1 /* 2 * Copyright 2015 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 #include "pp_debug.h" 24 #include <linux/types.h> 25 #include <linux/kernel.h> 26 #include <linux/slab.h> 27 #include "atom-types.h" 28 #include "atombios.h" 29 #include "processpptables.h" 30 #include "cgs_common.h" 31 #include "smu/smu_8_0_d.h" 32 #include "smu8_fusion.h" 33 #include "smu/smu_8_0_sh_mask.h" 34 #include "smumgr.h" 35 #include "hwmgr.h" 36 #include "hardwaremanager.h" 37 #include "cz_ppsmc.h" 38 #include "smu8_hwmgr.h" 39 #include "power_state.h" 40 #include "pp_thermal.h" 41 42 #define ixSMUSVI_NB_CURRENTVID 0xD8230044 43 #define CURRENT_NB_VID_MASK 0xff000000 44 #define CURRENT_NB_VID__SHIFT 24 45 #define ixSMUSVI_GFX_CURRENTVID 0xD8230048 46 #define CURRENT_GFX_VID_MASK 0xff000000 47 #define CURRENT_GFX_VID__SHIFT 24 48 49 static const unsigned long smu8_magic = (unsigned long) PHM_Cz_Magic; 50 51 static struct smu8_power_state *cast_smu8_power_state(struct pp_hw_power_state *hw_ps) 52 { 53 if (smu8_magic != hw_ps->magic) 54 return NULL; 55 56 return (struct smu8_power_state *)hw_ps; 57 } 58 59 static const struct smu8_power_state *cast_const_smu8_power_state( 60 const struct pp_hw_power_state *hw_ps) 61 { 62 if (smu8_magic != hw_ps->magic) 63 return NULL; 64 65 return (struct smu8_power_state *)hw_ps; 66 } 67 68 static uint32_t smu8_get_eclk_level(struct pp_hwmgr *hwmgr, 69 uint32_t clock, uint32_t msg) 70 { 71 int i = 0; 72 struct phm_vce_clock_voltage_dependency_table *ptable = 73 hwmgr->dyn_state.vce_clock_voltage_dependency_table; 74 75 switch (msg) { 76 case PPSMC_MSG_SetEclkSoftMin: 77 case PPSMC_MSG_SetEclkHardMin: 78 for (i = 0; i < (int)ptable->count; i++) { 79 if (clock <= ptable->entries[i].ecclk) 80 break; 81 } 82 break; 83 84 case PPSMC_MSG_SetEclkSoftMax: 85 case PPSMC_MSG_SetEclkHardMax: 86 for (i = ptable->count - 1; i >= 0; i--) { 87 if (clock >= ptable->entries[i].ecclk) 88 break; 89 } 90 break; 91 92 default: 93 break; 94 } 95 96 return i; 97 } 98 99 static uint32_t smu8_get_sclk_level(struct pp_hwmgr *hwmgr, 100 uint32_t clock, uint32_t msg) 101 { 102 int i = 0; 103 struct phm_clock_voltage_dependency_table *table = 104 hwmgr->dyn_state.vddc_dependency_on_sclk; 105 106 switch (msg) { 107 case PPSMC_MSG_SetSclkSoftMin: 108 case PPSMC_MSG_SetSclkHardMin: 109 for (i = 0; i < (int)table->count; i++) { 110 if (clock <= table->entries[i].clk) 111 break; 112 } 113 break; 114 115 case PPSMC_MSG_SetSclkSoftMax: 116 case PPSMC_MSG_SetSclkHardMax: 117 for (i = table->count - 1; i >= 0; i--) { 118 if (clock >= table->entries[i].clk) 119 break; 120 } 121 break; 122 123 default: 124 break; 125 } 126 return i; 127 } 128 129 static uint32_t smu8_get_uvd_level(struct pp_hwmgr *hwmgr, 130 uint32_t clock, uint32_t msg) 131 { 132 int i = 0; 133 struct phm_uvd_clock_voltage_dependency_table *ptable = 134 hwmgr->dyn_state.uvd_clock_voltage_dependency_table; 135 136 switch (msg) { 137 case PPSMC_MSG_SetUvdSoftMin: 138 case PPSMC_MSG_SetUvdHardMin: 139 for (i = 0; i < (int)ptable->count; i++) { 140 if (clock <= ptable->entries[i].vclk) 141 break; 142 } 143 break; 144 145 case PPSMC_MSG_SetUvdSoftMax: 146 case PPSMC_MSG_SetUvdHardMax: 147 for (i = ptable->count - 1; i >= 0; i--) { 148 if (clock >= ptable->entries[i].vclk) 149 break; 150 } 151 break; 152 153 default: 154 break; 155 } 156 157 return i; 158 } 159 160 static uint32_t smu8_get_max_sclk_level(struct pp_hwmgr *hwmgr) 161 { 162 struct smu8_hwmgr *data = hwmgr->backend; 163 164 if (data->max_sclk_level == 0) { 165 smum_send_msg_to_smc(hwmgr, 166 PPSMC_MSG_GetMaxSclkLevel, 167 &data->max_sclk_level); 168 data->max_sclk_level += 1; 169 } 170 171 return data->max_sclk_level; 172 } 173 174 static int smu8_initialize_dpm_defaults(struct pp_hwmgr *hwmgr) 175 { 176 struct smu8_hwmgr *data = hwmgr->backend; 177 struct amdgpu_device *adev = hwmgr->adev; 178 179 data->gfx_ramp_step = 256*25/100; 180 data->gfx_ramp_delay = 1; /* by default, we delay 1us */ 181 182 data->mgcg_cgtt_local0 = 0x00000000; 183 data->mgcg_cgtt_local1 = 0x00000000; 184 data->clock_slow_down_freq = 25000; 185 data->skip_clock_slow_down = 1; 186 data->enable_nb_ps_policy = 1; /* disable until UNB is ready, Enabled */ 187 data->voltage_drop_in_dce_power_gating = 0; /* disable until fully verified */ 188 data->voting_rights_clients = 0x00C00033; 189 data->static_screen_threshold = 8; 190 data->ddi_power_gating_disabled = 0; 191 data->bapm_enabled = 1; 192 data->voltage_drop_threshold = 0; 193 data->gfx_power_gating_threshold = 500; 194 data->vce_slow_sclk_threshold = 20000; 195 data->dce_slow_sclk_threshold = 30000; 196 data->disable_driver_thermal_policy = 1; 197 data->disable_nb_ps3_in_battery = 0; 198 199 phm_cap_unset(hwmgr->platform_descriptor.platformCaps, 200 PHM_PlatformCaps_ABM); 201 202 phm_cap_set(hwmgr->platform_descriptor.platformCaps, 203 PHM_PlatformCaps_NonABMSupportInPPLib); 204 205 phm_cap_unset(hwmgr->platform_descriptor.platformCaps, 206 PHM_PlatformCaps_DynamicM3Arbiter); 207 208 data->override_dynamic_mgpg = 1; 209 210 phm_cap_set(hwmgr->platform_descriptor.platformCaps, 211 PHM_PlatformCaps_DynamicPatchPowerState); 212 213 data->thermal_auto_throttling_treshold = 0; 214 data->tdr_clock = 0; 215 data->disable_gfx_power_gating_in_uvd = 0; 216 217 phm_cap_set(hwmgr->platform_descriptor.platformCaps, 218 PHM_PlatformCaps_DynamicUVDState); 219 220 phm_cap_set(hwmgr->platform_descriptor.platformCaps, 221 PHM_PlatformCaps_UVDDPM); 222 phm_cap_set(hwmgr->platform_descriptor.platformCaps, 223 PHM_PlatformCaps_VCEDPM); 224 225 data->cc6_settings.cpu_cc6_disable = false; 226 data->cc6_settings.cpu_pstate_disable = false; 227 data->cc6_settings.nb_pstate_switch_disable = false; 228 data->cc6_settings.cpu_pstate_separation_time = 0; 229 230 phm_cap_set(hwmgr->platform_descriptor.platformCaps, 231 PHM_PlatformCaps_DisableVoltageIsland); 232 233 phm_cap_unset(hwmgr->platform_descriptor.platformCaps, 234 PHM_PlatformCaps_UVDPowerGating); 235 phm_cap_unset(hwmgr->platform_descriptor.platformCaps, 236 PHM_PlatformCaps_VCEPowerGating); 237 238 if (adev->pg_flags & AMD_PG_SUPPORT_UVD) 239 phm_cap_set(hwmgr->platform_descriptor.platformCaps, 240 PHM_PlatformCaps_UVDPowerGating); 241 if (adev->pg_flags & AMD_PG_SUPPORT_VCE) 242 phm_cap_set(hwmgr->platform_descriptor.platformCaps, 243 PHM_PlatformCaps_VCEPowerGating); 244 245 246 return 0; 247 } 248 249 /* convert form 8bit vid to real voltage in mV*4 */ 250 static uint32_t smu8_convert_8Bit_index_to_voltage( 251 struct pp_hwmgr *hwmgr, uint16_t voltage) 252 { 253 return 6200 - (voltage * 25); 254 } 255 256 static int smu8_construct_max_power_limits_table(struct pp_hwmgr *hwmgr, 257 struct phm_clock_and_voltage_limits *table) 258 { 259 struct smu8_hwmgr *data = hwmgr->backend; 260 struct smu8_sys_info *sys_info = &data->sys_info; 261 struct phm_clock_voltage_dependency_table *dep_table = 262 hwmgr->dyn_state.vddc_dependency_on_sclk; 263 264 if (dep_table->count > 0) { 265 table->sclk = dep_table->entries[dep_table->count-1].clk; 266 table->vddc = smu8_convert_8Bit_index_to_voltage(hwmgr, 267 (uint16_t)dep_table->entries[dep_table->count-1].v); 268 } 269 table->mclk = sys_info->nbp_memory_clock[0]; 270 return 0; 271 } 272 273 static int smu8_init_dynamic_state_adjustment_rule_settings( 274 struct pp_hwmgr *hwmgr, 275 ATOM_CLK_VOLT_CAPABILITY *disp_voltage_table) 276 { 277 struct phm_clock_voltage_dependency_table *table_clk_vlt; 278 279 table_clk_vlt = kzalloc(struct_size(table_clk_vlt, entries, 8), 280 GFP_KERNEL); 281 282 if (NULL == table_clk_vlt) { 283 pr_err("Can not allocate memory!\n"); 284 return -ENOMEM; 285 } 286 287 table_clk_vlt->count = 8; 288 table_clk_vlt->entries[0].clk = PP_DAL_POWERLEVEL_0; 289 table_clk_vlt->entries[0].v = 0; 290 table_clk_vlt->entries[1].clk = PP_DAL_POWERLEVEL_1; 291 table_clk_vlt->entries[1].v = 1; 292 table_clk_vlt->entries[2].clk = PP_DAL_POWERLEVEL_2; 293 table_clk_vlt->entries[2].v = 2; 294 table_clk_vlt->entries[3].clk = PP_DAL_POWERLEVEL_3; 295 table_clk_vlt->entries[3].v = 3; 296 table_clk_vlt->entries[4].clk = PP_DAL_POWERLEVEL_4; 297 table_clk_vlt->entries[4].v = 4; 298 table_clk_vlt->entries[5].clk = PP_DAL_POWERLEVEL_5; 299 table_clk_vlt->entries[5].v = 5; 300 table_clk_vlt->entries[6].clk = PP_DAL_POWERLEVEL_6; 301 table_clk_vlt->entries[6].v = 6; 302 table_clk_vlt->entries[7].clk = PP_DAL_POWERLEVEL_7; 303 table_clk_vlt->entries[7].v = 7; 304 hwmgr->dyn_state.vddc_dep_on_dal_pwrl = table_clk_vlt; 305 306 return 0; 307 } 308 309 static int smu8_get_system_info_data(struct pp_hwmgr *hwmgr) 310 { 311 struct smu8_hwmgr *data = hwmgr->backend; 312 ATOM_INTEGRATED_SYSTEM_INFO_V1_9 *info = NULL; 313 uint32_t i; 314 int result = 0; 315 uint8_t frev, crev; 316 uint16_t size; 317 318 info = (ATOM_INTEGRATED_SYSTEM_INFO_V1_9 *)smu_atom_get_data_table(hwmgr->adev, 319 GetIndexIntoMasterTable(DATA, IntegratedSystemInfo), 320 &size, &frev, &crev); 321 322 if (info == NULL) { 323 pr_err("Could not retrieve the Integrated System Info Table!\n"); 324 return -EINVAL; 325 } 326 327 if (crev != 9) { 328 pr_err("Unsupported IGP table: %d %d\n", frev, crev); 329 return -EINVAL; 330 } 331 332 data->sys_info.bootup_uma_clock = 333 le32_to_cpu(info->ulBootUpUMAClock); 334 335 data->sys_info.bootup_engine_clock = 336 le32_to_cpu(info->ulBootUpEngineClock); 337 338 data->sys_info.dentist_vco_freq = 339 le32_to_cpu(info->ulDentistVCOFreq); 340 341 data->sys_info.system_config = 342 le32_to_cpu(info->ulSystemConfig); 343 344 data->sys_info.bootup_nb_voltage_index = 345 le16_to_cpu(info->usBootUpNBVoltage); 346 347 data->sys_info.htc_hyst_lmt = 348 (info->ucHtcHystLmt == 0) ? 5 : info->ucHtcHystLmt; 349 350 data->sys_info.htc_tmp_lmt = 351 (info->ucHtcTmpLmt == 0) ? 203 : info->ucHtcTmpLmt; 352 353 if (data->sys_info.htc_tmp_lmt <= 354 data->sys_info.htc_hyst_lmt) { 355 pr_err("The htcTmpLmt should be larger than htcHystLmt.\n"); 356 return -EINVAL; 357 } 358 359 data->sys_info.nb_dpm_enable = 360 data->enable_nb_ps_policy && 361 (le32_to_cpu(info->ulSystemConfig) >> 3 & 0x1); 362 363 for (i = 0; i < SMU8_NUM_NBPSTATES; i++) { 364 if (i < SMU8_NUM_NBPMEMORYCLOCK) { 365 data->sys_info.nbp_memory_clock[i] = 366 le32_to_cpu(info->ulNbpStateMemclkFreq[i]); 367 } 368 data->sys_info.nbp_n_clock[i] = 369 le32_to_cpu(info->ulNbpStateNClkFreq[i]); 370 } 371 372 for (i = 0; i < MAX_DISPLAY_CLOCK_LEVEL; i++) { 373 data->sys_info.display_clock[i] = 374 le32_to_cpu(info->sDispClkVoltageMapping[i].ulMaximumSupportedCLK); 375 } 376 377 /* Here use 4 levels, make sure not exceed */ 378 for (i = 0; i < SMU8_NUM_NBPSTATES; i++) { 379 data->sys_info.nbp_voltage_index[i] = 380 le16_to_cpu(info->usNBPStateVoltage[i]); 381 } 382 383 if (!data->sys_info.nb_dpm_enable) { 384 for (i = 1; i < SMU8_NUM_NBPSTATES; i++) { 385 if (i < SMU8_NUM_NBPMEMORYCLOCK) { 386 data->sys_info.nbp_memory_clock[i] = 387 data->sys_info.nbp_memory_clock[0]; 388 } 389 data->sys_info.nbp_n_clock[i] = 390 data->sys_info.nbp_n_clock[0]; 391 data->sys_info.nbp_voltage_index[i] = 392 data->sys_info.nbp_voltage_index[0]; 393 } 394 } 395 396 if (le32_to_cpu(info->ulGPUCapInfo) & 397 SYS_INFO_GPUCAPS__ENABEL_DFS_BYPASS) { 398 phm_cap_set(hwmgr->platform_descriptor.platformCaps, 399 PHM_PlatformCaps_EnableDFSBypass); 400 } 401 402 data->sys_info.uma_channel_number = info->ucUMAChannelNumber; 403 404 smu8_construct_max_power_limits_table (hwmgr, 405 &hwmgr->dyn_state.max_clock_voltage_on_ac); 406 407 smu8_init_dynamic_state_adjustment_rule_settings(hwmgr, 408 &info->sDISPCLK_Voltage[0]); 409 410 return result; 411 } 412 413 static int smu8_construct_boot_state(struct pp_hwmgr *hwmgr) 414 { 415 struct smu8_hwmgr *data = hwmgr->backend; 416 417 data->boot_power_level.engineClock = 418 data->sys_info.bootup_engine_clock; 419 420 data->boot_power_level.vddcIndex = 421 (uint8_t)data->sys_info.bootup_nb_voltage_index; 422 423 data->boot_power_level.dsDividerIndex = 0; 424 data->boot_power_level.ssDividerIndex = 0; 425 data->boot_power_level.allowGnbSlow = 1; 426 data->boot_power_level.forceNBPstate = 0; 427 data->boot_power_level.hysteresis_up = 0; 428 data->boot_power_level.numSIMDToPowerDown = 0; 429 data->boot_power_level.display_wm = 0; 430 data->boot_power_level.vce_wm = 0; 431 432 return 0; 433 } 434 435 static int smu8_upload_pptable_to_smu(struct pp_hwmgr *hwmgr) 436 { 437 struct SMU8_Fusion_ClkTable *clock_table; 438 int ret; 439 uint32_t i; 440 void *table = NULL; 441 pp_atomctrl_clock_dividers_kong dividers; 442 443 struct phm_clock_voltage_dependency_table *vddc_table = 444 hwmgr->dyn_state.vddc_dependency_on_sclk; 445 struct phm_clock_voltage_dependency_table *vdd_gfx_table = 446 hwmgr->dyn_state.vdd_gfx_dependency_on_sclk; 447 struct phm_acp_clock_voltage_dependency_table *acp_table = 448 hwmgr->dyn_state.acp_clock_voltage_dependency_table; 449 struct phm_uvd_clock_voltage_dependency_table *uvd_table = 450 hwmgr->dyn_state.uvd_clock_voltage_dependency_table; 451 struct phm_vce_clock_voltage_dependency_table *vce_table = 452 hwmgr->dyn_state.vce_clock_voltage_dependency_table; 453 454 if (!hwmgr->need_pp_table_upload) 455 return 0; 456 457 ret = smum_download_powerplay_table(hwmgr, &table); 458 459 PP_ASSERT_WITH_CODE((0 == ret && NULL != table), 460 "Fail to get clock table from SMU!", return -EINVAL;); 461 462 clock_table = (struct SMU8_Fusion_ClkTable *)table; 463 464 /* patch clock table */ 465 PP_ASSERT_WITH_CODE((vddc_table->count <= SMU8_MAX_HARDWARE_POWERLEVELS), 466 "Dependency table entry exceeds max limit!", return -EINVAL;); 467 PP_ASSERT_WITH_CODE((vdd_gfx_table->count <= SMU8_MAX_HARDWARE_POWERLEVELS), 468 "Dependency table entry exceeds max limit!", return -EINVAL;); 469 PP_ASSERT_WITH_CODE((acp_table->count <= SMU8_MAX_HARDWARE_POWERLEVELS), 470 "Dependency table entry exceeds max limit!", return -EINVAL;); 471 PP_ASSERT_WITH_CODE((uvd_table->count <= SMU8_MAX_HARDWARE_POWERLEVELS), 472 "Dependency table entry exceeds max limit!", return -EINVAL;); 473 PP_ASSERT_WITH_CODE((vce_table->count <= SMU8_MAX_HARDWARE_POWERLEVELS), 474 "Dependency table entry exceeds max limit!", return -EINVAL;); 475 476 for (i = 0; i < SMU8_MAX_HARDWARE_POWERLEVELS; i++) { 477 478 /* vddc_sclk */ 479 clock_table->SclkBreakdownTable.ClkLevel[i].GnbVid = 480 (i < vddc_table->count) ? (uint8_t)vddc_table->entries[i].v : 0; 481 clock_table->SclkBreakdownTable.ClkLevel[i].Frequency = 482 (i < vddc_table->count) ? vddc_table->entries[i].clk : 0; 483 484 atomctrl_get_engine_pll_dividers_kong(hwmgr, 485 clock_table->SclkBreakdownTable.ClkLevel[i].Frequency, 486 ÷rs); 487 488 clock_table->SclkBreakdownTable.ClkLevel[i].DfsDid = 489 (uint8_t)dividers.pll_post_divider; 490 491 /* vddgfx_sclk */ 492 clock_table->SclkBreakdownTable.ClkLevel[i].GfxVid = 493 (i < vdd_gfx_table->count) ? (uint8_t)vdd_gfx_table->entries[i].v : 0; 494 495 /* acp breakdown */ 496 clock_table->AclkBreakdownTable.ClkLevel[i].GfxVid = 497 (i < acp_table->count) ? (uint8_t)acp_table->entries[i].v : 0; 498 clock_table->AclkBreakdownTable.ClkLevel[i].Frequency = 499 (i < acp_table->count) ? acp_table->entries[i].acpclk : 0; 500 501 atomctrl_get_engine_pll_dividers_kong(hwmgr, 502 clock_table->AclkBreakdownTable.ClkLevel[i].Frequency, 503 ÷rs); 504 505 clock_table->AclkBreakdownTable.ClkLevel[i].DfsDid = 506 (uint8_t)dividers.pll_post_divider; 507 508 509 /* uvd breakdown */ 510 clock_table->VclkBreakdownTable.ClkLevel[i].GfxVid = 511 (i < uvd_table->count) ? (uint8_t)uvd_table->entries[i].v : 0; 512 clock_table->VclkBreakdownTable.ClkLevel[i].Frequency = 513 (i < uvd_table->count) ? uvd_table->entries[i].vclk : 0; 514 515 atomctrl_get_engine_pll_dividers_kong(hwmgr, 516 clock_table->VclkBreakdownTable.ClkLevel[i].Frequency, 517 ÷rs); 518 519 clock_table->VclkBreakdownTable.ClkLevel[i].DfsDid = 520 (uint8_t)dividers.pll_post_divider; 521 522 clock_table->DclkBreakdownTable.ClkLevel[i].GfxVid = 523 (i < uvd_table->count) ? (uint8_t)uvd_table->entries[i].v : 0; 524 clock_table->DclkBreakdownTable.ClkLevel[i].Frequency = 525 (i < uvd_table->count) ? uvd_table->entries[i].dclk : 0; 526 527 atomctrl_get_engine_pll_dividers_kong(hwmgr, 528 clock_table->DclkBreakdownTable.ClkLevel[i].Frequency, 529 ÷rs); 530 531 clock_table->DclkBreakdownTable.ClkLevel[i].DfsDid = 532 (uint8_t)dividers.pll_post_divider; 533 534 /* vce breakdown */ 535 clock_table->EclkBreakdownTable.ClkLevel[i].GfxVid = 536 (i < vce_table->count) ? (uint8_t)vce_table->entries[i].v : 0; 537 clock_table->EclkBreakdownTable.ClkLevel[i].Frequency = 538 (i < vce_table->count) ? vce_table->entries[i].ecclk : 0; 539 540 541 atomctrl_get_engine_pll_dividers_kong(hwmgr, 542 clock_table->EclkBreakdownTable.ClkLevel[i].Frequency, 543 ÷rs); 544 545 clock_table->EclkBreakdownTable.ClkLevel[i].DfsDid = 546 (uint8_t)dividers.pll_post_divider; 547 548 } 549 ret = smum_upload_powerplay_table(hwmgr); 550 551 return ret; 552 } 553 554 static int smu8_init_sclk_limit(struct pp_hwmgr *hwmgr) 555 { 556 struct smu8_hwmgr *data = hwmgr->backend; 557 struct phm_clock_voltage_dependency_table *table = 558 hwmgr->dyn_state.vddc_dependency_on_sclk; 559 unsigned long clock = 0, level; 560 561 if (NULL == table || table->count <= 0) 562 return -EINVAL; 563 564 data->sclk_dpm.soft_min_clk = table->entries[0].clk; 565 data->sclk_dpm.hard_min_clk = table->entries[0].clk; 566 567 level = smu8_get_max_sclk_level(hwmgr) - 1; 568 569 if (level < table->count) 570 clock = table->entries[level].clk; 571 else 572 clock = table->entries[table->count - 1].clk; 573 574 data->sclk_dpm.soft_max_clk = clock; 575 data->sclk_dpm.hard_max_clk = clock; 576 577 return 0; 578 } 579 580 static int smu8_init_uvd_limit(struct pp_hwmgr *hwmgr) 581 { 582 struct smu8_hwmgr *data = hwmgr->backend; 583 struct phm_uvd_clock_voltage_dependency_table *table = 584 hwmgr->dyn_state.uvd_clock_voltage_dependency_table; 585 unsigned long clock = 0; 586 uint32_t level; 587 588 if (NULL == table || table->count <= 0) 589 return -EINVAL; 590 591 data->uvd_dpm.soft_min_clk = 0; 592 data->uvd_dpm.hard_min_clk = 0; 593 594 smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxUvdLevel, &level); 595 596 if (level < table->count) 597 clock = table->entries[level].vclk; 598 else 599 clock = table->entries[table->count - 1].vclk; 600 601 data->uvd_dpm.soft_max_clk = clock; 602 data->uvd_dpm.hard_max_clk = clock; 603 604 return 0; 605 } 606 607 static int smu8_init_vce_limit(struct pp_hwmgr *hwmgr) 608 { 609 struct smu8_hwmgr *data = hwmgr->backend; 610 struct phm_vce_clock_voltage_dependency_table *table = 611 hwmgr->dyn_state.vce_clock_voltage_dependency_table; 612 unsigned long clock = 0; 613 uint32_t level; 614 615 if (NULL == table || table->count <= 0) 616 return -EINVAL; 617 618 data->vce_dpm.soft_min_clk = 0; 619 data->vce_dpm.hard_min_clk = 0; 620 621 smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxEclkLevel, &level); 622 623 if (level < table->count) 624 clock = table->entries[level].ecclk; 625 else 626 clock = table->entries[table->count - 1].ecclk; 627 628 data->vce_dpm.soft_max_clk = clock; 629 data->vce_dpm.hard_max_clk = clock; 630 631 return 0; 632 } 633 634 static int smu8_init_acp_limit(struct pp_hwmgr *hwmgr) 635 { 636 struct smu8_hwmgr *data = hwmgr->backend; 637 struct phm_acp_clock_voltage_dependency_table *table = 638 hwmgr->dyn_state.acp_clock_voltage_dependency_table; 639 unsigned long clock = 0; 640 uint32_t level; 641 642 if (NULL == table || table->count <= 0) 643 return -EINVAL; 644 645 data->acp_dpm.soft_min_clk = 0; 646 data->acp_dpm.hard_min_clk = 0; 647 648 smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxAclkLevel, &level); 649 650 if (level < table->count) 651 clock = table->entries[level].acpclk; 652 else 653 clock = table->entries[table->count - 1].acpclk; 654 655 data->acp_dpm.soft_max_clk = clock; 656 data->acp_dpm.hard_max_clk = clock; 657 return 0; 658 } 659 660 static void smu8_init_power_gate_state(struct pp_hwmgr *hwmgr) 661 { 662 struct smu8_hwmgr *data = hwmgr->backend; 663 664 data->uvd_power_gated = false; 665 data->vce_power_gated = false; 666 data->samu_power_gated = false; 667 #ifdef CONFIG_DRM_AMD_ACP 668 data->acp_power_gated = false; 669 #else 670 smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ACPPowerOFF, NULL); 671 data->acp_power_gated = true; 672 #endif 673 674 } 675 676 static void smu8_init_sclk_threshold(struct pp_hwmgr *hwmgr) 677 { 678 struct smu8_hwmgr *data = hwmgr->backend; 679 680 data->low_sclk_interrupt_threshold = 0; 681 } 682 683 static int smu8_update_sclk_limit(struct pp_hwmgr *hwmgr) 684 { 685 struct smu8_hwmgr *data = hwmgr->backend; 686 struct phm_clock_voltage_dependency_table *table = 687 hwmgr->dyn_state.vddc_dependency_on_sclk; 688 689 unsigned long clock = 0; 690 unsigned long level; 691 unsigned long stable_pstate_sclk; 692 unsigned long percentage; 693 694 data->sclk_dpm.soft_min_clk = table->entries[0].clk; 695 level = smu8_get_max_sclk_level(hwmgr) - 1; 696 697 if (level < table->count) 698 data->sclk_dpm.soft_max_clk = table->entries[level].clk; 699 else 700 data->sclk_dpm.soft_max_clk = table->entries[table->count - 1].clk; 701 702 clock = hwmgr->display_config->min_core_set_clock; 703 if (clock == 0) 704 pr_debug("min_core_set_clock not set\n"); 705 706 if (data->sclk_dpm.hard_min_clk != clock) { 707 data->sclk_dpm.hard_min_clk = clock; 708 709 smum_send_msg_to_smc_with_parameter(hwmgr, 710 PPSMC_MSG_SetSclkHardMin, 711 smu8_get_sclk_level(hwmgr, 712 data->sclk_dpm.hard_min_clk, 713 PPSMC_MSG_SetSclkHardMin), 714 NULL); 715 } 716 717 clock = data->sclk_dpm.soft_min_clk; 718 719 /* update minimum clocks for Stable P-State feature */ 720 if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, 721 PHM_PlatformCaps_StablePState)) { 722 percentage = 75; 723 /*Sclk - calculate sclk value based on percentage and find FLOOR sclk from VddcDependencyOnSCLK table */ 724 stable_pstate_sclk = (hwmgr->dyn_state.max_clock_voltage_on_ac.mclk * 725 percentage) / 100; 726 727 if (clock < stable_pstate_sclk) 728 clock = stable_pstate_sclk; 729 } 730 731 if (data->sclk_dpm.soft_min_clk != clock) { 732 data->sclk_dpm.soft_min_clk = clock; 733 smum_send_msg_to_smc_with_parameter(hwmgr, 734 PPSMC_MSG_SetSclkSoftMin, 735 smu8_get_sclk_level(hwmgr, 736 data->sclk_dpm.soft_min_clk, 737 PPSMC_MSG_SetSclkSoftMin), 738 NULL); 739 } 740 741 if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, 742 PHM_PlatformCaps_StablePState) && 743 data->sclk_dpm.soft_max_clk != clock) { 744 data->sclk_dpm.soft_max_clk = clock; 745 smum_send_msg_to_smc_with_parameter(hwmgr, 746 PPSMC_MSG_SetSclkSoftMax, 747 smu8_get_sclk_level(hwmgr, 748 data->sclk_dpm.soft_max_clk, 749 PPSMC_MSG_SetSclkSoftMax), 750 NULL); 751 } 752 753 return 0; 754 } 755 756 static int smu8_set_deep_sleep_sclk_threshold(struct pp_hwmgr *hwmgr) 757 { 758 if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, 759 PHM_PlatformCaps_SclkDeepSleep)) { 760 uint32_t clks = hwmgr->display_config->min_core_set_clock_in_sr; 761 if (clks == 0) 762 clks = SMU8_MIN_DEEP_SLEEP_SCLK; 763 764 PP_DBG_LOG("Setting Deep Sleep Clock: %d\n", clks); 765 766 smum_send_msg_to_smc_with_parameter(hwmgr, 767 PPSMC_MSG_SetMinDeepSleepSclk, 768 clks, 769 NULL); 770 } 771 772 return 0; 773 } 774 775 static int smu8_set_watermark_threshold(struct pp_hwmgr *hwmgr) 776 { 777 struct smu8_hwmgr *data = 778 hwmgr->backend; 779 780 smum_send_msg_to_smc_with_parameter(hwmgr, 781 PPSMC_MSG_SetWatermarkFrequency, 782 data->sclk_dpm.soft_max_clk, 783 NULL); 784 785 return 0; 786 } 787 788 static int smu8_nbdpm_pstate_enable_disable(struct pp_hwmgr *hwmgr, bool enable, bool lock) 789 { 790 struct smu8_hwmgr *hw_data = hwmgr->backend; 791 792 if (hw_data->is_nb_dpm_enabled) { 793 if (enable) { 794 PP_DBG_LOG("enable Low Memory PState.\n"); 795 796 return smum_send_msg_to_smc_with_parameter(hwmgr, 797 PPSMC_MSG_EnableLowMemoryPstate, 798 (lock ? 1 : 0), 799 NULL); 800 } else { 801 PP_DBG_LOG("disable Low Memory PState.\n"); 802 803 return smum_send_msg_to_smc_with_parameter(hwmgr, 804 PPSMC_MSG_DisableLowMemoryPstate, 805 (lock ? 1 : 0), 806 NULL); 807 } 808 } 809 810 return 0; 811 } 812 813 static int smu8_disable_nb_dpm(struct pp_hwmgr *hwmgr) 814 { 815 int ret = 0; 816 817 struct smu8_hwmgr *data = hwmgr->backend; 818 unsigned long dpm_features = 0; 819 820 if (data->is_nb_dpm_enabled) { 821 smu8_nbdpm_pstate_enable_disable(hwmgr, true, true); 822 dpm_features |= NB_DPM_MASK; 823 ret = smum_send_msg_to_smc_with_parameter( 824 hwmgr, 825 PPSMC_MSG_DisableAllSmuFeatures, 826 dpm_features, 827 NULL); 828 if (ret == 0) 829 data->is_nb_dpm_enabled = false; 830 } 831 832 return ret; 833 } 834 835 static int smu8_enable_nb_dpm(struct pp_hwmgr *hwmgr) 836 { 837 int ret = 0; 838 839 struct smu8_hwmgr *data = hwmgr->backend; 840 unsigned long dpm_features = 0; 841 842 if (!data->is_nb_dpm_enabled) { 843 PP_DBG_LOG("enabling ALL SMU features.\n"); 844 dpm_features |= NB_DPM_MASK; 845 ret = smum_send_msg_to_smc_with_parameter( 846 hwmgr, 847 PPSMC_MSG_EnableAllSmuFeatures, 848 dpm_features, 849 NULL); 850 if (ret == 0) 851 data->is_nb_dpm_enabled = true; 852 } 853 854 return ret; 855 } 856 857 static int smu8_update_low_mem_pstate(struct pp_hwmgr *hwmgr, const void *input) 858 { 859 bool disable_switch; 860 bool enable_low_mem_state; 861 struct smu8_hwmgr *hw_data = hwmgr->backend; 862 const struct phm_set_power_state_input *states = (struct phm_set_power_state_input *)input; 863 const struct smu8_power_state *pnew_state = cast_const_smu8_power_state(states->pnew_state); 864 865 if (hw_data->sys_info.nb_dpm_enable) { 866 disable_switch = hw_data->cc6_settings.nb_pstate_switch_disable ? true : false; 867 enable_low_mem_state = hw_data->cc6_settings.nb_pstate_switch_disable ? false : true; 868 869 if (pnew_state->action == FORCE_HIGH) 870 smu8_nbdpm_pstate_enable_disable(hwmgr, false, disable_switch); 871 else if (pnew_state->action == CANCEL_FORCE_HIGH) 872 smu8_nbdpm_pstate_enable_disable(hwmgr, true, disable_switch); 873 else 874 smu8_nbdpm_pstate_enable_disable(hwmgr, enable_low_mem_state, disable_switch); 875 } 876 return 0; 877 } 878 879 static int smu8_set_power_state_tasks(struct pp_hwmgr *hwmgr, const void *input) 880 { 881 int ret = 0; 882 883 smu8_update_sclk_limit(hwmgr); 884 smu8_set_deep_sleep_sclk_threshold(hwmgr); 885 smu8_set_watermark_threshold(hwmgr); 886 ret = smu8_enable_nb_dpm(hwmgr); 887 if (ret) 888 return ret; 889 smu8_update_low_mem_pstate(hwmgr, input); 890 891 return 0; 892 } 893 894 895 static int smu8_setup_asic_task(struct pp_hwmgr *hwmgr) 896 { 897 int ret; 898 899 ret = smu8_upload_pptable_to_smu(hwmgr); 900 if (ret) 901 return ret; 902 ret = smu8_init_sclk_limit(hwmgr); 903 if (ret) 904 return ret; 905 ret = smu8_init_uvd_limit(hwmgr); 906 if (ret) 907 return ret; 908 ret = smu8_init_vce_limit(hwmgr); 909 if (ret) 910 return ret; 911 ret = smu8_init_acp_limit(hwmgr); 912 if (ret) 913 return ret; 914 915 smu8_init_power_gate_state(hwmgr); 916 smu8_init_sclk_threshold(hwmgr); 917 918 return 0; 919 } 920 921 static void smu8_power_up_display_clock_sys_pll(struct pp_hwmgr *hwmgr) 922 { 923 struct smu8_hwmgr *hw_data = hwmgr->backend; 924 925 hw_data->disp_clk_bypass_pending = false; 926 hw_data->disp_clk_bypass = false; 927 } 928 929 static void smu8_clear_nb_dpm_flag(struct pp_hwmgr *hwmgr) 930 { 931 struct smu8_hwmgr *hw_data = hwmgr->backend; 932 933 hw_data->is_nb_dpm_enabled = false; 934 } 935 936 static void smu8_reset_cc6_data(struct pp_hwmgr *hwmgr) 937 { 938 struct smu8_hwmgr *hw_data = hwmgr->backend; 939 940 hw_data->cc6_settings.cc6_setting_changed = false; 941 hw_data->cc6_settings.cpu_pstate_separation_time = 0; 942 hw_data->cc6_settings.cpu_cc6_disable = false; 943 hw_data->cc6_settings.cpu_pstate_disable = false; 944 } 945 946 static void smu8_program_voting_clients(struct pp_hwmgr *hwmgr) 947 { 948 cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, 949 ixCG_FREQ_TRAN_VOTING_0, 950 SMU8_VOTINGRIGHTSCLIENTS_DFLT0); 951 } 952 953 static void smu8_clear_voting_clients(struct pp_hwmgr *hwmgr) 954 { 955 cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, 956 ixCG_FREQ_TRAN_VOTING_0, 0); 957 } 958 959 static int smu8_start_dpm(struct pp_hwmgr *hwmgr) 960 { 961 struct smu8_hwmgr *data = hwmgr->backend; 962 963 data->dpm_flags |= DPMFlags_SCLK_Enabled; 964 965 return smum_send_msg_to_smc_with_parameter(hwmgr, 966 PPSMC_MSG_EnableAllSmuFeatures, 967 SCLK_DPM_MASK, 968 NULL); 969 } 970 971 static int smu8_stop_dpm(struct pp_hwmgr *hwmgr) 972 { 973 int ret = 0; 974 struct smu8_hwmgr *data = hwmgr->backend; 975 unsigned long dpm_features = 0; 976 977 if (data->dpm_flags & DPMFlags_SCLK_Enabled) { 978 dpm_features |= SCLK_DPM_MASK; 979 data->dpm_flags &= ~DPMFlags_SCLK_Enabled; 980 ret = smum_send_msg_to_smc_with_parameter(hwmgr, 981 PPSMC_MSG_DisableAllSmuFeatures, 982 dpm_features, 983 NULL); 984 } 985 return ret; 986 } 987 988 static int smu8_program_bootup_state(struct pp_hwmgr *hwmgr) 989 { 990 struct smu8_hwmgr *data = hwmgr->backend; 991 992 data->sclk_dpm.soft_min_clk = data->sys_info.bootup_engine_clock; 993 data->sclk_dpm.soft_max_clk = data->sys_info.bootup_engine_clock; 994 995 smum_send_msg_to_smc_with_parameter(hwmgr, 996 PPSMC_MSG_SetSclkSoftMin, 997 smu8_get_sclk_level(hwmgr, 998 data->sclk_dpm.soft_min_clk, 999 PPSMC_MSG_SetSclkSoftMin), 1000 NULL); 1001 1002 smum_send_msg_to_smc_with_parameter(hwmgr, 1003 PPSMC_MSG_SetSclkSoftMax, 1004 smu8_get_sclk_level(hwmgr, 1005 data->sclk_dpm.soft_max_clk, 1006 PPSMC_MSG_SetSclkSoftMax), 1007 NULL); 1008 1009 return 0; 1010 } 1011 1012 static void smu8_reset_acp_boot_level(struct pp_hwmgr *hwmgr) 1013 { 1014 struct smu8_hwmgr *data = hwmgr->backend; 1015 1016 data->acp_boot_level = 0xff; 1017 } 1018 1019 static int smu8_enable_dpm_tasks(struct pp_hwmgr *hwmgr) 1020 { 1021 smu8_program_voting_clients(hwmgr); 1022 if (smu8_start_dpm(hwmgr)) 1023 return -EINVAL; 1024 smu8_program_bootup_state(hwmgr); 1025 smu8_reset_acp_boot_level(hwmgr); 1026 1027 return 0; 1028 } 1029 1030 static int smu8_disable_dpm_tasks(struct pp_hwmgr *hwmgr) 1031 { 1032 smu8_disable_nb_dpm(hwmgr); 1033 1034 smu8_clear_voting_clients(hwmgr); 1035 if (smu8_stop_dpm(hwmgr)) 1036 return -EINVAL; 1037 1038 return 0; 1039 } 1040 1041 static int smu8_power_off_asic(struct pp_hwmgr *hwmgr) 1042 { 1043 smu8_disable_dpm_tasks(hwmgr); 1044 smu8_power_up_display_clock_sys_pll(hwmgr); 1045 smu8_clear_nb_dpm_flag(hwmgr); 1046 smu8_reset_cc6_data(hwmgr); 1047 return 0; 1048 } 1049 1050 static int smu8_apply_state_adjust_rules(struct pp_hwmgr *hwmgr, 1051 struct pp_power_state *prequest_ps, 1052 const struct pp_power_state *pcurrent_ps) 1053 { 1054 struct smu8_power_state *smu8_ps = 1055 cast_smu8_power_state(&prequest_ps->hardware); 1056 1057 const struct smu8_power_state *smu8_current_ps = 1058 cast_const_smu8_power_state(&pcurrent_ps->hardware); 1059 1060 struct smu8_hwmgr *data = hwmgr->backend; 1061 struct PP_Clocks clocks = {0, 0, 0, 0}; 1062 bool force_high; 1063 1064 smu8_ps->need_dfs_bypass = true; 1065 1066 data->battery_state = (PP_StateUILabel_Battery == prequest_ps->classification.ui_label); 1067 1068 clocks.memoryClock = hwmgr->display_config->min_mem_set_clock != 0 ? 1069 hwmgr->display_config->min_mem_set_clock : 1070 data->sys_info.nbp_memory_clock[1]; 1071 1072 1073 if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_StablePState)) 1074 clocks.memoryClock = hwmgr->dyn_state.max_clock_voltage_on_ac.mclk; 1075 1076 force_high = (clocks.memoryClock > data->sys_info.nbp_memory_clock[SMU8_NUM_NBPMEMORYCLOCK - 1]) 1077 || (hwmgr->display_config->num_display >= 3); 1078 1079 smu8_ps->action = smu8_current_ps->action; 1080 1081 if (hwmgr->request_dpm_level == AMD_DPM_FORCED_LEVEL_PROFILE_PEAK) 1082 smu8_nbdpm_pstate_enable_disable(hwmgr, false, false); 1083 else if (hwmgr->request_dpm_level == AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD) 1084 smu8_nbdpm_pstate_enable_disable(hwmgr, false, true); 1085 else if (!force_high && (smu8_ps->action == FORCE_HIGH)) 1086 smu8_ps->action = CANCEL_FORCE_HIGH; 1087 else if (force_high && (smu8_ps->action != FORCE_HIGH)) 1088 smu8_ps->action = FORCE_HIGH; 1089 else 1090 smu8_ps->action = DO_NOTHING; 1091 1092 return 0; 1093 } 1094 1095 static int smu8_hwmgr_backend_init(struct pp_hwmgr *hwmgr) 1096 { 1097 int result = 0; 1098 struct smu8_hwmgr *data; 1099 1100 data = kzalloc(sizeof(struct smu8_hwmgr), GFP_KERNEL); 1101 if (data == NULL) 1102 return -ENOMEM; 1103 1104 hwmgr->backend = data; 1105 1106 result = smu8_initialize_dpm_defaults(hwmgr); 1107 if (result != 0) { 1108 pr_err("smu8_initialize_dpm_defaults failed\n"); 1109 return result; 1110 } 1111 1112 result = smu8_get_system_info_data(hwmgr); 1113 if (result != 0) { 1114 pr_err("smu8_get_system_info_data failed\n"); 1115 return result; 1116 } 1117 1118 smu8_construct_boot_state(hwmgr); 1119 1120 hwmgr->platform_descriptor.hardwareActivityPerformanceLevels = SMU8_MAX_HARDWARE_POWERLEVELS; 1121 1122 return result; 1123 } 1124 1125 static int smu8_hwmgr_backend_fini(struct pp_hwmgr *hwmgr) 1126 { 1127 if (hwmgr != NULL) { 1128 kfree(hwmgr->dyn_state.vddc_dep_on_dal_pwrl); 1129 hwmgr->dyn_state.vddc_dep_on_dal_pwrl = NULL; 1130 1131 kfree(hwmgr->backend); 1132 hwmgr->backend = NULL; 1133 } 1134 return 0; 1135 } 1136 1137 static int smu8_phm_force_dpm_highest(struct pp_hwmgr *hwmgr) 1138 { 1139 struct smu8_hwmgr *data = hwmgr->backend; 1140 1141 smum_send_msg_to_smc_with_parameter(hwmgr, 1142 PPSMC_MSG_SetSclkSoftMin, 1143 smu8_get_sclk_level(hwmgr, 1144 data->sclk_dpm.soft_max_clk, 1145 PPSMC_MSG_SetSclkSoftMin), 1146 NULL); 1147 1148 smum_send_msg_to_smc_with_parameter(hwmgr, 1149 PPSMC_MSG_SetSclkSoftMax, 1150 smu8_get_sclk_level(hwmgr, 1151 data->sclk_dpm.soft_max_clk, 1152 PPSMC_MSG_SetSclkSoftMax), 1153 NULL); 1154 1155 return 0; 1156 } 1157 1158 static int smu8_phm_unforce_dpm_levels(struct pp_hwmgr *hwmgr) 1159 { 1160 struct smu8_hwmgr *data = hwmgr->backend; 1161 struct phm_clock_voltage_dependency_table *table = 1162 hwmgr->dyn_state.vddc_dependency_on_sclk; 1163 unsigned long clock = 0, level; 1164 1165 if (NULL == table || table->count <= 0) 1166 return -EINVAL; 1167 1168 data->sclk_dpm.soft_min_clk = table->entries[0].clk; 1169 data->sclk_dpm.hard_min_clk = table->entries[0].clk; 1170 hwmgr->pstate_sclk = table->entries[0].clk; 1171 hwmgr->pstate_mclk = 0; 1172 1173 level = smu8_get_max_sclk_level(hwmgr) - 1; 1174 1175 if (level < table->count) 1176 clock = table->entries[level].clk; 1177 else 1178 clock = table->entries[table->count - 1].clk; 1179 1180 data->sclk_dpm.soft_max_clk = clock; 1181 data->sclk_dpm.hard_max_clk = clock; 1182 1183 smum_send_msg_to_smc_with_parameter(hwmgr, 1184 PPSMC_MSG_SetSclkSoftMin, 1185 smu8_get_sclk_level(hwmgr, 1186 data->sclk_dpm.soft_min_clk, 1187 PPSMC_MSG_SetSclkSoftMin), 1188 NULL); 1189 1190 smum_send_msg_to_smc_with_parameter(hwmgr, 1191 PPSMC_MSG_SetSclkSoftMax, 1192 smu8_get_sclk_level(hwmgr, 1193 data->sclk_dpm.soft_max_clk, 1194 PPSMC_MSG_SetSclkSoftMax), 1195 NULL); 1196 1197 return 0; 1198 } 1199 1200 static int smu8_phm_force_dpm_lowest(struct pp_hwmgr *hwmgr) 1201 { 1202 struct smu8_hwmgr *data = hwmgr->backend; 1203 1204 smum_send_msg_to_smc_with_parameter(hwmgr, 1205 PPSMC_MSG_SetSclkSoftMax, 1206 smu8_get_sclk_level(hwmgr, 1207 data->sclk_dpm.soft_min_clk, 1208 PPSMC_MSG_SetSclkSoftMax), 1209 NULL); 1210 1211 smum_send_msg_to_smc_with_parameter(hwmgr, 1212 PPSMC_MSG_SetSclkSoftMin, 1213 smu8_get_sclk_level(hwmgr, 1214 data->sclk_dpm.soft_min_clk, 1215 PPSMC_MSG_SetSclkSoftMin), 1216 NULL); 1217 1218 return 0; 1219 } 1220 1221 static int smu8_dpm_force_dpm_level(struct pp_hwmgr *hwmgr, 1222 enum amd_dpm_forced_level level) 1223 { 1224 int ret = 0; 1225 1226 switch (level) { 1227 case AMD_DPM_FORCED_LEVEL_HIGH: 1228 case AMD_DPM_FORCED_LEVEL_PROFILE_PEAK: 1229 ret = smu8_phm_force_dpm_highest(hwmgr); 1230 break; 1231 case AMD_DPM_FORCED_LEVEL_LOW: 1232 case AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK: 1233 case AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD: 1234 ret = smu8_phm_force_dpm_lowest(hwmgr); 1235 break; 1236 case AMD_DPM_FORCED_LEVEL_AUTO: 1237 ret = smu8_phm_unforce_dpm_levels(hwmgr); 1238 break; 1239 case AMD_DPM_FORCED_LEVEL_MANUAL: 1240 case AMD_DPM_FORCED_LEVEL_PROFILE_EXIT: 1241 default: 1242 break; 1243 } 1244 1245 return ret; 1246 } 1247 1248 static int smu8_dpm_powerdown_uvd(struct pp_hwmgr *hwmgr) 1249 { 1250 if (PP_CAP(PHM_PlatformCaps_UVDPowerGating)) 1251 return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_UVDPowerOFF, NULL); 1252 return 0; 1253 } 1254 1255 static int smu8_dpm_powerup_uvd(struct pp_hwmgr *hwmgr) 1256 { 1257 if (PP_CAP(PHM_PlatformCaps_UVDPowerGating)) { 1258 return smum_send_msg_to_smc_with_parameter( 1259 hwmgr, 1260 PPSMC_MSG_UVDPowerON, 1261 PP_CAP(PHM_PlatformCaps_UVDDynamicPowerGating) ? 1 : 0, 1262 NULL); 1263 } 1264 1265 return 0; 1266 } 1267 1268 static int smu8_dpm_update_vce_dpm(struct pp_hwmgr *hwmgr) 1269 { 1270 struct smu8_hwmgr *data = hwmgr->backend; 1271 struct phm_vce_clock_voltage_dependency_table *ptable = 1272 hwmgr->dyn_state.vce_clock_voltage_dependency_table; 1273 1274 /* Stable Pstate is enabled and we need to set the VCE DPM to highest level */ 1275 if (PP_CAP(PHM_PlatformCaps_StablePState) || 1276 hwmgr->en_umd_pstate) { 1277 data->vce_dpm.hard_min_clk = 1278 ptable->entries[ptable->count - 1].ecclk; 1279 1280 smum_send_msg_to_smc_with_parameter(hwmgr, 1281 PPSMC_MSG_SetEclkHardMin, 1282 smu8_get_eclk_level(hwmgr, 1283 data->vce_dpm.hard_min_clk, 1284 PPSMC_MSG_SetEclkHardMin), 1285 NULL); 1286 } else { 1287 1288 smum_send_msg_to_smc_with_parameter(hwmgr, 1289 PPSMC_MSG_SetEclkHardMin, 1290 0, 1291 NULL); 1292 /* disable ECLK DPM 0. Otherwise VCE could hang if 1293 * switching SCLK from DPM 0 to 6/7 */ 1294 smum_send_msg_to_smc_with_parameter(hwmgr, 1295 PPSMC_MSG_SetEclkSoftMin, 1296 1, 1297 NULL); 1298 } 1299 return 0; 1300 } 1301 1302 static int smu8_dpm_powerdown_vce(struct pp_hwmgr *hwmgr) 1303 { 1304 if (PP_CAP(PHM_PlatformCaps_VCEPowerGating)) 1305 return smum_send_msg_to_smc(hwmgr, 1306 PPSMC_MSG_VCEPowerOFF, 1307 NULL); 1308 return 0; 1309 } 1310 1311 static int smu8_dpm_powerup_vce(struct pp_hwmgr *hwmgr) 1312 { 1313 if (PP_CAP(PHM_PlatformCaps_VCEPowerGating)) 1314 return smum_send_msg_to_smc(hwmgr, 1315 PPSMC_MSG_VCEPowerON, 1316 NULL); 1317 return 0; 1318 } 1319 1320 static uint32_t smu8_dpm_get_mclk(struct pp_hwmgr *hwmgr, bool low) 1321 { 1322 struct smu8_hwmgr *data = hwmgr->backend; 1323 1324 return data->sys_info.bootup_uma_clock; 1325 } 1326 1327 static uint32_t smu8_dpm_get_sclk(struct pp_hwmgr *hwmgr, bool low) 1328 { 1329 struct pp_power_state *ps; 1330 struct smu8_power_state *smu8_ps; 1331 1332 if (hwmgr == NULL) 1333 return -EINVAL; 1334 1335 ps = hwmgr->request_ps; 1336 1337 if (ps == NULL) 1338 return -EINVAL; 1339 1340 smu8_ps = cast_smu8_power_state(&ps->hardware); 1341 1342 if (low) 1343 return smu8_ps->levels[0].engineClock; 1344 else 1345 return smu8_ps->levels[smu8_ps->level-1].engineClock; 1346 } 1347 1348 static int smu8_dpm_patch_boot_state(struct pp_hwmgr *hwmgr, 1349 struct pp_hw_power_state *hw_ps) 1350 { 1351 struct smu8_hwmgr *data = hwmgr->backend; 1352 struct smu8_power_state *smu8_ps = cast_smu8_power_state(hw_ps); 1353 1354 smu8_ps->level = 1; 1355 smu8_ps->nbps_flags = 0; 1356 smu8_ps->bapm_flags = 0; 1357 smu8_ps->levels[0] = data->boot_power_level; 1358 1359 return 0; 1360 } 1361 1362 static int smu8_dpm_get_pp_table_entry_callback( 1363 struct pp_hwmgr *hwmgr, 1364 struct pp_hw_power_state *hw_ps, 1365 unsigned int index, 1366 const void *clock_info) 1367 { 1368 struct smu8_power_state *smu8_ps = cast_smu8_power_state(hw_ps); 1369 1370 const ATOM_PPLIB_CZ_CLOCK_INFO *smu8_clock_info = clock_info; 1371 1372 struct phm_clock_voltage_dependency_table *table = 1373 hwmgr->dyn_state.vddc_dependency_on_sclk; 1374 uint8_t clock_info_index = smu8_clock_info->index; 1375 1376 if (clock_info_index > (uint8_t)(hwmgr->platform_descriptor.hardwareActivityPerformanceLevels - 1)) 1377 clock_info_index = (uint8_t)(hwmgr->platform_descriptor.hardwareActivityPerformanceLevels - 1); 1378 1379 smu8_ps->levels[index].engineClock = table->entries[clock_info_index].clk; 1380 smu8_ps->levels[index].vddcIndex = (uint8_t)table->entries[clock_info_index].v; 1381 1382 smu8_ps->level = index + 1; 1383 1384 if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_SclkDeepSleep)) { 1385 smu8_ps->levels[index].dsDividerIndex = 5; 1386 smu8_ps->levels[index].ssDividerIndex = 5; 1387 } 1388 1389 return 0; 1390 } 1391 1392 static int smu8_dpm_get_num_of_pp_table_entries(struct pp_hwmgr *hwmgr) 1393 { 1394 int result; 1395 unsigned long ret = 0; 1396 1397 result = pp_tables_get_num_of_entries(hwmgr, &ret); 1398 1399 return result ? 0 : ret; 1400 } 1401 1402 static int smu8_dpm_get_pp_table_entry(struct pp_hwmgr *hwmgr, 1403 unsigned long entry, struct pp_power_state *ps) 1404 { 1405 int result; 1406 struct smu8_power_state *smu8_ps; 1407 1408 ps->hardware.magic = smu8_magic; 1409 1410 smu8_ps = cast_smu8_power_state(&(ps->hardware)); 1411 1412 result = pp_tables_get_entry(hwmgr, entry, ps, 1413 smu8_dpm_get_pp_table_entry_callback); 1414 1415 smu8_ps->uvd_clocks.vclk = ps->uvd_clocks.VCLK; 1416 smu8_ps->uvd_clocks.dclk = ps->uvd_clocks.DCLK; 1417 1418 return result; 1419 } 1420 1421 static int smu8_get_power_state_size(struct pp_hwmgr *hwmgr) 1422 { 1423 return sizeof(struct smu8_power_state); 1424 } 1425 1426 static void smu8_hw_print_display_cfg( 1427 const struct cc6_settings *cc6_settings) 1428 { 1429 PP_DBG_LOG("New Display Configuration:\n"); 1430 1431 PP_DBG_LOG(" cpu_cc6_disable: %d\n", 1432 cc6_settings->cpu_cc6_disable); 1433 PP_DBG_LOG(" cpu_pstate_disable: %d\n", 1434 cc6_settings->cpu_pstate_disable); 1435 PP_DBG_LOG(" nb_pstate_switch_disable: %d\n", 1436 cc6_settings->nb_pstate_switch_disable); 1437 PP_DBG_LOG(" cpu_pstate_separation_time: %d\n\n", 1438 cc6_settings->cpu_pstate_separation_time); 1439 } 1440 1441 static int smu8_set_cpu_power_state(struct pp_hwmgr *hwmgr) 1442 { 1443 struct smu8_hwmgr *hw_data = hwmgr->backend; 1444 uint32_t data = 0; 1445 1446 if (hw_data->cc6_settings.cc6_setting_changed) { 1447 1448 hw_data->cc6_settings.cc6_setting_changed = false; 1449 1450 smu8_hw_print_display_cfg(&hw_data->cc6_settings); 1451 1452 data |= (hw_data->cc6_settings.cpu_pstate_separation_time 1453 & PWRMGT_SEPARATION_TIME_MASK) 1454 << PWRMGT_SEPARATION_TIME_SHIFT; 1455 1456 data |= (hw_data->cc6_settings.cpu_cc6_disable ? 0x1 : 0x0) 1457 << PWRMGT_DISABLE_CPU_CSTATES_SHIFT; 1458 1459 data |= (hw_data->cc6_settings.cpu_pstate_disable ? 0x1 : 0x0) 1460 << PWRMGT_DISABLE_CPU_PSTATES_SHIFT; 1461 1462 PP_DBG_LOG("SetDisplaySizePowerParams data: 0x%X\n", 1463 data); 1464 1465 smum_send_msg_to_smc_with_parameter(hwmgr, 1466 PPSMC_MSG_SetDisplaySizePowerParams, 1467 data, 1468 NULL); 1469 } 1470 1471 return 0; 1472 } 1473 1474 1475 static int smu8_store_cc6_data(struct pp_hwmgr *hwmgr, uint32_t separation_time, 1476 bool cc6_disable, bool pstate_disable, bool pstate_switch_disable) 1477 { 1478 struct smu8_hwmgr *hw_data = hwmgr->backend; 1479 1480 if (separation_time != 1481 hw_data->cc6_settings.cpu_pstate_separation_time || 1482 cc6_disable != hw_data->cc6_settings.cpu_cc6_disable || 1483 pstate_disable != hw_data->cc6_settings.cpu_pstate_disable || 1484 pstate_switch_disable != hw_data->cc6_settings.nb_pstate_switch_disable) { 1485 1486 hw_data->cc6_settings.cc6_setting_changed = true; 1487 1488 hw_data->cc6_settings.cpu_pstate_separation_time = 1489 separation_time; 1490 hw_data->cc6_settings.cpu_cc6_disable = 1491 cc6_disable; 1492 hw_data->cc6_settings.cpu_pstate_disable = 1493 pstate_disable; 1494 hw_data->cc6_settings.nb_pstate_switch_disable = 1495 pstate_switch_disable; 1496 1497 } 1498 1499 return 0; 1500 } 1501 1502 static int smu8_get_dal_power_level(struct pp_hwmgr *hwmgr, 1503 struct amd_pp_simple_clock_info *info) 1504 { 1505 uint32_t i; 1506 const struct phm_clock_voltage_dependency_table *table = 1507 hwmgr->dyn_state.vddc_dep_on_dal_pwrl; 1508 const struct phm_clock_and_voltage_limits *limits = 1509 &hwmgr->dyn_state.max_clock_voltage_on_ac; 1510 1511 info->engine_max_clock = limits->sclk; 1512 info->memory_max_clock = limits->mclk; 1513 1514 for (i = table->count - 1; i > 0; i--) { 1515 if (limits->vddc >= table->entries[i].v) { 1516 info->level = table->entries[i].clk; 1517 return 0; 1518 } 1519 } 1520 return -EINVAL; 1521 } 1522 1523 static int smu8_force_clock_level(struct pp_hwmgr *hwmgr, 1524 enum pp_clock_type type, uint32_t mask) 1525 { 1526 switch (type) { 1527 case PP_SCLK: 1528 smum_send_msg_to_smc_with_parameter(hwmgr, 1529 PPSMC_MSG_SetSclkSoftMin, 1530 mask, 1531 NULL); 1532 smum_send_msg_to_smc_with_parameter(hwmgr, 1533 PPSMC_MSG_SetSclkSoftMax, 1534 mask, 1535 NULL); 1536 break; 1537 default: 1538 break; 1539 } 1540 1541 return 0; 1542 } 1543 1544 static int smu8_print_clock_levels(struct pp_hwmgr *hwmgr, 1545 enum pp_clock_type type, char *buf) 1546 { 1547 struct smu8_hwmgr *data = hwmgr->backend; 1548 struct phm_clock_voltage_dependency_table *sclk_table = 1549 hwmgr->dyn_state.vddc_dependency_on_sclk; 1550 int i, now, size = 0; 1551 1552 switch (type) { 1553 case PP_SCLK: 1554 now = PHM_GET_FIELD(cgs_read_ind_register(hwmgr->device, 1555 CGS_IND_REG__SMC, 1556 ixTARGET_AND_CURRENT_PROFILE_INDEX), 1557 TARGET_AND_CURRENT_PROFILE_INDEX, 1558 CURR_SCLK_INDEX); 1559 1560 for (i = 0; i < sclk_table->count; i++) 1561 size += sprintf(buf + size, "%d: %uMhz %s\n", 1562 i, sclk_table->entries[i].clk / 100, 1563 (i == now) ? "*" : ""); 1564 break; 1565 case PP_MCLK: 1566 now = PHM_GET_FIELD(cgs_read_ind_register(hwmgr->device, 1567 CGS_IND_REG__SMC, 1568 ixTARGET_AND_CURRENT_PROFILE_INDEX), 1569 TARGET_AND_CURRENT_PROFILE_INDEX, 1570 CURR_MCLK_INDEX); 1571 1572 for (i = SMU8_NUM_NBPMEMORYCLOCK; i > 0; i--) 1573 size += sprintf(buf + size, "%d: %uMhz %s\n", 1574 SMU8_NUM_NBPMEMORYCLOCK-i, data->sys_info.nbp_memory_clock[i-1] / 100, 1575 (SMU8_NUM_NBPMEMORYCLOCK-i == now) ? "*" : ""); 1576 break; 1577 default: 1578 break; 1579 } 1580 return size; 1581 } 1582 1583 static int smu8_get_performance_level(struct pp_hwmgr *hwmgr, const struct pp_hw_power_state *state, 1584 PHM_PerformanceLevelDesignation designation, uint32_t index, 1585 PHM_PerformanceLevel *level) 1586 { 1587 const struct smu8_power_state *ps; 1588 struct smu8_hwmgr *data; 1589 uint32_t level_index; 1590 uint32_t i; 1591 1592 if (level == NULL || hwmgr == NULL || state == NULL) 1593 return -EINVAL; 1594 1595 data = hwmgr->backend; 1596 ps = cast_const_smu8_power_state(state); 1597 1598 level_index = index > ps->level - 1 ? ps->level - 1 : index; 1599 level->coreClock = ps->levels[level_index].engineClock; 1600 1601 if (designation == PHM_PerformanceLevelDesignation_PowerContainment) { 1602 for (i = 1; i < ps->level; i++) { 1603 if (ps->levels[i].engineClock > data->dce_slow_sclk_threshold) { 1604 level->coreClock = ps->levels[i].engineClock; 1605 break; 1606 } 1607 } 1608 } 1609 1610 if (level_index == 0) 1611 level->memory_clock = data->sys_info.nbp_memory_clock[SMU8_NUM_NBPMEMORYCLOCK - 1]; 1612 else 1613 level->memory_clock = data->sys_info.nbp_memory_clock[0]; 1614 1615 level->vddc = (smu8_convert_8Bit_index_to_voltage(hwmgr, ps->levels[level_index].vddcIndex) + 2) / 4; 1616 level->nonLocalMemoryFreq = 0; 1617 level->nonLocalMemoryWidth = 0; 1618 1619 return 0; 1620 } 1621 1622 static int smu8_get_current_shallow_sleep_clocks(struct pp_hwmgr *hwmgr, 1623 const struct pp_hw_power_state *state, struct pp_clock_info *clock_info) 1624 { 1625 const struct smu8_power_state *ps = cast_const_smu8_power_state(state); 1626 1627 clock_info->min_eng_clk = ps->levels[0].engineClock / (1 << (ps->levels[0].ssDividerIndex)); 1628 clock_info->max_eng_clk = ps->levels[ps->level - 1].engineClock / (1 << (ps->levels[ps->level - 1].ssDividerIndex)); 1629 1630 return 0; 1631 } 1632 1633 static int smu8_get_clock_by_type(struct pp_hwmgr *hwmgr, enum amd_pp_clock_type type, 1634 struct amd_pp_clocks *clocks) 1635 { 1636 struct smu8_hwmgr *data = hwmgr->backend; 1637 int i; 1638 struct phm_clock_voltage_dependency_table *table; 1639 1640 clocks->count = smu8_get_max_sclk_level(hwmgr); 1641 switch (type) { 1642 case amd_pp_disp_clock: 1643 for (i = 0; i < clocks->count; i++) 1644 clocks->clock[i] = data->sys_info.display_clock[i] * 10; 1645 break; 1646 case amd_pp_sys_clock: 1647 table = hwmgr->dyn_state.vddc_dependency_on_sclk; 1648 for (i = 0; i < clocks->count; i++) 1649 clocks->clock[i] = table->entries[i].clk * 10; 1650 break; 1651 case amd_pp_mem_clock: 1652 clocks->count = SMU8_NUM_NBPMEMORYCLOCK; 1653 for (i = 0; i < clocks->count; i++) 1654 clocks->clock[i] = data->sys_info.nbp_memory_clock[clocks->count - 1 - i] * 10; 1655 break; 1656 default: 1657 return -1; 1658 } 1659 1660 return 0; 1661 } 1662 1663 static int smu8_get_max_high_clocks(struct pp_hwmgr *hwmgr, struct amd_pp_simple_clock_info *clocks) 1664 { 1665 struct phm_clock_voltage_dependency_table *table = 1666 hwmgr->dyn_state.vddc_dependency_on_sclk; 1667 unsigned long level; 1668 const struct phm_clock_and_voltage_limits *limits = 1669 &hwmgr->dyn_state.max_clock_voltage_on_ac; 1670 1671 if ((NULL == table) || (table->count <= 0) || (clocks == NULL)) 1672 return -EINVAL; 1673 1674 level = smu8_get_max_sclk_level(hwmgr) - 1; 1675 1676 if (level < table->count) 1677 clocks->engine_max_clock = table->entries[level].clk; 1678 else 1679 clocks->engine_max_clock = table->entries[table->count - 1].clk; 1680 1681 clocks->memory_max_clock = limits->mclk; 1682 1683 return 0; 1684 } 1685 1686 static int smu8_thermal_get_temperature(struct pp_hwmgr *hwmgr) 1687 { 1688 int actual_temp = 0; 1689 uint32_t val = cgs_read_ind_register(hwmgr->device, 1690 CGS_IND_REG__SMC, ixTHM_TCON_CUR_TMP); 1691 uint32_t temp = PHM_GET_FIELD(val, THM_TCON_CUR_TMP, CUR_TEMP); 1692 1693 if (PHM_GET_FIELD(val, THM_TCON_CUR_TMP, CUR_TEMP_RANGE_SEL)) 1694 actual_temp = ((temp / 8) - 49) * PP_TEMPERATURE_UNITS_PER_CENTIGRADES; 1695 else 1696 actual_temp = (temp / 8) * PP_TEMPERATURE_UNITS_PER_CENTIGRADES; 1697 1698 return actual_temp; 1699 } 1700 1701 static int smu8_read_sensor(struct pp_hwmgr *hwmgr, int idx, 1702 void *value, int *size) 1703 { 1704 struct smu8_hwmgr *data = hwmgr->backend; 1705 1706 struct phm_clock_voltage_dependency_table *table = 1707 hwmgr->dyn_state.vddc_dependency_on_sclk; 1708 1709 struct phm_vce_clock_voltage_dependency_table *vce_table = 1710 hwmgr->dyn_state.vce_clock_voltage_dependency_table; 1711 1712 struct phm_uvd_clock_voltage_dependency_table *uvd_table = 1713 hwmgr->dyn_state.uvd_clock_voltage_dependency_table; 1714 1715 uint32_t sclk_index = PHM_GET_FIELD(cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixTARGET_AND_CURRENT_PROFILE_INDEX), 1716 TARGET_AND_CURRENT_PROFILE_INDEX, CURR_SCLK_INDEX); 1717 uint32_t uvd_index = PHM_GET_FIELD(cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixTARGET_AND_CURRENT_PROFILE_INDEX_2), 1718 TARGET_AND_CURRENT_PROFILE_INDEX_2, CURR_UVD_INDEX); 1719 uint32_t vce_index = PHM_GET_FIELD(cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixTARGET_AND_CURRENT_PROFILE_INDEX_2), 1720 TARGET_AND_CURRENT_PROFILE_INDEX_2, CURR_VCE_INDEX); 1721 1722 uint32_t sclk, vclk, dclk, ecclk, tmp, activity_percent; 1723 uint16_t vddnb, vddgfx; 1724 int result; 1725 1726 /* size must be at least 4 bytes for all sensors */ 1727 if (*size < 4) 1728 return -EINVAL; 1729 *size = 4; 1730 1731 switch (idx) { 1732 case AMDGPU_PP_SENSOR_GFX_SCLK: 1733 if (sclk_index < NUM_SCLK_LEVELS) { 1734 sclk = table->entries[sclk_index].clk; 1735 *((uint32_t *)value) = sclk; 1736 return 0; 1737 } 1738 return -EINVAL; 1739 case AMDGPU_PP_SENSOR_VDDNB: 1740 tmp = (cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixSMUSVI_NB_CURRENTVID) & 1741 CURRENT_NB_VID_MASK) >> CURRENT_NB_VID__SHIFT; 1742 vddnb = smu8_convert_8Bit_index_to_voltage(hwmgr, tmp) / 4; 1743 *((uint32_t *)value) = vddnb; 1744 return 0; 1745 case AMDGPU_PP_SENSOR_VDDGFX: 1746 tmp = (cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixSMUSVI_GFX_CURRENTVID) & 1747 CURRENT_GFX_VID_MASK) >> CURRENT_GFX_VID__SHIFT; 1748 vddgfx = smu8_convert_8Bit_index_to_voltage(hwmgr, (u16)tmp) / 4; 1749 *((uint32_t *)value) = vddgfx; 1750 return 0; 1751 case AMDGPU_PP_SENSOR_UVD_VCLK: 1752 if (!data->uvd_power_gated) { 1753 if (uvd_index >= SMU8_MAX_HARDWARE_POWERLEVELS) { 1754 return -EINVAL; 1755 } else { 1756 vclk = uvd_table->entries[uvd_index].vclk; 1757 *((uint32_t *)value) = vclk; 1758 return 0; 1759 } 1760 } 1761 *((uint32_t *)value) = 0; 1762 return 0; 1763 case AMDGPU_PP_SENSOR_UVD_DCLK: 1764 if (!data->uvd_power_gated) { 1765 if (uvd_index >= SMU8_MAX_HARDWARE_POWERLEVELS) { 1766 return -EINVAL; 1767 } else { 1768 dclk = uvd_table->entries[uvd_index].dclk; 1769 *((uint32_t *)value) = dclk; 1770 return 0; 1771 } 1772 } 1773 *((uint32_t *)value) = 0; 1774 return 0; 1775 case AMDGPU_PP_SENSOR_VCE_ECCLK: 1776 if (!data->vce_power_gated) { 1777 if (vce_index >= SMU8_MAX_HARDWARE_POWERLEVELS) { 1778 return -EINVAL; 1779 } else { 1780 ecclk = vce_table->entries[vce_index].ecclk; 1781 *((uint32_t *)value) = ecclk; 1782 return 0; 1783 } 1784 } 1785 *((uint32_t *)value) = 0; 1786 return 0; 1787 case AMDGPU_PP_SENSOR_GPU_LOAD: 1788 result = smum_send_msg_to_smc(hwmgr, 1789 PPSMC_MSG_GetAverageGraphicsActivity, 1790 &activity_percent); 1791 if (0 == result) { 1792 activity_percent = activity_percent > 100 ? 100 : activity_percent; 1793 } else { 1794 activity_percent = 50; 1795 } 1796 *((uint32_t *)value) = activity_percent; 1797 return 0; 1798 case AMDGPU_PP_SENSOR_UVD_POWER: 1799 *((uint32_t *)value) = data->uvd_power_gated ? 0 : 1; 1800 return 0; 1801 case AMDGPU_PP_SENSOR_VCE_POWER: 1802 *((uint32_t *)value) = data->vce_power_gated ? 0 : 1; 1803 return 0; 1804 case AMDGPU_PP_SENSOR_GPU_TEMP: 1805 *((uint32_t *)value) = smu8_thermal_get_temperature(hwmgr); 1806 return 0; 1807 default: 1808 return -EINVAL; 1809 } 1810 } 1811 1812 static int smu8_notify_cac_buffer_info(struct pp_hwmgr *hwmgr, 1813 uint32_t virtual_addr_low, 1814 uint32_t virtual_addr_hi, 1815 uint32_t mc_addr_low, 1816 uint32_t mc_addr_hi, 1817 uint32_t size) 1818 { 1819 smum_send_msg_to_smc_with_parameter(hwmgr, 1820 PPSMC_MSG_DramAddrHiVirtual, 1821 mc_addr_hi, 1822 NULL); 1823 smum_send_msg_to_smc_with_parameter(hwmgr, 1824 PPSMC_MSG_DramAddrLoVirtual, 1825 mc_addr_low, 1826 NULL); 1827 smum_send_msg_to_smc_with_parameter(hwmgr, 1828 PPSMC_MSG_DramAddrHiPhysical, 1829 virtual_addr_hi, 1830 NULL); 1831 smum_send_msg_to_smc_with_parameter(hwmgr, 1832 PPSMC_MSG_DramAddrLoPhysical, 1833 virtual_addr_low, 1834 NULL); 1835 1836 smum_send_msg_to_smc_with_parameter(hwmgr, 1837 PPSMC_MSG_DramBufferSize, 1838 size, 1839 NULL); 1840 return 0; 1841 } 1842 1843 static int smu8_get_thermal_temperature_range(struct pp_hwmgr *hwmgr, 1844 struct PP_TemperatureRange *thermal_data) 1845 { 1846 struct smu8_hwmgr *data = hwmgr->backend; 1847 1848 memcpy(thermal_data, &SMU7ThermalPolicy[0], sizeof(struct PP_TemperatureRange)); 1849 1850 thermal_data->max = (data->thermal_auto_throttling_treshold + 1851 data->sys_info.htc_hyst_lmt) * 1852 PP_TEMPERATURE_UNITS_PER_CENTIGRADES; 1853 1854 return 0; 1855 } 1856 1857 static int smu8_enable_disable_uvd_dpm(struct pp_hwmgr *hwmgr, bool enable) 1858 { 1859 struct smu8_hwmgr *data = hwmgr->backend; 1860 uint32_t dpm_features = 0; 1861 1862 if (enable && 1863 phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, 1864 PHM_PlatformCaps_UVDDPM)) { 1865 data->dpm_flags |= DPMFlags_UVD_Enabled; 1866 dpm_features |= UVD_DPM_MASK; 1867 smum_send_msg_to_smc_with_parameter(hwmgr, 1868 PPSMC_MSG_EnableAllSmuFeatures, 1869 dpm_features, 1870 NULL); 1871 } else { 1872 dpm_features |= UVD_DPM_MASK; 1873 data->dpm_flags &= ~DPMFlags_UVD_Enabled; 1874 smum_send_msg_to_smc_with_parameter(hwmgr, 1875 PPSMC_MSG_DisableAllSmuFeatures, 1876 dpm_features, 1877 NULL); 1878 } 1879 return 0; 1880 } 1881 1882 static int smu8_dpm_update_uvd_dpm(struct pp_hwmgr *hwmgr, bool bgate) 1883 { 1884 struct smu8_hwmgr *data = hwmgr->backend; 1885 struct phm_uvd_clock_voltage_dependency_table *ptable = 1886 hwmgr->dyn_state.uvd_clock_voltage_dependency_table; 1887 1888 if (!bgate) { 1889 /* Stable Pstate is enabled and we need to set the UVD DPM to highest level */ 1890 if (PP_CAP(PHM_PlatformCaps_StablePState) || 1891 hwmgr->en_umd_pstate) { 1892 data->uvd_dpm.hard_min_clk = 1893 ptable->entries[ptable->count - 1].vclk; 1894 1895 smum_send_msg_to_smc_with_parameter(hwmgr, 1896 PPSMC_MSG_SetUvdHardMin, 1897 smu8_get_uvd_level(hwmgr, 1898 data->uvd_dpm.hard_min_clk, 1899 PPSMC_MSG_SetUvdHardMin), 1900 NULL); 1901 1902 smu8_enable_disable_uvd_dpm(hwmgr, true); 1903 } else { 1904 smu8_enable_disable_uvd_dpm(hwmgr, true); 1905 } 1906 } else { 1907 smu8_enable_disable_uvd_dpm(hwmgr, false); 1908 } 1909 1910 return 0; 1911 } 1912 1913 static int smu8_enable_disable_vce_dpm(struct pp_hwmgr *hwmgr, bool enable) 1914 { 1915 struct smu8_hwmgr *data = hwmgr->backend; 1916 uint32_t dpm_features = 0; 1917 1918 if (enable && phm_cap_enabled( 1919 hwmgr->platform_descriptor.platformCaps, 1920 PHM_PlatformCaps_VCEDPM)) { 1921 data->dpm_flags |= DPMFlags_VCE_Enabled; 1922 dpm_features |= VCE_DPM_MASK; 1923 smum_send_msg_to_smc_with_parameter(hwmgr, 1924 PPSMC_MSG_EnableAllSmuFeatures, 1925 dpm_features, 1926 NULL); 1927 } else { 1928 dpm_features |= VCE_DPM_MASK; 1929 data->dpm_flags &= ~DPMFlags_VCE_Enabled; 1930 smum_send_msg_to_smc_with_parameter(hwmgr, 1931 PPSMC_MSG_DisableAllSmuFeatures, 1932 dpm_features, 1933 NULL); 1934 } 1935 1936 return 0; 1937 } 1938 1939 1940 static void smu8_dpm_powergate_acp(struct pp_hwmgr *hwmgr, bool bgate) 1941 { 1942 struct smu8_hwmgr *data = hwmgr->backend; 1943 1944 if (data->acp_power_gated == bgate) 1945 return; 1946 1947 if (bgate) 1948 smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ACPPowerOFF, NULL); 1949 else 1950 smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ACPPowerON, NULL); 1951 } 1952 1953 static void smu8_dpm_powergate_uvd(struct pp_hwmgr *hwmgr, bool bgate) 1954 { 1955 struct smu8_hwmgr *data = hwmgr->backend; 1956 1957 data->uvd_power_gated = bgate; 1958 1959 if (bgate) { 1960 amdgpu_device_ip_set_powergating_state(hwmgr->adev, 1961 AMD_IP_BLOCK_TYPE_UVD, 1962 AMD_PG_STATE_GATE); 1963 amdgpu_device_ip_set_clockgating_state(hwmgr->adev, 1964 AMD_IP_BLOCK_TYPE_UVD, 1965 AMD_CG_STATE_GATE); 1966 smu8_dpm_update_uvd_dpm(hwmgr, true); 1967 smu8_dpm_powerdown_uvd(hwmgr); 1968 } else { 1969 smu8_dpm_powerup_uvd(hwmgr); 1970 amdgpu_device_ip_set_clockgating_state(hwmgr->adev, 1971 AMD_IP_BLOCK_TYPE_UVD, 1972 AMD_CG_STATE_UNGATE); 1973 amdgpu_device_ip_set_powergating_state(hwmgr->adev, 1974 AMD_IP_BLOCK_TYPE_UVD, 1975 AMD_PG_STATE_UNGATE); 1976 smu8_dpm_update_uvd_dpm(hwmgr, false); 1977 } 1978 1979 } 1980 1981 static void smu8_dpm_powergate_vce(struct pp_hwmgr *hwmgr, bool bgate) 1982 { 1983 struct smu8_hwmgr *data = hwmgr->backend; 1984 1985 if (bgate) { 1986 amdgpu_device_ip_set_powergating_state(hwmgr->adev, 1987 AMD_IP_BLOCK_TYPE_VCE, 1988 AMD_PG_STATE_GATE); 1989 amdgpu_device_ip_set_clockgating_state(hwmgr->adev, 1990 AMD_IP_BLOCK_TYPE_VCE, 1991 AMD_CG_STATE_GATE); 1992 smu8_enable_disable_vce_dpm(hwmgr, false); 1993 smu8_dpm_powerdown_vce(hwmgr); 1994 data->vce_power_gated = true; 1995 } else { 1996 smu8_dpm_powerup_vce(hwmgr); 1997 data->vce_power_gated = false; 1998 amdgpu_device_ip_set_clockgating_state(hwmgr->adev, 1999 AMD_IP_BLOCK_TYPE_VCE, 2000 AMD_CG_STATE_UNGATE); 2001 amdgpu_device_ip_set_powergating_state(hwmgr->adev, 2002 AMD_IP_BLOCK_TYPE_VCE, 2003 AMD_PG_STATE_UNGATE); 2004 smu8_dpm_update_vce_dpm(hwmgr); 2005 smu8_enable_disable_vce_dpm(hwmgr, true); 2006 } 2007 } 2008 2009 static const struct pp_hwmgr_func smu8_hwmgr_funcs = { 2010 .backend_init = smu8_hwmgr_backend_init, 2011 .backend_fini = smu8_hwmgr_backend_fini, 2012 .apply_state_adjust_rules = smu8_apply_state_adjust_rules, 2013 .force_dpm_level = smu8_dpm_force_dpm_level, 2014 .get_power_state_size = smu8_get_power_state_size, 2015 .powerdown_uvd = smu8_dpm_powerdown_uvd, 2016 .powergate_uvd = smu8_dpm_powergate_uvd, 2017 .powergate_vce = smu8_dpm_powergate_vce, 2018 .powergate_acp = smu8_dpm_powergate_acp, 2019 .get_mclk = smu8_dpm_get_mclk, 2020 .get_sclk = smu8_dpm_get_sclk, 2021 .patch_boot_state = smu8_dpm_patch_boot_state, 2022 .get_pp_table_entry = smu8_dpm_get_pp_table_entry, 2023 .get_num_of_pp_table_entries = smu8_dpm_get_num_of_pp_table_entries, 2024 .set_cpu_power_state = smu8_set_cpu_power_state, 2025 .store_cc6_data = smu8_store_cc6_data, 2026 .force_clock_level = smu8_force_clock_level, 2027 .print_clock_levels = smu8_print_clock_levels, 2028 .get_dal_power_level = smu8_get_dal_power_level, 2029 .get_performance_level = smu8_get_performance_level, 2030 .get_current_shallow_sleep_clocks = smu8_get_current_shallow_sleep_clocks, 2031 .get_clock_by_type = smu8_get_clock_by_type, 2032 .get_max_high_clocks = smu8_get_max_high_clocks, 2033 .read_sensor = smu8_read_sensor, 2034 .power_off_asic = smu8_power_off_asic, 2035 .asic_setup = smu8_setup_asic_task, 2036 .dynamic_state_management_enable = smu8_enable_dpm_tasks, 2037 .power_state_set = smu8_set_power_state_tasks, 2038 .dynamic_state_management_disable = smu8_disable_dpm_tasks, 2039 .notify_cac_buffer_info = smu8_notify_cac_buffer_info, 2040 .update_nbdpm_pstate = smu8_nbdpm_pstate_enable_disable, 2041 .get_thermal_temperature_range = smu8_get_thermal_temperature_range, 2042 }; 2043 2044 int smu8_init_function_pointers(struct pp_hwmgr *hwmgr) 2045 { 2046 hwmgr->hwmgr_func = &smu8_hwmgr_funcs; 2047 hwmgr->pptable_func = &pptable_funcs; 2048 return 0; 2049 } 2050