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