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