int, 0644);
  40 MODULE_PARM_DESC(dbg_mask, "Driver debug mask. See IVPU_DBG_* macros.");
  41
  42 int ivpu_test_mode;
  43 module_param_named_unsafe(test_mode, ivpu_test_mode, int, 0644);
  44 MODULE_PARM_DESC(test_mode, "Test mode mask. See IVPU_TEST_MODE_* macros.");
  45
  46 u8 ivpu_pll_min_ratio;
  47 module_param_named(pll_min_ratio, ivpu_pll_min_ratio, byte, 0644);
  48 MODULE_PARM_DESC(pll_min_ratio, "Minimum PLL ratio used to set VPU frequency");
  49
  50 u8 ivpu_pll_max_ratio = U8_MAX;
  51 module_param_named(pll_max_ratio, ivpu_pll_max_ratio, byte, 0644);
  52 MODULE_PARM_DESC(pll_max_ratio, "Maximum PLL ratio used to set VPU frequency");
  53
  54 bool ivpu_disable_mmu_cont_pages;
  55 module_param_named(disable_mmu_cont_pages, ivpu_disable_mmu_cont_pages, bool, 0644);
  56 MODULE_PARM_DESC(disable_mmu_cont_pages, "Disable MMU contiguous pages optimization");
  57
  58 struct ivpu_file_priv *ivpu_file_priv_get(struct ivpu_file_priv *file_priv)
  59 {
  60         struct ivpu_device *vdev = file_priv->vdev;
  61
  62         kref_get(&file_priv->ref);
  63
  64         ivpu_dbg(vdev, KREF, "file_priv get: ctx %u refcount %u\n",
  65                  file_priv->ctx.id, kref_read(&file_priv->ref));
  66
  67         return file_priv;
  68 }
  69
  70 static void file_priv_unbind(struct ivpu_device *vdev, struct ivpu_file_priv *file_priv)
  71 {
  72         mutex_lock(&file_priv->lock);
  73         if (file_priv->bound) {
  74                 ivpu_dbg(vdev, FILE, "file_priv unbind: ctx %u\n", file_priv->ctx.id);
  75
  76                 ivpu_cmdq_release_all_locked(file_priv);
  77                 ivpu_jsm_context_release(vdev, file_priv->ctx.id);
  78                 ivpu_bo_unbind_all_bos_from_context(vdev, &file_priv->ctx);
  79                 ivpu_mmu_user_context_fini(vdev, &file_priv->ctx);
  80                 file_priv->bound = false;
  81                 drm_WARN_ON(&vdev->drm, !xa_erase_irq(&vdev->context_xa, file_priv->ctx.id));
  82         }
  83         mutex_unlock(&file_priv->lock);
  84 }
  85
  86 static void file_priv_release(struct kref *ref)
  87 {
  88         struct ivpu_file_priv *file_priv = container_of(ref, struct ivpu_file_priv, ref);
  89         struct ivpu_device *vdev = file_priv->vdev;
  90
  91         ivpu_dbg(vdev, FILE, "file_priv release: ctx %u bound %d\n",
  92                  file_priv->ctx.id, (bool)file_priv->bound);
  93
  94         pm_runtime_get_sync(vdev->drm.dev);
  95         mutex_lock(&vdev->context_list_lock);
  96         file_priv_unbind(vdev, file_priv);
  97         mutex_unlock(&vdev->context_list_lock);
  98         pm_runtime_put_autosuspend(vdev->drm.dev);
  99
 100         mutex_destroy(&file_priv->lock);
 101         kfree(file_priv);
 102 }
 103
 104 void ivpu_file_priv_put(struct ivpu_file_priv **link)
 105 {
 106         struct ivpu_file_priv *file_priv = *link;
 107         struct ivpu_device *vdev = file_priv->vdev;
 108
 109         drm_WARN_ON(&vdev->drm, !file_priv);
 110
 111         ivpu_dbg(vdev, KREF, "file_priv put: ctx %u refcount %u\n",
 112                  file_priv->ctx.id, kref_read(&file_priv->ref));
 113
 114         *link = NULL;
 115         kref_put(&file_priv->ref, file_priv_release);
 116 }
 117
 118 static int ivpu_get_capabilities(struct ivpu_device *vdev, struct drm_ivpu_param *args)
 119 {
 120         switch (args->index) {
 121         case DRM_IVPU_CAP_METRIC_STREAMER:
 122                 args->value = 0;
 123                 break;
 124         case DRM_IVPU_CAP_DMA_MEMORY_RANGE:
 125                 args->value = 1;
 126                 break;
 127         default:
 128                 return -EINVAL;
 129         }
 130
 131         return 0;
 132 }
 133
 134 static int ivpu_get_param_ioctl(struct drm_device *dev, void *data, struct drm_file *file)
 135 {
 136         struct ivpu_file_priv *file_priv = file->driver_priv;
 137         struct ivpu_device *vdev = file_priv->vdev;
 138         struct pci_dev *pdev = to_pci_dev(vdev->drm.dev);
 139         struct drm_ivpu_param *args = data;
 140         int ret = 0;
 141         int idx;
 142
 143         if (!drm_dev_enter(dev, &idx))
 144                 return -ENODEV;
 145
 146         switch (args->param) {
 147         case DRM_IVPU_PARAM_DEVICE_ID:
 148                 args->value = pdev->device;
 149                 break;
 150         case DRM_IVPU_PARAM_DEVICE_REVISION:
 151                 args->value = pdev->revision;
 152                 break;
 153         case DRM_IVPU_PARAM_PLATFORM_TYPE:
 154                 args->value = vdev->platform;
 155                 break;
 156         case DRM_IVPU_PARAM_CORE_CLOCK_RATE:
 157                 args->value = ivpu_hw_ratio_to_freq(vdev, vdev->hw->pll.max_ratio);
 158                 break;
 159         case DRM_IVPU_PARAM_NUM_CONTEXTS:
 160                 args->value = ivpu_get_context_count(vdev);
 161                 break;
 162         case DRM_IVPU_PARAM_CONTEXT_BASE_ADDRESS:
 163                 args->value = vdev->hw->ranges.user.start;
 164                 break;
 165         case DRM_IVPU_PARAM_CONTEXT_ID:
 166                 args->value = file_priv->ctx.id;
 167                 break;
 168         case DRM_IVPU_PARAM_FW_API_VERSION:
 169                 if (args->index < VPU_FW_API_VER_NUM) {
 170                         struct vpu_firmware_header *fw_hdr;
 171
 172                         fw_hdr = (struct vpu_firmware_header *)vdev->fw->file->data;
 173                         args->value = fw_hdr->api_version[args->index];
 174                 } else {
 175                         ret = -EINVAL;
 176                 }
 177                 break;
 178         case DRM_IVPU_PARAM_ENGINE_HEARTBEAT:
 179                 ret = ivpu_jsm_get_heartbeat(vdev, args->index, &args->value);
 180                 break;
 181         case DRM_IVPU_PARAM_UNIQUE_INFERENCE_ID:
 182                 args->value = (u64)atomic64_inc_return(&vdev->unique_id_counter);
 183                 break;
 184         case DRM_IVPU_PARAM_TILE_CONFIG:
 185                 args->value = vdev->hw->tile_fuse;
 186                 break;
 187         case DRM_IVPU_PARAM_SKU:
 188                 args->value = vdev->hw->sku;
 189                 break;
 190         case DRM_IVPU_PARAM_CAPABILITIES:
 191                 ret = ivpu_get_capabilities(vdev, args);
 192                 break;
 193         default:
 194                 ret = -EINVAL;
 195                 break;
 196         }
 197
 198         drm_dev_exit(idx);
 199         return ret;
 200 }
 201
 202 static int ivpu_set_param_ioctl(struct drm_device *dev, void *data, struct drm_file *file)
 203 {
 204         struct drm_ivpu_param *args = data;
 205         int ret = 0;
 206
 207         switch (args->param) {
 208         default:
 209                 ret = -EINVAL;
 210         }
 211
 212         return ret;
 213 }
 214
 215 static int ivpu_open(struct drm_device *dev, struct drm_file *file)
 216 {
 217         struct ivpu_device *vdev = to_ivpu_device(dev);
 218         struct ivpu_file_priv *file_priv;
 219         u32 ctx_id;
 220         int idx, ret;
 221
 222         if (!drm_dev_enter(dev, &idx))
 223                 return -ENODEV;
 224
 225         file_priv = kzalloc(sizeof(*file_priv), GFP_KERNEL);
 226         if (!file_priv) {
 227                 ret = -ENOMEM;
 228                 goto err_dev_exit;
 229         }
 230
 231         file_priv->vdev = vdev;
 232         file_priv->bound = true;
 233         kref_init(&file_priv->ref);
 234         mutex_init(&file_priv->lock);
 235
 236         mutex_lock(&vdev->context_list_lock);
 237
 238         ret = xa_alloc_irq(&vdev->context_xa, &ctx_id, file_priv,
 239                            vdev->context_xa_limit, GFP_KERNEL);
 240         if (ret) {
 241                 ivpu_err(vdev, "Failed to allocate context id: %d\n", ret);
 242                 goto err_unlock;
 243         }
 244
 245         ret = ivpu_mmu_user_context_init(vdev, &file_priv->ctx, ctx_id);
 246         if (ret)
 247                 goto err_xa_erase;
 248
 249         mutex_unlock(&vdev->context_list_lock);
 250         drm_dev_exit(idx);
 251
 252         file->driver_priv = file_priv;
 253
 254         ivpu_dbg(vdev, FILE, "file_priv create: ctx %u process %s pid %d\n",
 255                  ctx_id, current->comm, task_pid_nr(current));
 256
 257         return 0;
 258
 259 err_xa_erase:
 260         xa_erase_irq(&vdev->context_xa, ctx_id);
 261 err_unlock:
 262         mutex_unlock(&vdev->context_list_lock);
 263         mutex_destroy(&file_priv->lock);
 264         kfree(file_priv);
 265 err_dev_exit:
 266         drm_dev_exit(idx);
 267         return ret;
 268 }
 269
 270 static void ivpu_postclose(struct drm_device *dev, struct drm_file *file)
 271 {
 272         struct ivpu_file_priv *file_priv = file->driver_priv;
 273         struct ivpu_device *vdev = to_ivpu_device(dev);
 274
 275         ivpu_dbg(vdev, FILE, "file_priv close: ctx %u process %s pid %d\n",
 276                  file_priv->ctx.id, current->comm, task_pid_nr(current));
 277
 278         ivpu_file_priv_put(&file_priv);
 279 }
 280
 281 static const struct drm_ioctl_desc ivpu_drm_ioctls[] = {
 282         DRM_IOCTL_DEF_DRV(IVPU_GET_PARAM, ivpu_get_param_ioctl, 0),
 283         DRM_IOCTL_DEF_DRV(IVPU_SET_PARAM, ivpu_set_param_ioctl, 0),
 284         DRM_IOCTL_DEF_DRV(IVPU_BO_CREATE, ivpu_bo_create_ioctl, 0),
 285         DRM_IOCTL_DEF_DRV(IVPU_BO_INFO, ivpu_bo_info_ioctl, 0),
 286         DRM_IOCTL_DEF_DRV(IVPU_SUBMIT, ivpu_submit_ioctl, 0),
 287         DRM_IOCTL_DEF_DRV(IVPU_BO_WAIT, ivpu_bo_wait_ioctl, 0),
 288 };
 289
 290 static int ivpu_wait_for_ready(struct ivpu_device *vdev)
 291 {
 292         struct ivpu_ipc_consumer cons;
 293         struct ivpu_ipc_hdr ipc_hdr;
 294         unsigned long timeout;
 295         int ret;
 296
 297         if (ivpu_test_mode & IVPU_TEST_MODE_FW_TEST)
 298                 return 0;
 299
 300         ivpu_ipc_consumer_add(vdev, &cons, IVPU_IPC_CHAN_BOOT_MSG, NULL);
 301
 302         timeout = jiffies + msecs_to_jiffies(vdev->timeout.boot);
 303         while (1) {
 304                 ivpu_ipc_irq_handler(vdev, NULL);
 305                 ret = ivpu_ipc_receive(vdev, &cons, &ipc_hdr, NULL, 0);
 306                 if (ret != -ETIMEDOUT || time_after_eq(jiffies, timeout))
 307                         break;
 308
 309                 cond_resched();
 310         }
 311
 312         ivpu_ipc_consumer_del(vdev, &cons);
 313
 314         if (!ret && ipc_hdr.data_addr != IVPU_IPC_BOOT_MSG_DATA_ADDR) {
 315                 ivpu_err(vdev, "Invalid VPU ready message: 0x%x\n",
 316                          ipc_hdr.data_addr);
 317                 return -EIO;
 318         }
 319
 320         if (!ret)
 321                 ivpu_dbg(vdev, PM, "VPU ready message received successfully\n");
 322
 323         return ret;
 324 }
 325
 326 /**
 327  * ivpu_boot() - Start VPU firmware
 328  * @vdev: VPU device
 329  *
 330  * This function is paired with ivpu_shutdown() but it doesn't power up the
 331  * VPU because power up has to be called very early in ivpu_probe().
 332  */
 333 int ivpu_boot(struct ivpu_device *vdev)
 334 {
 335         int ret;
 336
 337         /* Update boot params located at first 4KB of FW memory */
 338         ivpu_fw_boot_params_setup(vdev, ivpu_bo_vaddr(vdev->fw->mem));
 339
 340         ret = ivpu_hw_boot_fw(vdev);
 341         if (ret) {
 342                 ivpu_err(vdev, "Failed to start the firmware: %d\n", ret);
 343                 return ret;
 344         }
 345
 346         ret = ivpu_wait_for_ready(vdev);
 347         if (ret) {
 348                 ivpu_err(vdev, "Failed to boot the firmware: %d\n", ret);
 349                 ivpu_hw_diagnose_failure(vdev);
 350                 ivpu_mmu_evtq_dump(vdev);
 351                 ivpu_fw_log_dump(vdev);
 352                 return ret;
 353         }
 354
 355         ivpu_hw_irq_clear(vdev);
 356         enable_irq(vdev->irq);
 357         ivpu_hw_irq_enable(vdev);
 358         ivpu_ipc_enable(vdev);
 359         return 0;
 360 }
 361
 362 void ivpu_prepare_for_reset(struct ivpu_device *vdev)
 363 {
 364         ivpu_hw_irq_disable(vdev);
 365         disable_irq(vdev->irq);
 366         ivpu_ipc_disable(vdev);
 367         ivpu_mmu_disable(vdev);
 368 }
 369
 370 int ivpu_shutdown(struct ivpu_device *vdev)
 371 {
 372         int ret;
 373
 374         ivpu_prepare_for_reset(vdev);
 375
 376         ret = ivpu_hw_power_down(vdev);
 377         if (ret)
 378                 ivpu_warn(vdev, "Failed to power down HW: %d\n", ret);
 379
 380         return ret;
 381 }
 382
 383 static const struct file_operations ivpu_fops = {
 384         .owner          = THIS_MODULE,
 385         DRM_ACCEL_FOPS,
 386 };
 387
 388 static const struct drm_driver driver = {
 389         .driver_features = DRIVER_GEM | DRIVER_COMPUTE_ACCEL,
 390
 391         .open = ivpu_open,
 392         .postclose = ivpu_postclose,
 393
 394         .gem_create_object = ivpu_gem_create_object,
 395         .gem_prime_import_sg_table = drm_gem_shmem_prime_import_sg_table,
 396
 397         .ioctls = ivpu_drm_ioctls,
 398         .num_ioctls = ARRAY_SIZE(ivpu_drm_ioctls),
 399         .fops = &ivpu_fops,
 400
 401         .name = DRIVER_NAME,
 402         .desc = DRIVER_DESC,
 403         .date = DRIVER_DATE,
 404         .major = DRM_IVPU_DRIVER_MAJOR,
 405         .minor = DRM_IVPU_DRIVER_MINOR,
 406 };
 407
 408 static irqreturn_t ivpu_irq_thread_handler(int irq, void *arg)
 409 {
 410         struct ivpu_device *vdev = arg;
 411
 412         return ivpu_ipc_irq_thread_handler(vdev);
 413 }
 414
 415 static int ivpu_irq_init(struct ivpu_device *vdev)
 416 {
 417         struct pci_dev *pdev = to_pci_dev(vdev->drm.dev);
 418         int ret;
 419
 420         ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSI | PCI_IRQ_MSIX);
 421         if (ret < 0) {
 422                 ivpu_err(vdev, "Failed to allocate a MSI IRQ: %d\n", ret);
 423                 return ret;
 424         }
 425
 426         vdev->irq = pci_irq_vector(pdev, 0);
 427
 428         ret = devm_request_threaded_irq(vdev->drm.dev, vdev->irq, vdev->hw->ops->irq_handler,
 429                                         ivpu_irq_thread_handler, IRQF_NO_AUTOEN, DRIVER_NAME, vdev);
 430         if (ret)
 431                 ivpu_err(vdev, "Failed to request an IRQ %d\n", ret);
 432
 433         return ret;
 434 }
 435
 436 static int ivpu_pci_init(struct ivpu_device *vdev)
 437 {
 438         struct pci_dev *pdev = to_pci_dev(vdev->drm.dev);
 439         struct resource *bar0 = &pdev->resource[0];
 440         struct resource *bar4 = &pdev->resource[4];
 441         int ret;
 442
 443         ivpu_dbg(vdev, MISC, "Mapping BAR0 (RegV) %pR\n", bar0);
 444         vdev->regv = devm_ioremap_resource(vdev->drm.dev, bar0);
 445         if (IS_ERR(vdev->regv)) {
 446                 ivpu_err(vdev, "Failed to map bar 0: %pe\n", vdev->regv);
 447                 return PTR_ERR(vdev->regv);
 448         }
 449
 450         ivpu_dbg(vdev, MISC, "Mapping BAR4 (RegB) %pR\n", bar4);
 451         vdev->regb = devm_ioremap_resource(vdev->drm.dev, bar4);
 452         if (IS_ERR(vdev->regb)) {
 453                 ivpu_err(vdev, "Failed to map bar 4: %pe\n", vdev->regb);
 454                 return PTR_ERR(vdev->regb);
 455         }
 456
 457         ret = dma_set_mask_and_coherent(vdev->drm.dev, DMA_BIT_MASK(vdev->hw->dma_bits));
 458         if (ret) {
 459                 ivpu_err(vdev, "Failed to set DMA mask: %d\n", ret);
 460                 return ret;
 461         }
 462         dma_set_max_seg_size(vdev->drm.dev, UINT_MAX);
 463
 464         /* Clear any pending errors */
 465         pcie_capability_clear_word(pdev, PCI_EXP_DEVSTA, 0x3f);
 466
 467         /* NPU does not require 10m D3hot delay */
 468         pdev->d3hot_delay = 0;
 469
 470         ret = pcim_enable_device(pdev);
 471         if (ret) {
 472                 ivpu_err(vdev, "Failed to enable PCI device: %d\n", ret);
 473                 return ret;
 474         }
 475
 476         pci_set_master(pdev);
 477
 478         return 0;
 479 }
 480
 481 static int ivpu_dev_init(struct ivpu_device *vdev)
 482 {
 483         int ret;
 484
 485         vdev->hw = drmm_kzalloc(&vdev->drm, sizeof(*vdev->hw), GFP_KERNEL);
 486         if (!vdev->hw)
 487                 return -ENOMEM;
 488
 489         vdev->mmu = drmm_kzalloc(&vdev->drm, sizeof(*vdev->mmu), GFP_KERNEL);
 490         if (!vdev->mmu)
 491                 return -ENOMEM;
 492
 493         vdev->fw = drmm_kzalloc(&vdev->drm, sizeof(*vdev->fw), GFP_KERNEL);
 494         if (!vdev->fw)
 495                 return -ENOMEM;
 496
 497         vdev->ipc = drmm_kzalloc(&vdev->drm, sizeof(*vdev->ipc), GFP_KERNEL);
 498         if (!vdev->ipc)
 499                 return -ENOMEM;
 500
 501         vdev->pm = drmm_kzalloc(&vdev->drm, sizeof(*vdev->pm), GFP_KERNEL);
 502         if (!vdev->pm)
 503                 return -ENOMEM;
 504
 505         if (ivpu_hw_gen(vdev) >= IVPU_HW_40XX) {
 506                 vdev->hw->ops = &ivpu_hw_40xx_ops;
 507                 vdev->hw->dma_bits = 48;
 508         } else {
 509                 vdev->hw->ops = &ivpu_hw_37xx_ops;
 510                 vdev->hw->dma_bits = 38;
 511         }
 512
 513         vdev->platform = IVPU_PLATFORM_INVALID;
 514         vdev->context_xa_limit.min = IVPU_USER_CONTEXT_MIN_SSID;
 515         vdev->context_xa_limit.max = IVPU_USER_CONTEXT_MAX_SSID;
 516         atomic64_set(&vdev->unique_id_counter, 0);
 517         xa_init_flags(&vdev->context_xa, XA_FLAGS_ALLOC | XA_FLAGS_LOCK_IRQ);
 518         xa_init_flags(&vdev->submitted_jobs_xa, XA_FLAGS_ALLOC1);
 519         lockdep_set_class(&vdev->submitted_jobs_xa.xa_lock, &submitted_jobs_xa_lock_class_key);
 520         INIT_LIST_HEAD(&vdev->bo_list);
 521
 522         ret = drmm_mutex_init(&vdev->drm, &vdev->context_list_lock);
 523         if (ret)
 524                 goto err_xa_destroy;
 525
 526         ret = drmm_mutex_init(&vdev->drm, &vdev->bo_list_lock);
 527         if (ret)
 528                 goto err_xa_destroy;
 529
 530         ret = ivpu_pci_init(vdev);
 531         if (ret)
 532                 goto err_xa_destroy;
 533
 534         ret = ivpu_irq_init(vdev);
 535         if (ret)
 536                 goto err_xa_destroy;
 537
 538         /* Init basic HW info based on buttress registers which are accessible before power up */
 539         ret = ivpu_hw_info_init(vdev);
 540         if (ret)
 541                 goto err_xa_destroy;
 542
 543         /* Power up early so the rest of init code can access VPU registers */
 544         ret = ivpu_hw_power_up(vdev);
 545         if (ret)
 546                 goto err_power_down;
 547
 548         ret = ivpu_mmu_global_context_init(vdev);
 549         if (ret)
 550                 goto err_power_down;
 551
 552         ret = ivpu_mmu_init(vdev);
 553         if (ret)
 554                 goto err_mmu_gctx_fini;
 555
 556         ret = ivpu_mmu_reserved_context_init(vdev);
 557         if (ret)
 558                 goto err_mmu_gctx_fini;
 559
 560         ret = ivpu_fw_init(vdev);
 561         if (ret)
 562                 goto err_mmu_rctx_fini;
 563
 564         ret = ivpu_ipc_init(vdev);
 565         if (ret)
 566                 goto err_fw_fini;
 567
 568         ivpu_pm_init(vdev);
 569
 570         ret = ivpu_boot(vdev);
 571         if (ret)
 572                 goto err_ipc_fini;
 573
 574         ivpu_job_done_consumer_init(vdev);
 575         ivpu_pm_enable(vdev);
 576
 577         return 0;
 578
 579 err_ipc_fini:
 580         ivpu_ipc_fini(vdev);
 581 err_fw_fini:
 582         ivpu_fw_fini(vdev);
 583 err_mmu_rctx_fini:
 584         ivpu_mmu_reserved_context_fini(vdev);
 585 err_mmu_gctx_fini:
 586         ivpu_mmu_global_context_fini(vdev);
 587 err_power_down:
 588         ivpu_hw_power_down(vdev);
 589         if (IVPU_WA(d3hot_after_power_off))
 590                 pci_set_power_state(to_pci_dev(vdev->drm.dev), PCI_D3hot);
 591 err_xa_destroy:
 592         xa_destroy(&vdev->submitted_jobs_xa);
 593         xa_destroy(&vdev->context_xa);
 594         return ret;
 595 }
 596
 597 static void ivpu_bo_unbind_all_user_contexts(struct ivpu_device *vdev)
 598 {
 599         struct ivpu_file_priv *file_priv;
 600         unsigned long ctx_id;
 601
 602         mutex_lock(&vdev->context_list_lock);
 603
 604         xa_for_each(&vdev->context_xa, ctx_id, file_priv)
 605                 file_priv_unbind(vdev, file_priv);
 606
 607         mutex_unlock(&vdev->context_list_lock);
 608 }
 609
 610 static void ivpu_dev_fini(struct ivpu_device *vdev)
 611 {
 612         ivpu_pm_disable(vdev);
 613         ivpu_shutdown(vdev);
 614         if (IVPU_WA(d3hot_after_power_off))
 615                 pci_set_power_state(to_pci_dev(vdev->drm.dev), PCI_D3hot);
 616
 617         ivpu_jobs_abort_all(vdev);
 618         ivpu_job_done_consumer_fini(vdev);
 619         ivpu_pm_cancel_recovery(vdev);
 620         ivpu_bo_unbind_all_user_contexts(vdev);
 621
 622         ivpu_ipc_fini(vdev);
 623         ivpu_fw_fini(vdev);
 624         ivpu_mmu_reserved_context_fini(vdev);
 625         ivpu_mmu_global_context_fini(vdev);
 626
 627         drm_WARN_ON(&vdev->drm, !xa_empty(&vdev->submitted_jobs_xa));
 628         xa_destroy(&vdev->submitted_jobs_xa);
 629         drm_WARN_ON(&vdev->drm, !xa_empty(&vdev->context_xa));
 630         xa_destroy(&vdev->context_xa);
 631 }
 632
 633 static struct pci_device_id ivpu_pci_ids[] = {
 634         { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_MTL) },
 635         { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_ARL) },
 636         { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_LNL) },
 637         { }
 638 };
 639 MODULE_DEVICE_TABLE(pci, ivpu_pci_ids);
 640
 641 static int ivpu_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 642 {
 643         struct ivpu_device *vdev;
 644         int ret;
 645
 646         vdev = devm_drm_dev_alloc(&pdev->dev, &driver, struct ivpu_device, drm);
 647         if (IS_ERR(vdev))
 648                 return PTR_ERR(vdev);
 649
 650         pci_set_drvdata(pdev, vdev);
 651
 652         ret = ivpu_dev_init(vdev);
 653         if (ret)
 654                 return ret;
 655
 656         ivpu_debugfs_init(vdev);
 657
 658         ret = drm_dev_register(&vdev->drm, 0);
 659         if (ret) {
 660                 dev_err(&pdev->dev, "Failed to register DRM device: %d\n", ret);
 661                 ivpu_dev_fini(vdev);
 662         }
 663
 664         return ret;
 665 }
 666
 667 static void ivpu_remove(struct pci_dev *pdev)
 668 {
 669         struct ivpu_device *vdev = pci_get_drvdata(pdev);
 670
 671         drm_dev_unplug(&vdev->drm);
 672         ivpu_dev_fini(vdev);
 673 }
 674
 675 static const struct dev_pm_ops ivpu_drv_pci_pm = {
 676         SET_SYSTEM_SLEEP_PM_OPS(ivpu_pm_suspend_cb, ivpu_pm_resume_cb)
 677         SET_RUNTIME_PM_OPS(ivpu_pm_runtime_suspend_cb, ivpu_pm_runtime_resume_cb, NULL)
 678 };
 679
 680 static const struct pci_error_handlers ivpu_drv_pci_err = {
 681         .reset_prepare = ivpu_pm_reset_prepare_cb,
 682         .reset_done = ivpu_pm_reset_done_cb,
 683 };
 684
 685 static struct pci_driver ivpu_pci_driver = {
 686         .name = KBUILD_MODNAME,
 687         .id_table = ivpu_pci_ids,
 688         .probe = ivpu_probe,
 689         .remove = ivpu_remove,
 690         .driver = {
 691                 .pm = &ivpu_drv_pci_pm,
 692         },
 693         .err_handler = &ivpu_drv_pci_err,
 694 };
 695
 696 module_pci_driver(ivpu_pci_driver);
 697
 698 MODULE_AUTHOR("Intel Corporation");
 699 MODULE_DESCRIPTION(DRIVER_DESC);
 700 MODULE_LICENSE("GPL and additional rights");
 701 MODULE_VERSION(DRIVER_VERSION_STR);