diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 593 |
1 files changed, 457 insertions, 136 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c index 34471dbaa872..03930313c263 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c @@ -22,7 +22,9 @@ * Authors: Rafał Miłecki <[email protected]> * Alex Deucher <[email protected]> */ -#include <drm/drmP.h> + +#include <drm/drm_debugfs.h> + #include "amdgpu.h" #include "amdgpu_drv.h" #include "amdgpu_pm.h" @@ -31,6 +33,7 @@ #include "amdgpu_smu.h" #include "atom.h" #include <linux/power_supply.h> +#include <linux/pci.h> #include <linux/hwmon.h> #include <linux/hwmon-sysfs.h> #include <linux/nospec.h> @@ -64,9 +67,21 @@ static const struct cg_flag_name clocks[] = { {AMD_CG_SUPPORT_DRM_LS, "Digital Right Management Light Sleep"}, {AMD_CG_SUPPORT_ROM_MGCG, "Rom Medium Grain Clock Gating"}, {AMD_CG_SUPPORT_DF_MGCG, "Data Fabric Medium Grain Clock Gating"}, + + {AMD_CG_SUPPORT_ATHUB_MGCG, "Address Translation Hub Medium Grain Clock Gating"}, + {AMD_CG_SUPPORT_ATHUB_LS, "Address Translation Hub Light Sleep"}, {0, NULL}, }; +static const struct hwmon_temp_label { + enum PP_HWMON_TEMP channel; + const char *label; +} temp_label[] = { + {PP_TEMP_EDGE, "edge"}, + {PP_TEMP_JUNCTION, "junction"}, + {PP_TEMP_MEM, "mem"}, +}; + void amdgpu_pm_acpi_event_handler(struct amdgpu_device *adev) { if (adev->pm.dpm_enabled) { @@ -144,12 +159,16 @@ static ssize_t amdgpu_get_dpm_state(struct device *dev, struct amdgpu_device *adev = ddev->dev_private; enum amd_pm_state_type pm; - if (is_support_sw_smu(adev) && adev->smu.ppt_funcs->get_current_power_state) - pm = amdgpu_smu_get_current_power_state(adev); - else if (adev->powerplay.pp_funcs->get_current_power_state) + if (is_support_sw_smu(adev)) { + if (adev->smu.ppt_funcs->get_current_power_state) + pm = amdgpu_smu_get_current_power_state(adev); + else + pm = adev->pm.dpm.user_state; + } else if (adev->powerplay.pp_funcs->get_current_power_state) { pm = amdgpu_dpm_get_current_power_state(adev); - else + } else { pm = adev->pm.dpm.user_state; + } return snprintf(buf, PAGE_SIZE, "%s\n", (pm == POWER_STATE_TYPE_BATTERY) ? "battery" : @@ -176,7 +195,11 @@ static ssize_t amdgpu_set_dpm_state(struct device *dev, goto fail; } - if (adev->powerplay.pp_funcs->dispatch_tasks) { + if (is_support_sw_smu(adev)) { + mutex_lock(&adev->pm.mutex); + adev->pm.dpm.user_state = state; + mutex_unlock(&adev->pm.mutex); + } else if (adev->powerplay.pp_funcs->dispatch_tasks) { amdgpu_dpm_dispatch_task(adev, AMD_PP_TASK_ENABLE_USER_STATE, &state); } else { mutex_lock(&adev->pm.mutex); @@ -260,8 +283,11 @@ static ssize_t amdgpu_get_dpm_forced_performance_level(struct device *dev, struct amdgpu_device *adev = ddev->dev_private; enum amd_dpm_forced_level level = 0xff; - if ((adev->flags & AMD_IS_PX) && - (ddev->switch_power_state != DRM_SWITCH_POWER_ON)) + if (amdgpu_sriov_vf(adev)) + return 0; + + if ((adev->flags & AMD_IS_PX) && + (ddev->switch_power_state != DRM_SWITCH_POWER_ON)) return snprintf(buf, PAGE_SIZE, "off\n"); if (is_support_sw_smu(adev)) @@ -299,11 +325,6 @@ static ssize_t amdgpu_set_dpm_forced_performance_level(struct device *dev, (ddev->switch_power_state != DRM_SWITCH_POWER_ON)) return -EINVAL; - if (is_support_sw_smu(adev)) - current_level = smu_get_performance_level(&adev->smu); - else if (adev->powerplay.pp_funcs->get_performance_level) - current_level = amdgpu_dpm_get_performance_level(adev); - if (strncmp("low", buf, strlen("low")) == 0) { level = AMD_DPM_FORCED_LEVEL_LOW; } else if (strncmp("high", buf, strlen("high")) == 0) { @@ -327,17 +348,23 @@ static ssize_t amdgpu_set_dpm_forced_performance_level(struct device *dev, goto fail; } - if (amdgpu_sriov_vf(adev)) { - if (amdgim_is_hwperf(adev) && - adev->virt.ops->force_dpm_level) { - mutex_lock(&adev->pm.mutex); - adev->virt.ops->force_dpm_level(adev, level); - mutex_unlock(&adev->pm.mutex); - return count; - } else { - return -EINVAL; + /* handle sriov case here */ + if (amdgpu_sriov_vf(adev)) { + if (amdgim_is_hwperf(adev) && + adev->virt.ops->force_dpm_level) { + mutex_lock(&adev->pm.mutex); + adev->virt.ops->force_dpm_level(adev, level); + mutex_unlock(&adev->pm.mutex); + return count; + } else { + return -EINVAL; } - } + } + + if (is_support_sw_smu(adev)) + current_level = smu_get_performance_level(&adev->smu); + else if (adev->powerplay.pp_funcs->get_performance_level) + current_level = amdgpu_dpm_get_performance_level(adev); if (current_level == level) return count; @@ -353,18 +380,9 @@ static ssize_t amdgpu_set_dpm_forced_performance_level(struct device *dev, } if (is_support_sw_smu(adev)) { - mutex_lock(&adev->pm.mutex); - if (adev->pm.dpm.thermal_active) { - count = -EINVAL; - mutex_unlock(&adev->pm.mutex); - goto fail; - } ret = smu_force_performance_level(&adev->smu, level); if (ret) count = -EINVAL; - else - adev->pm.dpm.forced_level = level; - mutex_unlock(&adev->pm.mutex); } else if (adev->powerplay.pp_funcs->force_performance_level) { mutex_lock(&adev->pm.mutex); if (adev->pm.dpm.thermal_active) { @@ -678,12 +696,12 @@ static ssize_t amdgpu_set_pp_od_clk_voltage(struct device *dev, if (ret) return -EINVAL; } else { - if (adev->powerplay.pp_funcs->odn_edit_dpm_table) + if (adev->powerplay.pp_funcs->odn_edit_dpm_table) { ret = amdgpu_dpm_odn_edit_dpm_table(adev, type, parameter, parameter_size); - - if (ret) - return -EINVAL; + if (ret) + return -EINVAL; + } if (type == PP_OD_COMMIT_DPM_TABLE) { if (adev->powerplay.pp_funcs->dispatch_tasks) { @@ -709,10 +727,10 @@ static ssize_t amdgpu_get_pp_od_clk_voltage(struct device *dev, uint32_t size = 0; if (is_support_sw_smu(adev)) { - size = smu_print_clk_levels(&adev->smu, OD_SCLK, buf); - size += smu_print_clk_levels(&adev->smu, OD_MCLK, buf+size); - size += smu_print_clk_levels(&adev->smu, OD_VDDC_CURVE, buf+size); - size += smu_print_clk_levels(&adev->smu, OD_RANGE, buf+size); + size = smu_print_clk_levels(&adev->smu, SMU_OD_SCLK, buf); + size += smu_print_clk_levels(&adev->smu, SMU_OD_MCLK, buf+size); + size += smu_print_clk_levels(&adev->smu, SMU_OD_VDDC_CURVE, buf+size); + size += smu_print_clk_levels(&adev->smu, SMU_OD_RANGE, buf+size); return size; } else if (adev->powerplay.pp_funcs->print_clock_levels) { size = amdgpu_dpm_print_clock_levels(adev, OD_SCLK, buf); @@ -727,10 +745,10 @@ static ssize_t amdgpu_get_pp_od_clk_voltage(struct device *dev, } /** - * DOC: ppfeatures + * DOC: pp_features * * The amdgpu driver provides a sysfs API for adjusting what powerplay - * features to be enabled. The file ppfeatures is used for this. And + * features to be enabled. The file pp_features is used for this. And * this is only available for Vega10 and later dGPUs. * * Reading back the file will show you the followings: @@ -742,7 +760,7 @@ static ssize_t amdgpu_get_pp_od_clk_voltage(struct device *dev, * the corresponding bit from original ppfeature masks and input the * new ppfeature masks. */ -static ssize_t amdgpu_set_ppfeature_status(struct device *dev, +static ssize_t amdgpu_set_pp_feature_status(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) @@ -758,7 +776,11 @@ static ssize_t amdgpu_set_ppfeature_status(struct device *dev, pr_debug("featuremask = 0x%llx\n", featuremask); - if (adev->powerplay.pp_funcs->set_ppfeature_status) { + if (is_support_sw_smu(adev)) { + ret = smu_sys_set_pp_feature_mask(&adev->smu, featuremask); + if (ret) + return -EINVAL; + } else if (adev->powerplay.pp_funcs->set_ppfeature_status) { ret = amdgpu_dpm_set_ppfeature_status(adev, featuremask); if (ret) return -EINVAL; @@ -767,14 +789,16 @@ static ssize_t amdgpu_set_ppfeature_status(struct device *dev, return count; } -static ssize_t amdgpu_get_ppfeature_status(struct device *dev, +static ssize_t amdgpu_get_pp_feature_status(struct device *dev, struct device_attribute *attr, char *buf) { struct drm_device *ddev = dev_get_drvdata(dev); struct amdgpu_device *adev = ddev->dev_private; - if (adev->powerplay.pp_funcs->get_ppfeature_status) + if (is_support_sw_smu(adev)) { + return smu_sys_get_pp_feature_mask(&adev->smu, buf); + } else if (adev->powerplay.pp_funcs->get_ppfeature_status) return amdgpu_dpm_get_ppfeature_status(adev, buf); return snprintf(buf, PAGE_SIZE, "\n"); @@ -817,7 +841,7 @@ static ssize_t amdgpu_get_pp_dpm_sclk(struct device *dev, return adev->virt.ops->get_pp_clk(adev, PP_SCLK, buf); if (is_support_sw_smu(adev)) - return smu_print_clk_levels(&adev->smu, PP_SCLK, buf); + return smu_print_clk_levels(&adev->smu, SMU_SCLK, buf); else if (adev->powerplay.pp_funcs->print_clock_levels) return amdgpu_dpm_print_clock_levels(adev, PP_SCLK, buf); else @@ -870,12 +894,15 @@ static ssize_t amdgpu_set_pp_dpm_sclk(struct device *dev, int ret; uint32_t mask = 0; + if (amdgpu_sriov_vf(adev)) + return 0; + ret = amdgpu_read_mask(buf, count, &mask); if (ret) return ret; if (is_support_sw_smu(adev)) - ret = smu_force_clk_levels(&adev->smu, PP_SCLK, mask); + ret = smu_force_clk_levels(&adev->smu, SMU_SCLK, mask); else if (adev->powerplay.pp_funcs->force_clock_level) ret = amdgpu_dpm_force_clock_level(adev, PP_SCLK, mask); @@ -892,8 +919,12 @@ static ssize_t amdgpu_get_pp_dpm_mclk(struct device *dev, struct drm_device *ddev = dev_get_drvdata(dev); struct amdgpu_device *adev = ddev->dev_private; + if (amdgpu_sriov_vf(adev) && amdgim_is_hwperf(adev) && + adev->virt.ops->get_pp_clk) + return adev->virt.ops->get_pp_clk(adev, PP_MCLK, buf); + if (is_support_sw_smu(adev)) - return smu_print_clk_levels(&adev->smu, PP_MCLK, buf); + return smu_print_clk_levels(&adev->smu, SMU_MCLK, buf); else if (adev->powerplay.pp_funcs->print_clock_levels) return amdgpu_dpm_print_clock_levels(adev, PP_MCLK, buf); else @@ -910,12 +941,15 @@ static ssize_t amdgpu_set_pp_dpm_mclk(struct device *dev, int ret; uint32_t mask = 0; + if (amdgpu_sriov_vf(adev)) + return 0; + ret = amdgpu_read_mask(buf, count, &mask); if (ret) return ret; if (is_support_sw_smu(adev)) - ret = smu_force_clk_levels(&adev->smu, PP_MCLK, mask); + ret = smu_force_clk_levels(&adev->smu, SMU_MCLK, mask); else if (adev->powerplay.pp_funcs->force_clock_level) ret = amdgpu_dpm_force_clock_level(adev, PP_MCLK, mask); @@ -933,7 +967,7 @@ static ssize_t amdgpu_get_pp_dpm_socclk(struct device *dev, struct amdgpu_device *adev = ddev->dev_private; if (is_support_sw_smu(adev)) - return smu_print_clk_levels(&adev->smu, PP_SOCCLK, buf); + return smu_print_clk_levels(&adev->smu, SMU_SOCCLK, buf); else if (adev->powerplay.pp_funcs->print_clock_levels) return amdgpu_dpm_print_clock_levels(adev, PP_SOCCLK, buf); else @@ -955,7 +989,7 @@ static ssize_t amdgpu_set_pp_dpm_socclk(struct device *dev, return ret; if (is_support_sw_smu(adev)) - ret = smu_force_clk_levels(&adev->smu, PP_SOCCLK, mask); + ret = smu_force_clk_levels(&adev->smu, SMU_SOCCLK, mask); else if (adev->powerplay.pp_funcs->force_clock_level) ret = amdgpu_dpm_force_clock_level(adev, PP_SOCCLK, mask); @@ -973,7 +1007,7 @@ static ssize_t amdgpu_get_pp_dpm_fclk(struct device *dev, struct amdgpu_device *adev = ddev->dev_private; if (is_support_sw_smu(adev)) - return smu_print_clk_levels(&adev->smu, PP_FCLK, buf); + return smu_print_clk_levels(&adev->smu, SMU_FCLK, buf); else if (adev->powerplay.pp_funcs->print_clock_levels) return amdgpu_dpm_print_clock_levels(adev, PP_FCLK, buf); else @@ -995,7 +1029,7 @@ static ssize_t amdgpu_set_pp_dpm_fclk(struct device *dev, return ret; if (is_support_sw_smu(adev)) - ret = smu_force_clk_levels(&adev->smu, PP_FCLK, mask); + ret = smu_force_clk_levels(&adev->smu, SMU_FCLK, mask); else if (adev->powerplay.pp_funcs->force_clock_level) ret = amdgpu_dpm_force_clock_level(adev, PP_FCLK, mask); @@ -1013,7 +1047,7 @@ static ssize_t amdgpu_get_pp_dpm_dcefclk(struct device *dev, struct amdgpu_device *adev = ddev->dev_private; if (is_support_sw_smu(adev)) - return smu_print_clk_levels(&adev->smu, PP_DCEFCLK, buf); + return smu_print_clk_levels(&adev->smu, SMU_DCEFCLK, buf); else if (adev->powerplay.pp_funcs->print_clock_levels) return amdgpu_dpm_print_clock_levels(adev, PP_DCEFCLK, buf); else @@ -1035,7 +1069,7 @@ static ssize_t amdgpu_set_pp_dpm_dcefclk(struct device *dev, return ret; if (is_support_sw_smu(adev)) - ret = smu_force_clk_levels(&adev->smu, PP_DCEFCLK, mask); + ret = smu_force_clk_levels(&adev->smu, SMU_DCEFCLK, mask); else if (adev->powerplay.pp_funcs->force_clock_level) ret = amdgpu_dpm_force_clock_level(adev, PP_DCEFCLK, mask); @@ -1053,7 +1087,7 @@ static ssize_t amdgpu_get_pp_dpm_pcie(struct device *dev, struct amdgpu_device *adev = ddev->dev_private; if (is_support_sw_smu(adev)) - return smu_print_clk_levels(&adev->smu, PP_PCIE, buf); + return smu_print_clk_levels(&adev->smu, SMU_PCIE, buf); else if (adev->powerplay.pp_funcs->print_clock_levels) return amdgpu_dpm_print_clock_levels(adev, PP_PCIE, buf); else @@ -1075,7 +1109,7 @@ static ssize_t amdgpu_set_pp_dpm_pcie(struct device *dev, return ret; if (is_support_sw_smu(adev)) - ret = smu_force_clk_levels(&adev->smu, PP_PCIE, mask); + ret = smu_force_clk_levels(&adev->smu, SMU_PCIE, mask); else if (adev->powerplay.pp_funcs->force_clock_level) ret = amdgpu_dpm_force_clock_level(adev, PP_PCIE, mask); @@ -1094,7 +1128,7 @@ static ssize_t amdgpu_get_pp_sclk_od(struct device *dev, uint32_t value = 0; if (is_support_sw_smu(adev)) - value = smu_get_od_percentage(&(adev->smu), OD_SCLK); + value = smu_get_od_percentage(&(adev->smu), SMU_OD_SCLK); else if (adev->powerplay.pp_funcs->get_sclk_od) value = amdgpu_dpm_get_sclk_od(adev); @@ -1119,7 +1153,7 @@ static ssize_t amdgpu_set_pp_sclk_od(struct device *dev, } if (is_support_sw_smu(adev)) { - value = smu_set_od_percentage(&(adev->smu), OD_SCLK, (uint32_t)value); + value = smu_set_od_percentage(&(adev->smu), SMU_OD_SCLK, (uint32_t)value); } else { if (adev->powerplay.pp_funcs->set_sclk_od) amdgpu_dpm_set_sclk_od(adev, (uint32_t)value); @@ -1145,7 +1179,7 @@ static ssize_t amdgpu_get_pp_mclk_od(struct device *dev, uint32_t value = 0; if (is_support_sw_smu(adev)) - value = smu_get_od_percentage(&(adev->smu), OD_MCLK); + value = smu_get_od_percentage(&(adev->smu), SMU_OD_MCLK); else if (adev->powerplay.pp_funcs->get_mclk_od) value = amdgpu_dpm_get_mclk_od(adev); @@ -1170,7 +1204,7 @@ static ssize_t amdgpu_set_pp_mclk_od(struct device *dev, } if (is_support_sw_smu(adev)) { - value = smu_set_od_percentage(&(adev->smu), OD_MCLK, (uint32_t)value); + value = smu_set_od_percentage(&(adev->smu), SMU_OD_MCLK, (uint32_t)value); } else { if (adev->powerplay.pp_funcs->set_mclk_od) amdgpu_dpm_set_mclk_od(adev, (uint32_t)value); @@ -1303,6 +1337,32 @@ static ssize_t amdgpu_get_busy_percent(struct device *dev, } /** + * DOC: mem_busy_percent + * + * The amdgpu driver provides a sysfs API for reading how busy the VRAM + * is as a percentage. The file mem_busy_percent is used for this. + * The SMU firmware computes a percentage of load based on the + * aggregate activity level in the IP cores. + */ +static ssize_t amdgpu_get_memory_busy_percent(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = ddev->dev_private; + int r, value, size = sizeof(value); + + /* read the IP busy sensor */ + r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_MEM_LOAD, + (void *)&value, &size); + + if (r) + return r; + + return snprintf(buf, PAGE_SIZE, "%d\n", value); +} + +/** * DOC: pcie_bw * * The amdgpu driver provides a sysfs API for estimating how much data @@ -1327,6 +1387,29 @@ static ssize_t amdgpu_get_pcie_bw(struct device *dev, count0, count1, pcie_get_mps(adev->pdev)); } +/** + * DOC: unique_id + * + * The amdgpu driver provides a sysfs API for providing a unique ID for the GPU + * The file unique_id is used for this. + * This will provide a Unique ID that will persist from machine to machine + * + * NOTE: This will only work for GFX9 and newer. This file will be absent + * on unsupported ASICs (GFX8 and older) + */ +static ssize_t amdgpu_get_unique_id(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = ddev->dev_private; + + if (adev->unique_id) + return snprintf(buf, PAGE_SIZE, "%016llx\n", adev->unique_id); + + return 0; +} + static DEVICE_ATTR(power_dpm_state, S_IRUGO | S_IWUSR, amdgpu_get_dpm_state, amdgpu_set_dpm_state); static DEVICE_ATTR(power_dpm_force_performance_level, S_IRUGO | S_IWUSR, amdgpu_get_dpm_forced_performance_level, @@ -1371,10 +1454,13 @@ static DEVICE_ATTR(pp_od_clk_voltage, S_IRUGO | S_IWUSR, amdgpu_set_pp_od_clk_voltage); static DEVICE_ATTR(gpu_busy_percent, S_IRUGO, amdgpu_get_busy_percent, NULL); +static DEVICE_ATTR(mem_busy_percent, S_IRUGO, + amdgpu_get_memory_busy_percent, NULL); static DEVICE_ATTR(pcie_bw, S_IRUGO, amdgpu_get_pcie_bw, NULL); -static DEVICE_ATTR(ppfeatures, S_IRUGO | S_IWUSR, - amdgpu_get_ppfeature_status, - amdgpu_set_ppfeature_status); +static DEVICE_ATTR(pp_features, S_IRUGO | S_IWUSR, + amdgpu_get_pp_feature_status, + amdgpu_set_pp_feature_status); +static DEVICE_ATTR(unique_id, S_IRUGO, amdgpu_get_unique_id, NULL); static ssize_t amdgpu_hwmon_show_temp(struct device *dev, struct device_attribute *attr, @@ -1382,18 +1468,40 @@ static ssize_t amdgpu_hwmon_show_temp(struct device *dev, { struct amdgpu_device *adev = dev_get_drvdata(dev); struct drm_device *ddev = adev->ddev; - int r, temp, size = sizeof(temp); + int channel = to_sensor_dev_attr(attr)->index; + int r, temp = 0, size = sizeof(temp); /* Can't get temperature when the card is off */ if ((adev->flags & AMD_IS_PX) && (ddev->switch_power_state != DRM_SWITCH_POWER_ON)) return -EINVAL; - /* get the temperature */ - r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_TEMP, - (void *)&temp, &size); - if (r) - return r; + if (channel >= PP_TEMP_MAX) + return -EINVAL; + + switch (channel) { + case PP_TEMP_JUNCTION: + /* get current junction temperature */ + r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_HOTSPOT_TEMP, + (void *)&temp, &size); + if (r) + return r; + break; + case PP_TEMP_EDGE: + /* get current edge temperature */ + r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_EDGE_TEMP, + (void *)&temp, &size); + if (r) + return r; + break; + case PP_TEMP_MEM: + /* get current memory temperature */ + r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_MEM_TEMP, + (void *)&temp, &size); + if (r) + return r; + break; + } return snprintf(buf, PAGE_SIZE, "%d\n", temp); } @@ -1414,6 +1522,76 @@ static ssize_t amdgpu_hwmon_show_temp_thresh(struct device *dev, return snprintf(buf, PAGE_SIZE, "%d\n", temp); } +static ssize_t amdgpu_hwmon_show_hotspot_temp_thresh(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct amdgpu_device *adev = dev_get_drvdata(dev); + int hyst = to_sensor_dev_attr(attr)->index; + int temp; + + if (hyst) + temp = adev->pm.dpm.thermal.min_hotspot_temp; + else + temp = adev->pm.dpm.thermal.max_hotspot_crit_temp; + + return snprintf(buf, PAGE_SIZE, "%d\n", temp); +} + +static ssize_t amdgpu_hwmon_show_mem_temp_thresh(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct amdgpu_device *adev = dev_get_drvdata(dev); + int hyst = to_sensor_dev_attr(attr)->index; + int temp; + + if (hyst) + temp = adev->pm.dpm.thermal.min_mem_temp; + else + temp = adev->pm.dpm.thermal.max_mem_crit_temp; + + return snprintf(buf, PAGE_SIZE, "%d\n", temp); +} + +static ssize_t amdgpu_hwmon_show_temp_label(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + int channel = to_sensor_dev_attr(attr)->index; + + if (channel >= PP_TEMP_MAX) + return -EINVAL; + + return snprintf(buf, PAGE_SIZE, "%s\n", temp_label[channel].label); +} + +static ssize_t amdgpu_hwmon_show_temp_emergency(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct amdgpu_device *adev = dev_get_drvdata(dev); + int channel = to_sensor_dev_attr(attr)->index; + int temp = 0; + + if (channel >= PP_TEMP_MAX) + return -EINVAL; + + switch (channel) { + case PP_TEMP_JUNCTION: + temp = adev->pm.dpm.thermal.max_hotspot_emergency_temp; + break; + case PP_TEMP_EDGE: + temp = adev->pm.dpm.thermal.max_edge_emergency_temp; + break; + case PP_TEMP_MEM: + temp = adev->pm.dpm.thermal.max_mem_emergency_temp; + break; + } + + return snprintf(buf, PAGE_SIZE, "%d\n", temp); +} + static ssize_t amdgpu_hwmon_get_pwm1_enable(struct device *dev, struct device_attribute *attr, char *buf) @@ -1446,20 +1624,16 @@ static ssize_t amdgpu_hwmon_set_pwm1_enable(struct device *dev, (adev->ddev->switch_power_state != DRM_SWITCH_POWER_ON)) return -EINVAL; - if (is_support_sw_smu(adev)) { - err = kstrtoint(buf, 10, &value); - if (err) - return err; + err = kstrtoint(buf, 10, &value); + if (err) + return err; + if (is_support_sw_smu(adev)) { smu_set_fan_control_mode(&adev->smu, value); } else { if (!adev->powerplay.pp_funcs->set_fan_control_mode) return -EINVAL; - err = kstrtoint(buf, 10, &value); - if (err) - return err; - amdgpu_dpm_set_fan_control_mode(adev, value); } @@ -1563,7 +1737,7 @@ static ssize_t amdgpu_hwmon_get_fan1_input(struct device *dev, return -EINVAL; if (is_support_sw_smu(adev)) { - err = smu_get_current_rpm(&adev->smu, &speed); + err = smu_get_fan_speed_rpm(&adev->smu, &speed); if (err) return err; } else if (adev->powerplay.pp_funcs->get_fan_speed_rpm) { @@ -1623,7 +1797,7 @@ static ssize_t amdgpu_hwmon_get_fan1_target(struct device *dev, return -EINVAL; if (is_support_sw_smu(adev)) { - err = smu_get_current_rpm(&adev->smu, &rpm); + err = smu_get_fan_speed_rpm(&adev->smu, &rpm); if (err) return err; } else if (adev->powerplay.pp_funcs->get_fan_speed_rpm) { @@ -1879,16 +2053,18 @@ static ssize_t amdgpu_hwmon_set_power_cap(struct device *dev, return err; value = value / 1000000; /* convert to Watt */ + if (is_support_sw_smu(adev)) { - adev->smu.funcs->set_power_limit(&adev->smu, value); + err = smu_set_power_limit(&adev->smu, value); } else if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->set_power_limit) { err = adev->powerplay.pp_funcs->set_power_limit(adev->powerplay.pp_handle, value); - if (err) - return err; } else { - return -EINVAL; + err = -EINVAL; } + if (err) + return err; + return count; } @@ -1906,11 +2082,6 @@ static ssize_t amdgpu_hwmon_show_sclk(struct device *dev, (ddev->switch_power_state != DRM_SWITCH_POWER_ON)) return -EINVAL; - /* sanity check PP is enabled */ - if (!(adev->powerplay.pp_funcs && - adev->powerplay.pp_funcs->read_sensor)) - return -EINVAL; - /* get the sclk */ r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GFX_SCLK, (void *)&sclk, &size); @@ -1941,11 +2112,6 @@ static ssize_t amdgpu_hwmon_show_mclk(struct device *dev, (ddev->switch_power_state != DRM_SWITCH_POWER_ON)) return -EINVAL; - /* sanity check PP is enabled */ - if (!(adev->powerplay.pp_funcs && - adev->powerplay.pp_funcs->read_sensor)) - return -EINVAL; - /* get the sclk */ r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GFX_MCLK, (void *)&mclk, &size); @@ -1983,11 +2149,20 @@ static ssize_t amdgpu_hwmon_show_mclk_label(struct device *dev, * * hwmon interfaces for GPU temperature: * - * - temp1_input: the on die GPU temperature in millidegrees Celsius + * - temp[1-3]_input: the on die GPU temperature in millidegrees Celsius + * - temp2_input and temp3_input are supported on SOC15 dGPUs only * - * - temp1_crit: temperature critical max value in millidegrees Celsius + * - temp[1-3]_label: temperature channel label + * - temp2_label and temp3_label are supported on SOC15 dGPUs only * - * - temp1_crit_hyst: temperature hysteresis for critical limit in millidegrees Celsius + * - temp[1-3]_crit: temperature critical max value in millidegrees Celsius + * - temp2_crit and temp3_crit are supported on SOC15 dGPUs only + * + * - temp[1-3]_crit_hyst: temperature hysteresis for critical limit in millidegrees Celsius + * - temp2_crit_hyst and temp3_crit_hyst are supported on SOC15 dGPUs only + * + * - temp[1-3]_emergency: temperature emergency max value(asic shutdown) in millidegrees Celsius + * - these are supported on SOC15 dGPUs only * * hwmon interfaces for GPU voltage: * @@ -2035,9 +2210,21 @@ static ssize_t amdgpu_hwmon_show_mclk_label(struct device *dev, * */ -static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, amdgpu_hwmon_show_temp, NULL, 0); +static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, amdgpu_hwmon_show_temp, NULL, PP_TEMP_EDGE); static SENSOR_DEVICE_ATTR(temp1_crit, S_IRUGO, amdgpu_hwmon_show_temp_thresh, NULL, 0); static SENSOR_DEVICE_ATTR(temp1_crit_hyst, S_IRUGO, amdgpu_hwmon_show_temp_thresh, NULL, 1); +static SENSOR_DEVICE_ATTR(temp1_emergency, S_IRUGO, amdgpu_hwmon_show_temp_emergency, NULL, PP_TEMP_EDGE); +static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, amdgpu_hwmon_show_temp, NULL, PP_TEMP_JUNCTION); +static SENSOR_DEVICE_ATTR(temp2_crit, S_IRUGO, amdgpu_hwmon_show_hotspot_temp_thresh, NULL, 0); +static SENSOR_DEVICE_ATTR(temp2_crit_hyst, S_IRUGO, amdgpu_hwmon_show_hotspot_temp_thresh, NULL, 1); +static SENSOR_DEVICE_ATTR(temp2_emergency, S_IRUGO, amdgpu_hwmon_show_temp_emergency, NULL, PP_TEMP_JUNCTION); +static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, amdgpu_hwmon_show_temp, NULL, PP_TEMP_MEM); +static SENSOR_DEVICE_ATTR(temp3_crit, S_IRUGO, amdgpu_hwmon_show_mem_temp_thresh, NULL, 0); +static SENSOR_DEVICE_ATTR(temp3_crit_hyst, S_IRUGO, amdgpu_hwmon_show_mem_temp_thresh, NULL, 1); +static SENSOR_DEVICE_ATTR(temp3_emergency, S_IRUGO, amdgpu_hwmon_show_temp_emergency, NULL, PP_TEMP_MEM); +static SENSOR_DEVICE_ATTR(temp1_label, S_IRUGO, amdgpu_hwmon_show_temp_label, NULL, PP_TEMP_EDGE); +static SENSOR_DEVICE_ATTR(temp2_label, S_IRUGO, amdgpu_hwmon_show_temp_label, NULL, PP_TEMP_JUNCTION); +static SENSOR_DEVICE_ATTR(temp3_label, S_IRUGO, amdgpu_hwmon_show_temp_label, NULL, PP_TEMP_MEM); static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, amdgpu_hwmon_get_pwm1, amdgpu_hwmon_set_pwm1, 0); static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, amdgpu_hwmon_get_pwm1_enable, amdgpu_hwmon_set_pwm1_enable, 0); static SENSOR_DEVICE_ATTR(pwm1_min, S_IRUGO, amdgpu_hwmon_get_pwm1_min, NULL, 0); @@ -2064,6 +2251,18 @@ static struct attribute *hwmon_attributes[] = { &sensor_dev_attr_temp1_input.dev_attr.attr, &sensor_dev_attr_temp1_crit.dev_attr.attr, &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr, + &sensor_dev_attr_temp2_input.dev_attr.attr, + &sensor_dev_attr_temp2_crit.dev_attr.attr, + &sensor_dev_attr_temp2_crit_hyst.dev_attr.attr, + &sensor_dev_attr_temp3_input.dev_attr.attr, + &sensor_dev_attr_temp3_crit.dev_attr.attr, + &sensor_dev_attr_temp3_crit_hyst.dev_attr.attr, + &sensor_dev_attr_temp1_emergency.dev_attr.attr, + &sensor_dev_attr_temp2_emergency.dev_attr.attr, + &sensor_dev_attr_temp3_emergency.dev_attr.attr, + &sensor_dev_attr_temp1_label.dev_attr.attr, + &sensor_dev_attr_temp2_label.dev_attr.attr, + &sensor_dev_attr_temp3_label.dev_attr.attr, &sensor_dev_attr_pwm1.dev_attr.attr, &sensor_dev_attr_pwm1_enable.dev_attr.attr, &sensor_dev_attr_pwm1_min.dev_attr.attr, @@ -2150,7 +2349,9 @@ static umode_t hwmon_attributes_visible(struct kobject *kobj, effective_mode &= ~S_IWUSR; } - if ((adev->flags & AMD_IS_APU) && + if (((adev->flags & AMD_IS_APU) || + adev->family == AMDGPU_FAMILY_SI || /* not implemented yet */ + adev->family == AMDGPU_FAMILY_KV) && /* not implemented yet */ (attr == &sensor_dev_attr_power1_average.dev_attr.attr || attr == &sensor_dev_attr_power1_cap_max.dev_attr.attr || attr == &sensor_dev_attr_power1_cap_min.dev_attr.attr|| @@ -2174,6 +2375,12 @@ static umode_t hwmon_attributes_visible(struct kobject *kobj, return 0; } + if ((adev->family == AMDGPU_FAMILY_SI || /* not implemented yet */ + adev->family == AMDGPU_FAMILY_KV) && /* not implemented yet */ + (attr == &sensor_dev_attr_in0_input.dev_attr.attr || + attr == &sensor_dev_attr_in0_label.dev_attr.attr)) + return 0; + /* only APUs have vddnb */ if (!(adev->flags & AMD_IS_APU) && (attr == &sensor_dev_attr_in1_input.dev_attr.attr || @@ -2186,6 +2393,22 @@ static umode_t hwmon_attributes_visible(struct kobject *kobj, attr == &sensor_dev_attr_freq2_label.dev_attr.attr)) return 0; + /* only SOC15 dGPUs support hotspot and mem temperatures */ + if (((adev->flags & AMD_IS_APU) || + adev->asic_type < CHIP_VEGA10) && + (attr == &sensor_dev_attr_temp2_crit.dev_attr.attr || + attr == &sensor_dev_attr_temp2_crit_hyst.dev_attr.attr || + attr == &sensor_dev_attr_temp3_crit.dev_attr.attr || + attr == &sensor_dev_attr_temp3_crit_hyst.dev_attr.attr || + attr == &sensor_dev_attr_temp1_emergency.dev_attr.attr || + attr == &sensor_dev_attr_temp2_emergency.dev_attr.attr || + attr == &sensor_dev_attr_temp3_emergency.dev_attr.attr || + attr == &sensor_dev_attr_temp2_input.dev_attr.attr || + attr == &sensor_dev_attr_temp3_input.dev_attr.attr || + attr == &sensor_dev_attr_temp2_label.dev_attr.attr || + attr == &sensor_dev_attr_temp3_label.dev_attr.attr)) + return 0; + return effective_mode; } @@ -2490,6 +2713,59 @@ void amdgpu_pm_print_power_states(struct amdgpu_device *adev) } +int amdgpu_pm_virt_sysfs_init(struct amdgpu_device *adev) +{ + int ret = 0; + + if (!(amdgpu_sriov_vf(adev) && amdgim_is_hwperf(adev))) + return ret; + + ret = device_create_file(adev->dev, &dev_attr_pp_dpm_sclk); + if (ret) { + DRM_ERROR("failed to create device file pp_dpm_sclk\n"); + return ret; + } + + ret = device_create_file(adev->dev, &dev_attr_pp_dpm_mclk); + if (ret) { + DRM_ERROR("failed to create device file pp_dpm_mclk\n"); + return ret; + } + + ret = device_create_file(adev->dev, &dev_attr_power_dpm_force_performance_level); + if (ret) { + DRM_ERROR("failed to create device file for dpm state\n"); + return ret; + } + + return ret; +} + +void amdgpu_pm_virt_sysfs_fini(struct amdgpu_device *adev) +{ + if (!(amdgpu_sriov_vf(adev) && amdgim_is_hwperf(adev))) + return; + + device_remove_file(adev->dev, &dev_attr_power_dpm_force_performance_level); + device_remove_file(adev->dev, &dev_attr_pp_dpm_sclk); + device_remove_file(adev->dev, &dev_attr_pp_dpm_mclk); +} + +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; +} + int amdgpu_pm_sysfs_init(struct amdgpu_device *adev) { struct pp_hwmgr *hwmgr = adev->powerplay.pp_handle; @@ -2560,10 +2836,12 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev) DRM_ERROR("failed to create device file pp_dpm_socclk\n"); return ret; } - ret = device_create_file(adev->dev, &dev_attr_pp_dpm_dcefclk); - if (ret) { - DRM_ERROR("failed to create device file pp_dpm_dcefclk\n"); - return ret; + if (adev->asic_type != CHIP_ARCTURUS) { + ret = device_create_file(adev->dev, &dev_attr_pp_dpm_dcefclk); + if (ret) { + DRM_ERROR("failed to create device file pp_dpm_dcefclk\n"); + return ret; + } } } if (adev->asic_type >= CHIP_VEGA20) { @@ -2573,10 +2851,12 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev) return ret; } } - ret = device_create_file(adev->dev, &dev_attr_pp_dpm_pcie); - if (ret) { - DRM_ERROR("failed to create device file pp_dpm_pcie\n"); - return ret; + if (adev->asic_type != CHIP_ARCTURUS) { + ret = device_create_file(adev->dev, &dev_attr_pp_dpm_pcie); + if (ret) { + DRM_ERROR("failed to create device file pp_dpm_pcie\n"); + return ret; + } } ret = device_create_file(adev->dev, &dev_attr_pp_sclk_od); if (ret) { @@ -2612,6 +2892,17 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev) "gpu_busy_level\n"); return ret; } + /* APU does not have its own dedicated memory */ + if (!(adev->flags & AMD_IS_APU) && + (adev->asic_type != CHIP_VEGA10)) { + ret = device_create_file(adev->dev, + &dev_attr_mem_busy_percent); + if (ret) { + DRM_ERROR("failed to create device file " + "mem_busy_percent\n"); + return ret; + } + } /* PCIe Perf counters won't work on APU nodes */ if (!(adev->flags & AMD_IS_APU)) { ret = device_create_file(adev->dev, &dev_attr_pcie_bw); @@ -2620,6 +2911,12 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev) return ret; } } + if (adev->unique_id) + ret = device_create_file(adev->dev, &dev_attr_unique_id); + if (ret) { + DRM_ERROR("failed to create device file unique_id\n"); + return ret; + } ret = amdgpu_debugfs_pm_init(adev); if (ret) { DRM_ERROR("Failed to register debugfs file for dpm!\n"); @@ -2629,10 +2926,10 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev) if ((adev->asic_type >= CHIP_VEGA10) && !(adev->flags & AMD_IS_APU)) { ret = device_create_file(adev->dev, - &dev_attr_ppfeatures); + &dev_attr_pp_features); if (ret) { DRM_ERROR("failed to create device file " - "ppfeatures\n"); + "pp_features\n"); return ret; } } @@ -2663,9 +2960,11 @@ void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev) device_remove_file(adev->dev, &dev_attr_pp_dpm_mclk); if (adev->asic_type >= CHIP_VEGA10) { device_remove_file(adev->dev, &dev_attr_pp_dpm_socclk); - device_remove_file(adev->dev, &dev_attr_pp_dpm_dcefclk); + if (adev->asic_type != CHIP_ARCTURUS) + device_remove_file(adev->dev, &dev_attr_pp_dpm_dcefclk); } - device_remove_file(adev->dev, &dev_attr_pp_dpm_pcie); + if (adev->asic_type != CHIP_ARCTURUS) + device_remove_file(adev->dev, &dev_attr_pp_dpm_pcie); if (adev->asic_type >= CHIP_VEGA20) device_remove_file(adev->dev, &dev_attr_pp_dpm_fclk); device_remove_file(adev->dev, &dev_attr_pp_sclk_od); @@ -2677,11 +2976,16 @@ void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev) device_remove_file(adev->dev, &dev_attr_pp_od_clk_voltage); device_remove_file(adev->dev, &dev_attr_gpu_busy_percent); + if (!(adev->flags & AMD_IS_APU) && + (adev->asic_type != CHIP_VEGA10)) + device_remove_file(adev->dev, &dev_attr_mem_busy_percent); if (!(adev->flags & AMD_IS_APU)) device_remove_file(adev->dev, &dev_attr_pcie_bw); + if (adev->unique_id) + device_remove_file(adev->dev, &dev_attr_unique_id); if ((adev->asic_type >= CHIP_VEGA10) && !(adev->flags & AMD_IS_APU)) - device_remove_file(adev->dev, &dev_attr_ppfeatures); + device_remove_file(adev->dev, &dev_attr_pp_features); } void amdgpu_pm_compute_clocks(struct amdgpu_device *adev) @@ -2701,13 +3005,10 @@ void amdgpu_pm_compute_clocks(struct amdgpu_device *adev) } if (is_support_sw_smu(adev)) { - struct smu_context *smu = &adev->smu; struct smu_dpm_context *smu_dpm = &adev->smu.smu_dpm; - mutex_lock(&(smu->mutex)); smu_handle_task(&adev->smu, smu_dpm->dpm_level, AMD_PP_TASK_DISPLAY_CONFIG_CHANGE); - mutex_unlock(&(smu->mutex)); } else { if (adev->powerplay.pp_funcs->dispatch_tasks) { if (!amdgpu_device_has_dc_support(adev)) { @@ -2775,34 +3076,54 @@ static int amdgpu_debugfs_pm_info_pp(struct seq_file *m, struct amdgpu_device *a /* GPU Load */ if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_LOAD, (void *)&value, &size)) seq_printf(m, "GPU Load: %u %%\n", value); + /* MEM Load */ + if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_MEM_LOAD, (void *)&value, &size)) + seq_printf(m, "MEM Load: %u %%\n", value); + seq_printf(m, "\n"); /* SMC feature mask */ if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_ENABLED_SMC_FEATURES_MASK, (void *)&value64, &size)) seq_printf(m, "SMC Feature Mask: 0x%016llx\n", value64); - /* UVD clocks */ - if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_POWER, (void *)&value, &size)) { - if (!value) { - seq_printf(m, "UVD: Disabled\n"); - } else { - seq_printf(m, "UVD: Enabled\n"); - if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_DCLK, (void *)&value, &size)) - seq_printf(m, "\t%u MHz (DCLK)\n", value/100); - if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_VCLK, (void *)&value, &size)) - seq_printf(m, "\t%u MHz (VCLK)\n", value/100); + if (adev->asic_type > CHIP_VEGA20) { + /* VCN clocks */ + if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VCN_POWER_STATE, (void *)&value, &size)) { + if (!value) { + seq_printf(m, "VCN: Disabled\n"); + } else { + seq_printf(m, "VCN: Enabled\n"); + if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_DCLK, (void *)&value, &size)) + seq_printf(m, "\t%u MHz (DCLK)\n", value/100); + if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_VCLK, (void *)&value, &size)) + seq_printf(m, "\t%u MHz (VCLK)\n", value/100); + } } - } - seq_printf(m, "\n"); + seq_printf(m, "\n"); + } else { + /* UVD clocks */ + if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_POWER, (void *)&value, &size)) { + if (!value) { + seq_printf(m, "UVD: Disabled\n"); + } else { + seq_printf(m, "UVD: Enabled\n"); + if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_DCLK, (void *)&value, &size)) + seq_printf(m, "\t%u MHz (DCLK)\n", value/100); + if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_VCLK, (void *)&value, &size)) + seq_printf(m, "\t%u MHz (VCLK)\n", value/100); + } + } + seq_printf(m, "\n"); - /* VCE clocks */ - if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VCE_POWER, (void *)&value, &size)) { - if (!value) { - seq_printf(m, "VCE: Disabled\n"); - } else { - seq_printf(m, "VCE: Enabled\n"); - if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VCE_ECCLK, (void *)&value, &size)) - seq_printf(m, "\t%u MHz (ECCLK)\n", value/100); + /* VCE clocks */ + if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VCE_POWER, (void *)&value, &size)) { + if (!value) { + seq_printf(m, "VCE: Disabled\n"); + } else { + seq_printf(m, "VCE: Enabled\n"); + if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VCE_ECCLK, (void *)&value, &size)) + seq_printf(m, "\t%u MHz (ECCLK)\n", value/100); + } } } |