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From: "Purkait, Soham" <soham.purkait@intel.com>
To: "Poosa, Karthik" <karthik.poosa@intel.com>,
	<intel-xe@lists.freedesktop.org>
Cc: <rodrigo.vivi@intel.com>, <anshuman.gupta@intel.com>,
	<badal.nilawar@intel.com>, <raag.jadav@intel.com>,
	<riana.tauro@intel.com>, <sk.anirban@intel.com>,
	<mallesh.koujalagi@intel.com>
Subject: Re: [PATCH v2 6/9] drm/xe/hwmon: Enable fan curve control support
Date: Thu, 3 Sep 2026 22:43:27 +0530	[thread overview]
Message-ID: <f09a3676-9047-407d-9502-5ab509846995@intel.com> (raw)
In-Reply-To: <dd29aafc-1a33-42ef-8cc1-8593edbcce29@intel.com>


On 27-08-2026 17:37, Poosa, Karthik wrote:
>
> On 22-07-2026 23:46, Purkait, Soham wrote:
>> Hi Karthik,
>>
>> On 17-07-2026 09:47, Karthik Poosa wrote:
>>> Expose curve-point temperature and pwm controls via
>>> pwmF_auto_point[P]_temp and pwmF_auto_point[P]_pwm, where
>>> F is the fan number and P is the fan curve point number.
>>> Each fan curve point has temperature and pwm sysfs.
>>>
>>> Update Xe hwmon ABI documentation for pwm auto point temperature
>>> attributes.
>>>
>>> v2:
>>> - Use xe helpers for dmesg logs.
>>> - Update kernel version in Xe hwmon documentation.
>>> - Correct debug level of some dmesg logs.
>>>
>>> Signed-off-by: Karthik Poosa <karthik.poosa@intel.com>
>>> Assisted-by: Codex:gpt-5-4
>>> ---
>>>   .../ABI/testing/sysfs-driver-intel-xe-hwmon   |  16 +
>>>   drivers/gpu/drm/xe/xe_hwmon.c                 | 700 
>>> +++++++++++++++++-
>>>   2 files changed, 715 insertions(+), 1 deletion(-)
>>>
>>> diff --git a/Documentation/ABI/testing/sysfs-driver-intel-xe-hwmon 
>>> b/Documentation/ABI/testing/sysfs-driver-intel-xe-hwmon
>>> index effc7d38ce1f..68cc6b99e8a5 100644
>>> --- a/Documentation/ABI/testing/sysfs-driver-intel-xe-hwmon
>>> +++ b/Documentation/ABI/testing/sysfs-driver-intel-xe-hwmon
>>> @@ -341,3 +341,19 @@ Description:   RW. Fan control mode selector.
>>>                  user table control and value 2 to use firmware 
>>> default behavior.
>>>                    Only supported for particular Intel Xe graphics 
>>> platforms.
>>> +
>>> +What: 
>>> /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/pwm[1-3]_auto_point[1-10]_temp
>>> +Date:          June 2026
>>> +KernelVersion: 7.2
>>> +Contact:       intel-xe@lists.freedesktop.org
>>> +Description:   RW. Temperature in millidegree Celsius for each fan 
>>> curve point.
>>> +
>>> +               Only supported for particular Intel Xe graphics 
>>> platforms.
>>> +
>>> +What: 
>>> /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/pwm[1-3]_auto_point[1-10]_pwm
>>> +Date:          June 2026
>>> +KernelVersion: 7.2
>>> +Contact:       intel-xe@lists.freedesktop.org
>>> +Description:   RW. PWM duty value (0..255) for each fan curve point.
>>> +
>>> +               Only supported for particular Intel Xe graphics 
>>> platforms.
>>> diff --git a/drivers/gpu/drm/xe/xe_hwmon.c 
>>> b/drivers/gpu/drm/xe/xe_hwmon.c
>>> index fa9dbadd5fd6..a3ed139ad446 100644
>>> --- a/drivers/gpu/drm/xe/xe_hwmon.c
>>> +++ b/drivers/gpu/drm/xe/xe_hwmon.c
>>> @@ -173,6 +173,10 @@ struct xe_hwmon_fan_info {
>>>               /** @speed: fan speed in percentage */
>>>               u8 speed;
>>>           } fcp[MAX_FAN_CONTROL_POINTS];
>>> +        /** @last_point_temp_valid: last user temperature point was 
>>> written */
>>> +        bool last_point_temp_valid;
>>> +        /** @last_point_speed_valid: last user PWM point was 
>>> written */
>>> +        bool last_point_speed_valid;
>>>       } fan_table[FAN_TABLE_MAX];
>>>           /** @max_rps: maximum fan RPS */
>>>           u32 max_rps;
>>> @@ -779,8 +783,11 @@ static const struct attribute_group 
>>> hwmon_attrgroup = {
>>>       .is_visible = xe_hwmon_attributes_visible,
>>>   };
>>>   +static const struct attribute_group hwmon_curve_attrgroup;
>>> +
>>>   static const struct attribute_group *hwmon_groups[] = {
>>>       &hwmon_attrgroup,
>>> +    &hwmon_curve_attrgroup,
>>>       NULL
>>>   };
>>>   @@ -945,7 +952,7 @@ static int xe_hwmon_get_num_fans(const struct 
>>> xe_hwmon *hwmon, u32 *num_fans)
>>>   }
>>>     static int xe_hwmon_get_fan_point_count(struct xe_hwmon *hwmon, 
>>> u8 fan, u32 *point_count,
>>> -                    int table_type)
>>> +                    enum fan_table_type table_type)
>>>   {
>>>       int ret;
>>>   @@ -960,6 +967,16 @@ static int 
>>> xe_hwmon_get_fan_point_count(struct xe_hwmon *hwmon, u8 fan, u32 *poi
>>>           return ret;
>>>       }
>>>   +    xe_dbg(hwmon->xe, "fan %d %s point count read as %u\n", fan,
>>> +           (table_type == USER_FAN_TABLE) ? "user" : "stock", 
>>> *point_count);
>> Remove duplicate log.
> ok
>>> +
>>> +    if (*point_count > MAX_FAN_CONTROL_POINTS) {
>>> +        xe_err(hwmon->xe, "fan %d %s point count %u exceeds max 
>>> %u\n", fan,
>>> +               (table_type == USER_FAN_TABLE) ? "user" : "stock", 
>>> *point_count,
>>> +               MAX_FAN_CONTROL_POINTS);
>>> +        return -EINVAL;
>>> +    }
>>> +
>>>       xe_dbg(hwmon->xe, "fan %d %s point count read as %u\n", fan,
>>>              (table_type == USER_FAN_TABLE) ? "user" : "stock", 
>>> *point_count);
>>>   @@ -985,6 +1002,60 @@ static int 
>>> xe_hwmon_write_user_fan_point(struct xe_hwmon *hwmon, u8 fan, u8 poin
>>>       return ret;
>>>   }
>>>   +static int xe_hwmon_commit_user_fan_table(struct xe_hwmon *hwmon, 
>>> u8 fan)
>>> +{
>>> +    struct xe_hwmon_fan_info *fi = &hwmon->fi[fan];
>>> +    struct xe_tile *root_tile = xe_device_get_root_tile(hwmon->xe);
>>> +    u32 point_count = 
>>> fi->fan_table[USER_FAN_TABLE].fan_control_point_count;
>>> +    int point;
>>> +    int ret;
>>> +
>>> +    if (!point_count)
>>> +        return -ENODATA;
>>> +
>>> +    for (point = 0; point < point_count; point++) {
>>> +        u8 temp = fi->fan_table[USER_FAN_TABLE].fcp[point].temp;
>>> +        u8 speed = fi->fan_table[USER_FAN_TABLE].fcp[point].speed;
>>> +
>>> +        /* Ensure fan control points are strictly increasing order */
>>> +        if (point > 0) {
>>> +            u8 prev_temp = fi->fan_table[USER_FAN_TABLE].fcp[point 
>>> - 1].temp;
>>> +            u8 prev_speed = fi->fan_table[USER_FAN_TABLE].fcp[point 
>>> - 1].speed;
>>> +
>>> +            if (temp < prev_temp || speed < prev_speed) {
>>> +                drm_dbg(&hwmon->xe->drm,
>>> +                    "fan %d invalid user point previous value > 
>>> current %d: %u/%u prev=%u/%u\n",
>>> +                    fan, point, temp, speed, prev_temp, prev_speed);
>>> +                return -EINVAL;
>>> +            }
>>> +        }
>>> +
>>> +        drm_dbg(&hwmon->xe->drm,
>>> +            "committing fan %d user point %d temp %u, speed %u %%\n",
>>> +            fan, point, temp, speed);
>>> +        ret = xe_hwmon_write_user_fan_point(hwmon, fan, point, 
>>> temp, speed);
>>> +        if (ret)
>>> +            return ret;
>>> +    }
>>> +
>>> +    drm_dbg(&hwmon->xe->drm,
>>> +        "committing fan %d user table with %d points\n", fan, 
>>> point_count);
>>> +    ret = xe_pcode_write_timeout(root_tile, 
>>> PCODE_MBOX(FAN_SPEED_CONTROL,
>>> + FSC_WRITE_NUM_FAN_CONTROL_POINTS,
>>> +                               fan),
>>> +                     point_count, XE_PCODE_FAN_CONTROL_TIMEOUT_MS);
>>> +    if (ret) {
>>> +        drm_dbg(&hwmon->xe->drm,
>>> +            "failed to update fan %d user table count, ret=%d\n", 
>>> fan, ret);
>>> +        return ret;
>>> +    }
>>> +
>>> +    fi->pwm_enable_mode = XE_FAN_PWM_MANUAL_USER_TABLE;
>>> +    fi->is_full_speed = false;
>>> +
>>> +    return 0;
>>> +}
>>> +
>>>   static int xe_hwmon_activate_user_fan_table(struct xe_hwmon 
>>> *hwmon, u8 fan,
>>>                           bool is_full_speed, enum fan_table_type 
>>> table_source)
>>>   {
>>> @@ -1105,6 +1176,633 @@ static int xe_hwmon_set_user_fan_pwm(struct 
>>> xe_hwmon *hwmon, u8 fan, u8 pwm)
>>>       return 0;
>>>   }
>>>   +#define XE_CURVE_IDX(fan, point)    (((fan) << 8) | (point))
>>> +#define XE_CURVE_FAN(idx)        ((u8)(((idx) >> 8) & 0xff))
>>> +#define XE_CURVE_POINT(idx)        ((u8)((idx) & 0xff))
>>> +
>>> +static int
>>> +xe_hwmon_decode_curve_index(u32 index, u8 *fan, u8 *point)
>>> +{
>>> +    u8 local_fan = XE_CURVE_FAN(index);
>>> +    u8 local_point = XE_CURVE_POINT(index);
>>> +
>>> +    if (local_fan >= FAN_MAX || local_point >= MAX_FAN_CONTROL_POINTS)
>>> +        return -EINVAL;
>>> +
>>> +    *fan = local_fan;
>>> +    *point = local_point;
>>> +
>>> +    return 0;
>>> +}
>>> +
>>> +static inline enum fan_table_type 
>>> xe_hwmon_get_active_fan_table(struct xe_hwmon *hwmon, u8 fan)
>>> +{
>>> +    if (hwmon->fi[fan].pwm_enable_mode == XE_FAN_PWM_AUTO_STOCK_TABLE)
>>> +        return STOCK_FAN_TABLE;
>>> +    else
>>> +        return USER_FAN_TABLE;
>>> +}
>>> +
>>> +static ssize_t
>>> +xe_hwmon_pwm_auto_point_temp_show(struct device *dev,
>>> +                  struct device_attribute *attr, char *buf)
>>> +{
>>> +    struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
>>> +    struct xe_hwmon *hwmon = dev_get_drvdata(dev);
>>> +    struct xe_hwmon_fan_info *fi;
>>> +    u32 point_count;
>>> +    u8 fan;
>>> +    u8 point;
>>> +    u8 temp;
>>> +    int ret;
>>> +    enum fan_table_type active_table;
>>> +
>>> +    ret = xe_hwmon_decode_curve_index(sattr->index, &fan, &point);
>>> +    if (ret)
>>> +        return ret;
>>> +
>>> +    fi = &hwmon->fi[fan];
>>> +    active_table = xe_hwmon_get_active_fan_table(hwmon, fan);
>>> +
>>> +    guard(xe_pm_runtime)(hwmon->xe);
>>> +
>>> +    mutex_lock(&hwmon->hwmon_lock);
>>> +
>>> +    fi = &hwmon->fi[fan];
>>> +
>>> +    ret = xe_hwmon_get_fan_point_count(hwmon, fan, &point_count, 
>>> active_table);
>>> +    if (ret)
>>> +        goto unlock;
>>> +
>>> +    if (point >= point_count) {
>>> +        ret = -EINVAL;
>>> +        goto unlock;
>>> +    }
>>> +
>>> +    temp = fi->fan_table[active_table].fcp[point].temp;
>>> +    ret = sysfs_emit(buf, "%u\n", temp * MILLIDEGREE_PER_DEGREE);
>>> +
>>> +unlock:
>>> +    mutex_unlock(&hwmon->hwmon_lock);
>>> +
>>> +    return ret;
>>> +}
>>> +
>>> +static int xe_hwmon_update_user_fan_point(struct xe_hwmon *hwmon, 
>>> u8 fan, u32 point,
>>> +                      u32 point_count, u8 temp, u8 pwm)
>>> +{
>>> +    struct xe_hwmon_fan_info *fi = &hwmon->fi[fan];
>>> +    int ret;
>>> +
>>> +    if (temp) {
>> But as per the xe_hwmon_get_u8_from_sysfs() "0" is a acceptable curve 
>> point then, why is it being over loaded here ?
>>
>> Thanks,
>> Soham
> The intention here was to indicate whether the update is for the 
> temperature or PWM field of a fan-curve point.
> instead, we can pass an explicit enum describing which field is being 
> updated
>
> enum xe_hwmon_fan_point_field {
> XE_FAN_POINT_TEMP,
> XE_FAN_POINT_PWM,
> };

If this is only for this function, you could use a simple boolean flag 
like is_temp or is_pwm but up to you.

>
>>> + fi->fan_table[USER_FAN_TABLE].fcp[point].temp = temp;
>>> +        if (point == (point_count - 1))
>>> + fi->fan_table[USER_FAN_TABLE].last_point_temp_valid = true;
>>> +    } else {
>>> +        fi->fan_table[USER_FAN_TABLE].fcp[point].speed = pwm;
>>> +        if (point == (point_count - 1))
>>> + fi->fan_table[USER_FAN_TABLE].last_point_speed_valid = true;
>>> +    }
>>> +
>>> +    /* Cache intermediate points and commit once the last point 
>>> arrives. */
>>> +    if (point == (point_count - 1) &&
>>> + fi->fan_table[USER_FAN_TABLE].last_point_temp_valid &&
>>> + fi->fan_table[USER_FAN_TABLE].last_point_speed_valid) {
>>> +        ret = xe_hwmon_commit_user_fan_table(hwmon, fan);
>>> +        if (ret)
>>> +            return ret;
>>> + fi->fan_table[USER_FAN_TABLE].last_point_temp_valid = false;
>>> + fi->fan_table[USER_FAN_TABLE].last_point_speed_valid = false;
>>> +    }
>>> +    return 0;
>>> +}
>>> +
>>> +static int xe_hwmon_get_u8_from_sysfs(long val, bool is_temp, u8 *out)
>>> +{
>>> +    long hw_val;
>>> +
>>> +    if (is_temp)
>>> +        hw_val = DIV_ROUND_CLOSEST(val, MILLIDEGREE_PER_DEGREE);
>>> +    else
>>> +        hw_val = DIV_ROUND_CLOSEST(val * 100, U8_MAX);
>>> +
>>> +    if (hw_val < 0 || hw_val > U8_MAX)
>>> +        return -EINVAL;
>>> +
>>> +    *out = hw_val;
>>> +
>>> +    return 0;
>>> +}
>>> +
>>> +static ssize_t
>>> +xe_hwmon_pwm_auto_point_temp_store(struct device *dev,
>>> +                   struct device_attribute *attr,
>>> +                   const char *buf, size_t count)
>>> +{
>>> +    struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
>>> +    struct xe_hwmon *hwmon = dev_get_drvdata(dev);
>>> +    struct xe_hwmon_fan_info *fi;
>>> +    u8 fan;
>>> +    u8 point;
>>> +    u32 point_count;
>>> +    u8 temp;
>>> +    long val;
>>> +    int ret;
>>> +
>>> +    ret = xe_hwmon_decode_curve_index(sattr->index, &fan, &point);
>>> +    if (ret)
>>> +        return ret;
>>> +
>>> +    fi = &hwmon->fi[fan];
>>> +
>>> +    if (fi->pwm_enable_mode != XE_FAN_PWM_MANUAL_USER_TABLE) {
>>> +        drm_err(&hwmon->xe->drm,
>>> +            "pwm%d_enable not in manual mode; cannot update temp 
>>> point %d\n",
>>> +            fan, point);
>>> +        return -EINVAL;
>>> +    }
>>> +
>>> +    ret = kstrtol(buf, 10, &val);
>>> +    if (ret)
>>> +        return ret;
>>> +
>>> +    ret = xe_hwmon_get_u8_from_sysfs(val, true, &temp);
>>> +    if (ret)
>>> +        return ret;
>>> +
>>> +    guard(xe_pm_runtime)(hwmon->xe);
>>> +
>>> +    mutex_lock(&hwmon->hwmon_lock);
>>> +
>>> +    ret = xe_hwmon_get_fan_point_count(hwmon, fan, &point_count, 
>>> USER_FAN_TABLE);
>>> +    if (ret)
>>> +        goto unlock;
>>> +
>>> +    if (point >= point_count) {
>>> +        ret = -EINVAL;
>>> +        goto unlock;
>>> +    }
>>> +
>>> +    drm_dbg(&hwmon->xe->drm,
>>> +        "updating fan %d point %d temp to %u, pwm %u\n", fan, point,
>>> +        temp, fi->fan_table[USER_FAN_TABLE].fcp[point].speed);
>>> +    ret = xe_hwmon_update_user_fan_point(hwmon, fan, point, 
>>> point_count, temp, 0);
>>> +
>>> +unlock:
>>> +    mutex_unlock(&hwmon->hwmon_lock);
>>> +
>>> +    return ret ? ret : count;
>>> +}
>>> +
>>> +static ssize_t
>>> +xe_hwmon_pwm_auto_point_pwm_show(struct device *dev,
>>> +                 struct device_attribute *attr,
>>> +                 char *buf)
>>> +{
>>> +    struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
>>> +    struct xe_hwmon *hwmon = dev_get_drvdata(dev);
>>> +    struct xe_hwmon_fan_info *fi;
>>> +    u8 fan;
>>> +    u8 point;
>>> +    u32 point_count;
>>> +    int ret;
>>> +    enum fan_table_type active_table;
>>> +
>>> +    ret = xe_hwmon_decode_curve_index(sattr->index, &fan, &point);
>>> +    if (ret)
>>> +        return ret;
>>> +
>>> +    fi = &hwmon->fi[fan];
>>> +    active_table = xe_hwmon_get_active_fan_table(hwmon, fan);
>>> +
>>> +    guard(xe_pm_runtime)(hwmon->xe);
>>> +
>>> +    mutex_lock(&hwmon->hwmon_lock);
>>> +
>>> +    ret = xe_hwmon_get_fan_point_count(hwmon, fan, &point_count, 
>>> active_table);
>>> +    if (ret)
>>> +        goto unlock;
>>> +
>>> +    if (point >= point_count) {
>>> +        ret = -EINVAL;
>>> +        goto unlock;
>>> +    }
>>> +
>>> +    ret = sysfs_emit(buf, "%u\n",
>>> + DIV_ROUND_CLOSEST(fi->fan_table[active_table].fcp[point].speed * 
>>> U8_MAX,
>>> +                       100));
>>> +
>>> +unlock:
>>> +    mutex_unlock(&hwmon->hwmon_lock);
>>> +
>>> +    return ret;
>>> +}
>>> +
>>> +static ssize_t
>>> +xe_hwmon_pwm_auto_point_pwm_store(struct device *dev,
>>> +                  struct device_attribute *attr,
>>> +                  const char *buf, size_t count)
>>> +{
>>> +    struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
>>> +    struct xe_hwmon *hwmon = dev_get_drvdata(dev);
>>> +    struct xe_hwmon_fan_info *fi;
>>> +    u32 point_count;
>>> +    long val;
>>> +    u8 point;
>>> +    u8 fan;
>>> +    u8 pwm;
>>> +    int ret;
>>> +
>>> +    ret = xe_hwmon_decode_curve_index(sattr->index, &fan, &point);
>>> +    if (ret)
>>> +        return ret;
>>> +
>>> +    fi = &hwmon->fi[fan];
>>> +
>>> +    if (fi->pwm_enable_mode != XE_FAN_PWM_MANUAL_USER_TABLE) {
>>> +        drm_err(&hwmon->xe->drm,
>>> +            "pwm%d_enable is not in manual user mode, cannot update 
>>> pwm point %d\n",
>>> +            fan, point);
>>> +        return -EINVAL;
>>> +    }
>>> +
>>> +    ret = kstrtol(buf, 10, &val);
>>> +    if (ret)
>>> +        return ret;
>>> +
>>> +    ret = xe_hwmon_get_u8_from_sysfs(val, false, &pwm);
>>> +    if (ret)
>>> +        return ret;
>>> +
>>> +    guard(xe_pm_runtime)(hwmon->xe);
>>> +
>>> +    mutex_lock(&hwmon->hwmon_lock);
>>> +
>>> +    ret = xe_hwmon_get_fan_point_count(hwmon, fan, &point_count, 
>>> USER_FAN_TABLE);
>>> +    if (ret)
>>> +        goto unlock;
>>> +
>>> +    if (point >= point_count) {
>>> +        ret = -EINVAL;
>>> +        goto unlock;
>>> +    }
>>> +
>>> +    pwm = max_t(u8, pwm, fi->min_pwm);
>>> +
>>> +    drm_dbg(&hwmon->xe->drm, "updating fan %d point %d pwm to %u\n",
>>> +        fan, point, pwm);
>>> +    ret = xe_hwmon_update_user_fan_point(hwmon, fan, point, 
>>> point_count, 0, pwm);
>>> +
>>> +unlock:
>>> +    mutex_unlock(&hwmon->hwmon_lock);
>>> +
>>> +    return ret ? ret : count;
>>> +}
>>> +
>>> +static SENSOR_DEVICE_ATTR(pwm1_auto_point1_temp, 0644,
>>> +              xe_hwmon_pwm_auto_point_temp_show,
>>> +              xe_hwmon_pwm_auto_point_temp_store,
>>> +              XE_CURVE_IDX(0, 0));
>>> +static SENSOR_DEVICE_ATTR(pwm1_auto_point1_pwm, 0644,
>>> +              xe_hwmon_pwm_auto_point_pwm_show,
>>> +              xe_hwmon_pwm_auto_point_pwm_store,
>>> +              XE_CURVE_IDX(0, 0));
>>> +static SENSOR_DEVICE_ATTR(pwm1_auto_point2_temp, 0644,
>>> +              xe_hwmon_pwm_auto_point_temp_show,
>>> +              xe_hwmon_pwm_auto_point_temp_store,
>>> +              XE_CURVE_IDX(0, 1));
>>> +static SENSOR_DEVICE_ATTR(pwm1_auto_point2_pwm, 0644,
>>> +              xe_hwmon_pwm_auto_point_pwm_show,
>>> +              xe_hwmon_pwm_auto_point_pwm_store,
>>> +              XE_CURVE_IDX(0, 1));
>>> +static SENSOR_DEVICE_ATTR(pwm1_auto_point3_temp, 0644,
>>> +              xe_hwmon_pwm_auto_point_temp_show,
>>> +              xe_hwmon_pwm_auto_point_temp_store,
>>> +              XE_CURVE_IDX(0, 2));
>>> +static SENSOR_DEVICE_ATTR(pwm1_auto_point3_pwm, 0644,
>>> +              xe_hwmon_pwm_auto_point_pwm_show,
>>> +              xe_hwmon_pwm_auto_point_pwm_store,
>>> +              XE_CURVE_IDX(0, 2));
>>> +static SENSOR_DEVICE_ATTR(pwm1_auto_point4_temp, 0644,
>>> +              xe_hwmon_pwm_auto_point_temp_show,
>>> +              xe_hwmon_pwm_auto_point_temp_store,
>>> +              XE_CURVE_IDX(0, 3));
>>> +static SENSOR_DEVICE_ATTR(pwm1_auto_point4_pwm, 0644,
>>> +              xe_hwmon_pwm_auto_point_pwm_show,
>>> +              xe_hwmon_pwm_auto_point_pwm_store,
>>> +              XE_CURVE_IDX(0, 3));
>>> +static SENSOR_DEVICE_ATTR(pwm1_auto_point5_temp, 0644,
>>> +              xe_hwmon_pwm_auto_point_temp_show,
>>> +              xe_hwmon_pwm_auto_point_temp_store,
>>> +              XE_CURVE_IDX(0, 4));
>>> +static SENSOR_DEVICE_ATTR(pwm1_auto_point5_pwm, 0644,
>>> +              xe_hwmon_pwm_auto_point_pwm_show,
>>> +              xe_hwmon_pwm_auto_point_pwm_store,
>>> +              XE_CURVE_IDX(0, 4));
>>> +static SENSOR_DEVICE_ATTR(pwm1_auto_point6_temp, 0644,
>>> +              xe_hwmon_pwm_auto_point_temp_show,
>>> +              xe_hwmon_pwm_auto_point_temp_store,
>>> +              XE_CURVE_IDX(0, 5));
>>> +static SENSOR_DEVICE_ATTR(pwm1_auto_point6_pwm, 0644,
>>> +              xe_hwmon_pwm_auto_point_pwm_show,
>>> +              xe_hwmon_pwm_auto_point_pwm_store,
>>> +              XE_CURVE_IDX(0, 5));
>>> +static SENSOR_DEVICE_ATTR(pwm1_auto_point7_temp, 0644,
>>> +              xe_hwmon_pwm_auto_point_temp_show,
>>> +              xe_hwmon_pwm_auto_point_temp_store,
>>> +              XE_CURVE_IDX(0, 6));
>>> +static SENSOR_DEVICE_ATTR(pwm1_auto_point7_pwm, 0644,
>>> +              xe_hwmon_pwm_auto_point_pwm_show,
>>> +              xe_hwmon_pwm_auto_point_pwm_store,
>>> +              XE_CURVE_IDX(0, 6));
>>> +static SENSOR_DEVICE_ATTR(pwm1_auto_point8_temp, 0644,
>>> +              xe_hwmon_pwm_auto_point_temp_show,
>>> +              xe_hwmon_pwm_auto_point_temp_store,
>>> +              XE_CURVE_IDX(0, 7));
>>> +static SENSOR_DEVICE_ATTR(pwm1_auto_point8_pwm, 0644,
>>> +              xe_hwmon_pwm_auto_point_pwm_show,
>>> +              xe_hwmon_pwm_auto_point_pwm_store,
>>> +              XE_CURVE_IDX(0, 7));
>>> +static SENSOR_DEVICE_ATTR(pwm1_auto_point9_temp, 0644,
>>> +              xe_hwmon_pwm_auto_point_temp_show,
>>> +              xe_hwmon_pwm_auto_point_temp_store,
>>> +              XE_CURVE_IDX(0, 8));
>>> +static SENSOR_DEVICE_ATTR(pwm1_auto_point9_pwm, 0644,
>>> +              xe_hwmon_pwm_auto_point_pwm_show,
>>> +              xe_hwmon_pwm_auto_point_pwm_store,
>>> +              XE_CURVE_IDX(0, 8));
>>> +static SENSOR_DEVICE_ATTR(pwm1_auto_point10_temp, 0644,
>>> +              xe_hwmon_pwm_auto_point_temp_show,
>>> +              xe_hwmon_pwm_auto_point_temp_store,
>>> +              XE_CURVE_IDX(0, 9));
>>> +static SENSOR_DEVICE_ATTR(pwm1_auto_point10_pwm, 0644,
>>> +              xe_hwmon_pwm_auto_point_pwm_show,
>>> +              xe_hwmon_pwm_auto_point_pwm_store,
>>> +              XE_CURVE_IDX(0, 9));
>>> +static SENSOR_DEVICE_ATTR(pwm2_auto_point1_temp, 0644,
>>> +              xe_hwmon_pwm_auto_point_temp_show,
>>> +              xe_hwmon_pwm_auto_point_temp_store,
>>> +              XE_CURVE_IDX(1, 0));
>>> +static SENSOR_DEVICE_ATTR(pwm2_auto_point1_pwm, 0644,
>>> +              xe_hwmon_pwm_auto_point_pwm_show,
>>> +              xe_hwmon_pwm_auto_point_pwm_store,
>>> +              XE_CURVE_IDX(1, 0));
>>> +static SENSOR_DEVICE_ATTR(pwm2_auto_point2_temp, 0644,
>>> +              xe_hwmon_pwm_auto_point_temp_show,
>>> +              xe_hwmon_pwm_auto_point_temp_store,
>>> +              XE_CURVE_IDX(1, 1));
>>> +static SENSOR_DEVICE_ATTR(pwm2_auto_point2_pwm, 0644,
>>> +              xe_hwmon_pwm_auto_point_pwm_show,
>>> +              xe_hwmon_pwm_auto_point_pwm_store,
>>> +              XE_CURVE_IDX(1, 1));
>>> +static SENSOR_DEVICE_ATTR(pwm2_auto_point3_temp, 0644,
>>> +              xe_hwmon_pwm_auto_point_temp_show,
>>> +              xe_hwmon_pwm_auto_point_temp_store,
>>> +              XE_CURVE_IDX(1, 2));
>>> +static SENSOR_DEVICE_ATTR(pwm2_auto_point3_pwm, 0644,
>>> +              xe_hwmon_pwm_auto_point_pwm_show,
>>> +              xe_hwmon_pwm_auto_point_pwm_store,
>>> +              XE_CURVE_IDX(1, 2));
>>> +static SENSOR_DEVICE_ATTR(pwm2_auto_point4_temp, 0644,
>>> +              xe_hwmon_pwm_auto_point_temp_show,
>>> +              xe_hwmon_pwm_auto_point_temp_store,
>>> +              XE_CURVE_IDX(1, 3));
>>> +static SENSOR_DEVICE_ATTR(pwm2_auto_point4_pwm, 0644,
>>> +              xe_hwmon_pwm_auto_point_pwm_show,
>>> +              xe_hwmon_pwm_auto_point_pwm_store,
>>> +              XE_CURVE_IDX(1, 3));
>>> +static SENSOR_DEVICE_ATTR(pwm2_auto_point5_temp, 0644,
>>> +              xe_hwmon_pwm_auto_point_temp_show,
>>> +              xe_hwmon_pwm_auto_point_temp_store,
>>> +              XE_CURVE_IDX(1, 4));
>>> +static SENSOR_DEVICE_ATTR(pwm2_auto_point5_pwm, 0644,
>>> +              xe_hwmon_pwm_auto_point_pwm_show,
>>> +              xe_hwmon_pwm_auto_point_pwm_store,
>>> +              XE_CURVE_IDX(1, 4));
>>> +static SENSOR_DEVICE_ATTR(pwm2_auto_point6_temp, 0644,
>>> +              xe_hwmon_pwm_auto_point_temp_show,
>>> +              xe_hwmon_pwm_auto_point_temp_store,
>>> +              XE_CURVE_IDX(1, 5));
>>> +static SENSOR_DEVICE_ATTR(pwm2_auto_point6_pwm, 0644,
>>> +              xe_hwmon_pwm_auto_point_pwm_show,
>>> +              xe_hwmon_pwm_auto_point_pwm_store,
>>> +              XE_CURVE_IDX(1, 5));
>>> +static SENSOR_DEVICE_ATTR(pwm2_auto_point7_temp, 0644,
>>> +              xe_hwmon_pwm_auto_point_temp_show,
>>> +              xe_hwmon_pwm_auto_point_temp_store,
>>> +              XE_CURVE_IDX(1, 6));
>>> +static SENSOR_DEVICE_ATTR(pwm2_auto_point7_pwm, 0644,
>>> +              xe_hwmon_pwm_auto_point_pwm_show,
>>> +              xe_hwmon_pwm_auto_point_pwm_store,
>>> +              XE_CURVE_IDX(1, 6));
>>> +static SENSOR_DEVICE_ATTR(pwm2_auto_point8_temp, 0644,
>>> +              xe_hwmon_pwm_auto_point_temp_show,
>>> +              xe_hwmon_pwm_auto_point_temp_store,
>>> +              XE_CURVE_IDX(1, 7));
>>> +static SENSOR_DEVICE_ATTR(pwm2_auto_point8_pwm, 0644,
>>> +              xe_hwmon_pwm_auto_point_pwm_show,
>>> +              xe_hwmon_pwm_auto_point_pwm_store,
>>> +              XE_CURVE_IDX(1, 7));
>>> +static SENSOR_DEVICE_ATTR(pwm2_auto_point9_temp, 0644,
>>> +              xe_hwmon_pwm_auto_point_temp_show,
>>> +              xe_hwmon_pwm_auto_point_temp_store,
>>> +              XE_CURVE_IDX(1, 8));
>>> +static SENSOR_DEVICE_ATTR(pwm2_auto_point9_pwm, 0644,
>>> +              xe_hwmon_pwm_auto_point_pwm_show,
>>> +              xe_hwmon_pwm_auto_point_pwm_store,
>>> +              XE_CURVE_IDX(1, 8));
>>> +static SENSOR_DEVICE_ATTR(pwm2_auto_point10_temp, 0644,
>>> +              xe_hwmon_pwm_auto_point_temp_show,
>>> +              xe_hwmon_pwm_auto_point_temp_store,
>>> +              XE_CURVE_IDX(1, 9));
>>> +static SENSOR_DEVICE_ATTR(pwm2_auto_point10_pwm, 0644,
>>> +              xe_hwmon_pwm_auto_point_pwm_show,
>>> +              xe_hwmon_pwm_auto_point_pwm_store,
>>> +              XE_CURVE_IDX(1, 9));
>>> +static SENSOR_DEVICE_ATTR(pwm3_auto_point1_temp, 0644,
>>> +              xe_hwmon_pwm_auto_point_temp_show,
>>> +              xe_hwmon_pwm_auto_point_temp_store,
>>> +              XE_CURVE_IDX(2, 0));
>>> +static SENSOR_DEVICE_ATTR(pwm3_auto_point1_pwm, 0644,
>>> +              xe_hwmon_pwm_auto_point_pwm_show,
>>> +              xe_hwmon_pwm_auto_point_pwm_store,
>>> +              XE_CURVE_IDX(2, 0));
>>> +static SENSOR_DEVICE_ATTR(pwm3_auto_point2_temp, 0644,
>>> +              xe_hwmon_pwm_auto_point_temp_show,
>>> +              xe_hwmon_pwm_auto_point_temp_store,
>>> +              XE_CURVE_IDX(2, 1));
>>> +static SENSOR_DEVICE_ATTR(pwm3_auto_point2_pwm, 0644,
>>> +              xe_hwmon_pwm_auto_point_pwm_show,
>>> +              xe_hwmon_pwm_auto_point_pwm_store,
>>> +              XE_CURVE_IDX(2, 1));
>>> +static SENSOR_DEVICE_ATTR(pwm3_auto_point3_temp, 0644,
>>> +              xe_hwmon_pwm_auto_point_temp_show,
>>> +              xe_hwmon_pwm_auto_point_temp_store,
>>> +              XE_CURVE_IDX(2, 2));
>>> +static SENSOR_DEVICE_ATTR(pwm3_auto_point3_pwm, 0644,
>>> +              xe_hwmon_pwm_auto_point_pwm_show,
>>> +              xe_hwmon_pwm_auto_point_pwm_store,
>>> +              XE_CURVE_IDX(2, 2));
>>> +static SENSOR_DEVICE_ATTR(pwm3_auto_point4_temp, 0644,
>>> +              xe_hwmon_pwm_auto_point_temp_show,
>>> +              xe_hwmon_pwm_auto_point_temp_store,
>>> +              XE_CURVE_IDX(2, 3));
>>> +static SENSOR_DEVICE_ATTR(pwm3_auto_point4_pwm, 0644,
>>> +              xe_hwmon_pwm_auto_point_pwm_show,
>>> +              xe_hwmon_pwm_auto_point_pwm_store,
>>> +              XE_CURVE_IDX(2, 3));
>>> +static SENSOR_DEVICE_ATTR(pwm3_auto_point5_temp, 0644,
>>> +              xe_hwmon_pwm_auto_point_temp_show,
>>> +              xe_hwmon_pwm_auto_point_temp_store,
>>> +              XE_CURVE_IDX(2, 4));
>>> +static SENSOR_DEVICE_ATTR(pwm3_auto_point5_pwm, 0644,
>>> +              xe_hwmon_pwm_auto_point_pwm_show,
>>> +              xe_hwmon_pwm_auto_point_pwm_store,
>>> +              XE_CURVE_IDX(2, 4));
>>> +static SENSOR_DEVICE_ATTR(pwm3_auto_point6_temp, 0644,
>>> +              xe_hwmon_pwm_auto_point_temp_show,
>>> +              xe_hwmon_pwm_auto_point_temp_store,
>>> +              XE_CURVE_IDX(2, 5));
>>> +static SENSOR_DEVICE_ATTR(pwm3_auto_point6_pwm, 0644,
>>> +              xe_hwmon_pwm_auto_point_pwm_show,
>>> +              xe_hwmon_pwm_auto_point_pwm_store,
>>> +              XE_CURVE_IDX(2, 5));
>>> +static SENSOR_DEVICE_ATTR(pwm3_auto_point7_temp, 0644,
>>> +              xe_hwmon_pwm_auto_point_temp_show,
>>> +              xe_hwmon_pwm_auto_point_temp_store,
>>> +              XE_CURVE_IDX(2, 6));
>>> +static SENSOR_DEVICE_ATTR(pwm3_auto_point7_pwm, 0644,
>>> +              xe_hwmon_pwm_auto_point_pwm_show,
>>> +              xe_hwmon_pwm_auto_point_pwm_store,
>>> +              XE_CURVE_IDX(2, 6));
>>> +static SENSOR_DEVICE_ATTR(pwm3_auto_point8_temp, 0644,
>>> +              xe_hwmon_pwm_auto_point_temp_show,
>>> +              xe_hwmon_pwm_auto_point_temp_store,
>>> +              XE_CURVE_IDX(2, 7));
>>> +static SENSOR_DEVICE_ATTR(pwm3_auto_point8_pwm, 0644,
>>> +              xe_hwmon_pwm_auto_point_pwm_show,
>>> +              xe_hwmon_pwm_auto_point_pwm_store,
>>> +              XE_CURVE_IDX(2, 7));
>>> +static SENSOR_DEVICE_ATTR(pwm3_auto_point9_temp, 0644,
>>> +              xe_hwmon_pwm_auto_point_temp_show,
>>> +              xe_hwmon_pwm_auto_point_temp_store,
>>> +              XE_CURVE_IDX(2, 8));
>>> +static SENSOR_DEVICE_ATTR(pwm3_auto_point9_pwm, 0644,
>>> +              xe_hwmon_pwm_auto_point_pwm_show,
>>> +   ��          xe_hwmon_pwm_auto_point_pwm_store,
>>> +              XE_CURVE_IDX(2, 8));
>>> +static SENSOR_DEVICE_ATTR(pwm3_auto_point10_temp, 0644,
>>> +              xe_hwmon_pwm_auto_point_temp_show,
>>> +              xe_hwmon_pwm_auto_point_temp_store,
>>> +              XE_CURVE_IDX(2, 9));
>>> +static SENSOR_DEVICE_ATTR(pwm3_auto_point10_pwm, 0644,
>>> +              xe_hwmon_pwm_auto_point_pwm_show,
>>> +              xe_hwmon_pwm_auto_point_pwm_store,
>>> +              XE_CURVE_IDX(2, 9));
>>> +
>>> +static struct attribute *hwmon_curve_attributes[] = {
>>> +    &sensor_dev_attr_pwm1_auto_point1_temp.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm1_auto_point2_temp.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm1_auto_point3_temp.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm1_auto_point4_temp.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm1_auto_point5_temp.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm1_auto_point6_temp.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm1_auto_point7_temp.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm1_auto_point8_temp.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm1_auto_point9_temp.dev_attr.attr,
>>> + &sensor_dev_attr_pwm1_auto_point10_temp.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm1_auto_point1_pwm.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm1_auto_point2_pwm.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm1_auto_point3_pwm.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm1_auto_point4_pwm.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm1_auto_point5_pwm.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm1_auto_point6_pwm.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm1_auto_point7_pwm.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm1_auto_point8_pwm.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm1_auto_point9_pwm.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm1_auto_point10_pwm.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm2_auto_point1_temp.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm2_auto_point2_temp.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm2_auto_point3_temp.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm2_auto_point4_temp.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm2_auto_point5_temp.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm2_auto_point6_temp.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm2_auto_point7_temp.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm2_auto_point8_temp.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm2_auto_point9_temp.dev_attr.attr,
>>> + &sensor_dev_attr_pwm2_auto_point10_temp.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm2_auto_point1_pwm.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm2_auto_point2_pwm.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm2_auto_point3_pwm.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm2_auto_point4_pwm.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm2_auto_point5_pwm.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm2_auto_point6_pwm.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm2_auto_point7_pwm.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm2_auto_point8_pwm.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm2_auto_point9_pwm.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm2_auto_point10_pwm.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm3_auto_point1_temp.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm3_auto_point2_temp.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm3_auto_point3_temp.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm3_auto_point4_temp.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm3_auto_point5_temp.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm3_auto_point6_temp.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm3_auto_point7_temp.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm3_auto_point8_temp.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm3_auto_point9_temp.dev_attr.attr,
>>> + &sensor_dev_attr_pwm3_auto_point10_temp.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm3_auto_point1_pwm.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm3_auto_point2_pwm.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm3_auto_point3_pwm.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm3_auto_point4_pwm.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm3_auto_point5_pwm.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm3_auto_point6_pwm.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm3_auto_point7_pwm.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm3_auto_point8_pwm.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm3_auto_point9_pwm.dev_attr.attr,
>>> +    &sensor_dev_attr_pwm3_auto_point10_pwm.dev_attr.attr,
>>> +    NULL
>>> +};
>>> +
>>> +static umode_t xe_hwmon_curve_attributes_visible(struct kobject *kobj,
>>> +                         struct attribute *attr, int index)
>>> +{
>>> +    struct device *dev = kobj_to_dev(kobj);
>>> +    struct xe_hwmon *hwmon = dev_get_drvdata(dev);
>>> +
>>> +    /* Temp/PWM pairs for each point. */
>>> +    u32 attrs_per_fan = 2 * MAX_FAN_CONTROL_POINTS;
>>> +    u32 fan = index / attrs_per_fan;
>>> +    u32 local = index % attrs_per_fan;
>>> +    u32 point_count;
>>> +
>>> +    if (!hwmon->xe->info.has_fan_control)
>>> +        return 0;
>>> +
>>> +    if (fan >= hwmon->num_fans)
>>> +        return 0;
>>> +
>>> +    point_count = 
>>> max(hwmon->fi[fan].fan_table[USER_FAN_TABLE].fan_control_point_count,
>>> + hwmon->fi[fan].fan_table[STOCK_FAN_TABLE].fan_control_point_count);
>>> +
>>> +    if (!point_count)
>>> +        return 0;
>>> +
>>> +    if (local < MAX_FAN_CONTROL_POINTS)
>>> +        return (local + 1) <= point_count ? attr->mode : 0;
>>> +
>>> +    if (local < (2 * MAX_FAN_CONTROL_POINTS))
>>> +        return (local - MAX_FAN_CONTROL_POINTS + 1) <= point_count ?
>>> +            attr->mode : 0;
>>> +
>>> +    return 0;
>>> +}
>>> +
>>> +static const struct attribute_group hwmon_curve_attrgroup = {
>>> +    .attrs = hwmon_curve_attributes,
>>> +    .is_visible = xe_hwmon_curve_attributes_visible,
>>> +};
>>> +
>>>   static int xe_hwmon_read_fan_control_info(struct xe_hwmon *hwmon)
>>>   {
>>>       struct xe_tile *root_tile = xe_device_get_root_tile(hwmon->xe);

  reply	other threads:[~2026-09-03 17:14 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-17  4:17 [PATCH v2 0/9] Add fan control support Karthik Poosa
2026-07-17  4:16 ` ✓ CI.KUnit: success for Add fan control support (rev2) Patchwork
2026-07-17  4:17 ` [PATCH v2 1/9] drm/xe/pcode: Introduce xe_pcode_read_timeout() API Karthik Poosa
2026-07-17  4:17 ` [PATCH v2 2/9] drm/xe/hwmon: initialize fan-control backend and table cache Karthik Poosa
2026-08-10  6:03   ` Nilawar, Badal
2026-08-25 16:10     ` Poosa, Karthik
2026-08-11 13:11   ` Nilawar, Badal
2026-08-17 17:01     ` Poosa, Karthik
2026-08-25 16:14     ` Poosa, Karthik
2026-07-17  4:17 ` [PATCH v2 3/9] drm/xe/hwmon: expose fanN_max Karthik Poosa
2026-07-23  5:34   ` Purkait, Soham
2026-07-17  4:17 ` [PATCH v2 4/9] drm/xe/hwmon: expose pwm[1-3] Karthik Poosa
2026-07-24  7:02   ` Purkait, Soham
2026-08-11 13:58     ` Poosa, Karthik
2026-09-01  6:06   ` Purkait, Soham
2026-09-02  7:14     ` Poosa, Karthik
2026-09-03  6:22   ` Purkait, Soham
2026-07-17  4:17 ` [PATCH v2 5/9] drm/xe/hwmon: expose pwm[1-3]_enable Karthik Poosa
2026-09-02  5:57   ` Purkait, Soham
2026-07-17  4:17 ` [PATCH v2 6/9] drm/xe/hwmon: Enable fan curve control support Karthik Poosa
2026-07-22 18:16   ` Purkait, Soham
2026-08-27 12:07     ` Poosa, Karthik
2026-09-03 17:13       ` Purkait, Soham [this message]
2026-09-02  6:35   ` Purkait, Soham
2026-09-02  7:36     ` Poosa, Karthik
2026-09-03 17:36   ` Purkait, Soham
2026-07-17  4:17 ` [PATCH v2 7/9] drm/xe/hwmon: Add kernel-doc for fan control Karthik Poosa
2026-07-17  4:17 ` [PATCH v2 8/9] drm/xe/hwmon: preserve fan user table across suspend resume Karthik Poosa
2026-08-10  5:53   ` Nilawar, Badal
2026-08-27 10:27     ` Poosa, Karthik
2026-07-17  4:17 ` [PATCH v2 9/9] drm/xe/hwmon: Update fan info after late binding Karthik Poosa
2026-07-20  6:20   ` Purkait, Soham
2026-08-27 10:36     ` Poosa, Karthik
2026-07-17  5:00 ` ✓ Xe.CI.BAT: success for Add fan control support (rev2) Patchwork
2026-07-17  8:18 ` ✗ Xe.CI.FULL: failure " Patchwork

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    --in-reply-to=f09a3676-9047-407d-9502-5ab509846995@intel.com \
    --to=soham.purkait@intel.com \
    --cc=anshuman.gupta@intel.com \
    --cc=badal.nilawar@intel.com \
    --cc=intel-xe@lists.freedesktop.org \
    --cc=karthik.poosa@intel.com \
    --cc=mallesh.koujalagi@intel.com \
    --cc=raag.jadav@intel.com \
    --cc=riana.tauro@intel.com \
    --cc=rodrigo.vivi@intel.com \
    --cc=sk.anirban@intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

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