2 * Copyright 2015 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
25 #include <linux/delay.h>
26 #include <linux/kernel.h>
27 #include <linux/slab.h>
28 #include <linux/types.h>
29 #include <linux/pci.h>
30 #include <drm/amdgpu_drm.h>
31 #include "power_state.h"
37 extern const struct pp_smumgr_func ci_smu_funcs;
38 extern const struct pp_smumgr_func smu8_smu_funcs;
39 extern const struct pp_smumgr_func iceland_smu_funcs;
40 extern const struct pp_smumgr_func tonga_smu_funcs;
41 extern const struct pp_smumgr_func fiji_smu_funcs;
42 extern const struct pp_smumgr_func polaris10_smu_funcs;
43 extern const struct pp_smumgr_func vegam_smu_funcs;
44 extern const struct pp_smumgr_func vega10_smu_funcs;
45 extern const struct pp_smumgr_func vega12_smu_funcs;
46 extern const struct pp_smumgr_func smu10_smu_funcs;
47 extern const struct pp_smumgr_func vega20_smu_funcs;
49 extern int smu7_init_function_pointers(struct pp_hwmgr *hwmgr);
50 extern int smu8_init_function_pointers(struct pp_hwmgr *hwmgr);
51 extern int vega10_hwmgr_init(struct pp_hwmgr *hwmgr);
52 extern int vega12_hwmgr_init(struct pp_hwmgr *hwmgr);
53 extern int vega20_hwmgr_init(struct pp_hwmgr *hwmgr);
54 extern int smu10_init_function_pointers(struct pp_hwmgr *hwmgr);
56 static int polaris_set_asic_special_caps(struct pp_hwmgr *hwmgr);
57 static void hwmgr_init_default_caps(struct pp_hwmgr *hwmgr);
58 static int hwmgr_set_user_specify_caps(struct pp_hwmgr *hwmgr);
59 static int fiji_set_asic_special_caps(struct pp_hwmgr *hwmgr);
60 static int tonga_set_asic_special_caps(struct pp_hwmgr *hwmgr);
61 static int topaz_set_asic_special_caps(struct pp_hwmgr *hwmgr);
62 static int ci_set_asic_special_caps(struct pp_hwmgr *hwmgr);
65 static void hwmgr_init_workload_prority(struct pp_hwmgr *hwmgr)
67 hwmgr->workload_prority[PP_SMC_POWER_PROFILE_FULLSCREEN3D] = 2;
68 hwmgr->workload_prority[PP_SMC_POWER_PROFILE_POWERSAVING] = 0;
69 hwmgr->workload_prority[PP_SMC_POWER_PROFILE_VIDEO] = 1;
70 hwmgr->workload_prority[PP_SMC_POWER_PROFILE_VR] = 3;
71 hwmgr->workload_prority[PP_SMC_POWER_PROFILE_COMPUTE] = 4;
73 hwmgr->workload_setting[0] = PP_SMC_POWER_PROFILE_POWERSAVING;
74 hwmgr->workload_setting[1] = PP_SMC_POWER_PROFILE_VIDEO;
75 hwmgr->workload_setting[2] = PP_SMC_POWER_PROFILE_FULLSCREEN3D;
76 hwmgr->workload_setting[3] = PP_SMC_POWER_PROFILE_VR;
77 hwmgr->workload_setting[4] = PP_SMC_POWER_PROFILE_COMPUTE;
80 int hwmgr_early_init(struct pp_hwmgr *hwmgr)
85 hwmgr->usec_timeout = AMD_MAX_USEC_TIMEOUT;
86 hwmgr->pp_table_version = PP_TABLE_V1;
87 hwmgr->dpm_level = AMD_DPM_FORCED_LEVEL_AUTO;
88 hwmgr->request_dpm_level = AMD_DPM_FORCED_LEVEL_AUTO;
89 hwmgr_init_default_caps(hwmgr);
90 hwmgr_set_user_specify_caps(hwmgr);
91 hwmgr->fan_ctrl_is_in_default_mode = true;
92 hwmgr_init_workload_prority(hwmgr);
94 switch (hwmgr->chip_family) {
95 case AMDGPU_FAMILY_CI:
96 hwmgr->smumgr_funcs = &ci_smu_funcs;
97 ci_set_asic_special_caps(hwmgr);
98 hwmgr->feature_mask &= ~(PP_VBI_TIME_SUPPORT_MASK |
99 PP_ENABLE_GFX_CG_THRU_SMU |
101 hwmgr->pp_table_version = PP_TABLE_V0;
102 hwmgr->od_enabled = false;
103 smu7_init_function_pointers(hwmgr);
105 case AMDGPU_FAMILY_CZ:
106 hwmgr->od_enabled = false;
107 hwmgr->smumgr_funcs = &smu8_smu_funcs;
108 hwmgr->feature_mask &= ~PP_GFXOFF_MASK;
109 smu8_init_function_pointers(hwmgr);
111 case AMDGPU_FAMILY_VI:
112 hwmgr->feature_mask &= ~PP_GFXOFF_MASK;
113 switch (hwmgr->chip_id) {
115 hwmgr->smumgr_funcs = &iceland_smu_funcs;
116 topaz_set_asic_special_caps(hwmgr);
117 hwmgr->feature_mask &= ~ (PP_VBI_TIME_SUPPORT_MASK |
118 PP_ENABLE_GFX_CG_THRU_SMU);
119 hwmgr->pp_table_version = PP_TABLE_V0;
120 hwmgr->od_enabled = false;
123 hwmgr->smumgr_funcs = &tonga_smu_funcs;
124 tonga_set_asic_special_caps(hwmgr);
125 hwmgr->feature_mask &= ~PP_VBI_TIME_SUPPORT_MASK;
128 hwmgr->smumgr_funcs = &fiji_smu_funcs;
129 fiji_set_asic_special_caps(hwmgr);
130 hwmgr->feature_mask &= ~ (PP_VBI_TIME_SUPPORT_MASK |
131 PP_ENABLE_GFX_CG_THRU_SMU);
136 hwmgr->smumgr_funcs = &polaris10_smu_funcs;
137 polaris_set_asic_special_caps(hwmgr);
138 hwmgr->feature_mask &= ~(PP_UVD_HANDSHAKE_MASK);
141 hwmgr->smumgr_funcs = &vegam_smu_funcs;
142 polaris_set_asic_special_caps(hwmgr);
143 hwmgr->feature_mask &= ~(PP_UVD_HANDSHAKE_MASK);
148 smu7_init_function_pointers(hwmgr);
150 case AMDGPU_FAMILY_AI:
151 switch (hwmgr->chip_id) {
153 hwmgr->feature_mask &= ~PP_GFXOFF_MASK;
154 hwmgr->smumgr_funcs = &vega10_smu_funcs;
155 vega10_hwmgr_init(hwmgr);
158 hwmgr->smumgr_funcs = &vega12_smu_funcs;
159 vega12_hwmgr_init(hwmgr);
162 hwmgr->feature_mask &= ~PP_GFXOFF_MASK;
163 hwmgr->smumgr_funcs = &vega20_smu_funcs;
164 vega20_hwmgr_init(hwmgr);
170 case AMDGPU_FAMILY_RV:
171 switch (hwmgr->chip_id) {
173 hwmgr->od_enabled = false;
174 hwmgr->smumgr_funcs = &smu10_smu_funcs;
175 smu10_init_function_pointers(hwmgr);
188 int hwmgr_sw_init(struct pp_hwmgr *hwmgr)
190 if (!hwmgr|| !hwmgr->smumgr_funcs || !hwmgr->smumgr_funcs->smu_init)
193 phm_register_irq_handlers(hwmgr);
195 return hwmgr->smumgr_funcs->smu_init(hwmgr);
199 int hwmgr_sw_fini(struct pp_hwmgr *hwmgr)
201 if (hwmgr && hwmgr->smumgr_funcs && hwmgr->smumgr_funcs->smu_fini)
202 hwmgr->smumgr_funcs->smu_fini(hwmgr);
207 int hwmgr_hw_init(struct pp_hwmgr *hwmgr)
214 if (!hwmgr->pptable_func ||
215 !hwmgr->pptable_func->pptable_init ||
216 !hwmgr->hwmgr_func->backend_init) {
217 hwmgr->pm_en = false;
218 pr_info("dpm not supported \n");
222 ret = hwmgr->pptable_func->pptable_init(hwmgr);
226 ((struct amdgpu_device *)hwmgr->adev)->pm.no_fan =
227 hwmgr->thermal_controller.fanInfo.bNoFan;
229 ret = hwmgr->hwmgr_func->backend_init(hwmgr);
232 /* make sure dc limits are valid */
233 if ((hwmgr->dyn_state.max_clock_voltage_on_dc.sclk == 0) ||
234 (hwmgr->dyn_state.max_clock_voltage_on_dc.mclk == 0))
235 hwmgr->dyn_state.max_clock_voltage_on_dc =
236 hwmgr->dyn_state.max_clock_voltage_on_ac;
238 ret = psm_init_power_state_table(hwmgr);
242 ret = phm_setup_asic(hwmgr);
246 ret = phm_enable_dynamic_state_management(hwmgr);
249 ret = phm_start_thermal_controller(hwmgr);
250 ret |= psm_set_performance_states(hwmgr);
254 ((struct amdgpu_device *)hwmgr->adev)->pm.dpm_enabled = true;
258 if (hwmgr->hwmgr_func->backend_fini)
259 hwmgr->hwmgr_func->backend_fini(hwmgr);
261 if (hwmgr->pptable_func->pptable_fini)
262 hwmgr->pptable_func->pptable_fini(hwmgr);
267 int hwmgr_hw_fini(struct pp_hwmgr *hwmgr)
269 if (!hwmgr || !hwmgr->pm_en)
272 phm_stop_thermal_controller(hwmgr);
273 psm_set_boot_states(hwmgr);
274 psm_adjust_power_state_dynamic(hwmgr, false, NULL);
275 phm_disable_dynamic_state_management(hwmgr);
276 phm_disable_clock_power_gatings(hwmgr);
278 if (hwmgr->hwmgr_func->backend_fini)
279 hwmgr->hwmgr_func->backend_fini(hwmgr);
280 if (hwmgr->pptable_func->pptable_fini)
281 hwmgr->pptable_func->pptable_fini(hwmgr);
282 return psm_fini_power_state_table(hwmgr);
285 int hwmgr_suspend(struct pp_hwmgr *hwmgr)
289 if (!hwmgr || !hwmgr->pm_en)
292 phm_disable_smc_firmware_ctf(hwmgr);
293 ret = psm_set_boot_states(hwmgr);
296 ret = psm_adjust_power_state_dynamic(hwmgr, false, NULL);
299 ret = phm_power_down_asic(hwmgr);
304 int hwmgr_resume(struct pp_hwmgr *hwmgr)
314 ret = phm_setup_asic(hwmgr);
318 ret = phm_enable_dynamic_state_management(hwmgr);
321 ret = phm_start_thermal_controller(hwmgr);
322 ret |= psm_set_performance_states(hwmgr);
326 ret = psm_adjust_power_state_dynamic(hwmgr, false, NULL);
331 static enum PP_StateUILabel power_state_convert(enum amd_pm_state_type state)
334 case POWER_STATE_TYPE_BATTERY:
335 return PP_StateUILabel_Battery;
336 case POWER_STATE_TYPE_BALANCED:
337 return PP_StateUILabel_Balanced;
338 case POWER_STATE_TYPE_PERFORMANCE:
339 return PP_StateUILabel_Performance;
341 return PP_StateUILabel_None;
345 int hwmgr_handle_task(struct pp_hwmgr *hwmgr, enum amd_pp_task task_id,
346 enum amd_pm_state_type *user_state)
354 case AMD_PP_TASK_DISPLAY_CONFIG_CHANGE:
355 ret = phm_set_cpu_power_state(hwmgr);
358 ret = psm_set_performance_states(hwmgr);
361 ret = psm_adjust_power_state_dynamic(hwmgr, false, NULL);
363 case AMD_PP_TASK_ENABLE_USER_STATE:
365 enum PP_StateUILabel requested_ui_label;
366 struct pp_power_state *requested_ps = NULL;
368 if (user_state == NULL) {
373 requested_ui_label = power_state_convert(*user_state);
374 ret = psm_set_user_performance_state(hwmgr, requested_ui_label, &requested_ps);
377 ret = psm_adjust_power_state_dynamic(hwmgr, false, requested_ps);
380 case AMD_PP_TASK_COMPLETE_INIT:
381 case AMD_PP_TASK_READJUST_POWER_STATE:
382 ret = psm_adjust_power_state_dynamic(hwmgr, false, NULL);
390 void hwmgr_init_default_caps(struct pp_hwmgr *hwmgr)
392 phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_PCIEPerformanceRequest);
394 phm_cap_set(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_UVDDPM);
395 phm_cap_set(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_VCEDPM);
397 #if defined(CONFIG_ACPI)
398 if (amdgpu_acpi_is_pcie_performance_request_supported(hwmgr->adev))
399 phm_cap_set(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_PCIEPerformanceRequest);
402 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
403 PHM_PlatformCaps_DynamicPatchPowerState);
405 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
406 PHM_PlatformCaps_EnableSMU7ThermalManagement);
408 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
409 PHM_PlatformCaps_DynamicPowerManagement);
411 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
412 PHM_PlatformCaps_SMC);
414 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
415 PHM_PlatformCaps_DynamicUVDState);
417 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
418 PHM_PlatformCaps_FanSpeedInTableIsRPM);
422 int hwmgr_set_user_specify_caps(struct pp_hwmgr *hwmgr)
424 if (hwmgr->feature_mask & PP_SCLK_DEEP_SLEEP_MASK)
425 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
426 PHM_PlatformCaps_SclkDeepSleep);
428 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
429 PHM_PlatformCaps_SclkDeepSleep);
431 if (hwmgr->feature_mask & PP_POWER_CONTAINMENT_MASK) {
432 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
433 PHM_PlatformCaps_PowerContainment);
434 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
435 PHM_PlatformCaps_CAC);
437 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
438 PHM_PlatformCaps_PowerContainment);
439 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
440 PHM_PlatformCaps_CAC);
443 if (hwmgr->feature_mask & PP_OVERDRIVE_MASK)
444 hwmgr->od_enabled = true;
449 int polaris_set_asic_special_caps(struct pp_hwmgr *hwmgr)
451 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
452 PHM_PlatformCaps_EVV);
453 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
454 PHM_PlatformCaps_SQRamping);
455 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
456 PHM_PlatformCaps_RegulatorHot);
458 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
459 PHM_PlatformCaps_AutomaticDCTransition);
461 if (hwmgr->chip_id != CHIP_POLARIS10)
462 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
463 PHM_PlatformCaps_SPLLShutdownSupport);
465 if (hwmgr->chip_id != CHIP_POLARIS11) {
466 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
467 PHM_PlatformCaps_DBRamping);
468 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
469 PHM_PlatformCaps_TDRamping);
470 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
471 PHM_PlatformCaps_TCPRamping);
476 int fiji_set_asic_special_caps(struct pp_hwmgr *hwmgr)
478 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
479 PHM_PlatformCaps_EVV);
480 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
481 PHM_PlatformCaps_SQRamping);
482 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
483 PHM_PlatformCaps_DBRamping);
484 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
485 PHM_PlatformCaps_TDRamping);
486 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
487 PHM_PlatformCaps_TCPRamping);
491 int tonga_set_asic_special_caps(struct pp_hwmgr *hwmgr)
493 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
494 PHM_PlatformCaps_EVV);
495 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
496 PHM_PlatformCaps_SQRamping);
497 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
498 PHM_PlatformCaps_DBRamping);
499 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
500 PHM_PlatformCaps_TDRamping);
501 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
502 PHM_PlatformCaps_TCPRamping);
504 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
505 PHM_PlatformCaps_UVDPowerGating);
506 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
507 PHM_PlatformCaps_VCEPowerGating);
511 int topaz_set_asic_special_caps(struct pp_hwmgr *hwmgr)
513 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
514 PHM_PlatformCaps_EVV);
515 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
516 PHM_PlatformCaps_SQRamping);
517 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
518 PHM_PlatformCaps_DBRamping);
519 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
520 PHM_PlatformCaps_TDRamping);
521 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
522 PHM_PlatformCaps_TCPRamping);
526 int ci_set_asic_special_caps(struct pp_hwmgr *hwmgr)
528 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
529 PHM_PlatformCaps_SQRamping);
530 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
531 PHM_PlatformCaps_DBRamping);
532 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
533 PHM_PlatformCaps_TDRamping);
534 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
535 PHM_PlatformCaps_TCPRamping);
536 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
537 PHM_PlatformCaps_MemorySpreadSpectrumSupport);
538 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
539 PHM_PlatformCaps_EngineSpreadSpectrumSupport);