drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c

   1 /*
   2  * Copyright 2008 Advanced Micro Devices, Inc.
   3  * Copyright 2008 Red Hat Inc.
   4  * Copyright 2009 Jerome Glisse.
   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: Dave Airlie
  25  *          Alex Deucher
  26  *          Jerome Glisse
  27  */
  28
  29 #include "amdgpu.h"
  30 #include <drm/amdgpu_drm.h>
  31 #include <drm/drm_drv.h>
  32 #include "amdgpu_uvd.h"
  33 #include "amdgpu_vce.h"
  34 #include "atom.h"
  35
  36 #include <linux/vga_switcheroo.h>
  37 #include <linux/slab.h>
  38 #include <linux/uaccess.h>
  39 #include <linux/pci.h>
  40 #include <linux/pm_runtime.h>
  41 #include "amdgpu_amdkfd.h"
  42 #include "amdgpu_gem.h"
  43 #include "amdgpu_display.h"
  44 #include "amdgpu_ras.h"
  45
  46 void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev)
  47 {
  48         struct amdgpu_gpu_instance *gpu_instance;
  49         int i;
  50
  51         mutex_lock(&mgpu_info.mutex);
  52
  53         for (i = 0; i < mgpu_info.num_gpu; i++) {
  54                 gpu_instance = &(mgpu_info.gpu_ins[i]);
  55                 if (gpu_instance->adev == adev) {
  56                         mgpu_info.gpu_ins[i] =
  57                                 mgpu_info.gpu_ins[mgpu_info.num_gpu - 1];
  58                         mgpu_info.num_gpu--;
  59                         if (adev->flags & AMD_IS_APU)
  60                                 mgpu_info.num_apu--;
  61                         else
  62                                 mgpu_info.num_dgpu--;
  63                         break;
  64                 }
  65         }
  66
  67         mutex_unlock(&mgpu_info.mutex);
  68 }
  69
  70 /**
  71  * amdgpu_driver_unload_kms - Main unload function for KMS.
  72  *
  73  * @dev: drm dev pointer
  74  *
  75  * This is the main unload function for KMS (all asics).
  76  * Returns 0 on success.
  77  */
  78 void amdgpu_driver_unload_kms(struct drm_device *dev)
  79 {
  80         struct amdgpu_device *adev = drm_to_adev(dev);
  81
  82         if (adev == NULL)
  83                 return;
  84
  85         amdgpu_unregister_gpu_instance(adev);
  86
  87         if (adev->rmmio == NULL)
  88                 return;
  89
  90         if (adev->runpm) {
  91                 pm_runtime_get_sync(dev->dev);
  92                 pm_runtime_forbid(dev->dev);
  93         }
  94
  95         if (amdgpu_acpi_smart_shift_update(dev, AMDGPU_SS_DRV_UNLOAD))
  96                 DRM_WARN("smart shift update failed\n");
  97
  98         amdgpu_acpi_fini(adev);
  99         amdgpu_device_fini_hw(adev);
 100 }
 101
 102 void amdgpu_register_gpu_instance(struct amdgpu_device *adev)
 103 {
 104         struct amdgpu_gpu_instance *gpu_instance;
 105
 106         mutex_lock(&mgpu_info.mutex);
 107
 108         if (mgpu_info.num_gpu >= MAX_GPU_INSTANCE) {
 109                 DRM_ERROR("Cannot register more gpu instance\n");
 110                 mutex_unlock(&mgpu_info.mutex);
 111                 return;
 112         }
 113
 114         gpu_instance = &(mgpu_info.gpu_ins[mgpu_info.num_gpu]);
 115         gpu_instance->adev = adev;
 116         gpu_instance->mgpu_fan_enabled = 0;
 117
 118         mgpu_info.num_gpu++;
 119         if (adev->flags & AMD_IS_APU)
 120                 mgpu_info.num_apu++;
 121         else
 122                 mgpu_info.num_dgpu++;
 123
 124         mutex_unlock(&mgpu_info.mutex);
 125 }
 126
 127 static void amdgpu_get_audio_func(struct amdgpu_device *adev)
 128 {
 129         struct pci_dev *p = NULL;
 130
 131         p = pci_get_domain_bus_and_slot(pci_domain_nr(adev->pdev->bus),
 132                         adev->pdev->bus->number, 1);
 133         if (p) {
 134                 pm_runtime_get_sync(&p->dev);
 135
 136                 pm_runtime_mark_last_busy(&p->dev);
 137                 pm_runtime_put_autosuspend(&p->dev);
 138
 139                 pci_dev_put(p);
 140         }
 141 }
 142
 143 /**
 144  * amdgpu_driver_load_kms - Main load function for KMS.
 145  *
 146  * @adev: pointer to struct amdgpu_device
 147  * @flags: device flags
 148  *
 149  * This is the main load function for KMS (all asics).
 150  * Returns 0 on success, error on failure.
 151  */
 152 int amdgpu_driver_load_kms(struct amdgpu_device *adev, unsigned long flags)
 153 {
 154         struct drm_device *dev;
 155         struct pci_dev *parent;
 156         int r, acpi_status;
 157
 158         dev = adev_to_drm(adev);
 159
 160         if (amdgpu_has_atpx() &&
 161             (amdgpu_is_atpx_hybrid() ||
 162              amdgpu_has_atpx_dgpu_power_cntl()) &&
 163             ((flags & AMD_IS_APU) == 0) &&
 164             !pci_is_thunderbolt_attached(to_pci_dev(dev->dev)))
 165                 flags |= AMD_IS_PX;
 166
 167         parent = pci_upstream_bridge(adev->pdev);
 168         adev->has_pr3 = parent ? pci_pr3_present(parent) : false;
 169
 170         /* amdgpu_device_init should report only fatal error
 171          * like memory allocation failure or iomapping failure,
 172          * or memory manager initialization failure, it must
 173          * properly initialize the GPU MC controller and permit
 174          * VRAM allocation
 175          */
 176         r = amdgpu_device_init(adev, flags);
 177         if (r) {
 178                 dev_err(dev->dev, "Fatal error during GPU init\n");
 179                 goto out;
 180         }
 181
 182         if (amdgpu_device_supports_px(dev) &&
 183             (amdgpu_runtime_pm != 0)) { /* enable runpm by default for atpx */
 184                 adev->runpm = true;
 185                 dev_info(adev->dev, "Using ATPX for runtime pm\n");
 186         } else if (amdgpu_device_supports_boco(dev) &&
 187                    (amdgpu_runtime_pm != 0)) { /* enable runpm by default for boco */
 188                 adev->runpm = true;
 189                 dev_info(adev->dev, "Using BOCO for runtime pm\n");
 190         } else if (amdgpu_device_supports_baco(dev) &&
 191                    (amdgpu_runtime_pm != 0)) {
 192                 switch (adev->asic_type) {
 193                 case CHIP_VEGA20:
 194                 case CHIP_ARCTURUS:
 195                         /* enable runpm if runpm=1 */
 196                         if (amdgpu_runtime_pm > 0)
 197                                 adev->runpm = true;
 198                         break;
 199                 case CHIP_VEGA10:
 200                         /* turn runpm on if noretry=0 */
 201                         if (!adev->gmc.noretry)
 202                                 adev->runpm = true;
 203                         break;
 204                 default:
 205                         /* enable runpm on CI+ */
 206                         adev->runpm = true;
 207                         break;
 208                 }
 209                 if (adev->runpm)
 210                         dev_info(adev->dev, "Using BACO for runtime pm\n");
 211         }
 212
 213         /* Call ACPI methods: require modeset init
 214          * but failure is not fatal
 215          */
 216
 217         acpi_status = amdgpu_acpi_init(adev);
 218         if (acpi_status)
 219                 dev_dbg(dev->dev, "Error during ACPI methods call\n");
 220
 221         if (adev->runpm) {
 222                 /* only need to skip on ATPX */
 223                 if (amdgpu_device_supports_px(dev))
 224                         dev_pm_set_driver_flags(dev->dev, DPM_FLAG_NO_DIRECT_COMPLETE);
 225                 /* we want direct complete for BOCO */
 226                 if (amdgpu_device_supports_boco(dev))
 227                         dev_pm_set_driver_flags(dev->dev, DPM_FLAG_SMART_PREPARE |
 228                                                 DPM_FLAG_SMART_SUSPEND |
 229                                                 DPM_FLAG_MAY_SKIP_RESUME);
 230                 pm_runtime_use_autosuspend(dev->dev);
 231                 pm_runtime_set_autosuspend_delay(dev->dev, 5000);
 232
 233                 pm_runtime_allow(dev->dev);
 234
 235                 pm_runtime_mark_last_busy(dev->dev);
 236                 pm_runtime_put_autosuspend(dev->dev);
 237
 238                 /*
 239                  * For runpm implemented via BACO, PMFW will handle the
 240                  * timing for BACO in and out:
 241                  *   - put ASIC into BACO state only when both video and
 242                  *     audio functions are in D3 state.
 243                  *   - pull ASIC out of BACO state when either video or
 244                  *     audio function is in D0 state.
 245                  * Also, at startup, PMFW assumes both functions are in
 246                  * D0 state.
 247                  *
 248                  * So if snd driver was loaded prior to amdgpu driver
 249                  * and audio function was put into D3 state, there will
 250                  * be no PMFW-aware D-state transition(D0->D3) on runpm
 251                  * suspend. Thus the BACO will be not correctly kicked in.
 252                  *
 253                  * Via amdgpu_get_audio_func(), the audio dev is put
 254                  * into D0 state. Then there will be a PMFW-aware D-state
 255                  * transition(D0->D3) on runpm suspend.
 256                  */
 257                 if (amdgpu_device_supports_baco(dev) &&
 258                     !(adev->flags & AMD_IS_APU) &&
 259                     (adev->asic_type >= CHIP_NAVI10))
 260                         amdgpu_get_audio_func(adev);
 261         }
 262
 263         if (amdgpu_acpi_smart_shift_update(dev, AMDGPU_SS_DRV_LOAD))
 264                 DRM_WARN("smart shift update failed\n");
 265
 266 out:
 267         if (r) {
 268                 /* balance pm_runtime_get_sync in amdgpu_driver_unload_kms */
 269                 if (adev->rmmio && adev->runpm)
 270                         pm_runtime_put_noidle(dev->dev);
 271                 amdgpu_driver_unload_kms(dev);
 272         }
 273
 274         return r;
 275 }
 276
 277 static int amdgpu_firmware_info(struct drm_amdgpu_info_firmware *fw_info,
 278                                 struct drm_amdgpu_query_fw *query_fw,
 279                                 struct amdgpu_device *adev)
 280 {
 281         switch (query_fw->fw_type) {
 282         case AMDGPU_INFO_FW_VCE:
 283                 fw_info->ver = adev->vce.fw_version;
 284                 fw_info->feature = adev->vce.fb_version;
 285                 break;
 286         case AMDGPU_INFO_FW_UVD:
 287                 fw_info->ver = adev->uvd.fw_version;
 288                 fw_info->feature = 0;
 289                 break;
 290         case AMDGPU_INFO_FW_VCN:
 291                 fw_info->ver = adev->vcn.fw_version;
 292                 fw_info->feature = 0;
 293                 break;
 294         case AMDGPU_INFO_FW_GMC:
 295                 fw_info->ver = adev->gmc.fw_version;
 296                 fw_info->feature = 0;
 297                 break;
 298         case AMDGPU_INFO_FW_GFX_ME:
 299                 fw_info->ver = adev->gfx.me_fw_version;
 300                 fw_info->feature = adev->gfx.me_feature_version;
 301                 break;
 302         case AMDGPU_INFO_FW_GFX_PFP:
 303                 fw_info->ver = adev->gfx.pfp_fw_version;
 304                 fw_info->feature = adev->gfx.pfp_feature_version;
 305                 break;
 306         case AMDGPU_INFO_FW_GFX_CE:
 307                 fw_info->ver = adev->gfx.ce_fw_version;
 308                 fw_info->feature = adev->gfx.ce_feature_version;
 309                 break;
 310         case AMDGPU_INFO_FW_GFX_RLC:
 311                 fw_info->ver = adev->gfx.rlc_fw_version;
 312                 fw_info->feature = adev->gfx.rlc_feature_version;
 313                 break;
 314         case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL:
 315                 fw_info->ver = adev->gfx.rlc_srlc_fw_version;
 316                 fw_info->feature = adev->gfx.rlc_srlc_feature_version;
 317                 break;
 318         case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM:
 319                 fw_info->ver = adev->gfx.rlc_srlg_fw_version;
 320                 fw_info->feature = adev->gfx.rlc_srlg_feature_version;
 321                 break;
 322         case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM:
 323                 fw_info->ver = adev->gfx.rlc_srls_fw_version;
 324                 fw_info->feature = adev->gfx.rlc_srls_feature_version;
 325                 break;
 326         case AMDGPU_INFO_FW_GFX_MEC:
 327                 if (query_fw->index == 0) {
 328                         fw_info->ver = adev->gfx.mec_fw_version;
 329                         fw_info->feature = adev->gfx.mec_feature_version;
 330                 } else if (query_fw->index == 1) {
 331                         fw_info->ver = adev->gfx.mec2_fw_version;
 332                         fw_info->feature = adev->gfx.mec2_feature_version;
 333                 } else
 334                         return -EINVAL;
 335                 break;
 336         case AMDGPU_INFO_FW_SMC:
 337                 fw_info->ver = adev->pm.fw_version;
 338                 fw_info->feature = 0;
 339                 break;
 340         case AMDGPU_INFO_FW_TA:
 341                 switch (query_fw->index) {
 342                 case TA_FW_TYPE_PSP_XGMI:
 343                         fw_info->ver = adev->psp.ta_fw_version;
 344                         fw_info->feature = adev->psp.xgmi.feature_version;
 345                         break;
 346                 case TA_FW_TYPE_PSP_RAS:
 347                         fw_info->ver = adev->psp.ta_fw_version;
 348                         fw_info->feature = adev->psp.ras.feature_version;
 349                         break;
 350                 case TA_FW_TYPE_PSP_HDCP:
 351                         fw_info->ver = adev->psp.ta_fw_version;
 352                         fw_info->feature = adev->psp.hdcp.feature_version;
 353                         break;
 354                 case TA_FW_TYPE_PSP_DTM:
 355                         fw_info->ver = adev->psp.ta_fw_version;
 356                         fw_info->feature = adev->psp.dtm.feature_version;
 357                         break;
 358                 case TA_FW_TYPE_PSP_RAP:
 359                         fw_info->ver = adev->psp.ta_fw_version;
 360                         fw_info->feature = adev->psp.rap.feature_version;
 361                         break;
 362                 case TA_FW_TYPE_PSP_SECUREDISPLAY:
 363                         fw_info->ver = adev->psp.ta_fw_version;
 364                         fw_info->feature = adev->psp.securedisplay.feature_version;
 365                         break;
 366                 default:
 367                         return -EINVAL;
 368                 }
 369                 break;
 370         case AMDGPU_INFO_FW_SDMA:
 371                 if (query_fw->index >= adev->sdma.num_instances)
 372                         return -EINVAL;
 373                 fw_info->ver = adev->sdma.instance[query_fw->index].fw_version;
 374                 fw_info->feature = adev->sdma.instance[query_fw->index].feature_version;
 375                 break;
 376         case AMDGPU_INFO_FW_SOS:
 377                 fw_info->ver = adev->psp.sos.fw_version;
 378                 fw_info->feature = adev->psp.sos.feature_version;
 379                 break;
 380         case AMDGPU_INFO_FW_ASD:
 381                 fw_info->ver = adev->psp.asd.fw_version;
 382                 fw_info->feature = adev->psp.asd.feature_version;
 383                 break;
 384         case AMDGPU_INFO_FW_DMCU:
 385                 fw_info->ver = adev->dm.dmcu_fw_version;
 386                 fw_info->feature = 0;
 387                 break;
 388         case AMDGPU_INFO_FW_DMCUB:
 389                 fw_info->ver = adev->dm.dmcub_fw_version;
 390                 fw_info->feature = 0;
 391                 break;
 392         case AMDGPU_INFO_FW_TOC:
 393                 fw_info->ver = adev->psp.toc.fw_version;
 394                 fw_info->feature = adev->psp.toc.feature_version;
 395                 break;
 396         default:
 397                 return -EINVAL;
 398         }
 399         return 0;
 400 }
 401
 402 static int amdgpu_hw_ip_info(struct amdgpu_device *adev,
 403                              struct drm_amdgpu_info *info,
 404                              struct drm_amdgpu_info_hw_ip *result)
 405 {
 406         uint32_t ib_start_alignment = 0;
 407         uint32_t ib_size_alignment = 0;
 408         enum amd_ip_block_type type;
 409         unsigned int num_rings = 0;
 410         unsigned int i, j;
 411
 412         if (info->query_hw_ip.ip_instance >= AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
 413                 return -EINVAL;
 414
 415         switch (info->query_hw_ip.type) {
 416         case AMDGPU_HW_IP_GFX:
 417                 type = AMD_IP_BLOCK_TYPE_GFX;
 418                 for (i = 0; i < adev->gfx.num_gfx_rings; i++)
 419                         if (adev->gfx.gfx_ring[i].sched.ready)
 420                                 ++num_rings;
 421                 ib_start_alignment = 32;
 422                 ib_size_alignment = 32;
 423                 break;
 424         case AMDGPU_HW_IP_COMPUTE:
 425                 type = AMD_IP_BLOCK_TYPE_GFX;
 426                 for (i = 0; i < adev->gfx.num_compute_rings; i++)
 427                         if (adev->gfx.compute_ring[i].sched.ready)
 428                                 ++num_rings;
 429                 ib_start_alignment = 32;
 430                 ib_size_alignment = 32;
 431                 break;
 432         case AMDGPU_HW_IP_DMA:
 433                 type = AMD_IP_BLOCK_TYPE_SDMA;
 434                 for (i = 0; i < adev->sdma.num_instances; i++)
 435                         if (adev->sdma.instance[i].ring.sched.ready)
 436                                 ++num_rings;
 437                 ib_start_alignment = 256;
 438                 ib_size_alignment = 4;
 439                 break;
 440         case AMDGPU_HW_IP_UVD:
 441                 type = AMD_IP_BLOCK_TYPE_UVD;
 442                 for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
 443                         if (adev->uvd.harvest_config & (1 << i))
 444                                 continue;
 445
 446                         if (adev->uvd.inst[i].ring.sched.ready)
 447                                 ++num_rings;
 448                 }
 449                 ib_start_alignment = 64;
 450                 ib_size_alignment = 64;
 451                 break;
 452         case AMDGPU_HW_IP_VCE:
 453                 type = AMD_IP_BLOCK_TYPE_VCE;
 454                 for (i = 0; i < adev->vce.num_rings; i++)
 455                         if (adev->vce.ring[i].sched.ready)
 456                                 ++num_rings;
 457                 ib_start_alignment = 4;
 458                 ib_size_alignment = 1;
 459                 break;
 460         case AMDGPU_HW_IP_UVD_ENC:
 461                 type = AMD_IP_BLOCK_TYPE_UVD;
 462                 for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
 463                         if (adev->uvd.harvest_config & (1 << i))
 464                                 continue;
 465
 466                         for (j = 0; j < adev->uvd.num_enc_rings; j++)
 467                                 if (adev->uvd.inst[i].ring_enc[j].sched.ready)
 468                                         ++num_rings;
 469                 }
 470                 ib_start_alignment = 64;
 471                 ib_size_alignment = 64;
 472                 break;
 473         case AMDGPU_HW_IP_VCN_DEC:
 474                 type = AMD_IP_BLOCK_TYPE_VCN;
 475                 for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
 476                         if (adev->uvd.harvest_config & (1 << i))
 477                                 continue;
 478
 479                         if (adev->vcn.inst[i].ring_dec.sched.ready)
 480                                 ++num_rings;
 481                 }
 482                 ib_start_alignment = 16;
 483                 ib_size_alignment = 16;
 484                 break;
 485         case AMDGPU_HW_IP_VCN_ENC:
 486                 type = AMD_IP_BLOCK_TYPE_VCN;
 487                 for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
 488                         if (adev->uvd.harvest_config & (1 << i))
 489                                 continue;
 490
 491                         for (j = 0; j < adev->vcn.num_enc_rings; j++)
 492                                 if (adev->vcn.inst[i].ring_enc[j].sched.ready)
 493                                         ++num_rings;
 494                 }
 495                 ib_start_alignment = 64;
 496                 ib_size_alignment = 1;
 497                 break;
 498         case AMDGPU_HW_IP_VCN_JPEG:
 499                 type = (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_JPEG)) ?
 500                         AMD_IP_BLOCK_TYPE_JPEG : AMD_IP_BLOCK_TYPE_VCN;
 501
 502                 for (i = 0; i < adev->jpeg.num_jpeg_inst; i++) {
 503                         if (adev->jpeg.harvest_config & (1 << i))
 504                                 continue;
 505
 506                         if (adev->jpeg.inst[i].ring_dec.sched.ready)
 507                                 ++num_rings;
 508                 }
 509                 ib_start_alignment = 16;
 510                 ib_size_alignment = 16;
 511                 break;
 512         default:
 513                 return -EINVAL;
 514         }
 515
 516         for (i = 0; i < adev->num_ip_blocks; i++)
 517                 if (adev->ip_blocks[i].version->type == type &&
 518                     adev->ip_blocks[i].status.valid)
 519                         break;
 520
 521         if (i == adev->num_ip_blocks)
 522                 return 0;
 523
 524         num_rings = min(amdgpu_ctx_num_entities[info->query_hw_ip.type],
 525                         num_rings);
 526
 527         result->hw_ip_version_major = adev->ip_blocks[i].version->major;
 528         result->hw_ip_version_minor = adev->ip_blocks[i].version->minor;
 529         result->capabilities_flags = 0;
 530         result->available_rings = (1 << num_rings) - 1;
 531         result->ib_start_alignment = ib_start_alignment;
 532         result->ib_size_alignment = ib_size_alignment;
 533         return 0;
 534 }
 535
 536 /*
 537  * Userspace get information ioctl
 538  */
 539 /**
 540  * amdgpu_info_ioctl - answer a device specific request.
 541  *
 542  * @dev: drm device pointer
 543  * @data: request object
 544  * @filp: drm filp
 545  *
 546  * This function is used to pass device specific parameters to the userspace
 547  * drivers.  Examples include: pci device id, pipeline parms, tiling params,
 548  * etc. (all asics).
 549  * Returns 0 on success, -EINVAL on failure.
 550  */
 551 int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
 552 {
 553         struct amdgpu_device *adev = drm_to_adev(dev);
 554         struct drm_amdgpu_info *info = data;
 555         struct amdgpu_mode_info *minfo = &adev->mode_info;
 556         void __user *out = (void __user *)(uintptr_t)info->return_pointer;
 557         uint32_t size = info->return_size;
 558         struct drm_crtc *crtc;
 559         uint32_t ui32 = 0;
 560         uint64_t ui64 = 0;
 561         int i, found;
 562         int ui32_size = sizeof(ui32);
 563
 564         if (!info->return_size || !info->return_pointer)
 565                 return -EINVAL;
 566
 567         switch (info->query) {
 568         case AMDGPU_INFO_ACCEL_WORKING:
 569                 ui32 = adev->accel_working;
 570                 return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
 571         case AMDGPU_INFO_CRTC_FROM_ID:
 572                 for (i = 0, found = 0; i < adev->mode_info.num_crtc; i++) {
 573                         crtc = (struct drm_crtc *)minfo->crtcs[i];
 574                         if (crtc && crtc->base.id == info->mode_crtc.id) {
 575                                 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
 576                                 ui32 = amdgpu_crtc->crtc_id;
 577                                 found = 1;
 578                                 break;
 579                         }
 580                 }
 581                 if (!found) {
 582                         DRM_DEBUG_KMS("unknown crtc id %d\n", info->mode_crtc.id);
 583                         return -EINVAL;
 584                 }
 585                 return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
 586         case AMDGPU_INFO_HW_IP_INFO: {
 587                 struct drm_amdgpu_info_hw_ip ip = {};
 588                 int ret;
 589
 590                 ret = amdgpu_hw_ip_info(adev, info, &ip);
 591                 if (ret)
 592                         return ret;
 593
 594                 ret = copy_to_user(out, &ip, min((size_t)size, sizeof(ip)));
 595                 return ret ? -EFAULT : 0;
 596         }
 597         case AMDGPU_INFO_HW_IP_COUNT: {
 598                 enum amd_ip_block_type type;
 599                 uint32_t count = 0;
 600
 601                 switch (info->query_hw_ip.type) {
 602                 case AMDGPU_HW_IP_GFX:
 603                         type = AMD_IP_BLOCK_TYPE_GFX;
 604                         break;
 605                 case AMDGPU_HW_IP_COMPUTE:
 606                         type = AMD_IP_BLOCK_TYPE_GFX;
 607                         break;
 608                 case AMDGPU_HW_IP_DMA:
 609                         type = AMD_IP_BLOCK_TYPE_SDMA;
 610                         break;
 611                 case AMDGPU_HW_IP_UVD:
 612                         type = AMD_IP_BLOCK_TYPE_UVD;
 613                         break;
 614                 case AMDGPU_HW_IP_VCE:
 615                         type = AMD_IP_BLOCK_TYPE_VCE;
 616                         break;
 617                 case AMDGPU_HW_IP_UVD_ENC:
 618                         type = AMD_IP_BLOCK_TYPE_UVD;
 619                         break;
 620                 case AMDGPU_HW_IP_VCN_DEC:
 621                 case AMDGPU_HW_IP_VCN_ENC:
 622                         type = AMD_IP_BLOCK_TYPE_VCN;
 623                         break;
 624                 case AMDGPU_HW_IP_VCN_JPEG:
 625                         type = (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_JPEG)) ?
 626                                 AMD_IP_BLOCK_TYPE_JPEG : AMD_IP_BLOCK_TYPE_VCN;
 627                         break;
 628                 default:
 629                         return -EINVAL;
 630                 }
 631
 632                 for (i = 0; i < adev->num_ip_blocks; i++)
 633                         if (adev->ip_blocks[i].version->type == type &&
 634                             adev->ip_blocks[i].status.valid &&
 635                             count < AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
 636                                 count++;
 637
 638                 return copy_to_user(out, &count, min(size, 4u)) ? -EFAULT : 0;
 639         }
 640         case AMDGPU_INFO_TIMESTAMP:
 641                 ui64 = amdgpu_gfx_get_gpu_clock_counter(adev);
 642                 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
 643         case AMDGPU_INFO_FW_VERSION: {
 644                 struct drm_amdgpu_info_firmware fw_info;
 645                 int ret;
 646
 647                 /* We only support one instance of each IP block right now. */
 648                 if (info->query_fw.ip_instance != 0)
 649                         return -EINVAL;
 650
 651                 ret = amdgpu_firmware_info(&fw_info, &info->query_fw, adev);
 652                 if (ret)
 653                         return ret;
 654
 655                 return copy_to_user(out, &fw_info,
 656                                     min((size_t)size, sizeof(fw_info))) ? -EFAULT : 0;
 657         }
 658         case AMDGPU_INFO_NUM_BYTES_MOVED:
 659                 ui64 = atomic64_read(&adev->num_bytes_moved);
 660                 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
 661         case AMDGPU_INFO_NUM_EVICTIONS:
 662                 ui64 = atomic64_read(&adev->num_evictions);
 663                 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
 664         case AMDGPU_INFO_NUM_VRAM_CPU_PAGE_FAULTS:
 665                 ui64 = atomic64_read(&adev->num_vram_cpu_page_faults);
 666                 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
 667         case AMDGPU_INFO_VRAM_USAGE:
 668                 ui64 = amdgpu_vram_mgr_usage(ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM));
 669                 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
 670         case AMDGPU_INFO_VIS_VRAM_USAGE:
 671                 ui64 = amdgpu_vram_mgr_vis_usage(ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM));
 672                 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
 673         case AMDGPU_INFO_GTT_USAGE:
 674                 ui64 = amdgpu_gtt_mgr_usage(ttm_manager_type(&adev->mman.bdev, TTM_PL_TT));
 675                 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
 676         case AMDGPU_INFO_GDS_CONFIG: {
 677                 struct drm_amdgpu_info_gds gds_info;
 678
 679                 memset(&gds_info, 0, sizeof(gds_info));
 680                 gds_info.compute_partition_size = adev->gds.gds_size;
 681                 gds_info.gds_total_size = adev->gds.gds_size;
 682                 gds_info.gws_per_compute_partition = adev->gds.gws_size;
 683                 gds_info.oa_per_compute_partition = adev->gds.oa_size;
 684                 return copy_to_user(out, &gds_info,
 685                                     min((size_t)size, sizeof(gds_info))) ? -EFAULT : 0;
 686         }
 687         case AMDGPU_INFO_VRAM_GTT: {
 688                 struct drm_amdgpu_info_vram_gtt vram_gtt;
 689
 690                 vram_gtt.vram_size = adev->gmc.real_vram_size -
 691                         atomic64_read(&adev->vram_pin_size) -
 692                         AMDGPU_VM_RESERVED_VRAM;
 693                 vram_gtt.vram_cpu_accessible_size =
 694                         min(adev->gmc.visible_vram_size -
 695                             atomic64_read(&adev->visible_pin_size),
 696                             vram_gtt.vram_size);
 697                 vram_gtt.gtt_size = ttm_manager_type(&adev->mman.bdev, TTM_PL_TT)->size;
 698                 vram_gtt.gtt_size *= PAGE_SIZE;
 699                 vram_gtt.gtt_size -= atomic64_read(&adev->gart_pin_size);
 700                 return copy_to_user(out, &vram_gtt,
 701                                     min((size_t)size, sizeof(vram_gtt))) ? -EFAULT : 0;
 702         }
 703         case AMDGPU_INFO_MEMORY: {
 704                 struct drm_amdgpu_memory_info mem;
 705                 struct ttm_resource_manager *vram_man =
 706                         ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM);
 707                 struct ttm_resource_manager *gtt_man =
 708                         ttm_manager_type(&adev->mman.bdev, TTM_PL_TT);
 709                 memset(&mem, 0, sizeof(mem));
 710                 mem.vram.total_heap_size = adev->gmc.real_vram_size;
 711                 mem.vram.usable_heap_size = adev->gmc.real_vram_size -
 712                         atomic64_read(&adev->vram_pin_size) -
 713                         AMDGPU_VM_RESERVED_VRAM;
 714                 mem.vram.heap_usage =
 715                         amdgpu_vram_mgr_usage(vram_man);
 716                 mem.vram.max_allocation = mem.vram.usable_heap_size * 3 / 4;
 717
 718                 mem.cpu_accessible_vram.total_heap_size =
 719                         adev->gmc.visible_vram_size;
 720                 mem.cpu_accessible_vram.usable_heap_size =
 721                         min(adev->gmc.visible_vram_size -
 722                             atomic64_read(&adev->visible_pin_size),
 723                             mem.vram.usable_heap_size);
 724                 mem.cpu_accessible_vram.heap_usage =
 725                         amdgpu_vram_mgr_vis_usage(vram_man);
 726                 mem.cpu_accessible_vram.max_allocation =
 727                         mem.cpu_accessible_vram.usable_heap_size * 3 / 4;
 728
 729                 mem.gtt.total_heap_size = gtt_man->size;
 730                 mem.gtt.total_heap_size *= PAGE_SIZE;
 731                 mem.gtt.usable_heap_size = mem.gtt.total_heap_size -
 732                         atomic64_read(&adev->gart_pin_size);
 733                 mem.gtt.heap_usage =
 734                         amdgpu_gtt_mgr_usage(gtt_man);
 735                 mem.gtt.max_allocation = mem.gtt.usable_heap_size * 3 / 4;
 736
 737                 return copy_to_user(out, &mem,
 738                                     min((size_t)size, sizeof(mem)))
 739                                     ? -EFAULT : 0;
 740         }
 741         case AMDGPU_INFO_READ_MMR_REG: {
 742                 unsigned n, alloc_size;
 743                 uint32_t *regs;
 744                 unsigned se_num = (info->read_mmr_reg.instance >>
 745                                    AMDGPU_INFO_MMR_SE_INDEX_SHIFT) &
 746                                   AMDGPU_INFO_MMR_SE_INDEX_MASK;
 747                 unsigned sh_num = (info->read_mmr_reg.instance >>
 748                                    AMDGPU_INFO_MMR_SH_INDEX_SHIFT) &
 749                                   AMDGPU_INFO_MMR_SH_INDEX_MASK;
 750
 751                 /* set full masks if the userspace set all bits
 752                  * in the bitfields */
 753                 if (se_num == AMDGPU_INFO_MMR_SE_INDEX_MASK)
 754                         se_num = 0xffffffff;
 755                 else if (se_num >= AMDGPU_GFX_MAX_SE)
 756                         return -EINVAL;
 757                 if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK)
 758                         sh_num = 0xffffffff;
 759                 else if (sh_num >= AMDGPU_GFX_MAX_SH_PER_SE)
 760                         return -EINVAL;
 761
 762                 if (info->read_mmr_reg.count > 128)
 763                         return -EINVAL;
 764
 765                 regs = kmalloc_array(info->read_mmr_reg.count, sizeof(*regs), GFP_KERNEL);
 766                 if (!regs)
 767                         return -ENOMEM;
 768                 alloc_size = info->read_mmr_reg.count * sizeof(*regs);
 769
 770                 amdgpu_gfx_off_ctrl(adev, false);
 771                 for (i = 0; i < info->read_mmr_reg.count; i++) {
 772                         if (amdgpu_asic_read_register(adev, se_num, sh_num,
 773                                                       info->read_mmr_reg.dword_offset + i,
 774                                                       &regs[i])) {
 775                                 DRM_DEBUG_KMS("unallowed offset %#x\n",
 776                                               info->read_mmr_reg.dword_offset + i);
 777                                 kfree(regs);
 778                                 amdgpu_gfx_off_ctrl(adev, true);
 779                                 return -EFAULT;
 780                         }
 781                 }
 782                 amdgpu_gfx_off_ctrl(adev, true);
 783                 n = copy_to_user(out, regs, min(size, alloc_size));
 784                 kfree(regs);
 785                 return n ? -EFAULT : 0;
 786         }
 787         case AMDGPU_INFO_DEV_INFO: {
 788                 struct drm_amdgpu_info_device *dev_info;
 789                 uint64_t vm_size;
 790                 int ret;
 791
 792                 dev_info = kzalloc(sizeof(*dev_info), GFP_KERNEL);
 793                 if (!dev_info)
 794                         return -ENOMEM;
 795
 796                 dev_info->device_id = adev->pdev->device;
 797                 dev_info->chip_rev = adev->rev_id;
 798                 dev_info->external_rev = adev->external_rev_id;
 799                 dev_info->pci_rev = adev->pdev->revision;
 800                 dev_info->family = adev->family;
 801                 dev_info->num_shader_engines = adev->gfx.config.max_shader_engines;
 802                 dev_info->num_shader_arrays_per_engine = adev->gfx.config.max_sh_per_se;
 803                 /* return all clocks in KHz */
 804                 dev_info->gpu_counter_freq = amdgpu_asic_get_xclk(adev) * 10;
 805                 if (adev->pm.dpm_enabled) {
 806                         dev_info->max_engine_clock = amdgpu_dpm_get_sclk(adev, false) * 10;
 807                         dev_info->max_memory_clock = amdgpu_dpm_get_mclk(adev, false) * 10;
 808                 } else {
 809                         dev_info->max_engine_clock = adev->clock.default_sclk * 10;
 810                         dev_info->max_memory_clock = adev->clock.default_mclk * 10;
 811                 }
 812                 dev_info->enabled_rb_pipes_mask = adev->gfx.config.backend_enable_mask;
 813                 dev_info->num_rb_pipes = adev->gfx.config.max_backends_per_se *
 814                         adev->gfx.config.max_shader_engines;
 815                 dev_info->num_hw_gfx_contexts = adev->gfx.config.max_hw_contexts;
 816                 dev_info->_pad = 0;
 817                 dev_info->ids_flags = 0;
 818                 if (adev->flags & AMD_IS_APU)
 819                         dev_info->ids_flags |= AMDGPU_IDS_FLAGS_FUSION;
 820                 if (amdgpu_mcbp || amdgpu_sriov_vf(adev))
 821                         dev_info->ids_flags |= AMDGPU_IDS_FLAGS_PREEMPTION;
 822                 if (amdgpu_is_tmz(adev))
 823                         dev_info->ids_flags |= AMDGPU_IDS_FLAGS_TMZ;
 824
 825                 vm_size = adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE;
 826                 vm_size -= AMDGPU_VA_RESERVED_SIZE;
 827
 828                 /* Older VCE FW versions are buggy and can handle only 40bits */
 829                 if (adev->vce.fw_version &&
 830                     adev->vce.fw_version < AMDGPU_VCE_FW_53_45)
 831                         vm_size = min(vm_size, 1ULL << 40);
 832
 833                 dev_info->virtual_address_offset = AMDGPU_VA_RESERVED_SIZE;
 834                 dev_info->virtual_address_max =
 835                         min(vm_size, AMDGPU_GMC_HOLE_START);
 836
 837                 if (vm_size > AMDGPU_GMC_HOLE_START) {
 838                         dev_info->high_va_offset = AMDGPU_GMC_HOLE_END;
 839                         dev_info->high_va_max = AMDGPU_GMC_HOLE_END | vm_size;
 840                 }
 841                 dev_info->virtual_address_alignment = max_t(u32, PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
 842                 dev_info->pte_fragment_size = (1 << adev->vm_manager.fragment_size) * AMDGPU_GPU_PAGE_SIZE;
 843                 dev_info->gart_page_size = max_t(u32, PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
 844                 dev_info->cu_active_number = adev->gfx.cu_info.number;
 845                 dev_info->cu_ao_mask = adev->gfx.cu_info.ao_cu_mask;
 846                 dev_info->ce_ram_size = adev->gfx.ce_ram_size;
 847                 memcpy(&dev_info->cu_ao_bitmap[0], &adev->gfx.cu_info.ao_cu_bitmap[0],
 848                        sizeof(adev->gfx.cu_info.ao_cu_bitmap));
 849                 memcpy(&dev_info->cu_bitmap[0], &adev->gfx.cu_info.bitmap[0],
 850                        sizeof(adev->gfx.cu_info.bitmap));
 851                 dev_info->vram_type = adev->gmc.vram_type;
 852                 dev_info->vram_bit_width = adev->gmc.vram_width;
 853                 dev_info->vce_harvest_config = adev->vce.harvest_config;
 854                 dev_info->gc_double_offchip_lds_buf =
 855                         adev->gfx.config.double_offchip_lds_buf;
 856                 dev_info->wave_front_size = adev->gfx.cu_info.wave_front_size;
 857                 dev_info->num_shader_visible_vgprs = adev->gfx.config.max_gprs;
 858                 dev_info->num_cu_per_sh = adev->gfx.config.max_cu_per_sh;
 859                 dev_info->num_tcc_blocks = adev->gfx.config.max_texture_channel_caches;
 860                 dev_info->gs_vgt_table_depth = adev->gfx.config.gs_vgt_table_depth;
 861                 dev_info->gs_prim_buffer_depth = adev->gfx.config.gs_prim_buffer_depth;
 862                 dev_info->max_gs_waves_per_vgt = adev->gfx.config.max_gs_threads;
 863
 864                 if (adev->family >= AMDGPU_FAMILY_NV)
 865                         dev_info->pa_sc_tile_steering_override =
 866                                 adev->gfx.config.pa_sc_tile_steering_override;
 867
 868                 dev_info->tcc_disabled_mask = adev->gfx.config.tcc_disabled_mask;
 869
 870                 ret = copy_to_user(out, dev_info,
 871                                    min((size_t)size, sizeof(*dev_info))) ? -EFAULT : 0;
 872                 kfree(dev_info);
 873                 return ret;
 874         }
 875         case AMDGPU_INFO_VCE_CLOCK_TABLE: {
 876                 unsigned i;
 877                 struct drm_amdgpu_info_vce_clock_table vce_clk_table = {};
 878                 struct amd_vce_state *vce_state;
 879
 880                 for (i = 0; i < AMDGPU_VCE_CLOCK_TABLE_ENTRIES; i++) {
 881                         vce_state = amdgpu_dpm_get_vce_clock_state(adev, i);
 882                         if (vce_state) {
 883                                 vce_clk_table.entries[i].sclk = vce_state->sclk;
 884                                 vce_clk_table.entries[i].mclk = vce_state->mclk;
 885                                 vce_clk_table.entries[i].eclk = vce_state->evclk;
 886                                 vce_clk_table.num_valid_entries++;
 887                         }
 888                 }
 889
 890                 return copy_to_user(out, &vce_clk_table,
 891                                     min((size_t)size, sizeof(vce_clk_table))) ? -EFAULT : 0;
 892         }
 893         case AMDGPU_INFO_VBIOS: {
 894                 uint32_t bios_size = adev->bios_size;
 895
 896                 switch (info->vbios_info.type) {
 897                 case AMDGPU_INFO_VBIOS_SIZE:
 898                         return copy_to_user(out, &bios_size,
 899                                         min((size_t)size, sizeof(bios_size)))
 900                                         ? -EFAULT : 0;
 901                 case AMDGPU_INFO_VBIOS_IMAGE: {
 902                         uint8_t *bios;
 903                         uint32_t bios_offset = info->vbios_info.offset;
 904
 905                         if (bios_offset >= bios_size)
 906                                 return -EINVAL;
 907
 908                         bios = adev->bios + bios_offset;
 909                         return copy_to_user(out, bios,
 910                                             min((size_t)size, (size_t)(bios_size - bios_offset)))
 911                                         ? -EFAULT : 0;
 912                 }
 913                 case AMDGPU_INFO_VBIOS_INFO: {
 914                         struct drm_amdgpu_info_vbios vbios_info = {};
 915                         struct atom_context *atom_context;
 916
 917                         atom_context = adev->mode_info.atom_context;
 918                         memcpy(vbios_info.name, atom_context->name, sizeof(atom_context->name));
 919                         memcpy(vbios_info.vbios_pn, atom_context->vbios_pn, sizeof(atom_context->vbios_pn));
 920                         vbios_info.version = atom_context->version;
 921                         memcpy(vbios_info.vbios_ver_str, atom_context->vbios_ver_str,
 922                                                 sizeof(atom_context->vbios_ver_str));
 923                         memcpy(vbios_info.date, atom_context->date, sizeof(atom_context->date));
 924
 925                         return copy_to_user(out, &vbios_info,
 926                                                 min((size_t)size, sizeof(vbios_info))) ? -EFAULT : 0;
 927                 }
 928                 default:
 929                         DRM_DEBUG_KMS("Invalid request %d\n",
 930                                         info->vbios_info.type);
 931                         return -EINVAL;
 932                 }
 933         }
 934         case AMDGPU_INFO_NUM_HANDLES: {
 935                 struct drm_amdgpu_info_num_handles handle;
 936
 937                 switch (info->query_hw_ip.type) {
 938                 case AMDGPU_HW_IP_UVD:
 939                         /* Starting Polaris, we support unlimited UVD handles */
 940                         if (adev->asic_type < CHIP_POLARIS10) {
 941                                 handle.uvd_max_handles = adev->uvd.max_handles;
 942                                 handle.uvd_used_handles = amdgpu_uvd_used_handles(adev);
 943
 944                                 return copy_to_user(out, &handle,
 945                                         min((size_t)size, sizeof(handle))) ? -EFAULT : 0;
 946                         } else {
 947                                 return -ENODATA;
 948                         }
 949
 950                         break;
 951                 default:
 952                         return -EINVAL;
 953                 }
 954         }
 955         case AMDGPU_INFO_SENSOR: {
 956                 if (!adev->pm.dpm_enabled)
 957                         return -ENOENT;
 958
 959                 switch (info->sensor_info.type) {
 960                 case AMDGPU_INFO_SENSOR_GFX_SCLK:
 961                         /* get sclk in Mhz */
 962                         if (amdgpu_dpm_read_sensor(adev,
 963                                                    AMDGPU_PP_SENSOR_GFX_SCLK,
 964                                                    (void *)&ui32, &ui32_size)) {
 965                                 return -EINVAL;
 966                         }
 967                         ui32 /= 100;
 968                         break;
 969                 case AMDGPU_INFO_SENSOR_GFX_MCLK:
 970                         /* get mclk in Mhz */
 971                         if (amdgpu_dpm_read_sensor(adev,
 972                                                    AMDGPU_PP_SENSOR_GFX_MCLK,
 973                                                    (void *)&ui32, &ui32_size)) {
 974                                 return -EINVAL;
 975                         }
 976                         ui32 /= 100;
 977                         break;
 978                 case AMDGPU_INFO_SENSOR_GPU_TEMP:
 979                         /* get temperature in millidegrees C */
 980                         if (amdgpu_dpm_read_sensor(adev,
 981                                                    AMDGPU_PP_SENSOR_GPU_TEMP,
 982                                                    (void *)&ui32, &ui32_size)) {
 983                                 return -EINVAL;
 984                         }
 985                         break;
 986                 case AMDGPU_INFO_SENSOR_GPU_LOAD:
 987                         /* get GPU load */
 988                         if (amdgpu_dpm_read_sensor(adev,
 989                                                    AMDGPU_PP_SENSOR_GPU_LOAD,
 990                                                    (void *)&ui32, &ui32_size)) {
 991                                 return -EINVAL;
 992                         }
 993                         break;
 994                 case AMDGPU_INFO_SENSOR_GPU_AVG_POWER:
 995                         /* get average GPU power */
 996                         if (amdgpu_dpm_read_sensor(adev,
 997                                                    AMDGPU_PP_SENSOR_GPU_POWER,
 998                                                    (void *)&ui32, &ui32_size)) {
 999                                 return -EINVAL;
1000                         }
1001                         ui32 >>= 8;
1002                         break;
1003                 case AMDGPU_INFO_SENSOR_VDDNB:
1004                         /* get VDDNB in millivolts */
1005                         if (amdgpu_dpm_read_sensor(adev,
1006                                                    AMDGPU_PP_SENSOR_VDDNB,
1007                                                    (void *)&ui32, &ui32_size)) {
1008                                 return -EINVAL;
1009                         }
1010                         break;
1011                 case AMDGPU_INFO_SENSOR_VDDGFX:
1012                         /* get VDDGFX in millivolts */
1013                         if (amdgpu_dpm_read_sensor(adev,
1014                                                    AMDGPU_PP_SENSOR_VDDGFX,
1015                                                    (void *)&ui32, &ui32_size)) {
1016                                 return -EINVAL;
1017                         }
1018                         break;
1019                 case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_SCLK:
1020                         /* get stable pstate sclk in Mhz */
1021                         if (amdgpu_dpm_read_sensor(adev,
1022                                                    AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK,
1023                                                    (void *)&ui32, &ui32_size)) {
1024                                 return -EINVAL;
1025                         }
1026                         ui32 /= 100;
1027                         break;
1028                 case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_MCLK:
1029                         /* get stable pstate mclk in Mhz */
1030                         if (amdgpu_dpm_read_sensor(adev,
1031                                                    AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK,
1032                                                    (void *)&ui32, &ui32_size)) {
1033                                 return -EINVAL;
1034                         }
1035                         ui32 /= 100;
1036                         break;
1037                 default:
1038                         DRM_DEBUG_KMS("Invalid request %d\n",
1039                                       info->sensor_info.type);
1040                         return -EINVAL;
1041                 }
1042                 return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
1043         }
1044         case AMDGPU_INFO_VRAM_LOST_COUNTER:
1045                 ui32 = atomic_read(&adev->vram_lost_counter);
1046                 return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
1047         case AMDGPU_INFO_RAS_ENABLED_FEATURES: {
1048                 struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
1049                 uint64_t ras_mask;
1050
1051                 if (!ras)
1052                         return -EINVAL;
1053                 ras_mask = (uint64_t)adev->ras_enabled << 32 | ras->features;
1054
1055                 return copy_to_user(out, &ras_mask,
1056                                 min_t(u64, size, sizeof(ras_mask))) ?
1057                         -EFAULT : 0;
1058         }
1059         case AMDGPU_INFO_VIDEO_CAPS: {
1060                 const struct amdgpu_video_codecs *codecs;
1061                 struct drm_amdgpu_info_video_caps *caps;
1062                 int r;
1063
1064                 switch (info->video_cap.type) {
1065                 case AMDGPU_INFO_VIDEO_CAPS_DECODE:
1066                         r = amdgpu_asic_query_video_codecs(adev, false, &codecs);
1067                         if (r)
1068                                 return -EINVAL;
1069                         break;
1070                 case AMDGPU_INFO_VIDEO_CAPS_ENCODE:
1071                         r = amdgpu_asic_query_video_codecs(adev, true, &codecs);
1072                         if (r)
1073                                 return -EINVAL;
1074                         break;
1075                 default:
1076                         DRM_DEBUG_KMS("Invalid request %d\n",
1077                                       info->video_cap.type);
1078                         return -EINVAL;
1079                 }
1080
1081                 caps = kzalloc(sizeof(*caps), GFP_KERNEL);
1082                 if (!caps)
1083                         return -ENOMEM;
1084
1085                 for (i = 0; i < codecs->codec_count; i++) {
1086                         int idx = codecs->codec_array[i].codec_type;
1087
1088                         switch (idx) {
1089                         case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2:
1090                         case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4:
1091                         case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VC1:
1092                         case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC:
1093                         case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC:
1094                         case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG:
1095                         case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VP9:
1096                         case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_AV1:
1097                                 caps->codec_info[idx].valid = 1;
1098                                 caps->codec_info[idx].max_width =
1099                                         codecs->codec_array[i].max_width;
1100                                 caps->codec_info[idx].max_height =
1101                                         codecs->codec_array[i].max_height;
1102                                 caps->codec_info[idx].max_pixels_per_frame =
1103                                         codecs->codec_array[i].max_pixels_per_frame;
1104                                 caps->codec_info[idx].max_level =
1105                                         codecs->codec_array[i].max_level;
1106                                 break;
1107                         default:
1108                                 break;
1109                         }
1110                 }
1111                 r = copy_to_user(out, caps,
1112                                  min((size_t)size, sizeof(*caps))) ? -EFAULT : 0;
1113                 kfree(caps);
1114                 return r;
1115         }
1116         default:
1117                 DRM_DEBUG_KMS("Invalid request %d\n", info->query);
1118                 return -EINVAL;
1119         }
1120         return 0;
1121 }
1122
1123
1124 /*
1125  * Outdated mess for old drm with Xorg being in charge (void function now).
1126  */
1127 /**
1128  * amdgpu_driver_lastclose_kms - drm callback for last close
1129  *
1130  * @dev: drm dev pointer
1131  *
1132  * Switch vga_switcheroo state after last close (all asics).
1133  */
1134 void amdgpu_driver_lastclose_kms(struct drm_device *dev)
1135 {
1136         drm_fb_helper_lastclose(dev);
1137         vga_switcheroo_process_delayed_switch();
1138 }
1139
1140 /**
1141  * amdgpu_driver_open_kms - drm callback for open
1142  *
1143  * @dev: drm dev pointer
1144  * @file_priv: drm file
1145  *
1146  * On device open, init vm on cayman+ (all asics).
1147  * Returns 0 on success, error on failure.
1148  */
1149 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
1150 {
1151         struct amdgpu_device *adev = drm_to_adev(dev);
1152         struct amdgpu_fpriv *fpriv;
1153         int r, pasid;
1154
1155         /* Ensure IB tests are run on ring */
1156         flush_delayed_work(&adev->delayed_init_work);
1157
1158
1159         if (amdgpu_ras_intr_triggered()) {
1160                 DRM_ERROR("RAS Intr triggered, device disabled!!");
1161                 return -EHWPOISON;
1162         }
1163
1164         file_priv->driver_priv = NULL;
1165
1166         r = pm_runtime_get_sync(dev->dev);
1167         if (r < 0)
1168                 goto pm_put;
1169
1170         fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
1171         if (unlikely(!fpriv)) {
1172                 r = -ENOMEM;
1173                 goto out_suspend;
1174         }
1175
1176         pasid = amdgpu_pasid_alloc(16);
1177         if (pasid < 0) {
1178                 dev_warn(adev->dev, "No more PASIDs available!");
1179                 pasid = 0;
1180         }
1181
1182         r = amdgpu_vm_init(adev, &fpriv->vm);
1183         if (r)
1184                 goto error_pasid;
1185
1186         r = amdgpu_vm_set_pasid(adev, &fpriv->vm, pasid);
1187         if (r)
1188                 goto error_vm;
1189
1190         fpriv->prt_va = amdgpu_vm_bo_add(adev, &fpriv->vm, NULL);
1191         if (!fpriv->prt_va) {
1192                 r = -ENOMEM;
1193                 goto error_vm;
1194         }
1195
1196         if (amdgpu_mcbp || amdgpu_sriov_vf(adev)) {
1197                 uint64_t csa_addr = amdgpu_csa_vaddr(adev) & AMDGPU_GMC_HOLE_MASK;
1198
1199                 r = amdgpu_map_static_csa(adev, &fpriv->vm, adev->virt.csa_obj,
1200                                                 &fpriv->csa_va, csa_addr, AMDGPU_CSA_SIZE);
1201                 if (r)
1202                         goto error_vm;
1203         }
1204
1205         mutex_init(&fpriv->bo_list_lock);
1206         idr_init(&fpriv->bo_list_handles);
1207
1208         amdgpu_ctx_mgr_init(&fpriv->ctx_mgr);
1209
1210         file_priv->driver_priv = fpriv;
1211         goto out_suspend;
1212
1213 error_vm:
1214         amdgpu_vm_fini(adev, &fpriv->vm);
1215
1216 error_pasid:
1217         if (pasid) {
1218                 amdgpu_pasid_free(pasid);
1219                 amdgpu_vm_set_pasid(adev, &fpriv->vm, 0);
1220         }
1221
1222         kfree(fpriv);
1223
1224 out_suspend:
1225         pm_runtime_mark_last_busy(dev->dev);
1226 pm_put:
1227         pm_runtime_put_autosuspend(dev->dev);
1228
1229         return r;
1230 }
1231
1232 /**
1233  * amdgpu_driver_postclose_kms - drm callback for post close
1234  *
1235  * @dev: drm dev pointer
1236  * @file_priv: drm file
1237  *
1238  * On device post close, tear down vm on cayman+ (all asics).
1239  */
1240 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1241                                  struct drm_file *file_priv)
1242 {
1243         struct amdgpu_device *adev = drm_to_adev(dev);
1244         struct amdgpu_fpriv *fpriv = file_priv->driver_priv;
1245         struct amdgpu_bo_list *list;
1246         struct amdgpu_bo *pd;
1247         u32 pasid;
1248         int handle;
1249
1250         if (!fpriv)
1251                 return;
1252
1253         pm_runtime_get_sync(dev->dev);
1254
1255         if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_UVD) != NULL)
1256                 amdgpu_uvd_free_handles(adev, file_priv);
1257         if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_VCE) != NULL)
1258                 amdgpu_vce_free_handles(adev, file_priv);
1259
1260         amdgpu_vm_bo_rmv(adev, fpriv->prt_va);
1261
1262         if (amdgpu_mcbp || amdgpu_sriov_vf(adev)) {
1263                 /* TODO: how to handle reserve failure */
1264                 BUG_ON(amdgpu_bo_reserve(adev->virt.csa_obj, true));
1265                 amdgpu_vm_bo_rmv(adev, fpriv->csa_va);
1266                 fpriv->csa_va = NULL;
1267                 amdgpu_bo_unreserve(adev->virt.csa_obj);
1268         }
1269
1270         pasid = fpriv->vm.pasid;
1271         pd = amdgpu_bo_ref(fpriv->vm.root.bo);
1272
1273         amdgpu_ctx_mgr_fini(&fpriv->ctx_mgr);
1274         amdgpu_vm_fini(adev, &fpriv->vm);
1275
1276         if (pasid)
1277                 amdgpu_pasid_free_delayed(pd->tbo.base.resv, pasid);
1278         amdgpu_bo_unref(&pd);
1279
1280         idr_for_each_entry(&fpriv->bo_list_handles, list, handle)
1281                 amdgpu_bo_list_put(list);
1282
1283         idr_destroy(&fpriv->bo_list_handles);
1284         mutex_destroy(&fpriv->bo_list_lock);
1285
1286         kfree(fpriv);
1287         file_priv->driver_priv = NULL;
1288
1289         pm_runtime_mark_last_busy(dev->dev);
1290         pm_runtime_put_autosuspend(dev->dev);
1291 }
1292
1293
1294 void amdgpu_driver_release_kms(struct drm_device *dev)
1295 {
1296         struct amdgpu_device *adev = drm_to_adev(dev);
1297
1298         amdgpu_device_fini_sw(adev);
1299         pci_set_drvdata(adev->pdev, NULL);
1300 }
1301
1302 /*
1303  * VBlank related functions.
1304  */
1305 /**
1306  * amdgpu_get_vblank_counter_kms - get frame count
1307  *
1308  * @crtc: crtc to get the frame count from
1309  *
1310  * Gets the frame count on the requested crtc (all asics).
1311  * Returns frame count on success, -EINVAL on failure.
1312  */
1313 u32 amdgpu_get_vblank_counter_kms(struct drm_crtc *crtc)
1314 {
1315         struct drm_device *dev = crtc->dev;
1316         unsigned int pipe = crtc->index;
1317         struct amdgpu_device *adev = drm_to_adev(dev);
1318         int vpos, hpos, stat;
1319         u32 count;
1320
1321         if (pipe >= adev->mode_info.num_crtc) {
1322                 DRM_ERROR("Invalid crtc %u\n", pipe);
1323                 return -EINVAL;
1324         }
1325
1326         /* The hw increments its frame counter at start of vsync, not at start
1327          * of vblank, as is required by DRM core vblank counter handling.
1328          * Cook the hw count here to make it appear to the caller as if it
1329          * incremented at start of vblank. We measure distance to start of
1330          * vblank in vpos. vpos therefore will be >= 0 between start of vblank
1331          * and start of vsync, so vpos >= 0 means to bump the hw frame counter
1332          * result by 1 to give the proper appearance to caller.
1333          */
1334         if (adev->mode_info.crtcs[pipe]) {
1335                 /* Repeat readout if needed to provide stable result if
1336                  * we cross start of vsync during the queries.
1337                  */
1338                 do {
1339                         count = amdgpu_display_vblank_get_counter(adev, pipe);
1340                         /* Ask amdgpu_display_get_crtc_scanoutpos to return
1341                          * vpos as distance to start of vblank, instead of
1342                          * regular vertical scanout pos.
1343                          */
1344                         stat = amdgpu_display_get_crtc_scanoutpos(
1345                                 dev, pipe, GET_DISTANCE_TO_VBLANKSTART,
1346                                 &vpos, &hpos, NULL, NULL,
1347                                 &adev->mode_info.crtcs[pipe]->base.hwmode);
1348                 } while (count != amdgpu_display_vblank_get_counter(adev, pipe));
1349
1350                 if (((stat & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE)) !=
1351                     (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE))) {
1352                         DRM_DEBUG_VBL("Query failed! stat %d\n", stat);
1353                 } else {
1354                         DRM_DEBUG_VBL("crtc %d: dist from vblank start %d\n",
1355                                       pipe, vpos);
1356
1357                         /* Bump counter if we are at >= leading edge of vblank,
1358                          * but before vsync where vpos would turn negative and
1359                          * the hw counter really increments.
1360                          */
1361                         if (vpos >= 0)
1362                                 count++;
1363                 }
1364         } else {
1365                 /* Fallback to use value as is. */
1366                 count = amdgpu_display_vblank_get_counter(adev, pipe);
1367                 DRM_DEBUG_VBL("NULL mode info! Returned count may be wrong.\n");
1368         }
1369
1370         return count;
1371 }
1372
1373 /**
1374  * amdgpu_enable_vblank_kms - enable vblank interrupt
1375  *
1376  * @crtc: crtc to enable vblank interrupt for
1377  *
1378  * Enable the interrupt on the requested crtc (all asics).
1379  * Returns 0 on success, -EINVAL on failure.
1380  */
1381 int amdgpu_enable_vblank_kms(struct drm_crtc *crtc)
1382 {
1383         struct drm_device *dev = crtc->dev;
1384         unsigned int pipe = crtc->index;
1385         struct amdgpu_device *adev = drm_to_adev(dev);
1386         int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1387
1388         return amdgpu_irq_get(adev, &adev->crtc_irq, idx);
1389 }
1390
1391 /**
1392  * amdgpu_disable_vblank_kms - disable vblank interrupt
1393  *
1394  * @crtc: crtc to disable vblank interrupt for
1395  *
1396  * Disable the interrupt on the requested crtc (all asics).
1397  */
1398 void amdgpu_disable_vblank_kms(struct drm_crtc *crtc)
1399 {
1400         struct drm_device *dev = crtc->dev;
1401         unsigned int pipe = crtc->index;
1402         struct amdgpu_device *adev = drm_to_adev(dev);
1403         int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1404
1405         amdgpu_irq_put(adev, &adev->crtc_irq, idx);
1406 }
1407
1408 /*
1409  * Debugfs info
1410  */
1411 #if defined(CONFIG_DEBUG_FS)
1412
1413 static int amdgpu_debugfs_firmware_info_show(struct seq_file *m, void *unused)
1414 {
1415         struct amdgpu_device *adev = (struct amdgpu_device *)m->private;
1416         struct drm_amdgpu_info_firmware fw_info;
1417         struct drm_amdgpu_query_fw query_fw;
1418         struct atom_context *ctx = adev->mode_info.atom_context;
1419         int ret, i;
1420
1421         static const char *ta_fw_name[TA_FW_TYPE_MAX_INDEX] = {
1422 #define TA_FW_NAME(type) [TA_FW_TYPE_PSP_##type] = #type
1423                 TA_FW_NAME(XGMI),
1424                 TA_FW_NAME(RAS),
1425                 TA_FW_NAME(HDCP),
1426                 TA_FW_NAME(DTM),
1427                 TA_FW_NAME(RAP),
1428                 TA_FW_NAME(SECUREDISPLAY),
1429 #undef TA_FW_NAME
1430         };
1431
1432         /* VCE */
1433         query_fw.fw_type = AMDGPU_INFO_FW_VCE;
1434         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1435         if (ret)
1436                 return ret;
1437         seq_printf(m, "VCE feature version: %u, firmware version: 0x%08x\n",
1438                    fw_info.feature, fw_info.ver);
1439
1440         /* UVD */
1441         query_fw.fw_type = AMDGPU_INFO_FW_UVD;
1442         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1443         if (ret)
1444                 return ret;
1445         seq_printf(m, "UVD feature version: %u, firmware version: 0x%08x\n",
1446                    fw_info.feature, fw_info.ver);
1447
1448         /* GMC */
1449         query_fw.fw_type = AMDGPU_INFO_FW_GMC;
1450         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1451         if (ret)
1452                 return ret;
1453         seq_printf(m, "MC feature version: %u, firmware version: 0x%08x\n",
1454                    fw_info.feature, fw_info.ver);
1455
1456         /* ME */
1457         query_fw.fw_type = AMDGPU_INFO_FW_GFX_ME;
1458         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1459         if (ret)
1460                 return ret;
1461         seq_printf(m, "ME feature version: %u, firmware version: 0x%08x\n",
1462                    fw_info.feature, fw_info.ver);
1463
1464         /* PFP */
1465         query_fw.fw_type = AMDGPU_INFO_FW_GFX_PFP;
1466         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1467         if (ret)
1468                 return ret;
1469         seq_printf(m, "PFP feature version: %u, firmware version: 0x%08x\n",
1470                    fw_info.feature, fw_info.ver);
1471
1472         /* CE */
1473         query_fw.fw_type = AMDGPU_INFO_FW_GFX_CE;
1474         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1475         if (ret)
1476                 return ret;
1477         seq_printf(m, "CE feature version: %u, firmware version: 0x%08x\n",
1478                    fw_info.feature, fw_info.ver);
1479
1480         /* RLC */
1481         query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC;
1482         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1483         if (ret)
1484                 return ret;
1485         seq_printf(m, "RLC feature version: %u, firmware version: 0x%08x\n",
1486                    fw_info.feature, fw_info.ver);
1487
1488         /* RLC SAVE RESTORE LIST CNTL */
1489         query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL;
1490         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1491         if (ret)
1492                 return ret;
1493         seq_printf(m, "RLC SRLC feature version: %u, firmware version: 0x%08x\n",
1494                    fw_info.feature, fw_info.ver);
1495
1496         /* RLC SAVE RESTORE LIST GPM MEM */
1497         query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM;
1498         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1499         if (ret)
1500                 return ret;
1501         seq_printf(m, "RLC SRLG feature version: %u, firmware version: 0x%08x\n",
1502                    fw_info.feature, fw_info.ver);
1503
1504         /* RLC SAVE RESTORE LIST SRM MEM */
1505         query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM;
1506         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1507         if (ret)
1508                 return ret;
1509         seq_printf(m, "RLC SRLS feature version: %u, firmware version: 0x%08x\n",
1510                    fw_info.feature, fw_info.ver);
1511
1512         /* MEC */
1513         query_fw.fw_type = AMDGPU_INFO_FW_GFX_MEC;
1514         query_fw.index = 0;
1515         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1516         if (ret)
1517                 return ret;
1518         seq_printf(m, "MEC feature version: %u, firmware version: 0x%08x\n",
1519                    fw_info.feature, fw_info.ver);
1520
1521         /* MEC2 */
1522         if (adev->gfx.mec2_fw) {
1523                 query_fw.index = 1;
1524                 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1525                 if (ret)
1526                         return ret;
1527                 seq_printf(m, "MEC2 feature version: %u, firmware version: 0x%08x\n",
1528                            fw_info.feature, fw_info.ver);
1529         }
1530
1531         /* PSP SOS */
1532         query_fw.fw_type = AMDGPU_INFO_FW_SOS;
1533         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1534         if (ret)
1535                 return ret;
1536         seq_printf(m, "SOS feature version: %u, firmware version: 0x%08x\n",
1537                    fw_info.feature, fw_info.ver);
1538
1539
1540         /* PSP ASD */
1541         query_fw.fw_type = AMDGPU_INFO_FW_ASD;
1542         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1543         if (ret)
1544                 return ret;
1545         seq_printf(m, "ASD feature version: %u, firmware version: 0x%08x\n",
1546                    fw_info.feature, fw_info.ver);
1547
1548         query_fw.fw_type = AMDGPU_INFO_FW_TA;
1549         for (i = TA_FW_TYPE_PSP_XGMI; i < TA_FW_TYPE_MAX_INDEX; i++) {
1550                 query_fw.index = i;
1551                 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1552                 if (ret)
1553                         continue;
1554
1555                 seq_printf(m, "TA %s feature version: 0x%08x, firmware version: 0x%08x\n",
1556                            ta_fw_name[i], fw_info.feature, fw_info.ver);
1557         }
1558
1559         /* SMC */
1560         query_fw.fw_type = AMDGPU_INFO_FW_SMC;
1561         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1562         if (ret)
1563                 return ret;
1564         seq_printf(m, "SMC feature version: %u, firmware version: 0x%08x\n",
1565                    fw_info.feature, fw_info.ver);
1566
1567         /* SDMA */
1568         query_fw.fw_type = AMDGPU_INFO_FW_SDMA;
1569         for (i = 0; i < adev->sdma.num_instances; i++) {
1570                 query_fw.index = i;
1571                 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1572                 if (ret)
1573                         return ret;
1574                 seq_printf(m, "SDMA%d feature version: %u, firmware version: 0x%08x\n",
1575                            i, fw_info.feature, fw_info.ver);
1576         }
1577
1578         /* VCN */
1579         query_fw.fw_type = AMDGPU_INFO_FW_VCN;
1580         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1581         if (ret)
1582                 return ret;
1583         seq_printf(m, "VCN feature version: %u, firmware version: 0x%08x\n",
1584                    fw_info.feature, fw_info.ver);
1585
1586         /* DMCU */
1587         query_fw.fw_type = AMDGPU_INFO_FW_DMCU;
1588         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1589         if (ret)
1590                 return ret;
1591         seq_printf(m, "DMCU feature version: %u, firmware version: 0x%08x\n",
1592                    fw_info.feature, fw_info.ver);
1593
1594         /* DMCUB */
1595         query_fw.fw_type = AMDGPU_INFO_FW_DMCUB;
1596         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1597         if (ret)
1598                 return ret;
1599         seq_printf(m, "DMCUB feature version: %u, firmware version: 0x%08x\n",
1600                    fw_info.feature, fw_info.ver);
1601
1602         /* TOC */
1603         query_fw.fw_type = AMDGPU_INFO_FW_TOC;
1604         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1605         if (ret)
1606                 return ret;
1607         seq_printf(m, "TOC feature version: %u, firmware version: 0x%08x\n",
1608                    fw_info.feature, fw_info.ver);
1609
1610         seq_printf(m, "VBIOS version: %s\n", ctx->vbios_version);
1611
1612         return 0;
1613 }
1614
1615 DEFINE_SHOW_ATTRIBUTE(amdgpu_debugfs_firmware_info);
1616
1617 #endif
1618
1619 void amdgpu_debugfs_firmware_init(struct amdgpu_device *adev)
1620 {
1621 #if defined(CONFIG_DEBUG_FS)
1622         struct drm_minor *minor = adev_to_drm(adev)->primary;
1623         struct dentry *root = minor->debugfs_root;
1624
1625         debugfs_create_file("amdgpu_firmware_info", 0444, root,
1626                             adev, &amdgpu_debugfs_firmware_info_fops);
1627
1628 #endif
1629 }