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