diff options
Diffstat (limited to 'drivers/gpu/drm/amd/pm/amdgpu_dpm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/amdgpu_dpm.c | 1689 |
1 files changed, 1689 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_dpm.c b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c new file mode 100644 index 000000000000..e480b54f6545 --- /dev/null +++ b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c @@ -0,0 +1,1689 @@ +/* + * 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->ddev; + 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->ddev; + 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->ddev; + 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; + + dev_info(adev->dev, "GPU BACO reset\n"); + + 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; +} |