Re: [PATCH 2/6] drm/amd/powerplay: support edge/memory critical limit values

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On Thu, Apr 18, 2019 at 5:03 AM Evan Quan <evan.quan@xxxxxxx> wrote:
>
> These new interfaces(temp2_crit, temp2_crit_hyst, temp3_crit,
> temp3_crit_hyst) are supported on SOC15 dGPUs only.
>
> Change-Id: Ia87e3f6ad816b51d6680eb74c8f755d6c2b0a6ae
> Signed-off-by: Evan Quan <evan.quan@xxxxxxx>

Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>

> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h       |  8 +++
>  drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c        | 51 +++++++++++++++++--
>  .../drm/amd/powerplay/hwmgr/hardwaremanager.c | 12 ++++-
>  .../drm/amd/powerplay/hwmgr/vega10_hwmgr.c    |  6 +++
>  .../drm/amd/powerplay/hwmgr/vega12_hwmgr.c    |  7 +++
>  .../drm/amd/powerplay/hwmgr/vega20_hwmgr.c    |  7 +++
>  .../gpu/drm/amd/powerplay/inc/power_state.h   |  4 ++
>  .../gpu/drm/amd/powerplay/inc/pp_thermal.h    |  8 +--
>  8 files changed, 95 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h
> index dca35407879d..e1492438ae7b 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h
> @@ -75,6 +75,14 @@ struct amdgpu_dpm_thermal {
>         int                min_temp;
>         /* high temperature threshold */
>         int                max_temp;
> +       /* edge low temperature threshold */
> +       int                min_edge_temp;
> +       /* edge high temperature critical threshold */
> +       int                max_edge_crit_temp;
> +       /* memory low temperature threshold */
> +       int                min_mem_temp;
> +       /* memory high temperature critical threshold */
> +       int                max_mem_crit_temp;
>         /* was last interrupt low to high or high to low */
>         bool               high_to_low;
>         /* interrupt source */
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
> index c17eb228417e..3f6b5b5bb0c6 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
> @@ -1466,6 +1466,37 @@ static ssize_t amdgpu_hwmon_show_temp_thresh(struct device *dev,
>         return snprintf(buf, PAGE_SIZE, "%d\n", temp);
>  }
>
> +static ssize_t amdgpu_hwmon_show_edge_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_edge_temp;
> +       else
> +               temp = adev->pm.dpm.thermal.max_edge_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,
> @@ -2054,9 +2085,11 @@ static ssize_t amdgpu_hwmon_show_mclk_label(struct device *dev,
>   *
>   * - temp1_input: the on die GPU temperature in millidegrees Celsius
>   *
> - * - temp1_crit: temperature critical max value in millidegrees Celsius
> + * - temp[1-3]_crit: temperature critical max value in millidegrees Celsius
> + *   - temp2_crit and temp3_crit are supported on SOC15 dGPUs only
>   *
> - * - temp1_crit_hyst: temperature hysteresis for critical limit in millidegrees Celsius
> + * - 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
>   *
>   * hwmon interfaces for GPU voltage:
>   *
> @@ -2107,6 +2140,10 @@ static ssize_t amdgpu_hwmon_show_mclk_label(struct device *dev,
>  static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, amdgpu_hwmon_show_temp, NULL, 0);
>  static SENSOR_DEVICE_ATTR(temp1_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(temp2_crit, S_IRUGO, amdgpu_hwmon_show_edge_temp_thresh, NULL, 0);
> +static SENSOR_DEVICE_ATTR(temp2_crit_hyst, S_IRUGO, amdgpu_hwmon_show_edge_temp_thresh, NULL, 1);
> +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(temp1_label, S_IRUGO, amdgpu_hwmon_show_temp_label, NULL, PP_TEMP_JUNCTION);
>  static SENSOR_DEVICE_ATTR(temp2_label, S_IRUGO, amdgpu_hwmon_show_temp_label, NULL, PP_TEMP_EDGE);
>  static SENSOR_DEVICE_ATTR(temp3_label, S_IRUGO, amdgpu_hwmon_show_temp_label, NULL, PP_TEMP_MEM);
> @@ -2136,6 +2173,10 @@ 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_crit.dev_attr.attr,
> +       &sensor_dev_attr_temp2_crit_hyst.dev_attr.attr,
> +       &sensor_dev_attr_temp3_crit.dev_attr.attr,
> +       &sensor_dev_attr_temp3_crit_hyst.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,
> @@ -2265,7 +2306,11 @@ static umode_t hwmon_attributes_visible(struct kobject *kobj,
>         if (((adev->flags & AMD_IS_APU) ||
>              adev->asic_type < CHIP_VEGA10) &&
>             (attr == &sensor_dev_attr_temp2_label.dev_attr.attr ||
> -            attr == &sensor_dev_attr_temp3_label.dev_attr.attr))
> +            attr == &sensor_dev_attr_temp3_label.dev_attr.attr ||
> +            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))
>                 return 0;
>
>
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c b/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c
> index 70f7f47a2fcf..c8397b20f71a 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c
> @@ -225,7 +225,13 @@ int phm_register_irq_handlers(struct pp_hwmgr *hwmgr)
>  int phm_start_thermal_controller(struct pp_hwmgr *hwmgr)
>  {
>         int ret = 0;
> -       struct PP_TemperatureRange range = {TEMP_RANGE_MIN, TEMP_RANGE_MAX};
> +       struct PP_TemperatureRange range = {
> +               TEMP_RANGE_MIN,
> +               TEMP_RANGE_MAX,
> +               TEMP_RANGE_MIN,
> +               TEMP_RANGE_MAX,
> +               TEMP_RANGE_MIN,
> +               TEMP_RANGE_MAX};
>         struct amdgpu_device *adev = hwmgr->adev;
>
>         if (hwmgr->hwmgr_func->get_thermal_temperature_range)
> @@ -239,6 +245,10 @@ int phm_start_thermal_controller(struct pp_hwmgr *hwmgr)
>
>         adev->pm.dpm.thermal.min_temp = range.min;
>         adev->pm.dpm.thermal.max_temp = range.max;
> +       adev->pm.dpm.thermal.min_edge_temp = range.edge_min;
> +       adev->pm.dpm.thermal.max_edge_crit_temp = range.edge_crit_max;
> +       adev->pm.dpm.thermal.min_mem_temp = range.mem_min;
> +       adev->pm.dpm.thermal.max_mem_crit_temp = range.mem_crit_max;
>
>         return ret;
>  }
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
> index 384c37875cd0..65aa7e70d7d9 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
> @@ -4854,11 +4854,17 @@ static int vega10_get_thermal_temperature_range(struct pp_hwmgr *hwmgr,
>  {
>         struct phm_ppt_v2_information *table_info =
>                         (struct phm_ppt_v2_information *)hwmgr->pptable;
> +       struct vega10_hwmgr *data = hwmgr->backend;
> +       PPTable_t *pp_table = &(data->smc_state_table.pp_table);
>
>         memcpy(thermal_data, &SMU7ThermalWithDelayPolicy[0], sizeof(struct PP_TemperatureRange));
>
>         thermal_data->max = table_info->tdp_table->usSoftwareShutdownTemp *
>                 PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
> +       thermal_data->edge_crit_max = pp_table->TedgeLimit *
> +               PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
> +       thermal_data->mem_crit_max = pp_table->ThbmLimit *
> +               PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
>
>         return 0;
>  }
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
> index 707cd4b0357f..c0994851e7c7 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
> @@ -2528,11 +2528,18 @@ static int vega12_get_thermal_temperature_range(struct pp_hwmgr *hwmgr,
>  {
>         struct phm_ppt_v3_information *pptable_information =
>                 (struct phm_ppt_v3_information *)hwmgr->pptable;
> +       struct vega12_hwmgr *data =
> +                       (struct vega12_hwmgr *)(hwmgr->backend);
> +       PPTable_t *pp_table = &(data->smc_state_table.pp_table);
>
>         memcpy(thermal_data, &SMU7ThermalWithDelayPolicy[0], sizeof(struct PP_TemperatureRange));
>
>         thermal_data->max = pptable_information->us_software_shutdown_temp *
>                 PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
> +       thermal_data->edge_crit_max = pp_table->TedgeLimit *
> +               PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
> +       thermal_data->mem_crit_max = pp_table->ThbmLimit *
> +               PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
>
>         return 0;
>  }
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
> index 39a547084e90..5d9aa0f22c86 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
> @@ -3965,11 +3965,18 @@ static int vega20_get_thermal_temperature_range(struct pp_hwmgr *hwmgr,
>  {
>         struct phm_ppt_v3_information *pptable_information =
>                 (struct phm_ppt_v3_information *)hwmgr->pptable;
> +       struct vega20_hwmgr *data =
> +                       (struct vega20_hwmgr *)(hwmgr->backend);
> +       PPTable_t *pp_table = &(data->smc_state_table.pp_table);
>
>         memcpy(thermal_data, &SMU7ThermalWithDelayPolicy[0], sizeof(struct PP_TemperatureRange));
>
>         thermal_data->max = pptable_information->us_software_shutdown_temp *
>                 PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
> +       thermal_data->edge_crit_max = pp_table->TedgeLimit *
> +               PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
> +       thermal_data->mem_crit_max = pp_table->ThbmLimit *
> +               PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
>
>         return 0;
>  }
> diff --git a/drivers/gpu/drm/amd/powerplay/inc/power_state.h b/drivers/gpu/drm/amd/powerplay/inc/power_state.h
> index a99b5cbb113e..c102415ddc98 100644
> --- a/drivers/gpu/drm/amd/powerplay/inc/power_state.h
> +++ b/drivers/gpu/drm/amd/powerplay/inc/power_state.h
> @@ -124,6 +124,10 @@ struct PP_StateSoftwareAlgorithmBlock {
>  struct PP_TemperatureRange {
>         int min;
>         int max;
> +       int edge_min;
> +       int edge_crit_max;
> +       int mem_min;
> +       int mem_crit_max;
>  };
>
>  struct PP_StateValidationBlock {
> diff --git a/drivers/gpu/drm/amd/powerplay/inc/pp_thermal.h b/drivers/gpu/drm/amd/powerplay/inc/pp_thermal.h
> index 201d2b6329ab..75a0a2f8bea2 100644
> --- a/drivers/gpu/drm/amd/powerplay/inc/pp_thermal.h
> +++ b/drivers/gpu/drm/amd/powerplay/inc/pp_thermal.h
> @@ -27,14 +27,14 @@
>
>  static const struct PP_TemperatureRange SMU7ThermalWithDelayPolicy[] =
>  {
> -       {-273150,  99000},
> -       { 120000, 120000},
> +       {-273150,  99000, -273150, 99000, -273150, 99000},
> +       { 120000, 120000, 120000, 120000, 120000, 120000},
>  };
>
>  static const struct PP_TemperatureRange SMU7ThermalPolicy[] =
>  {
> -       {-273150,  99000},
> -       { 120000, 120000},
> +       {-273150,  99000, -273150, 99000, -273150, 99000},
> +       { 120000, 120000, 120000, 120000, 120000, 120000},
>  };
>
>  #endif
> --
> 2.21.0
>
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