Only supported for particular Intel Xe graphics platforms.
-What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/power2_crit
-Date: February 2024
-KernelVersion: 6.8
+What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/power1_crit
+Date: May 2025
+KernelVersion: 6.15
Contact: intel-xe@lists.freedesktop.org
-Description: RW. Package reactive critical (I1) power limit in microwatts.
+Description: RW. Card reactive critical (I1) power limit in microwatts.
- Package reactive critical (I1) power limit in microwatts is exposed
+ Card reactive critical (I1) power limit in microwatts is exposed
for client products. The power controller will throttle the
operating frequency if the power averaged over a window exceeds
this limit.
Only supported for particular Intel Xe graphics platforms.
-What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/curr2_crit
-Date: February 2024
-KernelVersion: 6.8
+What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/curr1_crit
+Date: May 2025
+KernelVersion: 6.15
Contact: intel-xe@lists.freedesktop.org
-Description: RW. Package reactive critical (I1) power limit in milliamperes.
+Description: RW. Card reactive critical (I1) power limit in milliamperes.
- Package reactive critical (I1) power limit in milliamperes is
+ Card reactive critical (I1) power limit in milliamperes is
exposed for server products. The power controller will throttle
the operating frequency if the power averaged over a window
exceeds this limit.
static const struct hwmon_channel_info * const hwmon_info[] = {
HWMON_CHANNEL_INFO(temp, HWMON_T_LABEL, HWMON_T_INPUT | HWMON_T_LABEL,
HWMON_T_INPUT | HWMON_T_LABEL),
- HWMON_CHANNEL_INFO(power, HWMON_P_MAX | HWMON_P_RATED_MAX | HWMON_P_LABEL,
- HWMON_P_MAX | HWMON_P_RATED_MAX | HWMON_P_CRIT | HWMON_P_LABEL),
+ HWMON_CHANNEL_INFO(power, HWMON_P_MAX | HWMON_P_RATED_MAX | HWMON_P_LABEL | HWMON_P_CRIT,
+ HWMON_P_MAX | HWMON_P_RATED_MAX | HWMON_P_LABEL),
HWMON_CHANNEL_INFO(curr, HWMON_C_LABEL, HWMON_C_CRIT | HWMON_C_LABEL),
HWMON_CHANNEL_INFO(in, HWMON_I_INPUT | HWMON_I_LABEL, HWMON_I_INPUT | HWMON_I_LABEL),
HWMON_CHANNEL_INFO(energy, HWMON_E_INPUT | HWMON_E_LABEL, HWMON_E_INPUT | HWMON_E_LABEL),
channel)) ? 0444 : 0;
case hwmon_power_crit:
case hwmon_power_label:
- if (channel == CHANNEL_PKG) {
+ if (channel == CHANNEL_CARD) {
xe_hwmon_pcode_read_i1(hwmon, &uval);
return (uval & POWER_SETUP_I1_WATTS) ? (attr == hwmon_power_label) ?
0444 : 0644 : 0;