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 #include <linux/reboot.h> 28 29 #include "amdgpu.h" 30 #include "amdgpu_smu.h" 31 #include "smu_internal.h" 32 #include "atom.h" 33 #include "arcturus_ppt.h" 34 #include "navi10_ppt.h" 35 #include "sienna_cichlid_ppt.h" 36 #include "renoir_ppt.h" 37 #include "vangogh_ppt.h" 38 #include "aldebaran_ppt.h" 39 #include "yellow_carp_ppt.h" 40 #include "cyan_skillfish_ppt.h" 41 #include "smu_v13_0_0_ppt.h" 42 #include "smu_v13_0_4_ppt.h" 43 #include "smu_v13_0_5_ppt.h" 44 #include "smu_v13_0_6_ppt.h" 45 #include "smu_v13_0_7_ppt.h" 46 #include "amd_pcie.h" 47 48 /* 49 * DO NOT use these for err/warn/info/debug messages. 50 * Use dev_err, dev_warn, dev_info and dev_dbg instead. 51 * They are more MGPU friendly. 52 */ 53 #undef pr_err 54 #undef pr_warn 55 #undef pr_info 56 #undef pr_debug 57 58 static const struct amd_pm_funcs swsmu_pm_funcs; 59 static int smu_force_smuclk_levels(struct smu_context *smu, 60 enum smu_clk_type clk_type, 61 uint32_t mask); 62 static int smu_handle_task(struct smu_context *smu, 63 enum amd_dpm_forced_level level, 64 enum amd_pp_task task_id); 65 static int smu_reset(struct smu_context *smu); 66 static int smu_set_fan_speed_pwm(void *handle, u32 speed); 67 static int smu_set_fan_control_mode(void *handle, u32 value); 68 static int smu_set_power_limit(void *handle, uint32_t limit); 69 static int smu_set_fan_speed_rpm(void *handle, uint32_t speed); 70 static int smu_set_gfx_cgpg(struct smu_context *smu, bool enabled); 71 static int smu_set_mp1_state(void *handle, enum pp_mp1_state mp1_state); 72 73 static int smu_sys_get_pp_feature_mask(void *handle, 74 char *buf) 75 { 76 struct smu_context *smu = handle; 77 78 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 79 return -EOPNOTSUPP; 80 81 return smu_get_pp_feature_mask(smu, buf); 82 } 83 84 static int smu_sys_set_pp_feature_mask(void *handle, 85 uint64_t new_mask) 86 { 87 struct smu_context *smu = handle; 88 89 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 90 return -EOPNOTSUPP; 91 92 return smu_set_pp_feature_mask(smu, new_mask); 93 } 94 95 int smu_set_residency_gfxoff(struct smu_context *smu, bool value) 96 { 97 if (!smu->ppt_funcs->set_gfx_off_residency) 98 return -EINVAL; 99 100 return smu_set_gfx_off_residency(smu, value); 101 } 102 103 int smu_get_residency_gfxoff(struct smu_context *smu, u32 *value) 104 { 105 if (!smu->ppt_funcs->get_gfx_off_residency) 106 return -EINVAL; 107 108 return smu_get_gfx_off_residency(smu, value); 109 } 110 111 int smu_get_entrycount_gfxoff(struct smu_context *smu, u64 *value) 112 { 113 if (!smu->ppt_funcs->get_gfx_off_entrycount) 114 return -EINVAL; 115 116 return smu_get_gfx_off_entrycount(smu, value); 117 } 118 119 int smu_get_status_gfxoff(struct smu_context *smu, uint32_t *value) 120 { 121 if (!smu->ppt_funcs->get_gfx_off_status) 122 return -EINVAL; 123 124 *value = smu_get_gfx_off_status(smu); 125 126 return 0; 127 } 128 129 int smu_set_soft_freq_range(struct smu_context *smu, 130 enum smu_clk_type clk_type, 131 uint32_t min, 132 uint32_t max) 133 { 134 int ret = 0; 135 136 if (smu->ppt_funcs->set_soft_freq_limited_range) 137 ret = smu->ppt_funcs->set_soft_freq_limited_range(smu, 138 clk_type, 139 min, 140 max); 141 142 return ret; 143 } 144 145 int smu_get_dpm_freq_range(struct smu_context *smu, 146 enum smu_clk_type clk_type, 147 uint32_t *min, 148 uint32_t *max) 149 { 150 int ret = -ENOTSUPP; 151 152 if (!min && !max) 153 return -EINVAL; 154 155 if (smu->ppt_funcs->get_dpm_ultimate_freq) 156 ret = smu->ppt_funcs->get_dpm_ultimate_freq(smu, 157 clk_type, 158 min, 159 max); 160 161 return ret; 162 } 163 164 int smu_set_gfx_power_up_by_imu(struct smu_context *smu) 165 { 166 int ret = 0; 167 struct amdgpu_device *adev = smu->adev; 168 169 if (smu->ppt_funcs->set_gfx_power_up_by_imu) { 170 ret = smu->ppt_funcs->set_gfx_power_up_by_imu(smu); 171 if (ret) 172 dev_err(adev->dev, "Failed to enable gfx imu!\n"); 173 } 174 return ret; 175 } 176 177 static u32 smu_get_mclk(void *handle, bool low) 178 { 179 struct smu_context *smu = handle; 180 uint32_t clk_freq; 181 int ret = 0; 182 183 ret = smu_get_dpm_freq_range(smu, SMU_UCLK, 184 low ? &clk_freq : NULL, 185 !low ? &clk_freq : NULL); 186 if (ret) 187 return 0; 188 return clk_freq * 100; 189 } 190 191 static u32 smu_get_sclk(void *handle, bool low) 192 { 193 struct smu_context *smu = handle; 194 uint32_t clk_freq; 195 int ret = 0; 196 197 ret = smu_get_dpm_freq_range(smu, SMU_GFXCLK, 198 low ? &clk_freq : NULL, 199 !low ? &clk_freq : NULL); 200 if (ret) 201 return 0; 202 return clk_freq * 100; 203 } 204 205 static int smu_set_gfx_imu_enable(struct smu_context *smu) 206 { 207 struct amdgpu_device *adev = smu->adev; 208 209 if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) 210 return 0; 211 212 if (amdgpu_in_reset(smu->adev) || adev->in_s0ix) 213 return 0; 214 215 return smu_set_gfx_power_up_by_imu(smu); 216 } 217 218 static int smu_dpm_set_vcn_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_vcn_enable) 226 return 0; 227 228 if (atomic_read(&power_gate->vcn_gated) ^ enable) 229 return 0; 230 231 ret = smu->ppt_funcs->dpm_set_vcn_enable(smu, enable); 232 if (!ret) 233 atomic_set(&power_gate->vcn_gated, !enable); 234 235 return ret; 236 } 237 238 static int smu_dpm_set_jpeg_enable(struct smu_context *smu, 239 bool enable) 240 { 241 struct smu_power_context *smu_power = &smu->smu_power; 242 struct smu_power_gate *power_gate = &smu_power->power_gate; 243 int ret = 0; 244 245 if (!smu->ppt_funcs->dpm_set_jpeg_enable) 246 return 0; 247 248 if (atomic_read(&power_gate->jpeg_gated) ^ enable) 249 return 0; 250 251 ret = smu->ppt_funcs->dpm_set_jpeg_enable(smu, enable); 252 if (!ret) 253 atomic_set(&power_gate->jpeg_gated, !enable); 254 255 return ret; 256 } 257 258 /** 259 * smu_dpm_set_power_gate - power gate/ungate the specific IP block 260 * 261 * @handle: smu_context pointer 262 * @block_type: the IP block to power gate/ungate 263 * @gate: to power gate if true, ungate otherwise 264 * 265 * This API uses no smu->mutex lock protection due to: 266 * 1. It is either called by other IP block(gfx/sdma/vcn/uvd/vce). 267 * This is guarded to be race condition free by the caller. 268 * 2. Or get called on user setting request of power_dpm_force_performance_level. 269 * Under this case, the smu->mutex lock protection is already enforced on 270 * the parent API smu_force_performance_level of the call path. 271 */ 272 static int smu_dpm_set_power_gate(void *handle, 273 uint32_t block_type, 274 bool gate) 275 { 276 struct smu_context *smu = handle; 277 int ret = 0; 278 279 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) { 280 dev_WARN(smu->adev->dev, 281 "SMU uninitialized but power %s requested for %u!\n", 282 gate ? "gate" : "ungate", block_type); 283 return -EOPNOTSUPP; 284 } 285 286 switch (block_type) { 287 /* 288 * Some legacy code of amdgpu_vcn.c and vcn_v2*.c still uses 289 * AMD_IP_BLOCK_TYPE_UVD for VCN. So, here both of them are kept. 290 */ 291 case AMD_IP_BLOCK_TYPE_UVD: 292 case AMD_IP_BLOCK_TYPE_VCN: 293 ret = smu_dpm_set_vcn_enable(smu, !gate); 294 if (ret) 295 dev_err(smu->adev->dev, "Failed to power %s VCN!\n", 296 gate ? "gate" : "ungate"); 297 break; 298 case AMD_IP_BLOCK_TYPE_GFX: 299 ret = smu_gfx_off_control(smu, gate); 300 if (ret) 301 dev_err(smu->adev->dev, "Failed to %s gfxoff!\n", 302 gate ? "enable" : "disable"); 303 break; 304 case AMD_IP_BLOCK_TYPE_SDMA: 305 ret = smu_powergate_sdma(smu, gate); 306 if (ret) 307 dev_err(smu->adev->dev, "Failed to power %s SDMA!\n", 308 gate ? "gate" : "ungate"); 309 break; 310 case AMD_IP_BLOCK_TYPE_JPEG: 311 ret = smu_dpm_set_jpeg_enable(smu, !gate); 312 if (ret) 313 dev_err(smu->adev->dev, "Failed to power %s JPEG!\n", 314 gate ? "gate" : "ungate"); 315 break; 316 default: 317 dev_err(smu->adev->dev, "Unsupported block type!\n"); 318 return -EINVAL; 319 } 320 321 return ret; 322 } 323 324 /** 325 * smu_set_user_clk_dependencies - set user profile clock dependencies 326 * 327 * @smu: smu_context pointer 328 * @clk: enum smu_clk_type type 329 * 330 * Enable/Disable the clock dependency for the @clk type. 331 */ 332 static void smu_set_user_clk_dependencies(struct smu_context *smu, enum smu_clk_type clk) 333 { 334 if (smu->adev->in_suspend) 335 return; 336 337 if (clk == SMU_MCLK) { 338 smu->user_dpm_profile.clk_dependency = 0; 339 smu->user_dpm_profile.clk_dependency = BIT(SMU_FCLK) | BIT(SMU_SOCCLK); 340 } else if (clk == SMU_FCLK) { 341 /* MCLK takes precedence over FCLK */ 342 if (smu->user_dpm_profile.clk_dependency == (BIT(SMU_FCLK) | BIT(SMU_SOCCLK))) 343 return; 344 345 smu->user_dpm_profile.clk_dependency = 0; 346 smu->user_dpm_profile.clk_dependency = BIT(SMU_MCLK) | BIT(SMU_SOCCLK); 347 } else if (clk == SMU_SOCCLK) { 348 /* MCLK takes precedence over SOCCLK */ 349 if (smu->user_dpm_profile.clk_dependency == (BIT(SMU_FCLK) | BIT(SMU_SOCCLK))) 350 return; 351 352 smu->user_dpm_profile.clk_dependency = 0; 353 smu->user_dpm_profile.clk_dependency = BIT(SMU_MCLK) | BIT(SMU_FCLK); 354 } else 355 /* Add clk dependencies here, if any */ 356 return; 357 } 358 359 /** 360 * smu_restore_dpm_user_profile - reinstate user dpm profile 361 * 362 * @smu: smu_context pointer 363 * 364 * Restore the saved user power configurations include power limit, 365 * clock frequencies, fan control mode and fan speed. 366 */ 367 static void smu_restore_dpm_user_profile(struct smu_context *smu) 368 { 369 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm); 370 int ret = 0; 371 372 if (!smu->adev->in_suspend) 373 return; 374 375 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 376 return; 377 378 /* Enable restore flag */ 379 smu->user_dpm_profile.flags |= SMU_DPM_USER_PROFILE_RESTORE; 380 381 /* set the user dpm power limit */ 382 if (smu->user_dpm_profile.power_limit) { 383 ret = smu_set_power_limit(smu, smu->user_dpm_profile.power_limit); 384 if (ret) 385 dev_err(smu->adev->dev, "Failed to set power limit value\n"); 386 } 387 388 /* set the user dpm clock configurations */ 389 if (smu_dpm_ctx->dpm_level == AMD_DPM_FORCED_LEVEL_MANUAL) { 390 enum smu_clk_type clk_type; 391 392 for (clk_type = 0; clk_type < SMU_CLK_COUNT; clk_type++) { 393 /* 394 * Iterate over smu clk type and force the saved user clk 395 * configs, skip if clock dependency is enabled 396 */ 397 if (!(smu->user_dpm_profile.clk_dependency & BIT(clk_type)) && 398 smu->user_dpm_profile.clk_mask[clk_type]) { 399 ret = smu_force_smuclk_levels(smu, clk_type, 400 smu->user_dpm_profile.clk_mask[clk_type]); 401 if (ret) 402 dev_err(smu->adev->dev, 403 "Failed to set clock type = %d\n", clk_type); 404 } 405 } 406 } 407 408 /* set the user dpm fan configurations */ 409 if (smu->user_dpm_profile.fan_mode == AMD_FAN_CTRL_MANUAL || 410 smu->user_dpm_profile.fan_mode == AMD_FAN_CTRL_NONE) { 411 ret = smu_set_fan_control_mode(smu, smu->user_dpm_profile.fan_mode); 412 if (ret != -EOPNOTSUPP) { 413 smu->user_dpm_profile.fan_speed_pwm = 0; 414 smu->user_dpm_profile.fan_speed_rpm = 0; 415 smu->user_dpm_profile.fan_mode = AMD_FAN_CTRL_AUTO; 416 dev_err(smu->adev->dev, "Failed to set manual fan control mode\n"); 417 } 418 419 if (smu->user_dpm_profile.fan_speed_pwm) { 420 ret = smu_set_fan_speed_pwm(smu, smu->user_dpm_profile.fan_speed_pwm); 421 if (ret != -EOPNOTSUPP) 422 dev_err(smu->adev->dev, "Failed to set manual fan speed in pwm\n"); 423 } 424 425 if (smu->user_dpm_profile.fan_speed_rpm) { 426 ret = smu_set_fan_speed_rpm(smu, smu->user_dpm_profile.fan_speed_rpm); 427 if (ret != -EOPNOTSUPP) 428 dev_err(smu->adev->dev, "Failed to set manual fan speed in rpm\n"); 429 } 430 } 431 432 /* Restore user customized OD settings */ 433 if (smu->user_dpm_profile.user_od) { 434 if (smu->ppt_funcs->restore_user_od_settings) { 435 ret = smu->ppt_funcs->restore_user_od_settings(smu); 436 if (ret) 437 dev_err(smu->adev->dev, "Failed to upload customized OD settings\n"); 438 } 439 } 440 441 /* Disable restore flag */ 442 smu->user_dpm_profile.flags &= ~SMU_DPM_USER_PROFILE_RESTORE; 443 } 444 445 static int smu_get_power_num_states(void *handle, 446 struct pp_states_info *state_info) 447 { 448 if (!state_info) 449 return -EINVAL; 450 451 /* not support power state */ 452 memset(state_info, 0, sizeof(struct pp_states_info)); 453 state_info->nums = 1; 454 state_info->states[0] = POWER_STATE_TYPE_DEFAULT; 455 456 return 0; 457 } 458 459 bool is_support_sw_smu(struct amdgpu_device *adev) 460 { 461 /* vega20 is 11.0.2, but it's supported via the powerplay code */ 462 if (adev->asic_type == CHIP_VEGA20) 463 return false; 464 465 if (adev->ip_versions[MP1_HWIP][0] >= IP_VERSION(11, 0, 0)) 466 return true; 467 468 return false; 469 } 470 471 bool is_support_cclk_dpm(struct amdgpu_device *adev) 472 { 473 struct smu_context *smu = adev->powerplay.pp_handle; 474 475 if (!smu_feature_is_enabled(smu, SMU_FEATURE_CCLK_DPM_BIT)) 476 return false; 477 478 return true; 479 } 480 481 482 static int smu_sys_get_pp_table(void *handle, 483 char **table) 484 { 485 struct smu_context *smu = handle; 486 struct smu_table_context *smu_table = &smu->smu_table; 487 488 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 489 return -EOPNOTSUPP; 490 491 if (!smu_table->power_play_table && !smu_table->hardcode_pptable) 492 return -EINVAL; 493 494 if (smu_table->hardcode_pptable) 495 *table = smu_table->hardcode_pptable; 496 else 497 *table = smu_table->power_play_table; 498 499 return smu_table->power_play_table_size; 500 } 501 502 static int smu_sys_set_pp_table(void *handle, 503 const char *buf, 504 size_t size) 505 { 506 struct smu_context *smu = handle; 507 struct smu_table_context *smu_table = &smu->smu_table; 508 ATOM_COMMON_TABLE_HEADER *header = (ATOM_COMMON_TABLE_HEADER *)buf; 509 int ret = 0; 510 511 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 512 return -EOPNOTSUPP; 513 514 if (header->usStructureSize != size) { 515 dev_err(smu->adev->dev, "pp table size not matched !\n"); 516 return -EIO; 517 } 518 519 if (!smu_table->hardcode_pptable) { 520 smu_table->hardcode_pptable = kzalloc(size, GFP_KERNEL); 521 if (!smu_table->hardcode_pptable) 522 return -ENOMEM; 523 } 524 525 memcpy(smu_table->hardcode_pptable, buf, size); 526 smu_table->power_play_table = smu_table->hardcode_pptable; 527 smu_table->power_play_table_size = size; 528 529 /* 530 * Special hw_fini action(for Navi1x, the DPMs disablement will be 531 * skipped) may be needed for custom pptable uploading. 532 */ 533 smu->uploading_custom_pp_table = true; 534 535 ret = smu_reset(smu); 536 if (ret) 537 dev_info(smu->adev->dev, "smu reset failed, ret = %d\n", ret); 538 539 smu->uploading_custom_pp_table = false; 540 541 return ret; 542 } 543 544 static int smu_get_driver_allowed_feature_mask(struct smu_context *smu) 545 { 546 struct smu_feature *feature = &smu->smu_feature; 547 uint32_t allowed_feature_mask[SMU_FEATURE_MAX/32]; 548 int ret = 0; 549 550 /* 551 * With SCPM enabled, the allowed featuremasks setting(via 552 * PPSMC_MSG_SetAllowedFeaturesMaskLow/High) is not permitted. 553 * That means there is no way to let PMFW knows the settings below. 554 * Thus, we just assume all the features are allowed under 555 * such scenario. 556 */ 557 if (smu->adev->scpm_enabled) { 558 bitmap_fill(feature->allowed, SMU_FEATURE_MAX); 559 return 0; 560 } 561 562 bitmap_zero(feature->allowed, SMU_FEATURE_MAX); 563 564 ret = smu_get_allowed_feature_mask(smu, allowed_feature_mask, 565 SMU_FEATURE_MAX/32); 566 if (ret) 567 return ret; 568 569 bitmap_or(feature->allowed, feature->allowed, 570 (unsigned long *)allowed_feature_mask, 571 feature->feature_num); 572 573 return ret; 574 } 575 576 static int smu_set_funcs(struct amdgpu_device *adev) 577 { 578 struct smu_context *smu = adev->powerplay.pp_handle; 579 580 if (adev->pm.pp_feature & PP_OVERDRIVE_MASK) 581 smu->od_enabled = true; 582 583 switch (adev->ip_versions[MP1_HWIP][0]) { 584 case IP_VERSION(11, 0, 0): 585 case IP_VERSION(11, 0, 5): 586 case IP_VERSION(11, 0, 9): 587 navi10_set_ppt_funcs(smu); 588 break; 589 case IP_VERSION(11, 0, 7): 590 case IP_VERSION(11, 0, 11): 591 case IP_VERSION(11, 0, 12): 592 case IP_VERSION(11, 0, 13): 593 sienna_cichlid_set_ppt_funcs(smu); 594 break; 595 case IP_VERSION(12, 0, 0): 596 case IP_VERSION(12, 0, 1): 597 renoir_set_ppt_funcs(smu); 598 break; 599 case IP_VERSION(11, 5, 0): 600 vangogh_set_ppt_funcs(smu); 601 break; 602 case IP_VERSION(13, 0, 1): 603 case IP_VERSION(13, 0, 3): 604 case IP_VERSION(13, 0, 8): 605 yellow_carp_set_ppt_funcs(smu); 606 break; 607 case IP_VERSION(13, 0, 4): 608 case IP_VERSION(13, 0, 11): 609 smu_v13_0_4_set_ppt_funcs(smu); 610 break; 611 case IP_VERSION(13, 0, 5): 612 smu_v13_0_5_set_ppt_funcs(smu); 613 break; 614 case IP_VERSION(11, 0, 8): 615 cyan_skillfish_set_ppt_funcs(smu); 616 break; 617 case IP_VERSION(11, 0, 2): 618 adev->pm.pp_feature &= ~PP_GFXOFF_MASK; 619 arcturus_set_ppt_funcs(smu); 620 /* OD is not supported on Arcturus */ 621 smu->od_enabled = false; 622 break; 623 case IP_VERSION(13, 0, 2): 624 aldebaran_set_ppt_funcs(smu); 625 /* Enable pp_od_clk_voltage node */ 626 smu->od_enabled = true; 627 break; 628 case IP_VERSION(13, 0, 0): 629 case IP_VERSION(13, 0, 10): 630 smu_v13_0_0_set_ppt_funcs(smu); 631 break; 632 case IP_VERSION(13, 0, 6): 633 smu_v13_0_6_set_ppt_funcs(smu); 634 /* Enable pp_od_clk_voltage node */ 635 smu->od_enabled = true; 636 break; 637 case IP_VERSION(13, 0, 7): 638 smu_v13_0_7_set_ppt_funcs(smu); 639 break; 640 default: 641 return -EINVAL; 642 } 643 644 return 0; 645 } 646 647 static int smu_early_init(void *handle) 648 { 649 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 650 struct smu_context *smu; 651 int r; 652 653 smu = kzalloc(sizeof(struct smu_context), GFP_KERNEL); 654 if (!smu) 655 return -ENOMEM; 656 657 smu->adev = adev; 658 smu->pm_enabled = !!amdgpu_dpm; 659 smu->is_apu = false; 660 smu->smu_baco.state = SMU_BACO_STATE_EXIT; 661 smu->smu_baco.platform_support = false; 662 smu->user_dpm_profile.fan_mode = -1; 663 664 mutex_init(&smu->message_lock); 665 666 adev->powerplay.pp_handle = smu; 667 adev->powerplay.pp_funcs = &swsmu_pm_funcs; 668 669 r = smu_set_funcs(adev); 670 if (r) 671 return r; 672 return smu_init_microcode(smu); 673 } 674 675 static int smu_set_default_dpm_table(struct smu_context *smu) 676 { 677 struct smu_power_context *smu_power = &smu->smu_power; 678 struct smu_power_gate *power_gate = &smu_power->power_gate; 679 int vcn_gate, jpeg_gate; 680 int ret = 0; 681 682 if (!smu->ppt_funcs->set_default_dpm_table) 683 return 0; 684 685 vcn_gate = atomic_read(&power_gate->vcn_gated); 686 jpeg_gate = atomic_read(&power_gate->jpeg_gated); 687 688 ret = smu_dpm_set_vcn_enable(smu, true); 689 if (ret) 690 return ret; 691 692 ret = smu_dpm_set_jpeg_enable(smu, true); 693 if (ret) 694 goto err_out; 695 696 ret = smu->ppt_funcs->set_default_dpm_table(smu); 697 if (ret) 698 dev_err(smu->adev->dev, 699 "Failed to setup default dpm clock tables!\n"); 700 701 smu_dpm_set_jpeg_enable(smu, !jpeg_gate); 702 err_out: 703 smu_dpm_set_vcn_enable(smu, !vcn_gate); 704 return ret; 705 } 706 707 static int smu_apply_default_config_table_settings(struct smu_context *smu) 708 { 709 struct amdgpu_device *adev = smu->adev; 710 int ret = 0; 711 712 ret = smu_get_default_config_table_settings(smu, 713 &adev->pm.config_table); 714 if (ret) 715 return ret; 716 717 return smu_set_config_table(smu, &adev->pm.config_table); 718 } 719 720 static int smu_late_init(void *handle) 721 { 722 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 723 struct smu_context *smu = adev->powerplay.pp_handle; 724 int ret = 0; 725 726 smu_set_fine_grain_gfx_freq_parameters(smu); 727 728 if (!smu->pm_enabled) 729 return 0; 730 731 ret = smu_post_init(smu); 732 if (ret) { 733 dev_err(adev->dev, "Failed to post smu init!\n"); 734 return ret; 735 } 736 737 /* 738 * Explicitly notify PMFW the power mode the system in. Since 739 * the PMFW may boot the ASIC with a different mode. 740 * For those supporting ACDC switch via gpio, PMFW will 741 * handle the switch automatically. Driver involvement 742 * is unnecessary. 743 */ 744 if (!smu->dc_controlled_by_gpio) { 745 ret = smu_set_power_source(smu, 746 adev->pm.ac_power ? SMU_POWER_SOURCE_AC : 747 SMU_POWER_SOURCE_DC); 748 if (ret) { 749 dev_err(adev->dev, "Failed to switch to %s mode!\n", 750 adev->pm.ac_power ? "AC" : "DC"); 751 return ret; 752 } 753 } 754 755 if ((adev->ip_versions[MP1_HWIP][0] == IP_VERSION(13, 0, 1)) || 756 (adev->ip_versions[MP1_HWIP][0] == IP_VERSION(13, 0, 3))) 757 return 0; 758 759 if (!amdgpu_sriov_vf(adev) || smu->od_enabled) { 760 ret = smu_set_default_od_settings(smu); 761 if (ret) { 762 dev_err(adev->dev, "Failed to setup default OD settings!\n"); 763 return ret; 764 } 765 } 766 767 ret = smu_populate_umd_state_clk(smu); 768 if (ret) { 769 dev_err(adev->dev, "Failed to populate UMD state clocks!\n"); 770 return ret; 771 } 772 773 ret = smu_get_asic_power_limits(smu, 774 &smu->current_power_limit, 775 &smu->default_power_limit, 776 &smu->max_power_limit); 777 if (ret) { 778 dev_err(adev->dev, "Failed to get asic power limits!\n"); 779 return ret; 780 } 781 782 if (!amdgpu_sriov_vf(adev)) 783 smu_get_unique_id(smu); 784 785 smu_get_fan_parameters(smu); 786 787 smu_handle_task(smu, 788 smu->smu_dpm.dpm_level, 789 AMD_PP_TASK_COMPLETE_INIT); 790 791 ret = smu_apply_default_config_table_settings(smu); 792 if (ret && (ret != -EOPNOTSUPP)) { 793 dev_err(adev->dev, "Failed to apply default DriverSmuConfig settings!\n"); 794 return ret; 795 } 796 797 smu_restore_dpm_user_profile(smu); 798 799 return 0; 800 } 801 802 static int smu_init_fb_allocations(struct smu_context *smu) 803 { 804 struct amdgpu_device *adev = smu->adev; 805 struct smu_table_context *smu_table = &smu->smu_table; 806 struct smu_table *tables = smu_table->tables; 807 struct smu_table *driver_table = &(smu_table->driver_table); 808 uint32_t max_table_size = 0; 809 int ret, i; 810 811 /* VRAM allocation for tool table */ 812 if (tables[SMU_TABLE_PMSTATUSLOG].size) { 813 ret = amdgpu_bo_create_kernel(adev, 814 tables[SMU_TABLE_PMSTATUSLOG].size, 815 tables[SMU_TABLE_PMSTATUSLOG].align, 816 tables[SMU_TABLE_PMSTATUSLOG].domain, 817 &tables[SMU_TABLE_PMSTATUSLOG].bo, 818 &tables[SMU_TABLE_PMSTATUSLOG].mc_address, 819 &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr); 820 if (ret) { 821 dev_err(adev->dev, "VRAM allocation for tool table failed!\n"); 822 return ret; 823 } 824 } 825 826 driver_table->domain = AMDGPU_GEM_DOMAIN_VRAM | AMDGPU_GEM_DOMAIN_GTT; 827 /* VRAM allocation for driver table */ 828 for (i = 0; i < SMU_TABLE_COUNT; i++) { 829 if (tables[i].size == 0) 830 continue; 831 832 /* If one of the tables has VRAM domain restriction, keep it in 833 * VRAM 834 */ 835 if ((tables[i].domain & 836 (AMDGPU_GEM_DOMAIN_VRAM | AMDGPU_GEM_DOMAIN_GTT)) == 837 AMDGPU_GEM_DOMAIN_VRAM) 838 driver_table->domain = AMDGPU_GEM_DOMAIN_VRAM; 839 840 if (i == SMU_TABLE_PMSTATUSLOG) 841 continue; 842 843 if (max_table_size < tables[i].size) 844 max_table_size = tables[i].size; 845 } 846 847 driver_table->size = max_table_size; 848 driver_table->align = PAGE_SIZE; 849 850 ret = amdgpu_bo_create_kernel(adev, 851 driver_table->size, 852 driver_table->align, 853 driver_table->domain, 854 &driver_table->bo, 855 &driver_table->mc_address, 856 &driver_table->cpu_addr); 857 if (ret) { 858 dev_err(adev->dev, "VRAM allocation for driver table failed!\n"); 859 if (tables[SMU_TABLE_PMSTATUSLOG].mc_address) 860 amdgpu_bo_free_kernel(&tables[SMU_TABLE_PMSTATUSLOG].bo, 861 &tables[SMU_TABLE_PMSTATUSLOG].mc_address, 862 &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr); 863 } 864 865 return ret; 866 } 867 868 static int smu_fini_fb_allocations(struct smu_context *smu) 869 { 870 struct smu_table_context *smu_table = &smu->smu_table; 871 struct smu_table *tables = smu_table->tables; 872 struct smu_table *driver_table = &(smu_table->driver_table); 873 874 if (tables[SMU_TABLE_PMSTATUSLOG].mc_address) 875 amdgpu_bo_free_kernel(&tables[SMU_TABLE_PMSTATUSLOG].bo, 876 &tables[SMU_TABLE_PMSTATUSLOG].mc_address, 877 &tables[SMU_TABLE_PMSTATUSLOG].cpu_addr); 878 879 amdgpu_bo_free_kernel(&driver_table->bo, 880 &driver_table->mc_address, 881 &driver_table->cpu_addr); 882 883 return 0; 884 } 885 886 /** 887 * smu_alloc_memory_pool - allocate memory pool in the system memory 888 * 889 * @smu: amdgpu_device pointer 890 * 891 * This memory pool will be used for SMC use and msg SetSystemVirtualDramAddr 892 * and DramLogSetDramAddr can notify it changed. 893 * 894 * Returns 0 on success, error on failure. 895 */ 896 static int smu_alloc_memory_pool(struct smu_context *smu) 897 { 898 struct amdgpu_device *adev = smu->adev; 899 struct smu_table_context *smu_table = &smu->smu_table; 900 struct smu_table *memory_pool = &smu_table->memory_pool; 901 uint64_t pool_size = smu->pool_size; 902 int ret = 0; 903 904 if (pool_size == SMU_MEMORY_POOL_SIZE_ZERO) 905 return ret; 906 907 memory_pool->size = pool_size; 908 memory_pool->align = PAGE_SIZE; 909 memory_pool->domain = AMDGPU_GEM_DOMAIN_GTT; 910 911 switch (pool_size) { 912 case SMU_MEMORY_POOL_SIZE_256_MB: 913 case SMU_MEMORY_POOL_SIZE_512_MB: 914 case SMU_MEMORY_POOL_SIZE_1_GB: 915 case SMU_MEMORY_POOL_SIZE_2_GB: 916 ret = amdgpu_bo_create_kernel(adev, 917 memory_pool->size, 918 memory_pool->align, 919 memory_pool->domain, 920 &memory_pool->bo, 921 &memory_pool->mc_address, 922 &memory_pool->cpu_addr); 923 if (ret) 924 dev_err(adev->dev, "VRAM allocation for dramlog failed!\n"); 925 break; 926 default: 927 break; 928 } 929 930 return ret; 931 } 932 933 static int smu_free_memory_pool(struct smu_context *smu) 934 { 935 struct smu_table_context *smu_table = &smu->smu_table; 936 struct smu_table *memory_pool = &smu_table->memory_pool; 937 938 if (memory_pool->size == SMU_MEMORY_POOL_SIZE_ZERO) 939 return 0; 940 941 amdgpu_bo_free_kernel(&memory_pool->bo, 942 &memory_pool->mc_address, 943 &memory_pool->cpu_addr); 944 945 memset(memory_pool, 0, sizeof(struct smu_table)); 946 947 return 0; 948 } 949 950 static int smu_alloc_dummy_read_table(struct smu_context *smu) 951 { 952 struct smu_table_context *smu_table = &smu->smu_table; 953 struct smu_table *dummy_read_1_table = 954 &smu_table->dummy_read_1_table; 955 struct amdgpu_device *adev = smu->adev; 956 int ret = 0; 957 958 if (!dummy_read_1_table->size) 959 return 0; 960 961 ret = amdgpu_bo_create_kernel(adev, 962 dummy_read_1_table->size, 963 dummy_read_1_table->align, 964 dummy_read_1_table->domain, 965 &dummy_read_1_table->bo, 966 &dummy_read_1_table->mc_address, 967 &dummy_read_1_table->cpu_addr); 968 if (ret) 969 dev_err(adev->dev, "VRAM allocation for dummy read table failed!\n"); 970 971 return ret; 972 } 973 974 static void smu_free_dummy_read_table(struct smu_context *smu) 975 { 976 struct smu_table_context *smu_table = &smu->smu_table; 977 struct smu_table *dummy_read_1_table = 978 &smu_table->dummy_read_1_table; 979 980 981 amdgpu_bo_free_kernel(&dummy_read_1_table->bo, 982 &dummy_read_1_table->mc_address, 983 &dummy_read_1_table->cpu_addr); 984 985 memset(dummy_read_1_table, 0, sizeof(struct smu_table)); 986 } 987 988 static int smu_smc_table_sw_init(struct smu_context *smu) 989 { 990 int ret; 991 992 /** 993 * Create smu_table structure, and init smc tables such as 994 * TABLE_PPTABLE, TABLE_WATERMARKS, TABLE_SMU_METRICS, and etc. 995 */ 996 ret = smu_init_smc_tables(smu); 997 if (ret) { 998 dev_err(smu->adev->dev, "Failed to init smc tables!\n"); 999 return ret; 1000 } 1001 1002 /** 1003 * Create smu_power_context structure, and allocate smu_dpm_context and 1004 * context size to fill the smu_power_context data. 1005 */ 1006 ret = smu_init_power(smu); 1007 if (ret) { 1008 dev_err(smu->adev->dev, "Failed to init smu_init_power!\n"); 1009 return ret; 1010 } 1011 1012 /* 1013 * allocate vram bos to store smc table contents. 1014 */ 1015 ret = smu_init_fb_allocations(smu); 1016 if (ret) 1017 return ret; 1018 1019 ret = smu_alloc_memory_pool(smu); 1020 if (ret) 1021 return ret; 1022 1023 ret = smu_alloc_dummy_read_table(smu); 1024 if (ret) 1025 return ret; 1026 1027 ret = smu_i2c_init(smu); 1028 if (ret) 1029 return ret; 1030 1031 return 0; 1032 } 1033 1034 static int smu_smc_table_sw_fini(struct smu_context *smu) 1035 { 1036 int ret; 1037 1038 smu_i2c_fini(smu); 1039 1040 smu_free_dummy_read_table(smu); 1041 1042 ret = smu_free_memory_pool(smu); 1043 if (ret) 1044 return ret; 1045 1046 ret = smu_fini_fb_allocations(smu); 1047 if (ret) 1048 return ret; 1049 1050 ret = smu_fini_power(smu); 1051 if (ret) { 1052 dev_err(smu->adev->dev, "Failed to init smu_fini_power!\n"); 1053 return ret; 1054 } 1055 1056 ret = smu_fini_smc_tables(smu); 1057 if (ret) { 1058 dev_err(smu->adev->dev, "Failed to smu_fini_smc_tables!\n"); 1059 return ret; 1060 } 1061 1062 return 0; 1063 } 1064 1065 static void smu_throttling_logging_work_fn(struct work_struct *work) 1066 { 1067 struct smu_context *smu = container_of(work, struct smu_context, 1068 throttling_logging_work); 1069 1070 smu_log_thermal_throttling(smu); 1071 } 1072 1073 static void smu_interrupt_work_fn(struct work_struct *work) 1074 { 1075 struct smu_context *smu = container_of(work, struct smu_context, 1076 interrupt_work); 1077 1078 if (smu->ppt_funcs && smu->ppt_funcs->interrupt_work) 1079 smu->ppt_funcs->interrupt_work(smu); 1080 } 1081 1082 static void smu_swctf_delayed_work_handler(struct work_struct *work) 1083 { 1084 struct smu_context *smu = 1085 container_of(work, struct smu_context, swctf_delayed_work.work); 1086 struct smu_temperature_range *range = 1087 &smu->thermal_range; 1088 struct amdgpu_device *adev = smu->adev; 1089 uint32_t hotspot_tmp, size; 1090 1091 /* 1092 * If the hotspot temperature is confirmed as below SW CTF setting point 1093 * after the delay enforced, nothing will be done. 1094 * Otherwise, a graceful shutdown will be performed to prevent further damage. 1095 */ 1096 if (range->software_shutdown_temp && 1097 smu->ppt_funcs->read_sensor && 1098 !smu->ppt_funcs->read_sensor(smu, 1099 AMDGPU_PP_SENSOR_HOTSPOT_TEMP, 1100 &hotspot_tmp, 1101 &size) && 1102 hotspot_tmp / 1000 < range->software_shutdown_temp) 1103 return; 1104 1105 dev_emerg(adev->dev, "ERROR: GPU over temperature range(SW CTF) detected!\n"); 1106 dev_emerg(adev->dev, "ERROR: System is going to shutdown due to GPU SW CTF!\n"); 1107 orderly_poweroff(true); 1108 } 1109 1110 static int smu_sw_init(void *handle) 1111 { 1112 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1113 struct smu_context *smu = adev->powerplay.pp_handle; 1114 int ret; 1115 1116 smu->pool_size = adev->pm.smu_prv_buffer_size; 1117 smu->smu_feature.feature_num = SMU_FEATURE_MAX; 1118 bitmap_zero(smu->smu_feature.supported, SMU_FEATURE_MAX); 1119 bitmap_zero(smu->smu_feature.allowed, SMU_FEATURE_MAX); 1120 1121 INIT_WORK(&smu->throttling_logging_work, smu_throttling_logging_work_fn); 1122 INIT_WORK(&smu->interrupt_work, smu_interrupt_work_fn); 1123 atomic64_set(&smu->throttle_int_counter, 0); 1124 smu->watermarks_bitmap = 0; 1125 smu->power_profile_mode = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT; 1126 smu->default_power_profile_mode = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT; 1127 1128 atomic_set(&smu->smu_power.power_gate.vcn_gated, 1); 1129 atomic_set(&smu->smu_power.power_gate.jpeg_gated, 1); 1130 1131 smu->workload_mask = 1 << smu->workload_prority[PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT]; 1132 smu->workload_prority[PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT] = 0; 1133 smu->workload_prority[PP_SMC_POWER_PROFILE_FULLSCREEN3D] = 1; 1134 smu->workload_prority[PP_SMC_POWER_PROFILE_POWERSAVING] = 2; 1135 smu->workload_prority[PP_SMC_POWER_PROFILE_VIDEO] = 3; 1136 smu->workload_prority[PP_SMC_POWER_PROFILE_VR] = 4; 1137 smu->workload_prority[PP_SMC_POWER_PROFILE_COMPUTE] = 5; 1138 smu->workload_prority[PP_SMC_POWER_PROFILE_CUSTOM] = 6; 1139 1140 smu->workload_setting[0] = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT; 1141 smu->workload_setting[1] = PP_SMC_POWER_PROFILE_FULLSCREEN3D; 1142 smu->workload_setting[2] = PP_SMC_POWER_PROFILE_POWERSAVING; 1143 smu->workload_setting[3] = PP_SMC_POWER_PROFILE_VIDEO; 1144 smu->workload_setting[4] = PP_SMC_POWER_PROFILE_VR; 1145 smu->workload_setting[5] = PP_SMC_POWER_PROFILE_COMPUTE; 1146 smu->workload_setting[6] = PP_SMC_POWER_PROFILE_CUSTOM; 1147 smu->display_config = &adev->pm.pm_display_cfg; 1148 1149 smu->smu_dpm.dpm_level = AMD_DPM_FORCED_LEVEL_AUTO; 1150 smu->smu_dpm.requested_dpm_level = AMD_DPM_FORCED_LEVEL_AUTO; 1151 1152 INIT_DELAYED_WORK(&smu->swctf_delayed_work, 1153 smu_swctf_delayed_work_handler); 1154 1155 ret = smu_smc_table_sw_init(smu); 1156 if (ret) { 1157 dev_err(adev->dev, "Failed to sw init smc table!\n"); 1158 return ret; 1159 } 1160 1161 /* get boot_values from vbios to set revision, gfxclk, and etc. */ 1162 ret = smu_get_vbios_bootup_values(smu); 1163 if (ret) { 1164 dev_err(adev->dev, "Failed to get VBIOS boot clock values!\n"); 1165 return ret; 1166 } 1167 1168 ret = smu_init_pptable_microcode(smu); 1169 if (ret) { 1170 dev_err(adev->dev, "Failed to setup pptable firmware!\n"); 1171 return ret; 1172 } 1173 1174 ret = smu_register_irq_handler(smu); 1175 if (ret) { 1176 dev_err(adev->dev, "Failed to register smc irq handler!\n"); 1177 return ret; 1178 } 1179 1180 /* If there is no way to query fan control mode, fan control is not supported */ 1181 if (!smu->ppt_funcs->get_fan_control_mode) 1182 smu->adev->pm.no_fan = true; 1183 1184 return 0; 1185 } 1186 1187 static int smu_sw_fini(void *handle) 1188 { 1189 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1190 struct smu_context *smu = adev->powerplay.pp_handle; 1191 int ret; 1192 1193 ret = smu_smc_table_sw_fini(smu); 1194 if (ret) { 1195 dev_err(adev->dev, "Failed to sw fini smc table!\n"); 1196 return ret; 1197 } 1198 1199 smu_fini_microcode(smu); 1200 1201 return 0; 1202 } 1203 1204 static int smu_get_thermal_temperature_range(struct smu_context *smu) 1205 { 1206 struct amdgpu_device *adev = smu->adev; 1207 struct smu_temperature_range *range = 1208 &smu->thermal_range; 1209 int ret = 0; 1210 1211 if (!smu->ppt_funcs->get_thermal_temperature_range) 1212 return 0; 1213 1214 ret = smu->ppt_funcs->get_thermal_temperature_range(smu, range); 1215 if (ret) 1216 return ret; 1217 1218 adev->pm.dpm.thermal.min_temp = range->min; 1219 adev->pm.dpm.thermal.max_temp = range->max; 1220 adev->pm.dpm.thermal.max_edge_emergency_temp = range->edge_emergency_max; 1221 adev->pm.dpm.thermal.min_hotspot_temp = range->hotspot_min; 1222 adev->pm.dpm.thermal.max_hotspot_crit_temp = range->hotspot_crit_max; 1223 adev->pm.dpm.thermal.max_hotspot_emergency_temp = range->hotspot_emergency_max; 1224 adev->pm.dpm.thermal.min_mem_temp = range->mem_min; 1225 adev->pm.dpm.thermal.max_mem_crit_temp = range->mem_crit_max; 1226 adev->pm.dpm.thermal.max_mem_emergency_temp = range->mem_emergency_max; 1227 1228 return ret; 1229 } 1230 1231 static int smu_smc_hw_setup(struct smu_context *smu) 1232 { 1233 struct smu_feature *feature = &smu->smu_feature; 1234 struct amdgpu_device *adev = smu->adev; 1235 uint8_t pcie_gen = 0, pcie_width = 0; 1236 uint64_t features_supported; 1237 int ret = 0; 1238 1239 switch (adev->ip_versions[MP1_HWIP][0]) { 1240 case IP_VERSION(11, 0, 7): 1241 case IP_VERSION(11, 0, 11): 1242 case IP_VERSION(11, 5, 0): 1243 case IP_VERSION(11, 0, 12): 1244 if (adev->in_suspend && smu_is_dpm_running(smu)) { 1245 dev_info(adev->dev, "dpm has been enabled\n"); 1246 ret = smu_system_features_control(smu, true); 1247 if (ret) 1248 dev_err(adev->dev, "Failed system features control!\n"); 1249 return ret; 1250 } 1251 break; 1252 default: 1253 break; 1254 } 1255 1256 ret = smu_init_display_count(smu, 0); 1257 if (ret) { 1258 dev_info(adev->dev, "Failed to pre-set display count as 0!\n"); 1259 return ret; 1260 } 1261 1262 ret = smu_set_driver_table_location(smu); 1263 if (ret) { 1264 dev_err(adev->dev, "Failed to SetDriverDramAddr!\n"); 1265 return ret; 1266 } 1267 1268 /* 1269 * Set PMSTATUSLOG table bo address with SetToolsDramAddr MSG for tools. 1270 */ 1271 ret = smu_set_tool_table_location(smu); 1272 if (ret) { 1273 dev_err(adev->dev, "Failed to SetToolsDramAddr!\n"); 1274 return ret; 1275 } 1276 1277 /* 1278 * Use msg SetSystemVirtualDramAddr and DramLogSetDramAddr can notify 1279 * pool location. 1280 */ 1281 ret = smu_notify_memory_pool_location(smu); 1282 if (ret) { 1283 dev_err(adev->dev, "Failed to SetDramLogDramAddr!\n"); 1284 return ret; 1285 } 1286 1287 /* 1288 * It is assumed the pptable used before runpm is same as 1289 * the one used afterwards. Thus, we can reuse the stored 1290 * copy and do not need to resetup the pptable again. 1291 */ 1292 if (!adev->in_runpm) { 1293 ret = smu_setup_pptable(smu); 1294 if (ret) { 1295 dev_err(adev->dev, "Failed to setup pptable!\n"); 1296 return ret; 1297 } 1298 } 1299 1300 /* smu_dump_pptable(smu); */ 1301 1302 /* 1303 * With SCPM enabled, PSP is responsible for the PPTable transferring 1304 * (to SMU). Driver involvement is not needed and permitted. 1305 */ 1306 if (!adev->scpm_enabled) { 1307 /* 1308 * Copy pptable bo in the vram to smc with SMU MSGs such as 1309 * SetDriverDramAddr and TransferTableDram2Smu. 1310 */ 1311 ret = smu_write_pptable(smu); 1312 if (ret) { 1313 dev_err(adev->dev, "Failed to transfer pptable to SMC!\n"); 1314 return ret; 1315 } 1316 } 1317 1318 /* issue Run*Btc msg */ 1319 ret = smu_run_btc(smu); 1320 if (ret) 1321 return ret; 1322 1323 /* 1324 * With SCPM enabled, these actions(and relevant messages) are 1325 * not needed and permitted. 1326 */ 1327 if (!adev->scpm_enabled) { 1328 ret = smu_feature_set_allowed_mask(smu); 1329 if (ret) { 1330 dev_err(adev->dev, "Failed to set driver allowed features mask!\n"); 1331 return ret; 1332 } 1333 } 1334 1335 ret = smu_system_features_control(smu, true); 1336 if (ret) { 1337 dev_err(adev->dev, "Failed to enable requested dpm features!\n"); 1338 return ret; 1339 } 1340 1341 ret = smu_feature_get_enabled_mask(smu, &features_supported); 1342 if (ret) { 1343 dev_err(adev->dev, "Failed to retrieve supported dpm features!\n"); 1344 return ret; 1345 } 1346 bitmap_copy(feature->supported, 1347 (unsigned long *)&features_supported, 1348 feature->feature_num); 1349 1350 if (!smu_is_dpm_running(smu)) 1351 dev_info(adev->dev, "dpm has been disabled\n"); 1352 1353 /* 1354 * Set initialized values (get from vbios) to dpm tables context such as 1355 * gfxclk, memclk, dcefclk, and etc. And enable the DPM feature for each 1356 * type of clks. 1357 */ 1358 ret = smu_set_default_dpm_table(smu); 1359 if (ret) { 1360 dev_err(adev->dev, "Failed to setup default dpm clock tables!\n"); 1361 return ret; 1362 } 1363 1364 if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN4) 1365 pcie_gen = 3; 1366 else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3) 1367 pcie_gen = 2; 1368 else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2) 1369 pcie_gen = 1; 1370 else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1) 1371 pcie_gen = 0; 1372 1373 /* Bit 31:16: LCLK DPM level. 0 is DPM0, and 1 is DPM1 1374 * Bit 15:8: PCIE GEN, 0 to 3 corresponds to GEN1 to GEN4 1375 * Bit 7:0: PCIE lane width, 1 to 7 corresponds is x1 to x32 1376 */ 1377 if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X16) 1378 pcie_width = 6; 1379 else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X12) 1380 pcie_width = 5; 1381 else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X8) 1382 pcie_width = 4; 1383 else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X4) 1384 pcie_width = 3; 1385 else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X2) 1386 pcie_width = 2; 1387 else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X1) 1388 pcie_width = 1; 1389 ret = smu_update_pcie_parameters(smu, pcie_gen, pcie_width); 1390 if (ret) { 1391 dev_err(adev->dev, "Attempt to override pcie params failed!\n"); 1392 return ret; 1393 } 1394 1395 ret = smu_get_thermal_temperature_range(smu); 1396 if (ret) { 1397 dev_err(adev->dev, "Failed to get thermal temperature ranges!\n"); 1398 return ret; 1399 } 1400 1401 ret = smu_enable_thermal_alert(smu); 1402 if (ret) { 1403 dev_err(adev->dev, "Failed to enable thermal alert!\n"); 1404 return ret; 1405 } 1406 1407 ret = smu_notify_display_change(smu); 1408 if (ret) { 1409 dev_err(adev->dev, "Failed to notify display change!\n"); 1410 return ret; 1411 } 1412 1413 /* 1414 * Set min deep sleep dce fclk with bootup value from vbios via 1415 * SetMinDeepSleepDcefclk MSG. 1416 */ 1417 ret = smu_set_min_dcef_deep_sleep(smu, 1418 smu->smu_table.boot_values.dcefclk / 100); 1419 1420 return ret; 1421 } 1422 1423 static int smu_start_smc_engine(struct smu_context *smu) 1424 { 1425 struct amdgpu_device *adev = smu->adev; 1426 int ret = 0; 1427 1428 if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) { 1429 if (adev->ip_versions[MP1_HWIP][0] < IP_VERSION(11, 0, 0)) { 1430 if (smu->ppt_funcs->load_microcode) { 1431 ret = smu->ppt_funcs->load_microcode(smu); 1432 if (ret) 1433 return ret; 1434 } 1435 } 1436 } 1437 1438 if (smu->ppt_funcs->check_fw_status) { 1439 ret = smu->ppt_funcs->check_fw_status(smu); 1440 if (ret) { 1441 dev_err(adev->dev, "SMC is not ready\n"); 1442 return ret; 1443 } 1444 } 1445 1446 /* 1447 * Send msg GetDriverIfVersion to check if the return value is equal 1448 * with DRIVER_IF_VERSION of smc header. 1449 */ 1450 ret = smu_check_fw_version(smu); 1451 if (ret) 1452 return ret; 1453 1454 return ret; 1455 } 1456 1457 static int smu_hw_init(void *handle) 1458 { 1459 int ret; 1460 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1461 struct smu_context *smu = adev->powerplay.pp_handle; 1462 1463 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev)) { 1464 smu->pm_enabled = false; 1465 return 0; 1466 } 1467 1468 ret = smu_start_smc_engine(smu); 1469 if (ret) { 1470 dev_err(adev->dev, "SMC engine is not correctly up!\n"); 1471 return ret; 1472 } 1473 1474 if (smu->is_apu) { 1475 ret = smu_set_gfx_imu_enable(smu); 1476 if (ret) 1477 return ret; 1478 smu_dpm_set_vcn_enable(smu, true); 1479 smu_dpm_set_jpeg_enable(smu, true); 1480 smu_set_gfx_cgpg(smu, true); 1481 } 1482 1483 if (!smu->pm_enabled) 1484 return 0; 1485 1486 ret = smu_get_driver_allowed_feature_mask(smu); 1487 if (ret) 1488 return ret; 1489 1490 ret = smu_smc_hw_setup(smu); 1491 if (ret) { 1492 dev_err(adev->dev, "Failed to setup smc hw!\n"); 1493 return ret; 1494 } 1495 1496 /* 1497 * Move maximum sustainable clock retrieving here considering 1498 * 1. It is not needed on resume(from S3). 1499 * 2. DAL settings come between .hw_init and .late_init of SMU. 1500 * And DAL needs to know the maximum sustainable clocks. Thus 1501 * it cannot be put in .late_init(). 1502 */ 1503 ret = smu_init_max_sustainable_clocks(smu); 1504 if (ret) { 1505 dev_err(adev->dev, "Failed to init max sustainable clocks!\n"); 1506 return ret; 1507 } 1508 1509 adev->pm.dpm_enabled = true; 1510 1511 dev_info(adev->dev, "SMU is initialized successfully!\n"); 1512 1513 return 0; 1514 } 1515 1516 static int smu_disable_dpms(struct smu_context *smu) 1517 { 1518 struct amdgpu_device *adev = smu->adev; 1519 int ret = 0; 1520 bool use_baco = !smu->is_apu && 1521 ((amdgpu_in_reset(adev) && 1522 (amdgpu_asic_reset_method(adev) == AMD_RESET_METHOD_BACO)) || 1523 ((adev->in_runpm || adev->in_s4) && amdgpu_asic_supports_baco(adev))); 1524 1525 /* 1526 * For SMU 13.0.0 and 13.0.7, PMFW will handle the DPM features(disablement or others) 1527 * properly on suspend/reset/unload. Driver involvement may cause some unexpected issues. 1528 */ 1529 switch (adev->ip_versions[MP1_HWIP][0]) { 1530 case IP_VERSION(13, 0, 0): 1531 case IP_VERSION(13, 0, 7): 1532 case IP_VERSION(13, 0, 10): 1533 return 0; 1534 default: 1535 break; 1536 } 1537 1538 /* 1539 * For custom pptable uploading, skip the DPM features 1540 * disable process on Navi1x ASICs. 1541 * - As the gfx related features are under control of 1542 * RLC on those ASICs. RLC reinitialization will be 1543 * needed to reenable them. That will cost much more 1544 * efforts. 1545 * 1546 * - SMU firmware can handle the DPM reenablement 1547 * properly. 1548 */ 1549 if (smu->uploading_custom_pp_table) { 1550 switch (adev->ip_versions[MP1_HWIP][0]) { 1551 case IP_VERSION(11, 0, 0): 1552 case IP_VERSION(11, 0, 5): 1553 case IP_VERSION(11, 0, 9): 1554 case IP_VERSION(11, 0, 7): 1555 case IP_VERSION(11, 0, 11): 1556 case IP_VERSION(11, 5, 0): 1557 case IP_VERSION(11, 0, 12): 1558 case IP_VERSION(11, 0, 13): 1559 return 0; 1560 default: 1561 break; 1562 } 1563 } 1564 1565 /* 1566 * For Sienna_Cichlid, PMFW will handle the features disablement properly 1567 * on BACO in. Driver involvement is unnecessary. 1568 */ 1569 if (use_baco) { 1570 switch (adev->ip_versions[MP1_HWIP][0]) { 1571 case IP_VERSION(11, 0, 7): 1572 case IP_VERSION(11, 0, 0): 1573 case IP_VERSION(11, 0, 5): 1574 case IP_VERSION(11, 0, 9): 1575 case IP_VERSION(13, 0, 7): 1576 return 0; 1577 default: 1578 break; 1579 } 1580 } 1581 1582 /* 1583 * For SMU 13.0.4/11, PMFW will handle the features disablement properly 1584 * for gpu reset and S0i3 cases. Driver involvement is unnecessary. 1585 */ 1586 if (amdgpu_in_reset(adev) || adev->in_s0ix) { 1587 switch (adev->ip_versions[MP1_HWIP][0]) { 1588 case IP_VERSION(13, 0, 4): 1589 case IP_VERSION(13, 0, 11): 1590 return 0; 1591 default: 1592 break; 1593 } 1594 } 1595 1596 /* 1597 * For gpu reset, runpm and hibernation through BACO, 1598 * BACO feature has to be kept enabled. 1599 */ 1600 if (use_baco && smu_feature_is_enabled(smu, SMU_FEATURE_BACO_BIT)) { 1601 ret = smu_disable_all_features_with_exception(smu, 1602 SMU_FEATURE_BACO_BIT); 1603 if (ret) 1604 dev_err(adev->dev, "Failed to disable smu features except BACO.\n"); 1605 } else { 1606 /* DisableAllSmuFeatures message is not permitted with SCPM enabled */ 1607 if (!adev->scpm_enabled) { 1608 ret = smu_system_features_control(smu, false); 1609 if (ret) 1610 dev_err(adev->dev, "Failed to disable smu features.\n"); 1611 } 1612 } 1613 1614 if (adev->ip_versions[GC_HWIP][0] >= IP_VERSION(9, 4, 2) && 1615 !amdgpu_sriov_vf(adev) && adev->gfx.rlc.funcs->stop) 1616 adev->gfx.rlc.funcs->stop(adev); 1617 1618 return ret; 1619 } 1620 1621 static int smu_smc_hw_cleanup(struct smu_context *smu) 1622 { 1623 struct amdgpu_device *adev = smu->adev; 1624 int ret = 0; 1625 1626 cancel_work_sync(&smu->throttling_logging_work); 1627 cancel_work_sync(&smu->interrupt_work); 1628 1629 ret = smu_disable_thermal_alert(smu); 1630 if (ret) { 1631 dev_err(adev->dev, "Fail to disable thermal alert!\n"); 1632 return ret; 1633 } 1634 1635 cancel_delayed_work_sync(&smu->swctf_delayed_work); 1636 1637 ret = smu_disable_dpms(smu); 1638 if (ret) { 1639 dev_err(adev->dev, "Fail to disable dpm features!\n"); 1640 return ret; 1641 } 1642 1643 return 0; 1644 } 1645 1646 static int smu_hw_fini(void *handle) 1647 { 1648 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1649 struct smu_context *smu = adev->powerplay.pp_handle; 1650 1651 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev)) 1652 return 0; 1653 1654 smu_dpm_set_vcn_enable(smu, false); 1655 smu_dpm_set_jpeg_enable(smu, false); 1656 1657 adev->vcn.cur_state = AMD_PG_STATE_GATE; 1658 adev->jpeg.cur_state = AMD_PG_STATE_GATE; 1659 1660 if (!smu->pm_enabled) 1661 return 0; 1662 1663 adev->pm.dpm_enabled = false; 1664 1665 return smu_smc_hw_cleanup(smu); 1666 } 1667 1668 static void smu_late_fini(void *handle) 1669 { 1670 struct amdgpu_device *adev = handle; 1671 struct smu_context *smu = adev->powerplay.pp_handle; 1672 1673 kfree(smu); 1674 } 1675 1676 static int smu_reset(struct smu_context *smu) 1677 { 1678 struct amdgpu_device *adev = smu->adev; 1679 int ret; 1680 1681 ret = smu_hw_fini(adev); 1682 if (ret) 1683 return ret; 1684 1685 ret = smu_hw_init(adev); 1686 if (ret) 1687 return ret; 1688 1689 ret = smu_late_init(adev); 1690 if (ret) 1691 return ret; 1692 1693 return 0; 1694 } 1695 1696 static int smu_suspend(void *handle) 1697 { 1698 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1699 struct smu_context *smu = adev->powerplay.pp_handle; 1700 int ret; 1701 uint64_t count; 1702 1703 if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev)) 1704 return 0; 1705 1706 if (!smu->pm_enabled) 1707 return 0; 1708 1709 adev->pm.dpm_enabled = false; 1710 1711 ret = smu_smc_hw_cleanup(smu); 1712 if (ret) 1713 return ret; 1714 1715 smu->watermarks_bitmap &= ~(WATERMARKS_LOADED); 1716 1717 smu_set_gfx_cgpg(smu, false); 1718 1719 /* 1720 * pwfw resets entrycount when device is suspended, so we save the 1721 * last value to be used when we resume to keep it consistent 1722 */ 1723 ret = smu_get_entrycount_gfxoff(smu, &count); 1724 if (!ret) 1725 adev->gfx.gfx_off_entrycount = count; 1726 1727 return 0; 1728 } 1729 1730 static int smu_resume(void *handle) 1731 { 1732 int ret; 1733 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1734 struct smu_context *smu = adev->powerplay.pp_handle; 1735 1736 if (amdgpu_sriov_vf(adev)&& !amdgpu_sriov_is_pp_one_vf(adev)) 1737 return 0; 1738 1739 if (!smu->pm_enabled) 1740 return 0; 1741 1742 dev_info(adev->dev, "SMU is resuming...\n"); 1743 1744 ret = smu_start_smc_engine(smu); 1745 if (ret) { 1746 dev_err(adev->dev, "SMC engine is not correctly up!\n"); 1747 return ret; 1748 } 1749 1750 ret = smu_smc_hw_setup(smu); 1751 if (ret) { 1752 dev_err(adev->dev, "Failed to setup smc hw!\n"); 1753 return ret; 1754 } 1755 1756 ret = smu_set_gfx_imu_enable(smu); 1757 if (ret) 1758 return ret; 1759 1760 smu_set_gfx_cgpg(smu, true); 1761 1762 smu->disable_uclk_switch = 0; 1763 1764 adev->pm.dpm_enabled = true; 1765 1766 dev_info(adev->dev, "SMU is resumed successfully!\n"); 1767 1768 return 0; 1769 } 1770 1771 static int smu_display_configuration_change(void *handle, 1772 const struct amd_pp_display_configuration *display_config) 1773 { 1774 struct smu_context *smu = handle; 1775 1776 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 1777 return -EOPNOTSUPP; 1778 1779 if (!display_config) 1780 return -EINVAL; 1781 1782 smu_set_min_dcef_deep_sleep(smu, 1783 display_config->min_dcef_deep_sleep_set_clk / 100); 1784 1785 return 0; 1786 } 1787 1788 static int smu_set_clockgating_state(void *handle, 1789 enum amd_clockgating_state state) 1790 { 1791 return 0; 1792 } 1793 1794 static int smu_set_powergating_state(void *handle, 1795 enum amd_powergating_state state) 1796 { 1797 return 0; 1798 } 1799 1800 static int smu_enable_umd_pstate(void *handle, 1801 enum amd_dpm_forced_level *level) 1802 { 1803 uint32_t profile_mode_mask = AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD | 1804 AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK | 1805 AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK | 1806 AMD_DPM_FORCED_LEVEL_PROFILE_PEAK; 1807 1808 struct smu_context *smu = (struct smu_context*)(handle); 1809 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm); 1810 1811 if (!smu->is_apu && !smu_dpm_ctx->dpm_context) 1812 return -EINVAL; 1813 1814 if (!(smu_dpm_ctx->dpm_level & profile_mode_mask)) { 1815 /* enter umd pstate, save current level, disable gfx cg*/ 1816 if (*level & profile_mode_mask) { 1817 smu_dpm_ctx->saved_dpm_level = smu_dpm_ctx->dpm_level; 1818 smu_gpo_control(smu, false); 1819 smu_gfx_ulv_control(smu, false); 1820 smu_deep_sleep_control(smu, false); 1821 amdgpu_asic_update_umd_stable_pstate(smu->adev, true); 1822 } 1823 } else { 1824 /* exit umd pstate, restore level, enable gfx cg*/ 1825 if (!(*level & profile_mode_mask)) { 1826 if (*level == AMD_DPM_FORCED_LEVEL_PROFILE_EXIT) 1827 *level = smu_dpm_ctx->saved_dpm_level; 1828 amdgpu_asic_update_umd_stable_pstate(smu->adev, false); 1829 smu_deep_sleep_control(smu, true); 1830 smu_gfx_ulv_control(smu, true); 1831 smu_gpo_control(smu, true); 1832 } 1833 } 1834 1835 return 0; 1836 } 1837 1838 static int smu_bump_power_profile_mode(struct smu_context *smu, 1839 long *param, 1840 uint32_t param_size) 1841 { 1842 int ret = 0; 1843 1844 if (smu->ppt_funcs->set_power_profile_mode) 1845 ret = smu->ppt_funcs->set_power_profile_mode(smu, param, param_size); 1846 1847 return ret; 1848 } 1849 1850 static int smu_adjust_power_state_dynamic(struct smu_context *smu, 1851 enum amd_dpm_forced_level level, 1852 bool skip_display_settings) 1853 { 1854 int ret = 0; 1855 int index = 0; 1856 long workload; 1857 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm); 1858 1859 if (!skip_display_settings) { 1860 ret = smu_display_config_changed(smu); 1861 if (ret) { 1862 dev_err(smu->adev->dev, "Failed to change display config!"); 1863 return ret; 1864 } 1865 } 1866 1867 ret = smu_apply_clocks_adjust_rules(smu); 1868 if (ret) { 1869 dev_err(smu->adev->dev, "Failed to apply clocks adjust rules!"); 1870 return ret; 1871 } 1872 1873 if (!skip_display_settings) { 1874 ret = smu_notify_smc_display_config(smu); 1875 if (ret) { 1876 dev_err(smu->adev->dev, "Failed to notify smc display config!"); 1877 return ret; 1878 } 1879 } 1880 1881 if (smu_dpm_ctx->dpm_level != level) { 1882 ret = smu_asic_set_performance_level(smu, level); 1883 if (ret) { 1884 dev_err(smu->adev->dev, "Failed to set performance level!"); 1885 return ret; 1886 } 1887 1888 /* update the saved copy */ 1889 smu_dpm_ctx->dpm_level = level; 1890 } 1891 1892 if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL && 1893 smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM) { 1894 index = fls(smu->workload_mask); 1895 index = index > 0 && index <= WORKLOAD_POLICY_MAX ? index - 1 : 0; 1896 workload = smu->workload_setting[index]; 1897 1898 if (smu->power_profile_mode != workload) 1899 smu_bump_power_profile_mode(smu, &workload, 0); 1900 } 1901 1902 return ret; 1903 } 1904 1905 static int smu_handle_task(struct smu_context *smu, 1906 enum amd_dpm_forced_level level, 1907 enum amd_pp_task task_id) 1908 { 1909 int ret = 0; 1910 1911 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 1912 return -EOPNOTSUPP; 1913 1914 switch (task_id) { 1915 case AMD_PP_TASK_DISPLAY_CONFIG_CHANGE: 1916 ret = smu_pre_display_config_changed(smu); 1917 if (ret) 1918 return ret; 1919 ret = smu_adjust_power_state_dynamic(smu, level, false); 1920 break; 1921 case AMD_PP_TASK_COMPLETE_INIT: 1922 case AMD_PP_TASK_READJUST_POWER_STATE: 1923 ret = smu_adjust_power_state_dynamic(smu, level, true); 1924 break; 1925 default: 1926 break; 1927 } 1928 1929 return ret; 1930 } 1931 1932 static int smu_handle_dpm_task(void *handle, 1933 enum amd_pp_task task_id, 1934 enum amd_pm_state_type *user_state) 1935 { 1936 struct smu_context *smu = handle; 1937 struct smu_dpm_context *smu_dpm = &smu->smu_dpm; 1938 1939 return smu_handle_task(smu, smu_dpm->dpm_level, task_id); 1940 1941 } 1942 1943 static int smu_switch_power_profile(void *handle, 1944 enum PP_SMC_POWER_PROFILE type, 1945 bool en) 1946 { 1947 struct smu_context *smu = handle; 1948 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm); 1949 long workload; 1950 uint32_t index; 1951 1952 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 1953 return -EOPNOTSUPP; 1954 1955 if (!(type < PP_SMC_POWER_PROFILE_CUSTOM)) 1956 return -EINVAL; 1957 1958 if (!en) { 1959 smu->workload_mask &= ~(1 << smu->workload_prority[type]); 1960 index = fls(smu->workload_mask); 1961 index = index > 0 && index <= WORKLOAD_POLICY_MAX ? index - 1 : 0; 1962 workload = smu->workload_setting[index]; 1963 } else { 1964 smu->workload_mask |= (1 << smu->workload_prority[type]); 1965 index = fls(smu->workload_mask); 1966 index = index <= WORKLOAD_POLICY_MAX ? index - 1 : 0; 1967 workload = smu->workload_setting[index]; 1968 } 1969 1970 if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL && 1971 smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_PERF_DETERMINISM) 1972 smu_bump_power_profile_mode(smu, &workload, 0); 1973 1974 return 0; 1975 } 1976 1977 static enum amd_dpm_forced_level smu_get_performance_level(void *handle) 1978 { 1979 struct smu_context *smu = handle; 1980 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm); 1981 1982 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 1983 return -EOPNOTSUPP; 1984 1985 if (!smu->is_apu && !smu_dpm_ctx->dpm_context) 1986 return -EINVAL; 1987 1988 return smu_dpm_ctx->dpm_level; 1989 } 1990 1991 static int smu_force_performance_level(void *handle, 1992 enum amd_dpm_forced_level level) 1993 { 1994 struct smu_context *smu = handle; 1995 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm); 1996 int ret = 0; 1997 1998 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 1999 return -EOPNOTSUPP; 2000 2001 if (!smu->is_apu && !smu_dpm_ctx->dpm_context) 2002 return -EINVAL; 2003 2004 ret = smu_enable_umd_pstate(smu, &level); 2005 if (ret) 2006 return ret; 2007 2008 ret = smu_handle_task(smu, level, 2009 AMD_PP_TASK_READJUST_POWER_STATE); 2010 2011 /* reset user dpm clock state */ 2012 if (!ret && smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) { 2013 memset(smu->user_dpm_profile.clk_mask, 0, sizeof(smu->user_dpm_profile.clk_mask)); 2014 smu->user_dpm_profile.clk_dependency = 0; 2015 } 2016 2017 return ret; 2018 } 2019 2020 static int smu_set_display_count(void *handle, uint32_t count) 2021 { 2022 struct smu_context *smu = handle; 2023 2024 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2025 return -EOPNOTSUPP; 2026 2027 return smu_init_display_count(smu, count); 2028 } 2029 2030 static int smu_force_smuclk_levels(struct smu_context *smu, 2031 enum smu_clk_type clk_type, 2032 uint32_t mask) 2033 { 2034 struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm); 2035 int ret = 0; 2036 2037 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2038 return -EOPNOTSUPP; 2039 2040 if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) { 2041 dev_dbg(smu->adev->dev, "force clock level is for dpm manual mode only.\n"); 2042 return -EINVAL; 2043 } 2044 2045 if (smu->ppt_funcs && smu->ppt_funcs->force_clk_levels) { 2046 ret = smu->ppt_funcs->force_clk_levels(smu, clk_type, mask); 2047 if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) { 2048 smu->user_dpm_profile.clk_mask[clk_type] = mask; 2049 smu_set_user_clk_dependencies(smu, clk_type); 2050 } 2051 } 2052 2053 return ret; 2054 } 2055 2056 static int smu_force_ppclk_levels(void *handle, 2057 enum pp_clock_type type, 2058 uint32_t mask) 2059 { 2060 struct smu_context *smu = handle; 2061 enum smu_clk_type clk_type; 2062 2063 switch (type) { 2064 case PP_SCLK: 2065 clk_type = SMU_SCLK; break; 2066 case PP_MCLK: 2067 clk_type = SMU_MCLK; break; 2068 case PP_PCIE: 2069 clk_type = SMU_PCIE; break; 2070 case PP_SOCCLK: 2071 clk_type = SMU_SOCCLK; break; 2072 case PP_FCLK: 2073 clk_type = SMU_FCLK; break; 2074 case PP_DCEFCLK: 2075 clk_type = SMU_DCEFCLK; break; 2076 case PP_VCLK: 2077 clk_type = SMU_VCLK; break; 2078 case PP_VCLK1: 2079 clk_type = SMU_VCLK1; break; 2080 case PP_DCLK: 2081 clk_type = SMU_DCLK; break; 2082 case PP_DCLK1: 2083 clk_type = SMU_DCLK1; break; 2084 case OD_SCLK: 2085 clk_type = SMU_OD_SCLK; break; 2086 case OD_MCLK: 2087 clk_type = SMU_OD_MCLK; break; 2088 case OD_VDDC_CURVE: 2089 clk_type = SMU_OD_VDDC_CURVE; break; 2090 case OD_RANGE: 2091 clk_type = SMU_OD_RANGE; break; 2092 default: 2093 return -EINVAL; 2094 } 2095 2096 return smu_force_smuclk_levels(smu, clk_type, mask); 2097 } 2098 2099 /* 2100 * On system suspending or resetting, the dpm_enabled 2101 * flag will be cleared. So that those SMU services which 2102 * are not supported will be gated. 2103 * However, the mp1 state setting should still be granted 2104 * even if the dpm_enabled cleared. 2105 */ 2106 static int smu_set_mp1_state(void *handle, 2107 enum pp_mp1_state mp1_state) 2108 { 2109 struct smu_context *smu = handle; 2110 int ret = 0; 2111 2112 if (!smu->pm_enabled) 2113 return -EOPNOTSUPP; 2114 2115 if (smu->ppt_funcs && 2116 smu->ppt_funcs->set_mp1_state) 2117 ret = smu->ppt_funcs->set_mp1_state(smu, mp1_state); 2118 2119 return ret; 2120 } 2121 2122 static int smu_set_df_cstate(void *handle, 2123 enum pp_df_cstate state) 2124 { 2125 struct smu_context *smu = handle; 2126 int ret = 0; 2127 2128 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2129 return -EOPNOTSUPP; 2130 2131 if (!smu->ppt_funcs || !smu->ppt_funcs->set_df_cstate) 2132 return 0; 2133 2134 ret = smu->ppt_funcs->set_df_cstate(smu, state); 2135 if (ret) 2136 dev_err(smu->adev->dev, "[SetDfCstate] failed!\n"); 2137 2138 return ret; 2139 } 2140 2141 int smu_allow_xgmi_power_down(struct smu_context *smu, bool en) 2142 { 2143 int ret = 0; 2144 2145 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2146 return -EOPNOTSUPP; 2147 2148 if (!smu->ppt_funcs || !smu->ppt_funcs->allow_xgmi_power_down) 2149 return 0; 2150 2151 ret = smu->ppt_funcs->allow_xgmi_power_down(smu, en); 2152 if (ret) 2153 dev_err(smu->adev->dev, "[AllowXgmiPowerDown] failed!\n"); 2154 2155 return ret; 2156 } 2157 2158 int smu_write_watermarks_table(struct smu_context *smu) 2159 { 2160 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2161 return -EOPNOTSUPP; 2162 2163 return smu_set_watermarks_table(smu, NULL); 2164 } 2165 2166 static int smu_set_watermarks_for_clock_ranges(void *handle, 2167 struct pp_smu_wm_range_sets *clock_ranges) 2168 { 2169 struct smu_context *smu = handle; 2170 2171 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2172 return -EOPNOTSUPP; 2173 2174 if (smu->disable_watermark) 2175 return 0; 2176 2177 return smu_set_watermarks_table(smu, clock_ranges); 2178 } 2179 2180 int smu_set_ac_dc(struct smu_context *smu) 2181 { 2182 int ret = 0; 2183 2184 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2185 return -EOPNOTSUPP; 2186 2187 /* controlled by firmware */ 2188 if (smu->dc_controlled_by_gpio) 2189 return 0; 2190 2191 ret = smu_set_power_source(smu, 2192 smu->adev->pm.ac_power ? SMU_POWER_SOURCE_AC : 2193 SMU_POWER_SOURCE_DC); 2194 if (ret) 2195 dev_err(smu->adev->dev, "Failed to switch to %s mode!\n", 2196 smu->adev->pm.ac_power ? "AC" : "DC"); 2197 2198 return ret; 2199 } 2200 2201 const struct amd_ip_funcs smu_ip_funcs = { 2202 .name = "smu", 2203 .early_init = smu_early_init, 2204 .late_init = smu_late_init, 2205 .sw_init = smu_sw_init, 2206 .sw_fini = smu_sw_fini, 2207 .hw_init = smu_hw_init, 2208 .hw_fini = smu_hw_fini, 2209 .late_fini = smu_late_fini, 2210 .suspend = smu_suspend, 2211 .resume = smu_resume, 2212 .is_idle = NULL, 2213 .check_soft_reset = NULL, 2214 .wait_for_idle = NULL, 2215 .soft_reset = NULL, 2216 .set_clockgating_state = smu_set_clockgating_state, 2217 .set_powergating_state = smu_set_powergating_state, 2218 }; 2219 2220 const struct amdgpu_ip_block_version smu_v11_0_ip_block = { 2221 .type = AMD_IP_BLOCK_TYPE_SMC, 2222 .major = 11, 2223 .minor = 0, 2224 .rev = 0, 2225 .funcs = &smu_ip_funcs, 2226 }; 2227 2228 const struct amdgpu_ip_block_version smu_v12_0_ip_block = { 2229 .type = AMD_IP_BLOCK_TYPE_SMC, 2230 .major = 12, 2231 .minor = 0, 2232 .rev = 0, 2233 .funcs = &smu_ip_funcs, 2234 }; 2235 2236 const struct amdgpu_ip_block_version smu_v13_0_ip_block = { 2237 .type = AMD_IP_BLOCK_TYPE_SMC, 2238 .major = 13, 2239 .minor = 0, 2240 .rev = 0, 2241 .funcs = &smu_ip_funcs, 2242 }; 2243 2244 static int smu_load_microcode(void *handle) 2245 { 2246 struct smu_context *smu = handle; 2247 struct amdgpu_device *adev = smu->adev; 2248 int ret = 0; 2249 2250 if (!smu->pm_enabled) 2251 return -EOPNOTSUPP; 2252 2253 /* This should be used for non PSP loading */ 2254 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) 2255 return 0; 2256 2257 if (smu->ppt_funcs->load_microcode) { 2258 ret = smu->ppt_funcs->load_microcode(smu); 2259 if (ret) { 2260 dev_err(adev->dev, "Load microcode failed\n"); 2261 return ret; 2262 } 2263 } 2264 2265 if (smu->ppt_funcs->check_fw_status) { 2266 ret = smu->ppt_funcs->check_fw_status(smu); 2267 if (ret) { 2268 dev_err(adev->dev, "SMC is not ready\n"); 2269 return ret; 2270 } 2271 } 2272 2273 return ret; 2274 } 2275 2276 static int smu_set_gfx_cgpg(struct smu_context *smu, bool enabled) 2277 { 2278 int ret = 0; 2279 2280 if (smu->ppt_funcs->set_gfx_cgpg) 2281 ret = smu->ppt_funcs->set_gfx_cgpg(smu, enabled); 2282 2283 return ret; 2284 } 2285 2286 static int smu_set_fan_speed_rpm(void *handle, uint32_t speed) 2287 { 2288 struct smu_context *smu = handle; 2289 int ret = 0; 2290 2291 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2292 return -EOPNOTSUPP; 2293 2294 if (!smu->ppt_funcs->set_fan_speed_rpm) 2295 return -EOPNOTSUPP; 2296 2297 if (speed == U32_MAX) 2298 return -EINVAL; 2299 2300 ret = smu->ppt_funcs->set_fan_speed_rpm(smu, speed); 2301 if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) { 2302 smu->user_dpm_profile.flags |= SMU_CUSTOM_FAN_SPEED_RPM; 2303 smu->user_dpm_profile.fan_speed_rpm = speed; 2304 2305 /* Override custom PWM setting as they cannot co-exist */ 2306 smu->user_dpm_profile.flags &= ~SMU_CUSTOM_FAN_SPEED_PWM; 2307 smu->user_dpm_profile.fan_speed_pwm = 0; 2308 } 2309 2310 return ret; 2311 } 2312 2313 /** 2314 * smu_get_power_limit - Request one of the SMU Power Limits 2315 * 2316 * @handle: pointer to smu context 2317 * @limit: requested limit is written back to this variable 2318 * @pp_limit_level: &pp_power_limit_level which limit of the power to return 2319 * @pp_power_type: &pp_power_type type of power 2320 * Return: 0 on success, <0 on error 2321 * 2322 */ 2323 int smu_get_power_limit(void *handle, 2324 uint32_t *limit, 2325 enum pp_power_limit_level pp_limit_level, 2326 enum pp_power_type pp_power_type) 2327 { 2328 struct smu_context *smu = handle; 2329 struct amdgpu_device *adev = smu->adev; 2330 enum smu_ppt_limit_level limit_level; 2331 uint32_t limit_type; 2332 int ret = 0; 2333 2334 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2335 return -EOPNOTSUPP; 2336 2337 switch (pp_power_type) { 2338 case PP_PWR_TYPE_SUSTAINED: 2339 limit_type = SMU_DEFAULT_PPT_LIMIT; 2340 break; 2341 case PP_PWR_TYPE_FAST: 2342 limit_type = SMU_FAST_PPT_LIMIT; 2343 break; 2344 default: 2345 return -EOPNOTSUPP; 2346 break; 2347 } 2348 2349 switch (pp_limit_level) { 2350 case PP_PWR_LIMIT_CURRENT: 2351 limit_level = SMU_PPT_LIMIT_CURRENT; 2352 break; 2353 case PP_PWR_LIMIT_DEFAULT: 2354 limit_level = SMU_PPT_LIMIT_DEFAULT; 2355 break; 2356 case PP_PWR_LIMIT_MAX: 2357 limit_level = SMU_PPT_LIMIT_MAX; 2358 break; 2359 case PP_PWR_LIMIT_MIN: 2360 default: 2361 return -EOPNOTSUPP; 2362 break; 2363 } 2364 2365 if (limit_type != SMU_DEFAULT_PPT_LIMIT) { 2366 if (smu->ppt_funcs->get_ppt_limit) 2367 ret = smu->ppt_funcs->get_ppt_limit(smu, limit, limit_type, limit_level); 2368 } else { 2369 switch (limit_level) { 2370 case SMU_PPT_LIMIT_CURRENT: 2371 switch (adev->ip_versions[MP1_HWIP][0]) { 2372 case IP_VERSION(13, 0, 2): 2373 case IP_VERSION(11, 0, 7): 2374 case IP_VERSION(11, 0, 11): 2375 case IP_VERSION(11, 0, 12): 2376 case IP_VERSION(11, 0, 13): 2377 ret = smu_get_asic_power_limits(smu, 2378 &smu->current_power_limit, 2379 NULL, 2380 NULL); 2381 break; 2382 default: 2383 break; 2384 } 2385 *limit = smu->current_power_limit; 2386 break; 2387 case SMU_PPT_LIMIT_DEFAULT: 2388 *limit = smu->default_power_limit; 2389 break; 2390 case SMU_PPT_LIMIT_MAX: 2391 *limit = smu->max_power_limit; 2392 break; 2393 default: 2394 break; 2395 } 2396 } 2397 2398 return ret; 2399 } 2400 2401 static int smu_set_power_limit(void *handle, uint32_t limit) 2402 { 2403 struct smu_context *smu = handle; 2404 uint32_t limit_type = limit >> 24; 2405 int ret = 0; 2406 2407 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2408 return -EOPNOTSUPP; 2409 2410 limit &= (1<<24)-1; 2411 if (limit_type != SMU_DEFAULT_PPT_LIMIT) 2412 if (smu->ppt_funcs->set_power_limit) 2413 return smu->ppt_funcs->set_power_limit(smu, limit_type, limit); 2414 2415 if (limit > smu->max_power_limit) { 2416 dev_err(smu->adev->dev, 2417 "New power limit (%d) is over the max allowed %d\n", 2418 limit, smu->max_power_limit); 2419 return -EINVAL; 2420 } 2421 2422 if (!limit) 2423 limit = smu->current_power_limit; 2424 2425 if (smu->ppt_funcs->set_power_limit) { 2426 ret = smu->ppt_funcs->set_power_limit(smu, limit_type, limit); 2427 if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) 2428 smu->user_dpm_profile.power_limit = limit; 2429 } 2430 2431 return ret; 2432 } 2433 2434 static int smu_print_smuclk_levels(struct smu_context *smu, enum smu_clk_type clk_type, char *buf) 2435 { 2436 int ret = 0; 2437 2438 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2439 return -EOPNOTSUPP; 2440 2441 if (smu->ppt_funcs->print_clk_levels) 2442 ret = smu->ppt_funcs->print_clk_levels(smu, clk_type, buf); 2443 2444 return ret; 2445 } 2446 2447 static enum smu_clk_type smu_convert_to_smuclk(enum pp_clock_type type) 2448 { 2449 enum smu_clk_type clk_type; 2450 2451 switch (type) { 2452 case PP_SCLK: 2453 clk_type = SMU_SCLK; break; 2454 case PP_MCLK: 2455 clk_type = SMU_MCLK; break; 2456 case PP_PCIE: 2457 clk_type = SMU_PCIE; break; 2458 case PP_SOCCLK: 2459 clk_type = SMU_SOCCLK; break; 2460 case PP_FCLK: 2461 clk_type = SMU_FCLK; break; 2462 case PP_DCEFCLK: 2463 clk_type = SMU_DCEFCLK; break; 2464 case PP_VCLK: 2465 clk_type = SMU_VCLK; break; 2466 case PP_VCLK1: 2467 clk_type = SMU_VCLK1; break; 2468 case PP_DCLK: 2469 clk_type = SMU_DCLK; break; 2470 case PP_DCLK1: 2471 clk_type = SMU_DCLK1; break; 2472 case OD_SCLK: 2473 clk_type = SMU_OD_SCLK; break; 2474 case OD_MCLK: 2475 clk_type = SMU_OD_MCLK; break; 2476 case OD_VDDC_CURVE: 2477 clk_type = SMU_OD_VDDC_CURVE; break; 2478 case OD_RANGE: 2479 clk_type = SMU_OD_RANGE; break; 2480 case OD_VDDGFX_OFFSET: 2481 clk_type = SMU_OD_VDDGFX_OFFSET; break; 2482 case OD_CCLK: 2483 clk_type = SMU_OD_CCLK; break; 2484 default: 2485 clk_type = SMU_CLK_COUNT; break; 2486 } 2487 2488 return clk_type; 2489 } 2490 2491 static int smu_print_ppclk_levels(void *handle, 2492 enum pp_clock_type type, 2493 char *buf) 2494 { 2495 struct smu_context *smu = handle; 2496 enum smu_clk_type clk_type; 2497 2498 clk_type = smu_convert_to_smuclk(type); 2499 if (clk_type == SMU_CLK_COUNT) 2500 return -EINVAL; 2501 2502 return smu_print_smuclk_levels(smu, clk_type, buf); 2503 } 2504 2505 static int smu_emit_ppclk_levels(void *handle, enum pp_clock_type type, char *buf, int *offset) 2506 { 2507 struct smu_context *smu = handle; 2508 enum smu_clk_type clk_type; 2509 2510 clk_type = smu_convert_to_smuclk(type); 2511 if (clk_type == SMU_CLK_COUNT) 2512 return -EINVAL; 2513 2514 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2515 return -EOPNOTSUPP; 2516 2517 if (!smu->ppt_funcs->emit_clk_levels) 2518 return -ENOENT; 2519 2520 return smu->ppt_funcs->emit_clk_levels(smu, clk_type, buf, offset); 2521 2522 } 2523 2524 static int smu_od_edit_dpm_table(void *handle, 2525 enum PP_OD_DPM_TABLE_COMMAND type, 2526 long *input, uint32_t size) 2527 { 2528 struct smu_context *smu = handle; 2529 int ret = 0; 2530 2531 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2532 return -EOPNOTSUPP; 2533 2534 if (smu->ppt_funcs->od_edit_dpm_table) { 2535 ret = smu->ppt_funcs->od_edit_dpm_table(smu, type, input, size); 2536 } 2537 2538 return ret; 2539 } 2540 2541 static int smu_read_sensor(void *handle, 2542 int sensor, 2543 void *data, 2544 int *size_arg) 2545 { 2546 struct smu_context *smu = handle; 2547 struct smu_umd_pstate_table *pstate_table = 2548 &smu->pstate_table; 2549 int ret = 0; 2550 uint32_t *size, size_val; 2551 2552 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2553 return -EOPNOTSUPP; 2554 2555 if (!data || !size_arg) 2556 return -EINVAL; 2557 2558 size_val = *size_arg; 2559 size = &size_val; 2560 2561 if (smu->ppt_funcs->read_sensor) 2562 if (!smu->ppt_funcs->read_sensor(smu, sensor, data, size)) 2563 goto unlock; 2564 2565 switch (sensor) { 2566 case AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK: 2567 *((uint32_t *)data) = pstate_table->gfxclk_pstate.standard * 100; 2568 *size = 4; 2569 break; 2570 case AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK: 2571 *((uint32_t *)data) = pstate_table->uclk_pstate.standard * 100; 2572 *size = 4; 2573 break; 2574 case AMDGPU_PP_SENSOR_PEAK_PSTATE_SCLK: 2575 *((uint32_t *)data) = pstate_table->gfxclk_pstate.peak * 100; 2576 *size = 4; 2577 break; 2578 case AMDGPU_PP_SENSOR_PEAK_PSTATE_MCLK: 2579 *((uint32_t *)data) = pstate_table->uclk_pstate.peak * 100; 2580 *size = 4; 2581 break; 2582 case AMDGPU_PP_SENSOR_ENABLED_SMC_FEATURES_MASK: 2583 ret = smu_feature_get_enabled_mask(smu, (uint64_t *)data); 2584 *size = 8; 2585 break; 2586 case AMDGPU_PP_SENSOR_UVD_POWER: 2587 *(uint32_t *)data = smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UVD_BIT) ? 1 : 0; 2588 *size = 4; 2589 break; 2590 case AMDGPU_PP_SENSOR_VCE_POWER: 2591 *(uint32_t *)data = smu_feature_is_enabled(smu, SMU_FEATURE_DPM_VCE_BIT) ? 1 : 0; 2592 *size = 4; 2593 break; 2594 case AMDGPU_PP_SENSOR_VCN_POWER_STATE: 2595 *(uint32_t *)data = atomic_read(&smu->smu_power.power_gate.vcn_gated) ? 0 : 1; 2596 *size = 4; 2597 break; 2598 case AMDGPU_PP_SENSOR_MIN_FAN_RPM: 2599 *(uint32_t *)data = 0; 2600 *size = 4; 2601 break; 2602 default: 2603 *size = 0; 2604 ret = -EOPNOTSUPP; 2605 break; 2606 } 2607 2608 unlock: 2609 // assign uint32_t to int 2610 *size_arg = size_val; 2611 2612 return ret; 2613 } 2614 2615 static int smu_get_apu_thermal_limit(void *handle, uint32_t *limit) 2616 { 2617 int ret = -EINVAL; 2618 struct smu_context *smu = handle; 2619 2620 if (smu->ppt_funcs && smu->ppt_funcs->get_apu_thermal_limit) 2621 ret = smu->ppt_funcs->get_apu_thermal_limit(smu, limit); 2622 2623 return ret; 2624 } 2625 2626 static int smu_set_apu_thermal_limit(void *handle, uint32_t limit) 2627 { 2628 int ret = -EINVAL; 2629 struct smu_context *smu = handle; 2630 2631 if (smu->ppt_funcs && smu->ppt_funcs->set_apu_thermal_limit) 2632 ret = smu->ppt_funcs->set_apu_thermal_limit(smu, limit); 2633 2634 return ret; 2635 } 2636 2637 static int smu_get_power_profile_mode(void *handle, char *buf) 2638 { 2639 struct smu_context *smu = handle; 2640 2641 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled || 2642 !smu->ppt_funcs->get_power_profile_mode) 2643 return -EOPNOTSUPP; 2644 if (!buf) 2645 return -EINVAL; 2646 2647 return smu->ppt_funcs->get_power_profile_mode(smu, buf); 2648 } 2649 2650 static int smu_set_power_profile_mode(void *handle, 2651 long *param, 2652 uint32_t param_size) 2653 { 2654 struct smu_context *smu = handle; 2655 2656 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled || 2657 !smu->ppt_funcs->set_power_profile_mode) 2658 return -EOPNOTSUPP; 2659 2660 return smu_bump_power_profile_mode(smu, param, param_size); 2661 } 2662 2663 static int smu_get_fan_control_mode(void *handle, u32 *fan_mode) 2664 { 2665 struct smu_context *smu = handle; 2666 2667 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2668 return -EOPNOTSUPP; 2669 2670 if (!smu->ppt_funcs->get_fan_control_mode) 2671 return -EOPNOTSUPP; 2672 2673 if (!fan_mode) 2674 return -EINVAL; 2675 2676 *fan_mode = smu->ppt_funcs->get_fan_control_mode(smu); 2677 2678 return 0; 2679 } 2680 2681 static int smu_set_fan_control_mode(void *handle, u32 value) 2682 { 2683 struct smu_context *smu = handle; 2684 int ret = 0; 2685 2686 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2687 return -EOPNOTSUPP; 2688 2689 if (!smu->ppt_funcs->set_fan_control_mode) 2690 return -EOPNOTSUPP; 2691 2692 if (value == U32_MAX) 2693 return -EINVAL; 2694 2695 ret = smu->ppt_funcs->set_fan_control_mode(smu, value); 2696 if (ret) 2697 goto out; 2698 2699 if (!(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) { 2700 smu->user_dpm_profile.fan_mode = value; 2701 2702 /* reset user dpm fan speed */ 2703 if (value != AMD_FAN_CTRL_MANUAL) { 2704 smu->user_dpm_profile.fan_speed_pwm = 0; 2705 smu->user_dpm_profile.fan_speed_rpm = 0; 2706 smu->user_dpm_profile.flags &= ~(SMU_CUSTOM_FAN_SPEED_RPM | SMU_CUSTOM_FAN_SPEED_PWM); 2707 } 2708 } 2709 2710 out: 2711 return ret; 2712 } 2713 2714 static int smu_get_fan_speed_pwm(void *handle, u32 *speed) 2715 { 2716 struct smu_context *smu = handle; 2717 int ret = 0; 2718 2719 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2720 return -EOPNOTSUPP; 2721 2722 if (!smu->ppt_funcs->get_fan_speed_pwm) 2723 return -EOPNOTSUPP; 2724 2725 if (!speed) 2726 return -EINVAL; 2727 2728 ret = smu->ppt_funcs->get_fan_speed_pwm(smu, speed); 2729 2730 return ret; 2731 } 2732 2733 static int smu_set_fan_speed_pwm(void *handle, u32 speed) 2734 { 2735 struct smu_context *smu = handle; 2736 int ret = 0; 2737 2738 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2739 return -EOPNOTSUPP; 2740 2741 if (!smu->ppt_funcs->set_fan_speed_pwm) 2742 return -EOPNOTSUPP; 2743 2744 if (speed == U32_MAX) 2745 return -EINVAL; 2746 2747 ret = smu->ppt_funcs->set_fan_speed_pwm(smu, speed); 2748 if (!ret && !(smu->user_dpm_profile.flags & SMU_DPM_USER_PROFILE_RESTORE)) { 2749 smu->user_dpm_profile.flags |= SMU_CUSTOM_FAN_SPEED_PWM; 2750 smu->user_dpm_profile.fan_speed_pwm = speed; 2751 2752 /* Override custom RPM setting as they cannot co-exist */ 2753 smu->user_dpm_profile.flags &= ~SMU_CUSTOM_FAN_SPEED_RPM; 2754 smu->user_dpm_profile.fan_speed_rpm = 0; 2755 } 2756 2757 return ret; 2758 } 2759 2760 static int smu_get_fan_speed_rpm(void *handle, uint32_t *speed) 2761 { 2762 struct smu_context *smu = handle; 2763 int ret = 0; 2764 2765 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2766 return -EOPNOTSUPP; 2767 2768 if (!smu->ppt_funcs->get_fan_speed_rpm) 2769 return -EOPNOTSUPP; 2770 2771 if (!speed) 2772 return -EINVAL; 2773 2774 ret = smu->ppt_funcs->get_fan_speed_rpm(smu, speed); 2775 2776 return ret; 2777 } 2778 2779 static int smu_set_deep_sleep_dcefclk(void *handle, uint32_t clk) 2780 { 2781 struct smu_context *smu = handle; 2782 2783 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2784 return -EOPNOTSUPP; 2785 2786 return smu_set_min_dcef_deep_sleep(smu, clk); 2787 } 2788 2789 static int smu_get_clock_by_type_with_latency(void *handle, 2790 enum amd_pp_clock_type type, 2791 struct pp_clock_levels_with_latency *clocks) 2792 { 2793 struct smu_context *smu = handle; 2794 enum smu_clk_type clk_type; 2795 int ret = 0; 2796 2797 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2798 return -EOPNOTSUPP; 2799 2800 if (smu->ppt_funcs->get_clock_by_type_with_latency) { 2801 switch (type) { 2802 case amd_pp_sys_clock: 2803 clk_type = SMU_GFXCLK; 2804 break; 2805 case amd_pp_mem_clock: 2806 clk_type = SMU_MCLK; 2807 break; 2808 case amd_pp_dcef_clock: 2809 clk_type = SMU_DCEFCLK; 2810 break; 2811 case amd_pp_disp_clock: 2812 clk_type = SMU_DISPCLK; 2813 break; 2814 default: 2815 dev_err(smu->adev->dev, "Invalid clock type!\n"); 2816 return -EINVAL; 2817 } 2818 2819 ret = smu->ppt_funcs->get_clock_by_type_with_latency(smu, clk_type, clocks); 2820 } 2821 2822 return ret; 2823 } 2824 2825 static int smu_display_clock_voltage_request(void *handle, 2826 struct pp_display_clock_request *clock_req) 2827 { 2828 struct smu_context *smu = handle; 2829 int ret = 0; 2830 2831 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2832 return -EOPNOTSUPP; 2833 2834 if (smu->ppt_funcs->display_clock_voltage_request) 2835 ret = smu->ppt_funcs->display_clock_voltage_request(smu, clock_req); 2836 2837 return ret; 2838 } 2839 2840 2841 static int smu_display_disable_memory_clock_switch(void *handle, 2842 bool disable_memory_clock_switch) 2843 { 2844 struct smu_context *smu = handle; 2845 int ret = -EINVAL; 2846 2847 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2848 return -EOPNOTSUPP; 2849 2850 if (smu->ppt_funcs->display_disable_memory_clock_switch) 2851 ret = smu->ppt_funcs->display_disable_memory_clock_switch(smu, disable_memory_clock_switch); 2852 2853 return ret; 2854 } 2855 2856 static int smu_set_xgmi_pstate(void *handle, 2857 uint32_t pstate) 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->set_xgmi_pstate) 2866 ret = smu->ppt_funcs->set_xgmi_pstate(smu, pstate); 2867 2868 if (ret) 2869 dev_err(smu->adev->dev, "Failed to set XGMI pstate!\n"); 2870 2871 return ret; 2872 } 2873 2874 static int smu_get_baco_capability(void *handle, bool *cap) 2875 { 2876 struct smu_context *smu = handle; 2877 2878 *cap = false; 2879 2880 if (!smu->pm_enabled) 2881 return 0; 2882 2883 if (smu->ppt_funcs && smu->ppt_funcs->baco_is_support) 2884 *cap = smu->ppt_funcs->baco_is_support(smu); 2885 2886 return 0; 2887 } 2888 2889 static int smu_baco_set_state(void *handle, int state) 2890 { 2891 struct smu_context *smu = handle; 2892 int ret = 0; 2893 2894 if (!smu->pm_enabled) 2895 return -EOPNOTSUPP; 2896 2897 if (state == 0) { 2898 if (smu->ppt_funcs->baco_exit) 2899 ret = smu->ppt_funcs->baco_exit(smu); 2900 } else if (state == 1) { 2901 if (smu->ppt_funcs->baco_enter) 2902 ret = smu->ppt_funcs->baco_enter(smu); 2903 } else { 2904 return -EINVAL; 2905 } 2906 2907 if (ret) 2908 dev_err(smu->adev->dev, "Failed to %s BACO state!\n", 2909 (state)?"enter":"exit"); 2910 2911 return ret; 2912 } 2913 2914 bool smu_mode1_reset_is_support(struct smu_context *smu) 2915 { 2916 bool ret = false; 2917 2918 if (!smu->pm_enabled) 2919 return false; 2920 2921 if (smu->ppt_funcs && smu->ppt_funcs->mode1_reset_is_support) 2922 ret = smu->ppt_funcs->mode1_reset_is_support(smu); 2923 2924 return ret; 2925 } 2926 2927 bool smu_mode2_reset_is_support(struct smu_context *smu) 2928 { 2929 bool ret = false; 2930 2931 if (!smu->pm_enabled) 2932 return false; 2933 2934 if (smu->ppt_funcs && smu->ppt_funcs->mode2_reset_is_support) 2935 ret = smu->ppt_funcs->mode2_reset_is_support(smu); 2936 2937 return ret; 2938 } 2939 2940 int smu_mode1_reset(struct smu_context *smu) 2941 { 2942 int ret = 0; 2943 2944 if (!smu->pm_enabled) 2945 return -EOPNOTSUPP; 2946 2947 if (smu->ppt_funcs->mode1_reset) 2948 ret = smu->ppt_funcs->mode1_reset(smu); 2949 2950 return ret; 2951 } 2952 2953 static int smu_mode2_reset(void *handle) 2954 { 2955 struct smu_context *smu = handle; 2956 int ret = 0; 2957 2958 if (!smu->pm_enabled) 2959 return -EOPNOTSUPP; 2960 2961 if (smu->ppt_funcs->mode2_reset) 2962 ret = smu->ppt_funcs->mode2_reset(smu); 2963 2964 if (ret) 2965 dev_err(smu->adev->dev, "Mode2 reset failed!\n"); 2966 2967 return ret; 2968 } 2969 2970 static int smu_enable_gfx_features(void *handle) 2971 { 2972 struct smu_context *smu = handle; 2973 int ret = 0; 2974 2975 if (!smu->pm_enabled) 2976 return -EOPNOTSUPP; 2977 2978 if (smu->ppt_funcs->enable_gfx_features) 2979 ret = smu->ppt_funcs->enable_gfx_features(smu); 2980 2981 if (ret) 2982 dev_err(smu->adev->dev, "enable gfx features failed!\n"); 2983 2984 return ret; 2985 } 2986 2987 static int smu_get_max_sustainable_clocks_by_dc(void *handle, 2988 struct pp_smu_nv_clock_table *max_clocks) 2989 { 2990 struct smu_context *smu = handle; 2991 int ret = 0; 2992 2993 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 2994 return -EOPNOTSUPP; 2995 2996 if (smu->ppt_funcs->get_max_sustainable_clocks_by_dc) 2997 ret = smu->ppt_funcs->get_max_sustainable_clocks_by_dc(smu, max_clocks); 2998 2999 return ret; 3000 } 3001 3002 static int smu_get_uclk_dpm_states(void *handle, 3003 unsigned int *clock_values_in_khz, 3004 unsigned int *num_states) 3005 { 3006 struct smu_context *smu = handle; 3007 int ret = 0; 3008 3009 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 3010 return -EOPNOTSUPP; 3011 3012 if (smu->ppt_funcs->get_uclk_dpm_states) 3013 ret = smu->ppt_funcs->get_uclk_dpm_states(smu, clock_values_in_khz, num_states); 3014 3015 return ret; 3016 } 3017 3018 static enum amd_pm_state_type smu_get_current_power_state(void *handle) 3019 { 3020 struct smu_context *smu = handle; 3021 enum amd_pm_state_type pm_state = POWER_STATE_TYPE_DEFAULT; 3022 3023 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 3024 return -EOPNOTSUPP; 3025 3026 if (smu->ppt_funcs->get_current_power_state) 3027 pm_state = smu->ppt_funcs->get_current_power_state(smu); 3028 3029 return pm_state; 3030 } 3031 3032 static int smu_get_dpm_clock_table(void *handle, 3033 struct dpm_clocks *clock_table) 3034 { 3035 struct smu_context *smu = handle; 3036 int ret = 0; 3037 3038 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 3039 return -EOPNOTSUPP; 3040 3041 if (smu->ppt_funcs->get_dpm_clock_table) 3042 ret = smu->ppt_funcs->get_dpm_clock_table(smu, clock_table); 3043 3044 return ret; 3045 } 3046 3047 static ssize_t smu_sys_get_gpu_metrics(void *handle, void **table) 3048 { 3049 struct smu_context *smu = handle; 3050 3051 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 3052 return -EOPNOTSUPP; 3053 3054 if (!smu->ppt_funcs->get_gpu_metrics) 3055 return -EOPNOTSUPP; 3056 3057 return smu->ppt_funcs->get_gpu_metrics(smu, table); 3058 } 3059 3060 static int smu_enable_mgpu_fan_boost(void *handle) 3061 { 3062 struct smu_context *smu = handle; 3063 int ret = 0; 3064 3065 if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled) 3066 return -EOPNOTSUPP; 3067 3068 if (smu->ppt_funcs->enable_mgpu_fan_boost) 3069 ret = smu->ppt_funcs->enable_mgpu_fan_boost(smu); 3070 3071 return ret; 3072 } 3073 3074 static int smu_gfx_state_change_set(void *handle, 3075 uint32_t state) 3076 { 3077 struct smu_context *smu = handle; 3078 int ret = 0; 3079 3080 if (smu->ppt_funcs->gfx_state_change_set) 3081 ret = smu->ppt_funcs->gfx_state_change_set(smu, state); 3082 3083 return ret; 3084 } 3085 3086 int smu_handle_passthrough_sbr(struct smu_context *smu, bool enable) 3087 { 3088 int ret = 0; 3089 3090 if (smu->ppt_funcs->smu_handle_passthrough_sbr) 3091 ret = smu->ppt_funcs->smu_handle_passthrough_sbr(smu, enable); 3092 3093 return ret; 3094 } 3095 3096 int smu_get_ecc_info(struct smu_context *smu, void *umc_ecc) 3097 { 3098 int ret = -EOPNOTSUPP; 3099 3100 if (smu->ppt_funcs && 3101 smu->ppt_funcs->get_ecc_info) 3102 ret = smu->ppt_funcs->get_ecc_info(smu, umc_ecc); 3103 3104 return ret; 3105 3106 } 3107 3108 static int smu_get_prv_buffer_details(void *handle, void **addr, size_t *size) 3109 { 3110 struct smu_context *smu = handle; 3111 struct smu_table_context *smu_table = &smu->smu_table; 3112 struct smu_table *memory_pool = &smu_table->memory_pool; 3113 3114 if (!addr || !size) 3115 return -EINVAL; 3116 3117 *addr = NULL; 3118 *size = 0; 3119 if (memory_pool->bo) { 3120 *addr = memory_pool->cpu_addr; 3121 *size = memory_pool->size; 3122 } 3123 3124 return 0; 3125 } 3126 3127 static const struct amd_pm_funcs swsmu_pm_funcs = { 3128 /* export for sysfs */ 3129 .set_fan_control_mode = smu_set_fan_control_mode, 3130 .get_fan_control_mode = smu_get_fan_control_mode, 3131 .set_fan_speed_pwm = smu_set_fan_speed_pwm, 3132 .get_fan_speed_pwm = smu_get_fan_speed_pwm, 3133 .force_clock_level = smu_force_ppclk_levels, 3134 .print_clock_levels = smu_print_ppclk_levels, 3135 .emit_clock_levels = smu_emit_ppclk_levels, 3136 .force_performance_level = smu_force_performance_level, 3137 .read_sensor = smu_read_sensor, 3138 .get_apu_thermal_limit = smu_get_apu_thermal_limit, 3139 .set_apu_thermal_limit = smu_set_apu_thermal_limit, 3140 .get_performance_level = smu_get_performance_level, 3141 .get_current_power_state = smu_get_current_power_state, 3142 .get_fan_speed_rpm = smu_get_fan_speed_rpm, 3143 .set_fan_speed_rpm = smu_set_fan_speed_rpm, 3144 .get_pp_num_states = smu_get_power_num_states, 3145 .get_pp_table = smu_sys_get_pp_table, 3146 .set_pp_table = smu_sys_set_pp_table, 3147 .switch_power_profile = smu_switch_power_profile, 3148 /* export to amdgpu */ 3149 .dispatch_tasks = smu_handle_dpm_task, 3150 .load_firmware = smu_load_microcode, 3151 .set_powergating_by_smu = smu_dpm_set_power_gate, 3152 .set_power_limit = smu_set_power_limit, 3153 .get_power_limit = smu_get_power_limit, 3154 .get_power_profile_mode = smu_get_power_profile_mode, 3155 .set_power_profile_mode = smu_set_power_profile_mode, 3156 .odn_edit_dpm_table = smu_od_edit_dpm_table, 3157 .set_mp1_state = smu_set_mp1_state, 3158 .gfx_state_change_set = smu_gfx_state_change_set, 3159 /* export to DC */ 3160 .get_sclk = smu_get_sclk, 3161 .get_mclk = smu_get_mclk, 3162 .display_configuration_change = smu_display_configuration_change, 3163 .get_clock_by_type_with_latency = smu_get_clock_by_type_with_latency, 3164 .display_clock_voltage_request = smu_display_clock_voltage_request, 3165 .enable_mgpu_fan_boost = smu_enable_mgpu_fan_boost, 3166 .set_active_display_count = smu_set_display_count, 3167 .set_min_deep_sleep_dcefclk = smu_set_deep_sleep_dcefclk, 3168 .get_asic_baco_capability = smu_get_baco_capability, 3169 .set_asic_baco_state = smu_baco_set_state, 3170 .get_ppfeature_status = smu_sys_get_pp_feature_mask, 3171 .set_ppfeature_status = smu_sys_set_pp_feature_mask, 3172 .asic_reset_mode_2 = smu_mode2_reset, 3173 .asic_reset_enable_gfx_features = smu_enable_gfx_features, 3174 .set_df_cstate = smu_set_df_cstate, 3175 .set_xgmi_pstate = smu_set_xgmi_pstate, 3176 .get_gpu_metrics = smu_sys_get_gpu_metrics, 3177 .set_watermarks_for_clock_ranges = smu_set_watermarks_for_clock_ranges, 3178 .display_disable_memory_clock_switch = smu_display_disable_memory_clock_switch, 3179 .get_max_sustainable_clocks_by_dc = smu_get_max_sustainable_clocks_by_dc, 3180 .get_uclk_dpm_states = smu_get_uclk_dpm_states, 3181 .get_dpm_clock_table = smu_get_dpm_clock_table, 3182 .get_smu_prv_buf_details = smu_get_prv_buffer_details, 3183 }; 3184 3185 int smu_wait_for_event(struct smu_context *smu, enum smu_event_type event, 3186 uint64_t event_arg) 3187 { 3188 int ret = -EINVAL; 3189 3190 if (smu->ppt_funcs->wait_for_event) 3191 ret = smu->ppt_funcs->wait_for_event(smu, event, event_arg); 3192 3193 return ret; 3194 } 3195 3196 int smu_stb_collect_info(struct smu_context *smu, void *buf, uint32_t size) 3197 { 3198 3199 if (!smu->ppt_funcs->stb_collect_info || !smu->stb_context.enabled) 3200 return -EOPNOTSUPP; 3201 3202 /* Confirm the buffer allocated is of correct size */ 3203 if (size != smu->stb_context.stb_buf_size) 3204 return -EINVAL; 3205 3206 /* 3207 * No need to lock smu mutex as we access STB directly through MMIO 3208 * and not going through SMU messaging route (for now at least). 3209 * For registers access rely on implementation internal locking. 3210 */ 3211 return smu->ppt_funcs->stb_collect_info(smu, buf, size); 3212 } 3213 3214 #if defined(CONFIG_DEBUG_FS) 3215 3216 static int smu_stb_debugfs_open(struct inode *inode, struct file *filp) 3217 { 3218 struct amdgpu_device *adev = filp->f_inode->i_private; 3219 struct smu_context *smu = adev->powerplay.pp_handle; 3220 unsigned char *buf; 3221 int r; 3222 3223 buf = kvmalloc_array(smu->stb_context.stb_buf_size, sizeof(*buf), GFP_KERNEL); 3224 if (!buf) 3225 return -ENOMEM; 3226 3227 r = smu_stb_collect_info(smu, buf, smu->stb_context.stb_buf_size); 3228 if (r) 3229 goto out; 3230 3231 filp->private_data = buf; 3232 3233 return 0; 3234 3235 out: 3236 kvfree(buf); 3237 return r; 3238 } 3239 3240 static ssize_t smu_stb_debugfs_read(struct file *filp, char __user *buf, size_t size, 3241 loff_t *pos) 3242 { 3243 struct amdgpu_device *adev = filp->f_inode->i_private; 3244 struct smu_context *smu = adev->powerplay.pp_handle; 3245 3246 3247 if (!filp->private_data) 3248 return -EINVAL; 3249 3250 return simple_read_from_buffer(buf, 3251 size, 3252 pos, filp->private_data, 3253 smu->stb_context.stb_buf_size); 3254 } 3255 3256 static int smu_stb_debugfs_release(struct inode *inode, struct file *filp) 3257 { 3258 kvfree(filp->private_data); 3259 filp->private_data = NULL; 3260 3261 return 0; 3262 } 3263 3264 /* 3265 * We have to define not only read method but also 3266 * open and release because .read takes up to PAGE_SIZE 3267 * data each time so and so is invoked multiple times. 3268 * We allocate the STB buffer in .open and release it 3269 * in .release 3270 */ 3271 static const struct file_operations smu_stb_debugfs_fops = { 3272 .owner = THIS_MODULE, 3273 .open = smu_stb_debugfs_open, 3274 .read = smu_stb_debugfs_read, 3275 .release = smu_stb_debugfs_release, 3276 .llseek = default_llseek, 3277 }; 3278 3279 #endif 3280 3281 void amdgpu_smu_stb_debug_fs_init(struct amdgpu_device *adev) 3282 { 3283 #if defined(CONFIG_DEBUG_FS) 3284 3285 struct smu_context *smu = adev->powerplay.pp_handle; 3286 3287 if (!smu || (!smu->stb_context.stb_buf_size)) 3288 return; 3289 3290 debugfs_create_file_size("amdgpu_smu_stb_dump", 3291 S_IRUSR, 3292 adev_to_drm(adev)->primary->debugfs_root, 3293 adev, 3294 &smu_stb_debugfs_fops, 3295 smu->stb_context.stb_buf_size); 3296 #endif 3297 } 3298 3299 int smu_send_hbm_bad_pages_num(struct smu_context *smu, uint32_t size) 3300 { 3301 int ret = 0; 3302 3303 if (smu->ppt_funcs && smu->ppt_funcs->send_hbm_bad_pages_num) 3304 ret = smu->ppt_funcs->send_hbm_bad_pages_num(smu, size); 3305 3306 return ret; 3307 } 3308 3309 int smu_send_hbm_bad_channel_flag(struct smu_context *smu, uint32_t size) 3310 { 3311 int ret = 0; 3312 3313 if (smu->ppt_funcs && smu->ppt_funcs->send_hbm_bad_channel_flag) 3314 ret = smu->ppt_funcs->send_hbm_bad_channel_flag(smu, size); 3315 3316 return ret; 3317 } 3318