1 /* 2 * Copyright 2019 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_L1 24 25 #include <linux/firmware.h> 26 #include <linux/pci.h> 27 28 #include "amdgpu.h" 29 #include "amdgpu_smu.h" 30 #include "smu_internal.h" 31 #include "atom.h" 32 #include "arcturus_ppt.h" 33 #include "navi10_ppt.h" 34 #include "sienna_cichlid_ppt.h" 35 #include "renoir_ppt.h" 36 #include "vangogh_ppt.h" 37 #include "aldebaran_ppt.h" 38 #include "yellow_carp_ppt.h" 39 #include "cyan_skillfish_ppt.h" 40 #include "smu_v13_0_0_ppt.h" 41 #include "smu_v13_0_4_ppt.h" 42 #include "smu_v13_0_5_ppt.h" 43 #include "smu_v13_0_7_ppt.h" 44 #include "amd_pcie.h" 45 46 /* 47 * DO NOT use these for err/warn/info/debug messages. 48 * Use dev_err, dev_warn, dev_info and dev_dbg instead. 49 * They are more MGPU friendly. 50 */ 51 #undef pr_err 52 #undef pr_warn 53 #undef pr_info 54 #undef pr_debug 55 56 static const struct amd_pm_funcs swsmu_pm_funcs; 57 static int smu_force_smuclk_levels(struct smu_context *smu, 58 enum smu_clk_type clk_type, 59 uint32_t mask); 60 static int smu_handle_task(struct smu_context *smu, 61 enum amd_dpm_forced_level level, 62 enum amd_pp_task task_id); 63 static int smu_reset(struct smu_context *smu); 64 static int smu_set_fan_speed_pwm(void *handle, u32 speed); 65 static int smu_set_fan_control_mode(void *handle, u32 value); 66 static int smu_set_power_limit(void *handle, uint32_t limit); 67 static int smu_set_fan_speed_rpm(void *handle, uint32_t speed); 68 static int smu_set_gfx_cgpg(struct smu_context *smu, bool enabled); 69 static int smu_set_mp1_state(void *handle, enum pp_mp1_state mp1_state); 70 71 static int smu_sys_get_pp_feature_mask(void *handle, 72 char *buf) 73 { 74 struct smu_context *smu = handle; 75 76 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 77 return -EOPNOTSUPP; 78 79 return smu_get_pp_feature_mask(smu, buf); 80 } 81 82 static int smu_sys_set_pp_feature_mask(void *handle, 83 uint64_t new_mask) 84 { 85 struct smu_context *smu = handle; 86 87 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 88 return -EOPNOTSUPP; 89 90 return smu_set_pp_feature_mask(smu, new_mask); 91 } 92 93 int smu_get_status_gfxoff(struct smu_context *smu, uint32_t *value) 94 { 95 if (!smu->ppt_funcs->get_gfx_off_status) 96 return -EINVAL; 97 98 *value = smu_get_gfx_off_status(smu); 99 100 return 0; 101 } 102 103 int smu_set_soft_freq_range(struct smu_context *smu, 104 enum smu_clk_type clk_type, 105 uint32_t min, 106 uint32_t max) 107 { 108 int ret = 0; 109 110 if (smu->ppt_funcs->set_soft_freq_limited_range) 111 ret = smu->ppt_funcs->set_soft_freq_limited_range(smu, 112 clk_type, 113 min, 114 max); 115 116 return ret; 117 } 118 119 int smu_get_dpm_freq_range(struct smu_context *smu, 120 enum smu_clk_type clk_type, 121 uint32_t *min, 122 uint32_t *max) 123 { 124 int ret = -ENOTSUPP; 125 126 if (!min && !max) 127 return -EINVAL; 128 129 if (smu->ppt_funcs->get_dpm_ultimate_freq) 130 ret = smu->ppt_funcs->get_dpm_ultimate_freq(smu, 131 clk_type, 132 min, 133 max); 134 135 return ret; 136 } 137 138 int smu_set_gfx_power_up_by_imu(struct smu_context *smu) 139 { 140 if (!smu->ppt_funcs && !smu->ppt_funcs->set_gfx_power_up_by_imu) 141 return -EOPNOTSUPP; 142 143 return smu->ppt_funcs->set_gfx_power_up_by_imu(smu); 144 } 145 146 static u32 smu_get_mclk(void *handle, bool low) 147 { 148 struct smu_context *smu = handle; 149 uint32_t clk_freq; 150 int ret = 0; 151 152 ret = smu_get_dpm_freq_range(smu, SMU_UCLK, 153 low ? &clk_freq : NULL, 154 !low ? &clk_freq : NULL); 155 if (ret) 156 return 0; 157 return clk_freq * 100; 158 } 159 160 static u32 smu_get_sclk(void *handle, bool low) 161 { 162 struct smu_context *smu = handle; 163 uint32_t clk_freq; 164 int ret = 0; 165 166 ret = smu_get_dpm_freq_range(smu, SMU_GFXCLK, 167 low ? &clk_freq : NULL, 168 !low ? &clk_freq : NULL); 169 if (ret) 170 return 0; 171 return clk_freq * 100; 172 } 173 174 static int smu_dpm_set_vcn_enable(struct smu_context *smu, 175 bool enable) 176 { 177 struct smu_power_context *smu_power = &smu->smu_power; 178 struct smu_power_gate *power_gate = &smu_power->power_gate; 179 int ret = 0; 180 181 if (!smu->ppt_funcs->dpm_set_vcn_enable) 182 return 0; 183 184 if (atomic_read(&power_gate->vcn_gated) ^ enable) 185 return 0; 186 187 ret = smu->ppt_funcs->dpm_set_vcn_enable(smu, enable); 188 if (!ret) 189 atomic_set(&power_gate->vcn_gated, !enable); 190 191 return ret; 192 } 193 194 static int smu_dpm_set_jpeg_enable(struct smu_context *smu, 195 bool enable) 196 { 197 struct smu_power_context *smu_power = &smu->smu_power; 198 struct smu_power_gate *power_gate = &smu_power->power_gate; 199 int ret = 0; 200 201 if (!smu->ppt_funcs->dpm_set_jpeg_enable) 202 return 0; 203 204 if (atomic_read(&power_gate->jpeg_gated) ^ enable) 205 return 0; 206 207 ret = smu->ppt_funcs->dpm_set_jpeg_enable(smu, enable); 208 if (!ret) 209 atomic_set(&power_gate->jpeg_gated, !enable); 210 211 return ret; 212 } 213 214 /** 215 * smu_dpm_set_power_gate - power gate/ungate the specific IP block 216 * 217 * @handle: smu_context pointer 218 * @block_type: the IP block to power gate/ungate 219 * @gate: to power gate if true, ungate otherwise 220 * 221 * This API uses no smu->mutex lock protection due to: 222 * 1. It is either called by other IP block(gfx/sdma/vcn/uvd/vce). 223 * This is guarded to be race condition free by the caller. 224 * 2. Or get called on user setting request of power_dpm_force_performance_level. 225 * Under this case, the smu->mutex lock protection is already enforced on 226 * the parent API smu_force_performance_level of the call path. 227 */ 228 static int smu_dpm_set_power_gate(void *handle, 229 uint32_t block_type, 230 bool gate) 231 { 232 struct smu_context *smu = handle; 233 int ret = 0; 234 235 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) { 236 dev_WARN(smu->adev->dev, 237 "SMU uninitialized but power %s requested for %u!\n", 238 gate ? "gate" : "ungate", block_type); 239 return -EOPNOTSUPP; 240 } 241 242 switch (block_type) { 243 /* 244 * Some legacy code of amdgpu_vcn.c and vcn_v2*.c still uses 245 * AMD_IP_BLOCK_TYPE_UVD for VCN. So, here both of them are kept. 246 */ 247 case AMD_IP_BLOCK_TYPE_UVD: 248 case AMD_IP_BLOCK_TYPE_VCN: 249 ret = smu_dpm_set_vcn_enable(smu, !gate); 250 if (ret) 251 dev_err(smu->adev->dev, "Failed to power %s VCN!\n", 252 gate ? "gate" : "ungate"); 253 break; 254 case AMD_IP_BLOCK_TYPE_GFX: 255 ret = smu_gfx_off_control(smu, gate); 256 if (ret) 257 dev_err(smu->adev->dev, "Failed to %s gfxoff!\n", 258 gate ? "enable" : "disable"); 259 break; 260 case AMD_IP_BLOCK_TYPE_SDMA: 261 ret = smu_powergate_sdma(smu, gate); 262 if (ret) 263 dev_err(smu->adev->dev, "Failed to power %s SDMA!\n", 264 gate ? "gate" : "ungate"); 265 break; 266 case AMD_IP_BLOCK_TYPE_JPEG: 267 ret = smu_dpm_set_jpeg_enable(smu, !gate); 268 if (ret) 269 dev_err(smu->adev->dev, "Failed to power %s JPEG!\n", 270 gate ? "gate" : "ungate"); 271 break; 272 default: 273 dev_err(smu->adev->dev, "Unsupported block type!\n"); 274 return -EINVAL; 275 } 276 277 return ret; 278 } 279 280 /** 281 * smu_set_user_clk_dependencies - set user profile clock dependencies 282 * 283 * @smu: smu_context pointer 284 * @clk: enum smu_clk_type type 285 * 286 * Enable/Disable the clock dependency for the @clk type. 287 */ 288 static void smu_set_user_clk_dependencies(struct smu_context *smu, enum smu_clk_type clk) 289 { 290 if (smu->adev->in_suspend) 291 return; 292 293 if (clk == SMU_MCLK) { 294 smu->user_dpm_profile.clk_dependency = 0; 295 smu->user_dpm_profile.clk_dependency = BIT(SMU_FCLK) | BIT(SMU_SOCCLK); 296 } else if (clk == SMU_FCLK) { 297 /* MCLK takes precedence over FCLK */ 298 if (smu->user_dpm_profile.clk_dependency == (BIT(SMU_FCLK) | BIT(SMU_SOCCLK))) 299 return; 300 301 smu->user_dpm_profile.clk_dependency = 0; 302 smu->user_dpm_profile.clk_dependency = BIT(SMU_MCLK) | BIT(SMU_SOCCLK); 303 } else if (clk == SMU_SOCCLK) { 304 /* MCLK takes precedence over SOCCLK */ 305 if (smu->user_dpm_profile.clk_dependency == (BIT(SMU_FCLK) | BIT(SMU_SOCCLK))) 306 return; 307 308 smu->user_dpm_profile.clk_dependency = 0; 309 smu->user_dpm_profile.clk_dependency = BIT(SMU_MCLK) | BIT(SMU_FCLK); 310 } else 311 /* Add clk dependencies here, if any */ 312 return; 313 } 314 315 /** 316 * smu_restore_dpm_user_profile - reinstate user dpm profile 317 * 318 * @smu: smu_context pointer 319 * 320 * Restore the saved user power configurations include power limit, 321 * clock frequencies, fan control mode and fan speed. 322 */ 323 static void smu_restore_dpm_user_profile(struct smu_context *smu) 324 { 325 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm); 326 int ret = 0; 327 328 if (!smu->adev->in_suspend) 329 return; 330 331 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 332 return; 333 334 /* Enable restore flag */ 335 smu->user_dpm_profile.flags |= SMU_DPM_USER_PROFILE_RESTORE; 336 337 /* set the user dpm power limit */ 338 if (smu->user_dpm_profile.power_limit) { 339 ret = smu_set_power_limit(smu, smu->user_dpm_profile.power_limit); 340 if (ret) 341 dev_err(smu->adev->dev, "Failed to set power limit value\n"); 342 } 343 344 /* set the user dpm clock configurations */ 345 if (smu_dpm_ctx->dpm_level == AMD_DPM_FORCED_LEVEL_MANUAL) { 346 enum smu_clk_type clk_type; 347 348 for (clk_type = 0; clk_type < SMU_CLK_COUNT; clk_type++) { 349 /* 350 * Iterate over smu clk type and force the saved user clk 351 * configs, skip if clock dependency is enabled 352 */ 353 if (!(smu->user_dpm_profile.clk_dependency & BIT(clk_type)) && 354 smu->user_dpm_profile.clk_mask[clk_type]) { 355 ret = smu_force_smuclk_levels(smu, clk_type, 356 smu->user_dpm_profile.clk_mask[clk_type]); 357 if (ret) 358 dev_err(smu->adev->dev, 359 "Failed to set clock type = %d\n", clk_type); 360 } 361 } 362 } 363 364 /* set the user dpm fan configurations */ 365 if (smu->user_dpm_profile.fan_mode == AMD_FAN_CTRL_MANUAL || 366 smu->user_dpm_profile.fan_mode == AMD_FAN_CTRL_NONE) { 367 ret = smu_set_fan_control_mode(smu, smu->user_dpm_profile.fan_mode); 368 if (ret != -EOPNOTSUPP) { 369 smu->user_dpm_profile.fan_speed_pwm = 0; 370 smu->user_dpm_profile.fan_speed_rpm = 0; 371 smu->user_dpm_profile.fan_mode = AMD_FAN_CTRL_AUTO; 372 dev_err(smu->adev->dev, "Failed to set manual fan control mode\n"); 373 } 374 375 if (smu->user_dpm_profile.fan_speed_pwm) { 376 ret = smu_set_fan_speed_pwm(smu, smu->user_dpm_profile.fan_speed_pwm); 377 if (ret != -EOPNOTSUPP) 378 dev_err(smu->adev->dev, "Failed to set manual fan speed in pwm\n"); 379 } 380 381 if (smu->user_dpm_profile.fan_speed_rpm) { 382 ret = smu_set_fan_speed_rpm(smu, smu->user_dpm_profile.fan_speed_rpm); 383 if (ret != -EOPNOTSUPP) 384 dev_err(smu->adev->dev, "Failed to set manual fan speed in rpm\n"); 385 } 386 } 387 388 /* Restore user customized OD settings */ 389 if (smu->user_dpm_profile.user_od) { 390 if (smu->ppt_funcs->restore_user_od_settings) { 391 ret = smu->ppt_funcs->restore_user_od_settings(smu); 392 if (ret) 393 dev_err(smu->adev->dev, "Failed to upload customized OD settings\n"); 394 } 395 } 396 397 /* Disable restore flag */ 398 smu->user_dpm_profile.flags &= ~SMU_DPM_USER_PROFILE_RESTORE; 399 } 400 401 static int smu_get_power_num_states(void *handle, 402 struct pp_states_info *state_info) 403 { 404 if (!state_info) 405 return -EINVAL; 406 407 /* not support power state */ 408 memset(state_info, 0, sizeof(struct pp_states_info)); 409 state_info->nums = 1; 410 state_info->states[0] = POWER_STATE_TYPE_DEFAULT; 411 412 return 0; 413 } 414 415 bool is_support_sw_smu(struct amdgpu_device *adev) 416 { 417 /* vega20 is 11.0.2, but it's supported via the powerplay code */ 418 if (adev->asic_type == CHIP_VEGA20) 419 return false; 420 421 if (adev->ip_versions[MP1_HWIP][0] >= IP_VERSION(11, 0, 0)) 422 return true; 423 424 return false; 425 } 426 427 bool is_support_cclk_dpm(struct amdgpu_device *adev) 428 { 429 struct smu_context *smu = adev->powerplay.pp_handle; 430 431 if (!smu_feature_is_enabled(smu, SMU_FEATURE_CCLK_DPM_BIT)) 432 return false; 433 434 return true; 435 } 436 437 438 static int smu_sys_get_pp_table(void *handle, 439 char **table) 440 { 441 struct smu_context *smu = handle; 442 struct smu_table_context *smu_table = &smu->smu_table; 443 444 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 445 return -EOPNOTSUPP; 446 447 if (!smu_table->power_play_table && !smu_table->hardcode_pptable) 448 return -EINVAL; 449 450 if (smu_table->hardcode_pptable) 451 *table = smu_table->hardcode_pptable; 452 else 453 *table = smu_table->power_play_table; 454 455 return smu_table->power_play_table_size; 456 } 457 458 static int smu_sys_set_pp_table(void *handle, 459 const char *buf, 460 size_t size) 461 { 462 struct smu_context *smu = handle; 463 struct smu_table_context *smu_table = &smu->smu_table; 464 ATOM_COMMON_TABLE_HEADER *header = (ATOM_COMMON_TABLE_HEADER *)buf; 465 int ret = 0; 466 467 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 468 return -EOPNOTSUPP; 469 470 if (header->usStructureSize != size) { 471 dev_err(smu->adev->dev, "pp table size not matched !\n"); 472 return -EIO; 473 } 474 475 if (!smu_table->hardcode_pptable) { 476 smu_table->hardcode_pptable = kzalloc(size, GFP_KERNEL); 477 if (!smu_table->hardcode_pptable) 478 return -ENOMEM; 479 } 480 481 memcpy(smu_table->hardcode_pptable, buf, size); 482 smu_table->power_play_table = smu_table->hardcode_pptable; 483 smu_table->power_play_table_size = size; 484 485 /* 486 * Special hw_fini action(for Navi1x, the DPMs disablement will be 487 * skipped) may be needed for custom pptable uploading. 488 */ 489 smu->uploading_custom_pp_table = true; 490 491 ret = smu_reset(smu); 492 if (ret) 493 dev_info(smu->adev->dev, "smu reset failed, ret = %d\n", ret); 494 495 smu->uploading_custom_pp_table = false; 496 497 return ret; 498 } 499 500 static int smu_get_driver_allowed_feature_mask(struct smu_context *smu) 501 { 502 struct smu_feature *feature = &smu->smu_feature; 503 uint32_t allowed_feature_mask[SMU_FEATURE_MAX/32]; 504 int ret = 0; 505 506 /* 507 * With SCPM enabled, the allowed featuremasks setting(via 508 * PPSMC_MSG_SetAllowedFeaturesMaskLow/High) is not permitted. 509 * That means there is no way to let PMFW knows the settings below. 510 * Thus, we just assume all the features are allowed under 511 * such scenario. 512 */ 513 if (smu->adev->scpm_enabled) { 514 bitmap_fill(feature->allowed, SMU_FEATURE_MAX); 515 return 0; 516 } 517 518 bitmap_zero(feature->allowed, SMU_FEATURE_MAX); 519 520 ret = smu_get_allowed_feature_mask(smu, allowed_feature_mask, 521 SMU_FEATURE_MAX/32); 522 if (ret) 523 return ret; 524 525 bitmap_or(feature->allowed, feature->allowed, 526 (unsigned long *)allowed_feature_mask, 527 feature->feature_num); 528 529 return ret; 530 } 531 532 static int smu_set_funcs(struct amdgpu_device *adev) 533 { 534 struct smu_context *smu = adev->powerplay.pp_handle; 535 536 if (adev->pm.pp_feature & PP_OVERDRIVE_MASK) 537 smu->od_enabled = true; 538 539 switch (adev->ip_versions[MP1_HWIP][0]) { 540 case IP_VERSION(11, 0, 0): 541 case IP_VERSION(11, 0, 5): 542 case IP_VERSION(11, 0, 9): 543 navi10_set_ppt_funcs(smu); 544 break; 545 case IP_VERSION(11, 0, 7): 546 case IP_VERSION(11, 0, 11): 547 case IP_VERSION(11, 0, 12): 548 case IP_VERSION(11, 0, 13): 549 sienna_cichlid_set_ppt_funcs(smu); 550 break; 551 case IP_VERSION(12, 0, 0): 552 case IP_VERSION(12, 0, 1): 553 renoir_set_ppt_funcs(smu); 554 break; 555 case IP_VERSION(11, 5, 0): 556 vangogh_set_ppt_funcs(smu); 557 break; 558 case IP_VERSION(13, 0, 1): 559 case IP_VERSION(13, 0, 3): 560 case IP_VERSION(13, 0, 8): 561 yellow_carp_set_ppt_funcs(smu); 562 break; 563 case IP_VERSION(13, 0, 4): 564 smu_v13_0_4_set_ppt_funcs(smu); 565 break; 566 case IP_VERSION(13, 0, 5): 567 smu_v13_0_5_set_ppt_funcs(smu); 568 break; 569 case IP_VERSION(11, 0, 8): 570 cyan_skillfish_set_ppt_funcs(smu); 571 break; 572 case IP_VERSION(11, 0, 2): 573 adev->pm.pp_feature &= ~PP_GFXOFF_MASK; 574 arcturus_set_ppt_funcs(smu); 575 /* OD is not supported on Arcturus */ 576 smu->od_enabled =false; 577 break; 578 case IP_VERSION(13, 0, 2): 579 aldebaran_set_ppt_funcs(smu); 580 /* Enable pp_od_clk_voltage node */ 581 smu->od_enabled = true; 582 break; 583 case IP_VERSION(13, 0, 0): 584 smu_v13_0_0_set_ppt_funcs(smu); 585 break; 586 case IP_VERSION(13, 0, 7): 587 smu_v13_0_7_set_ppt_funcs(smu); 588 break; 589 default: 590 return -EINVAL; 591 } 592 593 return 0; 594 } 595 596 static int smu_early_init(void *handle) 597 { 598 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 599 struct smu_context *smu; 600 601 smu = kzalloc(sizeof(struct smu_context), GFP_KERNEL); 602 if (!smu) 603 return -ENOMEM; 604 605 smu->adev = adev; 606 smu->pm_enabled = !!amdgpu_dpm; 607 smu->is_apu = false; 608 smu->smu_baco.state = SMU_BACO_STATE_EXIT; 609 smu->smu_baco.platform_support = false; 610 smu->user_dpm_profile.fan_mode = -1; 611 612 mutex_init(&smu->message_lock); 613 614 adev->powerplay.pp_handle = smu; 615 adev->powerplay.pp_funcs = &swsmu_pm_funcs; 616 617 return smu_set_funcs(adev); 618 } 619 620 static int smu_set_default_dpm_table(struct smu_context *smu) 621 { 622 struct smu_power_context *smu_power = &smu->smu_power; 623 struct smu_power_gate *power_gate = &smu_power->power_gate; 624 int vcn_gate, jpeg_gate; 625 int ret = 0; 626 627 if (!smu->ppt_funcs->set_default_dpm_table) 628 return 0; 629 630 vcn_gate = atomic_read(&power_gate->vcn_gated); 631 jpeg_gate = atomic_read(&power_gate->jpeg_gated); 632 633 ret = smu_dpm_set_vcn_enable(smu, true); 634 if (ret) 635 return ret; 636 637 ret = smu_dpm_set_jpeg_enable(smu, true); 638 if (ret) 639 goto err_out; 640 641 ret = smu->ppt_funcs->set_default_dpm_table(smu); 642 if (ret) 643 dev_err(smu->adev->dev, 644 "Failed to setup default dpm clock tables!\n"); 645 646 smu_dpm_set_jpeg_enable(smu, !jpeg_gate); 647 err_out: 648 smu_dpm_set_vcn_enable(smu, !vcn_gate); 649 return ret; 650 } 651 652 static int smu_apply_default_config_table_settings(struct smu_context *smu) 653 { 654 struct amdgpu_device *adev = smu->adev; 655 int ret = 0; 656 657 ret = smu_get_default_config_table_settings(smu, 658 &adev->pm.config_table); 659 if (ret) 660 return ret; 661 662 return smu_set_config_table(smu, &adev->pm.config_table); 663 } 664 665 static int smu_late_init(void *handle) 666 { 667 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 668 struct smu_context *smu = adev->powerplay.pp_handle; 669 int ret = 0; 670 671 smu_set_fine_grain_gfx_freq_parameters(smu); 672 673 if (!smu->pm_enabled) 674 return 0; 675 676 ret = smu_post_init(smu); 677 if (ret) { 678 dev_err(adev->dev, "Failed to post smu init!\n"); 679 return ret; 680 } 681 682 if ((adev->ip_versions[MP1_HWIP][0] == IP_VERSION(13, 0, 1)) || 683 (adev->ip_versions[MP1_HWIP][0] == IP_VERSION(13, 0, 3))) 684 return 0; 685 686 if (!amdgpu_sriov_vf(adev) || smu->od_enabled) { 687 ret = smu_set_default_od_settings(smu); 688 if (ret) { 689 dev_err(adev->dev, "Failed to setup default OD settings!\n"); 690 return ret; 691 } 692 } 693 694 ret = smu_populate_umd_state_clk(smu); 695 if (ret) { 696 dev_err(adev->dev, "Failed to populate UMD state clocks!\n"); 697 return ret; 698 } 699 700 ret = smu_get_asic_power_limits(smu, 701 &smu->current_power_limit, 702 &smu->default_power_limit, 703 &smu->max_power_limit); 704 if (ret) { 705 dev_err(adev->dev, "Failed to get asic power limits!\n"); 706 return ret; 707 } 708 709 if (!amdgpu_sriov_vf(adev)) 710 smu_get_unique_id(smu); 711 712 smu_get_fan_parameters(smu); 713 714 smu_handle_task(smu, 715 smu->smu_dpm.dpm_level, 716 AMD_PP_TASK_COMPLETE_INIT); 717 718 ret = smu_apply_default_config_table_settings(smu); 719 if (ret && (ret != -EOPNOTSUPP)) { 720 dev_err(adev->dev, "Failed to apply default DriverSmuConfig settings!\n"); 721 return ret; 722 } 723 724 smu_restore_dpm_user_profile(smu); 725 726 return 0; 727 } 728 729 static int smu_init_fb_allocations(struct smu_context *smu) 730 { 731 struct amdgpu_device *adev = smu->adev; 732 struct smu_table_context *smu_table = &smu->smu_table; 733 struct smu_table *tables = smu_table->tables; 734 struct smu_table *driver_table = &(smu_table->driver_table); 735 uint32_t max_table_size = 0; 736 int ret, i; 737 738 /* VRAM allocation for tool table */ 739 if (tables[SMU_TABLE_PMSTATUSLOG].size) { 740 ret = amdgpu_bo_create_kernel(adev, 741 tables[SMU_TABLE_PMSTATUSLOG].size, 742 tables[SMU_TABLE_PMSTATUSLOG].align, 743 tables[SMU_TABLE_PMSTATUSLOG].domain, 744 &tables[SMU_TABLE_PMSTATUSLOG].bo, 745 &tables[SMU_TABLE_PMSTATUSLOG].mc_address, 746 &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr); 747 if (ret) { 748 dev_err(adev->dev, "VRAM allocation for tool table failed!\n"); 749 return ret; 750 } 751 } 752 753 /* VRAM allocation for driver table */ 754 for (i = 0; i < SMU_TABLE_COUNT; i++) { 755 if (tables[i].size == 0) 756 continue; 757 758 if (i == SMU_TABLE_PMSTATUSLOG) 759 continue; 760 761 if (max_table_size < tables[i].size) 762 max_table_size = tables[i].size; 763 } 764 765 driver_table->size = max_table_size; 766 driver_table->align = PAGE_SIZE; 767 driver_table->domain = AMDGPU_GEM_DOMAIN_VRAM; 768 769 ret = amdgpu_bo_create_kernel(adev, 770 driver_table->size, 771 driver_table->align, 772 driver_table->domain, 773 &driver_table->bo, 774 &driver_table->mc_address, 775 &driver_table->cpu_addr); 776 if (ret) { 777 dev_err(adev->dev, "VRAM allocation for driver table failed!\n"); 778 if (tables[SMU_TABLE_PMSTATUSLOG].mc_address) 779 amdgpu_bo_free_kernel(&tables[SMU_TABLE_PMSTATUSLOG].bo, 780 &tables[SMU_TABLE_PMSTATUSLOG].mc_address, 781 &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr); 782 } 783 784 return ret; 785 } 786 787 static int smu_fini_fb_allocations(struct smu_context *smu) 788 { 789 struct smu_table_context *smu_table = &smu->smu_table; 790 struct smu_table *tables = smu_table->tables; 791 struct smu_table *driver_table = &(smu_table->driver_table); 792 793 if (tables[SMU_TABLE_PMSTATUSLOG].mc_address) 794 amdgpu_bo_free_kernel(&tables[SMU_TABLE_PMSTATUSLOG].bo, 795 &tables[SMU_TABLE_PMSTATUSLOG].mc_address, 796 &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr); 797 798 amdgpu_bo_free_kernel(&driver_table->bo, 799 &driver_table->mc_address, 800 &driver_table->cpu_addr); 801 802 return 0; 803 } 804 805 /** 806 * smu_alloc_memory_pool - allocate memory pool in the system memory 807 * 808 * @smu: amdgpu_device pointer 809 * 810 * This memory pool will be used for SMC use and msg SetSystemVirtualDramAddr 811 * and DramLogSetDramAddr can notify it changed. 812 * 813 * Returns 0 on success, error on failure. 814 */ 815 static int smu_alloc_memory_pool(struct smu_context *smu) 816 { 817 struct amdgpu_device *adev = smu->adev; 818 struct smu_table_context *smu_table = &smu->smu_table; 819 struct smu_table *memory_pool = &smu_table->memory_pool; 820 uint64_t pool_size = smu->pool_size; 821 int ret = 0; 822 823 if (pool_size == SMU_MEMORY_POOL_SIZE_ZERO) 824 return ret; 825 826 memory_pool->size = pool_size; 827 memory_pool->align = PAGE_SIZE; 828 memory_pool->domain = AMDGPU_GEM_DOMAIN_GTT; 829 830 switch (pool_size) { 831 case SMU_MEMORY_POOL_SIZE_256_MB: 832 case SMU_MEMORY_POOL_SIZE_512_MB: 833 case SMU_MEMORY_POOL_SIZE_1_GB: 834 case SMU_MEMORY_POOL_SIZE_2_GB: 835 ret = amdgpu_bo_create_kernel(adev, 836 memory_pool->size, 837 memory_pool->align, 838 memory_pool->domain, 839 &memory_pool->bo, 840 &memory_pool->mc_address, 841 &memory_pool->cpu_addr); 842 if (ret) 843 dev_err(adev->dev, "VRAM allocation for dramlog failed!\n"); 844 break; 845 default: 846 break; 847 } 848 849 return ret; 850 } 851 852 static int smu_free_memory_pool(struct smu_context *smu) 853 { 854 struct smu_table_context *smu_table = &smu->smu_table; 855 struct smu_table *memory_pool = &smu_table->memory_pool; 856 857 if (memory_pool->size == SMU_MEMORY_POOL_SIZE_ZERO) 858 return 0; 859 860 amdgpu_bo_free_kernel(&memory_pool->bo, 861 &memory_pool->mc_address, 862 &memory_pool->cpu_addr); 863 864 memset(memory_pool, 0, sizeof(struct smu_table)); 865 866 return 0; 867 } 868 869 static int smu_alloc_dummy_read_table(struct smu_context *smu) 870 { 871 struct smu_table_context *smu_table = &smu->smu_table; 872 struct smu_table *dummy_read_1_table = 873 &smu_table->dummy_read_1_table; 874 struct amdgpu_device *adev = smu->adev; 875 int ret = 0; 876 877 dummy_read_1_table->size = 0x40000; 878 dummy_read_1_table->align = PAGE_SIZE; 879 dummy_read_1_table->domain = AMDGPU_GEM_DOMAIN_VRAM; 880 881 ret = amdgpu_bo_create_kernel(adev, 882 dummy_read_1_table->size, 883 dummy_read_1_table->align, 884 dummy_read_1_table->domain, 885 &dummy_read_1_table->bo, 886 &dummy_read_1_table->mc_address, 887 &dummy_read_1_table->cpu_addr); 888 if (ret) 889 dev_err(adev->dev, "VRAM allocation for dummy read table failed!\n"); 890 891 return ret; 892 } 893 894 static void smu_free_dummy_read_table(struct smu_context *smu) 895 { 896 struct smu_table_context *smu_table = &smu->smu_table; 897 struct smu_table *dummy_read_1_table = 898 &smu_table->dummy_read_1_table; 899 900 901 amdgpu_bo_free_kernel(&dummy_read_1_table->bo, 902 &dummy_read_1_table->mc_address, 903 &dummy_read_1_table->cpu_addr); 904 905 memset(dummy_read_1_table, 0, sizeof(struct smu_table)); 906 } 907 908 static int smu_smc_table_sw_init(struct smu_context *smu) 909 { 910 int ret; 911 912 /** 913 * Create smu_table structure, and init smc tables such as 914 * TABLE_PPTABLE, TABLE_WATERMARKS, TABLE_SMU_METRICS, and etc. 915 */ 916 ret = smu_init_smc_tables(smu); 917 if (ret) { 918 dev_err(smu->adev->dev, "Failed to init smc tables!\n"); 919 return ret; 920 } 921 922 /** 923 * Create smu_power_context structure, and allocate smu_dpm_context and 924 * context size to fill the smu_power_context data. 925 */ 926 ret = smu_init_power(smu); 927 if (ret) { 928 dev_err(smu->adev->dev, "Failed to init smu_init_power!\n"); 929 return ret; 930 } 931 932 /* 933 * allocate vram bos to store smc table contents. 934 */ 935 ret = smu_init_fb_allocations(smu); 936 if (ret) 937 return ret; 938 939 ret = smu_alloc_memory_pool(smu); 940 if (ret) 941 return ret; 942 943 ret = smu_alloc_dummy_read_table(smu); 944 if (ret) 945 return ret; 946 947 ret = smu_i2c_init(smu); 948 if (ret) 949 return ret; 950 951 return 0; 952 } 953 954 static int smu_smc_table_sw_fini(struct smu_context *smu) 955 { 956 int ret; 957 958 smu_i2c_fini(smu); 959 960 smu_free_dummy_read_table(smu); 961 962 ret = smu_free_memory_pool(smu); 963 if (ret) 964 return ret; 965 966 ret = smu_fini_fb_allocations(smu); 967 if (ret) 968 return ret; 969 970 ret = smu_fini_power(smu); 971 if (ret) { 972 dev_err(smu->adev->dev, "Failed to init smu_fini_power!\n"); 973 return ret; 974 } 975 976 ret = smu_fini_smc_tables(smu); 977 if (ret) { 978 dev_err(smu->adev->dev, "Failed to smu_fini_smc_tables!\n"); 979 return ret; 980 } 981 982 return 0; 983 } 984 985 static void smu_throttling_logging_work_fn(struct work_struct *work) 986 { 987 struct smu_context *smu = container_of(work, struct smu_context, 988 throttling_logging_work); 989 990 smu_log_thermal_throttling(smu); 991 } 992 993 static void smu_interrupt_work_fn(struct work_struct *work) 994 { 995 struct smu_context *smu = container_of(work, struct smu_context, 996 interrupt_work); 997 998 if (smu->ppt_funcs && smu->ppt_funcs->interrupt_work) 999 smu->ppt_funcs->interrupt_work(smu); 1000 } 1001 1002 static int smu_sw_init(void *handle) 1003 { 1004 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1005 struct smu_context *smu = adev->powerplay.pp_handle; 1006 int ret; 1007 1008 smu->pool_size = adev->pm.smu_prv_buffer_size; 1009 smu->smu_feature.feature_num = SMU_FEATURE_MAX; 1010 bitmap_zero(smu->smu_feature.supported, SMU_FEATURE_MAX); 1011 bitmap_zero(smu->smu_feature.allowed, SMU_FEATURE_MAX); 1012 1013 INIT_WORK(&smu->throttling_logging_work, smu_throttling_logging_work_fn); 1014 INIT_WORK(&smu->interrupt_work, smu_interrupt_work_fn); 1015 atomic64_set(&smu->throttle_int_counter, 0); 1016 smu->watermarks_bitmap = 0; 1017 smu->power_profile_mode = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT; 1018 smu->default_power_profile_mode = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT; 1019 1020 atomic_set(&smu->smu_power.power_gate.vcn_gated, 1); 1021 atomic_set(&smu->smu_power.power_gate.jpeg_gated, 1); 1022 1023 smu->workload_mask = 1 << smu->workload_prority[PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT]; 1024 smu->workload_prority[PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT] = 0; 1025 smu->workload_prority[PP_SMC_POWER_PROFILE_FULLSCREEN3D] = 1; 1026 smu->workload_prority[PP_SMC_POWER_PROFILE_POWERSAVING] = 2; 1027 smu->workload_prority[PP_SMC_POWER_PROFILE_VIDEO] = 3; 1028 smu->workload_prority[PP_SMC_POWER_PROFILE_VR] = 4; 1029 smu->workload_prority[PP_SMC_POWER_PROFILE_COMPUTE] = 5; 1030 smu->workload_prority[PP_SMC_POWER_PROFILE_CUSTOM] = 6; 1031 1032 smu->workload_setting[0] = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT; 1033 smu->workload_setting[1] = PP_SMC_POWER_PROFILE_FULLSCREEN3D; 1034 smu->workload_setting[2] = PP_SMC_POWER_PROFILE_POWERSAVING; 1035 smu->workload_setting[3] = PP_SMC_POWER_PROFILE_VIDEO; 1036 smu->workload_setting[4] = PP_SMC_POWER_PROFILE_VR; 1037 smu->workload_setting[5] = PP_SMC_POWER_PROFILE_COMPUTE; 1038 smu->workload_setting[6] = PP_SMC_POWER_PROFILE_CUSTOM; 1039 smu->display_config = &adev->pm.pm_display_cfg; 1040 1041 smu->smu_dpm.dpm_level = AMD_DPM_FORCED_LEVEL_AUTO; 1042 smu->smu_dpm.requested_dpm_level = AMD_DPM_FORCED_LEVEL_AUTO; 1043 1044 ret = smu_init_microcode(smu); 1045 if (ret) { 1046 dev_err(adev->dev, "Failed to load smu firmware!\n"); 1047 return ret; 1048 } 1049 1050 ret = smu_smc_table_sw_init(smu); 1051 if (ret) { 1052 dev_err(adev->dev, "Failed to sw init smc table!\n"); 1053 return ret; 1054 } 1055 1056 /* get boot_values from vbios to set revision, gfxclk, and etc. */ 1057 ret = smu_get_vbios_bootup_values(smu); 1058 if (ret) { 1059 dev_err(adev->dev, "Failed to get VBIOS boot clock values!\n"); 1060 return ret; 1061 } 1062 1063 ret = smu_init_pptable_microcode(smu); 1064 if (ret) { 1065 dev_err(adev->dev, "Failed to setup pptable firmware!\n"); 1066 return ret; 1067 } 1068 1069 ret = smu_register_irq_handler(smu); 1070 if (ret) { 1071 dev_err(adev->dev, "Failed to register smc irq handler!\n"); 1072 return ret; 1073 } 1074 1075 /* If there is no way to query fan control mode, fan control is not supported */ 1076 if (!smu->ppt_funcs->get_fan_control_mode) 1077 smu->adev->pm.no_fan = true; 1078 1079 return 0; 1080 } 1081 1082 static int smu_sw_fini(void *handle) 1083 { 1084 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1085 struct smu_context *smu = adev->powerplay.pp_handle; 1086 int ret; 1087 1088 ret = smu_smc_table_sw_fini(smu); 1089 if (ret) { 1090 dev_err(adev->dev, "Failed to sw fini smc table!\n"); 1091 return ret; 1092 } 1093 1094 smu_fini_microcode(smu); 1095 1096 return 0; 1097 } 1098 1099 static int smu_get_thermal_temperature_range(struct smu_context *smu) 1100 { 1101 struct amdgpu_device *adev = smu->adev; 1102 struct smu_temperature_range *range = 1103 &smu->thermal_range; 1104 int ret = 0; 1105 1106 if (!smu->ppt_funcs->get_thermal_temperature_range) 1107 return 0; 1108 1109 ret = smu->ppt_funcs->get_thermal_temperature_range(smu, range); 1110 if (ret) 1111 return ret; 1112 1113 adev->pm.dpm.thermal.min_temp = range->min; 1114 adev->pm.dpm.thermal.max_temp = range->max; 1115 adev->pm.dpm.thermal.max_edge_emergency_temp = range->edge_emergency_max; 1116 adev->pm.dpm.thermal.min_hotspot_temp = range->hotspot_min; 1117 adev->pm.dpm.thermal.max_hotspot_crit_temp = range->hotspot_crit_max; 1118 adev->pm.dpm.thermal.max_hotspot_emergency_temp = range->hotspot_emergency_max; 1119 adev->pm.dpm.thermal.min_mem_temp = range->mem_min; 1120 adev->pm.dpm.thermal.max_mem_crit_temp = range->mem_crit_max; 1121 adev->pm.dpm.thermal.max_mem_emergency_temp = range->mem_emergency_max; 1122 1123 return ret; 1124 } 1125 1126 static int smu_smc_hw_setup(struct smu_context *smu) 1127 { 1128 struct smu_feature *feature = &smu->smu_feature; 1129 struct amdgpu_device *adev = smu->adev; 1130 uint32_t pcie_gen = 0, pcie_width = 0; 1131 uint64_t features_supported; 1132 int ret = 0; 1133 1134 if (adev->in_suspend && smu_is_dpm_running(smu)) { 1135 dev_info(adev->dev, "dpm has been enabled\n"); 1136 /* this is needed specifically */ 1137 switch (adev->ip_versions[MP1_HWIP][0]) { 1138 case IP_VERSION(11, 0, 7): 1139 case IP_VERSION(11, 0, 11): 1140 case IP_VERSION(11, 5, 0): 1141 case IP_VERSION(11, 0, 12): 1142 ret = smu_system_features_control(smu, true); 1143 if (ret) 1144 dev_err(adev->dev, "Failed system features control!\n"); 1145 break; 1146 default: 1147 break; 1148 } 1149 return ret; 1150 } 1151 1152 ret = smu_init_display_count(smu, 0); 1153 if (ret) { 1154 dev_info(adev->dev, "Failed to pre-set display count as 0!\n"); 1155 return ret; 1156 } 1157 1158 ret = smu_set_driver_table_location(smu); 1159 if (ret) { 1160 dev_err(adev->dev, "Failed to SetDriverDramAddr!\n"); 1161 return ret; 1162 } 1163 1164 /* 1165 * Set PMSTATUSLOG table bo address with SetToolsDramAddr MSG for tools. 1166 */ 1167 ret = smu_set_tool_table_location(smu); 1168 if (ret) { 1169 dev_err(adev->dev, "Failed to SetToolsDramAddr!\n"); 1170 return ret; 1171 } 1172 1173 /* 1174 * Use msg SetSystemVirtualDramAddr and DramLogSetDramAddr can notify 1175 * pool location. 1176 */ 1177 ret = smu_notify_memory_pool_location(smu); 1178 if (ret) { 1179 dev_err(adev->dev, "Failed to SetDramLogDramAddr!\n"); 1180 return ret; 1181 } 1182 1183 ret = smu_setup_pptable(smu); 1184 if (ret) { 1185 dev_err(adev->dev, "Failed to setup pptable!\n"); 1186 return ret; 1187 } 1188 1189 /* smu_dump_pptable(smu); */ 1190 1191 /* 1192 * With SCPM enabled, PSP is responsible for the PPTable transferring 1193 * (to SMU). Driver involvement is not needed and permitted. 1194 */ 1195 if (!adev->scpm_enabled) { 1196 /* 1197 * Copy pptable bo in the vram to smc with SMU MSGs such as 1198 * SetDriverDramAddr and TransferTableDram2Smu. 1199 */ 1200 ret = smu_write_pptable(smu); 1201 if (ret) { 1202 dev_err(adev->dev, "Failed to transfer pptable to SMC!\n"); 1203 return ret; 1204 } 1205 } 1206 1207 /* issue Run*Btc msg */ 1208 ret = smu_run_btc(smu); 1209 if (ret) 1210 return ret; 1211 1212 /* 1213 * With SCPM enabled, these actions(and relevant messages) are 1214 * not needed and permitted. 1215 */ 1216 if (!adev->scpm_enabled) { 1217 ret = smu_feature_set_allowed_mask(smu); 1218 if (ret) { 1219 dev_err(adev->dev, "Failed to set driver allowed features mask!\n"); 1220 return ret; 1221 } 1222 } 1223 1224 ret = smu_system_features_control(smu, true); 1225 if (ret) { 1226 dev_err(adev->dev, "Failed to enable requested dpm features!\n"); 1227 return ret; 1228 } 1229 1230 ret = smu_feature_get_enabled_mask(smu, &features_supported); 1231 if (ret) { 1232 dev_err(adev->dev, "Failed to retrieve supported dpm features!\n"); 1233 return ret; 1234 } 1235 bitmap_copy(feature->supported, 1236 (unsigned long *)&features_supported, 1237 feature->feature_num); 1238 1239 if (!smu_is_dpm_running(smu)) 1240 dev_info(adev->dev, "dpm has been disabled\n"); 1241 1242 /* 1243 * Set initialized values (get from vbios) to dpm tables context such as 1244 * gfxclk, memclk, dcefclk, and etc. And enable the DPM feature for each 1245 * type of clks. 1246 */ 1247 ret = smu_set_default_dpm_table(smu); 1248 if (ret) { 1249 dev_err(adev->dev, "Failed to setup default dpm clock tables!\n"); 1250 return ret; 1251 } 1252 1253 if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN4) 1254 pcie_gen = 3; 1255 else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3) 1256 pcie_gen = 2; 1257 else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2) 1258 pcie_gen = 1; 1259 else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1) 1260 pcie_gen = 0; 1261 1262 /* Bit 31:16: LCLK DPM level. 0 is DPM0, and 1 is DPM1 1263 * Bit 15:8: PCIE GEN, 0 to 3 corresponds to GEN1 to GEN4 1264 * Bit 7:0: PCIE lane width, 1 to 7 corresponds is x1 to x32 1265 */ 1266 if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X16) 1267 pcie_width = 6; 1268 else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X12) 1269 pcie_width = 5; 1270 else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X8) 1271 pcie_width = 4; 1272 else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X4) 1273 pcie_width = 3; 1274 else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X2) 1275 pcie_width = 2; 1276 else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X1) 1277 pcie_width = 1; 1278 ret = smu_update_pcie_parameters(smu, pcie_gen, pcie_width); 1279 if (ret) { 1280 dev_err(adev->dev, "Attempt to override pcie params failed!\n"); 1281 return ret; 1282 } 1283 1284 ret = smu_get_thermal_temperature_range(smu); 1285 if (ret) { 1286 dev_err(adev->dev, "Failed to get thermal temperature ranges!\n"); 1287 return ret; 1288 } 1289 1290 ret = smu_enable_thermal_alert(smu); 1291 if (ret) { 1292 dev_err(adev->dev, "Failed to enable thermal alert!\n"); 1293 return ret; 1294 } 1295 1296 ret = smu_notify_display_change(smu); 1297 if (ret) { 1298 dev_err(adev->dev, "Failed to notify display change!\n"); 1299 return ret; 1300 } 1301 1302 /* 1303 * Set min deep sleep dce fclk with bootup value from vbios via 1304 * SetMinDeepSleepDcefclk MSG. 1305 */ 1306 ret = smu_set_min_dcef_deep_sleep(smu, 1307 smu->smu_table.boot_values.dcefclk / 100); 1308 1309 return ret; 1310 } 1311 1312 static int smu_start_smc_engine(struct smu_context *smu) 1313 { 1314 struct amdgpu_device *adev = smu->adev; 1315 int ret = 0; 1316 1317 if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) { 1318 if (adev->ip_versions[MP1_HWIP][0] < IP_VERSION(11, 0, 0)) { 1319 if (smu->ppt_funcs->load_microcode) { 1320 ret = smu->ppt_funcs->load_microcode(smu); 1321 if (ret) 1322 return ret; 1323 } 1324 } 1325 } 1326 1327 if (smu->ppt_funcs->check_fw_status) { 1328 ret = smu->ppt_funcs->check_fw_status(smu); 1329 if (ret) { 1330 dev_err(adev->dev, "SMC is not ready\n"); 1331 return ret; 1332 } 1333 } 1334 1335 /* 1336 * Send msg GetDriverIfVersion to check if the return value is equal 1337 * with DRIVER_IF_VERSION of smc header. 1338 */ 1339 ret = smu_check_fw_version(smu); 1340 if (ret) 1341 return ret; 1342 1343 return ret; 1344 } 1345 1346 static int smu_hw_init(void *handle) 1347 { 1348 int ret; 1349 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1350 struct smu_context *smu = adev->powerplay.pp_handle; 1351 1352 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev)) { 1353 smu->pm_enabled = false; 1354 return 0; 1355 } 1356 1357 ret = smu_start_smc_engine(smu); 1358 if (ret) { 1359 dev_err(adev->dev, "SMC engine is not correctly up!\n"); 1360 return ret; 1361 } 1362 1363 if (smu->is_apu) { 1364 smu_dpm_set_vcn_enable(smu, true); 1365 smu_dpm_set_jpeg_enable(smu, true); 1366 smu_set_gfx_cgpg(smu, true); 1367 } 1368 1369 if (!smu->pm_enabled) 1370 return 0; 1371 1372 ret = smu_get_driver_allowed_feature_mask(smu); 1373 if (ret) 1374 return ret; 1375 1376 ret = smu_smc_hw_setup(smu); 1377 if (ret) { 1378 dev_err(adev->dev, "Failed to setup smc hw!\n"); 1379 return ret; 1380 } 1381 1382 /* 1383 * Move maximum sustainable clock retrieving here considering 1384 * 1. It is not needed on resume(from S3). 1385 * 2. DAL settings come between .hw_init and .late_init of SMU. 1386 * And DAL needs to know the maximum sustainable clocks. Thus 1387 * it cannot be put in .late_init(). 1388 */ 1389 ret = smu_init_max_sustainable_clocks(smu); 1390 if (ret) { 1391 dev_err(adev->dev, "Failed to init max sustainable clocks!\n"); 1392 return ret; 1393 } 1394 1395 adev->pm.dpm_enabled = true; 1396 1397 dev_info(adev->dev, "SMU is initialized successfully!\n"); 1398 1399 return 0; 1400 } 1401 1402 static int smu_disable_dpms(struct smu_context *smu) 1403 { 1404 struct amdgpu_device *adev = smu->adev; 1405 int ret = 0; 1406 bool use_baco = !smu->is_apu && 1407 ((amdgpu_in_reset(adev) && 1408 (amdgpu_asic_reset_method(adev) == AMD_RESET_METHOD_BACO)) || 1409 ((adev->in_runpm || adev->in_s4) && amdgpu_asic_supports_baco(adev))); 1410 1411 /* 1412 * For SMU 13.0.0 and 13.0.7, PMFW will handle the DPM features(disablement or others) 1413 * properly on suspend/reset/unload. Driver involvement may cause some unexpected issues. 1414 */ 1415 switch (adev->ip_versions[MP1_HWIP][0]) { 1416 case IP_VERSION(13, 0, 0): 1417 case IP_VERSION(13, 0, 7): 1418 ret = smu_set_mp1_state(smu, PP_MP1_STATE_UNLOAD); 1419 if (ret) { 1420 dev_err(adev->dev, "Fail set mp1 state to UNLOAD!\n"); 1421 return ret; 1422 } 1423 1424 return 0; 1425 default: 1426 break; 1427 } 1428 1429 /* 1430 * For custom pptable uploading, skip the DPM features 1431 * disable process on Navi1x ASICs. 1432 * - As the gfx related features are under control of 1433 * RLC on those ASICs. RLC reinitialization will be 1434 * needed to reenable them. That will cost much more 1435 * efforts. 1436 * 1437 * - SMU firmware can handle the DPM reenablement 1438 * properly. 1439 */ 1440 if (smu->uploading_custom_pp_table) { 1441 switch (adev->ip_versions[MP1_HWIP][0]) { 1442 case IP_VERSION(11, 0, 0): 1443 case IP_VERSION(11, 0, 5): 1444 case IP_VERSION(11, 0, 9): 1445 case IP_VERSION(11, 0, 7): 1446 case IP_VERSION(11, 0, 11): 1447 case IP_VERSION(11, 5, 0): 1448 case IP_VERSION(11, 0, 12): 1449 case IP_VERSION(11, 0, 13): 1450 return 0; 1451 default: 1452 break; 1453 } 1454 } 1455 1456 /* 1457 * For Sienna_Cichlid, PMFW will handle the features disablement properly 1458 * on BACO in. Driver involvement is unnecessary. 1459 */ 1460 if (use_baco) { 1461 switch (adev->ip_versions[MP1_HWIP][0]) { 1462 case IP_VERSION(11, 0, 7): 1463 case IP_VERSION(11, 0, 0): 1464 case IP_VERSION(11, 0, 5): 1465 case IP_VERSION(11, 0, 9): 1466 case IP_VERSION(13, 0, 7): 1467 return 0; 1468 default: 1469 break; 1470 } 1471 } 1472 1473 /* 1474 * For gpu reset, runpm and hibernation through BACO, 1475 * BACO feature has to be kept enabled. 1476 */ 1477 if (use_baco && smu_feature_is_enabled(smu, SMU_FEATURE_BACO_BIT)) { 1478 ret = smu_disable_all_features_with_exception(smu, 1479 SMU_FEATURE_BACO_BIT); 1480 if (ret) 1481 dev_err(adev->dev, "Failed to disable smu features except BACO.\n"); 1482 } else { 1483 /* DisableAllSmuFeatures message is not permitted with SCPM enabled */ 1484 if (!adev->scpm_enabled) { 1485 ret = smu_system_features_control(smu, false); 1486 if (ret) 1487 dev_err(adev->dev, "Failed to disable smu features.\n"); 1488 } 1489 } 1490 1491 if (adev->ip_versions[GC_HWIP][0] >= IP_VERSION(9, 4, 2) && 1492 adev->gfx.rlc.funcs->stop) 1493 adev->gfx.rlc.funcs->stop(adev); 1494 1495 return ret; 1496 } 1497 1498 static int smu_smc_hw_cleanup(struct smu_context *smu) 1499 { 1500 struct amdgpu_device *adev = smu->adev; 1501 int ret = 0; 1502 1503 cancel_work_sync(&smu->throttling_logging_work); 1504 cancel_work_sync(&smu->interrupt_work); 1505 1506 ret = smu_disable_thermal_alert(smu); 1507 if (ret) { 1508 dev_err(adev->dev, "Fail to disable thermal alert!\n"); 1509 return ret; 1510 } 1511 1512 ret = smu_disable_dpms(smu); 1513 if (ret) { 1514 dev_err(adev->dev, "Fail to disable dpm features!\n"); 1515 return ret; 1516 } 1517 1518 return 0; 1519 } 1520 1521 static int smu_hw_fini(void *handle) 1522 { 1523 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1524 struct smu_context *smu = adev->powerplay.pp_handle; 1525 1526 if (amdgpu_sriov_vf(adev)&& !amdgpu_sriov_is_pp_one_vf(adev)) 1527 return 0; 1528 1529 smu_dpm_set_vcn_enable(smu, false); 1530 smu_dpm_set_jpeg_enable(smu, false); 1531 1532 adev->vcn.cur_state = AMD_PG_STATE_GATE; 1533 adev->jpeg.cur_state = AMD_PG_STATE_GATE; 1534 1535 if (!smu->pm_enabled) 1536 return 0; 1537 1538 adev->pm.dpm_enabled = false; 1539 1540 return smu_smc_hw_cleanup(smu); 1541 } 1542 1543 static void smu_late_fini(void *handle) 1544 { 1545 struct amdgpu_device *adev = handle; 1546 struct smu_context *smu = adev->powerplay.pp_handle; 1547 1548 kfree(smu); 1549 } 1550 1551 static int smu_reset(struct smu_context *smu) 1552 { 1553 struct amdgpu_device *adev = smu->adev; 1554 int ret; 1555 1556 ret = smu_hw_fini(adev); 1557 if (ret) 1558 return ret; 1559 1560 ret = smu_hw_init(adev); 1561 if (ret) 1562 return ret; 1563 1564 ret = smu_late_init(adev); 1565 if (ret) 1566 return ret; 1567 1568 return 0; 1569 } 1570 1571 static int smu_suspend(void *handle) 1572 { 1573 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1574 struct smu_context *smu = adev->powerplay.pp_handle; 1575 int ret; 1576 1577 if (amdgpu_sriov_vf(adev)&& !amdgpu_sriov_is_pp_one_vf(adev)) 1578 return 0; 1579 1580 if (!smu->pm_enabled) 1581 return 0; 1582 1583 adev->pm.dpm_enabled = false; 1584 1585 ret = smu_smc_hw_cleanup(smu); 1586 if (ret) 1587 return ret; 1588 1589 smu->watermarks_bitmap &= ~(WATERMARKS_LOADED); 1590 1591 smu_set_gfx_cgpg(smu, false); 1592 1593 return 0; 1594 } 1595 1596 static int smu_resume(void *handle) 1597 { 1598 int ret; 1599 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1600 struct smu_context *smu = adev->powerplay.pp_handle; 1601 1602 if (amdgpu_sriov_vf(adev)&& !amdgpu_sriov_is_pp_one_vf(adev)) 1603 return 0; 1604 1605 if (!smu->pm_enabled) 1606 return 0; 1607 1608 dev_info(adev->dev, "SMU is resuming...\n"); 1609 1610 ret = smu_start_smc_engine(smu); 1611 if (ret) { 1612 dev_err(adev->dev, "SMC engine is not correctly up!\n"); 1613 return ret; 1614 } 1615 1616 ret = smu_smc_hw_setup(smu); 1617 if (ret) { 1618 dev_err(adev->dev, "Failed to setup smc hw!\n"); 1619 return ret; 1620 } 1621 1622 smu_set_gfx_cgpg(smu, true); 1623 1624 smu->disable_uclk_switch = 0; 1625 1626 adev->pm.dpm_enabled = true; 1627 1628 dev_info(adev->dev, "SMU is resumed successfully!\n"); 1629 1630 return 0; 1631 } 1632 1633 static int smu_display_configuration_change(void *handle, 1634 const struct amd_pp_display_configuration *display_config) 1635 { 1636 struct smu_context *smu = handle; 1637 int index = 0; 1638 int num_of_active_display = 0; 1639 1640 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 1641 return -EOPNOTSUPP; 1642 1643 if (!display_config) 1644 return -EINVAL; 1645 1646 smu_set_min_dcef_deep_sleep(smu, 1647 display_config->min_dcef_deep_sleep_set_clk / 100); 1648 1649 for (index = 0; index < display_config->num_path_including_non_display; index++) { 1650 if (display_config->displays[index].controller_id != 0) 1651 num_of_active_display++; 1652 } 1653 1654 return 0; 1655 } 1656 1657 static int smu_set_clockgating_state(void *handle, 1658 enum amd_clockgating_state state) 1659 { 1660 return 0; 1661 } 1662 1663 static int smu_set_powergating_state(void *handle, 1664 enum amd_powergating_state state) 1665 { 1666 return 0; 1667 } 1668 1669 static int smu_enable_umd_pstate(void *handle, 1670 enum amd_dpm_forced_level *level) 1671 { 1672 uint32_t profile_mode_mask = AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD | 1673 AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK | 1674 AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK | 1675 AMD_DPM_FORCED_LEVEL_PROFILE_PEAK; 1676 1677 struct smu_context *smu = (struct smu_context*)(handle); 1678 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm); 1679 1680 if (!smu->is_apu && !smu_dpm_ctx->dpm_context) 1681 return -EINVAL; 1682 1683 if (!(smu_dpm_ctx->dpm_level & profile_mode_mask)) { 1684 /* enter umd pstate, save current level, disable gfx cg*/ 1685 if (*level & profile_mode_mask) { 1686 smu_dpm_ctx->saved_dpm_level = smu_dpm_ctx->dpm_level; 1687 smu_gpo_control(smu, false); 1688 smu_gfx_ulv_control(smu, false); 1689 smu_deep_sleep_control(smu, false); 1690 amdgpu_asic_update_umd_stable_pstate(smu->adev, true); 1691 } 1692 } else { 1693 /* exit umd pstate, restore level, enable gfx cg*/ 1694 if (!(*level & profile_mode_mask)) { 1695 if (*level == AMD_DPM_FORCED_LEVEL_PROFILE_EXIT) 1696 *level = smu_dpm_ctx->saved_dpm_level; 1697 amdgpu_asic_update_umd_stable_pstate(smu->adev, false); 1698 smu_deep_sleep_control(smu, true); 1699 smu_gfx_ulv_control(smu, true); 1700 smu_gpo_control(smu, true); 1701 } 1702 } 1703 1704 return 0; 1705 } 1706 1707 static int smu_bump_power_profile_mode(struct smu_context *smu, 1708 long *param, 1709 uint32_t param_size) 1710 { 1711 int ret = 0; 1712 1713 if (smu->ppt_funcs->set_power_profile_mode) 1714 ret = smu->ppt_funcs->set_power_profile_mode(smu, param, param_size); 1715 1716 return ret; 1717 } 1718 1719 static int smu_adjust_power_state_dynamic(struct smu_context *smu, 1720 enum amd_dpm_forced_level level, 1721 bool skip_display_settings) 1722 { 1723 int ret = 0; 1724 int index = 0; 1725 long workload; 1726 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm); 1727 1728 if (!skip_display_settings) { 1729 ret = smu_display_config_changed(smu); 1730 if (ret) { 1731 dev_err(smu->adev->dev, "Failed to change display config!"); 1732 return ret; 1733 } 1734 } 1735 1736 ret = smu_apply_clocks_adjust_rules(smu); 1737 if (ret) { 1738 dev_err(smu->adev->dev, "Failed to apply clocks adjust rules!"); 1739 return ret; 1740 } 1741 1742 if (!skip_display_settings) { 1743 ret = smu_notify_smc_display_config(smu); 1744 if (ret) { 1745 dev_err(smu->adev->dev, "Failed to notify smc display config!"); 1746 return ret; 1747 } 1748 } 1749 1750 if (smu_dpm_ctx->dpm_level != level) { 1751 ret = smu_asic_set_performance_level(smu, level); 1752 if (ret) { 1753 dev_err(smu->adev->dev, "Failed to set performance level!"); 1754 return ret; 1755 } 1756 1757 /* update the saved copy */ 1758 smu_dpm_ctx->dpm_level = level; 1759 } 1760 1761 if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL && 1762 smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM) { 1763 index = fls(smu->workload_mask); 1764 index = index > 0 && index <= WORKLOAD_POLICY_MAX ? index - 1 : 0; 1765 workload = smu->workload_setting[index]; 1766 1767 if (smu->power_profile_mode != workload) 1768 smu_bump_power_profile_mode(smu, &workload, 0); 1769 } 1770 1771 return ret; 1772 } 1773 1774 static int smu_handle_task(struct smu_context *smu, 1775 enum amd_dpm_forced_level level, 1776 enum amd_pp_task task_id) 1777 { 1778 int ret = 0; 1779 1780 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 1781 return -EOPNOTSUPP; 1782 1783 switch (task_id) { 1784 case AMD_PP_TASK_DISPLAY_CONFIG_CHANGE: 1785 ret = smu_pre_display_config_changed(smu); 1786 if (ret) 1787 return ret; 1788 ret = smu_adjust_power_state_dynamic(smu, level, false); 1789 break; 1790 case AMD_PP_TASK_COMPLETE_INIT: 1791 case AMD_PP_TASK_READJUST_POWER_STATE: 1792 ret = smu_adjust_power_state_dynamic(smu, level, true); 1793 break; 1794 default: 1795 break; 1796 } 1797 1798 return ret; 1799 } 1800 1801 static int smu_handle_dpm_task(void *handle, 1802 enum amd_pp_task task_id, 1803 enum amd_pm_state_type *user_state) 1804 { 1805 struct smu_context *smu = handle; 1806 struct smu_dpm_context *smu_dpm = &smu->smu_dpm; 1807 1808 return smu_handle_task(smu, smu_dpm->dpm_level, task_id); 1809 1810 } 1811 1812 static int smu_switch_power_profile(void *handle, 1813 enum PP_SMC_POWER_PROFILE type, 1814 bool en) 1815 { 1816 struct smu_context *smu = handle; 1817 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm); 1818 long workload; 1819 uint32_t index; 1820 1821 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 1822 return -EOPNOTSUPP; 1823 1824 if (!(type < PP_SMC_POWER_PROFILE_CUSTOM)) 1825 return -EINVAL; 1826 1827 if (!en) { 1828 smu->workload_mask &= ~(1 << smu->workload_prority[type]); 1829 index = fls(smu->workload_mask); 1830 index = index > 0 && index <= WORKLOAD_POLICY_MAX ? index - 1 : 0; 1831 workload = smu->workload_setting[index]; 1832 } else { 1833 smu->workload_mask |= (1 << smu->workload_prority[type]); 1834 index = fls(smu->workload_mask); 1835 index = index <= WORKLOAD_POLICY_MAX ? index - 1 : 0; 1836 workload = smu->workload_setting[index]; 1837 } 1838 1839 if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL && 1840 smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM) 1841 smu_bump_power_profile_mode(smu, &workload, 0); 1842 1843 return 0; 1844 } 1845 1846 static enum amd_dpm_forced_level smu_get_performance_level(void *handle) 1847 { 1848 struct smu_context *smu = handle; 1849 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm); 1850 1851 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 1852 return -EOPNOTSUPP; 1853 1854 if (!smu->is_apu && !smu_dpm_ctx->dpm_context) 1855 return -EINVAL; 1856 1857 return smu_dpm_ctx->dpm_level; 1858 } 1859 1860 static int smu_force_performance_level(void *handle, 1861 enum amd_dpm_forced_level level) 1862 { 1863 struct smu_context *smu = handle; 1864 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm); 1865 int ret = 0; 1866 1867 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 1868 return -EOPNOTSUPP; 1869 1870 if (!smu->is_apu && !smu_dpm_ctx->dpm_context) 1871 return -EINVAL; 1872 1873 ret = smu_enable_umd_pstate(smu, &level); 1874 if (ret) 1875 return ret; 1876 1877 ret = smu_handle_task(smu, level, 1878 AMD_PP_TASK_READJUST_POWER_STATE); 1879 1880 /* reset user dpm clock state */ 1881 if (!ret && smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) { 1882 memset(smu->user_dpm_profile.clk_mask, 0, sizeof(smu->user_dpm_profile.clk_mask)); 1883 smu->user_dpm_profile.clk_dependency = 0; 1884 } 1885 1886 return ret; 1887 } 1888 1889 static int smu_set_display_count(void *handle, uint32_t count) 1890 { 1891 struct smu_context *smu = handle; 1892 1893 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 1894 return -EOPNOTSUPP; 1895 1896 return smu_init_display_count(smu, count); 1897 } 1898 1899 static int smu_force_smuclk_levels(struct smu_context *smu, 1900 enum smu_clk_type clk_type, 1901 uint32_t mask) 1902 { 1903 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm); 1904 int ret = 0; 1905 1906 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 1907 return -EOPNOTSUPP; 1908 1909 if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) { 1910 dev_dbg(smu->adev->dev, "force clock level is for dpm manual mode only.\n"); 1911 return -EINVAL; 1912 } 1913 1914 if (smu->ppt_funcs && smu->ppt_funcs->force_clk_levels) { 1915 ret = smu->ppt_funcs->force_clk_levels(smu, clk_type, mask); 1916 if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) { 1917 smu->user_dpm_profile.clk_mask[clk_type] = mask; 1918 smu_set_user_clk_dependencies(smu, clk_type); 1919 } 1920 } 1921 1922 return ret; 1923 } 1924 1925 static int smu_force_ppclk_levels(void *handle, 1926 enum pp_clock_type type, 1927 uint32_t mask) 1928 { 1929 struct smu_context *smu = handle; 1930 enum smu_clk_type clk_type; 1931 1932 switch (type) { 1933 case PP_SCLK: 1934 clk_type = SMU_SCLK; break; 1935 case PP_MCLK: 1936 clk_type = SMU_MCLK; break; 1937 case PP_PCIE: 1938 clk_type = SMU_PCIE; break; 1939 case PP_SOCCLK: 1940 clk_type = SMU_SOCCLK; break; 1941 case PP_FCLK: 1942 clk_type = SMU_FCLK; break; 1943 case PP_DCEFCLK: 1944 clk_type = SMU_DCEFCLK; break; 1945 case PP_VCLK: 1946 clk_type = SMU_VCLK; break; 1947 case PP_DCLK: 1948 clk_type = SMU_DCLK; break; 1949 case OD_SCLK: 1950 clk_type = SMU_OD_SCLK; break; 1951 case OD_MCLK: 1952 clk_type = SMU_OD_MCLK; break; 1953 case OD_VDDC_CURVE: 1954 clk_type = SMU_OD_VDDC_CURVE; break; 1955 case OD_RANGE: 1956 clk_type = SMU_OD_RANGE; break; 1957 default: 1958 return -EINVAL; 1959 } 1960 1961 return smu_force_smuclk_levels(smu, clk_type, mask); 1962 } 1963 1964 /* 1965 * On system suspending or resetting, the dpm_enabled 1966 * flag will be cleared. So that those SMU services which 1967 * are not supported will be gated. 1968 * However, the mp1 state setting should still be granted 1969 * even if the dpm_enabled cleared. 1970 */ 1971 static int smu_set_mp1_state(void *handle, 1972 enum pp_mp1_state mp1_state) 1973 { 1974 struct smu_context *smu = handle; 1975 int ret = 0; 1976 1977 if (!smu->pm_enabled) 1978 return -EOPNOTSUPP; 1979 1980 if (smu->ppt_funcs && 1981 smu->ppt_funcs->set_mp1_state) 1982 ret = smu->ppt_funcs->set_mp1_state(smu, mp1_state); 1983 1984 return ret; 1985 } 1986 1987 static int smu_set_df_cstate(void *handle, 1988 enum pp_df_cstate state) 1989 { 1990 struct smu_context *smu = handle; 1991 int ret = 0; 1992 1993 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 1994 return -EOPNOTSUPP; 1995 1996 if (!smu->ppt_funcs || !smu->ppt_funcs->set_df_cstate) 1997 return 0; 1998 1999 ret = smu->ppt_funcs->set_df_cstate(smu, state); 2000 if (ret) 2001 dev_err(smu->adev->dev, "[SetDfCstate] failed!\n"); 2002 2003 return ret; 2004 } 2005 2006 int smu_allow_xgmi_power_down(struct smu_context *smu, bool en) 2007 { 2008 int ret = 0; 2009 2010 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2011 return -EOPNOTSUPP; 2012 2013 if (!smu->ppt_funcs || !smu->ppt_funcs->allow_xgmi_power_down) 2014 return 0; 2015 2016 ret = smu->ppt_funcs->allow_xgmi_power_down(smu, en); 2017 if (ret) 2018 dev_err(smu->adev->dev, "[AllowXgmiPowerDown] failed!\n"); 2019 2020 return ret; 2021 } 2022 2023 int smu_write_watermarks_table(struct smu_context *smu) 2024 { 2025 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2026 return -EOPNOTSUPP; 2027 2028 return smu_set_watermarks_table(smu, NULL); 2029 } 2030 2031 static int smu_set_watermarks_for_clock_ranges(void *handle, 2032 struct pp_smu_wm_range_sets *clock_ranges) 2033 { 2034 struct smu_context *smu = handle; 2035 2036 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2037 return -EOPNOTSUPP; 2038 2039 if (smu->disable_watermark) 2040 return 0; 2041 2042 return smu_set_watermarks_table(smu, clock_ranges); 2043 } 2044 2045 int smu_set_ac_dc(struct smu_context *smu) 2046 { 2047 int ret = 0; 2048 2049 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2050 return -EOPNOTSUPP; 2051 2052 /* controlled by firmware */ 2053 if (smu->dc_controlled_by_gpio) 2054 return 0; 2055 2056 ret = smu_set_power_source(smu, 2057 smu->adev->pm.ac_power ? SMU_POWER_SOURCE_AC : 2058 SMU_POWER_SOURCE_DC); 2059 if (ret) 2060 dev_err(smu->adev->dev, "Failed to switch to %s mode!\n", 2061 smu->adev->pm.ac_power ? "AC" : "DC"); 2062 2063 return ret; 2064 } 2065 2066 const struct amd_ip_funcs smu_ip_funcs = { 2067 .name = "smu", 2068 .early_init = smu_early_init, 2069 .late_init = smu_late_init, 2070 .sw_init = smu_sw_init, 2071 .sw_fini = smu_sw_fini, 2072 .hw_init = smu_hw_init, 2073 .hw_fini = smu_hw_fini, 2074 .late_fini = smu_late_fini, 2075 .suspend = smu_suspend, 2076 .resume = smu_resume, 2077 .is_idle = NULL, 2078 .check_soft_reset = NULL, 2079 .wait_for_idle = NULL, 2080 .soft_reset = NULL, 2081 .set_clockgating_state = smu_set_clockgating_state, 2082 .set_powergating_state = smu_set_powergating_state, 2083 }; 2084 2085 const struct amdgpu_ip_block_version smu_v11_0_ip_block = 2086 { 2087 .type = AMD_IP_BLOCK_TYPE_SMC, 2088 .major = 11, 2089 .minor = 0, 2090 .rev = 0, 2091 .funcs = &smu_ip_funcs, 2092 }; 2093 2094 const struct amdgpu_ip_block_version smu_v12_0_ip_block = 2095 { 2096 .type = AMD_IP_BLOCK_TYPE_SMC, 2097 .major = 12, 2098 .minor = 0, 2099 .rev = 0, 2100 .funcs = &smu_ip_funcs, 2101 }; 2102 2103 const struct amdgpu_ip_block_version smu_v13_0_ip_block = 2104 { 2105 .type = AMD_IP_BLOCK_TYPE_SMC, 2106 .major = 13, 2107 .minor = 0, 2108 .rev = 0, 2109 .funcs = &smu_ip_funcs, 2110 }; 2111 2112 static int smu_load_microcode(void *handle) 2113 { 2114 struct smu_context *smu = handle; 2115 struct amdgpu_device *adev = smu->adev; 2116 int ret = 0; 2117 2118 if (!smu->pm_enabled) 2119 return -EOPNOTSUPP; 2120 2121 /* This should be used for non PSP loading */ 2122 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) 2123 return 0; 2124 2125 if (smu->ppt_funcs->load_microcode) { 2126 ret = smu->ppt_funcs->load_microcode(smu); 2127 if (ret) { 2128 dev_err(adev->dev, "Load microcode failed\n"); 2129 return ret; 2130 } 2131 } 2132 2133 if (smu->ppt_funcs->check_fw_status) { 2134 ret = smu->ppt_funcs->check_fw_status(smu); 2135 if (ret) { 2136 dev_err(adev->dev, "SMC is not ready\n"); 2137 return ret; 2138 } 2139 } 2140 2141 return ret; 2142 } 2143 2144 static int smu_set_gfx_cgpg(struct smu_context *smu, bool enabled) 2145 { 2146 int ret = 0; 2147 2148 if (smu->ppt_funcs->set_gfx_cgpg) 2149 ret = smu->ppt_funcs->set_gfx_cgpg(smu, enabled); 2150 2151 return ret; 2152 } 2153 2154 static int smu_set_fan_speed_rpm(void *handle, uint32_t speed) 2155 { 2156 struct smu_context *smu = handle; 2157 int ret = 0; 2158 2159 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2160 return -EOPNOTSUPP; 2161 2162 if (!smu->ppt_funcs->set_fan_speed_rpm) 2163 return -EOPNOTSUPP; 2164 2165 if (speed == U32_MAX) 2166 return -EINVAL; 2167 2168 ret = smu->ppt_funcs->set_fan_speed_rpm(smu, speed); 2169 if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) { 2170 smu->user_dpm_profile.flags |= SMU_CUSTOM_FAN_SPEED_RPM; 2171 smu->user_dpm_profile.fan_speed_rpm = speed; 2172 2173 /* Override custom PWM setting as they cannot co-exist */ 2174 smu->user_dpm_profile.flags &= ~SMU_CUSTOM_FAN_SPEED_PWM; 2175 smu->user_dpm_profile.fan_speed_pwm = 0; 2176 } 2177 2178 return ret; 2179 } 2180 2181 /** 2182 * smu_get_power_limit - Request one of the SMU Power Limits 2183 * 2184 * @handle: pointer to smu context 2185 * @limit: requested limit is written back to this variable 2186 * @pp_limit_level: &pp_power_limit_level which limit of the power to return 2187 * @pp_power_type: &pp_power_type type of power 2188 * Return: 0 on success, <0 on error 2189 * 2190 */ 2191 int smu_get_power_limit(void *handle, 2192 uint32_t *limit, 2193 enum pp_power_limit_level pp_limit_level, 2194 enum pp_power_type pp_power_type) 2195 { 2196 struct smu_context *smu = handle; 2197 struct amdgpu_device *adev = smu->adev; 2198 enum smu_ppt_limit_level limit_level; 2199 uint32_t limit_type; 2200 int ret = 0; 2201 2202 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2203 return -EOPNOTSUPP; 2204 2205 switch(pp_power_type) { 2206 case PP_PWR_TYPE_SUSTAINED: 2207 limit_type = SMU_DEFAULT_PPT_LIMIT; 2208 break; 2209 case PP_PWR_TYPE_FAST: 2210 limit_type = SMU_FAST_PPT_LIMIT; 2211 break; 2212 default: 2213 return -EOPNOTSUPP; 2214 break; 2215 } 2216 2217 switch(pp_limit_level){ 2218 case PP_PWR_LIMIT_CURRENT: 2219 limit_level = SMU_PPT_LIMIT_CURRENT; 2220 break; 2221 case PP_PWR_LIMIT_DEFAULT: 2222 limit_level = SMU_PPT_LIMIT_DEFAULT; 2223 break; 2224 case PP_PWR_LIMIT_MAX: 2225 limit_level = SMU_PPT_LIMIT_MAX; 2226 break; 2227 case PP_PWR_LIMIT_MIN: 2228 default: 2229 return -EOPNOTSUPP; 2230 break; 2231 } 2232 2233 if (limit_type != SMU_DEFAULT_PPT_LIMIT) { 2234 if (smu->ppt_funcs->get_ppt_limit) 2235 ret = smu->ppt_funcs->get_ppt_limit(smu, limit, limit_type, limit_level); 2236 } else { 2237 switch (limit_level) { 2238 case SMU_PPT_LIMIT_CURRENT: 2239 switch (adev->ip_versions[MP1_HWIP][0]) { 2240 case IP_VERSION(13, 0, 2): 2241 case IP_VERSION(11, 0, 7): 2242 case IP_VERSION(11, 0, 11): 2243 case IP_VERSION(11, 0, 12): 2244 case IP_VERSION(11, 0, 13): 2245 ret = smu_get_asic_power_limits(smu, 2246 &smu->current_power_limit, 2247 NULL, 2248 NULL); 2249 break; 2250 default: 2251 break; 2252 } 2253 *limit = smu->current_power_limit; 2254 break; 2255 case SMU_PPT_LIMIT_DEFAULT: 2256 *limit = smu->default_power_limit; 2257 break; 2258 case SMU_PPT_LIMIT_MAX: 2259 *limit = smu->max_power_limit; 2260 break; 2261 default: 2262 break; 2263 } 2264 } 2265 2266 return ret; 2267 } 2268 2269 static int smu_set_power_limit(void *handle, uint32_t limit) 2270 { 2271 struct smu_context *smu = handle; 2272 uint32_t limit_type = limit >> 24; 2273 int ret = 0; 2274 2275 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2276 return -EOPNOTSUPP; 2277 2278 limit &= (1<<24)-1; 2279 if (limit_type != SMU_DEFAULT_PPT_LIMIT) 2280 if (smu->ppt_funcs->set_power_limit) 2281 return smu->ppt_funcs->set_power_limit(smu, limit_type, limit); 2282 2283 if (limit > smu->max_power_limit) { 2284 dev_err(smu->adev->dev, 2285 "New power limit (%d) is over the max allowed %d\n", 2286 limit, smu->max_power_limit); 2287 return -EINVAL; 2288 } 2289 2290 if (!limit) 2291 limit = smu->current_power_limit; 2292 2293 if (smu->ppt_funcs->set_power_limit) { 2294 ret = smu->ppt_funcs->set_power_limit(smu, limit_type, limit); 2295 if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) 2296 smu->user_dpm_profile.power_limit = limit; 2297 } 2298 2299 return ret; 2300 } 2301 2302 static int smu_print_smuclk_levels(struct smu_context *smu, enum smu_clk_type clk_type, char *buf) 2303 { 2304 int ret = 0; 2305 2306 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2307 return -EOPNOTSUPP; 2308 2309 if (smu->ppt_funcs->print_clk_levels) 2310 ret = smu->ppt_funcs->print_clk_levels(smu, clk_type, buf); 2311 2312 return ret; 2313 } 2314 2315 static enum smu_clk_type smu_convert_to_smuclk(enum pp_clock_type type) 2316 { 2317 enum smu_clk_type clk_type; 2318 2319 switch (type) { 2320 case PP_SCLK: 2321 clk_type = SMU_SCLK; break; 2322 case PP_MCLK: 2323 clk_type = SMU_MCLK; break; 2324 case PP_PCIE: 2325 clk_type = SMU_PCIE; break; 2326 case PP_SOCCLK: 2327 clk_type = SMU_SOCCLK; break; 2328 case PP_FCLK: 2329 clk_type = SMU_FCLK; break; 2330 case PP_DCEFCLK: 2331 clk_type = SMU_DCEFCLK; break; 2332 case PP_VCLK: 2333 clk_type = SMU_VCLK; break; 2334 case PP_DCLK: 2335 clk_type = SMU_DCLK; break; 2336 case OD_SCLK: 2337 clk_type = SMU_OD_SCLK; break; 2338 case OD_MCLK: 2339 clk_type = SMU_OD_MCLK; break; 2340 case OD_VDDC_CURVE: 2341 clk_type = SMU_OD_VDDC_CURVE; break; 2342 case OD_RANGE: 2343 clk_type = SMU_OD_RANGE; break; 2344 case OD_VDDGFX_OFFSET: 2345 clk_type = SMU_OD_VDDGFX_OFFSET; break; 2346 case OD_CCLK: 2347 clk_type = SMU_OD_CCLK; break; 2348 default: 2349 clk_type = SMU_CLK_COUNT; break; 2350 } 2351 2352 return clk_type; 2353 } 2354 2355 static int smu_print_ppclk_levels(void *handle, 2356 enum pp_clock_type type, 2357 char *buf) 2358 { 2359 struct smu_context *smu = handle; 2360 enum smu_clk_type clk_type; 2361 2362 clk_type = smu_convert_to_smuclk(type); 2363 if (clk_type == SMU_CLK_COUNT) 2364 return -EINVAL; 2365 2366 return smu_print_smuclk_levels(smu, clk_type, buf); 2367 } 2368 2369 static int smu_emit_ppclk_levels(void *handle, enum pp_clock_type type, char *buf, int *offset) 2370 { 2371 struct smu_context *smu = handle; 2372 enum smu_clk_type clk_type; 2373 2374 clk_type = smu_convert_to_smuclk(type); 2375 if (clk_type == SMU_CLK_COUNT) 2376 return -EINVAL; 2377 2378 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2379 return -EOPNOTSUPP; 2380 2381 if (!smu->ppt_funcs->emit_clk_levels) 2382 return -ENOENT; 2383 2384 return smu->ppt_funcs->emit_clk_levels(smu, clk_type, buf, offset); 2385 2386 } 2387 2388 static int smu_od_edit_dpm_table(void *handle, 2389 enum PP_OD_DPM_TABLE_COMMAND type, 2390 long *input, uint32_t size) 2391 { 2392 struct smu_context *smu = handle; 2393 int ret = 0; 2394 2395 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2396 return -EOPNOTSUPP; 2397 2398 if (smu->ppt_funcs->od_edit_dpm_table) { 2399 ret = smu->ppt_funcs->od_edit_dpm_table(smu, type, input, size); 2400 } 2401 2402 return ret; 2403 } 2404 2405 static int smu_read_sensor(void *handle, 2406 int sensor, 2407 void *data, 2408 int *size_arg) 2409 { 2410 struct smu_context *smu = handle; 2411 struct smu_umd_pstate_table *pstate_table = 2412 &smu->pstate_table; 2413 int ret = 0; 2414 uint32_t *size, size_val; 2415 2416 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2417 return -EOPNOTSUPP; 2418 2419 if (!data || !size_arg) 2420 return -EINVAL; 2421 2422 size_val = *size_arg; 2423 size = &size_val; 2424 2425 if (smu->ppt_funcs->read_sensor) 2426 if (!smu->ppt_funcs->read_sensor(smu, sensor, data, size)) 2427 goto unlock; 2428 2429 switch (sensor) { 2430 case AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK: 2431 *((uint32_t *)data) = pstate_table->gfxclk_pstate.standard * 100; 2432 *size = 4; 2433 break; 2434 case AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK: 2435 *((uint32_t *)data) = pstate_table->uclk_pstate.standard * 100; 2436 *size = 4; 2437 break; 2438 case AMDGPU_PP_SENSOR_ENABLED_SMC_FEATURES_MASK: 2439 ret = smu_feature_get_enabled_mask(smu, (uint64_t *)data); 2440 *size = 8; 2441 break; 2442 case AMDGPU_PP_SENSOR_UVD_POWER: 2443 *(uint32_t *)data = smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UVD_BIT) ? 1 : 0; 2444 *size = 4; 2445 break; 2446 case AMDGPU_PP_SENSOR_VCE_POWER: 2447 *(uint32_t *)data = smu_feature_is_enabled(smu, SMU_FEATURE_DPM_VCE_BIT) ? 1 : 0; 2448 *size = 4; 2449 break; 2450 case AMDGPU_PP_SENSOR_VCN_POWER_STATE: 2451 *(uint32_t *)data = atomic_read(&smu->smu_power.power_gate.vcn_gated) ? 0: 1; 2452 *size = 4; 2453 break; 2454 case AMDGPU_PP_SENSOR_MIN_FAN_RPM: 2455 *(uint32_t *)data = 0; 2456 *size = 4; 2457 break; 2458 default: 2459 *size = 0; 2460 ret = -EOPNOTSUPP; 2461 break; 2462 } 2463 2464 unlock: 2465 // assign uint32_t to int 2466 *size_arg = size_val; 2467 2468 return ret; 2469 } 2470 2471 static int smu_get_power_profile_mode(void *handle, char *buf) 2472 { 2473 struct smu_context *smu = handle; 2474 2475 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled || 2476 !smu->ppt_funcs->get_power_profile_mode) 2477 return -EOPNOTSUPP; 2478 if (!buf) 2479 return -EINVAL; 2480 2481 return smu->ppt_funcs->get_power_profile_mode(smu, buf); 2482 } 2483 2484 static int smu_set_power_profile_mode(void *handle, 2485 long *param, 2486 uint32_t param_size) 2487 { 2488 struct smu_context *smu = handle; 2489 2490 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled || 2491 !smu->ppt_funcs->set_power_profile_mode) 2492 return -EOPNOTSUPP; 2493 2494 return smu_bump_power_profile_mode(smu, param, param_size); 2495 } 2496 2497 static int smu_get_fan_control_mode(void *handle, u32 *fan_mode) 2498 { 2499 struct smu_context *smu = handle; 2500 2501 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2502 return -EOPNOTSUPP; 2503 2504 if (!smu->ppt_funcs->get_fan_control_mode) 2505 return -EOPNOTSUPP; 2506 2507 if (!fan_mode) 2508 return -EINVAL; 2509 2510 *fan_mode = smu->ppt_funcs->get_fan_control_mode(smu); 2511 2512 return 0; 2513 } 2514 2515 static int smu_set_fan_control_mode(void *handle, u32 value) 2516 { 2517 struct smu_context *smu = handle; 2518 int ret = 0; 2519 2520 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2521 return -EOPNOTSUPP; 2522 2523 if (!smu->ppt_funcs->set_fan_control_mode) 2524 return -EOPNOTSUPP; 2525 2526 if (value == U32_MAX) 2527 return -EINVAL; 2528 2529 ret = smu->ppt_funcs->set_fan_control_mode(smu, value); 2530 if (ret) 2531 goto out; 2532 2533 if (!(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) { 2534 smu->user_dpm_profile.fan_mode = value; 2535 2536 /* reset user dpm fan speed */ 2537 if (value != AMD_FAN_CTRL_MANUAL) { 2538 smu->user_dpm_profile.fan_speed_pwm = 0; 2539 smu->user_dpm_profile.fan_speed_rpm = 0; 2540 smu->user_dpm_profile.flags &= ~(SMU_CUSTOM_FAN_SPEED_RPM | SMU_CUSTOM_FAN_SPEED_PWM); 2541 } 2542 } 2543 2544 out: 2545 return ret; 2546 } 2547 2548 static int smu_get_fan_speed_pwm(void *handle, u32 *speed) 2549 { 2550 struct smu_context *smu = handle; 2551 int ret = 0; 2552 2553 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2554 return -EOPNOTSUPP; 2555 2556 if (!smu->ppt_funcs->get_fan_speed_pwm) 2557 return -EOPNOTSUPP; 2558 2559 if (!speed) 2560 return -EINVAL; 2561 2562 ret = smu->ppt_funcs->get_fan_speed_pwm(smu, speed); 2563 2564 return ret; 2565 } 2566 2567 static int smu_set_fan_speed_pwm(void *handle, u32 speed) 2568 { 2569 struct smu_context *smu = handle; 2570 int ret = 0; 2571 2572 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2573 return -EOPNOTSUPP; 2574 2575 if (!smu->ppt_funcs->set_fan_speed_pwm) 2576 return -EOPNOTSUPP; 2577 2578 if (speed == U32_MAX) 2579 return -EINVAL; 2580 2581 ret = smu->ppt_funcs->set_fan_speed_pwm(smu, speed); 2582 if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) { 2583 smu->user_dpm_profile.flags |= SMU_CUSTOM_FAN_SPEED_PWM; 2584 smu->user_dpm_profile.fan_speed_pwm = speed; 2585 2586 /* Override custom RPM setting as they cannot co-exist */ 2587 smu->user_dpm_profile.flags &= ~SMU_CUSTOM_FAN_SPEED_RPM; 2588 smu->user_dpm_profile.fan_speed_rpm = 0; 2589 } 2590 2591 return ret; 2592 } 2593 2594 static int smu_get_fan_speed_rpm(void *handle, uint32_t *speed) 2595 { 2596 struct smu_context *smu = handle; 2597 int ret = 0; 2598 2599 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2600 return -EOPNOTSUPP; 2601 2602 if (!smu->ppt_funcs->get_fan_speed_rpm) 2603 return -EOPNOTSUPP; 2604 2605 if (!speed) 2606 return -EINVAL; 2607 2608 ret = smu->ppt_funcs->get_fan_speed_rpm(smu, speed); 2609 2610 return ret; 2611 } 2612 2613 static int smu_set_deep_sleep_dcefclk(void *handle, uint32_t clk) 2614 { 2615 struct smu_context *smu = handle; 2616 2617 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2618 return -EOPNOTSUPP; 2619 2620 return smu_set_min_dcef_deep_sleep(smu, clk); 2621 } 2622 2623 static int smu_get_clock_by_type_with_latency(void *handle, 2624 enum amd_pp_clock_type type, 2625 struct pp_clock_levels_with_latency *clocks) 2626 { 2627 struct smu_context *smu = handle; 2628 enum smu_clk_type clk_type; 2629 int ret = 0; 2630 2631 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2632 return -EOPNOTSUPP; 2633 2634 if (smu->ppt_funcs->get_clock_by_type_with_latency) { 2635 switch (type) { 2636 case amd_pp_sys_clock: 2637 clk_type = SMU_GFXCLK; 2638 break; 2639 case amd_pp_mem_clock: 2640 clk_type = SMU_MCLK; 2641 break; 2642 case amd_pp_dcef_clock: 2643 clk_type = SMU_DCEFCLK; 2644 break; 2645 case amd_pp_disp_clock: 2646 clk_type = SMU_DISPCLK; 2647 break; 2648 default: 2649 dev_err(smu->adev->dev, "Invalid clock type!\n"); 2650 return -EINVAL; 2651 } 2652 2653 ret = smu->ppt_funcs->get_clock_by_type_with_latency(smu, clk_type, clocks); 2654 } 2655 2656 return ret; 2657 } 2658 2659 static int smu_display_clock_voltage_request(void *handle, 2660 struct pp_display_clock_request *clock_req) 2661 { 2662 struct smu_context *smu = handle; 2663 int ret = 0; 2664 2665 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2666 return -EOPNOTSUPP; 2667 2668 if (smu->ppt_funcs->display_clock_voltage_request) 2669 ret = smu->ppt_funcs->display_clock_voltage_request(smu, clock_req); 2670 2671 return ret; 2672 } 2673 2674 2675 static int smu_display_disable_memory_clock_switch(void *handle, 2676 bool disable_memory_clock_switch) 2677 { 2678 struct smu_context *smu = handle; 2679 int ret = -EINVAL; 2680 2681 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2682 return -EOPNOTSUPP; 2683 2684 if (smu->ppt_funcs->display_disable_memory_clock_switch) 2685 ret = smu->ppt_funcs->display_disable_memory_clock_switch(smu, disable_memory_clock_switch); 2686 2687 return ret; 2688 } 2689 2690 static int smu_set_xgmi_pstate(void *handle, 2691 uint32_t pstate) 2692 { 2693 struct smu_context *smu = handle; 2694 int ret = 0; 2695 2696 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2697 return -EOPNOTSUPP; 2698 2699 if (smu->ppt_funcs->set_xgmi_pstate) 2700 ret = smu->ppt_funcs->set_xgmi_pstate(smu, pstate); 2701 2702 if(ret) 2703 dev_err(smu->adev->dev, "Failed to set XGMI pstate!\n"); 2704 2705 return ret; 2706 } 2707 2708 static int smu_get_baco_capability(void *handle, bool *cap) 2709 { 2710 struct smu_context *smu = handle; 2711 2712 *cap = false; 2713 2714 if (!smu->pm_enabled) 2715 return 0; 2716 2717 if (smu->ppt_funcs && smu->ppt_funcs->baco_is_support) 2718 *cap = smu->ppt_funcs->baco_is_support(smu); 2719 2720 return 0; 2721 } 2722 2723 static int smu_baco_set_state(void *handle, int state) 2724 { 2725 struct smu_context *smu = handle; 2726 int ret = 0; 2727 2728 if (!smu->pm_enabled) 2729 return -EOPNOTSUPP; 2730 2731 if (state == 0) { 2732 if (smu->ppt_funcs->baco_exit) 2733 ret = smu->ppt_funcs->baco_exit(smu); 2734 } else if (state == 1) { 2735 if (smu->ppt_funcs->baco_enter) 2736 ret = smu->ppt_funcs->baco_enter(smu); 2737 } else { 2738 return -EINVAL; 2739 } 2740 2741 if (ret) 2742 dev_err(smu->adev->dev, "Failed to %s BACO state!\n", 2743 (state)?"enter":"exit"); 2744 2745 return ret; 2746 } 2747 2748 bool smu_mode1_reset_is_support(struct smu_context *smu) 2749 { 2750 bool ret = false; 2751 2752 if (!smu->pm_enabled) 2753 return false; 2754 2755 if (smu->ppt_funcs && smu->ppt_funcs->mode1_reset_is_support) 2756 ret = smu->ppt_funcs->mode1_reset_is_support(smu); 2757 2758 return ret; 2759 } 2760 2761 bool smu_mode2_reset_is_support(struct smu_context *smu) 2762 { 2763 bool ret = false; 2764 2765 if (!smu->pm_enabled) 2766 return false; 2767 2768 if (smu->ppt_funcs && smu->ppt_funcs->mode2_reset_is_support) 2769 ret = smu->ppt_funcs->mode2_reset_is_support(smu); 2770 2771 return ret; 2772 } 2773 2774 int smu_mode1_reset(struct smu_context *smu) 2775 { 2776 int ret = 0; 2777 2778 if (!smu->pm_enabled) 2779 return -EOPNOTSUPP; 2780 2781 if (smu->ppt_funcs->mode1_reset) 2782 ret = smu->ppt_funcs->mode1_reset(smu); 2783 2784 return ret; 2785 } 2786 2787 static int smu_mode2_reset(void *handle) 2788 { 2789 struct smu_context *smu = handle; 2790 int ret = 0; 2791 2792 if (!smu->pm_enabled) 2793 return -EOPNOTSUPP; 2794 2795 if (smu->ppt_funcs->mode2_reset) 2796 ret = smu->ppt_funcs->mode2_reset(smu); 2797 2798 if (ret) 2799 dev_err(smu->adev->dev, "Mode2 reset failed!\n"); 2800 2801 return ret; 2802 } 2803 2804 static int smu_get_max_sustainable_clocks_by_dc(void *handle, 2805 struct pp_smu_nv_clock_table *max_clocks) 2806 { 2807 struct smu_context *smu = handle; 2808 int ret = 0; 2809 2810 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2811 return -EOPNOTSUPP; 2812 2813 if (smu->ppt_funcs->get_max_sustainable_clocks_by_dc) 2814 ret = smu->ppt_funcs->get_max_sustainable_clocks_by_dc(smu, max_clocks); 2815 2816 return ret; 2817 } 2818 2819 static int smu_get_uclk_dpm_states(void *handle, 2820 unsigned int *clock_values_in_khz, 2821 unsigned int *num_states) 2822 { 2823 struct smu_context *smu = handle; 2824 int ret = 0; 2825 2826 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2827 return -EOPNOTSUPP; 2828 2829 if (smu->ppt_funcs->get_uclk_dpm_states) 2830 ret = smu->ppt_funcs->get_uclk_dpm_states(smu, clock_values_in_khz, num_states); 2831 2832 return ret; 2833 } 2834 2835 static enum amd_pm_state_type smu_get_current_power_state(void *handle) 2836 { 2837 struct smu_context *smu = handle; 2838 enum amd_pm_state_type pm_state = POWER_STATE_TYPE_DEFAULT; 2839 2840 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2841 return -EOPNOTSUPP; 2842 2843 if (smu->ppt_funcs->get_current_power_state) 2844 pm_state = smu->ppt_funcs->get_current_power_state(smu); 2845 2846 return pm_state; 2847 } 2848 2849 static int smu_get_dpm_clock_table(void *handle, 2850 struct dpm_clocks *clock_table) 2851 { 2852 struct smu_context *smu = handle; 2853 int ret = 0; 2854 2855 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2856 return -EOPNOTSUPP; 2857 2858 if (smu->ppt_funcs->get_dpm_clock_table) 2859 ret = smu->ppt_funcs->get_dpm_clock_table(smu, clock_table); 2860 2861 return ret; 2862 } 2863 2864 static ssize_t smu_sys_get_gpu_metrics(void *handle, void **table) 2865 { 2866 struct smu_context *smu = handle; 2867 2868 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2869 return -EOPNOTSUPP; 2870 2871 if (!smu->ppt_funcs->get_gpu_metrics) 2872 return -EOPNOTSUPP; 2873 2874 return smu->ppt_funcs->get_gpu_metrics(smu, table); 2875 } 2876 2877 static int smu_enable_mgpu_fan_boost(void *handle) 2878 { 2879 struct smu_context *smu = handle; 2880 int ret = 0; 2881 2882 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2883 return -EOPNOTSUPP; 2884 2885 if (smu->ppt_funcs->enable_mgpu_fan_boost) 2886 ret = smu->ppt_funcs->enable_mgpu_fan_boost(smu); 2887 2888 return ret; 2889 } 2890 2891 static int smu_gfx_state_change_set(void *handle, 2892 uint32_t state) 2893 { 2894 struct smu_context *smu = handle; 2895 int ret = 0; 2896 2897 if (smu->ppt_funcs->gfx_state_change_set) 2898 ret = smu->ppt_funcs->gfx_state_change_set(smu, state); 2899 2900 return ret; 2901 } 2902 2903 int smu_handle_passthrough_sbr(struct smu_context *smu, bool enable) 2904 { 2905 int ret = 0; 2906 2907 if (smu->ppt_funcs->smu_handle_passthrough_sbr) 2908 ret = smu->ppt_funcs->smu_handle_passthrough_sbr(smu, enable); 2909 2910 return ret; 2911 } 2912 2913 int smu_get_ecc_info(struct smu_context *smu, void *umc_ecc) 2914 { 2915 int ret = -EOPNOTSUPP; 2916 2917 if (smu->ppt_funcs && 2918 smu->ppt_funcs->get_ecc_info) 2919 ret = smu->ppt_funcs->get_ecc_info(smu, umc_ecc); 2920 2921 return ret; 2922 2923 } 2924 2925 static int smu_get_prv_buffer_details(void *handle, void **addr, size_t *size) 2926 { 2927 struct smu_context *smu = handle; 2928 struct smu_table_context *smu_table = &smu->smu_table; 2929 struct smu_table *memory_pool = &smu_table->memory_pool; 2930 2931 if (!addr || !size) 2932 return -EINVAL; 2933 2934 *addr = NULL; 2935 *size = 0; 2936 if (memory_pool->bo) { 2937 *addr = memory_pool->cpu_addr; 2938 *size = memory_pool->size; 2939 } 2940 2941 return 0; 2942 } 2943 2944 static const struct amd_pm_funcs swsmu_pm_funcs = { 2945 /* export for sysfs */ 2946 .set_fan_control_mode = smu_set_fan_control_mode, 2947 .get_fan_control_mode = smu_get_fan_control_mode, 2948 .set_fan_speed_pwm = smu_set_fan_speed_pwm, 2949 .get_fan_speed_pwm = smu_get_fan_speed_pwm, 2950 .force_clock_level = smu_force_ppclk_levels, 2951 .print_clock_levels = smu_print_ppclk_levels, 2952 .emit_clock_levels = smu_emit_ppclk_levels, 2953 .force_performance_level = smu_force_performance_level, 2954 .read_sensor = smu_read_sensor, 2955 .get_performance_level = smu_get_performance_level, 2956 .get_current_power_state = smu_get_current_power_state, 2957 .get_fan_speed_rpm = smu_get_fan_speed_rpm, 2958 .set_fan_speed_rpm = smu_set_fan_speed_rpm, 2959 .get_pp_num_states = smu_get_power_num_states, 2960 .get_pp_table = smu_sys_get_pp_table, 2961 .set_pp_table = smu_sys_set_pp_table, 2962 .switch_power_profile = smu_switch_power_profile, 2963 /* export to amdgpu */ 2964 .dispatch_tasks = smu_handle_dpm_task, 2965 .load_firmware = smu_load_microcode, 2966 .set_powergating_by_smu = smu_dpm_set_power_gate, 2967 .set_power_limit = smu_set_power_limit, 2968 .get_power_limit = smu_get_power_limit, 2969 .get_power_profile_mode = smu_get_power_profile_mode, 2970 .set_power_profile_mode = smu_set_power_profile_mode, 2971 .odn_edit_dpm_table = smu_od_edit_dpm_table, 2972 .set_mp1_state = smu_set_mp1_state, 2973 .gfx_state_change_set = smu_gfx_state_change_set, 2974 /* export to DC */ 2975 .get_sclk = smu_get_sclk, 2976 .get_mclk = smu_get_mclk, 2977 .display_configuration_change = smu_display_configuration_change, 2978 .get_clock_by_type_with_latency = smu_get_clock_by_type_with_latency, 2979 .display_clock_voltage_request = smu_display_clock_voltage_request, 2980 .enable_mgpu_fan_boost = smu_enable_mgpu_fan_boost, 2981 .set_active_display_count = smu_set_display_count, 2982 .set_min_deep_sleep_dcefclk = smu_set_deep_sleep_dcefclk, 2983 .get_asic_baco_capability = smu_get_baco_capability, 2984 .set_asic_baco_state = smu_baco_set_state, 2985 .get_ppfeature_status = smu_sys_get_pp_feature_mask, 2986 .set_ppfeature_status = smu_sys_set_pp_feature_mask, 2987 .asic_reset_mode_2 = smu_mode2_reset, 2988 .set_df_cstate = smu_set_df_cstate, 2989 .set_xgmi_pstate = smu_set_xgmi_pstate, 2990 .get_gpu_metrics = smu_sys_get_gpu_metrics, 2991 .set_watermarks_for_clock_ranges = smu_set_watermarks_for_clock_ranges, 2992 .display_disable_memory_clock_switch = smu_display_disable_memory_clock_switch, 2993 .get_max_sustainable_clocks_by_dc = smu_get_max_sustainable_clocks_by_dc, 2994 .get_uclk_dpm_states = smu_get_uclk_dpm_states, 2995 .get_dpm_clock_table = smu_get_dpm_clock_table, 2996 .get_smu_prv_buf_details = smu_get_prv_buffer_details, 2997 }; 2998 2999 int smu_wait_for_event(struct smu_context *smu, enum smu_event_type event, 3000 uint64_t event_arg) 3001 { 3002 int ret = -EINVAL; 3003 3004 if (smu->ppt_funcs->wait_for_event) 3005 ret = smu->ppt_funcs->wait_for_event(smu, event, event_arg); 3006 3007 return ret; 3008 } 3009 3010 int smu_stb_collect_info(struct smu_context *smu, void *buf, uint32_t size) 3011 { 3012 3013 if (!smu->ppt_funcs->stb_collect_info || !smu->stb_context.enabled) 3014 return -EOPNOTSUPP; 3015 3016 /* Confirm the buffer allocated is of correct size */ 3017 if (size != smu->stb_context.stb_buf_size) 3018 return -EINVAL; 3019 3020 /* 3021 * No need to lock smu mutex as we access STB directly through MMIO 3022 * and not going through SMU messaging route (for now at least). 3023 * For registers access rely on implementation internal locking. 3024 */ 3025 return smu->ppt_funcs->stb_collect_info(smu, buf, size); 3026 } 3027 3028 #if defined(CONFIG_DEBUG_FS) 3029 3030 static int smu_stb_debugfs_open(struct inode *inode, struct file *filp) 3031 { 3032 struct amdgpu_device *adev = filp->f_inode->i_private; 3033 struct smu_context *smu = adev->powerplay.pp_handle; 3034 unsigned char *buf; 3035 int r; 3036 3037 buf = kvmalloc_array(smu->stb_context.stb_buf_size, sizeof(*buf), GFP_KERNEL); 3038 if (!buf) 3039 return -ENOMEM; 3040 3041 r = smu_stb_collect_info(smu, buf, smu->stb_context.stb_buf_size); 3042 if (r) 3043 goto out; 3044 3045 filp->private_data = buf; 3046 3047 return 0; 3048 3049 out: 3050 kvfree(buf); 3051 return r; 3052 } 3053 3054 static ssize_t smu_stb_debugfs_read(struct file *filp, char __user *buf, size_t size, 3055 loff_t *pos) 3056 { 3057 struct amdgpu_device *adev = filp->f_inode->i_private; 3058 struct smu_context *smu = adev->powerplay.pp_handle; 3059 3060 3061 if (!filp->private_data) 3062 return -EINVAL; 3063 3064 return simple_read_from_buffer(buf, 3065 size, 3066 pos, filp->private_data, 3067 smu->stb_context.stb_buf_size); 3068 } 3069 3070 static int smu_stb_debugfs_release(struct inode *inode, struct file *filp) 3071 { 3072 kvfree(filp->private_data); 3073 filp->private_data = NULL; 3074 3075 return 0; 3076 } 3077 3078 /* 3079 * We have to define not only read method but also 3080 * open and release because .read takes up to PAGE_SIZE 3081 * data each time so and so is invoked multiple times. 3082 * We allocate the STB buffer in .open and release it 3083 * in .release 3084 */ 3085 static const struct file_operations smu_stb_debugfs_fops = { 3086 .owner = THIS_MODULE, 3087 .open = smu_stb_debugfs_open, 3088 .read = smu_stb_debugfs_read, 3089 .release = smu_stb_debugfs_release, 3090 .llseek = default_llseek, 3091 }; 3092 3093 #endif 3094 3095 void amdgpu_smu_stb_debug_fs_init(struct amdgpu_device *adev) 3096 { 3097 #if defined(CONFIG_DEBUG_FS) 3098 3099 struct smu_context *smu = adev->powerplay.pp_handle; 3100 3101 if (!smu || (!smu->stb_context.stb_buf_size)) 3102 return; 3103 3104 debugfs_create_file_size("amdgpu_smu_stb_dump", 3105 S_IRUSR, 3106 adev_to_drm(adev)->primary->debugfs_root, 3107 adev, 3108 &smu_stb_debugfs_fops, 3109 smu->stb_context.stb_buf_size); 3110 #endif 3111 } 3112 3113 int smu_send_hbm_bad_pages_num(struct smu_context *smu, uint32_t size) 3114 { 3115 int ret = 0; 3116 3117 if (smu->ppt_funcs && smu->ppt_funcs->send_hbm_bad_pages_num) 3118 ret = smu->ppt_funcs->send_hbm_bad_pages_num(smu, size); 3119 3120 return ret; 3121 } 3122 3123 int smu_send_hbm_bad_channel_flag(struct smu_context *smu, uint32_t size) 3124 { 3125 int ret = 0; 3126 3127 if (smu->ppt_funcs && smu->ppt_funcs->send_hbm_bad_channel_flag) 3128 ret = smu->ppt_funcs->send_hbm_bad_channel_flag(smu, size); 3129 3130 return ret; 3131 } 3132