| /* |
| * Copyright 2011 Advanced Micro Devices, Inc. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| * |
| * Authors: Alex Deucher |
| */ |
| |
| #include "amdgpu.h" |
| #include "amdgpu_atombios.h" |
| #include "amdgpu_i2c.h" |
| #include "amdgpu_dpm.h" |
| #include "atom.h" |
| #include "amd_pcie.h" |
| #include "amdgpu_display.h" |
| #include "hwmgr.h" |
| #include <linux/power_supply.h> |
| |
| #define WIDTH_4K 3840 |
| |
| void amdgpu_dpm_print_class_info(u32 class, u32 class2) |
| { |
| const char *s; |
| |
| switch (class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) { |
| case ATOM_PPLIB_CLASSIFICATION_UI_NONE: |
| default: |
| s = "none"; |
| break; |
| case ATOM_PPLIB_CLASSIFICATION_UI_BATTERY: |
| s = "battery"; |
| break; |
| case ATOM_PPLIB_CLASSIFICATION_UI_BALANCED: |
| s = "balanced"; |
| break; |
| case ATOM_PPLIB_CLASSIFICATION_UI_PERFORMANCE: |
| s = "performance"; |
| break; |
| } |
| printk("\tui class: %s\n", s); |
| printk("\tinternal class:"); |
| if (((class & ~ATOM_PPLIB_CLASSIFICATION_UI_MASK) == 0) && |
| (class2 == 0)) |
| pr_cont(" none"); |
| else { |
| if (class & ATOM_PPLIB_CLASSIFICATION_BOOT) |
| pr_cont(" boot"); |
| if (class & ATOM_PPLIB_CLASSIFICATION_THERMAL) |
| pr_cont(" thermal"); |
| if (class & ATOM_PPLIB_CLASSIFICATION_LIMITEDPOWERSOURCE) |
| pr_cont(" limited_pwr"); |
| if (class & ATOM_PPLIB_CLASSIFICATION_REST) |
| pr_cont(" rest"); |
| if (class & ATOM_PPLIB_CLASSIFICATION_FORCED) |
| pr_cont(" forced"); |
| if (class & ATOM_PPLIB_CLASSIFICATION_3DPERFORMANCE) |
| pr_cont(" 3d_perf"); |
| if (class & ATOM_PPLIB_CLASSIFICATION_OVERDRIVETEMPLATE) |
| pr_cont(" ovrdrv"); |
| if (class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE) |
| pr_cont(" uvd"); |
| if (class & ATOM_PPLIB_CLASSIFICATION_3DLOW) |
| pr_cont(" 3d_low"); |
| if (class & ATOM_PPLIB_CLASSIFICATION_ACPI) |
| pr_cont(" acpi"); |
| if (class & ATOM_PPLIB_CLASSIFICATION_HD2STATE) |
| pr_cont(" uvd_hd2"); |
| if (class & ATOM_PPLIB_CLASSIFICATION_HDSTATE) |
| pr_cont(" uvd_hd"); |
| if (class & ATOM_PPLIB_CLASSIFICATION_SDSTATE) |
| pr_cont(" uvd_sd"); |
| if (class2 & ATOM_PPLIB_CLASSIFICATION2_LIMITEDPOWERSOURCE_2) |
| pr_cont(" limited_pwr2"); |
| if (class2 & ATOM_PPLIB_CLASSIFICATION2_ULV) |
| pr_cont(" ulv"); |
| if (class2 & ATOM_PPLIB_CLASSIFICATION2_MVC) |
| pr_cont(" uvd_mvc"); |
| } |
| pr_cont("\n"); |
| } |
| |
| void amdgpu_dpm_print_cap_info(u32 caps) |
| { |
| printk("\tcaps:"); |
| if (caps & ATOM_PPLIB_SINGLE_DISPLAY_ONLY) |
| pr_cont(" single_disp"); |
| if (caps & ATOM_PPLIB_SUPPORTS_VIDEO_PLAYBACK) |
| pr_cont(" video"); |
| if (caps & ATOM_PPLIB_DISALLOW_ON_DC) |
| pr_cont(" no_dc"); |
| pr_cont("\n"); |
| } |
| |
| void amdgpu_dpm_print_ps_status(struct amdgpu_device *adev, |
| struct amdgpu_ps *rps) |
| { |
| printk("\tstatus:"); |
| if (rps == adev->pm.dpm.current_ps) |
| pr_cont(" c"); |
| if (rps == adev->pm.dpm.requested_ps) |
| pr_cont(" r"); |
| if (rps == adev->pm.dpm.boot_ps) |
| pr_cont(" b"); |
| pr_cont("\n"); |
| } |
| |
| void amdgpu_dpm_get_active_displays(struct amdgpu_device *adev) |
| { |
| struct drm_device *ddev = adev_to_drm(adev); |
| struct drm_crtc *crtc; |
| struct amdgpu_crtc *amdgpu_crtc; |
| |
| adev->pm.dpm.new_active_crtcs = 0; |
| adev->pm.dpm.new_active_crtc_count = 0; |
| if (adev->mode_info.num_crtc && adev->mode_info.mode_config_initialized) { |
| list_for_each_entry(crtc, |
| &ddev->mode_config.crtc_list, head) { |
| amdgpu_crtc = to_amdgpu_crtc(crtc); |
| if (amdgpu_crtc->enabled) { |
| adev->pm.dpm.new_active_crtcs |= (1 << amdgpu_crtc->crtc_id); |
| adev->pm.dpm.new_active_crtc_count++; |
| } |
| } |
| } |
| } |
| |
| |
| u32 amdgpu_dpm_get_vblank_time(struct amdgpu_device *adev) |
| { |
| struct drm_device *dev = adev_to_drm(adev); |
| struct drm_crtc *crtc; |
| struct amdgpu_crtc *amdgpu_crtc; |
| u32 vblank_in_pixels; |
| u32 vblank_time_us = 0xffffffff; /* if the displays are off, vblank time is max */ |
| |
| if (adev->mode_info.num_crtc && adev->mode_info.mode_config_initialized) { |
| list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
| amdgpu_crtc = to_amdgpu_crtc(crtc); |
| if (crtc->enabled && amdgpu_crtc->enabled && amdgpu_crtc->hw_mode.clock) { |
| vblank_in_pixels = |
| amdgpu_crtc->hw_mode.crtc_htotal * |
| (amdgpu_crtc->hw_mode.crtc_vblank_end - |
| amdgpu_crtc->hw_mode.crtc_vdisplay + |
| (amdgpu_crtc->v_border * 2)); |
| |
| vblank_time_us = vblank_in_pixels * 1000 / amdgpu_crtc->hw_mode.clock; |
| break; |
| } |
| } |
| } |
| |
| return vblank_time_us; |
| } |
| |
| u32 amdgpu_dpm_get_vrefresh(struct amdgpu_device *adev) |
| { |
| struct drm_device *dev = adev_to_drm(adev); |
| struct drm_crtc *crtc; |
| struct amdgpu_crtc *amdgpu_crtc; |
| u32 vrefresh = 0; |
| |
| if (adev->mode_info.num_crtc && adev->mode_info.mode_config_initialized) { |
| list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
| amdgpu_crtc = to_amdgpu_crtc(crtc); |
| if (crtc->enabled && amdgpu_crtc->enabled && amdgpu_crtc->hw_mode.clock) { |
| vrefresh = drm_mode_vrefresh(&amdgpu_crtc->hw_mode); |
| break; |
| } |
| } |
| } |
| |
| return vrefresh; |
| } |
| |
| bool amdgpu_is_internal_thermal_sensor(enum amdgpu_int_thermal_type sensor) |
| { |
| switch (sensor) { |
| case THERMAL_TYPE_RV6XX: |
| case THERMAL_TYPE_RV770: |
| case THERMAL_TYPE_EVERGREEN: |
| case THERMAL_TYPE_SUMO: |
| case THERMAL_TYPE_NI: |
| case THERMAL_TYPE_SI: |
| case THERMAL_TYPE_CI: |
| case THERMAL_TYPE_KV: |
| return true; |
| case THERMAL_TYPE_ADT7473_WITH_INTERNAL: |
| case THERMAL_TYPE_EMC2103_WITH_INTERNAL: |
| return false; /* need special handling */ |
| case THERMAL_TYPE_NONE: |
| case THERMAL_TYPE_EXTERNAL: |
| case THERMAL_TYPE_EXTERNAL_GPIO: |
| default: |
| return false; |
| } |
| } |
| |
| union power_info { |
| struct _ATOM_POWERPLAY_INFO info; |
| struct _ATOM_POWERPLAY_INFO_V2 info_2; |
| struct _ATOM_POWERPLAY_INFO_V3 info_3; |
| struct _ATOM_PPLIB_POWERPLAYTABLE pplib; |
| struct _ATOM_PPLIB_POWERPLAYTABLE2 pplib2; |
| struct _ATOM_PPLIB_POWERPLAYTABLE3 pplib3; |
| struct _ATOM_PPLIB_POWERPLAYTABLE4 pplib4; |
| struct _ATOM_PPLIB_POWERPLAYTABLE5 pplib5; |
| }; |
| |
| union fan_info { |
| struct _ATOM_PPLIB_FANTABLE fan; |
| struct _ATOM_PPLIB_FANTABLE2 fan2; |
| struct _ATOM_PPLIB_FANTABLE3 fan3; |
| }; |
| |
| static int amdgpu_parse_clk_voltage_dep_table(struct amdgpu_clock_voltage_dependency_table *amdgpu_table, |
| ATOM_PPLIB_Clock_Voltage_Dependency_Table *atom_table) |
| { |
| u32 size = atom_table->ucNumEntries * |
| sizeof(struct amdgpu_clock_voltage_dependency_entry); |
| int i; |
| ATOM_PPLIB_Clock_Voltage_Dependency_Record *entry; |
| |
| amdgpu_table->entries = kzalloc(size, GFP_KERNEL); |
| if (!amdgpu_table->entries) |
| return -ENOMEM; |
| |
| entry = &atom_table->entries[0]; |
| for (i = 0; i < atom_table->ucNumEntries; i++) { |
| amdgpu_table->entries[i].clk = le16_to_cpu(entry->usClockLow) | |
| (entry->ucClockHigh << 16); |
| amdgpu_table->entries[i].v = le16_to_cpu(entry->usVoltage); |
| entry = (ATOM_PPLIB_Clock_Voltage_Dependency_Record *) |
| ((u8 *)entry + sizeof(ATOM_PPLIB_Clock_Voltage_Dependency_Record)); |
| } |
| amdgpu_table->count = atom_table->ucNumEntries; |
| |
| return 0; |
| } |
| |
| int amdgpu_get_platform_caps(struct amdgpu_device *adev) |
| { |
| struct amdgpu_mode_info *mode_info = &adev->mode_info; |
| union power_info *power_info; |
| int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo); |
| u16 data_offset; |
| u8 frev, crev; |
| |
| if (!amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL, |
| &frev, &crev, &data_offset)) |
| return -EINVAL; |
| power_info = (union power_info *)(mode_info->atom_context->bios + data_offset); |
| |
| adev->pm.dpm.platform_caps = le32_to_cpu(power_info->pplib.ulPlatformCaps); |
| adev->pm.dpm.backbias_response_time = le16_to_cpu(power_info->pplib.usBackbiasTime); |
| adev->pm.dpm.voltage_response_time = le16_to_cpu(power_info->pplib.usVoltageTime); |
| |
| return 0; |
| } |
| |
| /* sizeof(ATOM_PPLIB_EXTENDEDHEADER) */ |
| #define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V2 12 |
| #define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V3 14 |
| #define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V4 16 |
| #define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V5 18 |
| #define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V6 20 |
| #define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V7 22 |
| #define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V8 24 |
| #define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V9 26 |
| |
| int amdgpu_parse_extended_power_table(struct amdgpu_device *adev) |
| { |
| struct amdgpu_mode_info *mode_info = &adev->mode_info; |
| union power_info *power_info; |
| union fan_info *fan_info; |
| ATOM_PPLIB_Clock_Voltage_Dependency_Table *dep_table; |
| int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo); |
| u16 data_offset; |
| u8 frev, crev; |
| int ret, i; |
| |
| if (!amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL, |
| &frev, &crev, &data_offset)) |
| return -EINVAL; |
| power_info = (union power_info *)(mode_info->atom_context->bios + data_offset); |
| |
| /* fan table */ |
| if (le16_to_cpu(power_info->pplib.usTableSize) >= |
| sizeof(struct _ATOM_PPLIB_POWERPLAYTABLE3)) { |
| if (power_info->pplib3.usFanTableOffset) { |
| fan_info = (union fan_info *)(mode_info->atom_context->bios + data_offset + |
| le16_to_cpu(power_info->pplib3.usFanTableOffset)); |
| adev->pm.dpm.fan.t_hyst = fan_info->fan.ucTHyst; |
| adev->pm.dpm.fan.t_min = le16_to_cpu(fan_info->fan.usTMin); |
| adev->pm.dpm.fan.t_med = le16_to_cpu(fan_info->fan.usTMed); |
| adev->pm.dpm.fan.t_high = le16_to_cpu(fan_info->fan.usTHigh); |
| adev->pm.dpm.fan.pwm_min = le16_to_cpu(fan_info->fan.usPWMMin); |
| adev->pm.dpm.fan.pwm_med = le16_to_cpu(fan_info->fan.usPWMMed); |
| adev->pm.dpm.fan.pwm_high = le16_to_cpu(fan_info->fan.usPWMHigh); |
| if (fan_info->fan.ucFanTableFormat >= 2) |
| adev->pm.dpm.fan.t_max = le16_to_cpu(fan_info->fan2.usTMax); |
| else |
| adev->pm.dpm.fan.t_max = 10900; |
| adev->pm.dpm.fan.cycle_delay = 100000; |
| if (fan_info->fan.ucFanTableFormat >= 3) { |
| adev->pm.dpm.fan.control_mode = fan_info->fan3.ucFanControlMode; |
| adev->pm.dpm.fan.default_max_fan_pwm = |
| le16_to_cpu(fan_info->fan3.usFanPWMMax); |
| adev->pm.dpm.fan.default_fan_output_sensitivity = 4836; |
| adev->pm.dpm.fan.fan_output_sensitivity = |
| le16_to_cpu(fan_info->fan3.usFanOutputSensitivity); |
| } |
| adev->pm.dpm.fan.ucode_fan_control = true; |
| } |
| } |
| |
| /* clock dependancy tables, shedding tables */ |
| if (le16_to_cpu(power_info->pplib.usTableSize) >= |
| sizeof(struct _ATOM_PPLIB_POWERPLAYTABLE4)) { |
| if (power_info->pplib4.usVddcDependencyOnSCLKOffset) { |
| dep_table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *) |
| (mode_info->atom_context->bios + data_offset + |
| le16_to_cpu(power_info->pplib4.usVddcDependencyOnSCLKOffset)); |
| ret = amdgpu_parse_clk_voltage_dep_table(&adev->pm.dpm.dyn_state.vddc_dependency_on_sclk, |
| dep_table); |
| if (ret) { |
| amdgpu_free_extended_power_table(adev); |
| return ret; |
| } |
| } |
| if (power_info->pplib4.usVddciDependencyOnMCLKOffset) { |
| dep_table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *) |
| (mode_info->atom_context->bios + data_offset + |
| le16_to_cpu(power_info->pplib4.usVddciDependencyOnMCLKOffset)); |
| ret = amdgpu_parse_clk_voltage_dep_table(&adev->pm.dpm.dyn_state.vddci_dependency_on_mclk, |
| dep_table); |
| if (ret) { |
| amdgpu_free_extended_power_table(adev); |
| return ret; |
| } |
| } |
| if (power_info->pplib4.usVddcDependencyOnMCLKOffset) { |
| dep_table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *) |
| (mode_info->atom_context->bios + data_offset + |
| le16_to_cpu(power_info->pplib4.usVddcDependencyOnMCLKOffset)); |
| ret = amdgpu_parse_clk_voltage_dep_table(&adev->pm.dpm.dyn_state.vddc_dependency_on_mclk, |
| dep_table); |
| if (ret) { |
| amdgpu_free_extended_power_table(adev); |
| return ret; |
| } |
| } |
| if (power_info->pplib4.usMvddDependencyOnMCLKOffset) { |
| dep_table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *) |
| (mode_info->atom_context->bios + data_offset + |
| le16_to_cpu(power_info->pplib4.usMvddDependencyOnMCLKOffset)); |
| ret = amdgpu_parse_clk_voltage_dep_table(&adev->pm.dpm.dyn_state.mvdd_dependency_on_mclk, |
| dep_table); |
| if (ret) { |
| amdgpu_free_extended_power_table(adev); |
| return ret; |
| } |
| } |
| if (power_info->pplib4.usMaxClockVoltageOnDCOffset) { |
| ATOM_PPLIB_Clock_Voltage_Limit_Table *clk_v = |
| (ATOM_PPLIB_Clock_Voltage_Limit_Table *) |
| (mode_info->atom_context->bios + data_offset + |
| le16_to_cpu(power_info->pplib4.usMaxClockVoltageOnDCOffset)); |
| if (clk_v->ucNumEntries) { |
| adev->pm.dpm.dyn_state.max_clock_voltage_on_dc.sclk = |
| le16_to_cpu(clk_v->entries[0].usSclkLow) | |
| (clk_v->entries[0].ucSclkHigh << 16); |
| adev->pm.dpm.dyn_state.max_clock_voltage_on_dc.mclk = |
| le16_to_cpu(clk_v->entries[0].usMclkLow) | |
| (clk_v->entries[0].ucMclkHigh << 16); |
| adev->pm.dpm.dyn_state.max_clock_voltage_on_dc.vddc = |
| le16_to_cpu(clk_v->entries[0].usVddc); |
| adev->pm.dpm.dyn_state.max_clock_voltage_on_dc.vddci = |
| le16_to_cpu(clk_v->entries[0].usVddci); |
| } |
| } |
| if (power_info->pplib4.usVddcPhaseShedLimitsTableOffset) { |
| ATOM_PPLIB_PhaseSheddingLimits_Table *psl = |
| (ATOM_PPLIB_PhaseSheddingLimits_Table *) |
| (mode_info->atom_context->bios + data_offset + |
| le16_to_cpu(power_info->pplib4.usVddcPhaseShedLimitsTableOffset)); |
| ATOM_PPLIB_PhaseSheddingLimits_Record *entry; |
| |
| adev->pm.dpm.dyn_state.phase_shedding_limits_table.entries = |
| kcalloc(psl->ucNumEntries, |
| sizeof(struct amdgpu_phase_shedding_limits_entry), |
| GFP_KERNEL); |
| if (!adev->pm.dpm.dyn_state.phase_shedding_limits_table.entries) { |
| amdgpu_free_extended_power_table(adev); |
| return -ENOMEM; |
| } |
| |
| entry = &psl->entries[0]; |
| for (i = 0; i < psl->ucNumEntries; i++) { |
| adev->pm.dpm.dyn_state.phase_shedding_limits_table.entries[i].sclk = |
| le16_to_cpu(entry->usSclkLow) | (entry->ucSclkHigh << 16); |
| adev->pm.dpm.dyn_state.phase_shedding_limits_table.entries[i].mclk = |
| le16_to_cpu(entry->usMclkLow) | (entry->ucMclkHigh << 16); |
| adev->pm.dpm.dyn_state.phase_shedding_limits_table.entries[i].voltage = |
| le16_to_cpu(entry->usVoltage); |
| entry = (ATOM_PPLIB_PhaseSheddingLimits_Record *) |
| ((u8 *)entry + sizeof(ATOM_PPLIB_PhaseSheddingLimits_Record)); |
| } |
| adev->pm.dpm.dyn_state.phase_shedding_limits_table.count = |
| psl->ucNumEntries; |
| } |
| } |
| |
| /* cac data */ |
| if (le16_to_cpu(power_info->pplib.usTableSize) >= |
| sizeof(struct _ATOM_PPLIB_POWERPLAYTABLE5)) { |
| adev->pm.dpm.tdp_limit = le32_to_cpu(power_info->pplib5.ulTDPLimit); |
| adev->pm.dpm.near_tdp_limit = le32_to_cpu(power_info->pplib5.ulNearTDPLimit); |
| adev->pm.dpm.near_tdp_limit_adjusted = adev->pm.dpm.near_tdp_limit; |
| adev->pm.dpm.tdp_od_limit = le16_to_cpu(power_info->pplib5.usTDPODLimit); |
| if (adev->pm.dpm.tdp_od_limit) |
| adev->pm.dpm.power_control = true; |
| else |
| adev->pm.dpm.power_control = false; |
| adev->pm.dpm.tdp_adjustment = 0; |
| adev->pm.dpm.sq_ramping_threshold = le32_to_cpu(power_info->pplib5.ulSQRampingThreshold); |
| adev->pm.dpm.cac_leakage = le32_to_cpu(power_info->pplib5.ulCACLeakage); |
| adev->pm.dpm.load_line_slope = le16_to_cpu(power_info->pplib5.usLoadLineSlope); |
| if (power_info->pplib5.usCACLeakageTableOffset) { |
| ATOM_PPLIB_CAC_Leakage_Table *cac_table = |
| (ATOM_PPLIB_CAC_Leakage_Table *) |
| (mode_info->atom_context->bios + data_offset + |
| le16_to_cpu(power_info->pplib5.usCACLeakageTableOffset)); |
| ATOM_PPLIB_CAC_Leakage_Record *entry; |
| u32 size = cac_table->ucNumEntries * sizeof(struct amdgpu_cac_leakage_table); |
| adev->pm.dpm.dyn_state.cac_leakage_table.entries = kzalloc(size, GFP_KERNEL); |
| if (!adev->pm.dpm.dyn_state.cac_leakage_table.entries) { |
| amdgpu_free_extended_power_table(adev); |
| return -ENOMEM; |
| } |
| entry = &cac_table->entries[0]; |
| for (i = 0; i < cac_table->ucNumEntries; i++) { |
| if (adev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_EVV) { |
| adev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc1 = |
| le16_to_cpu(entry->usVddc1); |
| adev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc2 = |
| le16_to_cpu(entry->usVddc2); |
| adev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc3 = |
| le16_to_cpu(entry->usVddc3); |
| } else { |
| adev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc = |
| le16_to_cpu(entry->usVddc); |
| adev->pm.dpm.dyn_state.cac_leakage_table.entries[i].leakage = |
| le32_to_cpu(entry->ulLeakageValue); |
| } |
| entry = (ATOM_PPLIB_CAC_Leakage_Record *) |
| ((u8 *)entry + sizeof(ATOM_PPLIB_CAC_Leakage_Record)); |
| } |
| adev->pm.dpm.dyn_state.cac_leakage_table.count = cac_table->ucNumEntries; |
| } |
| } |
| |
| /* ext tables */ |
| if (le16_to_cpu(power_info->pplib.usTableSize) >= |
| sizeof(struct _ATOM_PPLIB_POWERPLAYTABLE3)) { |
| ATOM_PPLIB_EXTENDEDHEADER *ext_hdr = (ATOM_PPLIB_EXTENDEDHEADER *) |
| (mode_info->atom_context->bios + data_offset + |
| le16_to_cpu(power_info->pplib3.usExtendendedHeaderOffset)); |
| if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V2) && |
| ext_hdr->usVCETableOffset) { |
| VCEClockInfoArray *array = (VCEClockInfoArray *) |
| (mode_info->atom_context->bios + data_offset + |
| le16_to_cpu(ext_hdr->usVCETableOffset) + 1); |
| ATOM_PPLIB_VCE_Clock_Voltage_Limit_Table *limits = |
| (ATOM_PPLIB_VCE_Clock_Voltage_Limit_Table *) |
| (mode_info->atom_context->bios + data_offset + |
| le16_to_cpu(ext_hdr->usVCETableOffset) + 1 + |
| 1 + array->ucNumEntries * sizeof(VCEClockInfo)); |
| ATOM_PPLIB_VCE_State_Table *states = |
| (ATOM_PPLIB_VCE_State_Table *) |
| (mode_info->atom_context->bios + data_offset + |
| le16_to_cpu(ext_hdr->usVCETableOffset) + 1 + |
| 1 + (array->ucNumEntries * sizeof (VCEClockInfo)) + |
| 1 + (limits->numEntries * sizeof(ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record))); |
| ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record *entry; |
| ATOM_PPLIB_VCE_State_Record *state_entry; |
| VCEClockInfo *vce_clk; |
| u32 size = limits->numEntries * |
| sizeof(struct amdgpu_vce_clock_voltage_dependency_entry); |
| adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries = |
| kzalloc(size, GFP_KERNEL); |
| if (!adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries) { |
| amdgpu_free_extended_power_table(adev); |
| return -ENOMEM; |
| } |
| adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.count = |
| limits->numEntries; |
| entry = &limits->entries[0]; |
| state_entry = &states->entries[0]; |
| for (i = 0; i < limits->numEntries; i++) { |
| vce_clk = (VCEClockInfo *) |
| ((u8 *)&array->entries[0] + |
| (entry->ucVCEClockInfoIndex * sizeof(VCEClockInfo))); |
| adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries[i].evclk = |
| le16_to_cpu(vce_clk->usEVClkLow) | (vce_clk->ucEVClkHigh << 16); |
| adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries[i].ecclk = |
| le16_to_cpu(vce_clk->usECClkLow) | (vce_clk->ucECClkHigh << 16); |
| adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries[i].v = |
| le16_to_cpu(entry->usVoltage); |
| entry = (ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record *) |
| ((u8 *)entry + sizeof(ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record)); |
| } |
| adev->pm.dpm.num_of_vce_states = |
| states->numEntries > AMD_MAX_VCE_LEVELS ? |
| AMD_MAX_VCE_LEVELS : states->numEntries; |
| for (i = 0; i < adev->pm.dpm.num_of_vce_states; i++) { |
| vce_clk = (VCEClockInfo *) |
| ((u8 *)&array->entries[0] + |
| (state_entry->ucVCEClockInfoIndex * sizeof(VCEClockInfo))); |
| adev->pm.dpm.vce_states[i].evclk = |
| le16_to_cpu(vce_clk->usEVClkLow) | (vce_clk->ucEVClkHigh << 16); |
| adev->pm.dpm.vce_states[i].ecclk = |
| le16_to_cpu(vce_clk->usECClkLow) | (vce_clk->ucECClkHigh << 16); |
| adev->pm.dpm.vce_states[i].clk_idx = |
| state_entry->ucClockInfoIndex & 0x3f; |
| adev->pm.dpm.vce_states[i].pstate = |
| (state_entry->ucClockInfoIndex & 0xc0) >> 6; |
| state_entry = (ATOM_PPLIB_VCE_State_Record *) |
| ((u8 *)state_entry + sizeof(ATOM_PPLIB_VCE_State_Record)); |
| } |
| } |
| if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V3) && |
| ext_hdr->usUVDTableOffset) { |
| UVDClockInfoArray *array = (UVDClockInfoArray *) |
| (mode_info->atom_context->bios + data_offset + |
| le16_to_cpu(ext_hdr->usUVDTableOffset) + 1); |
| ATOM_PPLIB_UVD_Clock_Voltage_Limit_Table *limits = |
| (ATOM_PPLIB_UVD_Clock_Voltage_Limit_Table *) |
| (mode_info->atom_context->bios + data_offset + |
| le16_to_cpu(ext_hdr->usUVDTableOffset) + 1 + |
| 1 + (array->ucNumEntries * sizeof (UVDClockInfo))); |
| ATOM_PPLIB_UVD_Clock_Voltage_Limit_Record *entry; |
| u32 size = limits->numEntries * |
| sizeof(struct amdgpu_uvd_clock_voltage_dependency_entry); |
| adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries = |
| kzalloc(size, GFP_KERNEL); |
| if (!adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries) { |
| amdgpu_free_extended_power_table(adev); |
| return -ENOMEM; |
| } |
| adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.count = |
| limits->numEntries; |
| entry = &limits->entries[0]; |
| for (i = 0; i < limits->numEntries; i++) { |
| UVDClockInfo *uvd_clk = (UVDClockInfo *) |
| ((u8 *)&array->entries[0] + |
| (entry->ucUVDClockInfoIndex * sizeof(UVDClockInfo))); |
| adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[i].vclk = |
| le16_to_cpu(uvd_clk->usVClkLow) | (uvd_clk->ucVClkHigh << 16); |
| adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[i].dclk = |
| le16_to_cpu(uvd_clk->usDClkLow) | (uvd_clk->ucDClkHigh << 16); |
| adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[i].v = |
| le16_to_cpu(entry->usVoltage); |
| entry = (ATOM_PPLIB_UVD_Clock_Voltage_Limit_Record *) |
| ((u8 *)entry + sizeof(ATOM_PPLIB_UVD_Clock_Voltage_Limit_Record)); |
| } |
| } |
| if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V4) && |
| ext_hdr->usSAMUTableOffset) { |
| ATOM_PPLIB_SAMClk_Voltage_Limit_Table *limits = |
| (ATOM_PPLIB_SAMClk_Voltage_Limit_Table *) |
| (mode_info->atom_context->bios + data_offset + |
| le16_to_cpu(ext_hdr->usSAMUTableOffset) + 1); |
| ATOM_PPLIB_SAMClk_Voltage_Limit_Record *entry; |
| u32 size = limits->numEntries * |
| sizeof(struct amdgpu_clock_voltage_dependency_entry); |
| adev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries = |
| kzalloc(size, GFP_KERNEL); |
| if (!adev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries) { |
| amdgpu_free_extended_power_table(adev); |
| return -ENOMEM; |
| } |
| adev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.count = |
| limits->numEntries; |
| entry = &limits->entries[0]; |
| for (i = 0; i < limits->numEntries; i++) { |
| adev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries[i].clk = |
| le16_to_cpu(entry->usSAMClockLow) | (entry->ucSAMClockHigh << 16); |
| adev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries[i].v = |
| le16_to_cpu(entry->usVoltage); |
| entry = (ATOM_PPLIB_SAMClk_Voltage_Limit_Record *) |
| ((u8 *)entry + sizeof(ATOM_PPLIB_SAMClk_Voltage_Limit_Record)); |
| } |
| } |
| if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V5) && |
| ext_hdr->usPPMTableOffset) { |
| ATOM_PPLIB_PPM_Table *ppm = (ATOM_PPLIB_PPM_Table *) |
| (mode_info->atom_context->bios + data_offset + |
| le16_to_cpu(ext_hdr->usPPMTableOffset)); |
| adev->pm.dpm.dyn_state.ppm_table = |
| kzalloc(sizeof(struct amdgpu_ppm_table), GFP_KERNEL); |
| if (!adev->pm.dpm.dyn_state.ppm_table) { |
| amdgpu_free_extended_power_table(adev); |
| return -ENOMEM; |
| } |
| adev->pm.dpm.dyn_state.ppm_table->ppm_design = ppm->ucPpmDesign; |
| adev->pm.dpm.dyn_state.ppm_table->cpu_core_number = |
| le16_to_cpu(ppm->usCpuCoreNumber); |
| adev->pm.dpm.dyn_state.ppm_table->platform_tdp = |
| le32_to_cpu(ppm->ulPlatformTDP); |
| adev->pm.dpm.dyn_state.ppm_table->small_ac_platform_tdp = |
| le32_to_cpu(ppm->ulSmallACPlatformTDP); |
| adev->pm.dpm.dyn_state.ppm_table->platform_tdc = |
| le32_to_cpu(ppm->ulPlatformTDC); |
| adev->pm.dpm.dyn_state.ppm_table->small_ac_platform_tdc = |
| le32_to_cpu(ppm->ulSmallACPlatformTDC); |
| adev->pm.dpm.dyn_state.ppm_table->apu_tdp = |
| le32_to_cpu(ppm->ulApuTDP); |
| adev->pm.dpm.dyn_state.ppm_table->dgpu_tdp = |
| le32_to_cpu(ppm->ulDGpuTDP); |
| adev->pm.dpm.dyn_state.ppm_table->dgpu_ulv_power = |
| le32_to_cpu(ppm->ulDGpuUlvPower); |
| adev->pm.dpm.dyn_state.ppm_table->tj_max = |
| le32_to_cpu(ppm->ulTjmax); |
| } |
| if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V6) && |
| ext_hdr->usACPTableOffset) { |
| ATOM_PPLIB_ACPClk_Voltage_Limit_Table *limits = |
| (ATOM_PPLIB_ACPClk_Voltage_Limit_Table *) |
| (mode_info->atom_context->bios + data_offset + |
| le16_to_cpu(ext_hdr->usACPTableOffset) + 1); |
| ATOM_PPLIB_ACPClk_Voltage_Limit_Record *entry; |
| u32 size = limits->numEntries * |
| sizeof(struct amdgpu_clock_voltage_dependency_entry); |
| adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries = |
| kzalloc(size, GFP_KERNEL); |
| if (!adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries) { |
| amdgpu_free_extended_power_table(adev); |
| return -ENOMEM; |
| } |
| adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.count = |
| limits->numEntries; |
| entry = &limits->entries[0]; |
| for (i = 0; i < limits->numEntries; i++) { |
| adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries[i].clk = |
| le16_to_cpu(entry->usACPClockLow) | (entry->ucACPClockHigh << 16); |
| adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries[i].v = |
| le16_to_cpu(entry->usVoltage); |
| entry = (ATOM_PPLIB_ACPClk_Voltage_Limit_Record *) |
| ((u8 *)entry + sizeof(ATOM_PPLIB_ACPClk_Voltage_Limit_Record)); |
| } |
| } |
| if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V7) && |
| ext_hdr->usPowerTuneTableOffset) { |
| u8 rev = *(u8 *)(mode_info->atom_context->bios + data_offset + |
| le16_to_cpu(ext_hdr->usPowerTuneTableOffset)); |
| ATOM_PowerTune_Table *pt; |
| adev->pm.dpm.dyn_state.cac_tdp_table = |
| kzalloc(sizeof(struct amdgpu_cac_tdp_table), GFP_KERNEL); |
| if (!adev->pm.dpm.dyn_state.cac_tdp_table) { |
| amdgpu_free_extended_power_table(adev); |
| return -ENOMEM; |
| } |
| if (rev > 0) { |
| ATOM_PPLIB_POWERTUNE_Table_V1 *ppt = (ATOM_PPLIB_POWERTUNE_Table_V1 *) |
| (mode_info->atom_context->bios + data_offset + |
| le16_to_cpu(ext_hdr->usPowerTuneTableOffset)); |
| adev->pm.dpm.dyn_state.cac_tdp_table->maximum_power_delivery_limit = |
| ppt->usMaximumPowerDeliveryLimit; |
| pt = &ppt->power_tune_table; |
| } else { |
| ATOM_PPLIB_POWERTUNE_Table *ppt = (ATOM_PPLIB_POWERTUNE_Table *) |
| (mode_info->atom_context->bios + data_offset + |
| le16_to_cpu(ext_hdr->usPowerTuneTableOffset)); |
| adev->pm.dpm.dyn_state.cac_tdp_table->maximum_power_delivery_limit = 255; |
| pt = &ppt->power_tune_table; |
| } |
| adev->pm.dpm.dyn_state.cac_tdp_table->tdp = le16_to_cpu(pt->usTDP); |
| adev->pm.dpm.dyn_state.cac_tdp_table->configurable_tdp = |
| le16_to_cpu(pt->usConfigurableTDP); |
| adev->pm.dpm.dyn_state.cac_tdp_table->tdc = le16_to_cpu(pt->usTDC); |
| adev->pm.dpm.dyn_state.cac_tdp_table->battery_power_limit = |
| le16_to_cpu(pt->usBatteryPowerLimit); |
| adev->pm.dpm.dyn_state.cac_tdp_table->small_power_limit = |
| le16_to_cpu(pt->usSmallPowerLimit); |
| adev->pm.dpm.dyn_state.cac_tdp_table->low_cac_leakage = |
| le16_to_cpu(pt->usLowCACLeakage); |
| adev->pm.dpm.dyn_state.cac_tdp_table->high_cac_leakage = |
| le16_to_cpu(pt->usHighCACLeakage); |
| } |
| if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V8) && |
| ext_hdr->usSclkVddgfxTableOffset) { |
| dep_table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *) |
| (mode_info->atom_context->bios + data_offset + |
| le16_to_cpu(ext_hdr->usSclkVddgfxTableOffset)); |
| ret = amdgpu_parse_clk_voltage_dep_table( |
| &adev->pm.dpm.dyn_state.vddgfx_dependency_on_sclk, |
| dep_table); |
| if (ret) { |
| kfree(adev->pm.dpm.dyn_state.vddgfx_dependency_on_sclk.entries); |
| return ret; |
| } |
| } |
| } |
| |
| return 0; |
| } |
| |
| void amdgpu_free_extended_power_table(struct amdgpu_device *adev) |
| { |
| struct amdgpu_dpm_dynamic_state *dyn_state = &adev->pm.dpm.dyn_state; |
| |
| kfree(dyn_state->vddc_dependency_on_sclk.entries); |
| kfree(dyn_state->vddci_dependency_on_mclk.entries); |
| kfree(dyn_state->vddc_dependency_on_mclk.entries); |
| kfree(dyn_state->mvdd_dependency_on_mclk.entries); |
| kfree(dyn_state->cac_leakage_table.entries); |
| kfree(dyn_state->phase_shedding_limits_table.entries); |
| kfree(dyn_state->ppm_table); |
| kfree(dyn_state->cac_tdp_table); |
| kfree(dyn_state->vce_clock_voltage_dependency_table.entries); |
| kfree(dyn_state->uvd_clock_voltage_dependency_table.entries); |
| kfree(dyn_state->samu_clock_voltage_dependency_table.entries); |
| kfree(dyn_state->acp_clock_voltage_dependency_table.entries); |
| kfree(dyn_state->vddgfx_dependency_on_sclk.entries); |
| } |
| |
| static const char *pp_lib_thermal_controller_names[] = { |
| "NONE", |
| "lm63", |
| "adm1032", |
| "adm1030", |
| "max6649", |
| "lm64", |
| "f75375", |
| "RV6xx", |
| "RV770", |
| "adt7473", |
| "NONE", |
| "External GPIO", |
| "Evergreen", |
| "emc2103", |
| "Sumo", |
| "Northern Islands", |
| "Southern Islands", |
| "lm96163", |
| "Sea Islands", |
| "Kaveri/Kabini", |
| }; |
| |
| void amdgpu_add_thermal_controller(struct amdgpu_device *adev) |
| { |
| struct amdgpu_mode_info *mode_info = &adev->mode_info; |
| ATOM_PPLIB_POWERPLAYTABLE *power_table; |
| int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo); |
| ATOM_PPLIB_THERMALCONTROLLER *controller; |
| struct amdgpu_i2c_bus_rec i2c_bus; |
| u16 data_offset; |
| u8 frev, crev; |
| |
| if (!amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL, |
| &frev, &crev, &data_offset)) |
| return; |
| power_table = (ATOM_PPLIB_POWERPLAYTABLE *) |
| (mode_info->atom_context->bios + data_offset); |
| controller = &power_table->sThermalController; |
| |
| /* add the i2c bus for thermal/fan chip */ |
| if (controller->ucType > 0) { |
| if (controller->ucFanParameters & ATOM_PP_FANPARAMETERS_NOFAN) |
| adev->pm.no_fan = true; |
| adev->pm.fan_pulses_per_revolution = |
| controller->ucFanParameters & ATOM_PP_FANPARAMETERS_TACHOMETER_PULSES_PER_REVOLUTION_MASK; |
| if (adev->pm.fan_pulses_per_revolution) { |
| adev->pm.fan_min_rpm = controller->ucFanMinRPM; |
| adev->pm.fan_max_rpm = controller->ucFanMaxRPM; |
| } |
| if (controller->ucType == ATOM_PP_THERMALCONTROLLER_RV6xx) { |
| DRM_INFO("Internal thermal controller %s fan control\n", |
| (controller->ucFanParameters & |
| ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with"); |
| adev->pm.int_thermal_type = THERMAL_TYPE_RV6XX; |
| } else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_RV770) { |
| DRM_INFO("Internal thermal controller %s fan control\n", |
| (controller->ucFanParameters & |
| ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with"); |
| adev->pm.int_thermal_type = THERMAL_TYPE_RV770; |
| } else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_EVERGREEN) { |
| DRM_INFO("Internal thermal controller %s fan control\n", |
| (controller->ucFanParameters & |
| ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with"); |
| adev->pm.int_thermal_type = THERMAL_TYPE_EVERGREEN; |
| } else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_SUMO) { |
| DRM_INFO("Internal thermal controller %s fan control\n", |
| (controller->ucFanParameters & |
| ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with"); |
| adev->pm.int_thermal_type = THERMAL_TYPE_SUMO; |
| } else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_NISLANDS) { |
| DRM_INFO("Internal thermal controller %s fan control\n", |
| (controller->ucFanParameters & |
| ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with"); |
| adev->pm.int_thermal_type = THERMAL_TYPE_NI; |
| } else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_SISLANDS) { |
| DRM_INFO("Internal thermal controller %s fan control\n", |
| (controller->ucFanParameters & |
| ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with"); |
| adev->pm.int_thermal_type = THERMAL_TYPE_SI; |
| } else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_CISLANDS) { |
| DRM_INFO("Internal thermal controller %s fan control\n", |
| (controller->ucFanParameters & |
| ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with"); |
| adev->pm.int_thermal_type = THERMAL_TYPE_CI; |
| } else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_KAVERI) { |
| DRM_INFO("Internal thermal controller %s fan control\n", |
| (controller->ucFanParameters & |
| ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with"); |
| adev->pm.int_thermal_type = THERMAL_TYPE_KV; |
| } else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_EXTERNAL_GPIO) { |
| DRM_INFO("External GPIO thermal controller %s fan control\n", |
| (controller->ucFanParameters & |
| ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with"); |
| adev->pm.int_thermal_type = THERMAL_TYPE_EXTERNAL_GPIO; |
| } else if (controller->ucType == |
| ATOM_PP_THERMALCONTROLLER_ADT7473_WITH_INTERNAL) { |
| DRM_INFO("ADT7473 with internal thermal controller %s fan control\n", |
| (controller->ucFanParameters & |
| ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with"); |
| adev->pm.int_thermal_type = THERMAL_TYPE_ADT7473_WITH_INTERNAL; |
| } else if (controller->ucType == |
| ATOM_PP_THERMALCONTROLLER_EMC2103_WITH_INTERNAL) { |
| DRM_INFO("EMC2103 with internal thermal controller %s fan control\n", |
| (controller->ucFanParameters & |
| ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with"); |
| adev->pm.int_thermal_type = THERMAL_TYPE_EMC2103_WITH_INTERNAL; |
| } else if (controller->ucType < ARRAY_SIZE(pp_lib_thermal_controller_names)) { |
| DRM_INFO("Possible %s thermal controller at 0x%02x %s fan control\n", |
| pp_lib_thermal_controller_names[controller->ucType], |
| controller->ucI2cAddress >> 1, |
| (controller->ucFanParameters & |
| ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with"); |
| adev->pm.int_thermal_type = THERMAL_TYPE_EXTERNAL; |
| i2c_bus = amdgpu_atombios_lookup_i2c_gpio(adev, controller->ucI2cLine); |
| adev->pm.i2c_bus = amdgpu_i2c_lookup(adev, &i2c_bus); |
| if (adev->pm.i2c_bus) { |
| struct i2c_board_info info = { }; |
| const char *name = pp_lib_thermal_controller_names[controller->ucType]; |
| info.addr = controller->ucI2cAddress >> 1; |
| strlcpy(info.type, name, sizeof(info.type)); |
| i2c_new_client_device(&adev->pm.i2c_bus->adapter, &info); |
| } |
| } else { |
| DRM_INFO("Unknown thermal controller type %d at 0x%02x %s fan control\n", |
| controller->ucType, |
| controller->ucI2cAddress >> 1, |
| (controller->ucFanParameters & |
| ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with"); |
| } |
| } |
| } |
| |
| enum amdgpu_pcie_gen amdgpu_get_pcie_gen_support(struct amdgpu_device *adev, |
| u32 sys_mask, |
| enum amdgpu_pcie_gen asic_gen, |
| enum amdgpu_pcie_gen default_gen) |
| { |
| switch (asic_gen) { |
| case AMDGPU_PCIE_GEN1: |
| return AMDGPU_PCIE_GEN1; |
| case AMDGPU_PCIE_GEN2: |
| return AMDGPU_PCIE_GEN2; |
| case AMDGPU_PCIE_GEN3: |
| return AMDGPU_PCIE_GEN3; |
| default: |
| if ((sys_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3) && |
| (default_gen == AMDGPU_PCIE_GEN3)) |
| return AMDGPU_PCIE_GEN3; |
| else if ((sys_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2) && |
| (default_gen == AMDGPU_PCIE_GEN2)) |
| return AMDGPU_PCIE_GEN2; |
| else |
| return AMDGPU_PCIE_GEN1; |
| } |
| return AMDGPU_PCIE_GEN1; |
| } |
| |
| struct amd_vce_state* |
| amdgpu_get_vce_clock_state(void *handle, u32 idx) |
| { |
| struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
| |
| if (idx < adev->pm.dpm.num_of_vce_states) |
| return &adev->pm.dpm.vce_states[idx]; |
| |
| return NULL; |
| } |
| |
| int amdgpu_dpm_get_sclk(struct amdgpu_device *adev, bool low) |
| { |
| uint32_t clk_freq; |
| int ret = 0; |
| if (is_support_sw_smu(adev)) { |
| ret = smu_get_dpm_freq_range(&adev->smu, SMU_GFXCLK, |
| low ? &clk_freq : NULL, |
| !low ? &clk_freq : NULL); |
| if (ret) |
| return 0; |
| return clk_freq * 100; |
| |
| } else { |
| return (adev)->powerplay.pp_funcs->get_sclk((adev)->powerplay.pp_handle, (low)); |
| } |
| } |
| |
| int amdgpu_dpm_get_mclk(struct amdgpu_device *adev, bool low) |
| { |
| uint32_t clk_freq; |
| int ret = 0; |
| if (is_support_sw_smu(adev)) { |
| ret = smu_get_dpm_freq_range(&adev->smu, SMU_UCLK, |
| low ? &clk_freq : NULL, |
| !low ? &clk_freq : NULL); |
| if (ret) |
| return 0; |
| return clk_freq * 100; |
| |
| } else { |
| return (adev)->powerplay.pp_funcs->get_mclk((adev)->powerplay.pp_handle, (low)); |
| } |
| } |
| |
| int amdgpu_dpm_set_powergating_by_smu(struct amdgpu_device *adev, uint32_t block_type, bool gate) |
| { |
| int ret = 0; |
| bool swsmu = is_support_sw_smu(adev); |
| |
| switch (block_type) { |
| case AMD_IP_BLOCK_TYPE_UVD: |
| case AMD_IP_BLOCK_TYPE_VCE: |
| if (swsmu) { |
| ret = smu_dpm_set_power_gate(&adev->smu, block_type, gate); |
| } else if (adev->powerplay.pp_funcs && |
| adev->powerplay.pp_funcs->set_powergating_by_smu) { |
| /* |
| * TODO: need a better lock mechanism |
| * |
| * Here adev->pm.mutex lock protection is enforced on |
| * UVD and VCE cases only. Since for other cases, there |
| * may be already lock protection in amdgpu_pm.c. |
| * This is a quick fix for the deadlock issue below. |
| * NFO: task ocltst:2028 blocked for more than 120 seconds. |
| * Tainted: G OE 5.0.0-37-generic #40~18.04.1-Ubuntu |
| * echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. |
| * cltst D 0 2028 2026 0x00000000 |
| * all Trace: |
| * __schedule+0x2c0/0x870 |
| * schedule+0x2c/0x70 |
| * schedule_preempt_disabled+0xe/0x10 |
| * __mutex_lock.isra.9+0x26d/0x4e0 |
| * __mutex_lock_slowpath+0x13/0x20 |
| * ? __mutex_lock_slowpath+0x13/0x20 |
| * mutex_lock+0x2f/0x40 |
| * amdgpu_dpm_set_powergating_by_smu+0x64/0xe0 [amdgpu] |
| * gfx_v8_0_enable_gfx_static_mg_power_gating+0x3c/0x70 [amdgpu] |
| * gfx_v8_0_set_powergating_state+0x66/0x260 [amdgpu] |
| * amdgpu_device_ip_set_powergating_state+0x62/0xb0 [amdgpu] |
| * pp_dpm_force_performance_level+0xe7/0x100 [amdgpu] |
| * amdgpu_set_dpm_forced_performance_level+0x129/0x330 [amdgpu] |
| */ |
| mutex_lock(&adev->pm.mutex); |
| ret = ((adev)->powerplay.pp_funcs->set_powergating_by_smu( |
| (adev)->powerplay.pp_handle, block_type, gate)); |
| mutex_unlock(&adev->pm.mutex); |
| } |
| break; |
| case AMD_IP_BLOCK_TYPE_GFX: |
| case AMD_IP_BLOCK_TYPE_VCN: |
| case AMD_IP_BLOCK_TYPE_SDMA: |
| if (swsmu) |
| ret = smu_dpm_set_power_gate(&adev->smu, block_type, gate); |
| else if (adev->powerplay.pp_funcs && |
| adev->powerplay.pp_funcs->set_powergating_by_smu) |
| ret = ((adev)->powerplay.pp_funcs->set_powergating_by_smu( |
| (adev)->powerplay.pp_handle, block_type, gate)); |
| break; |
| case AMD_IP_BLOCK_TYPE_JPEG: |
| if (swsmu) |
| ret = smu_dpm_set_power_gate(&adev->smu, block_type, gate); |
| break; |
| case AMD_IP_BLOCK_TYPE_GMC: |
| case AMD_IP_BLOCK_TYPE_ACP: |
| if (adev->powerplay.pp_funcs && |
| adev->powerplay.pp_funcs->set_powergating_by_smu) |
| ret = ((adev)->powerplay.pp_funcs->set_powergating_by_smu( |
| (adev)->powerplay.pp_handle, block_type, gate)); |
| break; |
| default: |
| break; |
| } |
| |
| return ret; |
| } |
| |
| int amdgpu_dpm_baco_enter(struct amdgpu_device *adev) |
| { |
| const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs; |
| void *pp_handle = adev->powerplay.pp_handle; |
| struct smu_context *smu = &adev->smu; |
| int ret = 0; |
| |
| if (is_support_sw_smu(adev)) { |
| ret = smu_baco_enter(smu); |
| } else { |
| if (!pp_funcs || !pp_funcs->set_asic_baco_state) |
| return -ENOENT; |
| |
| /* enter BACO state */ |
| ret = pp_funcs->set_asic_baco_state(pp_handle, 1); |
| } |
| |
| return ret; |
| } |
| |
| int amdgpu_dpm_baco_exit(struct amdgpu_device *adev) |
| { |
| const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs; |
| void *pp_handle = adev->powerplay.pp_handle; |
| struct smu_context *smu = &adev->smu; |
| int ret = 0; |
| |
| if (is_support_sw_smu(adev)) { |
| ret = smu_baco_exit(smu); |
| } else { |
| if (!pp_funcs || !pp_funcs->set_asic_baco_state) |
| return -ENOENT; |
| |
| /* exit BACO state */ |
| ret = pp_funcs->set_asic_baco_state(pp_handle, 0); |
| } |
| |
| return ret; |
| } |
| |
| int amdgpu_dpm_set_mp1_state(struct amdgpu_device *adev, |
| enum pp_mp1_state mp1_state) |
| { |
| int ret = 0; |
| |
| if (is_support_sw_smu(adev)) { |
| ret = smu_set_mp1_state(&adev->smu, mp1_state); |
| } else if (adev->powerplay.pp_funcs && |
| adev->powerplay.pp_funcs->set_mp1_state) { |
| ret = adev->powerplay.pp_funcs->set_mp1_state( |
| adev->powerplay.pp_handle, |
| mp1_state); |
| } |
| |
| return ret; |
| } |
| |
| bool amdgpu_dpm_is_baco_supported(struct amdgpu_device *adev) |
| { |
| const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs; |
| void *pp_handle = adev->powerplay.pp_handle; |
| struct smu_context *smu = &adev->smu; |
| bool baco_cap; |
| |
| if (is_support_sw_smu(adev)) { |
| return smu_baco_is_support(smu); |
| } else { |
| if (!pp_funcs || !pp_funcs->get_asic_baco_capability) |
| return false; |
| |
| if (pp_funcs->get_asic_baco_capability(pp_handle, &baco_cap)) |
| return false; |
| |
| return baco_cap ? true : false; |
| } |
| } |
| |
| int amdgpu_dpm_mode2_reset(struct amdgpu_device *adev) |
| { |
| const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs; |
| void *pp_handle = adev->powerplay.pp_handle; |
| struct smu_context *smu = &adev->smu; |
| |
| if (is_support_sw_smu(adev)) { |
| return smu_mode2_reset(smu); |
| } else { |
| if (!pp_funcs || !pp_funcs->asic_reset_mode_2) |
| return -ENOENT; |
| |
| return pp_funcs->asic_reset_mode_2(pp_handle); |
| } |
| } |
| |
| int amdgpu_dpm_baco_reset(struct amdgpu_device *adev) |
| { |
| const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs; |
| void *pp_handle = adev->powerplay.pp_handle; |
| struct smu_context *smu = &adev->smu; |
| int ret = 0; |
| |
| if (is_support_sw_smu(adev)) { |
| ret = smu_baco_enter(smu); |
| if (ret) |
| return ret; |
| |
| ret = smu_baco_exit(smu); |
| if (ret) |
| return ret; |
| } else { |
| if (!pp_funcs |
| || !pp_funcs->set_asic_baco_state) |
| return -ENOENT; |
| |
| /* enter BACO state */ |
| ret = pp_funcs->set_asic_baco_state(pp_handle, 1); |
| if (ret) |
| return ret; |
| |
| /* exit BACO state */ |
| ret = pp_funcs->set_asic_baco_state(pp_handle, 0); |
| if (ret) |
| return ret; |
| } |
| |
| return 0; |
| } |
| |
| bool amdgpu_dpm_is_mode1_reset_supported(struct amdgpu_device *adev) |
| { |
| struct smu_context *smu = &adev->smu; |
| |
| if (is_support_sw_smu(adev)) |
| return smu_mode1_reset_is_support(smu); |
| |
| return false; |
| } |
| |
| int amdgpu_dpm_mode1_reset(struct amdgpu_device *adev) |
| { |
| struct smu_context *smu = &adev->smu; |
| |
| if (is_support_sw_smu(adev)) |
| return smu_mode1_reset(smu); |
| |
| return -EOPNOTSUPP; |
| } |
| |
| int amdgpu_dpm_switch_power_profile(struct amdgpu_device *adev, |
| enum PP_SMC_POWER_PROFILE type, |
| bool en) |
| { |
| int ret = 0; |
| |
| if (is_support_sw_smu(adev)) |
| ret = smu_switch_power_profile(&adev->smu, type, en); |
| else if (adev->powerplay.pp_funcs && |
| adev->powerplay.pp_funcs->switch_power_profile) |
| ret = adev->powerplay.pp_funcs->switch_power_profile( |
| adev->powerplay.pp_handle, type, en); |
| |
| return ret; |
| } |
| |
| int amdgpu_dpm_set_xgmi_pstate(struct amdgpu_device *adev, |
| uint32_t pstate) |
| { |
| int ret = 0; |
| |
| if (is_support_sw_smu(adev)) |
| ret = smu_set_xgmi_pstate(&adev->smu, pstate); |
| else if (adev->powerplay.pp_funcs && |
| adev->powerplay.pp_funcs->set_xgmi_pstate) |
| ret = adev->powerplay.pp_funcs->set_xgmi_pstate(adev->powerplay.pp_handle, |
| pstate); |
| |
| return ret; |
| } |
| |
| int amdgpu_dpm_set_df_cstate(struct amdgpu_device *adev, |
| uint32_t cstate) |
| { |
| int ret = 0; |
| const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs; |
| void *pp_handle = adev->powerplay.pp_handle; |
| struct smu_context *smu = &adev->smu; |
| |
| if (is_support_sw_smu(adev)) |
| ret = smu_set_df_cstate(smu, cstate); |
| else if (pp_funcs && |
| pp_funcs->set_df_cstate) |
| ret = pp_funcs->set_df_cstate(pp_handle, cstate); |
| |
| return ret; |
| } |
| |
| int amdgpu_dpm_allow_xgmi_power_down(struct amdgpu_device *adev, bool en) |
| { |
| struct smu_context *smu = &adev->smu; |
| |
| if (is_support_sw_smu(adev)) |
| return smu_allow_xgmi_power_down(smu, en); |
| |
| return 0; |
| } |
| |
| int amdgpu_dpm_enable_mgpu_fan_boost(struct amdgpu_device *adev) |
| { |
| void *pp_handle = adev->powerplay.pp_handle; |
| const struct amd_pm_funcs *pp_funcs = |
| adev->powerplay.pp_funcs; |
| struct smu_context *smu = &adev->smu; |
| int ret = 0; |
| |
| if (is_support_sw_smu(adev)) |
| ret = smu_enable_mgpu_fan_boost(smu); |
| else if (pp_funcs && pp_funcs->enable_mgpu_fan_boost) |
| ret = pp_funcs->enable_mgpu_fan_boost(pp_handle); |
| |
| return ret; |
| } |
| |
| int amdgpu_dpm_set_clockgating_by_smu(struct amdgpu_device *adev, |
| uint32_t msg_id) |
| { |
| void *pp_handle = adev->powerplay.pp_handle; |
| const struct amd_pm_funcs *pp_funcs = |
| adev->powerplay.pp_funcs; |
| int ret = 0; |
| |
| if (pp_funcs && pp_funcs->set_clockgating_by_smu) |
| ret = pp_funcs->set_clockgating_by_smu(pp_handle, |
| msg_id); |
| |
| return ret; |
| } |
| |
| int amdgpu_dpm_smu_i2c_bus_access(struct amdgpu_device *adev, |
| bool acquire) |
| { |
| void *pp_handle = adev->powerplay.pp_handle; |
| const struct amd_pm_funcs *pp_funcs = |
| adev->powerplay.pp_funcs; |
| int ret = -EOPNOTSUPP; |
| |
| if (pp_funcs && pp_funcs->smu_i2c_bus_access) |
| ret = pp_funcs->smu_i2c_bus_access(pp_handle, |
| acquire); |
| |
| return ret; |
| } |
| |
| void amdgpu_pm_acpi_event_handler(struct amdgpu_device *adev) |
| { |
| if (adev->pm.dpm_enabled) { |
| mutex_lock(&adev->pm.mutex); |
| if (power_supply_is_system_supplied() > 0) |
| adev->pm.ac_power = true; |
| else |
| adev->pm.ac_power = false; |
| if (adev->powerplay.pp_funcs && |
| adev->powerplay.pp_funcs->enable_bapm) |
| amdgpu_dpm_enable_bapm(adev, adev->pm.ac_power); |
| mutex_unlock(&adev->pm.mutex); |
| |
| if (is_support_sw_smu(adev)) |
| smu_set_ac_dc(&adev->smu); |
| } |
| } |
| |
| int amdgpu_dpm_read_sensor(struct amdgpu_device *adev, enum amd_pp_sensors sensor, |
| void *data, uint32_t *size) |
| { |
| int ret = 0; |
| |
| if (!data || !size) |
| return -EINVAL; |
| |
| if (is_support_sw_smu(adev)) |
| ret = smu_read_sensor(&adev->smu, sensor, data, size); |
| else { |
| if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->read_sensor) |
| ret = adev->powerplay.pp_funcs->read_sensor((adev)->powerplay.pp_handle, |
| sensor, data, size); |
| else |
| ret = -EINVAL; |
| } |
| |
| return ret; |
| } |
| |
| void amdgpu_dpm_thermal_work_handler(struct work_struct *work) |
| { |
| struct amdgpu_device *adev = |
| container_of(work, struct amdgpu_device, |
| pm.dpm.thermal.work); |
| /* switch to the thermal state */ |
| enum amd_pm_state_type dpm_state = POWER_STATE_TYPE_INTERNAL_THERMAL; |
| int temp, size = sizeof(temp); |
| |
| if (!adev->pm.dpm_enabled) |
| return; |
| |
| if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_TEMP, |
| (void *)&temp, &size)) { |
| if (temp < adev->pm.dpm.thermal.min_temp) |
| /* switch back the user state */ |
| dpm_state = adev->pm.dpm.user_state; |
| } else { |
| if (adev->pm.dpm.thermal.high_to_low) |
| /* switch back the user state */ |
| dpm_state = adev->pm.dpm.user_state; |
| } |
| mutex_lock(&adev->pm.mutex); |
| if (dpm_state == POWER_STATE_TYPE_INTERNAL_THERMAL) |
| adev->pm.dpm.thermal_active = true; |
| else |
| adev->pm.dpm.thermal_active = false; |
| adev->pm.dpm.state = dpm_state; |
| mutex_unlock(&adev->pm.mutex); |
| |
| amdgpu_pm_compute_clocks(adev); |
| } |
| |
| static struct amdgpu_ps *amdgpu_dpm_pick_power_state(struct amdgpu_device *adev, |
| enum amd_pm_state_type dpm_state) |
| { |
| int i; |
| struct amdgpu_ps *ps; |
| u32 ui_class; |
| bool single_display = (adev->pm.dpm.new_active_crtc_count < 2) ? |
| true : false; |
| |
| /* check if the vblank period is too short to adjust the mclk */ |
| if (single_display && adev->powerplay.pp_funcs->vblank_too_short) { |
| if (amdgpu_dpm_vblank_too_short(adev)) |
| single_display = false; |
| } |
| |
| /* certain older asics have a separare 3D performance state, |
| * so try that first if the user selected performance |
| */ |
| if (dpm_state == POWER_STATE_TYPE_PERFORMANCE) |
| dpm_state = POWER_STATE_TYPE_INTERNAL_3DPERF; |
| /* balanced states don't exist at the moment */ |
| if (dpm_state == POWER_STATE_TYPE_BALANCED) |
| dpm_state = POWER_STATE_TYPE_PERFORMANCE; |
| |
| restart_search: |
| /* Pick the best power state based on current conditions */ |
| for (i = 0; i < adev->pm.dpm.num_ps; i++) { |
| ps = &adev->pm.dpm.ps[i]; |
| ui_class = ps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK; |
| switch (dpm_state) { |
| /* user states */ |
| case POWER_STATE_TYPE_BATTERY: |
| if (ui_class == ATOM_PPLIB_CLASSIFICATION_UI_BATTERY) { |
| if (ps->caps & ATOM_PPLIB_SINGLE_DISPLAY_ONLY) { |
| if (single_display) |
| return ps; |
| } else |
| return ps; |
| } |
| break; |
| case POWER_STATE_TYPE_BALANCED: |
| if (ui_class == ATOM_PPLIB_CLASSIFICATION_UI_BALANCED) { |
| if (ps->caps & ATOM_PPLIB_SINGLE_DISPLAY_ONLY) { |
| if (single_display) |
| return ps; |
| } else |
| return ps; |
| } |
| break; |
| case POWER_STATE_TYPE_PERFORMANCE: |
| if (ui_class == ATOM_PPLIB_CLASSIFICATION_UI_PERFORMANCE) { |
| if (ps->caps & ATOM_PPLIB_SINGLE_DISPLAY_ONLY) { |
| if (single_display) |
| return ps; |
| } else |
| return ps; |
| } |
| break; |
| /* internal states */ |
| case POWER_STATE_TYPE_INTERNAL_UVD: |
| if (adev->pm.dpm.uvd_ps) |
| return adev->pm.dpm.uvd_ps; |
| else |
| break; |
| case POWER_STATE_TYPE_INTERNAL_UVD_SD: |
| if (ps->class & ATOM_PPLIB_CLASSIFICATION_SDSTATE) |
| return ps; |
| break; |
| case POWER_STATE_TYPE_INTERNAL_UVD_HD: |
| if (ps->class & ATOM_PPLIB_CLASSIFICATION_HDSTATE) |
| return ps; |
| break; |
| case POWER_STATE_TYPE_INTERNAL_UVD_HD2: |
| if (ps->class & ATOM_PPLIB_CLASSIFICATION_HD2STATE) |
| return ps; |
| break; |
| case POWER_STATE_TYPE_INTERNAL_UVD_MVC: |
| if (ps->class2 & ATOM_PPLIB_CLASSIFICATION2_MVC) |
| return ps; |
| break; |
| case POWER_STATE_TYPE_INTERNAL_BOOT: |
| return adev->pm.dpm.boot_ps; |
| case POWER_STATE_TYPE_INTERNAL_THERMAL: |
| if (ps->class & ATOM_PPLIB_CLASSIFICATION_THERMAL) |
| return ps; |
| break; |
| case POWER_STATE_TYPE_INTERNAL_ACPI: |
| if (ps->class & ATOM_PPLIB_CLASSIFICATION_ACPI) |
| return ps; |
| break; |
| case POWER_STATE_TYPE_INTERNAL_ULV: |
| if (ps->class2 & ATOM_PPLIB_CLASSIFICATION2_ULV) |
| return ps; |
| break; |
| case POWER_STATE_TYPE_INTERNAL_3DPERF: |
| if (ps->class & ATOM_PPLIB_CLASSIFICATION_3DPERFORMANCE) |
| return ps; |
| break; |
| default: |
| break; |
| } |
| } |
| /* use a fallback state if we didn't match */ |
| switch (dpm_state) { |
| case POWER_STATE_TYPE_INTERNAL_UVD_SD: |
| dpm_state = POWER_STATE_TYPE_INTERNAL_UVD_HD; |
| goto restart_search; |
| case POWER_STATE_TYPE_INTERNAL_UVD_HD: |
| case POWER_STATE_TYPE_INTERNAL_UVD_HD2: |
| case POWER_STATE_TYPE_INTERNAL_UVD_MVC: |
| if (adev->pm.dpm.uvd_ps) { |
| return adev->pm.dpm.uvd_ps; |
| } else { |
| dpm_state = POWER_STATE_TYPE_PERFORMANCE; |
| goto restart_search; |
| } |
| case POWER_STATE_TYPE_INTERNAL_THERMAL: |
| dpm_state = POWER_STATE_TYPE_INTERNAL_ACPI; |
| goto restart_search; |
| case POWER_STATE_TYPE_INTERNAL_ACPI: |
| dpm_state = POWER_STATE_TYPE_BATTERY; |
| goto restart_search; |
| case POWER_STATE_TYPE_BATTERY: |
| case POWER_STATE_TYPE_BALANCED: |
| case POWER_STATE_TYPE_INTERNAL_3DPERF: |
| dpm_state = POWER_STATE_TYPE_PERFORMANCE; |
| goto restart_search; |
| default: |
| break; |
| } |
| |
| return NULL; |
| } |
| |
| static void amdgpu_dpm_change_power_state_locked(struct amdgpu_device *adev) |
| { |
| struct amdgpu_ps *ps; |
| enum amd_pm_state_type dpm_state; |
| int ret; |
| bool equal = false; |
| |
| /* if dpm init failed */ |
| if (!adev->pm.dpm_enabled) |
| return; |
| |
| if (adev->pm.dpm.user_state != adev->pm.dpm.state) { |
| /* add other state override checks here */ |
| if ((!adev->pm.dpm.thermal_active) && |
| (!adev->pm.dpm.uvd_active)) |
| adev->pm.dpm.state = adev->pm.dpm.user_state; |
| } |
| dpm_state = adev->pm.dpm.state; |
| |
| ps = amdgpu_dpm_pick_power_state(adev, dpm_state); |
| if (ps) |
| adev->pm.dpm.requested_ps = ps; |
| else |
| return; |
| |
| if (amdgpu_dpm == 1 && adev->powerplay.pp_funcs->print_power_state) { |
| printk("switching from power state:\n"); |
| amdgpu_dpm_print_power_state(adev, adev->pm.dpm.current_ps); |
| printk("switching to power state:\n"); |
| amdgpu_dpm_print_power_state(adev, adev->pm.dpm.requested_ps); |
| } |
| |
| /* update whether vce is active */ |
| ps->vce_active = adev->pm.dpm.vce_active; |
| if (adev->powerplay.pp_funcs->display_configuration_changed) |
| amdgpu_dpm_display_configuration_changed(adev); |
| |
| ret = amdgpu_dpm_pre_set_power_state(adev); |
| if (ret) |
| return; |
| |
| if (adev->powerplay.pp_funcs->check_state_equal) { |
| if (0 != amdgpu_dpm_check_state_equal(adev, adev->pm.dpm.current_ps, adev->pm.dpm.requested_ps, &equal)) |
| equal = false; |
| } |
| |
| if (equal) |
| return; |
| |
| amdgpu_dpm_set_power_state(adev); |
| amdgpu_dpm_post_set_power_state(adev); |
| |
| adev->pm.dpm.current_active_crtcs = adev->pm.dpm.new_active_crtcs; |
| adev->pm.dpm.current_active_crtc_count = adev->pm.dpm.new_active_crtc_count; |
| |
| if (adev->powerplay.pp_funcs->force_performance_level) { |
| if (adev->pm.dpm.thermal_active) { |
| enum amd_dpm_forced_level level = adev->pm.dpm.forced_level; |
| /* force low perf level for thermal */ |
| amdgpu_dpm_force_performance_level(adev, AMD_DPM_FORCED_LEVEL_LOW); |
| /* save the user's level */ |
| adev->pm.dpm.forced_level = level; |
| } else { |
| /* otherwise, user selected level */ |
| amdgpu_dpm_force_performance_level(adev, adev->pm.dpm.forced_level); |
| } |
| } |
| } |
| |
| void amdgpu_pm_compute_clocks(struct amdgpu_device *adev) |
| { |
| int i = 0; |
| |
| if (!adev->pm.dpm_enabled) |
| return; |
| |
| if (adev->mode_info.num_crtc) |
| amdgpu_display_bandwidth_update(adev); |
| |
| for (i = 0; i < AMDGPU_MAX_RINGS; i++) { |
| struct amdgpu_ring *ring = adev->rings[i]; |
| if (ring && ring->sched.ready) |
| amdgpu_fence_wait_empty(ring); |
| } |
| |
| if (is_support_sw_smu(adev)) { |
| struct smu_dpm_context *smu_dpm = &adev->smu.smu_dpm; |
| smu_handle_task(&adev->smu, |
| smu_dpm->dpm_level, |
| AMD_PP_TASK_DISPLAY_CONFIG_CHANGE, |
| true); |
| } else { |
| if (adev->powerplay.pp_funcs->dispatch_tasks) { |
| if (!amdgpu_device_has_dc_support(adev)) { |
| mutex_lock(&adev->pm.mutex); |
| amdgpu_dpm_get_active_displays(adev); |
| adev->pm.pm_display_cfg.num_display = adev->pm.dpm.new_active_crtc_count; |
| adev->pm.pm_display_cfg.vrefresh = amdgpu_dpm_get_vrefresh(adev); |
| adev->pm.pm_display_cfg.min_vblank_time = amdgpu_dpm_get_vblank_time(adev); |
| /* we have issues with mclk switching with refresh rates over 120 hz on the non-DC code. */ |
| if (adev->pm.pm_display_cfg.vrefresh > 120) |
| adev->pm.pm_display_cfg.min_vblank_time = 0; |
| if (adev->powerplay.pp_funcs->display_configuration_change) |
| adev->powerplay.pp_funcs->display_configuration_change( |
| adev->powerplay.pp_handle, |
| &adev->pm.pm_display_cfg); |
| mutex_unlock(&adev->pm.mutex); |
| } |
| amdgpu_dpm_dispatch_task(adev, AMD_PP_TASK_DISPLAY_CONFIG_CHANGE, NULL); |
| } else { |
| mutex_lock(&adev->pm.mutex); |
| amdgpu_dpm_get_active_displays(adev); |
| amdgpu_dpm_change_power_state_locked(adev); |
| mutex_unlock(&adev->pm.mutex); |
| } |
| } |
| } |
| |
| void amdgpu_dpm_enable_uvd(struct amdgpu_device *adev, bool enable) |
| { |
| int ret = 0; |
| |
| if (adev->family == AMDGPU_FAMILY_SI) { |
| mutex_lock(&adev->pm.mutex); |
| if (enable) { |
| adev->pm.dpm.uvd_active = true; |
| adev->pm.dpm.state = POWER_STATE_TYPE_INTERNAL_UVD; |
| } else { |
| adev->pm.dpm.uvd_active = false; |
| } |
| mutex_unlock(&adev->pm.mutex); |
| |
| amdgpu_pm_compute_clocks(adev); |
| } else { |
| ret = amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_UVD, !enable); |
| if (ret) |
| DRM_ERROR("Dpm %s uvd failed, ret = %d. \n", |
| enable ? "enable" : "disable", ret); |
| |
| /* enable/disable Low Memory PState for UVD (4k videos) */ |
| if (adev->asic_type == CHIP_STONEY && |
| adev->uvd.decode_image_width >= WIDTH_4K) { |
| struct pp_hwmgr *hwmgr = adev->powerplay.pp_handle; |
| |
| if (hwmgr && hwmgr->hwmgr_func && |
| hwmgr->hwmgr_func->update_nbdpm_pstate) |
| hwmgr->hwmgr_func->update_nbdpm_pstate(hwmgr, |
| !enable, |
| true); |
| } |
| } |
| } |
| |
| void amdgpu_dpm_enable_vce(struct amdgpu_device *adev, bool enable) |
| { |
| int ret = 0; |
| |
| if (adev->family == AMDGPU_FAMILY_SI) { |
| mutex_lock(&adev->pm.mutex); |
| if (enable) { |
| adev->pm.dpm.vce_active = true; |
| /* XXX select vce level based on ring/task */ |
| adev->pm.dpm.vce_level = AMD_VCE_LEVEL_AC_ALL; |
| } else { |
| adev->pm.dpm.vce_active = false; |
| } |
| mutex_unlock(&adev->pm.mutex); |
| |
| amdgpu_pm_compute_clocks(adev); |
| } else { |
| ret = amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_VCE, !enable); |
| if (ret) |
| DRM_ERROR("Dpm %s vce failed, ret = %d. \n", |
| enable ? "enable" : "disable", ret); |
| } |
| } |
| |
| void amdgpu_pm_print_power_states(struct amdgpu_device *adev) |
| { |
| int i; |
| |
| if (adev->powerplay.pp_funcs->print_power_state == NULL) |
| return; |
| |
| for (i = 0; i < adev->pm.dpm.num_ps; i++) |
| amdgpu_dpm_print_power_state(adev, &adev->pm.dpm.ps[i]); |
| |
| } |
| |
| void amdgpu_dpm_enable_jpeg(struct amdgpu_device *adev, bool enable) |
| { |
| int ret = 0; |
| |
| ret = amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_JPEG, !enable); |
| if (ret) |
| DRM_ERROR("Dpm %s jpeg failed, ret = %d. \n", |
| enable ? "enable" : "disable", ret); |
| } |
| |
| int amdgpu_pm_load_smu_firmware(struct amdgpu_device *adev, uint32_t *smu_version) |
| { |
| int r; |
| |
| if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->load_firmware) { |
| r = adev->powerplay.pp_funcs->load_firmware(adev->powerplay.pp_handle); |
| if (r) { |
| pr_err("smu firmware loading failed\n"); |
| return r; |
| } |
| *smu_version = adev->pm.fw_version; |
| } |
| return 0; |
| } |
