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