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_set_residency_gfxoff(struct smu_context *smu, bool value) 94 { 95 if (!smu->ppt_funcs->set_gfx_off_residency) 96 return -EINVAL; 97 98 return smu_set_gfx_off_residency(smu, value); 99 } 100 101 int smu_get_residency_gfxoff(struct smu_context *smu, u32 *value) 102 { 103 if (!smu->ppt_funcs->get_gfx_off_residency) 104 return -EINVAL; 105 106 return smu_get_gfx_off_residency(smu, value); 107 } 108 109 int smu_get_entrycount_gfxoff(struct smu_context *smu, u64 *value) 110 { 111 if (!smu->ppt_funcs->get_gfx_off_entrycount) 112 return -EINVAL; 113 114 return smu_get_gfx_off_entrycount(smu, value); 115 } 116 117 int smu_get_status_gfxoff(struct smu_context *smu, uint32_t *value) 118 { 119 if (!smu->ppt_funcs->get_gfx_off_status) 120 return -EINVAL; 121 122 *value = smu_get_gfx_off_status(smu); 123 124 return 0; 125 } 126 127 int smu_set_soft_freq_range(struct smu_context *smu, 128 enum smu_clk_type clk_type, 129 uint32_t min, 130 uint32_t max) 131 { 132 int ret = 0; 133 134 if (smu->ppt_funcs->set_soft_freq_limited_range) 135 ret = smu->ppt_funcs->set_soft_freq_limited_range(smu, 136 clk_type, 137 min, 138 max); 139 140 return ret; 141 } 142 143 int smu_get_dpm_freq_range(struct smu_context *smu, 144 enum smu_clk_type clk_type, 145 uint32_t *min, 146 uint32_t *max) 147 { 148 int ret = -ENOTSUPP; 149 150 if (!min && !max) 151 return -EINVAL; 152 153 if (smu->ppt_funcs->get_dpm_ultimate_freq) 154 ret = smu->ppt_funcs->get_dpm_ultimate_freq(smu, 155 clk_type, 156 min, 157 max); 158 159 return ret; 160 } 161 162 int smu_set_gfx_power_up_by_imu(struct smu_context *smu) 163 { 164 if (!smu->ppt_funcs || !smu->ppt_funcs->set_gfx_power_up_by_imu) 165 return -EOPNOTSUPP; 166 167 return smu->ppt_funcs->set_gfx_power_up_by_imu(smu); 168 } 169 170 static u32 smu_get_mclk(void *handle, bool low) 171 { 172 struct smu_context *smu = handle; 173 uint32_t clk_freq; 174 int ret = 0; 175 176 ret = smu_get_dpm_freq_range(smu, SMU_UCLK, 177 low ? &clk_freq : NULL, 178 !low ? &clk_freq : NULL); 179 if (ret) 180 return 0; 181 return clk_freq * 100; 182 } 183 184 static u32 smu_get_sclk(void *handle, bool low) 185 { 186 struct smu_context *smu = handle; 187 uint32_t clk_freq; 188 int ret = 0; 189 190 ret = smu_get_dpm_freq_range(smu, SMU_GFXCLK, 191 low ? &clk_freq : NULL, 192 !low ? &clk_freq : NULL); 193 if (ret) 194 return 0; 195 return clk_freq * 100; 196 } 197 198 static int smu_dpm_set_vcn_enable(struct smu_context *smu, 199 bool enable) 200 { 201 struct smu_power_context *smu_power = &smu->smu_power; 202 struct smu_power_gate *power_gate = &smu_power->power_gate; 203 int ret = 0; 204 205 if (!smu->ppt_funcs->dpm_set_vcn_enable) 206 return 0; 207 208 if (atomic_read(&power_gate->vcn_gated) ^ enable) 209 return 0; 210 211 ret = smu->ppt_funcs->dpm_set_vcn_enable(smu, enable); 212 if (!ret) 213 atomic_set(&power_gate->vcn_gated, !enable); 214 215 return ret; 216 } 217 218 static int smu_dpm_set_jpeg_enable(struct smu_context *smu, 219 bool enable) 220 { 221 struct smu_power_context *smu_power = &smu->smu_power; 222 struct smu_power_gate *power_gate = &smu_power->power_gate; 223 int ret = 0; 224 225 if (!smu->ppt_funcs->dpm_set_jpeg_enable) 226 return 0; 227 228 if (atomic_read(&power_gate->jpeg_gated) ^ enable) 229 return 0; 230 231 ret = smu->ppt_funcs->dpm_set_jpeg_enable(smu, enable); 232 if (!ret) 233 atomic_set(&power_gate->jpeg_gated, !enable); 234 235 return ret; 236 } 237 238 /** 239 * smu_dpm_set_power_gate - power gate/ungate the specific IP block 240 * 241 * @handle: smu_context pointer 242 * @block_type: the IP block to power gate/ungate 243 * @gate: to power gate if true, ungate otherwise 244 * 245 * This API uses no smu->mutex lock protection due to: 246 * 1. It is either called by other IP block(gfx/sdma/vcn/uvd/vce). 247 * This is guarded to be race condition free by the caller. 248 * 2. Or get called on user setting request of power_dpm_force_performance_level. 249 * Under this case, the smu->mutex lock protection is already enforced on 250 * the parent API smu_force_performance_level of the call path. 251 */ 252 static int smu_dpm_set_power_gate(void *handle, 253 uint32_t block_type, 254 bool gate) 255 { 256 struct smu_context *smu = handle; 257 int ret = 0; 258 259 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) { 260 dev_WARN(smu->adev->dev, 261 "SMU uninitialized but power %s requested for %u!\n", 262 gate ? "gate" : "ungate", block_type); 263 return -EOPNOTSUPP; 264 } 265 266 switch (block_type) { 267 /* 268 * Some legacy code of amdgpu_vcn.c and vcn_v2*.c still uses 269 * AMD_IP_BLOCK_TYPE_UVD for VCN. So, here both of them are kept. 270 */ 271 case AMD_IP_BLOCK_TYPE_UVD: 272 case AMD_IP_BLOCK_TYPE_VCN: 273 ret = smu_dpm_set_vcn_enable(smu, !gate); 274 if (ret) 275 dev_err(smu->adev->dev, "Failed to power %s VCN!\n", 276 gate ? "gate" : "ungate"); 277 break; 278 case AMD_IP_BLOCK_TYPE_GFX: 279 ret = smu_gfx_off_control(smu, gate); 280 if (ret) 281 dev_err(smu->adev->dev, "Failed to %s gfxoff!\n", 282 gate ? "enable" : "disable"); 283 break; 284 case AMD_IP_BLOCK_TYPE_SDMA: 285 ret = smu_powergate_sdma(smu, gate); 286 if (ret) 287 dev_err(smu->adev->dev, "Failed to power %s SDMA!\n", 288 gate ? "gate" : "ungate"); 289 break; 290 case AMD_IP_BLOCK_TYPE_JPEG: 291 ret = smu_dpm_set_jpeg_enable(smu, !gate); 292 if (ret) 293 dev_err(smu->adev->dev, "Failed to power %s JPEG!\n", 294 gate ? "gate" : "ungate"); 295 break; 296 default: 297 dev_err(smu->adev->dev, "Unsupported block type!\n"); 298 return -EINVAL; 299 } 300 301 return ret; 302 } 303 304 /** 305 * smu_set_user_clk_dependencies - set user profile clock dependencies 306 * 307 * @smu: smu_context pointer 308 * @clk: enum smu_clk_type type 309 * 310 * Enable/Disable the clock dependency for the @clk type. 311 */ 312 static void smu_set_user_clk_dependencies(struct smu_context *smu, enum smu_clk_type clk) 313 { 314 if (smu->adev->in_suspend) 315 return; 316 317 if (clk == SMU_MCLK) { 318 smu->user_dpm_profile.clk_dependency = 0; 319 smu->user_dpm_profile.clk_dependency = BIT(SMU_FCLK) | BIT(SMU_SOCCLK); 320 } else if (clk == SMU_FCLK) { 321 /* MCLK takes precedence over FCLK */ 322 if (smu->user_dpm_profile.clk_dependency == (BIT(SMU_FCLK) | BIT(SMU_SOCCLK))) 323 return; 324 325 smu->user_dpm_profile.clk_dependency = 0; 326 smu->user_dpm_profile.clk_dependency = BIT(SMU_MCLK) | BIT(SMU_SOCCLK); 327 } else if (clk == SMU_SOCCLK) { 328 /* MCLK takes precedence over SOCCLK */ 329 if (smu->user_dpm_profile.clk_dependency == (BIT(SMU_FCLK) | BIT(SMU_SOCCLK))) 330 return; 331 332 smu->user_dpm_profile.clk_dependency = 0; 333 smu->user_dpm_profile.clk_dependency = BIT(SMU_MCLK) | BIT(SMU_FCLK); 334 } else 335 /* Add clk dependencies here, if any */ 336 return; 337 } 338 339 /** 340 * smu_restore_dpm_user_profile - reinstate user dpm profile 341 * 342 * @smu: smu_context pointer 343 * 344 * Restore the saved user power configurations include power limit, 345 * clock frequencies, fan control mode and fan speed. 346 */ 347 static void smu_restore_dpm_user_profile(struct smu_context *smu) 348 { 349 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm); 350 int ret = 0; 351 352 if (!smu->adev->in_suspend) 353 return; 354 355 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 356 return; 357 358 /* Enable restore flag */ 359 smu->user_dpm_profile.flags |= SMU_DPM_USER_PROFILE_RESTORE; 360 361 /* set the user dpm power limit */ 362 if (smu->user_dpm_profile.power_limit) { 363 ret = smu_set_power_limit(smu, smu->user_dpm_profile.power_limit); 364 if (ret) 365 dev_err(smu->adev->dev, "Failed to set power limit value\n"); 366 } 367 368 /* set the user dpm clock configurations */ 369 if (smu_dpm_ctx->dpm_level == AMD_DPM_FORCED_LEVEL_MANUAL) { 370 enum smu_clk_type clk_type; 371 372 for (clk_type = 0; clk_type < SMU_CLK_COUNT; clk_type++) { 373 /* 374 * Iterate over smu clk type and force the saved user clk 375 * configs, skip if clock dependency is enabled 376 */ 377 if (!(smu->user_dpm_profile.clk_dependency & BIT(clk_type)) && 378 smu->user_dpm_profile.clk_mask[clk_type]) { 379 ret = smu_force_smuclk_levels(smu, clk_type, 380 smu->user_dpm_profile.clk_mask[clk_type]); 381 if (ret) 382 dev_err(smu->adev->dev, 383 "Failed to set clock type = %d\n", clk_type); 384 } 385 } 386 } 387 388 /* set the user dpm fan configurations */ 389 if (smu->user_dpm_profile.fan_mode == AMD_FAN_CTRL_MANUAL || 390 smu->user_dpm_profile.fan_mode == AMD_FAN_CTRL_NONE) { 391 ret = smu_set_fan_control_mode(smu, smu->user_dpm_profile.fan_mode); 392 if (ret != -EOPNOTSUPP) { 393 smu->user_dpm_profile.fan_speed_pwm = 0; 394 smu->user_dpm_profile.fan_speed_rpm = 0; 395 smu->user_dpm_profile.fan_mode = AMD_FAN_CTRL_AUTO; 396 dev_err(smu->adev->dev, "Failed to set manual fan control mode\n"); 397 } 398 399 if (smu->user_dpm_profile.fan_speed_pwm) { 400 ret = smu_set_fan_speed_pwm(smu, smu->user_dpm_profile.fan_speed_pwm); 401 if (ret != -EOPNOTSUPP) 402 dev_err(smu->adev->dev, "Failed to set manual fan speed in pwm\n"); 403 } 404 405 if (smu->user_dpm_profile.fan_speed_rpm) { 406 ret = smu_set_fan_speed_rpm(smu, smu->user_dpm_profile.fan_speed_rpm); 407 if (ret != -EOPNOTSUPP) 408 dev_err(smu->adev->dev, "Failed to set manual fan speed in rpm\n"); 409 } 410 } 411 412 /* Restore user customized OD settings */ 413 if (smu->user_dpm_profile.user_od) { 414 if (smu->ppt_funcs->restore_user_od_settings) { 415 ret = smu->ppt_funcs->restore_user_od_settings(smu); 416 if (ret) 417 dev_err(smu->adev->dev, "Failed to upload customized OD settings\n"); 418 } 419 } 420 421 /* Disable restore flag */ 422 smu->user_dpm_profile.flags &= ~SMU_DPM_USER_PROFILE_RESTORE; 423 } 424 425 static int smu_get_power_num_states(void *handle, 426 struct pp_states_info *state_info) 427 { 428 if (!state_info) 429 return -EINVAL; 430 431 /* not support power state */ 432 memset(state_info, 0, sizeof(struct pp_states_info)); 433 state_info->nums = 1; 434 state_info->states[0] = POWER_STATE_TYPE_DEFAULT; 435 436 return 0; 437 } 438 439 bool is_support_sw_smu(struct amdgpu_device *adev) 440 { 441 /* vega20 is 11.0.2, but it's supported via the powerplay code */ 442 if (adev->asic_type == CHIP_VEGA20) 443 return false; 444 445 if (adev->ip_versions[MP1_HWIP][0] >= IP_VERSION(11, 0, 0)) 446 return true; 447 448 return false; 449 } 450 451 bool is_support_cclk_dpm(struct amdgpu_device *adev) 452 { 453 struct smu_context *smu = adev->powerplay.pp_handle; 454 455 if (!smu_feature_is_enabled(smu, SMU_FEATURE_CCLK_DPM_BIT)) 456 return false; 457 458 return true; 459 } 460 461 462 static int smu_sys_get_pp_table(void *handle, 463 char **table) 464 { 465 struct smu_context *smu = handle; 466 struct smu_table_context *smu_table = &smu->smu_table; 467 468 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 469 return -EOPNOTSUPP; 470 471 if (!smu_table->power_play_table && !smu_table->hardcode_pptable) 472 return -EINVAL; 473 474 if (smu_table->hardcode_pptable) 475 *table = smu_table->hardcode_pptable; 476 else 477 *table = smu_table->power_play_table; 478 479 return smu_table->power_play_table_size; 480 } 481 482 static int smu_sys_set_pp_table(void *handle, 483 const char *buf, 484 size_t size) 485 { 486 struct smu_context *smu = handle; 487 struct smu_table_context *smu_table = &smu->smu_table; 488 ATOM_COMMON_TABLE_HEADER *header = (ATOM_COMMON_TABLE_HEADER *)buf; 489 int ret = 0; 490 491 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 492 return -EOPNOTSUPP; 493 494 if (header->usStructureSize != size) { 495 dev_err(smu->adev->dev, "pp table size not matched !\n"); 496 return -EIO; 497 } 498 499 if (!smu_table->hardcode_pptable) { 500 smu_table->hardcode_pptable = kzalloc(size, GFP_KERNEL); 501 if (!smu_table->hardcode_pptable) 502 return -ENOMEM; 503 } 504 505 memcpy(smu_table->hardcode_pptable, buf, size); 506 smu_table->power_play_table = smu_table->hardcode_pptable; 507 smu_table->power_play_table_size = size; 508 509 /* 510 * Special hw_fini action(for Navi1x, the DPMs disablement will be 511 * skipped) may be needed for custom pptable uploading. 512 */ 513 smu->uploading_custom_pp_table = true; 514 515 ret = smu_reset(smu); 516 if (ret) 517 dev_info(smu->adev->dev, "smu reset failed, ret = %d\n", ret); 518 519 smu->uploading_custom_pp_table = false; 520 521 return ret; 522 } 523 524 static int smu_get_driver_allowed_feature_mask(struct smu_context *smu) 525 { 526 struct smu_feature *feature = &smu->smu_feature; 527 uint32_t allowed_feature_mask[SMU_FEATURE_MAX/32]; 528 int ret = 0; 529 530 /* 531 * With SCPM enabled, the allowed featuremasks setting(via 532 * PPSMC_MSG_SetAllowedFeaturesMaskLow/High) is not permitted. 533 * That means there is no way to let PMFW knows the settings below. 534 * Thus, we just assume all the features are allowed under 535 * such scenario. 536 */ 537 if (smu->adev->scpm_enabled) { 538 bitmap_fill(feature->allowed, SMU_FEATURE_MAX); 539 return 0; 540 } 541 542 bitmap_zero(feature->allowed, SMU_FEATURE_MAX); 543 544 ret = smu_get_allowed_feature_mask(smu, allowed_feature_mask, 545 SMU_FEATURE_MAX/32); 546 if (ret) 547 return ret; 548 549 bitmap_or(feature->allowed, feature->allowed, 550 (unsigned long *)allowed_feature_mask, 551 feature->feature_num); 552 553 return ret; 554 } 555 556 static int smu_set_funcs(struct amdgpu_device *adev) 557 { 558 struct smu_context *smu = adev->powerplay.pp_handle; 559 560 if (adev->pm.pp_feature & PP_OVERDRIVE_MASK) 561 smu->od_enabled = true; 562 563 switch (adev->ip_versions[MP1_HWIP][0]) { 564 case IP_VERSION(11, 0, 0): 565 case IP_VERSION(11, 0, 5): 566 case IP_VERSION(11, 0, 9): 567 navi10_set_ppt_funcs(smu); 568 break; 569 case IP_VERSION(11, 0, 7): 570 case IP_VERSION(11, 0, 11): 571 case IP_VERSION(11, 0, 12): 572 case IP_VERSION(11, 0, 13): 573 sienna_cichlid_set_ppt_funcs(smu); 574 break; 575 case IP_VERSION(12, 0, 0): 576 case IP_VERSION(12, 0, 1): 577 renoir_set_ppt_funcs(smu); 578 break; 579 case IP_VERSION(11, 5, 0): 580 vangogh_set_ppt_funcs(smu); 581 break; 582 case IP_VERSION(13, 0, 1): 583 case IP_VERSION(13, 0, 3): 584 case IP_VERSION(13, 0, 8): 585 yellow_carp_set_ppt_funcs(smu); 586 break; 587 case IP_VERSION(13, 0, 4): 588 case IP_VERSION(13, 0, 11): 589 smu_v13_0_4_set_ppt_funcs(smu); 590 break; 591 case IP_VERSION(13, 0, 5): 592 smu_v13_0_5_set_ppt_funcs(smu); 593 break; 594 case IP_VERSION(11, 0, 8): 595 cyan_skillfish_set_ppt_funcs(smu); 596 break; 597 case IP_VERSION(11, 0, 2): 598 adev->pm.pp_feature &= ~PP_GFXOFF_MASK; 599 arcturus_set_ppt_funcs(smu); 600 /* OD is not supported on Arcturus */ 601 smu->od_enabled =false; 602 break; 603 case IP_VERSION(13, 0, 2): 604 aldebaran_set_ppt_funcs(smu); 605 /* Enable pp_od_clk_voltage node */ 606 smu->od_enabled = true; 607 break; 608 case IP_VERSION(13, 0, 0): 609 case IP_VERSION(13, 0, 10): 610 smu_v13_0_0_set_ppt_funcs(smu); 611 break; 612 case IP_VERSION(13, 0, 7): 613 smu_v13_0_7_set_ppt_funcs(smu); 614 break; 615 default: 616 return -EINVAL; 617 } 618 619 return 0; 620 } 621 622 static int smu_early_init(void *handle) 623 { 624 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 625 struct smu_context *smu; 626 627 smu = kzalloc(sizeof(struct smu_context), GFP_KERNEL); 628 if (!smu) 629 return -ENOMEM; 630 631 smu->adev = adev; 632 smu->pm_enabled = !!amdgpu_dpm; 633 smu->is_apu = false; 634 smu->smu_baco.state = SMU_BACO_STATE_EXIT; 635 smu->smu_baco.platform_support = false; 636 smu->user_dpm_profile.fan_mode = -1; 637 638 mutex_init(&smu->message_lock); 639 640 adev->powerplay.pp_handle = smu; 641 adev->powerplay.pp_funcs = &swsmu_pm_funcs; 642 643 return smu_set_funcs(adev); 644 } 645 646 static int smu_set_default_dpm_table(struct smu_context *smu) 647 { 648 struct smu_power_context *smu_power = &smu->smu_power; 649 struct smu_power_gate *power_gate = &smu_power->power_gate; 650 int vcn_gate, jpeg_gate; 651 int ret = 0; 652 653 if (!smu->ppt_funcs->set_default_dpm_table) 654 return 0; 655 656 vcn_gate = atomic_read(&power_gate->vcn_gated); 657 jpeg_gate = atomic_read(&power_gate->jpeg_gated); 658 659 ret = smu_dpm_set_vcn_enable(smu, true); 660 if (ret) 661 return ret; 662 663 ret = smu_dpm_set_jpeg_enable(smu, true); 664 if (ret) 665 goto err_out; 666 667 ret = smu->ppt_funcs->set_default_dpm_table(smu); 668 if (ret) 669 dev_err(smu->adev->dev, 670 "Failed to setup default dpm clock tables!\n"); 671 672 smu_dpm_set_jpeg_enable(smu, !jpeg_gate); 673 err_out: 674 smu_dpm_set_vcn_enable(smu, !vcn_gate); 675 return ret; 676 } 677 678 static int smu_apply_default_config_table_settings(struct smu_context *smu) 679 { 680 struct amdgpu_device *adev = smu->adev; 681 int ret = 0; 682 683 ret = smu_get_default_config_table_settings(smu, 684 &adev->pm.config_table); 685 if (ret) 686 return ret; 687 688 return smu_set_config_table(smu, &adev->pm.config_table); 689 } 690 691 static int smu_late_init(void *handle) 692 { 693 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 694 struct smu_context *smu = adev->powerplay.pp_handle; 695 int ret = 0; 696 697 smu_set_fine_grain_gfx_freq_parameters(smu); 698 699 if (!smu->pm_enabled) 700 return 0; 701 702 ret = smu_post_init(smu); 703 if (ret) { 704 dev_err(adev->dev, "Failed to post smu init!\n"); 705 return ret; 706 } 707 708 if ((adev->ip_versions[MP1_HWIP][0] == IP_VERSION(13, 0, 1)) || 709 (adev->ip_versions[MP1_HWIP][0] == IP_VERSION(13, 0, 3))) 710 return 0; 711 712 if (!amdgpu_sriov_vf(adev) || smu->od_enabled) { 713 ret = smu_set_default_od_settings(smu); 714 if (ret) { 715 dev_err(adev->dev, "Failed to setup default OD settings!\n"); 716 return ret; 717 } 718 } 719 720 ret = smu_populate_umd_state_clk(smu); 721 if (ret) { 722 dev_err(adev->dev, "Failed to populate UMD state clocks!\n"); 723 return ret; 724 } 725 726 ret = smu_get_asic_power_limits(smu, 727 &smu->current_power_limit, 728 &smu->default_power_limit, 729 &smu->max_power_limit); 730 if (ret) { 731 dev_err(adev->dev, "Failed to get asic power limits!\n"); 732 return ret; 733 } 734 735 if (!amdgpu_sriov_vf(adev)) 736 smu_get_unique_id(smu); 737 738 smu_get_fan_parameters(smu); 739 740 smu_handle_task(smu, 741 smu->smu_dpm.dpm_level, 742 AMD_PP_TASK_COMPLETE_INIT); 743 744 ret = smu_apply_default_config_table_settings(smu); 745 if (ret && (ret != -EOPNOTSUPP)) { 746 dev_err(adev->dev, "Failed to apply default DriverSmuConfig settings!\n"); 747 return ret; 748 } 749 750 smu_restore_dpm_user_profile(smu); 751 752 return 0; 753 } 754 755 static int smu_init_fb_allocations(struct smu_context *smu) 756 { 757 struct amdgpu_device *adev = smu->adev; 758 struct smu_table_context *smu_table = &smu->smu_table; 759 struct smu_table *tables = smu_table->tables; 760 struct smu_table *driver_table = &(smu_table->driver_table); 761 uint32_t max_table_size = 0; 762 int ret, i; 763 764 /* VRAM allocation for tool table */ 765 if (tables[SMU_TABLE_PMSTATUSLOG].size) { 766 ret = amdgpu_bo_create_kernel(adev, 767 tables[SMU_TABLE_PMSTATUSLOG].size, 768 tables[SMU_TABLE_PMSTATUSLOG].align, 769 tables[SMU_TABLE_PMSTATUSLOG].domain, 770 &tables[SMU_TABLE_PMSTATUSLOG].bo, 771 &tables[SMU_TABLE_PMSTATUSLOG].mc_address, 772 &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr); 773 if (ret) { 774 dev_err(adev->dev, "VRAM allocation for tool table failed!\n"); 775 return ret; 776 } 777 } 778 779 /* VRAM allocation for driver table */ 780 for (i = 0; i < SMU_TABLE_COUNT; i++) { 781 if (tables[i].size == 0) 782 continue; 783 784 if (i == SMU_TABLE_PMSTATUSLOG) 785 continue; 786 787 if (max_table_size < tables[i].size) 788 max_table_size = tables[i].size; 789 } 790 791 driver_table->size = max_table_size; 792 driver_table->align = PAGE_SIZE; 793 driver_table->domain = AMDGPU_GEM_DOMAIN_VRAM; 794 795 ret = amdgpu_bo_create_kernel(adev, 796 driver_table->size, 797 driver_table->align, 798 driver_table->domain, 799 &driver_table->bo, 800 &driver_table->mc_address, 801 &driver_table->cpu_addr); 802 if (ret) { 803 dev_err(adev->dev, "VRAM allocation for driver table failed!\n"); 804 if (tables[SMU_TABLE_PMSTATUSLOG].mc_address) 805 amdgpu_bo_free_kernel(&tables[SMU_TABLE_PMSTATUSLOG].bo, 806 &tables[SMU_TABLE_PMSTATUSLOG].mc_address, 807 &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr); 808 } 809 810 return ret; 811 } 812 813 static int smu_fini_fb_allocations(struct smu_context *smu) 814 { 815 struct smu_table_context *smu_table = &smu->smu_table; 816 struct smu_table *tables = smu_table->tables; 817 struct smu_table *driver_table = &(smu_table->driver_table); 818 819 if (tables[SMU_TABLE_PMSTATUSLOG].mc_address) 820 amdgpu_bo_free_kernel(&tables[SMU_TABLE_PMSTATUSLOG].bo, 821 &tables[SMU_TABLE_PMSTATUSLOG].mc_address, 822 &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr); 823 824 amdgpu_bo_free_kernel(&driver_table->bo, 825 &driver_table->mc_address, 826 &driver_table->cpu_addr); 827 828 return 0; 829 } 830 831 /** 832 * smu_alloc_memory_pool - allocate memory pool in the system memory 833 * 834 * @smu: amdgpu_device pointer 835 * 836 * This memory pool will be used for SMC use and msg SetSystemVirtualDramAddr 837 * and DramLogSetDramAddr can notify it changed. 838 * 839 * Returns 0 on success, error on failure. 840 */ 841 static int smu_alloc_memory_pool(struct smu_context *smu) 842 { 843 struct amdgpu_device *adev = smu->adev; 844 struct smu_table_context *smu_table = &smu->smu_table; 845 struct smu_table *memory_pool = &smu_table->memory_pool; 846 uint64_t pool_size = smu->pool_size; 847 int ret = 0; 848 849 if (pool_size == SMU_MEMORY_POOL_SIZE_ZERO) 850 return ret; 851 852 memory_pool->size = pool_size; 853 memory_pool->align = PAGE_SIZE; 854 memory_pool->domain = AMDGPU_GEM_DOMAIN_GTT; 855 856 switch (pool_size) { 857 case SMU_MEMORY_POOL_SIZE_256_MB: 858 case SMU_MEMORY_POOL_SIZE_512_MB: 859 case SMU_MEMORY_POOL_SIZE_1_GB: 860 case SMU_MEMORY_POOL_SIZE_2_GB: 861 ret = amdgpu_bo_create_kernel(adev, 862 memory_pool->size, 863 memory_pool->align, 864 memory_pool->domain, 865 &memory_pool->bo, 866 &memory_pool->mc_address, 867 &memory_pool->cpu_addr); 868 if (ret) 869 dev_err(adev->dev, "VRAM allocation for dramlog failed!\n"); 870 break; 871 default: 872 break; 873 } 874 875 return ret; 876 } 877 878 static int smu_free_memory_pool(struct smu_context *smu) 879 { 880 struct smu_table_context *smu_table = &smu->smu_table; 881 struct smu_table *memory_pool = &smu_table->memory_pool; 882 883 if (memory_pool->size == SMU_MEMORY_POOL_SIZE_ZERO) 884 return 0; 885 886 amdgpu_bo_free_kernel(&memory_pool->bo, 887 &memory_pool->mc_address, 888 &memory_pool->cpu_addr); 889 890 memset(memory_pool, 0, sizeof(struct smu_table)); 891 892 return 0; 893 } 894 895 static int smu_alloc_dummy_read_table(struct smu_context *smu) 896 { 897 struct smu_table_context *smu_table = &smu->smu_table; 898 struct smu_table *dummy_read_1_table = 899 &smu_table->dummy_read_1_table; 900 struct amdgpu_device *adev = smu->adev; 901 int ret = 0; 902 903 dummy_read_1_table->size = 0x40000; 904 dummy_read_1_table->align = PAGE_SIZE; 905 dummy_read_1_table->domain = AMDGPU_GEM_DOMAIN_VRAM; 906 907 ret = amdgpu_bo_create_kernel(adev, 908 dummy_read_1_table->size, 909 dummy_read_1_table->align, 910 dummy_read_1_table->domain, 911 &dummy_read_1_table->bo, 912 &dummy_read_1_table->mc_address, 913 &dummy_read_1_table->cpu_addr); 914 if (ret) 915 dev_err(adev->dev, "VRAM allocation for dummy read table failed!\n"); 916 917 return ret; 918 } 919 920 static void smu_free_dummy_read_table(struct smu_context *smu) 921 { 922 struct smu_table_context *smu_table = &smu->smu_table; 923 struct smu_table *dummy_read_1_table = 924 &smu_table->dummy_read_1_table; 925 926 927 amdgpu_bo_free_kernel(&dummy_read_1_table->bo, 928 &dummy_read_1_table->mc_address, 929 &dummy_read_1_table->cpu_addr); 930 931 memset(dummy_read_1_table, 0, sizeof(struct smu_table)); 932 } 933 934 static int smu_smc_table_sw_init(struct smu_context *smu) 935 { 936 int ret; 937 938 /** 939 * Create smu_table structure, and init smc tables such as 940 * TABLE_PPTABLE, TABLE_WATERMARKS, TABLE_SMU_METRICS, and etc. 941 */ 942 ret = smu_init_smc_tables(smu); 943 if (ret) { 944 dev_err(smu->adev->dev, "Failed to init smc tables!\n"); 945 return ret; 946 } 947 948 /** 949 * Create smu_power_context structure, and allocate smu_dpm_context and 950 * context size to fill the smu_power_context data. 951 */ 952 ret = smu_init_power(smu); 953 if (ret) { 954 dev_err(smu->adev->dev, "Failed to init smu_init_power!\n"); 955 return ret; 956 } 957 958 /* 959 * allocate vram bos to store smc table contents. 960 */ 961 ret = smu_init_fb_allocations(smu); 962 if (ret) 963 return ret; 964 965 ret = smu_alloc_memory_pool(smu); 966 if (ret) 967 return ret; 968 969 ret = smu_alloc_dummy_read_table(smu); 970 if (ret) 971 return ret; 972 973 ret = smu_i2c_init(smu); 974 if (ret) 975 return ret; 976 977 return 0; 978 } 979 980 static int smu_smc_table_sw_fini(struct smu_context *smu) 981 { 982 int ret; 983 984 smu_i2c_fini(smu); 985 986 smu_free_dummy_read_table(smu); 987 988 ret = smu_free_memory_pool(smu); 989 if (ret) 990 return ret; 991 992 ret = smu_fini_fb_allocations(smu); 993 if (ret) 994 return ret; 995 996 ret = smu_fini_power(smu); 997 if (ret) { 998 dev_err(smu->adev->dev, "Failed to init smu_fini_power!\n"); 999 return ret; 1000 } 1001 1002 ret = smu_fini_smc_tables(smu); 1003 if (ret) { 1004 dev_err(smu->adev->dev, "Failed to smu_fini_smc_tables!\n"); 1005 return ret; 1006 } 1007 1008 return 0; 1009 } 1010 1011 static void smu_throttling_logging_work_fn(struct work_struct *work) 1012 { 1013 struct smu_context *smu = container_of(work, struct smu_context, 1014 throttling_logging_work); 1015 1016 smu_log_thermal_throttling(smu); 1017 } 1018 1019 static void smu_interrupt_work_fn(struct work_struct *work) 1020 { 1021 struct smu_context *smu = container_of(work, struct smu_context, 1022 interrupt_work); 1023 1024 if (smu->ppt_funcs && smu->ppt_funcs->interrupt_work) 1025 smu->ppt_funcs->interrupt_work(smu); 1026 } 1027 1028 static int smu_sw_init(void *handle) 1029 { 1030 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1031 struct smu_context *smu = adev->powerplay.pp_handle; 1032 int ret; 1033 1034 smu->pool_size = adev->pm.smu_prv_buffer_size; 1035 smu->smu_feature.feature_num = SMU_FEATURE_MAX; 1036 bitmap_zero(smu->smu_feature.supported, SMU_FEATURE_MAX); 1037 bitmap_zero(smu->smu_feature.allowed, SMU_FEATURE_MAX); 1038 1039 INIT_WORK(&smu->throttling_logging_work, smu_throttling_logging_work_fn); 1040 INIT_WORK(&smu->interrupt_work, smu_interrupt_work_fn); 1041 atomic64_set(&smu->throttle_int_counter, 0); 1042 smu->watermarks_bitmap = 0; 1043 smu->power_profile_mode = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT; 1044 smu->default_power_profile_mode = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT; 1045 1046 atomic_set(&smu->smu_power.power_gate.vcn_gated, 1); 1047 atomic_set(&smu->smu_power.power_gate.jpeg_gated, 1); 1048 1049 smu->workload_mask = 1 << smu->workload_prority[PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT]; 1050 smu->workload_prority[PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT] = 0; 1051 smu->workload_prority[PP_SMC_POWER_PROFILE_FULLSCREEN3D] = 1; 1052 smu->workload_prority[PP_SMC_POWER_PROFILE_POWERSAVING] = 2; 1053 smu->workload_prority[PP_SMC_POWER_PROFILE_VIDEO] = 3; 1054 smu->workload_prority[PP_SMC_POWER_PROFILE_VR] = 4; 1055 smu->workload_prority[PP_SMC_POWER_PROFILE_COMPUTE] = 5; 1056 smu->workload_prority[PP_SMC_POWER_PROFILE_CUSTOM] = 6; 1057 1058 smu->workload_setting[0] = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT; 1059 smu->workload_setting[1] = PP_SMC_POWER_PROFILE_FULLSCREEN3D; 1060 smu->workload_setting[2] = PP_SMC_POWER_PROFILE_POWERSAVING; 1061 smu->workload_setting[3] = PP_SMC_POWER_PROFILE_VIDEO; 1062 smu->workload_setting[4] = PP_SMC_POWER_PROFILE_VR; 1063 smu->workload_setting[5] = PP_SMC_POWER_PROFILE_COMPUTE; 1064 smu->workload_setting[6] = PP_SMC_POWER_PROFILE_CUSTOM; 1065 smu->display_config = &adev->pm.pm_display_cfg; 1066 1067 smu->smu_dpm.dpm_level = AMD_DPM_FORCED_LEVEL_AUTO; 1068 smu->smu_dpm.requested_dpm_level = AMD_DPM_FORCED_LEVEL_AUTO; 1069 1070 ret = smu_init_microcode(smu); 1071 if (ret) { 1072 dev_err(adev->dev, "Failed to load smu firmware!\n"); 1073 return ret; 1074 } 1075 1076 ret = smu_smc_table_sw_init(smu); 1077 if (ret) { 1078 dev_err(adev->dev, "Failed to sw init smc table!\n"); 1079 return ret; 1080 } 1081 1082 /* get boot_values from vbios to set revision, gfxclk, and etc. */ 1083 ret = smu_get_vbios_bootup_values(smu); 1084 if (ret) { 1085 dev_err(adev->dev, "Failed to get VBIOS boot clock values!\n"); 1086 return ret; 1087 } 1088 1089 ret = smu_init_pptable_microcode(smu); 1090 if (ret) { 1091 dev_err(adev->dev, "Failed to setup pptable firmware!\n"); 1092 return ret; 1093 } 1094 1095 ret = smu_register_irq_handler(smu); 1096 if (ret) { 1097 dev_err(adev->dev, "Failed to register smc irq handler!\n"); 1098 return ret; 1099 } 1100 1101 /* If there is no way to query fan control mode, fan control is not supported */ 1102 if (!smu->ppt_funcs->get_fan_control_mode) 1103 smu->adev->pm.no_fan = true; 1104 1105 return 0; 1106 } 1107 1108 static int smu_sw_fini(void *handle) 1109 { 1110 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1111 struct smu_context *smu = adev->powerplay.pp_handle; 1112 int ret; 1113 1114 ret = smu_smc_table_sw_fini(smu); 1115 if (ret) { 1116 dev_err(adev->dev, "Failed to sw fini smc table!\n"); 1117 return ret; 1118 } 1119 1120 smu_fini_microcode(smu); 1121 1122 return 0; 1123 } 1124 1125 static int smu_get_thermal_temperature_range(struct smu_context *smu) 1126 { 1127 struct amdgpu_device *adev = smu->adev; 1128 struct smu_temperature_range *range = 1129 &smu->thermal_range; 1130 int ret = 0; 1131 1132 if (!smu->ppt_funcs->get_thermal_temperature_range) 1133 return 0; 1134 1135 ret = smu->ppt_funcs->get_thermal_temperature_range(smu, range); 1136 if (ret) 1137 return ret; 1138 1139 adev->pm.dpm.thermal.min_temp = range->min; 1140 adev->pm.dpm.thermal.max_temp = range->max; 1141 adev->pm.dpm.thermal.max_edge_emergency_temp = range->edge_emergency_max; 1142 adev->pm.dpm.thermal.min_hotspot_temp = range->hotspot_min; 1143 adev->pm.dpm.thermal.max_hotspot_crit_temp = range->hotspot_crit_max; 1144 adev->pm.dpm.thermal.max_hotspot_emergency_temp = range->hotspot_emergency_max; 1145 adev->pm.dpm.thermal.min_mem_temp = range->mem_min; 1146 adev->pm.dpm.thermal.max_mem_crit_temp = range->mem_crit_max; 1147 adev->pm.dpm.thermal.max_mem_emergency_temp = range->mem_emergency_max; 1148 1149 return ret; 1150 } 1151 1152 static int smu_smc_hw_setup(struct smu_context *smu) 1153 { 1154 struct smu_feature *feature = &smu->smu_feature; 1155 struct amdgpu_device *adev = smu->adev; 1156 uint32_t pcie_gen = 0, pcie_width = 0; 1157 uint64_t features_supported; 1158 int ret = 0; 1159 1160 switch (adev->ip_versions[MP1_HWIP][0]) { 1161 case IP_VERSION(11, 0, 7): 1162 case IP_VERSION(11, 0, 11): 1163 case IP_VERSION(11, 5, 0): 1164 case IP_VERSION(11, 0, 12): 1165 if (adev->in_suspend && smu_is_dpm_running(smu)) { 1166 dev_info(adev->dev, "dpm has been enabled\n"); 1167 ret = smu_system_features_control(smu, true); 1168 if (ret) 1169 dev_err(adev->dev, "Failed system features control!\n"); 1170 return ret; 1171 } 1172 break; 1173 default: 1174 break; 1175 } 1176 1177 ret = smu_init_display_count(smu, 0); 1178 if (ret) { 1179 dev_info(adev->dev, "Failed to pre-set display count as 0!\n"); 1180 return ret; 1181 } 1182 1183 ret = smu_set_driver_table_location(smu); 1184 if (ret) { 1185 dev_err(adev->dev, "Failed to SetDriverDramAddr!\n"); 1186 return ret; 1187 } 1188 1189 /* 1190 * Set PMSTATUSLOG table bo address with SetToolsDramAddr MSG for tools. 1191 */ 1192 ret = smu_set_tool_table_location(smu); 1193 if (ret) { 1194 dev_err(adev->dev, "Failed to SetToolsDramAddr!\n"); 1195 return ret; 1196 } 1197 1198 /* 1199 * Use msg SetSystemVirtualDramAddr and DramLogSetDramAddr can notify 1200 * pool location. 1201 */ 1202 ret = smu_notify_memory_pool_location(smu); 1203 if (ret) { 1204 dev_err(adev->dev, "Failed to SetDramLogDramAddr!\n"); 1205 return ret; 1206 } 1207 1208 ret = smu_setup_pptable(smu); 1209 if (ret) { 1210 dev_err(adev->dev, "Failed to setup pptable!\n"); 1211 return ret; 1212 } 1213 1214 /* smu_dump_pptable(smu); */ 1215 1216 /* 1217 * With SCPM enabled, PSP is responsible for the PPTable transferring 1218 * (to SMU). Driver involvement is not needed and permitted. 1219 */ 1220 if (!adev->scpm_enabled) { 1221 /* 1222 * Copy pptable bo in the vram to smc with SMU MSGs such as 1223 * SetDriverDramAddr and TransferTableDram2Smu. 1224 */ 1225 ret = smu_write_pptable(smu); 1226 if (ret) { 1227 dev_err(adev->dev, "Failed to transfer pptable to SMC!\n"); 1228 return ret; 1229 } 1230 } 1231 1232 /* issue Run*Btc msg */ 1233 ret = smu_run_btc(smu); 1234 if (ret) 1235 return ret; 1236 1237 /* 1238 * With SCPM enabled, these actions(and relevant messages) are 1239 * not needed and permitted. 1240 */ 1241 if (!adev->scpm_enabled) { 1242 ret = smu_feature_set_allowed_mask(smu); 1243 if (ret) { 1244 dev_err(adev->dev, "Failed to set driver allowed features mask!\n"); 1245 return ret; 1246 } 1247 } 1248 1249 ret = smu_system_features_control(smu, true); 1250 if (ret) { 1251 dev_err(adev->dev, "Failed to enable requested dpm features!\n"); 1252 return ret; 1253 } 1254 1255 ret = smu_feature_get_enabled_mask(smu, &features_supported); 1256 if (ret) { 1257 dev_err(adev->dev, "Failed to retrieve supported dpm features!\n"); 1258 return ret; 1259 } 1260 bitmap_copy(feature->supported, 1261 (unsigned long *)&features_supported, 1262 feature->feature_num); 1263 1264 if (!smu_is_dpm_running(smu)) 1265 dev_info(adev->dev, "dpm has been disabled\n"); 1266 1267 /* 1268 * Set initialized values (get from vbios) to dpm tables context such as 1269 * gfxclk, memclk, dcefclk, and etc. And enable the DPM feature for each 1270 * type of clks. 1271 */ 1272 ret = smu_set_default_dpm_table(smu); 1273 if (ret) { 1274 dev_err(adev->dev, "Failed to setup default dpm clock tables!\n"); 1275 return ret; 1276 } 1277 1278 if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN4) 1279 pcie_gen = 3; 1280 else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3) 1281 pcie_gen = 2; 1282 else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2) 1283 pcie_gen = 1; 1284 else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1) 1285 pcie_gen = 0; 1286 1287 /* Bit 31:16: LCLK DPM level. 0 is DPM0, and 1 is DPM1 1288 * Bit 15:8: PCIE GEN, 0 to 3 corresponds to GEN1 to GEN4 1289 * Bit 7:0: PCIE lane width, 1 to 7 corresponds is x1 to x32 1290 */ 1291 if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X16) 1292 pcie_width = 6; 1293 else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X12) 1294 pcie_width = 5; 1295 else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X8) 1296 pcie_width = 4; 1297 else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X4) 1298 pcie_width = 3; 1299 else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X2) 1300 pcie_width = 2; 1301 else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X1) 1302 pcie_width = 1; 1303 ret = smu_update_pcie_parameters(smu, pcie_gen, pcie_width); 1304 if (ret) { 1305 dev_err(adev->dev, "Attempt to override pcie params failed!\n"); 1306 return ret; 1307 } 1308 1309 ret = smu_get_thermal_temperature_range(smu); 1310 if (ret) { 1311 dev_err(adev->dev, "Failed to get thermal temperature ranges!\n"); 1312 return ret; 1313 } 1314 1315 ret = smu_enable_thermal_alert(smu); 1316 if (ret) { 1317 dev_err(adev->dev, "Failed to enable thermal alert!\n"); 1318 return ret; 1319 } 1320 1321 ret = smu_notify_display_change(smu); 1322 if (ret) { 1323 dev_err(adev->dev, "Failed to notify display change!\n"); 1324 return ret; 1325 } 1326 1327 /* 1328 * Set min deep sleep dce fclk with bootup value from vbios via 1329 * SetMinDeepSleepDcefclk MSG. 1330 */ 1331 ret = smu_set_min_dcef_deep_sleep(smu, 1332 smu->smu_table.boot_values.dcefclk / 100); 1333 1334 return ret; 1335 } 1336 1337 static int smu_start_smc_engine(struct smu_context *smu) 1338 { 1339 struct amdgpu_device *adev = smu->adev; 1340 int ret = 0; 1341 1342 if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) { 1343 if (adev->ip_versions[MP1_HWIP][0] < IP_VERSION(11, 0, 0)) { 1344 if (smu->ppt_funcs->load_microcode) { 1345 ret = smu->ppt_funcs->load_microcode(smu); 1346 if (ret) 1347 return ret; 1348 } 1349 } 1350 } 1351 1352 if (smu->ppt_funcs->check_fw_status) { 1353 ret = smu->ppt_funcs->check_fw_status(smu); 1354 if (ret) { 1355 dev_err(adev->dev, "SMC is not ready\n"); 1356 return ret; 1357 } 1358 } 1359 1360 /* 1361 * Send msg GetDriverIfVersion to check if the return value is equal 1362 * with DRIVER_IF_VERSION of smc header. 1363 */ 1364 ret = smu_check_fw_version(smu); 1365 if (ret) 1366 return ret; 1367 1368 return ret; 1369 } 1370 1371 static int smu_hw_init(void *handle) 1372 { 1373 int ret; 1374 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1375 struct smu_context *smu = adev->powerplay.pp_handle; 1376 1377 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev)) { 1378 smu->pm_enabled = false; 1379 return 0; 1380 } 1381 1382 ret = smu_start_smc_engine(smu); 1383 if (ret) { 1384 dev_err(adev->dev, "SMC engine is not correctly up!\n"); 1385 return ret; 1386 } 1387 1388 if (smu->is_apu) { 1389 if ((smu->ppt_funcs->set_gfx_power_up_by_imu) && 1390 likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP)) { 1391 ret = smu->ppt_funcs->set_gfx_power_up_by_imu(smu); 1392 if (ret) { 1393 dev_err(adev->dev, "Failed to Enable gfx imu!\n"); 1394 return ret; 1395 } 1396 } 1397 1398 smu_dpm_set_vcn_enable(smu, true); 1399 smu_dpm_set_jpeg_enable(smu, true); 1400 smu_set_gfx_cgpg(smu, true); 1401 } 1402 1403 if (!smu->pm_enabled) 1404 return 0; 1405 1406 ret = smu_get_driver_allowed_feature_mask(smu); 1407 if (ret) 1408 return ret; 1409 1410 ret = smu_smc_hw_setup(smu); 1411 if (ret) { 1412 dev_err(adev->dev, "Failed to setup smc hw!\n"); 1413 return ret; 1414 } 1415 1416 /* 1417 * Move maximum sustainable clock retrieving here considering 1418 * 1. It is not needed on resume(from S3). 1419 * 2. DAL settings come between .hw_init and .late_init of SMU. 1420 * And DAL needs to know the maximum sustainable clocks. Thus 1421 * it cannot be put in .late_init(). 1422 */ 1423 ret = smu_init_max_sustainable_clocks(smu); 1424 if (ret) { 1425 dev_err(adev->dev, "Failed to init max sustainable clocks!\n"); 1426 return ret; 1427 } 1428 1429 adev->pm.dpm_enabled = true; 1430 1431 dev_info(adev->dev, "SMU is initialized successfully!\n"); 1432 1433 return 0; 1434 } 1435 1436 static int smu_disable_dpms(struct smu_context *smu) 1437 { 1438 struct amdgpu_device *adev = smu->adev; 1439 int ret = 0; 1440 bool use_baco = !smu->is_apu && 1441 ((amdgpu_in_reset(adev) && 1442 (amdgpu_asic_reset_method(adev) == AMD_RESET_METHOD_BACO)) || 1443 ((adev->in_runpm || adev->in_s4) && amdgpu_asic_supports_baco(adev))); 1444 1445 /* 1446 * For SMU 13.0.0 and 13.0.7, PMFW will handle the DPM features(disablement or others) 1447 * properly on suspend/reset/unload. Driver involvement may cause some unexpected issues. 1448 */ 1449 switch (adev->ip_versions[MP1_HWIP][0]) { 1450 case IP_VERSION(13, 0, 0): 1451 case IP_VERSION(13, 0, 7): 1452 case IP_VERSION(13, 0, 10): 1453 return 0; 1454 default: 1455 break; 1456 } 1457 1458 /* 1459 * For custom pptable uploading, skip the DPM features 1460 * disable process on Navi1x ASICs. 1461 * - As the gfx related features are under control of 1462 * RLC on those ASICs. RLC reinitialization will be 1463 * needed to reenable them. That will cost much more 1464 * efforts. 1465 * 1466 * - SMU firmware can handle the DPM reenablement 1467 * properly. 1468 */ 1469 if (smu->uploading_custom_pp_table) { 1470 switch (adev->ip_versions[MP1_HWIP][0]) { 1471 case IP_VERSION(11, 0, 0): 1472 case IP_VERSION(11, 0, 5): 1473 case IP_VERSION(11, 0, 9): 1474 case IP_VERSION(11, 0, 7): 1475 case IP_VERSION(11, 0, 11): 1476 case IP_VERSION(11, 5, 0): 1477 case IP_VERSION(11, 0, 12): 1478 case IP_VERSION(11, 0, 13): 1479 return 0; 1480 default: 1481 break; 1482 } 1483 } 1484 1485 /* 1486 * For Sienna_Cichlid, PMFW will handle the features disablement properly 1487 * on BACO in. Driver involvement is unnecessary. 1488 */ 1489 if (use_baco) { 1490 switch (adev->ip_versions[MP1_HWIP][0]) { 1491 case IP_VERSION(11, 0, 7): 1492 case IP_VERSION(11, 0, 0): 1493 case IP_VERSION(11, 0, 5): 1494 case IP_VERSION(11, 0, 9): 1495 case IP_VERSION(13, 0, 7): 1496 return 0; 1497 default: 1498 break; 1499 } 1500 } 1501 1502 /* 1503 * For SMU 13.0.4/11, PMFW will handle the features disablement properly 1504 * for gpu reset case. Driver involvement is unnecessary. 1505 */ 1506 if (amdgpu_in_reset(adev)) { 1507 switch (adev->ip_versions[MP1_HWIP][0]) { 1508 case IP_VERSION(13, 0, 4): 1509 case IP_VERSION(13, 0, 11): 1510 return 0; 1511 default: 1512 break; 1513 } 1514 } 1515 1516 /* 1517 * For gpu reset, runpm and hibernation through BACO, 1518 * BACO feature has to be kept enabled. 1519 */ 1520 if (use_baco && smu_feature_is_enabled(smu, SMU_FEATURE_BACO_BIT)) { 1521 ret = smu_disable_all_features_with_exception(smu, 1522 SMU_FEATURE_BACO_BIT); 1523 if (ret) 1524 dev_err(adev->dev, "Failed to disable smu features except BACO.\n"); 1525 } else { 1526 /* DisableAllSmuFeatures message is not permitted with SCPM enabled */ 1527 if (!adev->scpm_enabled) { 1528 ret = smu_system_features_control(smu, false); 1529 if (ret) 1530 dev_err(adev->dev, "Failed to disable smu features.\n"); 1531 } 1532 } 1533 1534 if (adev->ip_versions[GC_HWIP][0] >= IP_VERSION(9, 4, 2) && 1535 !amdgpu_sriov_vf(adev) && adev->gfx.rlc.funcs->stop) 1536 adev->gfx.rlc.funcs->stop(adev); 1537 1538 return ret; 1539 } 1540 1541 static int smu_smc_hw_cleanup(struct smu_context *smu) 1542 { 1543 struct amdgpu_device *adev = smu->adev; 1544 int ret = 0; 1545 1546 cancel_work_sync(&smu->throttling_logging_work); 1547 cancel_work_sync(&smu->interrupt_work); 1548 1549 ret = smu_disable_thermal_alert(smu); 1550 if (ret) { 1551 dev_err(adev->dev, "Fail to disable thermal alert!\n"); 1552 return ret; 1553 } 1554 1555 ret = smu_disable_dpms(smu); 1556 if (ret) { 1557 dev_err(adev->dev, "Fail to disable dpm features!\n"); 1558 return ret; 1559 } 1560 1561 return 0; 1562 } 1563 1564 static int smu_hw_fini(void *handle) 1565 { 1566 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1567 struct smu_context *smu = adev->powerplay.pp_handle; 1568 1569 if (amdgpu_sriov_vf(adev)&& !amdgpu_sriov_is_pp_one_vf(adev)) 1570 return 0; 1571 1572 smu_dpm_set_vcn_enable(smu, false); 1573 smu_dpm_set_jpeg_enable(smu, false); 1574 1575 adev->vcn.cur_state = AMD_PG_STATE_GATE; 1576 adev->jpeg.cur_state = AMD_PG_STATE_GATE; 1577 1578 if (!smu->pm_enabled) 1579 return 0; 1580 1581 adev->pm.dpm_enabled = false; 1582 1583 return smu_smc_hw_cleanup(smu); 1584 } 1585 1586 static void smu_late_fini(void *handle) 1587 { 1588 struct amdgpu_device *adev = handle; 1589 struct smu_context *smu = adev->powerplay.pp_handle; 1590 1591 kfree(smu); 1592 } 1593 1594 static int smu_reset(struct smu_context *smu) 1595 { 1596 struct amdgpu_device *adev = smu->adev; 1597 int ret; 1598 1599 ret = smu_hw_fini(adev); 1600 if (ret) 1601 return ret; 1602 1603 ret = smu_hw_init(adev); 1604 if (ret) 1605 return ret; 1606 1607 ret = smu_late_init(adev); 1608 if (ret) 1609 return ret; 1610 1611 return 0; 1612 } 1613 1614 static int smu_suspend(void *handle) 1615 { 1616 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1617 struct smu_context *smu = adev->powerplay.pp_handle; 1618 int ret; 1619 uint64_t count; 1620 1621 if (amdgpu_sriov_vf(adev)&& !amdgpu_sriov_is_pp_one_vf(adev)) 1622 return 0; 1623 1624 if (!smu->pm_enabled) 1625 return 0; 1626 1627 adev->pm.dpm_enabled = false; 1628 1629 ret = smu_smc_hw_cleanup(smu); 1630 if (ret) 1631 return ret; 1632 1633 smu->watermarks_bitmap &= ~(WATERMARKS_LOADED); 1634 1635 smu_set_gfx_cgpg(smu, false); 1636 1637 /* 1638 * pwfw resets entrycount when device is suspended, so we save the 1639 * last value to be used when we resume to keep it consistent 1640 */ 1641 ret = smu_get_entrycount_gfxoff(smu, &count); 1642 if (!ret) 1643 adev->gfx.gfx_off_entrycount = count; 1644 1645 return 0; 1646 } 1647 1648 static int smu_resume(void *handle) 1649 { 1650 int ret; 1651 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1652 struct smu_context *smu = adev->powerplay.pp_handle; 1653 1654 if (amdgpu_sriov_vf(adev)&& !amdgpu_sriov_is_pp_one_vf(adev)) 1655 return 0; 1656 1657 if (!smu->pm_enabled) 1658 return 0; 1659 1660 dev_info(adev->dev, "SMU is resuming...\n"); 1661 1662 ret = smu_start_smc_engine(smu); 1663 if (ret) { 1664 dev_err(adev->dev, "SMC engine is not correctly up!\n"); 1665 return ret; 1666 } 1667 1668 ret = smu_smc_hw_setup(smu); 1669 if (ret) { 1670 dev_err(adev->dev, "Failed to setup smc hw!\n"); 1671 return ret; 1672 } 1673 1674 smu_set_gfx_cgpg(smu, true); 1675 1676 smu->disable_uclk_switch = 0; 1677 1678 adev->pm.dpm_enabled = true; 1679 1680 dev_info(adev->dev, "SMU is resumed successfully!\n"); 1681 1682 return 0; 1683 } 1684 1685 static int smu_display_configuration_change(void *handle, 1686 const struct amd_pp_display_configuration *display_config) 1687 { 1688 struct smu_context *smu = handle; 1689 int index = 0; 1690 int num_of_active_display = 0; 1691 1692 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 1693 return -EOPNOTSUPP; 1694 1695 if (!display_config) 1696 return -EINVAL; 1697 1698 smu_set_min_dcef_deep_sleep(smu, 1699 display_config->min_dcef_deep_sleep_set_clk / 100); 1700 1701 for (index = 0; index < display_config->num_path_including_non_display; index++) { 1702 if (display_config->displays[index].controller_id != 0) 1703 num_of_active_display++; 1704 } 1705 1706 return 0; 1707 } 1708 1709 static int smu_set_clockgating_state(void *handle, 1710 enum amd_clockgating_state state) 1711 { 1712 return 0; 1713 } 1714 1715 static int smu_set_powergating_state(void *handle, 1716 enum amd_powergating_state state) 1717 { 1718 return 0; 1719 } 1720 1721 static int smu_enable_umd_pstate(void *handle, 1722 enum amd_dpm_forced_level *level) 1723 { 1724 uint32_t profile_mode_mask = AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD | 1725 AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK | 1726 AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK | 1727 AMD_DPM_FORCED_LEVEL_PROFILE_PEAK; 1728 1729 struct smu_context *smu = (struct smu_context*)(handle); 1730 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm); 1731 1732 if (!smu->is_apu && !smu_dpm_ctx->dpm_context) 1733 return -EINVAL; 1734 1735 if (!(smu_dpm_ctx->dpm_level & profile_mode_mask)) { 1736 /* enter umd pstate, save current level, disable gfx cg*/ 1737 if (*level & profile_mode_mask) { 1738 smu_dpm_ctx->saved_dpm_level = smu_dpm_ctx->dpm_level; 1739 smu_gpo_control(smu, false); 1740 smu_gfx_ulv_control(smu, false); 1741 smu_deep_sleep_control(smu, false); 1742 amdgpu_asic_update_umd_stable_pstate(smu->adev, true); 1743 } 1744 } else { 1745 /* exit umd pstate, restore level, enable gfx cg*/ 1746 if (!(*level & profile_mode_mask)) { 1747 if (*level == AMD_DPM_FORCED_LEVEL_PROFILE_EXIT) 1748 *level = smu_dpm_ctx->saved_dpm_level; 1749 amdgpu_asic_update_umd_stable_pstate(smu->adev, false); 1750 smu_deep_sleep_control(smu, true); 1751 smu_gfx_ulv_control(smu, true); 1752 smu_gpo_control(smu, true); 1753 } 1754 } 1755 1756 return 0; 1757 } 1758 1759 static int smu_bump_power_profile_mode(struct smu_context *smu, 1760 long *param, 1761 uint32_t param_size) 1762 { 1763 int ret = 0; 1764 1765 if (smu->ppt_funcs->set_power_profile_mode) 1766 ret = smu->ppt_funcs->set_power_profile_mode(smu, param, param_size); 1767 1768 return ret; 1769 } 1770 1771 static int smu_adjust_power_state_dynamic(struct smu_context *smu, 1772 enum amd_dpm_forced_level level, 1773 bool skip_display_settings) 1774 { 1775 int ret = 0; 1776 int index = 0; 1777 long workload; 1778 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm); 1779 1780 if (!skip_display_settings) { 1781 ret = smu_display_config_changed(smu); 1782 if (ret) { 1783 dev_err(smu->adev->dev, "Failed to change display config!"); 1784 return ret; 1785 } 1786 } 1787 1788 ret = smu_apply_clocks_adjust_rules(smu); 1789 if (ret) { 1790 dev_err(smu->adev->dev, "Failed to apply clocks adjust rules!"); 1791 return ret; 1792 } 1793 1794 if (!skip_display_settings) { 1795 ret = smu_notify_smc_display_config(smu); 1796 if (ret) { 1797 dev_err(smu->adev->dev, "Failed to notify smc display config!"); 1798 return ret; 1799 } 1800 } 1801 1802 if (smu_dpm_ctx->dpm_level != level) { 1803 ret = smu_asic_set_performance_level(smu, level); 1804 if (ret) { 1805 dev_err(smu->adev->dev, "Failed to set performance level!"); 1806 return ret; 1807 } 1808 1809 /* update the saved copy */ 1810 smu_dpm_ctx->dpm_level = level; 1811 } 1812 1813 if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL && 1814 smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM) { 1815 index = fls(smu->workload_mask); 1816 index = index > 0 && index <= WORKLOAD_POLICY_MAX ? index - 1 : 0; 1817 workload = smu->workload_setting[index]; 1818 1819 if (smu->power_profile_mode != workload) 1820 smu_bump_power_profile_mode(smu, &workload, 0); 1821 } 1822 1823 return ret; 1824 } 1825 1826 static int smu_handle_task(struct smu_context *smu, 1827 enum amd_dpm_forced_level level, 1828 enum amd_pp_task task_id) 1829 { 1830 int ret = 0; 1831 1832 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 1833 return -EOPNOTSUPP; 1834 1835 switch (task_id) { 1836 case AMD_PP_TASK_DISPLAY_CONFIG_CHANGE: 1837 ret = smu_pre_display_config_changed(smu); 1838 if (ret) 1839 return ret; 1840 ret = smu_adjust_power_state_dynamic(smu, level, false); 1841 break; 1842 case AMD_PP_TASK_COMPLETE_INIT: 1843 case AMD_PP_TASK_READJUST_POWER_STATE: 1844 ret = smu_adjust_power_state_dynamic(smu, level, true); 1845 break; 1846 default: 1847 break; 1848 } 1849 1850 return ret; 1851 } 1852 1853 static int smu_handle_dpm_task(void *handle, 1854 enum amd_pp_task task_id, 1855 enum amd_pm_state_type *user_state) 1856 { 1857 struct smu_context *smu = handle; 1858 struct smu_dpm_context *smu_dpm = &smu->smu_dpm; 1859 1860 return smu_handle_task(smu, smu_dpm->dpm_level, task_id); 1861 1862 } 1863 1864 static int smu_switch_power_profile(void *handle, 1865 enum PP_SMC_POWER_PROFILE type, 1866 bool en) 1867 { 1868 struct smu_context *smu = handle; 1869 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm); 1870 long workload; 1871 uint32_t index; 1872 1873 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 1874 return -EOPNOTSUPP; 1875 1876 if (!(type < PP_SMC_POWER_PROFILE_CUSTOM)) 1877 return -EINVAL; 1878 1879 if (!en) { 1880 smu->workload_mask &= ~(1 << smu->workload_prority[type]); 1881 index = fls(smu->workload_mask); 1882 index = index > 0 && index <= WORKLOAD_POLICY_MAX ? index - 1 : 0; 1883 workload = smu->workload_setting[index]; 1884 } else { 1885 smu->workload_mask |= (1 << smu->workload_prority[type]); 1886 index = fls(smu->workload_mask); 1887 index = index <= WORKLOAD_POLICY_MAX ? index - 1 : 0; 1888 workload = smu->workload_setting[index]; 1889 } 1890 1891 if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL && 1892 smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM) 1893 smu_bump_power_profile_mode(smu, &workload, 0); 1894 1895 return 0; 1896 } 1897 1898 static enum amd_dpm_forced_level smu_get_performance_level(void *handle) 1899 { 1900 struct smu_context *smu = handle; 1901 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm); 1902 1903 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 1904 return -EOPNOTSUPP; 1905 1906 if (!smu->is_apu && !smu_dpm_ctx->dpm_context) 1907 return -EINVAL; 1908 1909 return smu_dpm_ctx->dpm_level; 1910 } 1911 1912 static int smu_force_performance_level(void *handle, 1913 enum amd_dpm_forced_level level) 1914 { 1915 struct smu_context *smu = handle; 1916 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm); 1917 int ret = 0; 1918 1919 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 1920 return -EOPNOTSUPP; 1921 1922 if (!smu->is_apu && !smu_dpm_ctx->dpm_context) 1923 return -EINVAL; 1924 1925 ret = smu_enable_umd_pstate(smu, &level); 1926 if (ret) 1927 return ret; 1928 1929 ret = smu_handle_task(smu, level, 1930 AMD_PP_TASK_READJUST_POWER_STATE); 1931 1932 /* reset user dpm clock state */ 1933 if (!ret && smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) { 1934 memset(smu->user_dpm_profile.clk_mask, 0, sizeof(smu->user_dpm_profile.clk_mask)); 1935 smu->user_dpm_profile.clk_dependency = 0; 1936 } 1937 1938 return ret; 1939 } 1940 1941 static int smu_set_display_count(void *handle, uint32_t count) 1942 { 1943 struct smu_context *smu = handle; 1944 1945 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 1946 return -EOPNOTSUPP; 1947 1948 return smu_init_display_count(smu, count); 1949 } 1950 1951 static int smu_force_smuclk_levels(struct smu_context *smu, 1952 enum smu_clk_type clk_type, 1953 uint32_t mask) 1954 { 1955 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm); 1956 int ret = 0; 1957 1958 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 1959 return -EOPNOTSUPP; 1960 1961 if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) { 1962 dev_dbg(smu->adev->dev, "force clock level is for dpm manual mode only.\n"); 1963 return -EINVAL; 1964 } 1965 1966 if (smu->ppt_funcs && smu->ppt_funcs->force_clk_levels) { 1967 ret = smu->ppt_funcs->force_clk_levels(smu, clk_type, mask); 1968 if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) { 1969 smu->user_dpm_profile.clk_mask[clk_type] = mask; 1970 smu_set_user_clk_dependencies(smu, clk_type); 1971 } 1972 } 1973 1974 return ret; 1975 } 1976 1977 static int smu_force_ppclk_levels(void *handle, 1978 enum pp_clock_type type, 1979 uint32_t mask) 1980 { 1981 struct smu_context *smu = handle; 1982 enum smu_clk_type clk_type; 1983 1984 switch (type) { 1985 case PP_SCLK: 1986 clk_type = SMU_SCLK; break; 1987 case PP_MCLK: 1988 clk_type = SMU_MCLK; break; 1989 case PP_PCIE: 1990 clk_type = SMU_PCIE; break; 1991 case PP_SOCCLK: 1992 clk_type = SMU_SOCCLK; break; 1993 case PP_FCLK: 1994 clk_type = SMU_FCLK; break; 1995 case PP_DCEFCLK: 1996 clk_type = SMU_DCEFCLK; break; 1997 case PP_VCLK: 1998 clk_type = SMU_VCLK; break; 1999 case PP_DCLK: 2000 clk_type = SMU_DCLK; break; 2001 case OD_SCLK: 2002 clk_type = SMU_OD_SCLK; break; 2003 case OD_MCLK: 2004 clk_type = SMU_OD_MCLK; break; 2005 case OD_VDDC_CURVE: 2006 clk_type = SMU_OD_VDDC_CURVE; break; 2007 case OD_RANGE: 2008 clk_type = SMU_OD_RANGE; break; 2009 default: 2010 return -EINVAL; 2011 } 2012 2013 return smu_force_smuclk_levels(smu, clk_type, mask); 2014 } 2015 2016 /* 2017 * On system suspending or resetting, the dpm_enabled 2018 * flag will be cleared. So that those SMU services which 2019 * are not supported will be gated. 2020 * However, the mp1 state setting should still be granted 2021 * even if the dpm_enabled cleared. 2022 */ 2023 static int smu_set_mp1_state(void *handle, 2024 enum pp_mp1_state mp1_state) 2025 { 2026 struct smu_context *smu = handle; 2027 int ret = 0; 2028 2029 if (!smu->pm_enabled) 2030 return -EOPNOTSUPP; 2031 2032 if (smu->ppt_funcs && 2033 smu->ppt_funcs->set_mp1_state) 2034 ret = smu->ppt_funcs->set_mp1_state(smu, mp1_state); 2035 2036 return ret; 2037 } 2038 2039 static int smu_set_df_cstate(void *handle, 2040 enum pp_df_cstate state) 2041 { 2042 struct smu_context *smu = handle; 2043 int ret = 0; 2044 2045 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2046 return -EOPNOTSUPP; 2047 2048 if (!smu->ppt_funcs || !smu->ppt_funcs->set_df_cstate) 2049 return 0; 2050 2051 ret = smu->ppt_funcs->set_df_cstate(smu, state); 2052 if (ret) 2053 dev_err(smu->adev->dev, "[SetDfCstate] failed!\n"); 2054 2055 return ret; 2056 } 2057 2058 int smu_allow_xgmi_power_down(struct smu_context *smu, bool en) 2059 { 2060 int ret = 0; 2061 2062 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2063 return -EOPNOTSUPP; 2064 2065 if (!smu->ppt_funcs || !smu->ppt_funcs->allow_xgmi_power_down) 2066 return 0; 2067 2068 ret = smu->ppt_funcs->allow_xgmi_power_down(smu, en); 2069 if (ret) 2070 dev_err(smu->adev->dev, "[AllowXgmiPowerDown] failed!\n"); 2071 2072 return ret; 2073 } 2074 2075 int smu_write_watermarks_table(struct smu_context *smu) 2076 { 2077 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2078 return -EOPNOTSUPP; 2079 2080 return smu_set_watermarks_table(smu, NULL); 2081 } 2082 2083 static int smu_set_watermarks_for_clock_ranges(void *handle, 2084 struct pp_smu_wm_range_sets *clock_ranges) 2085 { 2086 struct smu_context *smu = handle; 2087 2088 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2089 return -EOPNOTSUPP; 2090 2091 if (smu->disable_watermark) 2092 return 0; 2093 2094 return smu_set_watermarks_table(smu, clock_ranges); 2095 } 2096 2097 int smu_set_ac_dc(struct smu_context *smu) 2098 { 2099 int ret = 0; 2100 2101 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2102 return -EOPNOTSUPP; 2103 2104 /* controlled by firmware */ 2105 if (smu->dc_controlled_by_gpio) 2106 return 0; 2107 2108 ret = smu_set_power_source(smu, 2109 smu->adev->pm.ac_power ? SMU_POWER_SOURCE_AC : 2110 SMU_POWER_SOURCE_DC); 2111 if (ret) 2112 dev_err(smu->adev->dev, "Failed to switch to %s mode!\n", 2113 smu->adev->pm.ac_power ? "AC" : "DC"); 2114 2115 return ret; 2116 } 2117 2118 const struct amd_ip_funcs smu_ip_funcs = { 2119 .name = "smu", 2120 .early_init = smu_early_init, 2121 .late_init = smu_late_init, 2122 .sw_init = smu_sw_init, 2123 .sw_fini = smu_sw_fini, 2124 .hw_init = smu_hw_init, 2125 .hw_fini = smu_hw_fini, 2126 .late_fini = smu_late_fini, 2127 .suspend = smu_suspend, 2128 .resume = smu_resume, 2129 .is_idle = NULL, 2130 .check_soft_reset = NULL, 2131 .wait_for_idle = NULL, 2132 .soft_reset = NULL, 2133 .set_clockgating_state = smu_set_clockgating_state, 2134 .set_powergating_state = smu_set_powergating_state, 2135 }; 2136 2137 const struct amdgpu_ip_block_version smu_v11_0_ip_block = 2138 { 2139 .type = AMD_IP_BLOCK_TYPE_SMC, 2140 .major = 11, 2141 .minor = 0, 2142 .rev = 0, 2143 .funcs = &smu_ip_funcs, 2144 }; 2145 2146 const struct amdgpu_ip_block_version smu_v12_0_ip_block = 2147 { 2148 .type = AMD_IP_BLOCK_TYPE_SMC, 2149 .major = 12, 2150 .minor = 0, 2151 .rev = 0, 2152 .funcs = &smu_ip_funcs, 2153 }; 2154 2155 const struct amdgpu_ip_block_version smu_v13_0_ip_block = 2156 { 2157 .type = AMD_IP_BLOCK_TYPE_SMC, 2158 .major = 13, 2159 .minor = 0, 2160 .rev = 0, 2161 .funcs = &smu_ip_funcs, 2162 }; 2163 2164 static int smu_load_microcode(void *handle) 2165 { 2166 struct smu_context *smu = handle; 2167 struct amdgpu_device *adev = smu->adev; 2168 int ret = 0; 2169 2170 if (!smu->pm_enabled) 2171 return -EOPNOTSUPP; 2172 2173 /* This should be used for non PSP loading */ 2174 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) 2175 return 0; 2176 2177 if (smu->ppt_funcs->load_microcode) { 2178 ret = smu->ppt_funcs->load_microcode(smu); 2179 if (ret) { 2180 dev_err(adev->dev, "Load microcode failed\n"); 2181 return ret; 2182 } 2183 } 2184 2185 if (smu->ppt_funcs->check_fw_status) { 2186 ret = smu->ppt_funcs->check_fw_status(smu); 2187 if (ret) { 2188 dev_err(adev->dev, "SMC is not ready\n"); 2189 return ret; 2190 } 2191 } 2192 2193 return ret; 2194 } 2195 2196 static int smu_set_gfx_cgpg(struct smu_context *smu, bool enabled) 2197 { 2198 int ret = 0; 2199 2200 if (smu->ppt_funcs->set_gfx_cgpg) 2201 ret = smu->ppt_funcs->set_gfx_cgpg(smu, enabled); 2202 2203 return ret; 2204 } 2205 2206 static int smu_set_fan_speed_rpm(void *handle, uint32_t speed) 2207 { 2208 struct smu_context *smu = handle; 2209 int ret = 0; 2210 2211 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2212 return -EOPNOTSUPP; 2213 2214 if (!smu->ppt_funcs->set_fan_speed_rpm) 2215 return -EOPNOTSUPP; 2216 2217 if (speed == U32_MAX) 2218 return -EINVAL; 2219 2220 ret = smu->ppt_funcs->set_fan_speed_rpm(smu, speed); 2221 if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) { 2222 smu->user_dpm_profile.flags |= SMU_CUSTOM_FAN_SPEED_RPM; 2223 smu->user_dpm_profile.fan_speed_rpm = speed; 2224 2225 /* Override custom PWM setting as they cannot co-exist */ 2226 smu->user_dpm_profile.flags &= ~SMU_CUSTOM_FAN_SPEED_PWM; 2227 smu->user_dpm_profile.fan_speed_pwm = 0; 2228 } 2229 2230 return ret; 2231 } 2232 2233 /** 2234 * smu_get_power_limit - Request one of the SMU Power Limits 2235 * 2236 * @handle: pointer to smu context 2237 * @limit: requested limit is written back to this variable 2238 * @pp_limit_level: &pp_power_limit_level which limit of the power to return 2239 * @pp_power_type: &pp_power_type type of power 2240 * Return: 0 on success, <0 on error 2241 * 2242 */ 2243 int smu_get_power_limit(void *handle, 2244 uint32_t *limit, 2245 enum pp_power_limit_level pp_limit_level, 2246 enum pp_power_type pp_power_type) 2247 { 2248 struct smu_context *smu = handle; 2249 struct amdgpu_device *adev = smu->adev; 2250 enum smu_ppt_limit_level limit_level; 2251 uint32_t limit_type; 2252 int ret = 0; 2253 2254 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2255 return -EOPNOTSUPP; 2256 2257 switch(pp_power_type) { 2258 case PP_PWR_TYPE_SUSTAINED: 2259 limit_type = SMU_DEFAULT_PPT_LIMIT; 2260 break; 2261 case PP_PWR_TYPE_FAST: 2262 limit_type = SMU_FAST_PPT_LIMIT; 2263 break; 2264 default: 2265 return -EOPNOTSUPP; 2266 break; 2267 } 2268 2269 switch(pp_limit_level){ 2270 case PP_PWR_LIMIT_CURRENT: 2271 limit_level = SMU_PPT_LIMIT_CURRENT; 2272 break; 2273 case PP_PWR_LIMIT_DEFAULT: 2274 limit_level = SMU_PPT_LIMIT_DEFAULT; 2275 break; 2276 case PP_PWR_LIMIT_MAX: 2277 limit_level = SMU_PPT_LIMIT_MAX; 2278 break; 2279 case PP_PWR_LIMIT_MIN: 2280 default: 2281 return -EOPNOTSUPP; 2282 break; 2283 } 2284 2285 if (limit_type != SMU_DEFAULT_PPT_LIMIT) { 2286 if (smu->ppt_funcs->get_ppt_limit) 2287 ret = smu->ppt_funcs->get_ppt_limit(smu, limit, limit_type, limit_level); 2288 } else { 2289 switch (limit_level) { 2290 case SMU_PPT_LIMIT_CURRENT: 2291 switch (adev->ip_versions[MP1_HWIP][0]) { 2292 case IP_VERSION(13, 0, 2): 2293 case IP_VERSION(11, 0, 7): 2294 case IP_VERSION(11, 0, 11): 2295 case IP_VERSION(11, 0, 12): 2296 case IP_VERSION(11, 0, 13): 2297 ret = smu_get_asic_power_limits(smu, 2298 &smu->current_power_limit, 2299 NULL, 2300 NULL); 2301 break; 2302 default: 2303 break; 2304 } 2305 *limit = smu->current_power_limit; 2306 break; 2307 case SMU_PPT_LIMIT_DEFAULT: 2308 *limit = smu->default_power_limit; 2309 break; 2310 case SMU_PPT_LIMIT_MAX: 2311 *limit = smu->max_power_limit; 2312 break; 2313 default: 2314 break; 2315 } 2316 } 2317 2318 return ret; 2319 } 2320 2321 static int smu_set_power_limit(void *handle, uint32_t limit) 2322 { 2323 struct smu_context *smu = handle; 2324 uint32_t limit_type = limit >> 24; 2325 int ret = 0; 2326 2327 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2328 return -EOPNOTSUPP; 2329 2330 limit &= (1<<24)-1; 2331 if (limit_type != SMU_DEFAULT_PPT_LIMIT) 2332 if (smu->ppt_funcs->set_power_limit) 2333 return smu->ppt_funcs->set_power_limit(smu, limit_type, limit); 2334 2335 if (limit > smu->max_power_limit) { 2336 dev_err(smu->adev->dev, 2337 "New power limit (%d) is over the max allowed %d\n", 2338 limit, smu->max_power_limit); 2339 return -EINVAL; 2340 } 2341 2342 if (!limit) 2343 limit = smu->current_power_limit; 2344 2345 if (smu->ppt_funcs->set_power_limit) { 2346 ret = smu->ppt_funcs->set_power_limit(smu, limit_type, limit); 2347 if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) 2348 smu->user_dpm_profile.power_limit = limit; 2349 } 2350 2351 return ret; 2352 } 2353 2354 static int smu_print_smuclk_levels(struct smu_context *smu, enum smu_clk_type clk_type, char *buf) 2355 { 2356 int ret = 0; 2357 2358 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2359 return -EOPNOTSUPP; 2360 2361 if (smu->ppt_funcs->print_clk_levels) 2362 ret = smu->ppt_funcs->print_clk_levels(smu, clk_type, buf); 2363 2364 return ret; 2365 } 2366 2367 static enum smu_clk_type smu_convert_to_smuclk(enum pp_clock_type type) 2368 { 2369 enum smu_clk_type clk_type; 2370 2371 switch (type) { 2372 case PP_SCLK: 2373 clk_type = SMU_SCLK; break; 2374 case PP_MCLK: 2375 clk_type = SMU_MCLK; break; 2376 case PP_PCIE: 2377 clk_type = SMU_PCIE; break; 2378 case PP_SOCCLK: 2379 clk_type = SMU_SOCCLK; break; 2380 case PP_FCLK: 2381 clk_type = SMU_FCLK; break; 2382 case PP_DCEFCLK: 2383 clk_type = SMU_DCEFCLK; break; 2384 case PP_VCLK: 2385 clk_type = SMU_VCLK; break; 2386 case PP_DCLK: 2387 clk_type = SMU_DCLK; break; 2388 case OD_SCLK: 2389 clk_type = SMU_OD_SCLK; break; 2390 case OD_MCLK: 2391 clk_type = SMU_OD_MCLK; break; 2392 case OD_VDDC_CURVE: 2393 clk_type = SMU_OD_VDDC_CURVE; break; 2394 case OD_RANGE: 2395 clk_type = SMU_OD_RANGE; break; 2396 case OD_VDDGFX_OFFSET: 2397 clk_type = SMU_OD_VDDGFX_OFFSET; break; 2398 case OD_CCLK: 2399 clk_type = SMU_OD_CCLK; break; 2400 default: 2401 clk_type = SMU_CLK_COUNT; break; 2402 } 2403 2404 return clk_type; 2405 } 2406 2407 static int smu_print_ppclk_levels(void *handle, 2408 enum pp_clock_type type, 2409 char *buf) 2410 { 2411 struct smu_context *smu = handle; 2412 enum smu_clk_type clk_type; 2413 2414 clk_type = smu_convert_to_smuclk(type); 2415 if (clk_type == SMU_CLK_COUNT) 2416 return -EINVAL; 2417 2418 return smu_print_smuclk_levels(smu, clk_type, buf); 2419 } 2420 2421 static int smu_emit_ppclk_levels(void *handle, enum pp_clock_type type, char *buf, int *offset) 2422 { 2423 struct smu_context *smu = handle; 2424 enum smu_clk_type clk_type; 2425 2426 clk_type = smu_convert_to_smuclk(type); 2427 if (clk_type == SMU_CLK_COUNT) 2428 return -EINVAL; 2429 2430 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2431 return -EOPNOTSUPP; 2432 2433 if (!smu->ppt_funcs->emit_clk_levels) 2434 return -ENOENT; 2435 2436 return smu->ppt_funcs->emit_clk_levels(smu, clk_type, buf, offset); 2437 2438 } 2439 2440 static int smu_od_edit_dpm_table(void *handle, 2441 enum PP_OD_DPM_TABLE_COMMAND type, 2442 long *input, uint32_t size) 2443 { 2444 struct smu_context *smu = handle; 2445 int ret = 0; 2446 2447 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2448 return -EOPNOTSUPP; 2449 2450 if (smu->ppt_funcs->od_edit_dpm_table) { 2451 ret = smu->ppt_funcs->od_edit_dpm_table(smu, type, input, size); 2452 } 2453 2454 return ret; 2455 } 2456 2457 static int smu_read_sensor(void *handle, 2458 int sensor, 2459 void *data, 2460 int *size_arg) 2461 { 2462 struct smu_context *smu = handle; 2463 struct smu_umd_pstate_table *pstate_table = 2464 &smu->pstate_table; 2465 int ret = 0; 2466 uint32_t *size, size_val; 2467 2468 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2469 return -EOPNOTSUPP; 2470 2471 if (!data || !size_arg) 2472 return -EINVAL; 2473 2474 size_val = *size_arg; 2475 size = &size_val; 2476 2477 if (smu->ppt_funcs->read_sensor) 2478 if (!smu->ppt_funcs->read_sensor(smu, sensor, data, size)) 2479 goto unlock; 2480 2481 switch (sensor) { 2482 case AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK: 2483 *((uint32_t *)data) = pstate_table->gfxclk_pstate.standard * 100; 2484 *size = 4; 2485 break; 2486 case AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK: 2487 *((uint32_t *)data) = pstate_table->uclk_pstate.standard * 100; 2488 *size = 4; 2489 break; 2490 case AMDGPU_PP_SENSOR_ENABLED_SMC_FEATURES_MASK: 2491 ret = smu_feature_get_enabled_mask(smu, (uint64_t *)data); 2492 *size = 8; 2493 break; 2494 case AMDGPU_PP_SENSOR_UVD_POWER: 2495 *(uint32_t *)data = smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UVD_BIT) ? 1 : 0; 2496 *size = 4; 2497 break; 2498 case AMDGPU_PP_SENSOR_VCE_POWER: 2499 *(uint32_t *)data = smu_feature_is_enabled(smu, SMU_FEATURE_DPM_VCE_BIT) ? 1 : 0; 2500 *size = 4; 2501 break; 2502 case AMDGPU_PP_SENSOR_VCN_POWER_STATE: 2503 *(uint32_t *)data = atomic_read(&smu->smu_power.power_gate.vcn_gated) ? 0: 1; 2504 *size = 4; 2505 break; 2506 case AMDGPU_PP_SENSOR_MIN_FAN_RPM: 2507 *(uint32_t *)data = 0; 2508 *size = 4; 2509 break; 2510 default: 2511 *size = 0; 2512 ret = -EOPNOTSUPP; 2513 break; 2514 } 2515 2516 unlock: 2517 // assign uint32_t to int 2518 *size_arg = size_val; 2519 2520 return ret; 2521 } 2522 2523 static int smu_get_power_profile_mode(void *handle, char *buf) 2524 { 2525 struct smu_context *smu = handle; 2526 2527 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled || 2528 !smu->ppt_funcs->get_power_profile_mode) 2529 return -EOPNOTSUPP; 2530 if (!buf) 2531 return -EINVAL; 2532 2533 return smu->ppt_funcs->get_power_profile_mode(smu, buf); 2534 } 2535 2536 static int smu_set_power_profile_mode(void *handle, 2537 long *param, 2538 uint32_t param_size) 2539 { 2540 struct smu_context *smu = handle; 2541 2542 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled || 2543 !smu->ppt_funcs->set_power_profile_mode) 2544 return -EOPNOTSUPP; 2545 2546 return smu_bump_power_profile_mode(smu, param, param_size); 2547 } 2548 2549 static int smu_get_fan_control_mode(void *handle, u32 *fan_mode) 2550 { 2551 struct smu_context *smu = handle; 2552 2553 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2554 return -EOPNOTSUPP; 2555 2556 if (!smu->ppt_funcs->get_fan_control_mode) 2557 return -EOPNOTSUPP; 2558 2559 if (!fan_mode) 2560 return -EINVAL; 2561 2562 *fan_mode = smu->ppt_funcs->get_fan_control_mode(smu); 2563 2564 return 0; 2565 } 2566 2567 static int smu_set_fan_control_mode(void *handle, u32 value) 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_control_mode) 2576 return -EOPNOTSUPP; 2577 2578 if (value == U32_MAX) 2579 return -EINVAL; 2580 2581 ret = smu->ppt_funcs->set_fan_control_mode(smu, value); 2582 if (ret) 2583 goto out; 2584 2585 if (!(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) { 2586 smu->user_dpm_profile.fan_mode = value; 2587 2588 /* reset user dpm fan speed */ 2589 if (value != AMD_FAN_CTRL_MANUAL) { 2590 smu->user_dpm_profile.fan_speed_pwm = 0; 2591 smu->user_dpm_profile.fan_speed_rpm = 0; 2592 smu->user_dpm_profile.flags &= ~(SMU_CUSTOM_FAN_SPEED_RPM | SMU_CUSTOM_FAN_SPEED_PWM); 2593 } 2594 } 2595 2596 out: 2597 return ret; 2598 } 2599 2600 static int smu_get_fan_speed_pwm(void *handle, u32 *speed) 2601 { 2602 struct smu_context *smu = handle; 2603 int ret = 0; 2604 2605 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2606 return -EOPNOTSUPP; 2607 2608 if (!smu->ppt_funcs->get_fan_speed_pwm) 2609 return -EOPNOTSUPP; 2610 2611 if (!speed) 2612 return -EINVAL; 2613 2614 ret = smu->ppt_funcs->get_fan_speed_pwm(smu, speed); 2615 2616 return ret; 2617 } 2618 2619 static int smu_set_fan_speed_pwm(void *handle, u32 speed) 2620 { 2621 struct smu_context *smu = handle; 2622 int ret = 0; 2623 2624 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2625 return -EOPNOTSUPP; 2626 2627 if (!smu->ppt_funcs->set_fan_speed_pwm) 2628 return -EOPNOTSUPP; 2629 2630 if (speed == U32_MAX) 2631 return -EINVAL; 2632 2633 ret = smu->ppt_funcs->set_fan_speed_pwm(smu, speed); 2634 if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) { 2635 smu->user_dpm_profile.flags |= SMU_CUSTOM_FAN_SPEED_PWM; 2636 smu->user_dpm_profile.fan_speed_pwm = speed; 2637 2638 /* Override custom RPM setting as they cannot co-exist */ 2639 smu->user_dpm_profile.flags &= ~SMU_CUSTOM_FAN_SPEED_RPM; 2640 smu->user_dpm_profile.fan_speed_rpm = 0; 2641 } 2642 2643 return ret; 2644 } 2645 2646 static int smu_get_fan_speed_rpm(void *handle, uint32_t *speed) 2647 { 2648 struct smu_context *smu = handle; 2649 int ret = 0; 2650 2651 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2652 return -EOPNOTSUPP; 2653 2654 if (!smu->ppt_funcs->get_fan_speed_rpm) 2655 return -EOPNOTSUPP; 2656 2657 if (!speed) 2658 return -EINVAL; 2659 2660 ret = smu->ppt_funcs->get_fan_speed_rpm(smu, speed); 2661 2662 return ret; 2663 } 2664 2665 static int smu_set_deep_sleep_dcefclk(void *handle, uint32_t clk) 2666 { 2667 struct smu_context *smu = handle; 2668 2669 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2670 return -EOPNOTSUPP; 2671 2672 return smu_set_min_dcef_deep_sleep(smu, clk); 2673 } 2674 2675 static int smu_get_clock_by_type_with_latency(void *handle, 2676 enum amd_pp_clock_type type, 2677 struct pp_clock_levels_with_latency *clocks) 2678 { 2679 struct smu_context *smu = handle; 2680 enum smu_clk_type clk_type; 2681 int ret = 0; 2682 2683 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2684 return -EOPNOTSUPP; 2685 2686 if (smu->ppt_funcs->get_clock_by_type_with_latency) { 2687 switch (type) { 2688 case amd_pp_sys_clock: 2689 clk_type = SMU_GFXCLK; 2690 break; 2691 case amd_pp_mem_clock: 2692 clk_type = SMU_MCLK; 2693 break; 2694 case amd_pp_dcef_clock: 2695 clk_type = SMU_DCEFCLK; 2696 break; 2697 case amd_pp_disp_clock: 2698 clk_type = SMU_DISPCLK; 2699 break; 2700 default: 2701 dev_err(smu->adev->dev, "Invalid clock type!\n"); 2702 return -EINVAL; 2703 } 2704 2705 ret = smu->ppt_funcs->get_clock_by_type_with_latency(smu, clk_type, clocks); 2706 } 2707 2708 return ret; 2709 } 2710 2711 static int smu_display_clock_voltage_request(void *handle, 2712 struct pp_display_clock_request *clock_req) 2713 { 2714 struct smu_context *smu = handle; 2715 int ret = 0; 2716 2717 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2718 return -EOPNOTSUPP; 2719 2720 if (smu->ppt_funcs->display_clock_voltage_request) 2721 ret = smu->ppt_funcs->display_clock_voltage_request(smu, clock_req); 2722 2723 return ret; 2724 } 2725 2726 2727 static int smu_display_disable_memory_clock_switch(void *handle, 2728 bool disable_memory_clock_switch) 2729 { 2730 struct smu_context *smu = handle; 2731 int ret = -EINVAL; 2732 2733 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2734 return -EOPNOTSUPP; 2735 2736 if (smu->ppt_funcs->display_disable_memory_clock_switch) 2737 ret = smu->ppt_funcs->display_disable_memory_clock_switch(smu, disable_memory_clock_switch); 2738 2739 return ret; 2740 } 2741 2742 static int smu_set_xgmi_pstate(void *handle, 2743 uint32_t pstate) 2744 { 2745 struct smu_context *smu = handle; 2746 int ret = 0; 2747 2748 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2749 return -EOPNOTSUPP; 2750 2751 if (smu->ppt_funcs->set_xgmi_pstate) 2752 ret = smu->ppt_funcs->set_xgmi_pstate(smu, pstate); 2753 2754 if(ret) 2755 dev_err(smu->adev->dev, "Failed to set XGMI pstate!\n"); 2756 2757 return ret; 2758 } 2759 2760 static int smu_get_baco_capability(void *handle, bool *cap) 2761 { 2762 struct smu_context *smu = handle; 2763 2764 *cap = false; 2765 2766 if (!smu->pm_enabled) 2767 return 0; 2768 2769 if (smu->ppt_funcs && smu->ppt_funcs->baco_is_support) 2770 *cap = smu->ppt_funcs->baco_is_support(smu); 2771 2772 return 0; 2773 } 2774 2775 static int smu_baco_set_state(void *handle, int state) 2776 { 2777 struct smu_context *smu = handle; 2778 int ret = 0; 2779 2780 if (!smu->pm_enabled) 2781 return -EOPNOTSUPP; 2782 2783 if (state == 0) { 2784 if (smu->ppt_funcs->baco_exit) 2785 ret = smu->ppt_funcs->baco_exit(smu); 2786 } else if (state == 1) { 2787 if (smu->ppt_funcs->baco_enter) 2788 ret = smu->ppt_funcs->baco_enter(smu); 2789 } else { 2790 return -EINVAL; 2791 } 2792 2793 if (ret) 2794 dev_err(smu->adev->dev, "Failed to %s BACO state!\n", 2795 (state)?"enter":"exit"); 2796 2797 return ret; 2798 } 2799 2800 bool smu_mode1_reset_is_support(struct smu_context *smu) 2801 { 2802 bool ret = false; 2803 2804 if (!smu->pm_enabled) 2805 return false; 2806 2807 if (smu->ppt_funcs && smu->ppt_funcs->mode1_reset_is_support) 2808 ret = smu->ppt_funcs->mode1_reset_is_support(smu); 2809 2810 return ret; 2811 } 2812 2813 bool smu_mode2_reset_is_support(struct smu_context *smu) 2814 { 2815 bool ret = false; 2816 2817 if (!smu->pm_enabled) 2818 return false; 2819 2820 if (smu->ppt_funcs && smu->ppt_funcs->mode2_reset_is_support) 2821 ret = smu->ppt_funcs->mode2_reset_is_support(smu); 2822 2823 return ret; 2824 } 2825 2826 int smu_mode1_reset(struct smu_context *smu) 2827 { 2828 int ret = 0; 2829 2830 if (!smu->pm_enabled) 2831 return -EOPNOTSUPP; 2832 2833 if (smu->ppt_funcs->mode1_reset) 2834 ret = smu->ppt_funcs->mode1_reset(smu); 2835 2836 return ret; 2837 } 2838 2839 static int smu_mode2_reset(void *handle) 2840 { 2841 struct smu_context *smu = handle; 2842 int ret = 0; 2843 2844 if (!smu->pm_enabled) 2845 return -EOPNOTSUPP; 2846 2847 if (smu->ppt_funcs->mode2_reset) 2848 ret = smu->ppt_funcs->mode2_reset(smu); 2849 2850 if (ret) 2851 dev_err(smu->adev->dev, "Mode2 reset failed!\n"); 2852 2853 return ret; 2854 } 2855 2856 static int smu_get_max_sustainable_clocks_by_dc(void *handle, 2857 struct pp_smu_nv_clock_table *max_clocks) 2858 { 2859 struct smu_context *smu = handle; 2860 int ret = 0; 2861 2862 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2863 return -EOPNOTSUPP; 2864 2865 if (smu->ppt_funcs->get_max_sustainable_clocks_by_dc) 2866 ret = smu->ppt_funcs->get_max_sustainable_clocks_by_dc(smu, max_clocks); 2867 2868 return ret; 2869 } 2870 2871 static int smu_get_uclk_dpm_states(void *handle, 2872 unsigned int *clock_values_in_khz, 2873 unsigned int *num_states) 2874 { 2875 struct smu_context *smu = handle; 2876 int ret = 0; 2877 2878 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2879 return -EOPNOTSUPP; 2880 2881 if (smu->ppt_funcs->get_uclk_dpm_states) 2882 ret = smu->ppt_funcs->get_uclk_dpm_states(smu, clock_values_in_khz, num_states); 2883 2884 return ret; 2885 } 2886 2887 static enum amd_pm_state_type smu_get_current_power_state(void *handle) 2888 { 2889 struct smu_context *smu = handle; 2890 enum amd_pm_state_type pm_state = POWER_STATE_TYPE_DEFAULT; 2891 2892 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2893 return -EOPNOTSUPP; 2894 2895 if (smu->ppt_funcs->get_current_power_state) 2896 pm_state = smu->ppt_funcs->get_current_power_state(smu); 2897 2898 return pm_state; 2899 } 2900 2901 static int smu_get_dpm_clock_table(void *handle, 2902 struct dpm_clocks *clock_table) 2903 { 2904 struct smu_context *smu = handle; 2905 int ret = 0; 2906 2907 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2908 return -EOPNOTSUPP; 2909 2910 if (smu->ppt_funcs->get_dpm_clock_table) 2911 ret = smu->ppt_funcs->get_dpm_clock_table(smu, clock_table); 2912 2913 return ret; 2914 } 2915 2916 static ssize_t smu_sys_get_gpu_metrics(void *handle, void **table) 2917 { 2918 struct smu_context *smu = handle; 2919 2920 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2921 return -EOPNOTSUPP; 2922 2923 if (!smu->ppt_funcs->get_gpu_metrics) 2924 return -EOPNOTSUPP; 2925 2926 return smu->ppt_funcs->get_gpu_metrics(smu, table); 2927 } 2928 2929 static int smu_enable_mgpu_fan_boost(void *handle) 2930 { 2931 struct smu_context *smu = handle; 2932 int ret = 0; 2933 2934 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2935 return -EOPNOTSUPP; 2936 2937 if (smu->ppt_funcs->enable_mgpu_fan_boost) 2938 ret = smu->ppt_funcs->enable_mgpu_fan_boost(smu); 2939 2940 return ret; 2941 } 2942 2943 static int smu_gfx_state_change_set(void *handle, 2944 uint32_t state) 2945 { 2946 struct smu_context *smu = handle; 2947 int ret = 0; 2948 2949 if (smu->ppt_funcs->gfx_state_change_set) 2950 ret = smu->ppt_funcs->gfx_state_change_set(smu, state); 2951 2952 return ret; 2953 } 2954 2955 int smu_handle_passthrough_sbr(struct smu_context *smu, bool enable) 2956 { 2957 int ret = 0; 2958 2959 if (smu->ppt_funcs->smu_handle_passthrough_sbr) 2960 ret = smu->ppt_funcs->smu_handle_passthrough_sbr(smu, enable); 2961 2962 return ret; 2963 } 2964 2965 int smu_get_ecc_info(struct smu_context *smu, void *umc_ecc) 2966 { 2967 int ret = -EOPNOTSUPP; 2968 2969 if (smu->ppt_funcs && 2970 smu->ppt_funcs->get_ecc_info) 2971 ret = smu->ppt_funcs->get_ecc_info(smu, umc_ecc); 2972 2973 return ret; 2974 2975 } 2976 2977 static int smu_get_prv_buffer_details(void *handle, void **addr, size_t *size) 2978 { 2979 struct smu_context *smu = handle; 2980 struct smu_table_context *smu_table = &smu->smu_table; 2981 struct smu_table *memory_pool = &smu_table->memory_pool; 2982 2983 if (!addr || !size) 2984 return -EINVAL; 2985 2986 *addr = NULL; 2987 *size = 0; 2988 if (memory_pool->bo) { 2989 *addr = memory_pool->cpu_addr; 2990 *size = memory_pool->size; 2991 } 2992 2993 return 0; 2994 } 2995 2996 static const struct amd_pm_funcs swsmu_pm_funcs = { 2997 /* export for sysfs */ 2998 .set_fan_control_mode = smu_set_fan_control_mode, 2999 .get_fan_control_mode = smu_get_fan_control_mode, 3000 .set_fan_speed_pwm = smu_set_fan_speed_pwm, 3001 .get_fan_speed_pwm = smu_get_fan_speed_pwm, 3002 .force_clock_level = smu_force_ppclk_levels, 3003 .print_clock_levels = smu_print_ppclk_levels, 3004 .emit_clock_levels = smu_emit_ppclk_levels, 3005 .force_performance_level = smu_force_performance_level, 3006 .read_sensor = smu_read_sensor, 3007 .get_performance_level = smu_get_performance_level, 3008 .get_current_power_state = smu_get_current_power_state, 3009 .get_fan_speed_rpm = smu_get_fan_speed_rpm, 3010 .set_fan_speed_rpm = smu_set_fan_speed_rpm, 3011 .get_pp_num_states = smu_get_power_num_states, 3012 .get_pp_table = smu_sys_get_pp_table, 3013 .set_pp_table = smu_sys_set_pp_table, 3014 .switch_power_profile = smu_switch_power_profile, 3015 /* export to amdgpu */ 3016 .dispatch_tasks = smu_handle_dpm_task, 3017 .load_firmware = smu_load_microcode, 3018 .set_powergating_by_smu = smu_dpm_set_power_gate, 3019 .set_power_limit = smu_set_power_limit, 3020 .get_power_limit = smu_get_power_limit, 3021 .get_power_profile_mode = smu_get_power_profile_mode, 3022 .set_power_profile_mode = smu_set_power_profile_mode, 3023 .odn_edit_dpm_table = smu_od_edit_dpm_table, 3024 .set_mp1_state = smu_set_mp1_state, 3025 .gfx_state_change_set = smu_gfx_state_change_set, 3026 /* export to DC */ 3027 .get_sclk = smu_get_sclk, 3028 .get_mclk = smu_get_mclk, 3029 .display_configuration_change = smu_display_configuration_change, 3030 .get_clock_by_type_with_latency = smu_get_clock_by_type_with_latency, 3031 .display_clock_voltage_request = smu_display_clock_voltage_request, 3032 .enable_mgpu_fan_boost = smu_enable_mgpu_fan_boost, 3033 .set_active_display_count = smu_set_display_count, 3034 .set_min_deep_sleep_dcefclk = smu_set_deep_sleep_dcefclk, 3035 .get_asic_baco_capability = smu_get_baco_capability, 3036 .set_asic_baco_state = smu_baco_set_state, 3037 .get_ppfeature_status = smu_sys_get_pp_feature_mask, 3038 .set_ppfeature_status = smu_sys_set_pp_feature_mask, 3039 .asic_reset_mode_2 = smu_mode2_reset, 3040 .set_df_cstate = smu_set_df_cstate, 3041 .set_xgmi_pstate = smu_set_xgmi_pstate, 3042 .get_gpu_metrics = smu_sys_get_gpu_metrics, 3043 .set_watermarks_for_clock_ranges = smu_set_watermarks_for_clock_ranges, 3044 .display_disable_memory_clock_switch = smu_display_disable_memory_clock_switch, 3045 .get_max_sustainable_clocks_by_dc = smu_get_max_sustainable_clocks_by_dc, 3046 .get_uclk_dpm_states = smu_get_uclk_dpm_states, 3047 .get_dpm_clock_table = smu_get_dpm_clock_table, 3048 .get_smu_prv_buf_details = smu_get_prv_buffer_details, 3049 }; 3050 3051 int smu_wait_for_event(struct smu_context *smu, enum smu_event_type event, 3052 uint64_t event_arg) 3053 { 3054 int ret = -EINVAL; 3055 3056 if (smu->ppt_funcs->wait_for_event) 3057 ret = smu->ppt_funcs->wait_for_event(smu, event, event_arg); 3058 3059 return ret; 3060 } 3061 3062 int smu_stb_collect_info(struct smu_context *smu, void *buf, uint32_t size) 3063 { 3064 3065 if (!smu->ppt_funcs->stb_collect_info || !smu->stb_context.enabled) 3066 return -EOPNOTSUPP; 3067 3068 /* Confirm the buffer allocated is of correct size */ 3069 if (size != smu->stb_context.stb_buf_size) 3070 return -EINVAL; 3071 3072 /* 3073 * No need to lock smu mutex as we access STB directly through MMIO 3074 * and not going through SMU messaging route (for now at least). 3075 * For registers access rely on implementation internal locking. 3076 */ 3077 return smu->ppt_funcs->stb_collect_info(smu, buf, size); 3078 } 3079 3080 #if defined(CONFIG_DEBUG_FS) 3081 3082 static int smu_stb_debugfs_open(struct inode *inode, struct file *filp) 3083 { 3084 struct amdgpu_device *adev = filp->f_inode->i_private; 3085 struct smu_context *smu = adev->powerplay.pp_handle; 3086 unsigned char *buf; 3087 int r; 3088 3089 buf = kvmalloc_array(smu->stb_context.stb_buf_size, sizeof(*buf), GFP_KERNEL); 3090 if (!buf) 3091 return -ENOMEM; 3092 3093 r = smu_stb_collect_info(smu, buf, smu->stb_context.stb_buf_size); 3094 if (r) 3095 goto out; 3096 3097 filp->private_data = buf; 3098 3099 return 0; 3100 3101 out: 3102 kvfree(buf); 3103 return r; 3104 } 3105 3106 static ssize_t smu_stb_debugfs_read(struct file *filp, char __user *buf, size_t size, 3107 loff_t *pos) 3108 { 3109 struct amdgpu_device *adev = filp->f_inode->i_private; 3110 struct smu_context *smu = adev->powerplay.pp_handle; 3111 3112 3113 if (!filp->private_data) 3114 return -EINVAL; 3115 3116 return simple_read_from_buffer(buf, 3117 size, 3118 pos, filp->private_data, 3119 smu->stb_context.stb_buf_size); 3120 } 3121 3122 static int smu_stb_debugfs_release(struct inode *inode, struct file *filp) 3123 { 3124 kvfree(filp->private_data); 3125 filp->private_data = NULL; 3126 3127 return 0; 3128 } 3129 3130 /* 3131 * We have to define not only read method but also 3132 * open and release because .read takes up to PAGE_SIZE 3133 * data each time so and so is invoked multiple times. 3134 * We allocate the STB buffer in .open and release it 3135 * in .release 3136 */ 3137 static const struct file_operations smu_stb_debugfs_fops = { 3138 .owner = THIS_MODULE, 3139 .open = smu_stb_debugfs_open, 3140 .read = smu_stb_debugfs_read, 3141 .release = smu_stb_debugfs_release, 3142 .llseek = default_llseek, 3143 }; 3144 3145 #endif 3146 3147 void amdgpu_smu_stb_debug_fs_init(struct amdgpu_device *adev) 3148 { 3149 #if defined(CONFIG_DEBUG_FS) 3150 3151 struct smu_context *smu = adev->powerplay.pp_handle; 3152 3153 if (!smu || (!smu->stb_context.stb_buf_size)) 3154 return; 3155 3156 debugfs_create_file_size("amdgpu_smu_stb_dump", 3157 S_IRUSR, 3158 adev_to_drm(adev)->primary->debugfs_root, 3159 adev, 3160 &smu_stb_debugfs_fops, 3161 smu->stb_context.stb_buf_size); 3162 #endif 3163 } 3164 3165 int smu_send_hbm_bad_pages_num(struct smu_context *smu, uint32_t size) 3166 { 3167 int ret = 0; 3168 3169 if (smu->ppt_funcs && smu->ppt_funcs->send_hbm_bad_pages_num) 3170 ret = smu->ppt_funcs->send_hbm_bad_pages_num(smu, size); 3171 3172 return ret; 3173 } 3174 3175 int smu_send_hbm_bad_channel_flag(struct smu_context *smu, uint32_t size) 3176 { 3177 int ret = 0; 3178 3179 if (smu->ppt_funcs && smu->ppt_funcs->send_hbm_bad_channel_flag) 3180 ret = smu->ppt_funcs->send_hbm_bad_channel_flag(smu, size); 3181 3182 return ret; 3183 } 3184