From 86b96db7ca91553b3c87bad0206a6493257a74ea Mon Sep 17 00:00:00 2001 From: Eric Huang Date: Fri, 11 Dec 2015 16:24:34 -0500 Subject: [PATCH 0242/1110] drm/amd/powerplay: add some sysfs interfaces for powerplay. The new sysfs interfaces: pp_num_states: Read-only, return the number of all pp states, 0 if powerplay is not available. pp_cur_state: Read-only, return the index number of current pp state. pp_force_state: Read-write, to write a power state index will switch to selected state forcedly and enable forced state mode, disable forced state mode. such as "echo >...". pp_table: Read-write, binary output, to be used to read or write the dpm table, the maximum file size is 4KB of page size. pp_dpm_sclk: Read-write, reading will return a dpm levels list, to write an index number will force powerplay to set the corresponding dpm level. pp_dpm_mclk: same as sclk. pp_dpm_pcie: same as sclk. And add new setting "manual" to the existing interface power_dpm_force_performance_level. Reviewed-by: Alex Deucher Signed-off-by: Eric Huang Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 17 ++ drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 336 +++++++++++++++++++++- drivers/gpu/drm/amd/powerplay/amd_powerplay.c | 116 +++++++- drivers/gpu/drm/amd/powerplay/inc/amd_powerplay.h | 17 ++ drivers/gpu/drm/amd/powerplay/inc/hwmgr.h | 4 + 5 files changed, 488 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index de1e6ca..0e65ffe 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1468,6 +1468,7 @@ enum amdgpu_dpm_forced_level { AMDGPU_DPM_FORCED_LEVEL_AUTO = 0, AMDGPU_DPM_FORCED_LEVEL_LOW = 1, AMDGPU_DPM_FORCED_LEVEL_HIGH = 2, + AMDGPU_DPM_FORCED_LEVEL_MANUAL = 3, }; struct amdgpu_vce_state { @@ -1980,6 +1981,7 @@ struct amdgpu_device { /* powerplay */ struct amd_powerplay powerplay; bool pp_enabled; + bool pp_force_state_enabled; /* dpm */ struct amdgpu_pm pm; @@ -2267,6 +2269,21 @@ amdgpu_get_sdma_instance(struct amdgpu_ring *ring) #define amdgpu_dpm_get_performance_level(adev) \ (adev)->powerplay.pp_funcs->get_performance_level((adev)->powerplay.pp_handle) +#define amdgpu_dpm_get_pp_num_states(adev, data) \ + (adev)->powerplay.pp_funcs->get_pp_num_states((adev)->powerplay.pp_handle, data) + +#define amdgpu_dpm_get_pp_table(adev, table) \ + (adev)->powerplay.pp_funcs->get_pp_table((adev)->powerplay.pp_handle, table) + +#define amdgpu_dpm_set_pp_table(adev, buf, size) \ + (adev)->powerplay.pp_funcs->set_pp_table((adev)->powerplay.pp_handle, buf, size) + +#define amdgpu_dpm_print_clock_levels(adev, type, buf) \ + (adev)->powerplay.pp_funcs->print_clock_levels((adev)->powerplay.pp_handle, type, buf) + +#define amdgpu_dpm_force_clock_level(adev, type, level) \ + (adev)->powerplay.pp_funcs->force_clock_level((adev)->powerplay.pp_handle, type, level) + #define amdgpu_dpm_dispatch_task(adev, event_id, input, output) \ (adev)->powerplay.pp_funcs->dispatch_tasks((adev)->powerplay.pp_handle, (event_id), (input), (output)) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c index 54e1cac..ff9597c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c @@ -123,7 +123,9 @@ static ssize_t amdgpu_get_dpm_forced_performance_level(struct device *dev, level = amdgpu_dpm_get_performance_level(adev); return snprintf(buf, PAGE_SIZE, "%s\n", (level == AMD_DPM_FORCED_LEVEL_AUTO) ? "auto" : - (level == AMD_DPM_FORCED_LEVEL_LOW) ? "low" : "high"); + (level == AMD_DPM_FORCED_LEVEL_LOW) ? "low" : + (level == AMD_DPM_FORCED_LEVEL_HIGH) ? "high" : + (level == AMD_DPM_FORCED_LEVEL_MANUAL) ? "manual" : "unknown"); } else { enum amdgpu_dpm_forced_level level; @@ -155,6 +157,8 @@ static ssize_t amdgpu_set_dpm_forced_performance_level(struct device *dev, level = AMDGPU_DPM_FORCED_LEVEL_HIGH; } else if (strncmp("auto", buf, strlen("auto")) == 0) { level = AMDGPU_DPM_FORCED_LEVEL_AUTO; + } else if (strncmp("manual", buf, strlen("manual")) == 0) { + level = AMDGPU_DPM_FORCED_LEVEL_MANUAL; } else { count = -EINVAL; goto fail; @@ -180,10 +184,293 @@ fail: 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 = ddev->dev_private; + struct pp_states_info data; + int i, buf_len; + + if (adev->pp_enabled) + amdgpu_dpm_get_pp_num_states(adev, &data); + + 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 = ddev->dev_private; + struct pp_states_info data; + enum amd_pm_state_type pm = 0; + int i = 0; + + if (adev->pp_enabled) { + + pm = amdgpu_dpm_get_current_power_state(adev); + amdgpu_dpm_get_pp_num_states(adev, &data); + + 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 = ddev->dev_private; + struct pp_states_info data; + enum amd_pm_state_type pm = 0; + int i; + + if (adev->pp_force_state_enabled && adev->pp_enabled) { + pm = amdgpu_dpm_get_current_power_state(adev); + amdgpu_dpm_get_pp_num_states(adev, &data); + + 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); + + } 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 = ddev->dev_private; + enum amd_pm_state_type state = 0; + long idx; + int ret; + + if (strlen(buf) == 1) + adev->pp_force_state_enabled = false; + else { + ret = kstrtol(buf, 0, &idx); + + if (ret) { + count = -EINVAL; + goto fail; + } + + if (adev->pp_enabled) { + struct pp_states_info data; + amdgpu_dpm_get_pp_num_states(adev, &data); + state = data.states[idx]; + /* 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_EVENT_ENABLE_USER_STATE, &state, NULL); + adev->pp_force_state_enabled = true; + } + } + } +fail: + return count; +} + +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 = ddev->dev_private; + char *table = NULL; + int size, i; + + if (adev->pp_enabled) + size = amdgpu_dpm_get_pp_table(adev, &table); + else + return 0; + + if (size >= PAGE_SIZE) + size = PAGE_SIZE - 1; + + for (i = 0; i < size; i++) { + sprintf(buf + i, "%02x", table[i]); + } + sprintf(buf + i, "\n"); + + 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 = ddev->dev_private; + + if (adev->pp_enabled) + amdgpu_dpm_set_pp_table(adev, buf, count); + + return count; +} + +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 = ddev->dev_private; + ssize_t size = 0; + + if (adev->pp_enabled) + size = amdgpu_dpm_print_clock_levels(adev, PP_SCLK, buf); + + return size; +} + +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 = ddev->dev_private; + int ret; + long level; + + ret = kstrtol(buf, 0, &level); + + if (ret) { + count = -EINVAL; + goto fail; + } + + if (adev->pp_enabled) + amdgpu_dpm_force_clock_level(adev, PP_SCLK, level); +fail: + 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 = ddev->dev_private; + ssize_t size = 0; + + if (adev->pp_enabled) + size = amdgpu_dpm_print_clock_levels(adev, PP_MCLK, buf); + + 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 = ddev->dev_private; + int ret; + long level; + + ret = kstrtol(buf, 0, &level); + + if (ret) { + count = -EINVAL; + goto fail; + } + + if (adev->pp_enabled) + amdgpu_dpm_force_clock_level(adev, PP_MCLK, level); +fail: + 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 = ddev->dev_private; + ssize_t size = 0; + + if (adev->pp_enabled) + size = amdgpu_dpm_print_clock_levels(adev, PP_PCIE, buf); + + 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 = ddev->dev_private; + int ret; + long level; + + ret = kstrtol(buf, 0, &level); + + if (ret) { + count = -EINVAL; + goto fail; + } + + if (adev->pp_enabled) + amdgpu_dpm_force_clock_level(adev, PP_PCIE, level); +fail: + return count; +} + static DEVICE_ATTR(power_dpm_state, S_IRUGO | S_IWUSR, amdgpu_get_dpm_state, amdgpu_set_dpm_state); static DEVICE_ATTR(power_dpm_force_performance_level, S_IRUGO | S_IWUSR, amdgpu_get_dpm_forced_performance_level, amdgpu_set_dpm_forced_performance_level); +static DEVICE_ATTR(pp_num_states, S_IRUGO, amdgpu_get_pp_num_states, NULL); +static DEVICE_ATTR(pp_cur_state, S_IRUGO, amdgpu_get_pp_cur_state, NULL); +static DEVICE_ATTR(pp_force_state, S_IRUGO | S_IWUSR, + amdgpu_get_pp_force_state, + amdgpu_set_pp_force_state); +static DEVICE_ATTR(pp_table, S_IRUGO | S_IWUSR, + amdgpu_get_pp_table, + amdgpu_set_pp_table); +static DEVICE_ATTR(pp_dpm_sclk, S_IRUGO | S_IWUSR, + amdgpu_get_pp_dpm_sclk, + amdgpu_set_pp_dpm_sclk); +static DEVICE_ATTR(pp_dpm_mclk, S_IRUGO | S_IWUSR, + amdgpu_get_pp_dpm_mclk, + amdgpu_set_pp_dpm_mclk); +static DEVICE_ATTR(pp_dpm_pcie, S_IRUGO | S_IWUSR, + amdgpu_get_pp_dpm_pcie, + amdgpu_set_pp_dpm_pcie); static ssize_t amdgpu_hwmon_show_temp(struct device *dev, struct device_attribute *attr, @@ -780,6 +1067,44 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev) DRM_ERROR("failed to create device file for dpm state\n"); return ret; } + + if (adev->pp_enabled) { + ret = device_create_file(adev->dev, &dev_attr_pp_num_states); + if (ret) { + DRM_ERROR("failed to create device file pp_num_states\n"); + return ret; + } + ret = device_create_file(adev->dev, &dev_attr_pp_cur_state); + if (ret) { + DRM_ERROR("failed to create device file pp_cur_state\n"); + return ret; + } + ret = device_create_file(adev->dev, &dev_attr_pp_force_state); + if (ret) { + DRM_ERROR("failed to create device file pp_force_state\n"); + return ret; + } + ret = device_create_file(adev->dev, &dev_attr_pp_table); + if (ret) { + DRM_ERROR("failed to create device file pp_table\n"); + return ret; + } + ret = device_create_file(adev->dev, &dev_attr_pp_dpm_sclk); + if (ret) { + DRM_ERROR("failed to create device file pp_dpm_sclk\n"); + return ret; + } + ret = device_create_file(adev->dev, &dev_attr_pp_dpm_mclk); + if (ret) { + DRM_ERROR("failed to create device file pp_dpm_mclk\n"); + return ret; + } + ret = device_create_file(adev->dev, &dev_attr_pp_dpm_pcie); + if (ret) { + DRM_ERROR("failed to create device file pp_dpm_pcie\n"); + return ret; + } + } ret = amdgpu_debugfs_pm_init(adev); if (ret) { DRM_ERROR("Failed to register debugfs file for dpm!\n"); @@ -797,6 +1122,15 @@ void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev) hwmon_device_unregister(adev->pm.int_hwmon_dev); device_remove_file(adev->dev, &dev_attr_power_dpm_state); device_remove_file(adev->dev, &dev_attr_power_dpm_force_performance_level); + if (adev->pp_enabled) { + device_remove_file(adev->dev, &dev_attr_pp_num_states); + device_remove_file(adev->dev, &dev_attr_pp_cur_state); + device_remove_file(adev->dev, &dev_attr_pp_force_state); + device_remove_file(adev->dev, &dev_attr_pp_table); + device_remove_file(adev->dev, &dev_attr_pp_dpm_sclk); + device_remove_file(adev->dev, &dev_attr_pp_dpm_mclk); + device_remove_file(adev->dev, &dev_attr_pp_dpm_pcie); + } } void amdgpu_pm_compute_clocks(struct amdgpu_device *adev) diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c index 589599f..bbc6bda 100644 --- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c +++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c @@ -436,7 +436,10 @@ enum amd_pm_state_type pp_dpm_get_current_power_state(void *handle) case PP_StateUILabel_Performance: return POWER_STATE_TYPE_PERFORMANCE; default: - return POWER_STATE_TYPE_DEFAULT; + if (state->classification.flags & PP_StateClassificationFlag_Boot) + return POWER_STATE_TYPE_INTERNAL_BOOT; + else + return POWER_STATE_TYPE_DEFAULT; } } @@ -538,6 +541,112 @@ static int pp_dpm_get_temperature(void *handle) return hwmgr->hwmgr_func->get_temperature(hwmgr); } +static int pp_dpm_get_pp_num_states(void *handle, + struct pp_states_info *data) +{ + struct pp_hwmgr *hwmgr; + int i; + + if (!handle) + return -EINVAL; + + hwmgr = ((struct pp_instance *)handle)->hwmgr; + + if (hwmgr == NULL || hwmgr->ps == NULL) + return -EINVAL; + + data->nums = hwmgr->num_ps; + + for (i = 0; i < hwmgr->num_ps; i++) { + struct pp_power_state *state = (struct pp_power_state *) + ((unsigned long)hwmgr->ps + i * hwmgr->ps_size); + switch (state->classification.ui_label) { + case PP_StateUILabel_Battery: + data->states[i] = POWER_STATE_TYPE_BATTERY; + break; + case PP_StateUILabel_Balanced: + data->states[i] = POWER_STATE_TYPE_BALANCED; + break; + case PP_StateUILabel_Performance: + data->states[i] = POWER_STATE_TYPE_PERFORMANCE; + break; + default: + if (state->classification.flags & PP_StateClassificationFlag_Boot) + data->states[i] = POWER_STATE_TYPE_INTERNAL_BOOT; + else + data->states[i] = POWER_STATE_TYPE_DEFAULT; + } + } + + return 0; +} + +static int pp_dpm_get_pp_table(void *handle, char **table) +{ + struct pp_hwmgr *hwmgr; + + if (!handle) + return -EINVAL; + + hwmgr = ((struct pp_instance *)handle)->hwmgr; + + if (hwmgr == NULL || hwmgr->hwmgr_func == NULL || + hwmgr->hwmgr_func->get_pp_table == NULL) + return -EINVAL; + + return hwmgr->hwmgr_func->get_pp_table(hwmgr, table); +} + +static int pp_dpm_set_pp_table(void *handle, const char *buf, size_t size) +{ + struct pp_hwmgr *hwmgr; + + if (!handle) + return -EINVAL; + + hwmgr = ((struct pp_instance *)handle)->hwmgr; + + if (hwmgr == NULL || hwmgr->hwmgr_func == NULL || + hwmgr->hwmgr_func->set_pp_table == NULL) + return -EINVAL; + + return hwmgr->hwmgr_func->set_pp_table(hwmgr, buf, size); +} + +static int pp_dpm_force_clock_level(void *handle, + enum pp_clock_type type, int level) +{ + struct pp_hwmgr *hwmgr; + + if (!handle) + return -EINVAL; + + hwmgr = ((struct pp_instance *)handle)->hwmgr; + + if (hwmgr == NULL || hwmgr->hwmgr_func == NULL || + hwmgr->hwmgr_func->force_clock_level == NULL) + return -EINVAL; + + return hwmgr->hwmgr_func->force_clock_level(hwmgr, type, level); +} + +static int pp_dpm_print_clock_levels(void *handle, + enum pp_clock_type type, char *buf) +{ + struct pp_hwmgr *hwmgr; + + if (!handle) + return -EINVAL; + + hwmgr = ((struct pp_instance *)handle)->hwmgr; + + if (hwmgr == NULL || hwmgr->hwmgr_func == NULL || + hwmgr->hwmgr_func->print_clock_levels == NULL) + return -EINVAL; + + return hwmgr->hwmgr_func->print_clock_levels(hwmgr, type, buf); +} + const struct amd_powerplay_funcs pp_dpm_funcs = { .get_temperature = pp_dpm_get_temperature, .load_firmware = pp_dpm_load_fw, @@ -555,6 +664,11 @@ const struct amd_powerplay_funcs pp_dpm_funcs = { .get_fan_control_mode = pp_dpm_get_fan_control_mode, .set_fan_speed_percent = pp_dpm_set_fan_speed_percent, .get_fan_speed_percent = pp_dpm_get_fan_speed_percent, + .get_pp_num_states = pp_dpm_get_pp_num_states, + .get_pp_table = pp_dpm_get_pp_table, + .set_pp_table = pp_dpm_set_pp_table, + .force_clock_level = pp_dpm_force_clock_level, + .print_clock_levels = pp_dpm_print_clock_levels, }; static int amd_pp_instance_init(struct amd_pp_init *pp_init, diff --git a/drivers/gpu/drm/amd/powerplay/inc/amd_powerplay.h b/drivers/gpu/drm/amd/powerplay/inc/amd_powerplay.h index d9b8d3f..ee23606 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/amd_powerplay.h +++ b/drivers/gpu/drm/amd/powerplay/inc/amd_powerplay.h @@ -122,6 +122,7 @@ enum amd_dpm_forced_level { AMD_DPM_FORCED_LEVEL_AUTO = 0, AMD_DPM_FORCED_LEVEL_LOW = 1, AMD_DPM_FORCED_LEVEL_HIGH = 2, + AMD_DPM_FORCED_LEVEL_MANUAL = 3, }; struct amd_pp_init { @@ -224,6 +225,17 @@ enum { PP_GROUP_MAX }; +enum pp_clock_type { + PP_SCLK, + PP_MCLK, + PP_PCIE, +}; + +struct pp_states_info { + uint32_t nums; + uint32_t states[16]; +}; + #define PP_GROUP_MASK 0xF0000000 #define PP_GROUP_SHIFT 28 @@ -277,6 +289,11 @@ struct amd_powerplay_funcs { int (*get_fan_control_mode)(void *handle); int (*set_fan_speed_percent)(void *handle, uint32_t percent); int (*get_fan_speed_percent)(void *handle, uint32_t *speed); + int (*get_pp_num_states)(void *handle, struct pp_states_info *data); + int (*get_pp_table)(void *handle, char **table); + int (*set_pp_table)(void *handle, const char *buf, size_t size); + int (*force_clock_level)(void *handle, enum pp_clock_type type, int level); + int (*print_clock_levels)(void *handle, enum pp_clock_type type, char *buf); }; struct amd_powerplay { diff --git a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h index aeaa3db..4094e81 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h +++ b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h @@ -327,6 +327,10 @@ struct pp_hwmgr_func { int (*get_dal_power_level)(struct pp_hwmgr *hwmgr, struct amd_pp_dal_clock_info *info); int (*power_off_asic)(struct pp_hwmgr *hwmgr); + int (*get_pp_table)(struct pp_hwmgr *hwmgr, char **table); + int (*set_pp_table)(struct pp_hwmgr *hwmgr, const char *buf, size_t size); + int (*force_clock_level)(struct pp_hwmgr *hwmgr, enum pp_clock_type type, int level); + int (*print_clock_levels)(struct pp_hwmgr *hwmgr, enum pp_clock_type type, char *buf); }; struct pp_table_func { -- 2.7.4