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 vega10_smu_funcs;
44 extern const struct pp_smumgr_func vega12_smu_funcs;
45 extern const struct pp_smumgr_func smu10_smu_funcs;
47 extern int smu7_init_function_pointers(struct pp_hwmgr *hwmgr);
48 extern int smu8_init_function_pointers(struct pp_hwmgr *hwmgr);
49 extern int vega10_hwmgr_init(struct pp_hwmgr *hwmgr);
50 extern int vega12_hwmgr_init(struct pp_hwmgr *hwmgr);
51 extern int smu10_init_function_pointers(struct pp_hwmgr *hwmgr);
53 static int polaris_set_asic_special_caps(struct pp_hwmgr *hwmgr);
54 static void hwmgr_init_default_caps(struct pp_hwmgr *hwmgr);
55 static int hwmgr_set_user_specify_caps(struct pp_hwmgr *hwmgr);
56 static int fiji_set_asic_special_caps(struct pp_hwmgr *hwmgr);
57 static int tonga_set_asic_special_caps(struct pp_hwmgr *hwmgr);
58 static int topaz_set_asic_special_caps(struct pp_hwmgr *hwmgr);
59 static int ci_set_asic_special_caps(struct pp_hwmgr *hwmgr);
61 static int phm_thermal_l2h_irq(void *private_data,
62 unsigned src_id, const uint32_t *iv_entry)
64 struct pp_hwmgr *hwmgr = (struct pp_hwmgr *)private_data;
65 struct amdgpu_device *adev = hwmgr->adev;
67 pr_warn("GPU over temperature range detected on PCIe %d:%d.%d!\n",
68 PCI_BUS_NUM(adev->pdev->devfn),
69 PCI_SLOT(adev->pdev->devfn),
70 PCI_FUNC(adev->pdev->devfn));
74 static int phm_thermal_h2l_irq(void *private_data,
75 unsigned src_id, const uint32_t *iv_entry)
77 struct pp_hwmgr *hwmgr = (struct pp_hwmgr *)private_data;
78 struct amdgpu_device *adev = hwmgr->adev;
80 pr_warn("GPU under temperature range detected on PCIe %d:%d.%d!\n",
81 PCI_BUS_NUM(adev->pdev->devfn),
82 PCI_SLOT(adev->pdev->devfn),
83 PCI_FUNC(adev->pdev->devfn));
87 static int phm_ctf_irq(void *private_data,
88 unsigned src_id, const uint32_t *iv_entry)
90 struct pp_hwmgr *hwmgr = (struct pp_hwmgr *)private_data;
91 struct amdgpu_device *adev = hwmgr->adev;
93 pr_warn("GPU Critical Temperature Fault detected on PCIe %d:%d.%d!\n",
94 PCI_BUS_NUM(adev->pdev->devfn),
95 PCI_SLOT(adev->pdev->devfn),
96 PCI_FUNC(adev->pdev->devfn));
100 static const struct cgs_irq_src_funcs thermal_irq_src[3] = {
101 { .handler = phm_thermal_l2h_irq },
102 { .handler = phm_thermal_h2l_irq },
103 { .handler = phm_ctf_irq }
106 static void hwmgr_init_workload_prority(struct pp_hwmgr *hwmgr)
108 hwmgr->workload_prority[PP_SMC_POWER_PROFILE_FULLSCREEN3D] = 2;
109 hwmgr->workload_prority[PP_SMC_POWER_PROFILE_POWERSAVING] = 0;
110 hwmgr->workload_prority[PP_SMC_POWER_PROFILE_VIDEO] = 1;
111 hwmgr->workload_prority[PP_SMC_POWER_PROFILE_VR] = 3;
112 hwmgr->workload_prority[PP_SMC_POWER_PROFILE_COMPUTE] = 4;
114 hwmgr->workload_setting[0] = PP_SMC_POWER_PROFILE_POWERSAVING;
115 hwmgr->workload_setting[1] = PP_SMC_POWER_PROFILE_VIDEO;
116 hwmgr->workload_setting[2] = PP_SMC_POWER_PROFILE_FULLSCREEN3D;
117 hwmgr->workload_setting[3] = PP_SMC_POWER_PROFILE_VR;
118 hwmgr->workload_setting[4] = PP_SMC_POWER_PROFILE_COMPUTE;
121 int hwmgr_early_init(struct pp_hwmgr *hwmgr)
126 hwmgr->usec_timeout = AMD_MAX_USEC_TIMEOUT;
127 hwmgr->power_source = PP_PowerSource_AC;
128 hwmgr->pp_table_version = PP_TABLE_V1;
129 hwmgr->dpm_level = AMD_DPM_FORCED_LEVEL_AUTO;
130 hwmgr->request_dpm_level = AMD_DPM_FORCED_LEVEL_AUTO;
131 hwmgr_init_default_caps(hwmgr);
132 hwmgr_set_user_specify_caps(hwmgr);
133 hwmgr->fan_ctrl_is_in_default_mode = true;
134 hwmgr->reload_fw = 1;
135 hwmgr_init_workload_prority(hwmgr);
137 switch (hwmgr->chip_family) {
138 case AMDGPU_FAMILY_CI:
139 hwmgr->smumgr_funcs = &ci_smu_funcs;
140 ci_set_asic_special_caps(hwmgr);
141 hwmgr->feature_mask &= ~(PP_VBI_TIME_SUPPORT_MASK |
142 PP_ENABLE_GFX_CG_THRU_SMU);
143 hwmgr->pp_table_version = PP_TABLE_V0;
144 hwmgr->od_enabled = false;
145 smu7_init_function_pointers(hwmgr);
147 case AMDGPU_FAMILY_CZ:
148 hwmgr->od_enabled = false;
149 hwmgr->smumgr_funcs = &smu8_smu_funcs;
150 smu8_init_function_pointers(hwmgr);
152 case AMDGPU_FAMILY_VI:
153 switch (hwmgr->chip_id) {
155 hwmgr->smumgr_funcs = &iceland_smu_funcs;
156 topaz_set_asic_special_caps(hwmgr);
157 hwmgr->feature_mask &= ~ (PP_VBI_TIME_SUPPORT_MASK |
158 PP_ENABLE_GFX_CG_THRU_SMU);
159 hwmgr->pp_table_version = PP_TABLE_V0;
160 hwmgr->od_enabled = false;
163 hwmgr->smumgr_funcs = &tonga_smu_funcs;
164 tonga_set_asic_special_caps(hwmgr);
165 hwmgr->feature_mask &= ~PP_VBI_TIME_SUPPORT_MASK;
168 hwmgr->smumgr_funcs = &fiji_smu_funcs;
169 fiji_set_asic_special_caps(hwmgr);
170 hwmgr->feature_mask &= ~ (PP_VBI_TIME_SUPPORT_MASK |
171 PP_ENABLE_GFX_CG_THRU_SMU);
176 hwmgr->smumgr_funcs = &polaris10_smu_funcs;
177 polaris_set_asic_special_caps(hwmgr);
178 hwmgr->feature_mask &= ~(PP_UVD_HANDSHAKE_MASK);
183 smu7_init_function_pointers(hwmgr);
185 case AMDGPU_FAMILY_AI:
186 switch (hwmgr->chip_id) {
188 hwmgr->smumgr_funcs = &vega10_smu_funcs;
189 vega10_hwmgr_init(hwmgr);
192 hwmgr->smumgr_funcs = &vega12_smu_funcs;
193 vega12_hwmgr_init(hwmgr);
199 case AMDGPU_FAMILY_RV:
200 switch (hwmgr->chip_id) {
202 hwmgr->od_enabled = false;
203 hwmgr->smumgr_funcs = &smu10_smu_funcs;
204 smu10_init_function_pointers(hwmgr);
217 int hwmgr_hw_init(struct pp_hwmgr *hwmgr)
224 if (hwmgr->pptable_func == NULL ||
225 hwmgr->pptable_func->pptable_init == NULL ||
226 hwmgr->hwmgr_func->backend_init == NULL)
229 ret = hwmgr->pptable_func->pptable_init(hwmgr);
233 ret = hwmgr->hwmgr_func->backend_init(hwmgr);
237 ret = psm_init_power_state_table(hwmgr);
241 ret = phm_setup_asic(hwmgr);
245 ret = phm_enable_dynamic_state_management(hwmgr);
248 ret = phm_start_thermal_controller(hwmgr);
249 ret |= psm_set_performance_states(hwmgr);
253 ret = phm_register_thermal_interrupt(hwmgr, &thermal_irq_src);
259 if (hwmgr->hwmgr_func->backend_fini)
260 hwmgr->hwmgr_func->backend_fini(hwmgr);
262 if (hwmgr->pptable_func->pptable_fini)
263 hwmgr->pptable_func->pptable_fini(hwmgr);
265 pr_err("amdgpu: powerplay initialization failed\n");
269 int hwmgr_hw_fini(struct pp_hwmgr *hwmgr)
274 phm_stop_thermal_controller(hwmgr);
275 psm_set_boot_states(hwmgr);
276 psm_adjust_power_state_dynamic(hwmgr, false, NULL);
277 phm_disable_dynamic_state_management(hwmgr);
278 phm_disable_clock_power_gatings(hwmgr);
280 if (hwmgr->hwmgr_func->backend_fini)
281 hwmgr->hwmgr_func->backend_fini(hwmgr);
282 if (hwmgr->pptable_func->pptable_fini)
283 hwmgr->pptable_func->pptable_fini(hwmgr);
284 return psm_fini_power_state_table(hwmgr);
287 int hwmgr_hw_suspend(struct pp_hwmgr *hwmgr)
294 phm_disable_smc_firmware_ctf(hwmgr);
295 ret = psm_set_boot_states(hwmgr);
298 ret = psm_adjust_power_state_dynamic(hwmgr, false, NULL);
301 ret = phm_power_down_asic(hwmgr);
306 int hwmgr_hw_resume(struct pp_hwmgr *hwmgr)
313 ret = phm_setup_asic(hwmgr);
317 ret = phm_enable_dynamic_state_management(hwmgr);
320 ret = phm_start_thermal_controller(hwmgr);
324 ret |= psm_set_performance_states(hwmgr);
328 ret = psm_adjust_power_state_dynamic(hwmgr, false, NULL);
333 static enum PP_StateUILabel power_state_convert(enum amd_pm_state_type state)
336 case POWER_STATE_TYPE_BATTERY:
337 return PP_StateUILabel_Battery;
338 case POWER_STATE_TYPE_BALANCED:
339 return PP_StateUILabel_Balanced;
340 case POWER_STATE_TYPE_PERFORMANCE:
341 return PP_StateUILabel_Performance;
343 return PP_StateUILabel_None;
347 int hwmgr_handle_task(struct pp_hwmgr *hwmgr, enum amd_pp_task task_id,
348 enum amd_pm_state_type *user_state)
356 case AMD_PP_TASK_DISPLAY_CONFIG_CHANGE:
357 ret = phm_set_cpu_power_state(hwmgr);
360 ret = psm_set_performance_states(hwmgr);
363 ret = psm_adjust_power_state_dynamic(hwmgr, false, NULL);
365 case AMD_PP_TASK_ENABLE_USER_STATE:
367 enum PP_StateUILabel requested_ui_label;
368 struct pp_power_state *requested_ps = NULL;
370 if (user_state == NULL) {
375 requested_ui_label = power_state_convert(*user_state);
376 ret = psm_set_user_performance_state(hwmgr, requested_ui_label, &requested_ps);
379 ret = psm_adjust_power_state_dynamic(hwmgr, false, requested_ps);
382 case AMD_PP_TASK_COMPLETE_INIT:
383 case AMD_PP_TASK_READJUST_POWER_STATE:
384 ret = psm_adjust_power_state_dynamic(hwmgr, false, NULL);
392 void hwmgr_init_default_caps(struct pp_hwmgr *hwmgr)
394 phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_PCIEPerformanceRequest);
396 phm_cap_set(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_UVDDPM);
397 phm_cap_set(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_VCEDPM);
399 #if defined(CONFIG_ACPI)
400 if (amdgpu_acpi_is_pcie_performance_request_supported(hwmgr->adev))
401 phm_cap_set(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_PCIEPerformanceRequest);
404 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
405 PHM_PlatformCaps_DynamicPatchPowerState);
407 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
408 PHM_PlatformCaps_EnableSMU7ThermalManagement);
410 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
411 PHM_PlatformCaps_DynamicPowerManagement);
413 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
414 PHM_PlatformCaps_SMC);
416 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
417 PHM_PlatformCaps_DynamicUVDState);
419 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
420 PHM_PlatformCaps_FanSpeedInTableIsRPM);
424 int hwmgr_set_user_specify_caps(struct pp_hwmgr *hwmgr)
426 if (hwmgr->feature_mask & PP_SCLK_DEEP_SLEEP_MASK)
427 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
428 PHM_PlatformCaps_SclkDeepSleep);
430 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
431 PHM_PlatformCaps_SclkDeepSleep);
433 if (hwmgr->feature_mask & PP_POWER_CONTAINMENT_MASK) {
434 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
435 PHM_PlatformCaps_PowerContainment);
436 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
437 PHM_PlatformCaps_CAC);
439 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
440 PHM_PlatformCaps_PowerContainment);
441 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
442 PHM_PlatformCaps_CAC);
445 if (hwmgr->feature_mask & PP_OVERDRIVE_MASK)
446 hwmgr->od_enabled = true;
451 int polaris_set_asic_special_caps(struct pp_hwmgr *hwmgr)
453 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
454 PHM_PlatformCaps_EVV);
455 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
456 PHM_PlatformCaps_SQRamping);
457 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
458 PHM_PlatformCaps_RegulatorHot);
460 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
461 PHM_PlatformCaps_AutomaticDCTransition);
463 if (hwmgr->chip_id != CHIP_POLARIS10)
464 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
465 PHM_PlatformCaps_SPLLShutdownSupport);
467 if (hwmgr->chip_id != CHIP_POLARIS11) {
468 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
469 PHM_PlatformCaps_DBRamping);
470 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
471 PHM_PlatformCaps_TDRamping);
472 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
473 PHM_PlatformCaps_TCPRamping);
478 int fiji_set_asic_special_caps(struct pp_hwmgr *hwmgr)
480 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
481 PHM_PlatformCaps_EVV);
482 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
483 PHM_PlatformCaps_SQRamping);
484 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
485 PHM_PlatformCaps_DBRamping);
486 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
487 PHM_PlatformCaps_TDRamping);
488 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
489 PHM_PlatformCaps_TCPRamping);
493 int tonga_set_asic_special_caps(struct pp_hwmgr *hwmgr)
495 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
496 PHM_PlatformCaps_EVV);
497 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
498 PHM_PlatformCaps_SQRamping);
499 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
500 PHM_PlatformCaps_DBRamping);
501 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
502 PHM_PlatformCaps_TDRamping);
503 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
504 PHM_PlatformCaps_TCPRamping);
506 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
507 PHM_PlatformCaps_UVDPowerGating);
508 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
509 PHM_PlatformCaps_VCEPowerGating);
513 int topaz_set_asic_special_caps(struct pp_hwmgr *hwmgr)
515 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
516 PHM_PlatformCaps_EVV);
517 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
518 PHM_PlatformCaps_SQRamping);
519 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
520 PHM_PlatformCaps_DBRamping);
521 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
522 PHM_PlatformCaps_TDRamping);
523 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
524 PHM_PlatformCaps_TCPRamping);
528 int ci_set_asic_special_caps(struct pp_hwmgr *hwmgr)
530 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
531 PHM_PlatformCaps_SQRamping);
532 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
533 PHM_PlatformCaps_DBRamping);
534 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
535 PHM_PlatformCaps_TDRamping);
536 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
537 PHM_PlatformCaps_TCPRamping);
538 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
539 PHM_PlatformCaps_MemorySpreadSpectrumSupport);
540 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
541 PHM_PlatformCaps_EngineSpreadSpectrumSupport);