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

   1 /*
   2  * Copyright 2016 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  */
  23
  24 #include <drm/amdgpu_drm.h>
  25 #include "amdgpu.h"
  26 #include "atomfirmware.h"
  27 #include "amdgpu_atomfirmware.h"
  28 #include "atom.h"
  29 #include "atombios.h"
  30 #include "soc15_hw_ip.h"
  31
  32 union firmware_info {
  33         struct atom_firmware_info_v3_1 v31;
  34         struct atom_firmware_info_v3_2 v32;
  35         struct atom_firmware_info_v3_3 v33;
  36         struct atom_firmware_info_v3_4 v34;
  37 };
  38
  39 /*
  40  * Helper function to query firmware capability
  41  *
  42  * @adev: amdgpu_device pointer
  43  *
  44  * Return firmware_capability in firmwareinfo table on success or 0 if not
  45  */
  46 uint32_t amdgpu_atomfirmware_query_firmware_capability(struct amdgpu_device *adev)
  47 {
  48         struct amdgpu_mode_info *mode_info = &adev->mode_info;
  49         int index;
  50         u16 data_offset, size;
  51         union firmware_info *firmware_info;
  52         u8 frev, crev;
  53         u32 fw_cap = 0;
  54
  55         index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
  56                         firmwareinfo);
  57
  58         if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context,
  59                                 index, &size, &frev, &crev, &data_offset)) {
  60                 /* support firmware_info 3.1 + */
  61                 if ((frev == 3 && crev >=1) || (frev > 3)) {
  62                         firmware_info = (union firmware_info *)
  63                                 (mode_info->atom_context->bios + data_offset);
  64                         fw_cap = le32_to_cpu(firmware_info->v31.firmware_capability);
  65                 }
  66         }
  67
  68         return fw_cap;
  69 }
  70
  71 /*
  72  * Helper function to query gpu virtualizaiton capability
  73  *
  74  * @adev: amdgpu_device pointer
  75  *
  76  * Return true if gpu virtualization is supported or false if not
  77  */
  78 bool amdgpu_atomfirmware_gpu_virtualization_supported(struct amdgpu_device *adev)
  79 {
  80         u32 fw_cap;
  81
  82         fw_cap = adev->mode_info.firmware_flags;
  83
  84         return (fw_cap & ATOM_FIRMWARE_CAP_GPU_VIRTUALIZATION) ? true : false;
  85 }
  86
  87 void amdgpu_atomfirmware_scratch_regs_init(struct amdgpu_device *adev)
  88 {
  89         int index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
  90                                                 firmwareinfo);
  91         uint16_t data_offset;
  92
  93         if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context, index, NULL,
  94                                           NULL, NULL, &data_offset)) {
  95                 struct atom_firmware_info_v3_1 *firmware_info =
  96                         (struct atom_firmware_info_v3_1 *)(adev->mode_info.atom_context->bios +
  97                                                            data_offset);
  98
  99                 adev->bios_scratch_reg_offset =
 100                         le32_to_cpu(firmware_info->bios_scratch_reg_startaddr);
 101         }
 102 }
 103
 104 int amdgpu_atomfirmware_allocate_fb_scratch(struct amdgpu_device *adev)
 105 {
 106         struct atom_context *ctx = adev->mode_info.atom_context;
 107         int index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
 108                                                 vram_usagebyfirmware);
 109         struct vram_usagebyfirmware_v2_1 *firmware_usage;
 110         uint32_t start_addr, size;
 111         uint16_t data_offset;
 112         int usage_bytes = 0;
 113
 114         if (amdgpu_atom_parse_data_header(ctx, index, NULL, NULL, NULL, &data_offset)) {
 115                 firmware_usage = (struct vram_usagebyfirmware_v2_1 *)(ctx->bios + data_offset);
 116                 DRM_DEBUG("atom firmware requested %08x %dkb fw %dkb drv\n",
 117                           le32_to_cpu(firmware_usage->start_address_in_kb),
 118                           le16_to_cpu(firmware_usage->used_by_firmware_in_kb),
 119                           le16_to_cpu(firmware_usage->used_by_driver_in_kb));
 120
 121                 start_addr = le32_to_cpu(firmware_usage->start_address_in_kb);
 122                 size = le16_to_cpu(firmware_usage->used_by_firmware_in_kb);
 123
 124                 if ((uint32_t)(start_addr & ATOM_VRAM_OPERATION_FLAGS_MASK) ==
 125                         (uint32_t)(ATOM_VRAM_BLOCK_SRIOV_MSG_SHARE_RESERVATION <<
 126                         ATOM_VRAM_OPERATION_FLAGS_SHIFT)) {
 127                         /* Firmware request VRAM reservation for SR-IOV */
 128                         adev->mman.fw_vram_usage_start_offset = (start_addr &
 129                                 (~ATOM_VRAM_OPERATION_FLAGS_MASK)) << 10;
 130                         adev->mman.fw_vram_usage_size = size << 10;
 131                         /* Use the default scratch size */
 132                         usage_bytes = 0;
 133                 } else {
 134                         usage_bytes = le16_to_cpu(firmware_usage->used_by_driver_in_kb) << 10;
 135                 }
 136         }
 137         ctx->scratch_size_bytes = 0;
 138         if (usage_bytes == 0)
 139                 usage_bytes = 20 * 1024;
 140         /* allocate some scratch memory */
 141         ctx->scratch = kzalloc(usage_bytes, GFP_KERNEL);
 142         if (!ctx->scratch)
 143                 return -ENOMEM;
 144         ctx->scratch_size_bytes = usage_bytes;
 145         return 0;
 146 }
 147
 148 union igp_info {
 149         struct atom_integrated_system_info_v1_11 v11;
 150         struct atom_integrated_system_info_v1_12 v12;
 151         struct atom_integrated_system_info_v2_1 v21;
 152 };
 153
 154 union umc_info {
 155         struct atom_umc_info_v3_1 v31;
 156         struct atom_umc_info_v3_2 v32;
 157         struct atom_umc_info_v3_3 v33;
 158 };
 159
 160 union vram_info {
 161         struct atom_vram_info_header_v2_3 v23;
 162         struct atom_vram_info_header_v2_4 v24;
 163         struct atom_vram_info_header_v2_5 v25;
 164         struct atom_vram_info_header_v2_6 v26;
 165 };
 166
 167 union vram_module {
 168         struct atom_vram_module_v9 v9;
 169         struct atom_vram_module_v10 v10;
 170         struct atom_vram_module_v11 v11;
 171 };
 172
 173 static int convert_atom_mem_type_to_vram_type(struct amdgpu_device *adev,
 174                                               int atom_mem_type)
 175 {
 176         int vram_type;
 177
 178         if (adev->flags & AMD_IS_APU) {
 179                 switch (atom_mem_type) {
 180                 case Ddr2MemType:
 181                 case LpDdr2MemType:
 182                         vram_type = AMDGPU_VRAM_TYPE_DDR2;
 183                         break;
 184                 case Ddr3MemType:
 185                 case LpDdr3MemType:
 186                         vram_type = AMDGPU_VRAM_TYPE_DDR3;
 187                         break;
 188                 case Ddr4MemType:
 189                 case LpDdr4MemType:
 190                         vram_type = AMDGPU_VRAM_TYPE_DDR4;
 191                         break;
 192                 case Ddr5MemType:
 193                 case LpDdr5MemType:
 194                         vram_type = AMDGPU_VRAM_TYPE_DDR5;
 195                         break;
 196                 default:
 197                         vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
 198                         break;
 199                 }
 200         } else {
 201                 switch (atom_mem_type) {
 202                 case ATOM_DGPU_VRAM_TYPE_GDDR5:
 203                         vram_type = AMDGPU_VRAM_TYPE_GDDR5;
 204                         break;
 205                 case ATOM_DGPU_VRAM_TYPE_HBM2:
 206                 case ATOM_DGPU_VRAM_TYPE_HBM2E:
 207                         vram_type = AMDGPU_VRAM_TYPE_HBM;
 208                         break;
 209                 case ATOM_DGPU_VRAM_TYPE_GDDR6:
 210                         vram_type = AMDGPU_VRAM_TYPE_GDDR6;
 211                         break;
 212                 default:
 213                         vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
 214                         break;
 215                 }
 216         }
 217
 218         return vram_type;
 219 }
 220
 221
 222 int
 223 amdgpu_atomfirmware_get_vram_info(struct amdgpu_device *adev,
 224                                   int *vram_width, int *vram_type,
 225                                   int *vram_vendor)
 226 {
 227         struct amdgpu_mode_info *mode_info = &adev->mode_info;
 228         int index, i = 0;
 229         u16 data_offset, size;
 230         union igp_info *igp_info;
 231         union vram_info *vram_info;
 232         union vram_module *vram_module;
 233         u8 frev, crev;
 234         u8 mem_type;
 235         u8 mem_vendor;
 236         u32 mem_channel_number;
 237         u32 mem_channel_width;
 238         u32 module_id;
 239
 240         if (adev->flags & AMD_IS_APU)
 241                 index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
 242                                                     integratedsysteminfo);
 243         else
 244                 index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
 245                                                     vram_info);
 246
 247         if (amdgpu_atom_parse_data_header(mode_info->atom_context,
 248                                           index, &size,
 249                                           &frev, &crev, &data_offset)) {
 250                 if (adev->flags & AMD_IS_APU) {
 251                         igp_info = (union igp_info *)
 252                                 (mode_info->atom_context->bios + data_offset);
 253                         switch (frev) {
 254                         case 1:
 255                                 switch (crev) {
 256                                 case 11:
 257                                 case 12:
 258                                         mem_channel_number = igp_info->v11.umachannelnumber;
 259                                         if (!mem_channel_number)
 260                                                 mem_channel_number = 1;
 261                                         /* channel width is 64 */
 262                                         if (vram_width)
 263                                                 *vram_width = mem_channel_number * 64;
 264                                         mem_type = igp_info->v11.memorytype;
 265                                         if (vram_type)
 266                                                 *vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
 267                                         break;
 268                                 default:
 269                                         return -EINVAL;
 270                                 }
 271                                 break;
 272                         case 2:
 273                                 switch (crev) {
 274                                 case 1:
 275                                 case 2:
 276                                         mem_channel_number = igp_info->v21.umachannelnumber;
 277                                         if (!mem_channel_number)
 278                                                 mem_channel_number = 1;
 279                                         /* channel width is 64 */
 280                                         if (vram_width)
 281                                                 *vram_width = mem_channel_number * 64;
 282                                         mem_type = igp_info->v21.memorytype;
 283                                         if (vram_type)
 284                                                 *vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
 285                                         break;
 286                                 default:
 287                                         return -EINVAL;
 288                                 }
 289                                 break;
 290                         default:
 291                                 return -EINVAL;
 292                         }
 293                 } else {
 294                         vram_info = (union vram_info *)
 295                                 (mode_info->atom_context->bios + data_offset);
 296                         module_id = (RREG32(adev->bios_scratch_reg_offset + 4) & 0x00ff0000) >> 16;
 297                         switch (crev) {
 298                         case 3:
 299                                 if (module_id > vram_info->v23.vram_module_num)
 300                                         module_id = 0;
 301                                 vram_module = (union vram_module *)vram_info->v23.vram_module;
 302                                 while (i < module_id) {
 303                                         vram_module = (union vram_module *)
 304                                                 ((u8 *)vram_module + vram_module->v9.vram_module_size);
 305                                         i++;
 306                                 }
 307                                 mem_type = vram_module->v9.memory_type;
 308                                 if (vram_type)
 309                                         *vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
 310                                 mem_channel_number = vram_module->v9.channel_num;
 311                                 mem_channel_width = vram_module->v9.channel_width;
 312                                 if (vram_width)
 313                                         *vram_width = mem_channel_number * (1 << mem_channel_width);
 314                                 mem_vendor = (vram_module->v9.vender_rev_id) & 0xF;
 315                                 if (vram_vendor)
 316                                         *vram_vendor = mem_vendor;
 317                                 break;
 318                         case 4:
 319                                 if (module_id > vram_info->v24.vram_module_num)
 320                                         module_id = 0;
 321                                 vram_module = (union vram_module *)vram_info->v24.vram_module;
 322                                 while (i < module_id) {
 323                                         vram_module = (union vram_module *)
 324                                                 ((u8 *)vram_module + vram_module->v10.vram_module_size);
 325                                         i++;
 326                                 }
 327                                 mem_type = vram_module->v10.memory_type;
 328                                 if (vram_type)
 329                                         *vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
 330                                 mem_channel_number = vram_module->v10.channel_num;
 331                                 mem_channel_width = vram_module->v10.channel_width;
 332                                 if (vram_width)
 333                                         *vram_width = mem_channel_number * (1 << mem_channel_width);
 334                                 mem_vendor = (vram_module->v10.vender_rev_id) & 0xF;
 335                                 if (vram_vendor)
 336                                         *vram_vendor = mem_vendor;
 337                                 break;
 338                         case 5:
 339                                 if (module_id > vram_info->v25.vram_module_num)
 340                                         module_id = 0;
 341                                 vram_module = (union vram_module *)vram_info->v25.vram_module;
 342                                 while (i < module_id) {
 343                                         vram_module = (union vram_module *)
 344                                                 ((u8 *)vram_module + vram_module->v11.vram_module_size);
 345                                         i++;
 346                                 }
 347                                 mem_type = vram_module->v11.memory_type;
 348                                 if (vram_type)
 349                                         *vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
 350                                 mem_channel_number = vram_module->v11.channel_num;
 351                                 mem_channel_width = vram_module->v11.channel_width;
 352                                 if (vram_width)
 353                                         *vram_width = mem_channel_number * (1 << mem_channel_width);
 354                                 mem_vendor = (vram_module->v11.vender_rev_id) & 0xF;
 355                                 if (vram_vendor)
 356                                         *vram_vendor = mem_vendor;
 357                                 break;
 358                         case 6:
 359                                 if (module_id > vram_info->v26.vram_module_num)
 360                                         module_id = 0;
 361                                 vram_module = (union vram_module *)vram_info->v26.vram_module;
 362                                 while (i < module_id) {
 363                                         vram_module = (union vram_module *)
 364                                                 ((u8 *)vram_module + vram_module->v9.vram_module_size);
 365                                         i++;
 366                                 }
 367                                 mem_type = vram_module->v9.memory_type;
 368                                 if (vram_type)
 369                                         *vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
 370                                 mem_channel_number = vram_module->v9.channel_num;
 371                                 mem_channel_width = vram_module->v9.channel_width;
 372                                 if (vram_width)
 373                                         *vram_width = mem_channel_number * (1 << mem_channel_width);
 374                                 mem_vendor = (vram_module->v9.vender_rev_id) & 0xF;
 375                                 if (vram_vendor)
 376                                         *vram_vendor = mem_vendor;
 377                                 break;
 378                         default:
 379                                 return -EINVAL;
 380                         }
 381                 }
 382
 383         }
 384
 385         return 0;
 386 }
 387
 388 /*
 389  * Return true if vbios enabled ecc by default, if umc info table is available
 390  * or false if ecc is not enabled or umc info table is not available
 391  */
 392 bool amdgpu_atomfirmware_mem_ecc_supported(struct amdgpu_device *adev)
 393 {
 394         struct amdgpu_mode_info *mode_info = &adev->mode_info;
 395         int index;
 396         u16 data_offset, size;
 397         union umc_info *umc_info;
 398         u8 frev, crev;
 399         bool ecc_default_enabled = false;
 400         u8 umc_config;
 401         u32 umc_config1;
 402
 403         index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
 404                         umc_info);
 405
 406         if (amdgpu_atom_parse_data_header(mode_info->atom_context,
 407                                 index, &size, &frev, &crev, &data_offset)) {
 408                 if (frev == 3) {
 409                         umc_info = (union umc_info *)
 410                                 (mode_info->atom_context->bios + data_offset);
 411                         switch (crev) {
 412                         case 1:
 413                                 umc_config = le32_to_cpu(umc_info->v31.umc_config);
 414                                 ecc_default_enabled =
 415                                         (umc_config & UMC_CONFIG__DEFAULT_MEM_ECC_ENABLE) ? true : false;
 416                                 break;
 417                         case 2:
 418                                 umc_config = le32_to_cpu(umc_info->v32.umc_config);
 419                                 ecc_default_enabled =
 420                                         (umc_config & UMC_CONFIG__DEFAULT_MEM_ECC_ENABLE) ? true : false;
 421                                 break;
 422                         case 3:
 423                                 umc_config = le32_to_cpu(umc_info->v33.umc_config);
 424                                 umc_config1 = le32_to_cpu(umc_info->v33.umc_config1);
 425                                 ecc_default_enabled =
 426                                         ((umc_config & UMC_CONFIG__DEFAULT_MEM_ECC_ENABLE) ||
 427                                          (umc_config1 & UMC_CONFIG1__ENABLE_ECC_CAPABLE)) ? true : false;
 428                                 break;
 429                         default:
 430                                 /* unsupported crev */
 431                                 return false;
 432                         }
 433                 }
 434         }
 435
 436         return ecc_default_enabled;
 437 }
 438
 439 /*
 440  * Helper function to query sram ecc capablity
 441  *
 442  * @adev: amdgpu_device pointer
 443  *
 444  * Return true if vbios supports sram ecc or false if not
 445  */
 446 bool amdgpu_atomfirmware_sram_ecc_supported(struct amdgpu_device *adev)
 447 {
 448         u32 fw_cap;
 449
 450         fw_cap = adev->mode_info.firmware_flags;
 451
 452         return (fw_cap & ATOM_FIRMWARE_CAP_SRAM_ECC) ? true : false;
 453 }
 454
 455 /*
 456  * Helper function to query dynamic boot config capability
 457  *
 458  * @adev: amdgpu_device pointer
 459  *
 460  * Return true if vbios supports dynamic boot config or false if not
 461  */
 462 bool amdgpu_atomfirmware_dynamic_boot_config_supported(struct amdgpu_device *adev)
 463 {
 464         u32 fw_cap;
 465
 466         fw_cap = adev->mode_info.firmware_flags;
 467
 468         return (fw_cap & ATOM_FIRMWARE_CAP_DYNAMIC_BOOT_CFG_ENABLE) ? true : false;
 469 }
 470
 471 union smu_info {
 472         struct atom_smu_info_v3_1 v31;
 473 };
 474
 475 int amdgpu_atomfirmware_get_clock_info(struct amdgpu_device *adev)
 476 {
 477         struct amdgpu_mode_info *mode_info = &adev->mode_info;
 478         struct amdgpu_pll *spll = &adev->clock.spll;
 479         struct amdgpu_pll *mpll = &adev->clock.mpll;
 480         uint8_t frev, crev;
 481         uint16_t data_offset;
 482         int ret = -EINVAL, index;
 483
 484         index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
 485                                             firmwareinfo);
 486         if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
 487                                    &frev, &crev, &data_offset)) {
 488                 union firmware_info *firmware_info =
 489                         (union firmware_info *)(mode_info->atom_context->bios +
 490                                                 data_offset);
 491
 492                 adev->clock.default_sclk =
 493                         le32_to_cpu(firmware_info->v31.bootup_sclk_in10khz);
 494                 adev->clock.default_mclk =
 495                         le32_to_cpu(firmware_info->v31.bootup_mclk_in10khz);
 496
 497                 adev->pm.current_sclk = adev->clock.default_sclk;
 498                 adev->pm.current_mclk = adev->clock.default_mclk;
 499
 500                 ret = 0;
 501         }
 502
 503         index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
 504                                             smu_info);
 505         if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
 506                                    &frev, &crev, &data_offset)) {
 507                 union smu_info *smu_info =
 508                         (union smu_info *)(mode_info->atom_context->bios +
 509                                            data_offset);
 510
 511                 /* system clock */
 512                 spll->reference_freq = le32_to_cpu(smu_info->v31.core_refclk_10khz);
 513
 514                 spll->reference_div = 0;
 515                 spll->min_post_div = 1;
 516                 spll->max_post_div = 1;
 517                 spll->min_ref_div = 2;
 518                 spll->max_ref_div = 0xff;
 519                 spll->min_feedback_div = 4;
 520                 spll->max_feedback_div = 0xff;
 521                 spll->best_vco = 0;
 522
 523                 ret = 0;
 524         }
 525
 526         index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
 527                                             umc_info);
 528         if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
 529                                    &frev, &crev, &data_offset)) {
 530                 union umc_info *umc_info =
 531                         (union umc_info *)(mode_info->atom_context->bios +
 532                                            data_offset);
 533
 534                 /* memory clock */
 535                 mpll->reference_freq = le32_to_cpu(umc_info->v31.mem_refclk_10khz);
 536
 537                 mpll->reference_div = 0;
 538                 mpll->min_post_div = 1;
 539                 mpll->max_post_div = 1;
 540                 mpll->min_ref_div = 2;
 541                 mpll->max_ref_div = 0xff;
 542                 mpll->min_feedback_div = 4;
 543                 mpll->max_feedback_div = 0xff;
 544                 mpll->best_vco = 0;
 545
 546                 ret = 0;
 547         }
 548
 549         return ret;
 550 }
 551
 552 union gfx_info {
 553         struct atom_gfx_info_v2_4 v24;
 554         struct atom_gfx_info_v2_7 v27;
 555 };
 556
 557 int amdgpu_atomfirmware_get_gfx_info(struct amdgpu_device *adev)
 558 {
 559         struct amdgpu_mode_info *mode_info = &adev->mode_info;
 560         int index;
 561         uint8_t frev, crev;
 562         uint16_t data_offset;
 563
 564         index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
 565                                             gfx_info);
 566         if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
 567                                    &frev, &crev, &data_offset)) {
 568                 union gfx_info *gfx_info = (union gfx_info *)
 569                         (mode_info->atom_context->bios + data_offset);
 570                 switch (crev) {
 571                 case 4:
 572                         adev->gfx.config.max_shader_engines = gfx_info->v24.max_shader_engines;
 573                         adev->gfx.config.max_cu_per_sh = gfx_info->v24.max_cu_per_sh;
 574                         adev->gfx.config.max_sh_per_se = gfx_info->v24.max_sh_per_se;
 575                         adev->gfx.config.max_backends_per_se = gfx_info->v24.max_backends_per_se;
 576                         adev->gfx.config.max_texture_channel_caches = gfx_info->v24.max_texture_channel_caches;
 577                         adev->gfx.config.max_gprs = le16_to_cpu(gfx_info->v24.gc_num_gprs);
 578                         adev->gfx.config.max_gs_threads = gfx_info->v24.gc_num_max_gs_thds;
 579                         adev->gfx.config.gs_vgt_table_depth = gfx_info->v24.gc_gs_table_depth;
 580                         adev->gfx.config.gs_prim_buffer_depth =
 581                                 le16_to_cpu(gfx_info->v24.gc_gsprim_buff_depth);
 582                         adev->gfx.config.double_offchip_lds_buf =
 583                                 gfx_info->v24.gc_double_offchip_lds_buffer;
 584                         adev->gfx.cu_info.wave_front_size = le16_to_cpu(gfx_info->v24.gc_wave_size);
 585                         adev->gfx.cu_info.max_waves_per_simd = le16_to_cpu(gfx_info->v24.gc_max_waves_per_simd);
 586                         adev->gfx.cu_info.max_scratch_slots_per_cu = gfx_info->v24.gc_max_scratch_slots_per_cu;
 587                         adev->gfx.cu_info.lds_size = le16_to_cpu(gfx_info->v24.gc_lds_size);
 588                         return 0;
 589                 case 7:
 590                         adev->gfx.config.max_shader_engines = gfx_info->v27.max_shader_engines;
 591                         adev->gfx.config.max_cu_per_sh = gfx_info->v27.max_cu_per_sh;
 592                         adev->gfx.config.max_sh_per_se = gfx_info->v27.max_sh_per_se;
 593                         adev->gfx.config.max_backends_per_se = gfx_info->v27.max_backends_per_se;
 594                         adev->gfx.config.max_texture_channel_caches = gfx_info->v27.max_texture_channel_caches;
 595                         adev->gfx.config.max_gprs = le16_to_cpu(gfx_info->v27.gc_num_gprs);
 596                         adev->gfx.config.max_gs_threads = gfx_info->v27.gc_num_max_gs_thds;
 597                         adev->gfx.config.gs_vgt_table_depth = gfx_info->v27.gc_gs_table_depth;
 598                         adev->gfx.config.gs_prim_buffer_depth = le16_to_cpu(gfx_info->v27.gc_gsprim_buff_depth);
 599                         adev->gfx.config.double_offchip_lds_buf = gfx_info->v27.gc_double_offchip_lds_buffer;
 600                         adev->gfx.cu_info.wave_front_size = le16_to_cpu(gfx_info->v27.gc_wave_size);
 601                         adev->gfx.cu_info.max_waves_per_simd = le16_to_cpu(gfx_info->v27.gc_max_waves_per_simd);
 602                         adev->gfx.cu_info.max_scratch_slots_per_cu = gfx_info->v27.gc_max_scratch_slots_per_cu;
 603                         adev->gfx.cu_info.lds_size = le16_to_cpu(gfx_info->v27.gc_lds_size);
 604                         return 0;
 605                 default:
 606                         return -EINVAL;
 607                 }
 608
 609         }
 610         return -EINVAL;
 611 }
 612
 613 /*
 614  * Helper function to query two stage mem training capability
 615  *
 616  * @adev: amdgpu_device pointer
 617  *
 618  * Return true if two stage mem training is supported or false if not
 619  */
 620 bool amdgpu_atomfirmware_mem_training_supported(struct amdgpu_device *adev)
 621 {
 622         u32 fw_cap;
 623
 624         fw_cap = adev->mode_info.firmware_flags;
 625
 626         return (fw_cap & ATOM_FIRMWARE_CAP_ENABLE_2STAGE_BIST_TRAINING) ? true : false;
 627 }
 628
 629 int amdgpu_atomfirmware_get_fw_reserved_fb_size(struct amdgpu_device *adev)
 630 {
 631         struct atom_context *ctx = adev->mode_info.atom_context;
 632         union firmware_info *firmware_info;
 633         int index;
 634         u16 data_offset, size;
 635         u8 frev, crev;
 636         int fw_reserved_fb_size;
 637
 638         index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
 639                         firmwareinfo);
 640
 641         if (!amdgpu_atom_parse_data_header(ctx, index, &size,
 642                                 &frev, &crev, &data_offset))
 643                 /* fail to parse data_header */
 644                 return 0;
 645
 646         firmware_info = (union firmware_info *)(ctx->bios + data_offset);
 647
 648         if (frev !=3)
 649                 return -EINVAL;
 650
 651         switch (crev) {
 652         case 4:
 653                 fw_reserved_fb_size =
 654                         (firmware_info->v34.fw_reserved_size_in_kb << 10);
 655                 break;
 656         default:
 657                 fw_reserved_fb_size = 0;
 658                 break;
 659         }
 660
 661         return fw_reserved_fb_size;
 662 }