diff options
Diffstat (limited to 'drivers/gpu/drm/amd/pm/amdgpu_pm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/amdgpu_pm.c | 3629 |
1 files changed, 3629 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c new file mode 100644 index 000000000000..529816637c73 --- /dev/null +++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c @@ -0,0 +1,3629 @@ +/* + * Copyright 2017 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: Rafał Miłecki <zajec5@gmail.com> + * Alex Deucher <alexdeucher@gmail.com> + */ + +#include <drm/drm_debugfs.h> + +#include "amdgpu.h" +#include "amdgpu_drv.h" +#include "amdgpu_pm.h" +#include "amdgpu_dpm.h" +#include "amdgpu_smu.h" +#include "atom.h" +#include <linux/pci.h> +#include <linux/hwmon.h> +#include <linux/hwmon-sysfs.h> +#include <linux/nospec.h> +#include <linux/pm_runtime.h> +#include "hwmgr.h" + +static const struct cg_flag_name clocks[] = { + {AMD_CG_SUPPORT_GFX_MGCG, "Graphics Medium Grain Clock Gating"}, + {AMD_CG_SUPPORT_GFX_MGLS, "Graphics Medium Grain memory Light Sleep"}, + {AMD_CG_SUPPORT_GFX_CGCG, "Graphics Coarse Grain Clock Gating"}, + {AMD_CG_SUPPORT_GFX_CGLS, "Graphics Coarse Grain memory Light Sleep"}, + {AMD_CG_SUPPORT_GFX_CGTS, "Graphics Coarse Grain Tree Shader Clock Gating"}, + {AMD_CG_SUPPORT_GFX_CGTS_LS, "Graphics Coarse Grain Tree Shader Light Sleep"}, + {AMD_CG_SUPPORT_GFX_CP_LS, "Graphics Command Processor Light Sleep"}, + {AMD_CG_SUPPORT_GFX_RLC_LS, "Graphics Run List Controller Light Sleep"}, + {AMD_CG_SUPPORT_GFX_3D_CGCG, "Graphics 3D Coarse Grain Clock Gating"}, + {AMD_CG_SUPPORT_GFX_3D_CGLS, "Graphics 3D Coarse Grain memory Light Sleep"}, + {AMD_CG_SUPPORT_MC_LS, "Memory Controller Light Sleep"}, + {AMD_CG_SUPPORT_MC_MGCG, "Memory Controller Medium Grain Clock Gating"}, + {AMD_CG_SUPPORT_SDMA_LS, "System Direct Memory Access Light Sleep"}, + {AMD_CG_SUPPORT_SDMA_MGCG, "System Direct Memory Access Medium Grain Clock Gating"}, + {AMD_CG_SUPPORT_BIF_MGCG, "Bus Interface Medium Grain Clock Gating"}, + {AMD_CG_SUPPORT_BIF_LS, "Bus Interface Light Sleep"}, + {AMD_CG_SUPPORT_UVD_MGCG, "Unified Video Decoder Medium Grain Clock Gating"}, + {AMD_CG_SUPPORT_VCE_MGCG, "Video Compression Engine Medium Grain Clock Gating"}, + {AMD_CG_SUPPORT_HDP_LS, "Host Data Path Light Sleep"}, + {AMD_CG_SUPPORT_HDP_MGCG, "Host Data Path Medium Grain Clock Gating"}, + {AMD_CG_SUPPORT_DRM_MGCG, "Digital Right Management Medium Grain Clock Gating"}, + {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"}, +}; + +/** + * DOC: power_dpm_state + * + * The power_dpm_state file is a legacy interface and is only provided for + * backwards compatibility. The amdgpu driver provides a sysfs API for adjusting + * certain power related parameters. The file power_dpm_state is used for this. + * It accepts the following arguments: + * + * - battery + * + * - balanced + * + * - performance + * + * battery + * + * On older GPUs, the vbios provided a special power state for battery + * operation. Selecting battery switched to this state. This is no + * longer provided on newer GPUs so the option does nothing in that case. + * + * balanced + * + * On older GPUs, the vbios provided a special power state for balanced + * operation. Selecting balanced switched to this state. This is no + * longer provided on newer GPUs so the option does nothing in that case. + * + * performance + * + * On older GPUs, the vbios provided a special power state for performance + * operation. Selecting performance switched to this state. This is no + * longer provided on newer GPUs so the option does nothing in that case. + * + */ + +static ssize_t amdgpu_get_power_dpm_state(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + enum amd_pm_state_type pm; + int ret; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + ret = pm_runtime_get_sync(ddev->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(ddev->dev); + return ret; + } + + if (is_support_sw_smu(adev)) { + if (adev->smu.ppt_funcs->get_current_power_state) + pm = smu_get_current_power_state(&adev->smu); + 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 { + pm = adev->pm.dpm.user_state; + } + + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + + return snprintf(buf, PAGE_SIZE, "%s\n", + (pm == POWER_STATE_TYPE_BATTERY) ? "battery" : + (pm == POWER_STATE_TYPE_BALANCED) ? "balanced" : "performance"); +} + +static ssize_t amdgpu_set_power_dpm_state(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + enum amd_pm_state_type state; + int ret; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + if (strncmp("battery", buf, strlen("battery")) == 0) + state = POWER_STATE_TYPE_BATTERY; + else if (strncmp("balanced", buf, strlen("balanced")) == 0) + state = POWER_STATE_TYPE_BALANCED; + else if (strncmp("performance", buf, strlen("performance")) == 0) + state = POWER_STATE_TYPE_PERFORMANCE; + else + return -EINVAL; + + ret = pm_runtime_get_sync(ddev->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(ddev->dev); + return ret; + } + + 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); + adev->pm.dpm.user_state = state; + mutex_unlock(&adev->pm.mutex); + + amdgpu_pm_compute_clocks(adev); + } + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + + return count; +} + + +/** + * DOC: power_dpm_force_performance_level + * + * The amdgpu driver provides a sysfs API for adjusting certain power + * related parameters. The file power_dpm_force_performance_level is + * used for this. It accepts the following arguments: + * + * - auto + * + * - low + * + * - high + * + * - manual + * + * - profile_standard + * + * - profile_min_sclk + * + * - profile_min_mclk + * + * - profile_peak + * + * auto + * + * When auto is selected, the driver will attempt to dynamically select + * the optimal power profile for current conditions in the driver. + * + * low + * + * When low is selected, the clocks are forced to the lowest power state. + * + * high + * + * When high is selected, the clocks are forced to the highest power state. + * + * manual + * + * When manual is selected, the user can manually adjust which power states + * are enabled for each clock domain via the sysfs pp_dpm_mclk, pp_dpm_sclk, + * and pp_dpm_pcie files and adjust the power state transition heuristics + * via the pp_power_profile_mode sysfs file. + * + * profile_standard + * profile_min_sclk + * profile_min_mclk + * profile_peak + * + * When the profiling modes are selected, clock and power gating are + * disabled and the clocks are set for different profiling cases. This + * mode is recommended for profiling specific work loads where you do + * not want clock or power gating for clock fluctuation to interfere + * with your results. profile_standard sets the clocks to a fixed clock + * level which varies from asic to asic. profile_min_sclk forces the sclk + * to the lowest level. profile_min_mclk forces the mclk to the lowest level. + * profile_peak sets all clocks (mclk, sclk, pcie) to the highest levels. + * + */ + +static ssize_t amdgpu_get_power_dpm_force_performance_level(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + enum amd_dpm_forced_level level = 0xff; + int ret; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + ret = pm_runtime_get_sync(ddev->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(ddev->dev); + return ret; + } + + if (is_support_sw_smu(adev)) + level = smu_get_performance_level(&adev->smu); + else if (adev->powerplay.pp_funcs->get_performance_level) + level = amdgpu_dpm_get_performance_level(adev); + else + level = adev->pm.dpm.forced_level; + + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + + return snprintf(buf, PAGE_SIZE, "%s\n", + (level == AMD_DPM_FORCED_LEVEL_AUTO) ? "auto" : + (level == AMD_DPM_FORCED_LEVEL_LOW) ? "low" : + (level == AMD_DPM_FORCED_LEVEL_HIGH) ? "high" : + (level == AMD_DPM_FORCED_LEVEL_MANUAL) ? "manual" : + (level == AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD) ? "profile_standard" : + (level == AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK) ? "profile_min_sclk" : + (level == AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK) ? "profile_min_mclk" : + (level == AMD_DPM_FORCED_LEVEL_PROFILE_PEAK) ? "profile_peak" : + "unknown"); +} + +static ssize_t amdgpu_set_power_dpm_force_performance_level(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + enum amd_dpm_forced_level level; + enum amd_dpm_forced_level current_level = 0xff; + int ret = 0; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + if (strncmp("low", buf, strlen("low")) == 0) { + level = AMD_DPM_FORCED_LEVEL_LOW; + } else if (strncmp("high", buf, strlen("high")) == 0) { + level = AMD_DPM_FORCED_LEVEL_HIGH; + } else if (strncmp("auto", buf, strlen("auto")) == 0) { + level = AMD_DPM_FORCED_LEVEL_AUTO; + } else if (strncmp("manual", buf, strlen("manual")) == 0) { + level = AMD_DPM_FORCED_LEVEL_MANUAL; + } else if (strncmp("profile_exit", buf, strlen("profile_exit")) == 0) { + level = AMD_DPM_FORCED_LEVEL_PROFILE_EXIT; + } else if (strncmp("profile_standard", buf, strlen("profile_standard")) == 0) { + level = AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD; + } else if (strncmp("profile_min_sclk", buf, strlen("profile_min_sclk")) == 0) { + level = AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK; + } else if (strncmp("profile_min_mclk", buf, strlen("profile_min_mclk")) == 0) { + level = AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK; + } else if (strncmp("profile_peak", buf, strlen("profile_peak")) == 0) { + level = AMD_DPM_FORCED_LEVEL_PROFILE_PEAK; + } else { + return -EINVAL; + } + + ret = pm_runtime_get_sync(ddev->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(ddev->dev); + return ret; + } + + 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) { + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + return count; + } + + if (adev->asic_type == CHIP_RAVEN) { + if (!(adev->apu_flags & AMD_APU_IS_RAVEN2)) { + if (current_level != AMD_DPM_FORCED_LEVEL_MANUAL && level == AMD_DPM_FORCED_LEVEL_MANUAL) + amdgpu_gfx_off_ctrl(adev, false); + else if (current_level == AMD_DPM_FORCED_LEVEL_MANUAL && level != AMD_DPM_FORCED_LEVEL_MANUAL) + amdgpu_gfx_off_ctrl(adev, true); + } + } + + /* profile_exit setting is valid only when current mode is in profile mode */ + if (!(current_level & (AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD | + AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK | + AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK | + AMD_DPM_FORCED_LEVEL_PROFILE_PEAK)) && + (level == AMD_DPM_FORCED_LEVEL_PROFILE_EXIT)) { + pr_err("Currently not in any profile mode!\n"); + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + return -EINVAL; + } + + if (is_support_sw_smu(adev)) { + ret = smu_force_performance_level(&adev->smu, level); + if (ret) { + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + return -EINVAL; + } + } else if (adev->powerplay.pp_funcs->force_performance_level) { + mutex_lock(&adev->pm.mutex); + if (adev->pm.dpm.thermal_active) { + mutex_unlock(&adev->pm.mutex); + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + return -EINVAL; + } + ret = amdgpu_dpm_force_performance_level(adev, level); + if (ret) { + mutex_unlock(&adev->pm.mutex); + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + return -EINVAL; + } else { + adev->pm.dpm.forced_level = level; + } + mutex_unlock(&adev->pm.mutex); + } + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + + return count; +} + +static ssize_t amdgpu_get_pp_num_states(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + struct pp_states_info data; + int i, buf_len, ret; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + ret = pm_runtime_get_sync(ddev->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(ddev->dev); + return ret; + } + + if (is_support_sw_smu(adev)) { + ret = smu_get_power_num_states(&adev->smu, &data); + if (ret) + return ret; + } else if (adev->powerplay.pp_funcs->get_pp_num_states) { + amdgpu_dpm_get_pp_num_states(adev, &data); + } else { + memset(&data, 0, sizeof(data)); + } + + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + + buf_len = snprintf(buf, PAGE_SIZE, "states: %d\n", data.nums); + for (i = 0; i < data.nums; i++) + buf_len += snprintf(buf + buf_len, PAGE_SIZE, "%d %s\n", i, + (data.states[i] == POWER_STATE_TYPE_INTERNAL_BOOT) ? "boot" : + (data.states[i] == POWER_STATE_TYPE_BATTERY) ? "battery" : + (data.states[i] == POWER_STATE_TYPE_BALANCED) ? "balanced" : + (data.states[i] == POWER_STATE_TYPE_PERFORMANCE) ? "performance" : "default"); + + return buf_len; +} + +static ssize_t amdgpu_get_pp_cur_state(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + struct pp_states_info data; + struct smu_context *smu = &adev->smu; + enum amd_pm_state_type pm = 0; + int i = 0, ret = 0; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + ret = pm_runtime_get_sync(ddev->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(ddev->dev); + return ret; + } + + if (is_support_sw_smu(adev)) { + pm = smu_get_current_power_state(smu); + ret = smu_get_power_num_states(smu, &data); + if (ret) + return ret; + } else if (adev->powerplay.pp_funcs->get_current_power_state + && adev->powerplay.pp_funcs->get_pp_num_states) { + pm = amdgpu_dpm_get_current_power_state(adev); + amdgpu_dpm_get_pp_num_states(adev, &data); + } + + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + + for (i = 0; i < data.nums; i++) { + if (pm == data.states[i]) + break; + } + + if (i == data.nums) + i = -EINVAL; + + return snprintf(buf, PAGE_SIZE, "%d\n", i); +} + +static ssize_t amdgpu_get_pp_force_state(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + + if (amdgpu_in_reset(adev)) + return -EPERM; + + if (adev->pp_force_state_enabled) + return amdgpu_get_pp_cur_state(dev, attr, buf); + else + return snprintf(buf, PAGE_SIZE, "\n"); +} + +static ssize_t amdgpu_set_pp_force_state(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + enum amd_pm_state_type state = 0; + unsigned long idx; + int ret; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + if (strlen(buf) == 1) + adev->pp_force_state_enabled = false; + else if (is_support_sw_smu(adev)) + adev->pp_force_state_enabled = false; + else if (adev->powerplay.pp_funcs->dispatch_tasks && + adev->powerplay.pp_funcs->get_pp_num_states) { + struct pp_states_info data; + + ret = kstrtoul(buf, 0, &idx); + if (ret || idx >= ARRAY_SIZE(data.states)) + return -EINVAL; + + idx = array_index_nospec(idx, ARRAY_SIZE(data.states)); + + amdgpu_dpm_get_pp_num_states(adev, &data); + state = data.states[idx]; + + ret = pm_runtime_get_sync(ddev->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(ddev->dev); + return ret; + } + + /* only set user selected power states */ + if (state != POWER_STATE_TYPE_INTERNAL_BOOT && + state != POWER_STATE_TYPE_DEFAULT) { + amdgpu_dpm_dispatch_task(adev, + AMD_PP_TASK_ENABLE_USER_STATE, &state); + adev->pp_force_state_enabled = true; + } + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + } + + return count; +} + +/** + * DOC: pp_table + * + * The amdgpu driver provides a sysfs API for uploading new powerplay + * tables. The file pp_table is used for this. Reading the file + * will dump the current power play table. Writing to the file + * will attempt to upload a new powerplay table and re-initialize + * powerplay using that new table. + * + */ + +static ssize_t amdgpu_get_pp_table(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + char *table = NULL; + int size, ret; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + ret = pm_runtime_get_sync(ddev->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(ddev->dev); + return ret; + } + + if (is_support_sw_smu(adev)) { + size = smu_sys_get_pp_table(&adev->smu, (void **)&table); + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + if (size < 0) + return size; + } else if (adev->powerplay.pp_funcs->get_pp_table) { + size = amdgpu_dpm_get_pp_table(adev, &table); + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + if (size < 0) + return size; + } else { + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + return 0; + } + + if (size >= PAGE_SIZE) + size = PAGE_SIZE - 1; + + memcpy(buf, table, size); + + return size; +} + +static ssize_t amdgpu_set_pp_table(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + int ret = 0; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + ret = pm_runtime_get_sync(ddev->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(ddev->dev); + return ret; + } + + if (is_support_sw_smu(adev)) { + ret = smu_sys_set_pp_table(&adev->smu, (void *)buf, count); + if (ret) { + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + return ret; + } + } else if (adev->powerplay.pp_funcs->set_pp_table) + amdgpu_dpm_set_pp_table(adev, buf, count); + + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + + return count; +} + +/** + * DOC: pp_od_clk_voltage + * + * The amdgpu driver provides a sysfs API for adjusting the clocks and voltages + * in each power level within a power state. The pp_od_clk_voltage is used for + * this. + * + * Note that the actual memory controller clock rate are exposed, not + * the effective memory clock of the DRAMs. To translate it, use the + * following formula: + * + * Clock conversion (Mhz): + * + * HBM: effective_memory_clock = memory_controller_clock * 1 + * + * G5: effective_memory_clock = memory_controller_clock * 1 + * + * G6: effective_memory_clock = memory_controller_clock * 2 + * + * DRAM data rate (MT/s): + * + * HBM: effective_memory_clock * 2 = data_rate + * + * G5: effective_memory_clock * 4 = data_rate + * + * G6: effective_memory_clock * 8 = data_rate + * + * Bandwidth (MB/s): + * + * data_rate * vram_bit_width / 8 = memory_bandwidth + * + * Some examples: + * + * G5 on RX460: + * + * memory_controller_clock = 1750 Mhz + * + * effective_memory_clock = 1750 Mhz * 1 = 1750 Mhz + * + * data rate = 1750 * 4 = 7000 MT/s + * + * memory_bandwidth = 7000 * 128 bits / 8 = 112000 MB/s + * + * G6 on RX5700: + * + * memory_controller_clock = 875 Mhz + * + * effective_memory_clock = 875 Mhz * 2 = 1750 Mhz + * + * data rate = 1750 * 8 = 14000 MT/s + * + * memory_bandwidth = 14000 * 256 bits / 8 = 448000 MB/s + * + * < For Vega10 and previous ASICs > + * + * Reading the file will display: + * + * - a list of engine clock levels and voltages labeled OD_SCLK + * + * - a list of memory clock levels and voltages labeled OD_MCLK + * + * - a list of valid ranges for sclk, mclk, and voltage labeled OD_RANGE + * + * To manually adjust these settings, first select manual using + * power_dpm_force_performance_level. Enter a new value for each + * level by writing a string that contains "s/m level clock voltage" to + * the file. E.g., "s 1 500 820" will update sclk level 1 to be 500 MHz + * at 820 mV; "m 0 350 810" will update mclk level 0 to be 350 MHz at + * 810 mV. When you have edited all of the states as needed, write + * "c" (commit) to the file to commit your changes. If you want to reset to the + * default power levels, write "r" (reset) to the file to reset them. + * + * + * < For Vega20 and newer ASICs > + * + * Reading the file will display: + * + * - minimum and maximum engine clock labeled OD_SCLK + * + * - maximum memory clock labeled OD_MCLK + * + * - three <frequency, voltage> points labeled OD_VDDC_CURVE. + * They can be used to calibrate the sclk voltage curve. + * + * - a list of valid ranges for sclk, mclk, and voltage curve points + * labeled OD_RANGE + * + * To manually adjust these settings: + * + * - First select manual using power_dpm_force_performance_level + * + * - For clock frequency setting, enter a new value by writing a + * string that contains "s/m index clock" to the file. The index + * should be 0 if to set minimum clock. And 1 if to set maximum + * clock. E.g., "s 0 500" will update minimum sclk to be 500 MHz. + * "m 1 800" will update maximum mclk to be 800Mhz. + * + * For sclk voltage curve, enter the new values by writing a + * string that contains "vc point clock voltage" to the file. The + * points are indexed by 0, 1 and 2. E.g., "vc 0 300 600" will + * update point1 with clock set as 300Mhz and voltage as + * 600mV. "vc 2 1000 1000" will update point3 with clock set + * as 1000Mhz and voltage 1000mV. + * + * - When you have edited all of the states as needed, write "c" (commit) + * to the file to commit your changes + * + * - If you want to reset to the default power levels, write "r" (reset) + * to the file to reset them + * + */ + +static ssize_t amdgpu_set_pp_od_clk_voltage(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + int ret; + uint32_t parameter_size = 0; + long parameter[64]; + char buf_cpy[128]; + char *tmp_str; + char *sub_str; + const char delimiter[3] = {' ', '\n', '\0'}; + uint32_t type; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + if (count > 127) + return -EINVAL; + + if (*buf == 's') + type = PP_OD_EDIT_SCLK_VDDC_TABLE; + else if (*buf == 'm') + type = PP_OD_EDIT_MCLK_VDDC_TABLE; + else if(*buf == 'r') + type = PP_OD_RESTORE_DEFAULT_TABLE; + else if (*buf == 'c') + type = PP_OD_COMMIT_DPM_TABLE; + else if (!strncmp(buf, "vc", 2)) + type = PP_OD_EDIT_VDDC_CURVE; + else + return -EINVAL; + + memcpy(buf_cpy, buf, count+1); + + tmp_str = buf_cpy; + + if (type == PP_OD_EDIT_VDDC_CURVE) + tmp_str++; + while (isspace(*++tmp_str)); + + while (tmp_str[0]) { + sub_str = strsep(&tmp_str, delimiter); + ret = kstrtol(sub_str, 0, ¶meter[parameter_size]); + if (ret) + return -EINVAL; + parameter_size++; + + while (isspace(*tmp_str)) + tmp_str++; + } + + ret = pm_runtime_get_sync(ddev->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(ddev->dev); + return ret; + } + + if (is_support_sw_smu(adev)) { + ret = smu_od_edit_dpm_table(&adev->smu, type, + parameter, parameter_size); + + if (ret) { + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + return -EINVAL; + } + } else { + + if (adev->powerplay.pp_funcs->set_fine_grain_clk_vol) { + ret = amdgpu_dpm_set_fine_grain_clk_vol(adev, type, + parameter, + parameter_size); + if (ret) { + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + return -EINVAL; + } + } + + if (adev->powerplay.pp_funcs->odn_edit_dpm_table) { + ret = amdgpu_dpm_odn_edit_dpm_table(adev, type, + parameter, parameter_size); + if (ret) { + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + return -EINVAL; + } + } + + if (type == PP_OD_COMMIT_DPM_TABLE) { + if (adev->powerplay.pp_funcs->dispatch_tasks) { + amdgpu_dpm_dispatch_task(adev, + AMD_PP_TASK_READJUST_POWER_STATE, + NULL); + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + return count; + } else { + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + return -EINVAL; + } + } + } + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + + return count; +} + +static ssize_t amdgpu_get_pp_od_clk_voltage(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + ssize_t size; + int ret; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + ret = pm_runtime_get_sync(ddev->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(ddev->dev); + return ret; + } + + if (is_support_sw_smu(adev)) { + 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); + } else if (adev->powerplay.pp_funcs->print_clock_levels) { + size = amdgpu_dpm_print_clock_levels(adev, OD_SCLK, buf); + size += amdgpu_dpm_print_clock_levels(adev, OD_MCLK, buf+size); + size += amdgpu_dpm_print_clock_levels(adev, OD_VDDC_CURVE, buf+size); + size += amdgpu_dpm_print_clock_levels(adev, OD_RANGE, buf+size); + } else { + size = snprintf(buf, PAGE_SIZE, "\n"); + } + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + + return size; +} + +/** + * DOC: pp_features + * + * The amdgpu driver provides a sysfs API for adjusting what powerplay + * 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: + * - Current ppfeature masks + * - List of the all supported powerplay features with their naming, + * bitmasks and enablement status('Y'/'N' means "enabled"/"disabled"). + * + * To manually enable or disable a specific feature, just set or clear + * the corresponding bit from original ppfeature masks and input the + * new ppfeature masks. + */ +static ssize_t amdgpu_set_pp_features(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + uint64_t featuremask; + int ret; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + ret = kstrtou64(buf, 0, &featuremask); + if (ret) + return -EINVAL; + + pr_debug("featuremask = 0x%llx\n", featuremask); + + ret = pm_runtime_get_sync(ddev->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(ddev->dev); + return ret; + } + + if (is_support_sw_smu(adev)) { + ret = smu_sys_set_pp_feature_mask(&adev->smu, featuremask); + if (ret) { + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + return -EINVAL; + } + } else if (adev->powerplay.pp_funcs->set_ppfeature_status) { + ret = amdgpu_dpm_set_ppfeature_status(adev, featuremask); + if (ret) { + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + return -EINVAL; + } + } + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + + return count; +} + +static ssize_t amdgpu_get_pp_features(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + ssize_t size; + int ret; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + ret = pm_runtime_get_sync(ddev->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(ddev->dev); + return ret; + } + + if (is_support_sw_smu(adev)) + size = smu_sys_get_pp_feature_mask(&adev->smu, buf); + else if (adev->powerplay.pp_funcs->get_ppfeature_status) + size = amdgpu_dpm_get_ppfeature_status(adev, buf); + else + size = snprintf(buf, PAGE_SIZE, "\n"); + + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + + return size; +} + +/** + * DOC: pp_dpm_sclk pp_dpm_mclk pp_dpm_socclk pp_dpm_fclk pp_dpm_dcefclk pp_dpm_pcie + * + * The amdgpu driver provides a sysfs API for adjusting what power levels + * are enabled for a given power state. The files pp_dpm_sclk, pp_dpm_mclk, + * pp_dpm_socclk, pp_dpm_fclk, pp_dpm_dcefclk and pp_dpm_pcie are used for + * this. + * + * pp_dpm_socclk and pp_dpm_dcefclk interfaces are only available for + * Vega10 and later ASICs. + * pp_dpm_fclk interface is only available for Vega20 and later ASICs. + * + * Reading back the files will show you the available power levels within + * the power state and the clock information for those levels. + * + * To manually adjust these states, first select manual using + * power_dpm_force_performance_level. + * Secondly, enter a new value for each level by inputing a string that + * contains " echo xx xx xx > pp_dpm_sclk/mclk/pcie" + * E.g., + * + * .. code-block:: bash + * + * echo "4 5 6" > pp_dpm_sclk + * + * will enable sclk levels 4, 5, and 6. + * + * NOTE: change to the dcefclk max dpm level is not supported now + */ + +static ssize_t amdgpu_get_pp_dpm_sclk(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + ssize_t size; + int ret; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + ret = pm_runtime_get_sync(ddev->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(ddev->dev); + return ret; + } + + if (is_support_sw_smu(adev)) + size = smu_print_clk_levels(&adev->smu, SMU_SCLK, buf); + else if (adev->powerplay.pp_funcs->print_clock_levels) + size = amdgpu_dpm_print_clock_levels(adev, PP_SCLK, buf); + else + size = snprintf(buf, PAGE_SIZE, "\n"); + + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + + return size; +} + +/* + * Worst case: 32 bits individually specified, in octal at 12 characters + * per line (+1 for \n). + */ +#define AMDGPU_MASK_BUF_MAX (32 * 13) + +static ssize_t amdgpu_read_mask(const char *buf, size_t count, uint32_t *mask) +{ + int ret; + long level; + char *sub_str = NULL; + char *tmp; + char buf_cpy[AMDGPU_MASK_BUF_MAX + 1]; + const char delimiter[3] = {' ', '\n', '\0'}; + size_t bytes; + + *mask = 0; + + bytes = min(count, sizeof(buf_cpy) - 1); + memcpy(buf_cpy, buf, bytes); + buf_cpy[bytes] = '\0'; + tmp = buf_cpy; + while (tmp[0]) { + sub_str = strsep(&tmp, delimiter); + if (strlen(sub_str)) { + ret = kstrtol(sub_str, 0, &level); + if (ret) + return -EINVAL; + *mask |= 1 << level; + } else + break; + } + + return 0; +} + +static ssize_t amdgpu_set_pp_dpm_sclk(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + int ret; + uint32_t mask = 0; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + ret = amdgpu_read_mask(buf, count, &mask); + if (ret) + return ret; + + ret = pm_runtime_get_sync(ddev->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(ddev->dev); + return ret; + } + + if (is_support_sw_smu(adev)) + 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); + + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + + if (ret) + return -EINVAL; + + return count; +} + +static ssize_t amdgpu_get_pp_dpm_mclk(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + ssize_t size; + int ret; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + ret = pm_runtime_get_sync(ddev->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(ddev->dev); + return ret; + } + + if (is_support_sw_smu(adev)) + size = smu_print_clk_levels(&adev->smu, SMU_MCLK, buf); + else if (adev->powerplay.pp_funcs->print_clock_levels) + size = amdgpu_dpm_print_clock_levels(adev, PP_MCLK, buf); + else + size = snprintf(buf, PAGE_SIZE, "\n"); + + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + + return size; +} + +static ssize_t amdgpu_set_pp_dpm_mclk(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + uint32_t mask = 0; + int ret; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + ret = amdgpu_read_mask(buf, count, &mask); + if (ret) + return ret; + + ret = pm_runtime_get_sync(ddev->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(ddev->dev); + return ret; + } + + if (is_support_sw_smu(adev)) + 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); + + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + + if (ret) + return -EINVAL; + + return count; +} + +static ssize_t amdgpu_get_pp_dpm_socclk(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + ssize_t size; + int ret; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + ret = pm_runtime_get_sync(ddev->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(ddev->dev); + return ret; + } + + if (is_support_sw_smu(adev)) + size = smu_print_clk_levels(&adev->smu, SMU_SOCCLK, buf); + else if (adev->powerplay.pp_funcs->print_clock_levels) + size = amdgpu_dpm_print_clock_levels(adev, PP_SOCCLK, buf); + else + size = snprintf(buf, PAGE_SIZE, "\n"); + + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + + return size; +} + +static ssize_t amdgpu_set_pp_dpm_socclk(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + int ret; + uint32_t mask = 0; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + ret = amdgpu_read_mask(buf, count, &mask); + if (ret) + return ret; + + ret = pm_runtime_get_sync(ddev->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(ddev->dev); + return ret; + } + + if (is_support_sw_smu(adev)) + 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); + else + ret = 0; + + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + + if (ret) + return -EINVAL; + + return count; +} + +static ssize_t amdgpu_get_pp_dpm_fclk(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + ssize_t size; + int ret; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + ret = pm_runtime_get_sync(ddev->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(ddev->dev); + return ret; + } + + if (is_support_sw_smu(adev)) + size = smu_print_clk_levels(&adev->smu, SMU_FCLK, buf); + else if (adev->powerplay.pp_funcs->print_clock_levels) + size = amdgpu_dpm_print_clock_levels(adev, PP_FCLK, buf); + else + size = snprintf(buf, PAGE_SIZE, "\n"); + + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + + return size; +} + +static ssize_t amdgpu_set_pp_dpm_fclk(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + int ret; + uint32_t mask = 0; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + ret = amdgpu_read_mask(buf, count, &mask); + if (ret) + return ret; + + ret = pm_runtime_get_sync(ddev->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(ddev->dev); + return ret; + } + + if (is_support_sw_smu(adev)) + 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); + else + ret = 0; + + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + + if (ret) + return -EINVAL; + + return count; +} + +static ssize_t amdgpu_get_pp_dpm_dcefclk(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + ssize_t size; + int ret; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + ret = pm_runtime_get_sync(ddev->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(ddev->dev); + return ret; + } + + if (is_support_sw_smu(adev)) + size = smu_print_clk_levels(&adev->smu, SMU_DCEFCLK, buf); + else if (adev->powerplay.pp_funcs->print_clock_levels) + size = amdgpu_dpm_print_clock_levels(adev, PP_DCEFCLK, buf); + else + size = snprintf(buf, PAGE_SIZE, "\n"); + + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + + return size; +} + +static ssize_t amdgpu_set_pp_dpm_dcefclk(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + int ret; + uint32_t mask = 0; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + ret = amdgpu_read_mask(buf, count, &mask); + if (ret) + return ret; + + ret = pm_runtime_get_sync(ddev->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(ddev->dev); + return ret; + } + + if (is_support_sw_smu(adev)) + 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); + else + ret = 0; + + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + + if (ret) + return -EINVAL; + + return count; +} + +static ssize_t amdgpu_get_pp_dpm_pcie(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + ssize_t size; + int ret; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + ret = pm_runtime_get_sync(ddev->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(ddev->dev); + return ret; + } + + if (is_support_sw_smu(adev)) + size = smu_print_clk_levels(&adev->smu, SMU_PCIE, buf); + else if (adev->powerplay.pp_funcs->print_clock_levels) + size = amdgpu_dpm_print_clock_levels(adev, PP_PCIE, buf); + else + size = snprintf(buf, PAGE_SIZE, "\n"); + + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + + return size; +} + +static ssize_t amdgpu_set_pp_dpm_pcie(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + int ret; + uint32_t mask = 0; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + ret = amdgpu_read_mask(buf, count, &mask); + if (ret) + return ret; + + ret = pm_runtime_get_sync(ddev->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(ddev->dev); + return ret; + } + + if (is_support_sw_smu(adev)) + 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); + else + ret = 0; + + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + + if (ret) + return -EINVAL; + + return count; +} + +static ssize_t amdgpu_get_pp_sclk_od(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + uint32_t value = 0; + int ret; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + ret = pm_runtime_get_sync(ddev->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(ddev->dev); + return ret; + } + + if (is_support_sw_smu(adev)) + 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); + + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + + return snprintf(buf, PAGE_SIZE, "%d\n", value); +} + +static ssize_t amdgpu_set_pp_sclk_od(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + int ret; + long int value; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + ret = kstrtol(buf, 0, &value); + + if (ret) + return -EINVAL; + + ret = pm_runtime_get_sync(ddev->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(ddev->dev); + return ret; + } + + if (is_support_sw_smu(adev)) { + 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); + + if (adev->powerplay.pp_funcs->dispatch_tasks) { + amdgpu_dpm_dispatch_task(adev, AMD_PP_TASK_READJUST_POWER_STATE, NULL); + } else { + adev->pm.dpm.current_ps = adev->pm.dpm.boot_ps; + amdgpu_pm_compute_clocks(adev); + } + } + + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + + return count; +} + +static ssize_t amdgpu_get_pp_mclk_od(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + uint32_t value = 0; + int ret; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + ret = pm_runtime_get_sync(ddev->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(ddev->dev); + return ret; + } + + if (is_support_sw_smu(adev)) + 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); + + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + + return snprintf(buf, PAGE_SIZE, "%d\n", value); +} + +static ssize_t amdgpu_set_pp_mclk_od(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + int ret; + long int value; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + ret = kstrtol(buf, 0, &value); + + if (ret) + return -EINVAL; + + ret = pm_runtime_get_sync(ddev->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(ddev->dev); + return ret; + } + + if (is_support_sw_smu(adev)) { + 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); + + if (adev->powerplay.pp_funcs->dispatch_tasks) { + amdgpu_dpm_dispatch_task(adev, AMD_PP_TASK_READJUST_POWER_STATE, NULL); + } else { + adev->pm.dpm.current_ps = adev->pm.dpm.boot_ps; + amdgpu_pm_compute_clocks(adev); + } + } + + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + + return count; +} + +/** + * DOC: pp_power_profile_mode + * + * The amdgpu driver provides a sysfs API for adjusting the heuristics + * related to switching between power levels in a power state. The file + * pp_power_profile_mode is used for this. + * + * Reading this file outputs a list of all of the predefined power profiles + * and the relevant heuristics settings for that profile. + * + * To select a profile or create a custom profile, first select manual using + * power_dpm_force_performance_level. Writing the number of a predefined + * profile to pp_power_profile_mode will enable those heuristics. To + * create a custom set of heuristics, write a string of numbers to the file + * starting with the number of the custom profile along with a setting + * for each heuristic parameter. Due to differences across asic families + * the heuristic parameters vary from family to family. + * + */ + +static ssize_t amdgpu_get_pp_power_profile_mode(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + ssize_t size; + int ret; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + ret = pm_runtime_get_sync(ddev->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(ddev->dev); + return ret; + } + + if (is_support_sw_smu(adev)) + size = smu_get_power_profile_mode(&adev->smu, buf); + else if (adev->powerplay.pp_funcs->get_power_profile_mode) + size = amdgpu_dpm_get_power_profile_mode(adev, buf); + else + size = snprintf(buf, PAGE_SIZE, "\n"); + + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + + return size; +} + + +static ssize_t amdgpu_set_pp_power_profile_mode(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + int ret; + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + uint32_t parameter_size = 0; + long parameter[64]; + char *sub_str, buf_cpy[128]; + char *tmp_str; + uint32_t i = 0; + char tmp[2]; + long int profile_mode = 0; + const char delimiter[3] = {' ', '\n', '\0'}; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + tmp[0] = *(buf); + tmp[1] = '\0'; + ret = kstrtol(tmp, 0, &profile_mode); + if (ret) + return -EINVAL; + + if (profile_mode == PP_SMC_POWER_PROFILE_CUSTOM) { + if (count < 2 || count > 127) + return -EINVAL; + while (isspace(*++buf)) + i++; + memcpy(buf_cpy, buf, count-i); + tmp_str = buf_cpy; + while (tmp_str[0]) { + sub_str = strsep(&tmp_str, delimiter); + ret = kstrtol(sub_str, 0, ¶meter[parameter_size]); + if (ret) + return -EINVAL; + parameter_size++; + while (isspace(*tmp_str)) + tmp_str++; + } + } + parameter[parameter_size] = profile_mode; + + ret = pm_runtime_get_sync(ddev->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(ddev->dev); + return ret; + } + + if (is_support_sw_smu(adev)) + ret = smu_set_power_profile_mode(&adev->smu, parameter, parameter_size, true); + else if (adev->powerplay.pp_funcs->set_power_profile_mode) + ret = amdgpu_dpm_set_power_profile_mode(adev, parameter, parameter_size); + + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + + if (!ret) + return count; + + return -EINVAL; +} + +/** + * DOC: gpu_busy_percent + * + * The amdgpu driver provides a sysfs API for reading how busy the GPU + * is as a percentage. The file gpu_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_gpu_busy_percent(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + int r, value, size = sizeof(value); + + if (amdgpu_in_reset(adev)) + return -EPERM; + + r = pm_runtime_get_sync(ddev->dev); + if (r < 0) { + pm_runtime_put_autosuspend(ddev->dev); + return r; + } + + /* read the IP busy sensor */ + r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_LOAD, + (void *)&value, &size); + + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + + if (r) + return r; + + return snprintf(buf, PAGE_SIZE, "%d\n", value); +} + +/** + * 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_mem_busy_percent(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + int r, value, size = sizeof(value); + + if (amdgpu_in_reset(adev)) + return -EPERM; + + r = pm_runtime_get_sync(ddev->dev); + if (r < 0) { + pm_runtime_put_autosuspend(ddev->dev); + return r; + } + + /* read the IP busy sensor */ + r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_MEM_LOAD, + (void *)&value, &size); + + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + + 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 + * has been received and sent by the GPU in the last second through PCIe. + * The file pcie_bw is used for this. + * The Perf counters count the number of received and sent messages and return + * those values, as well as the maximum payload size of a PCIe packet (mps). + * Note that it is not possible to easily and quickly obtain the size of each + * packet transmitted, so we output the max payload size (mps) to allow for + * quick estimation of the PCIe bandwidth usage + */ +static ssize_t amdgpu_get_pcie_bw(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + uint64_t count0 = 0, count1 = 0; + int ret; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + if (adev->flags & AMD_IS_APU) + return -ENODATA; + + if (!adev->asic_funcs->get_pcie_usage) + return -ENODATA; + + ret = pm_runtime_get_sync(ddev->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(ddev->dev); + return ret; + } + + amdgpu_asic_get_pcie_usage(adev, &count0, &count1); + + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + + return snprintf(buf, PAGE_SIZE, "%llu %llu %i\n", + 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 = drm_to_adev(ddev); + + if (amdgpu_in_reset(adev)) + return -EPERM; + + if (adev->unique_id) + return snprintf(buf, PAGE_SIZE, "%016llx\n", adev->unique_id); + + return 0; +} + +/** + * DOC: thermal_throttling_logging + * + * Thermal throttling pulls down the clock frequency and thus the performance. + * It's an useful mechanism to protect the chip from overheating. Since it + * impacts performance, the user controls whether it is enabled and if so, + * the log frequency. + * + * Reading back the file shows you the status(enabled or disabled) and + * the interval(in seconds) between each thermal logging. + * + * Writing an integer to the file, sets a new logging interval, in seconds. + * The value should be between 1 and 3600. If the value is less than 1, + * thermal logging is disabled. Values greater than 3600 are ignored. + */ +static ssize_t amdgpu_get_thermal_throttling_logging(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + + return snprintf(buf, PAGE_SIZE, "%s: thermal throttling logging %s, with interval %d seconds\n", + adev_to_drm(adev)->unique, + atomic_read(&adev->throttling_logging_enabled) ? "enabled" : "disabled", + adev->throttling_logging_rs.interval / HZ + 1); +} + +static ssize_t amdgpu_set_thermal_throttling_logging(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + long throttling_logging_interval; + unsigned long flags; + int ret = 0; + + ret = kstrtol(buf, 0, &throttling_logging_interval); + if (ret) + return ret; + + if (throttling_logging_interval > 3600) + return -EINVAL; + + if (throttling_logging_interval > 0) { + raw_spin_lock_irqsave(&adev->throttling_logging_rs.lock, flags); + /* + * Reset the ratelimit timer internals. + * This can effectively restart the timer. + */ + adev->throttling_logging_rs.interval = + (throttling_logging_interval - 1) * HZ; + adev->throttling_logging_rs.begin = 0; + adev->throttling_logging_rs.printed = 0; + adev->throttling_logging_rs.missed = 0; + raw_spin_unlock_irqrestore(&adev->throttling_logging_rs.lock, flags); + + atomic_set(&adev->throttling_logging_enabled, 1); + } else { + atomic_set(&adev->throttling_logging_enabled, 0); + } + + return count; +} + +/** + * DOC: gpu_metrics + * + * The amdgpu driver provides a sysfs API for retrieving current gpu + * metrics data. The file gpu_metrics is used for this. Reading the + * file will dump all the current gpu metrics data. + * + * These data include temperature, frequency, engines utilization, + * power consume, throttler status, fan speed and cpu core statistics( + * available for APU only). That's it will give a snapshot of all sensors + * at the same time. + */ +static ssize_t amdgpu_get_gpu_metrics(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + void *gpu_metrics; + ssize_t size = 0; + int ret; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + ret = pm_runtime_get_sync(ddev->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(ddev->dev); + return ret; + } + + if (is_support_sw_smu(adev)) + size = smu_sys_get_gpu_metrics(&adev->smu, &gpu_metrics); + else if (adev->powerplay.pp_funcs->get_gpu_metrics) + size = amdgpu_dpm_get_gpu_metrics(adev, &gpu_metrics); + + if (size <= 0) + goto out; + + if (size >= PAGE_SIZE) + size = PAGE_SIZE - 1; + + memcpy(buf, gpu_metrics, size); + +out: + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + + return size; +} + +static struct amdgpu_device_attr amdgpu_device_attrs[] = { + AMDGPU_DEVICE_ATTR_RW(power_dpm_state, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF), + AMDGPU_DEVICE_ATTR_RW(power_dpm_force_performance_level, ATTR_FLAG_BASIC), + AMDGPU_DEVICE_ATTR_RO(pp_num_states, ATTR_FLAG_BASIC), + AMDGPU_DEVICE_ATTR_RO(pp_cur_state, ATTR_FLAG_BASIC), + AMDGPU_DEVICE_ATTR_RW(pp_force_state, ATTR_FLAG_BASIC), + AMDGPU_DEVICE_ATTR_RW(pp_table, ATTR_FLAG_BASIC), + AMDGPU_DEVICE_ATTR_RW(pp_dpm_sclk, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF), + AMDGPU_DEVICE_ATTR_RW(pp_dpm_mclk, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF), + AMDGPU_DEVICE_ATTR_RW(pp_dpm_socclk, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF), + AMDGPU_DEVICE_ATTR_RW(pp_dpm_fclk, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF), + AMDGPU_DEVICE_ATTR_RW(pp_dpm_dcefclk, ATTR_FLAG_BASIC), + AMDGPU_DEVICE_ATTR_RW(pp_dpm_pcie, ATTR_FLAG_BASIC), + AMDGPU_DEVICE_ATTR_RW(pp_sclk_od, ATTR_FLAG_BASIC), + AMDGPU_DEVICE_ATTR_RW(pp_mclk_od, ATTR_FLAG_BASIC), + AMDGPU_DEVICE_ATTR_RW(pp_power_profile_mode, ATTR_FLAG_BASIC), + AMDGPU_DEVICE_ATTR_RW(pp_od_clk_voltage, ATTR_FLAG_BASIC), + AMDGPU_DEVICE_ATTR_RO(gpu_busy_percent, ATTR_FLAG_BASIC), + AMDGPU_DEVICE_ATTR_RO(mem_busy_percent, ATTR_FLAG_BASIC), + AMDGPU_DEVICE_ATTR_RO(pcie_bw, ATTR_FLAG_BASIC), + AMDGPU_DEVICE_ATTR_RW(pp_features, ATTR_FLAG_BASIC), + AMDGPU_DEVICE_ATTR_RO(unique_id, ATTR_FLAG_BASIC), + AMDGPU_DEVICE_ATTR_RW(thermal_throttling_logging, ATTR_FLAG_BASIC), + AMDGPU_DEVICE_ATTR_RO(gpu_metrics, ATTR_FLAG_BASIC), +}; + +static int default_attr_update(struct amdgpu_device *adev, struct amdgpu_device_attr *attr, + uint32_t mask, enum amdgpu_device_attr_states *states) +{ + struct device_attribute *dev_attr = &attr->dev_attr; + const char *attr_name = dev_attr->attr.name; + struct pp_hwmgr *hwmgr = adev->powerplay.pp_handle; + enum amd_asic_type asic_type = adev->asic_type; + + if (!(attr->flags & mask)) { + *states = ATTR_STATE_UNSUPPORTED; + return 0; + } + +#define DEVICE_ATTR_IS(_name) (!strcmp(attr_name, #_name)) + + if (DEVICE_ATTR_IS(pp_dpm_socclk)) { + if (asic_type < CHIP_VEGA10) + *states = ATTR_STATE_UNSUPPORTED; + } else if (DEVICE_ATTR_IS(pp_dpm_dcefclk)) { + if (asic_type < CHIP_VEGA10 || asic_type == CHIP_ARCTURUS) + *states = ATTR_STATE_UNSUPPORTED; + } else if (DEVICE_ATTR_IS(pp_dpm_fclk)) { + if (asic_type < CHIP_VEGA20) + *states = ATTR_STATE_UNSUPPORTED; + } else if (DEVICE_ATTR_IS(pp_dpm_pcie)) { + if (asic_type == CHIP_ARCTURUS) + *states = ATTR_STATE_UNSUPPORTED; + } else if (DEVICE_ATTR_IS(pp_od_clk_voltage)) { + *states = ATTR_STATE_UNSUPPORTED; + if ((is_support_sw_smu(adev) && adev->smu.od_enabled) || + (!is_support_sw_smu(adev) && hwmgr->od_enabled)) + *states = ATTR_STATE_SUPPORTED; + } else if (DEVICE_ATTR_IS(mem_busy_percent)) { + if (adev->flags & AMD_IS_APU || asic_type == CHIP_VEGA10) + *states = ATTR_STATE_UNSUPPORTED; + } else if (DEVICE_ATTR_IS(pcie_bw)) { + /* PCIe Perf counters won't work on APU nodes */ + if (adev->flags & AMD_IS_APU) + *states = ATTR_STATE_UNSUPPORTED; + } else if (DEVICE_ATTR_IS(unique_id)) { + if (asic_type != CHIP_VEGA10 && + asic_type != CHIP_VEGA20 && + asic_type != CHIP_ARCTURUS) + *states = ATTR_STATE_UNSUPPORTED; + } else if (DEVICE_ATTR_IS(pp_features)) { + if (adev->flags & AMD_IS_APU || asic_type < CHIP_VEGA10) + *states = ATTR_STATE_UNSUPPORTED; + } else if (DEVICE_ATTR_IS(gpu_metrics)) { + if (asic_type < CHIP_VEGA12) + *states = ATTR_STATE_UNSUPPORTED; + } + + if (asic_type == CHIP_ARCTURUS) { + /* Arcturus does not support standalone mclk/socclk/fclk level setting */ + if (DEVICE_ATTR_IS(pp_dpm_mclk) || + DEVICE_ATTR_IS(pp_dpm_socclk) || + DEVICE_ATTR_IS(pp_dpm_fclk)) { + dev_attr->attr.mode &= ~S_IWUGO; + dev_attr->store = NULL; + } + } + +#undef DEVICE_ATTR_IS + + return 0; +} + + +static int amdgpu_device_attr_create(struct amdgpu_device *adev, + struct amdgpu_device_attr *attr, + uint32_t mask, struct list_head *attr_list) +{ + int ret = 0; + struct device_attribute *dev_attr = &attr->dev_attr; + const char *name = dev_attr->attr.name; + enum amdgpu_device_attr_states attr_states = ATTR_STATE_SUPPORTED; + struct amdgpu_device_attr_entry *attr_entry; + + int (*attr_update)(struct amdgpu_device *adev, struct amdgpu_device_attr *attr, + uint32_t mask, enum amdgpu_device_attr_states *states) = default_attr_update; + + BUG_ON(!attr); + + attr_update = attr->attr_update ? attr_update : default_attr_update; + + ret = attr_update(adev, attr, mask, &attr_states); + if (ret) { + dev_err(adev->dev, "failed to update device file %s, ret = %d\n", + name, ret); + return ret; + } + + if (attr_states == ATTR_STATE_UNSUPPORTED) + return 0; + + ret = device_create_file(adev->dev, dev_attr); + if (ret) { + dev_err(adev->dev, "failed to create device file %s, ret = %d\n", + name, ret); + } + + attr_entry = kmalloc(sizeof(*attr_entry), GFP_KERNEL); + if (!attr_entry) + return -ENOMEM; + + attr_entry->attr = attr; + INIT_LIST_HEAD(&attr_entry->entry); + + list_add_tail(&attr_entry->entry, attr_list); + + return ret; +} + +static void amdgpu_device_attr_remove(struct amdgpu_device *adev, struct amdgpu_device_attr *attr) +{ + struct device_attribute *dev_attr = &attr->dev_attr; + + device_remove_file(adev->dev, dev_attr); +} + +static void amdgpu_device_attr_remove_groups(struct amdgpu_device *adev, + struct list_head *attr_list); + +static int amdgpu_device_attr_create_groups(struct amdgpu_device *adev, + struct amdgpu_device_attr *attrs, + uint32_t counts, + uint32_t mask, + struct list_head *attr_list) +{ + int ret = 0; + uint32_t i = 0; + + for (i = 0; i < counts; i++) { + ret = amdgpu_device_attr_create(adev, &attrs[i], mask, attr_list); + if (ret) + goto failed; + } + + return 0; + +failed: + amdgpu_device_attr_remove_groups(adev, attr_list); + + return ret; +} + +static void amdgpu_device_attr_remove_groups(struct amdgpu_device *adev, + struct list_head *attr_list) +{ + struct amdgpu_device_attr_entry *entry, *entry_tmp; + + if (list_empty(attr_list)) + return ; + + list_for_each_entry_safe(entry, entry_tmp, attr_list, entry) { + amdgpu_device_attr_remove(adev, entry->attr); + list_del(&entry->entry); + kfree(entry); + } +} + +static ssize_t amdgpu_hwmon_show_temp(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 r, temp = 0, size = sizeof(temp); + + if (amdgpu_in_reset(adev)) + return -EPERM; + + if (channel >= PP_TEMP_MAX) + return -EINVAL; + + r = pm_runtime_get_sync(adev_to_drm(adev)->dev); + if (r < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return r; + } + + switch (channel) { + case PP_TEMP_JUNCTION: + /* get current junction temperature */ + r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_HOTSPOT_TEMP, + (void *)&temp, &size); + break; + case PP_TEMP_EDGE: + /* get current edge temperature */ + r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_EDGE_TEMP, + (void *)&temp, &size); + break; + case PP_TEMP_MEM: + /* get current memory temperature */ + r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_MEM_TEMP, + (void *)&temp, &size); + break; + default: + r = -EINVAL; + break; + } + + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + + if (r) + return r; + + return snprintf(buf, PAGE_SIZE, "%d\n", temp); +} + +static ssize_t amdgpu_hwmon_show_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_temp; + else + temp = adev->pm.dpm.thermal.max_temp; + + 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) +{ + struct amdgpu_device *adev = dev_get_drvdata(dev); + u32 pwm_mode = 0; + int ret; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + ret = pm_runtime_get_sync(adev_to_drm(adev)->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return ret; + } + + if (is_support_sw_smu(adev)) { + pwm_mode = smu_get_fan_control_mode(&adev->smu); + } else { + if (!adev->powerplay.pp_funcs->get_fan_control_mode) { + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return -EINVAL; + } + + pwm_mode = amdgpu_dpm_get_fan_control_mode(adev); + } + + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + + return sprintf(buf, "%i\n", pwm_mode); +} + +static ssize_t amdgpu_hwmon_set_pwm1_enable(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + struct amdgpu_device *adev = dev_get_drvdata(dev); + int err, ret; + int value; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + err = kstrtoint(buf, 10, &value); + if (err) + return err; + + ret = pm_runtime_get_sync(adev_to_drm(adev)->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return ret; + } + + if (is_support_sw_smu(adev)) { + smu_set_fan_control_mode(&adev->smu, value); + } else { + if (!adev->powerplay.pp_funcs->set_fan_control_mode) { + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return -EINVAL; + } + + amdgpu_dpm_set_fan_control_mode(adev, value); + } + + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + + return count; +} + +static ssize_t amdgpu_hwmon_get_pwm1_min(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + return sprintf(buf, "%i\n", 0); +} + +static ssize_t amdgpu_hwmon_get_pwm1_max(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + return sprintf(buf, "%i\n", 255); +} + +static ssize_t amdgpu_hwmon_set_pwm1(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct amdgpu_device *adev = dev_get_drvdata(dev); + int err; + u32 value; + u32 pwm_mode; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + err = pm_runtime_get_sync(adev_to_drm(adev)->dev); + if (err < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return err; + } + + if (is_support_sw_smu(adev)) + pwm_mode = smu_get_fan_control_mode(&adev->smu); + else + pwm_mode = amdgpu_dpm_get_fan_control_mode(adev); + + if (pwm_mode != AMD_FAN_CTRL_MANUAL) { + pr_info("manual fan speed control should be enabled first\n"); + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return -EINVAL; + } + + err = kstrtou32(buf, 10, &value); + if (err) { + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return err; + } + + value = (value * 100) / 255; + + if (is_support_sw_smu(adev)) + err = smu_set_fan_speed_percent(&adev->smu, value); + else if (adev->powerplay.pp_funcs->set_fan_speed_percent) + err = amdgpu_dpm_set_fan_speed_percent(adev, value); + else + err = -EINVAL; + + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + + if (err) + return err; + + return count; +} + +static ssize_t amdgpu_hwmon_get_pwm1(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct amdgpu_device *adev = dev_get_drvdata(dev); + int err; + u32 speed = 0; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + err = pm_runtime_get_sync(adev_to_drm(adev)->dev); + if (err < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return err; + } + + if (is_support_sw_smu(adev)) + err = smu_get_fan_speed_percent(&adev->smu, &speed); + else if (adev->powerplay.pp_funcs->get_fan_speed_percent) + err = amdgpu_dpm_get_fan_speed_percent(adev, &speed); + else + err = -EINVAL; + + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + + if (err) + return err; + + speed = (speed * 255) / 100; + + return sprintf(buf, "%i\n", speed); +} + +static ssize_t amdgpu_hwmon_get_fan1_input(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct amdgpu_device *adev = dev_get_drvdata(dev); + int err; + u32 speed = 0; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + err = pm_runtime_get_sync(adev_to_drm(adev)->dev); + if (err < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return err; + } + + if (is_support_sw_smu(adev)) + err = smu_get_fan_speed_rpm(&adev->smu, &speed); + else if (adev->powerplay.pp_funcs->get_fan_speed_rpm) + err = amdgpu_dpm_get_fan_speed_rpm(adev, &speed); + else + err = -EINVAL; + + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + + if (err) + return err; + + return sprintf(buf, "%i\n", speed); +} + +static ssize_t amdgpu_hwmon_get_fan1_min(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct amdgpu_device *adev = dev_get_drvdata(dev); + u32 min_rpm = 0; + u32 size = sizeof(min_rpm); + int r; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + r = pm_runtime_get_sync(adev_to_drm(adev)->dev); + if (r < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return r; + } + + r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_MIN_FAN_RPM, + (void *)&min_rpm, &size); + + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + + if (r) + return r; + + return snprintf(buf, PAGE_SIZE, "%d\n", min_rpm); +} + +static ssize_t amdgpu_hwmon_get_fan1_max(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct amdgpu_device *adev = dev_get_drvdata(dev); + u32 max_rpm = 0; + u32 size = sizeof(max_rpm); + int r; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + r = pm_runtime_get_sync(adev_to_drm(adev)->dev); + if (r < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return r; + } + + r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_MAX_FAN_RPM, + (void *)&max_rpm, &size); + + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + + if (r) + return r; + + return snprintf(buf, PAGE_SIZE, "%d\n", max_rpm); +} + +static ssize_t amdgpu_hwmon_get_fan1_target(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct amdgpu_device *adev = dev_get_drvdata(dev); + int err; + u32 rpm = 0; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + err = pm_runtime_get_sync(adev_to_drm(adev)->dev); + if (err < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return err; + } + + if (is_support_sw_smu(adev)) + err = smu_get_fan_speed_rpm(&adev->smu, &rpm); + else if (adev->powerplay.pp_funcs->get_fan_speed_rpm) + err = amdgpu_dpm_get_fan_speed_rpm(adev, &rpm); + else + err = -EINVAL; + + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + + if (err) + return err; + + return sprintf(buf, "%i\n", rpm); +} + +static ssize_t amdgpu_hwmon_set_fan1_target(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct amdgpu_device *adev = dev_get_drvdata(dev); + int err; + u32 value; + u32 pwm_mode; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + err = pm_runtime_get_sync(adev_to_drm(adev)->dev); + if (err < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return err; + } + + if (is_support_sw_smu(adev)) + pwm_mode = smu_get_fan_control_mode(&adev->smu); + else + pwm_mode = amdgpu_dpm_get_fan_control_mode(adev); + + if (pwm_mode != AMD_FAN_CTRL_MANUAL) { + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return -ENODATA; + } + + err = kstrtou32(buf, 10, &value); + if (err) { + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return err; + } + + if (is_support_sw_smu(adev)) + err = smu_set_fan_speed_rpm(&adev->smu, value); + else if (adev->powerplay.pp_funcs->set_fan_speed_rpm) + err = amdgpu_dpm_set_fan_speed_rpm(adev, value); + else + err = -EINVAL; + + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + + if (err) + return err; + + return count; +} + +static ssize_t amdgpu_hwmon_get_fan1_enable(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct amdgpu_device *adev = dev_get_drvdata(dev); + u32 pwm_mode = 0; + int ret; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + ret = pm_runtime_get_sync(adev_to_drm(adev)->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return ret; + } + + if (is_support_sw_smu(adev)) { + pwm_mode = smu_get_fan_control_mode(&adev->smu); + } else { + if (!adev->powerplay.pp_funcs->get_fan_control_mode) { + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return -EINVAL; + } + + pwm_mode = amdgpu_dpm_get_fan_control_mode(adev); + } + + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + + return sprintf(buf, "%i\n", pwm_mode == AMD_FAN_CTRL_AUTO ? 0 : 1); +} + +static ssize_t amdgpu_hwmon_set_fan1_enable(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + struct amdgpu_device *adev = dev_get_drvdata(dev); + int err; + int value; + u32 pwm_mode; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + err = kstrtoint(buf, 10, &value); + if (err) + return err; + + if (value == 0) + pwm_mode = AMD_FAN_CTRL_AUTO; + else if (value == 1) + pwm_mode = AMD_FAN_CTRL_MANUAL; + else + return -EINVAL; + + err = pm_runtime_get_sync(adev_to_drm(adev)->dev); + if (err < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return err; + } + + if (is_support_sw_smu(adev)) { + smu_set_fan_control_mode(&adev->smu, pwm_mode); + } else { + if (!adev->powerplay.pp_funcs->set_fan_control_mode) { + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return -EINVAL; + } + amdgpu_dpm_set_fan_control_mode(adev, pwm_mode); + } + + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + + return count; +} + +static ssize_t amdgpu_hwmon_show_vddgfx(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct amdgpu_device *adev = dev_get_drvdata(dev); + u32 vddgfx; + int r, size = sizeof(vddgfx); + + if (amdgpu_in_reset(adev)) + return -EPERM; + + r = pm_runtime_get_sync(adev_to_drm(adev)->dev); + if (r < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return r; + } + + /* get the voltage */ + r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VDDGFX, + (void *)&vddgfx, &size); + + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + + if (r) + return r; + + return snprintf(buf, PAGE_SIZE, "%d\n", vddgfx); +} + +static ssize_t amdgpu_hwmon_show_vddgfx_label(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + return snprintf(buf, PAGE_SIZE, "vddgfx\n"); +} + +static ssize_t amdgpu_hwmon_show_vddnb(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct amdgpu_device *adev = dev_get_drvdata(dev); + u32 vddnb; + int r, size = sizeof(vddnb); + + if (amdgpu_in_reset(adev)) + return -EPERM; + + /* only APUs have vddnb */ + if (!(adev->flags & AMD_IS_APU)) + return -EINVAL; + + r = pm_runtime_get_sync(adev_to_drm(adev)->dev); + if (r < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return r; + } + + /* get the voltage */ + r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VDDNB, + (void *)&vddnb, &size); + + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + + if (r) + return r; + + return snprintf(buf, PAGE_SIZE, "%d\n", vddnb); +} + +static ssize_t amdgpu_hwmon_show_vddnb_label(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + return snprintf(buf, PAGE_SIZE, "vddnb\n"); +} + +static ssize_t amdgpu_hwmon_show_power_avg(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct amdgpu_device *adev = dev_get_drvdata(dev); + u32 query = 0; + int r, size = sizeof(u32); + unsigned uw; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + r = pm_runtime_get_sync(adev_to_drm(adev)->dev); + if (r < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return r; + } + + /* get the voltage */ + r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_POWER, + (void *)&query, &size); + + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + + if (r) + return r; + + /* convert to microwatts */ + uw = (query >> 8) * 1000000 + (query & 0xff) * 1000; + + return snprintf(buf, PAGE_SIZE, "%u\n", uw); +} + +static ssize_t amdgpu_hwmon_show_power_cap_min(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + return sprintf(buf, "%i\n", 0); +} + +static ssize_t amdgpu_hwmon_show_power_cap_max(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct amdgpu_device *adev = dev_get_drvdata(dev); + uint32_t limit = 0; + ssize_t size; + int r; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + r = pm_runtime_get_sync(adev_to_drm(adev)->dev); + if (r < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return r; + } + + if (is_support_sw_smu(adev)) { + smu_get_power_limit(&adev->smu, &limit, true); + size = snprintf(buf, PAGE_SIZE, "%u\n", limit * 1000000); + } else if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->get_power_limit) { + adev->powerplay.pp_funcs->get_power_limit(adev->powerplay.pp_handle, &limit, true); + size = snprintf(buf, PAGE_SIZE, "%u\n", limit * 1000000); + } else { + size = snprintf(buf, PAGE_SIZE, "\n"); + } + + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + + return size; +} + +static ssize_t amdgpu_hwmon_show_power_cap(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct amdgpu_device *adev = dev_get_drvdata(dev); + uint32_t limit = 0; + ssize_t size; + int r; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + r = pm_runtime_get_sync(adev_to_drm(adev)->dev); + if (r < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return r; + } + + if (is_support_sw_smu(adev)) { + smu_get_power_limit(&adev->smu, &limit, false); + size = snprintf(buf, PAGE_SIZE, "%u\n", limit * 1000000); + } else if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->get_power_limit) { + adev->powerplay.pp_funcs->get_power_limit(adev->powerplay.pp_handle, &limit, false); + size = snprintf(buf, PAGE_SIZE, "%u\n", limit * 1000000); + } else { + size = snprintf(buf, PAGE_SIZE, "\n"); + } + + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + + return size; +} + + +static ssize_t amdgpu_hwmon_set_power_cap(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + struct amdgpu_device *adev = dev_get_drvdata(dev); + int err; + u32 value; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + if (amdgpu_sriov_vf(adev)) + return -EINVAL; + + err = kstrtou32(buf, 10, &value); + if (err) + return err; + + value = value / 1000000; /* convert to Watt */ + + + err = pm_runtime_get_sync(adev_to_drm(adev)->dev); + if (err < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return err; + } + + if (is_support_sw_smu(adev)) + 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); + else + err = -EINVAL; + + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + + if (err) + return err; + + return count; +} + +static ssize_t amdgpu_hwmon_show_sclk(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct amdgpu_device *adev = dev_get_drvdata(dev); + uint32_t sclk; + int r, size = sizeof(sclk); + + if (amdgpu_in_reset(adev)) + return -EPERM; + + r = pm_runtime_get_sync(adev_to_drm(adev)->dev); + if (r < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return r; + } + + /* get the sclk */ + r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GFX_SCLK, + (void *)&sclk, &size); + + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + + if (r) + return r; + + return snprintf(buf, PAGE_SIZE, "%u\n", sclk * 10 * 1000); +} + +static ssize_t amdgpu_hwmon_show_sclk_label(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + return snprintf(buf, PAGE_SIZE, "sclk\n"); +} + +static ssize_t amdgpu_hwmon_show_mclk(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct amdgpu_device *adev = dev_get_drvdata(dev); + uint32_t mclk; + int r, size = sizeof(mclk); + + if (amdgpu_in_reset(adev)) + return -EPERM; + + r = pm_runtime_get_sync(adev_to_drm(adev)->dev); + if (r < 0) { + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + return r; + } + + /* get the sclk */ + r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GFX_MCLK, + (void *)&mclk, &size); + + pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); + pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); + + if (r) + return r; + + return snprintf(buf, PAGE_SIZE, "%u\n", mclk * 10 * 1000); +} + +static ssize_t amdgpu_hwmon_show_mclk_label(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + return snprintf(buf, PAGE_SIZE, "mclk\n"); +} + +/** + * DOC: hwmon + * + * The amdgpu driver exposes the following sensor interfaces: + * + * - GPU temperature (via the on-die sensor) + * + * - GPU voltage + * + * - Northbridge voltage (APUs only) + * + * - GPU power + * + * - GPU fan + * + * - GPU gfx/compute engine clock + * + * - GPU memory clock (dGPU only) + * + * hwmon interfaces for GPU temperature: + * + * - temp[1-3]_input: the on die GPU temperature in millidegrees Celsius + * - temp2_input and temp3_input are supported on SOC15 dGPUs only + * + * - temp[1-3]_label: temperature channel label + * - temp2_label and temp3_label are supported on SOC15 dGPUs only + * + * - 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: + * + * - in0_input: the voltage on the GPU in millivolts + * + * - in1_input: the voltage on the Northbridge in millivolts + * + * hwmon interfaces for GPU power: + * + * - power1_average: average power used by the GPU in microWatts + * + * - power1_cap_min: minimum cap supported in microWatts + * + * - power1_cap_max: maximum cap supported in microWatts + * + * - power1_cap: selected power cap in microWatts + * + * hwmon interfaces for GPU fan: + * + * - pwm1: pulse width modulation fan level (0-255) + * + * - pwm1_enable: pulse width modulation fan control method (0: no fan speed control, 1: manual fan speed control using pwm interface, 2: automatic fan speed control) + * + * - pwm1_min: pulse width modulation fan control minimum level (0) + * + * - pwm1_max: pulse width modulation fan control maximum level (255) + * + * - fan1_min: an minimum value Unit: revolution/min (RPM) + * + * - fan1_max: an maxmum value Unit: revolution/max (RPM) + * + * - fan1_input: fan speed in RPM + * + * - fan[1-\*]_target: Desired fan speed Unit: revolution/min (RPM) + * + * - fan[1-\*]_enable: Enable or disable the sensors.1: Enable 0: Disable + * + * hwmon interfaces for GPU clocks: + * + * - freq1_input: the gfx/compute clock in hertz + * + * - freq2_input: the memory clock in hertz + * + * You can use hwmon tools like sensors to view this information on your system. + * + */ + +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); +static SENSOR_DEVICE_ATTR(pwm1_max, S_IRUGO, amdgpu_hwmon_get_pwm1_max, NULL, 0); +static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, amdgpu_hwmon_get_fan1_input, NULL, 0); +static SENSOR_DEVICE_ATTR(fan1_min, S_IRUGO, amdgpu_hwmon_get_fan1_min, NULL, 0); +static SENSOR_DEVICE_ATTR(fan1_max, S_IRUGO, amdgpu_hwmon_get_fan1_max, NULL, 0); +static SENSOR_DEVICE_ATTR(fan1_target, S_IRUGO | S_IWUSR, amdgpu_hwmon_get_fan1_target, amdgpu_hwmon_set_fan1_target, 0); +static SENSOR_DEVICE_ATTR(fan1_enable, S_IRUGO | S_IWUSR, amdgpu_hwmon_get_fan1_enable, amdgpu_hwmon_set_fan1_enable, 0); +static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, amdgpu_hwmon_show_vddgfx, NULL, 0); +static SENSOR_DEVICE_ATTR(in0_label, S_IRUGO, amdgpu_hwmon_show_vddgfx_label, NULL, 0); +static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, amdgpu_hwmon_show_vddnb, NULL, 0); +static SENSOR_DEVICE_ATTR(in1_label, S_IRUGO, amdgpu_hwmon_show_vddnb_label, NULL, 0); +static SENSOR_DEVICE_ATTR(power1_average, S_IRUGO, amdgpu_hwmon_show_power_avg, NULL, 0); +static SENSOR_DEVICE_ATTR(power1_cap_max, S_IRUGO, amdgpu_hwmon_show_power_cap_max, NULL, 0); +static SENSOR_DEVICE_ATTR(power1_cap_min, S_IRUGO, amdgpu_hwmon_show_power_cap_min, NULL, 0); +static SENSOR_DEVICE_ATTR(power1_cap, S_IRUGO | S_IWUSR, amdgpu_hwmon_show_power_cap, amdgpu_hwmon_set_power_cap, 0); +static SENSOR_DEVICE_ATTR(freq1_input, S_IRUGO, amdgpu_hwmon_show_sclk, NULL, 0); +static SENSOR_DEVICE_ATTR(freq1_label, S_IRUGO, amdgpu_hwmon_show_sclk_label, NULL, 0); +static SENSOR_DEVICE_ATTR(freq2_input, S_IRUGO, amdgpu_hwmon_show_mclk, NULL, 0); +static SENSOR_DEVICE_ATTR(freq2_label, S_IRUGO, amdgpu_hwmon_show_mclk_label, NULL, 0); + +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, + &sensor_dev_attr_pwm1_max.dev_attr.attr, + &sensor_dev_attr_fan1_input.dev_attr.attr, + &sensor_dev_attr_fan1_min.dev_attr.attr, + &sensor_dev_attr_fan1_max.dev_attr.attr, + &sensor_dev_attr_fan1_target.dev_attr.attr, + &sensor_dev_attr_fan1_enable.dev_attr.attr, + &sensor_dev_attr_in0_input.dev_attr.attr, + &sensor_dev_attr_in0_label.dev_attr.attr, + &sensor_dev_attr_in1_input.dev_attr.attr, + &sensor_dev_attr_in1_label.dev_attr.attr, + &sensor_dev_attr_power1_average.dev_attr.attr, + &sensor_dev_attr_power1_cap_max.dev_attr.attr, + &sensor_dev_attr_power1_cap_min.dev_attr.attr, + &sensor_dev_attr_power1_cap.dev_attr.attr, + &sensor_dev_attr_freq1_input.dev_attr.attr, + &sensor_dev_attr_freq1_label.dev_attr.attr, + &sensor_dev_attr_freq2_input.dev_attr.attr, + &sensor_dev_attr_freq2_label.dev_attr.attr, + NULL +}; + +static umode_t hwmon_attributes_visible(struct kobject *kobj, + struct attribute *attr, int index) +{ + struct device *dev = kobj_to_dev(kobj); + struct amdgpu_device *adev = dev_get_drvdata(dev); + umode_t effective_mode = attr->mode; + + /* under multi-vf mode, the hwmon attributes are all not supported */ + if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev)) + return 0; + + /* there is no fan under pp one vf mode */ + if (amdgpu_sriov_is_pp_one_vf(adev) && + (attr == &sensor_dev_attr_pwm1.dev_attr.attr || + attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr || + attr == &sensor_dev_attr_pwm1_max.dev_attr.attr || + attr == &sensor_dev_attr_pwm1_min.dev_attr.attr || + attr == &sensor_dev_attr_fan1_input.dev_attr.attr || + attr == &sensor_dev_attr_fan1_min.dev_attr.attr || + attr == &sensor_dev_attr_fan1_max.dev_attr.attr || + attr == &sensor_dev_attr_fan1_target.dev_attr.attr || + attr == &sensor_dev_attr_fan1_enable.dev_attr.attr)) + return 0; + + /* Skip fan attributes if fan is not present */ + if (adev->pm.no_fan && (attr == &sensor_dev_attr_pwm1.dev_attr.attr || + attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr || + attr == &sensor_dev_attr_pwm1_max.dev_attr.attr || + attr == &sensor_dev_attr_pwm1_min.dev_attr.attr || + attr == &sensor_dev_attr_fan1_input.dev_attr.attr || + attr == &sensor_dev_attr_fan1_min.dev_attr.attr || + attr == &sensor_dev_attr_fan1_max.dev_attr.attr || + attr == &sensor_dev_attr_fan1_target.dev_attr.attr || + attr == &sensor_dev_attr_fan1_enable.dev_attr.attr)) + return 0; + + /* Skip fan attributes on APU */ + if ((adev->flags & AMD_IS_APU) && + (attr == &sensor_dev_attr_pwm1.dev_attr.attr || + attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr || + attr == &sensor_dev_attr_pwm1_max.dev_attr.attr || + attr == &sensor_dev_attr_pwm1_min.dev_attr.attr || + attr == &sensor_dev_attr_fan1_input.dev_attr.attr || + attr == &sensor_dev_attr_fan1_min.dev_attr.attr || + attr == &sensor_dev_attr_fan1_max.dev_attr.attr || + attr == &sensor_dev_attr_fan1_target.dev_attr.attr || + attr == &sensor_dev_attr_fan1_enable.dev_attr.attr)) + return 0; + + /* Skip crit temp on APU */ + if ((adev->flags & AMD_IS_APU) && (adev->family >= AMDGPU_FAMILY_CZ) && + (attr == &sensor_dev_attr_temp1_crit.dev_attr.attr || + attr == &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr)) + return 0; + + /* Skip limit attributes if DPM is not enabled */ + if (!adev->pm.dpm_enabled && + (attr == &sensor_dev_attr_temp1_crit.dev_attr.attr || + attr == &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr || + attr == &sensor_dev_attr_pwm1.dev_attr.attr || + attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr || + attr == &sensor_dev_attr_pwm1_max.dev_attr.attr || + attr == &sensor_dev_attr_pwm1_min.dev_attr.attr || + attr == &sensor_dev_attr_fan1_input.dev_attr.attr || + attr == &sensor_dev_attr_fan1_min.dev_attr.attr || + attr == &sensor_dev_attr_fan1_max.dev_attr.attr || + attr == &sensor_dev_attr_fan1_target.dev_attr.attr || + attr == &sensor_dev_attr_fan1_enable.dev_attr.attr)) + return 0; + + if (!is_support_sw_smu(adev)) { + /* mask fan attributes if we have no bindings for this asic to expose */ + if ((!adev->powerplay.pp_funcs->get_fan_speed_percent && + attr == &sensor_dev_attr_pwm1.dev_attr.attr) || /* can't query fan */ + (!adev->powerplay.pp_funcs->get_fan_control_mode && + attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr)) /* can't query state */ + effective_mode &= ~S_IRUGO; + + if ((!adev->powerplay.pp_funcs->set_fan_speed_percent && + attr == &sensor_dev_attr_pwm1.dev_attr.attr) || /* can't manage fan */ + (!adev->powerplay.pp_funcs->set_fan_control_mode && + attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr)) /* can't manage state */ + effective_mode &= ~S_IWUSR; + } + + if (((adev->flags & AMD_IS_APU) || + adev->family == AMDGPU_FAMILY_SI) && /* not implemented yet */ + (attr == &sensor_dev_attr_power1_cap_max.dev_attr.attr || + attr == &sensor_dev_attr_power1_cap_min.dev_attr.attr|| + attr == &sensor_dev_attr_power1_cap.dev_attr.attr)) + return 0; + + if (((adev->family == AMDGPU_FAMILY_SI) || + ((adev->flags & AMD_IS_APU) && + (adev->asic_type < CHIP_RENOIR))) && /* not implemented yet */ + (attr == &sensor_dev_attr_power1_average.dev_attr.attr)) + return 0; + + if (!is_support_sw_smu(adev)) { + /* hide max/min values if we can't both query and manage the fan */ + if ((!adev->powerplay.pp_funcs->set_fan_speed_percent && + !adev->powerplay.pp_funcs->get_fan_speed_percent) && + (!adev->powerplay.pp_funcs->set_fan_speed_rpm && + !adev->powerplay.pp_funcs->get_fan_speed_rpm) && + (attr == &sensor_dev_attr_pwm1_max.dev_attr.attr || + attr == &sensor_dev_attr_pwm1_min.dev_attr.attr)) + return 0; + + if ((!adev->powerplay.pp_funcs->set_fan_speed_rpm && + !adev->powerplay.pp_funcs->get_fan_speed_rpm) && + (attr == &sensor_dev_attr_fan1_max.dev_attr.attr || + attr == &sensor_dev_attr_fan1_min.dev_attr.attr)) + 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 || + attr == &sensor_dev_attr_in1_label.dev_attr.attr)) + return 0; + + /* no mclk on APUs */ + if ((adev->flags & AMD_IS_APU) && + (attr == &sensor_dev_attr_freq2_input.dev_attr.attr || + 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; +} + +static const struct attribute_group hwmon_attrgroup = { + .attrs = hwmon_attributes, + .is_visible = hwmon_attributes_visible, +}; + +static const struct attribute_group *hwmon_groups[] = { + &hwmon_attrgroup, + NULL +}; + +int amdgpu_pm_sysfs_init(struct amdgpu_device *adev) +{ + int ret; + uint32_t mask = 0; + + if (adev->pm.sysfs_initialized) + return 0; + + if (adev->pm.dpm_enabled == 0) + return 0; + + INIT_LIST_HEAD(&adev->pm.pm_attr_list); + + adev->pm.int_hwmon_dev = hwmon_device_register_with_groups(adev->dev, + DRIVER_NAME, adev, + hwmon_groups); + if (IS_ERR(adev->pm.int_hwmon_dev)) { + ret = PTR_ERR(adev->pm.int_hwmon_dev); + dev_err(adev->dev, + "Unable to register hwmon device: %d\n", ret); + return ret; + } + + switch (amdgpu_virt_get_sriov_vf_mode(adev)) { + case SRIOV_VF_MODE_ONE_VF: + mask = ATTR_FLAG_ONEVF; + break; + case SRIOV_VF_MODE_MULTI_VF: + mask = 0; + break; + case SRIOV_VF_MODE_BARE_METAL: + default: + mask = ATTR_FLAG_MASK_ALL; + break; + } + + ret = amdgpu_device_attr_create_groups(adev, + amdgpu_device_attrs, + ARRAY_SIZE(amdgpu_device_attrs), + mask, + &adev->pm.pm_attr_list); + if (ret) + return ret; + + adev->pm.sysfs_initialized = true; + + return 0; +} + +void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev) +{ + if (adev->pm.dpm_enabled == 0) + return; + + if (adev->pm.int_hwmon_dev) + hwmon_device_unregister(adev->pm.int_hwmon_dev); + + amdgpu_device_attr_remove_groups(adev, &adev->pm.pm_attr_list); +} + +/* + * Debugfs info + */ +#if defined(CONFIG_DEBUG_FS) + +static int amdgpu_debugfs_pm_info_pp(struct seq_file *m, struct amdgpu_device *adev) +{ + uint32_t value; + uint64_t value64; + uint32_t query = 0; + int size; + + /* GPU Clocks */ + size = sizeof(value); + seq_printf(m, "GFX Clocks and Power:\n"); + if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GFX_MCLK, (void *)&value, &size)) + seq_printf(m, "\t%u MHz (MCLK)\n", value/100); + if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GFX_SCLK, (void *)&value, &size)) + seq_printf(m, "\t%u MHz (SCLK)\n", value/100); + if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK, (void *)&value, &size)) + seq_printf(m, "\t%u MHz (PSTATE_SCLK)\n", value/100); + if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK, (void *)&value, &size)) + seq_printf(m, "\t%u MHz (PSTATE_MCLK)\n", value/100); + if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VDDGFX, (void *)&value, &size)) + seq_printf(m, "\t%u mV (VDDGFX)\n", value); + if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VDDNB, (void *)&value, &size)) + seq_printf(m, "\t%u mV (VDDNB)\n", value); + size = sizeof(uint32_t); + if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_POWER, (void *)&query, &size)) + seq_printf(m, "\t%u.%u W (average GPU)\n", query >> 8, query & 0xff); + size = sizeof(value); + seq_printf(m, "\n"); + + /* GPU Temp */ + if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_TEMP, (void *)&value, &size)) + seq_printf(m, "GPU Temperature: %u C\n", value/1000); + + /* 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); + + 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"); + } 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); + } + } + } + + return 0; +} + +static void amdgpu_parse_cg_state(struct seq_file *m, u32 flags) +{ + int i; + + for (i = 0; clocks[i].flag; i++) + seq_printf(m, "\t%s: %s\n", clocks[i].name, + (flags & clocks[i].flag) ? "On" : "Off"); +} + +static int amdgpu_debugfs_pm_info(struct seq_file *m, void *data) +{ + struct drm_info_node *node = (struct drm_info_node *) m->private; + struct drm_device *dev = node->minor->dev; + struct amdgpu_device *adev = drm_to_adev(dev); + u32 flags = 0; + int r; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + r = pm_runtime_get_sync(dev->dev); + if (r < 0) { + pm_runtime_put_autosuspend(dev->dev); + return r; + } + + if (!adev->pm.dpm_enabled) { + seq_printf(m, "dpm not enabled\n"); + pm_runtime_mark_last_busy(dev->dev); + pm_runtime_put_autosuspend(dev->dev); + return 0; + } + + if (!is_support_sw_smu(adev) && + adev->powerplay.pp_funcs->debugfs_print_current_performance_level) { + mutex_lock(&adev->pm.mutex); + if (adev->powerplay.pp_funcs->debugfs_print_current_performance_level) + adev->powerplay.pp_funcs->debugfs_print_current_performance_level(adev, m); + else + seq_printf(m, "Debugfs support not implemented for this asic\n"); + mutex_unlock(&adev->pm.mutex); + r = 0; + } else { + r = amdgpu_debugfs_pm_info_pp(m, adev); + } + if (r) + goto out; + + amdgpu_device_ip_get_clockgating_state(adev, &flags); + + seq_printf(m, "Clock Gating Flags Mask: 0x%x\n", flags); + amdgpu_parse_cg_state(m, flags); + seq_printf(m, "\n"); + +out: + pm_runtime_mark_last_busy(dev->dev); + pm_runtime_put_autosuspend(dev->dev); + + return r; +} + +static const struct drm_info_list amdgpu_pm_info_list[] = { + {"amdgpu_pm_info", amdgpu_debugfs_pm_info, 0, NULL}, +}; +#endif + +int amdgpu_debugfs_pm_init(struct amdgpu_device *adev) +{ +#if defined(CONFIG_DEBUG_FS) + return amdgpu_debugfs_add_files(adev, amdgpu_pm_info_list, ARRAY_SIZE(amdgpu_pm_info_list)); +#else + return 0; +#endif +} |