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