From: Kevin Wang Date: Fri, 11 Jan 2019 06:51:24 +0000 (+0800) Subject: drm/amd/powerplay: implement sysfs of amdgpu_get_busy_percent for smu11 X-Git-Tag: v5.4-rc1~971^2~36^2~283 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4a5a2de66686e317ddcb090e3b1ee45b4219003a;p=platform%2Fkernel%2Flinux-rpi.git drm/amd/powerplay: implement sysfs of amdgpu_get_busy_percent for smu11 add interface amdgpu_get_busy_percent for smu11 v2: convert data pointer type to uint32_t *. Signed-off-by: Kevin Wang Reviewed-by: Huang Rui Acked-by: Alex Deucher Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c index 4ae3ff9..8930d66 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c @@ -568,10 +568,9 @@ static ssize_t amdgpu_debugfs_sensor_read(struct file *f, char __user *buf, idx = *pos >> 2; valuesize = sizeof(values); - if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->read_sensor) - r = amdgpu_dpm_read_sensor(adev, idx, &values[0], &valuesize); - else - return -EINVAL; + r = amdgpu_dpm_read_sensor(adev, idx, &values[0], &valuesize); + if (r) + return r; if (size > valuesize) return -EINVAL; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h index e871e02..cc3f27e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h @@ -260,9 +260,6 @@ enum amdgpu_pcie_gen { #define amdgpu_dpm_enable_bapm(adev, e) \ ((adev)->powerplay.pp_funcs->enable_bapm((adev)->powerplay.pp_handle, (e))) -#define amdgpu_dpm_read_sensor(adev, idx, value, size) \ - ((adev)->powerplay.pp_funcs->read_sensor((adev)->powerplay.pp_handle, (idx), (value), (size))) - #define amdgpu_dpm_set_fan_control_mode(adev, m) \ ((adev)->powerplay.pp_funcs->set_fan_control_mode((adev)->powerplay.pp_handle, (m))) @@ -486,6 +483,8 @@ void amdgpu_dpm_print_ps_status(struct amdgpu_device *adev, u32 amdgpu_dpm_get_vblank_time(struct amdgpu_device *adev); u32 amdgpu_dpm_get_vrefresh(struct amdgpu_device *adev); void amdgpu_dpm_get_active_displays(struct amdgpu_device *adev); +int amdgpu_dpm_read_sensor(struct amdgpu_device *adev, enum amd_pp_sensors sensor, + void *data, uint32_t *size); bool amdgpu_is_internal_thermal_sensor(enum amdgpu_int_thermal_type sensor); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c index a5ca9c4..e2d4235 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c @@ -81,6 +81,27 @@ void amdgpu_pm_acpi_event_handler(struct amdgpu_device *adev) } } +int amdgpu_dpm_read_sensor(struct amdgpu_device *adev, enum amd_pp_sensors sensor, + void *data, uint32_t *size) +{ + int ret = 0; + + if (!data || !size) + return -EINVAL; + + if (is_support_sw_smu(adev)) + ret = smu_read_sensor(&adev->smu, sensor, data, size); + else { + if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->read_sensor) + ret = adev->powerplay.pp_funcs->read_sensor((adev)->powerplay.pp_handle, + sensor, data, size); + else + ret = -EINVAL; + } + + return ret; +} + /** * DOC: power_dpm_state * @@ -1151,14 +1172,10 @@ static ssize_t amdgpu_get_busy_percent(struct device *dev, struct amdgpu_device *adev = ddev->dev_private; int r, value, size = sizeof(value); - /* sanity check PP is enabled */ - if (!(adev->powerplay.pp_funcs && - adev->powerplay.pp_funcs->read_sensor)) - return -EINVAL; - /* read the IP busy sensor */ r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_LOAD, (void *)&value, &size); + if (r) return r; @@ -1252,11 +1269,6 @@ static ssize_t amdgpu_hwmon_show_temp(struct device *dev, (ddev->switch_power_state != DRM_SWITCH_POWER_ON)) return -EINVAL; - /* sanity check PP is enabled */ - if (!(adev->powerplay.pp_funcs && - adev->powerplay.pp_funcs->read_sensor)) - return -EINVAL; - /* get the temperature */ r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_TEMP, (void *)&temp, &size); @@ -1427,9 +1439,6 @@ static ssize_t amdgpu_hwmon_get_fan1_min(struct device *dev, u32 size = sizeof(min_rpm); int r; - if (!adev->powerplay.pp_funcs->read_sensor) - return -EINVAL; - r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_MIN_FAN_RPM, (void *)&min_rpm, &size); if (r) @@ -1447,9 +1456,6 @@ static ssize_t amdgpu_hwmon_get_fan1_max(struct device *dev, u32 size = sizeof(max_rpm); int r; - if (!adev->powerplay.pp_funcs->read_sensor) - return -EINVAL; - r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_MAX_FAN_RPM, (void *)&max_rpm, &size); if (r) @@ -1574,11 +1580,6 @@ static ssize_t amdgpu_hwmon_show_vddgfx(struct device *dev, (ddev->switch_power_state != DRM_SWITCH_POWER_ON)) return -EINVAL; - /* sanity check PP is enabled */ - if (!(adev->powerplay.pp_funcs && - adev->powerplay.pp_funcs->read_sensor)) - return -EINVAL; - /* get the voltage */ r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VDDGFX, (void *)&vddgfx, &size); @@ -1613,11 +1614,6 @@ static ssize_t amdgpu_hwmon_show_vddnb(struct device *dev, (ddev->switch_power_state != DRM_SWITCH_POWER_ON)) return -EINVAL; - /* sanity check PP is enabled */ - if (!(adev->powerplay.pp_funcs && - adev->powerplay.pp_funcs->read_sensor)) - return -EINVAL; - /* get the voltage */ r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VDDNB, (void *)&vddnb, &size); @@ -1649,11 +1645,6 @@ static ssize_t amdgpu_hwmon_show_power_avg(struct device *dev, (ddev->switch_power_state != DRM_SWITCH_POWER_ON)) return -EINVAL; - /* sanity check PP is enabled */ - if (!(adev->powerplay.pp_funcs && - adev->powerplay.pp_funcs->read_sensor)) - return -EINVAL; - /* get the voltage */ r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_POWER, (void *)&query, &size); @@ -2044,9 +2035,7 @@ void amdgpu_dpm_thermal_work_handler(struct work_struct *work) if (!adev->pm.dpm_enabled) return; - if (adev->powerplay.pp_funcs && - adev->powerplay.pp_funcs->read_sensor && - !amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_TEMP, + if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_TEMP, (void *)&temp, &size)) { if (temp < adev->pm.dpm.thermal.min_temp) /* switch back the user state */ @@ -2558,11 +2547,6 @@ static int amdgpu_debugfs_pm_info_pp(struct seq_file *m, struct amdgpu_device *a uint32_t query = 0; int size; - /* sanity check PP is enabled */ - if (!(adev->powerplay.pp_funcs && - adev->powerplay.pp_funcs->read_sensor)) - return -EINVAL; - /* GPU Clocks */ size = sizeof(value); seq_printf(m, "GFX Clocks and Power:\n"); diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h index 51fb1f9..43c2b9e 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h +++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h @@ -23,6 +23,7 @@ #define __AMDGPU_SMU_H__ #include "amdgpu.h" +#include "kgd_pp_interface.h" enum smu_message_type { @@ -258,6 +259,8 @@ struct smu_funcs int (*get_current_clk_freq)(struct smu_context *smu, uint32_t clk_id, uint32_t *value); int (*init_max_sustainable_clocks)(struct smu_context *smu); int (*start_thermal_control)(struct smu_context *smu); + int (*read_sensor)(struct smu_context *smu, enum amd_pp_sensors sensor, + void *data, uint32_t *size); }; #define smu_init_microcode(smu) \ @@ -342,6 +345,8 @@ struct smu_funcs ((smu)->ppt_funcs->print_clk_levels ? (smu)->ppt_funcs->print_clk_levels((smu), (type), (buf)) : 0) #define smu_start_thermal_control(smu) \ ((smu)->funcs->start_thermal_control? (smu)->funcs->start_thermal_control((smu)) : 0) +#define smu_read_sensor(smu, sensor, data, size) \ + ((smu)->funcs->read_sensor? (smu)->funcs->read_sensor((smu), (sensor), (data), (size)) : 0) #define smu_msg_get_index(smu, msg) \ ((smu)->ppt_funcs? ((smu)->ppt_funcs->get_smu_msg_index? (smu)->ppt_funcs->get_smu_msg_index((smu), (msg)) : -EINVAL) : -EINVAL) diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c index 8ba6b9f..e6b16b6 100644 --- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c +++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c @@ -990,6 +990,46 @@ static int smu_v11_0_start_thermal_control(struct smu_context *smu) return ret; } +static int smu_v11_0_get_current_activity_percent(struct smu_context *smu, + uint32_t *value) +{ + int ret = 0; + SmuMetrics_t metrics; + + if (!value) + return -EINVAL; + + ret = smu_update_table(smu, TABLE_SMU_METRICS, (void *)&metrics, false); + if (ret) + return ret; + + *value = metrics.AverageGfxActivity; + + return 0; +} + +static int smu_v11_0_read_sensor(struct smu_context *smu, + enum amd_pp_sensors sensor, + void *data, uint32_t *size) +{ + int ret = 0; + switch (sensor) { + case AMDGPU_PP_SENSOR_GPU_LOAD: + ret = smu_v11_0_get_current_activity_percent(smu, + (uint32_t *)data); + *size = 4; + break; + default: + ret = -EINVAL; + break; + } + + if (ret) + *size = 0; + + return ret; +} + static const struct smu_funcs smu_v11_0_funcs = { .init_microcode = smu_v11_0_init_microcode, .load_microcode = smu_v11_0_load_microcode, @@ -1022,6 +1062,7 @@ static const struct smu_funcs smu_v11_0_funcs = { .get_current_clk_freq = smu_v11_0_get_current_clk_freq, .init_max_sustainable_clocks = smu_v11_0_init_max_sustainable_clocks, .start_thermal_control = smu_v11_0_start_thermal_control, + .read_sensor = smu_v11_0_read_sensor, }; void smu_v11_0_set_smu_funcs(struct smu_context *smu)