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1What: /sys/bus/pci/drivers/i915/.../hwmon/hwmon<i>/in0_input2Date: February 20233KernelVersion: 6.24Contact: intel-gfx@lists.freedesktop.org5Description: RO. Current Voltage in millivolt.6 7 Only supported for particular Intel i915 graphics platforms.8 9What: /sys/bus/pci/drivers/i915/.../hwmon/hwmon<i>/power1_max10Date: February 202311KernelVersion: 6.212Contact: intel-gfx@lists.freedesktop.org13Description: RW. Card reactive sustained (PL1/Tau) power limit in microwatts.14 15 The power controller will throttle the operating frequency16 if the power averaged over a window (typically seconds)17 exceeds this limit. A read value of 0 means that the PL118 power limit is disabled, writing 0 disables the19 limit. Writing values > 0 will enable the power limit.20 21 Only supported for particular Intel i915 graphics platforms.22 23What: /sys/bus/pci/drivers/i915/.../hwmon/hwmon<i>/power1_rated_max24Date: February 202325KernelVersion: 6.226Contact: intel-gfx@lists.freedesktop.org27Description: RO. Card default power limit (default TDP setting).28 29 Only supported for particular Intel i915 graphics platforms.30 31What: /sys/bus/pci/drivers/i915/.../hwmon/hwmon<i>/power1_max_interval32Date: February 202333KernelVersion: 6.234Contact: intel-gfx@lists.freedesktop.org35Description: RW. Sustained power limit interval (Tau in PL1/Tau) in36 milliseconds over which sustained power is averaged.37 38 Only supported for particular Intel i915 graphics platforms.39 40What: /sys/bus/pci/drivers/i915/.../hwmon/hwmon<i>/power1_crit41Date: February 202342KernelVersion: 6.243Contact: intel-gfx@lists.freedesktop.org44Description: RW. Card reactive critical (I1) power limit in microwatts.45 46 Card reactive critical (I1) power limit in microwatts is exposed47 for client products. The power controller will throttle the48 operating frequency if the power averaged over a window exceeds49 this limit.50 51 Only supported for particular Intel i915 graphics platforms.52 53What: /sys/bus/pci/drivers/i915/.../hwmon/hwmon<i>/curr1_crit54Date: February 202355KernelVersion: 6.256Contact: intel-gfx@lists.freedesktop.org57Description: RW. Card reactive critical (I1) power limit in milliamperes.58 59 Card reactive critical (I1) power limit in milliamperes is60 exposed for server products. The power controller will throttle61 the operating frequency if the power averaged over a window62 exceeds this limit.63 64 Only supported for particular Intel i915 graphics platforms.65 66What: /sys/bus/pci/drivers/i915/.../hwmon/hwmon<i>/energy1_input67Date: February 202368KernelVersion: 6.269Contact: intel-gfx@lists.freedesktop.org70Description: RO. Energy input of device or gt in microjoules.71 72 For i915 device level hwmon devices (name "i915") this73 reflects energy input for the entire device. For gt level74 hwmon devices (name "i915_gtN") this reflects energy input75 for the gt.76 77 Only supported for particular Intel i915 graphics platforms.78 79What: /sys/bus/pci/drivers/i915/.../hwmon/hwmon<i>/fan1_input80Date: November 202481KernelVersion: 6.1282Contact: intel-gfx@lists.freedesktop.org83Description: RO. Fan speed of device in RPM.84 85 Only supported for particular Intel i915 graphics platforms.86