1 /* 2 * Copyright 2020 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 #define SWSMU_CODE_LAYER_L4 24 25 #include "amdgpu.h" 26 #include "amdgpu_smu.h" 27 #include "smu_cmn.h" 28 #include "soc15_common.h" 29 30 /* 31 * DO NOT use these for err/warn/info/debug messages. 32 * Use dev_err, dev_warn, dev_info and dev_dbg instead. 33 * They are more MGPU friendly. 34 */ 35 #undef pr_err 36 #undef pr_warn 37 #undef pr_info 38 #undef pr_debug 39 40 /* 41 * Although these are defined in each ASIC's specific header file. 42 * They share the same definitions and values. That makes common 43 * APIs for SMC messages issuing for all ASICs possible. 44 */ 45 #define mmMP1_SMN_C2PMSG_66 0x0282 46 #define mmMP1_SMN_C2PMSG_66_BASE_IDX 0 47 48 #define mmMP1_SMN_C2PMSG_82 0x0292 49 #define mmMP1_SMN_C2PMSG_82_BASE_IDX 0 50 51 #define mmMP1_SMN_C2PMSG_90 0x029a 52 #define mmMP1_SMN_C2PMSG_90_BASE_IDX 0 53 54 #define MP1_C2PMSG_90__CONTENT_MASK 0xFFFFFFFFL 55 56 #undef __SMU_DUMMY_MAP 57 #define __SMU_DUMMY_MAP(type) #type 58 static const char* __smu_message_names[] = { 59 SMU_MESSAGE_TYPES 60 }; 61 62 static const char *smu_get_message_name(struct smu_context *smu, 63 enum smu_message_type type) 64 { 65 if (type < 0 || type >= SMU_MSG_MAX_COUNT) 66 return "unknown smu message"; 67 68 return __smu_message_names[type]; 69 } 70 71 static void smu_cmn_read_arg(struct smu_context *smu, 72 uint32_t *arg) 73 { 74 struct amdgpu_device *adev = smu->adev; 75 76 *arg = RREG32_SOC15_NO_KIQ(MP1, 0, mmMP1_SMN_C2PMSG_82); 77 } 78 79 static int smu_cmn_wait_for_response(struct smu_context *smu) 80 { 81 struct amdgpu_device *adev = smu->adev; 82 uint32_t cur_value, i, timeout = adev->usec_timeout * 10; 83 84 for (i = 0; i < timeout; i++) { 85 cur_value = RREG32_SOC15_NO_KIQ(MP1, 0, mmMP1_SMN_C2PMSG_90); 86 if ((cur_value & MP1_C2PMSG_90__CONTENT_MASK) != 0) 87 return cur_value; 88 89 udelay(1); 90 } 91 92 /* timeout means wrong logic */ 93 if (i == timeout) 94 return -ETIME; 95 96 return RREG32_SOC15_NO_KIQ(MP1, 0, mmMP1_SMN_C2PMSG_90); 97 } 98 99 int smu_cmn_send_msg_without_waiting(struct smu_context *smu, 100 uint16_t msg, uint32_t param) 101 { 102 struct amdgpu_device *adev = smu->adev; 103 int ret; 104 105 ret = smu_cmn_wait_for_response(smu); 106 if (ret != 0x1) { 107 dev_err(adev->dev, "Msg issuing pre-check failed and " 108 "SMU may be not in the right state!\n"); 109 if (ret != -ETIME) 110 ret = -EIO; 111 return ret; 112 } 113 114 WREG32_SOC15_NO_KIQ(MP1, 0, mmMP1_SMN_C2PMSG_90, 0); 115 WREG32_SOC15_NO_KIQ(MP1, 0, mmMP1_SMN_C2PMSG_82, param); 116 WREG32_SOC15_NO_KIQ(MP1, 0, mmMP1_SMN_C2PMSG_66, msg); 117 118 return 0; 119 } 120 121 int smu_cmn_send_smc_msg_with_param(struct smu_context *smu, 122 enum smu_message_type msg, 123 uint32_t param, 124 uint32_t *read_arg) 125 { 126 struct amdgpu_device *adev = smu->adev; 127 int ret = 0, index = 0; 128 129 if (smu->adev->in_pci_err_recovery) 130 return 0; 131 132 index = smu_cmn_to_asic_specific_index(smu, 133 CMN2ASIC_MAPPING_MSG, 134 msg); 135 if (index < 0) 136 return index == -EACCES ? 0 : index; 137 138 mutex_lock(&smu->message_lock); 139 ret = smu_cmn_send_msg_without_waiting(smu, (uint16_t)index, param); 140 if (ret) 141 goto out; 142 143 ret = smu_cmn_wait_for_response(smu); 144 if (ret != 0x1) { 145 if (ret == -ETIME) { 146 dev_err(adev->dev, "message: %15s (%d) \tparam: 0x%08x is timeout (no response)\n", 147 smu_get_message_name(smu, msg), index, param); 148 } else { 149 dev_err(adev->dev, "failed send message: %15s (%d) \tparam: 0x%08x response %#x\n", 150 smu_get_message_name(smu, msg), index, param, 151 ret); 152 ret = -EIO; 153 } 154 goto out; 155 } 156 157 if (read_arg) 158 smu_cmn_read_arg(smu, read_arg); 159 160 ret = 0; /* 0 as driver return value */ 161 out: 162 mutex_unlock(&smu->message_lock); 163 return ret; 164 } 165 166 int smu_cmn_send_smc_msg(struct smu_context *smu, 167 enum smu_message_type msg, 168 uint32_t *read_arg) 169 { 170 return smu_cmn_send_smc_msg_with_param(smu, 171 msg, 172 0, 173 read_arg); 174 } 175 176 int smu_cmn_to_asic_specific_index(struct smu_context *smu, 177 enum smu_cmn2asic_mapping_type type, 178 uint32_t index) 179 { 180 struct cmn2asic_msg_mapping msg_mapping; 181 struct cmn2asic_mapping mapping; 182 183 switch (type) { 184 case CMN2ASIC_MAPPING_MSG: 185 if (index >= SMU_MSG_MAX_COUNT || 186 !smu->message_map) 187 return -EINVAL; 188 189 msg_mapping = smu->message_map[index]; 190 if (!msg_mapping.valid_mapping) 191 return -EINVAL; 192 193 if (amdgpu_sriov_vf(smu->adev) && 194 !msg_mapping.valid_in_vf) 195 return -EACCES; 196 197 return msg_mapping.map_to; 198 199 case CMN2ASIC_MAPPING_CLK: 200 if (index >= SMU_CLK_COUNT || 201 !smu->clock_map) 202 return -EINVAL; 203 204 mapping = smu->clock_map[index]; 205 if (!mapping.valid_mapping) 206 return -EINVAL; 207 208 return mapping.map_to; 209 210 case CMN2ASIC_MAPPING_FEATURE: 211 if (index >= SMU_FEATURE_COUNT || 212 !smu->feature_map) 213 return -EINVAL; 214 215 mapping = smu->feature_map[index]; 216 if (!mapping.valid_mapping) 217 return -EINVAL; 218 219 return mapping.map_to; 220 221 case CMN2ASIC_MAPPING_TABLE: 222 if (index >= SMU_TABLE_COUNT || 223 !smu->table_map) 224 return -EINVAL; 225 226 mapping = smu->table_map[index]; 227 if (!mapping.valid_mapping) 228 return -EINVAL; 229 230 return mapping.map_to; 231 232 case CMN2ASIC_MAPPING_PWR: 233 if (index >= SMU_POWER_SOURCE_COUNT || 234 !smu->pwr_src_map) 235 return -EINVAL; 236 237 mapping = smu->pwr_src_map[index]; 238 if (!mapping.valid_mapping) 239 return -EINVAL; 240 241 return mapping.map_to; 242 243 case CMN2ASIC_MAPPING_WORKLOAD: 244 if (index > PP_SMC_POWER_PROFILE_CUSTOM || 245 !smu->workload_map) 246 return -EINVAL; 247 248 mapping = smu->workload_map[index]; 249 if (!mapping.valid_mapping) 250 return -EINVAL; 251 252 return mapping.map_to; 253 254 default: 255 return -EINVAL; 256 } 257 } 258 259 int smu_cmn_feature_is_supported(struct smu_context *smu, 260 enum smu_feature_mask mask) 261 { 262 struct smu_feature *feature = &smu->smu_feature; 263 int feature_id; 264 int ret = 0; 265 266 feature_id = smu_cmn_to_asic_specific_index(smu, 267 CMN2ASIC_MAPPING_FEATURE, 268 mask); 269 if (feature_id < 0) 270 return 0; 271 272 WARN_ON(feature_id > feature->feature_num); 273 274 mutex_lock(&feature->mutex); 275 ret = test_bit(feature_id, feature->supported); 276 mutex_unlock(&feature->mutex); 277 278 return ret; 279 } 280 281 int smu_cmn_feature_is_enabled(struct smu_context *smu, 282 enum smu_feature_mask mask) 283 { 284 struct smu_feature *feature = &smu->smu_feature; 285 struct amdgpu_device *adev = smu->adev; 286 int feature_id; 287 int ret = 0; 288 289 if (smu->is_apu && adev->family < AMDGPU_FAMILY_VGH) 290 return 1; 291 292 feature_id = smu_cmn_to_asic_specific_index(smu, 293 CMN2ASIC_MAPPING_FEATURE, 294 mask); 295 if (feature_id < 0) 296 return 0; 297 298 WARN_ON(feature_id > feature->feature_num); 299 300 mutex_lock(&feature->mutex); 301 ret = test_bit(feature_id, feature->enabled); 302 mutex_unlock(&feature->mutex); 303 304 return ret; 305 } 306 307 bool smu_cmn_clk_dpm_is_enabled(struct smu_context *smu, 308 enum smu_clk_type clk_type) 309 { 310 enum smu_feature_mask feature_id = 0; 311 312 switch (clk_type) { 313 case SMU_MCLK: 314 case SMU_UCLK: 315 feature_id = SMU_FEATURE_DPM_UCLK_BIT; 316 break; 317 case SMU_GFXCLK: 318 case SMU_SCLK: 319 feature_id = SMU_FEATURE_DPM_GFXCLK_BIT; 320 break; 321 case SMU_SOCCLK: 322 feature_id = SMU_FEATURE_DPM_SOCCLK_BIT; 323 break; 324 default: 325 return true; 326 } 327 328 if (!smu_cmn_feature_is_enabled(smu, feature_id)) 329 return false; 330 331 return true; 332 } 333 334 int smu_cmn_get_enabled_mask(struct smu_context *smu, 335 uint32_t *feature_mask, 336 uint32_t num) 337 { 338 uint32_t feature_mask_high = 0, feature_mask_low = 0; 339 struct smu_feature *feature = &smu->smu_feature; 340 int ret = 0; 341 342 if (!feature_mask || num < 2) 343 return -EINVAL; 344 345 if (bitmap_empty(feature->enabled, feature->feature_num)) { 346 ret = smu_cmn_send_smc_msg(smu, SMU_MSG_GetEnabledSmuFeaturesHigh, &feature_mask_high); 347 if (ret) 348 return ret; 349 350 ret = smu_cmn_send_smc_msg(smu, SMU_MSG_GetEnabledSmuFeaturesLow, &feature_mask_low); 351 if (ret) 352 return ret; 353 354 feature_mask[0] = feature_mask_low; 355 feature_mask[1] = feature_mask_high; 356 } else { 357 bitmap_copy((unsigned long *)feature_mask, feature->enabled, 358 feature->feature_num); 359 } 360 361 return ret; 362 } 363 364 int smu_cmn_get_enabled_32_bits_mask(struct smu_context *smu, 365 uint32_t *feature_mask, 366 uint32_t num) 367 { 368 uint32_t feature_mask_en_low = 0; 369 uint32_t feature_mask_en_high = 0; 370 struct smu_feature *feature = &smu->smu_feature; 371 int ret = 0; 372 373 if (!feature_mask || num < 2) 374 return -EINVAL; 375 376 if (bitmap_empty(feature->enabled, feature->feature_num)) { 377 ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_GetEnabledSmuFeatures, 0, 378 &feature_mask_en_low); 379 380 if (ret) 381 return ret; 382 383 ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_GetEnabledSmuFeatures, 1, 384 &feature_mask_en_high); 385 386 if (ret) 387 return ret; 388 389 feature_mask[0] = feature_mask_en_low; 390 feature_mask[1] = feature_mask_en_high; 391 392 } else { 393 bitmap_copy((unsigned long *)feature_mask, feature->enabled, 394 feature->feature_num); 395 } 396 397 return ret; 398 399 } 400 401 int smu_cmn_feature_update_enable_state(struct smu_context *smu, 402 uint64_t feature_mask, 403 bool enabled) 404 { 405 struct smu_feature *feature = &smu->smu_feature; 406 int ret = 0; 407 408 if (enabled) { 409 ret = smu_cmn_send_smc_msg_with_param(smu, 410 SMU_MSG_EnableSmuFeaturesLow, 411 lower_32_bits(feature_mask), 412 NULL); 413 if (ret) 414 return ret; 415 ret = smu_cmn_send_smc_msg_with_param(smu, 416 SMU_MSG_EnableSmuFeaturesHigh, 417 upper_32_bits(feature_mask), 418 NULL); 419 if (ret) 420 return ret; 421 } else { 422 ret = smu_cmn_send_smc_msg_with_param(smu, 423 SMU_MSG_DisableSmuFeaturesLow, 424 lower_32_bits(feature_mask), 425 NULL); 426 if (ret) 427 return ret; 428 ret = smu_cmn_send_smc_msg_with_param(smu, 429 SMU_MSG_DisableSmuFeaturesHigh, 430 upper_32_bits(feature_mask), 431 NULL); 432 if (ret) 433 return ret; 434 } 435 436 mutex_lock(&feature->mutex); 437 if (enabled) 438 bitmap_or(feature->enabled, feature->enabled, 439 (unsigned long *)(&feature_mask), SMU_FEATURE_MAX); 440 else 441 bitmap_andnot(feature->enabled, feature->enabled, 442 (unsigned long *)(&feature_mask), SMU_FEATURE_MAX); 443 mutex_unlock(&feature->mutex); 444 445 return ret; 446 } 447 448 int smu_cmn_feature_set_enabled(struct smu_context *smu, 449 enum smu_feature_mask mask, 450 bool enable) 451 { 452 struct smu_feature *feature = &smu->smu_feature; 453 int feature_id; 454 455 feature_id = smu_cmn_to_asic_specific_index(smu, 456 CMN2ASIC_MAPPING_FEATURE, 457 mask); 458 if (feature_id < 0) 459 return -EINVAL; 460 461 WARN_ON(feature_id > feature->feature_num); 462 463 return smu_cmn_feature_update_enable_state(smu, 464 1ULL << feature_id, 465 enable); 466 } 467 468 #undef __SMU_DUMMY_MAP 469 #define __SMU_DUMMY_MAP(fea) #fea 470 static const char* __smu_feature_names[] = { 471 SMU_FEATURE_MASKS 472 }; 473 474 static const char *smu_get_feature_name(struct smu_context *smu, 475 enum smu_feature_mask feature) 476 { 477 if (feature < 0 || feature >= SMU_FEATURE_COUNT) 478 return "unknown smu feature"; 479 return __smu_feature_names[feature]; 480 } 481 482 size_t smu_cmn_get_pp_feature_mask(struct smu_context *smu, 483 char *buf) 484 { 485 uint32_t feature_mask[2] = { 0 }; 486 int feature_index = 0; 487 uint32_t count = 0; 488 int8_t sort_feature[SMU_FEATURE_COUNT]; 489 size_t size = 0; 490 int ret = 0, i; 491 492 if (!smu->is_apu) { 493 ret = smu_cmn_get_enabled_mask(smu, 494 feature_mask, 495 2); 496 if (ret) 497 return 0; 498 } else { 499 ret = smu_cmn_get_enabled_32_bits_mask(smu, 500 feature_mask, 501 2); 502 if (ret) 503 return 0; 504 } 505 506 size = sprintf(buf + size, "features high: 0x%08x low: 0x%08x\n", 507 feature_mask[1], feature_mask[0]); 508 509 memset(sort_feature, -1, sizeof(sort_feature)); 510 511 for (i = 0; i < SMU_FEATURE_COUNT; i++) { 512 feature_index = smu_cmn_to_asic_specific_index(smu, 513 CMN2ASIC_MAPPING_FEATURE, 514 i); 515 if (feature_index < 0) 516 continue; 517 518 sort_feature[feature_index] = i; 519 } 520 521 size += sprintf(buf + size, "%-2s. %-20s %-3s : %-s\n", 522 "No", "Feature", "Bit", "State"); 523 524 for (i = 0; i < SMU_FEATURE_COUNT; i++) { 525 if (sort_feature[i] < 0) 526 continue; 527 528 size += sprintf(buf + size, "%02d. %-20s (%2d) : %s\n", 529 count++, 530 smu_get_feature_name(smu, sort_feature[i]), 531 i, 532 !!smu_cmn_feature_is_enabled(smu, sort_feature[i]) ? 533 "enabled" : "disabled"); 534 } 535 536 return size; 537 } 538 539 int smu_cmn_set_pp_feature_mask(struct smu_context *smu, 540 uint64_t new_mask) 541 { 542 int ret = 0; 543 uint32_t feature_mask[2] = { 0 }; 544 uint64_t feature_2_enabled = 0; 545 uint64_t feature_2_disabled = 0; 546 uint64_t feature_enables = 0; 547 548 ret = smu_cmn_get_enabled_mask(smu, 549 feature_mask, 550 2); 551 if (ret) 552 return ret; 553 554 feature_enables = ((uint64_t)feature_mask[1] << 32 | 555 (uint64_t)feature_mask[0]); 556 557 feature_2_enabled = ~feature_enables & new_mask; 558 feature_2_disabled = feature_enables & ~new_mask; 559 560 if (feature_2_enabled) { 561 ret = smu_cmn_feature_update_enable_state(smu, 562 feature_2_enabled, 563 true); 564 if (ret) 565 return ret; 566 } 567 if (feature_2_disabled) { 568 ret = smu_cmn_feature_update_enable_state(smu, 569 feature_2_disabled, 570 false); 571 if (ret) 572 return ret; 573 } 574 575 return ret; 576 } 577 578 int smu_cmn_disable_all_features_with_exception(struct smu_context *smu, 579 enum smu_feature_mask mask) 580 { 581 uint64_t features_to_disable = U64_MAX; 582 int skipped_feature_id; 583 584 skipped_feature_id = smu_cmn_to_asic_specific_index(smu, 585 CMN2ASIC_MAPPING_FEATURE, 586 mask); 587 if (skipped_feature_id < 0) 588 return -EINVAL; 589 590 features_to_disable &= ~(1ULL << skipped_feature_id); 591 592 return smu_cmn_feature_update_enable_state(smu, 593 features_to_disable, 594 0); 595 } 596 597 int smu_cmn_get_smc_version(struct smu_context *smu, 598 uint32_t *if_version, 599 uint32_t *smu_version) 600 { 601 int ret = 0; 602 603 if (!if_version && !smu_version) 604 return -EINVAL; 605 606 if (smu->smc_fw_if_version && smu->smc_fw_version) 607 { 608 if (if_version) 609 *if_version = smu->smc_fw_if_version; 610 611 if (smu_version) 612 *smu_version = smu->smc_fw_version; 613 614 return 0; 615 } 616 617 if (if_version) { 618 ret = smu_cmn_send_smc_msg(smu, SMU_MSG_GetDriverIfVersion, if_version); 619 if (ret) 620 return ret; 621 622 smu->smc_fw_if_version = *if_version; 623 } 624 625 if (smu_version) { 626 ret = smu_cmn_send_smc_msg(smu, SMU_MSG_GetSmuVersion, smu_version); 627 if (ret) 628 return ret; 629 630 smu->smc_fw_version = *smu_version; 631 } 632 633 return ret; 634 } 635 636 int smu_cmn_update_table(struct smu_context *smu, 637 enum smu_table_id table_index, 638 int argument, 639 void *table_data, 640 bool drv2smu) 641 { 642 struct smu_table_context *smu_table = &smu->smu_table; 643 struct amdgpu_device *adev = smu->adev; 644 struct smu_table *table = &smu_table->driver_table; 645 int table_id = smu_cmn_to_asic_specific_index(smu, 646 CMN2ASIC_MAPPING_TABLE, 647 table_index); 648 uint32_t table_size; 649 int ret = 0; 650 if (!table_data || table_id >= SMU_TABLE_COUNT || table_id < 0) 651 return -EINVAL; 652 653 table_size = smu_table->tables[table_index].size; 654 655 if (drv2smu) { 656 memcpy(table->cpu_addr, table_data, table_size); 657 /* 658 * Flush hdp cache: to guard the content seen by 659 * GPU is consitent with CPU. 660 */ 661 amdgpu_asic_flush_hdp(adev, NULL); 662 } 663 664 ret = smu_cmn_send_smc_msg_with_param(smu, drv2smu ? 665 SMU_MSG_TransferTableDram2Smu : 666 SMU_MSG_TransferTableSmu2Dram, 667 table_id | ((argument & 0xFFFF) << 16), 668 NULL); 669 if (ret) 670 return ret; 671 672 if (!drv2smu) { 673 amdgpu_asic_invalidate_hdp(adev, NULL); 674 memcpy(table_data, table->cpu_addr, table_size); 675 } 676 677 return 0; 678 } 679 680 int smu_cmn_write_watermarks_table(struct smu_context *smu) 681 { 682 void *watermarks_table = smu->smu_table.watermarks_table; 683 684 if (!watermarks_table) 685 return -EINVAL; 686 687 return smu_cmn_update_table(smu, 688 SMU_TABLE_WATERMARKS, 689 0, 690 watermarks_table, 691 true); 692 } 693 694 int smu_cmn_write_pptable(struct smu_context *smu) 695 { 696 void *pptable = smu->smu_table.driver_pptable; 697 698 return smu_cmn_update_table(smu, 699 SMU_TABLE_PPTABLE, 700 0, 701 pptable, 702 true); 703 } 704 705 int smu_cmn_get_metrics_table_locked(struct smu_context *smu, 706 void *metrics_table, 707 bool bypass_cache) 708 { 709 struct smu_table_context *smu_table= &smu->smu_table; 710 uint32_t table_size = 711 smu_table->tables[SMU_TABLE_SMU_METRICS].size; 712 int ret = 0; 713 714 if (bypass_cache || 715 !smu_table->metrics_time || 716 time_after(jiffies, smu_table->metrics_time + msecs_to_jiffies(1))) { 717 ret = smu_cmn_update_table(smu, 718 SMU_TABLE_SMU_METRICS, 719 0, 720 smu_table->metrics_table, 721 false); 722 if (ret) { 723 dev_info(smu->adev->dev, "Failed to export SMU metrics table!\n"); 724 return ret; 725 } 726 smu_table->metrics_time = jiffies; 727 } 728 729 if (metrics_table) 730 memcpy(metrics_table, smu_table->metrics_table, table_size); 731 732 return 0; 733 } 734 735 int smu_cmn_get_metrics_table(struct smu_context *smu, 736 void *metrics_table, 737 bool bypass_cache) 738 { 739 int ret = 0; 740 741 mutex_lock(&smu->metrics_lock); 742 ret = smu_cmn_get_metrics_table_locked(smu, 743 metrics_table, 744 bypass_cache); 745 mutex_unlock(&smu->metrics_lock); 746 747 return ret; 748 } 749 750 void smu_cmn_init_soft_gpu_metrics(void *table, uint8_t frev, uint8_t crev) 751 { 752 struct metrics_table_header *header = (struct metrics_table_header *)table; 753 uint16_t structure_size; 754 755 #define METRICS_VERSION(a, b) ((a << 16) | b ) 756 757 switch (METRICS_VERSION(frev, crev)) { 758 case METRICS_VERSION(1, 0): 759 structure_size = sizeof(struct gpu_metrics_v1_0); 760 break; 761 case METRICS_VERSION(2, 0): 762 structure_size = sizeof(struct gpu_metrics_v2_0); 763 break; 764 default: 765 return; 766 } 767 768 #undef METRICS_VERSION 769 770 memset(header, 0xFF, structure_size); 771 772 header->format_revision = frev; 773 header->content_revision = crev; 774 header->structure_size = structure_size; 775 776 } 777