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