1 What: /sys/bus/pci/drivers/i915/.../hwmon/hwmon<i>/in0_input
4 Contact: intel-gfx@lists.freedesktop.org
5 Description: RO. Current Voltage in millivolt.
7 Only supported for particular Intel i915 graphics platforms.
9 What: /sys/bus/pci/drivers/i915/.../hwmon/hwmon<i>/power1_max
12 Contact: intel-gfx@lists.freedesktop.org
13 Description: RW. Card reactive sustained (PL1/Tau) power limit in microwatts.
15 The power controller will throttle the operating frequency
16 if the power averaged over a window (typically seconds)
17 exceeds this limit. A read value of 0 means that the PL1
18 power limit is disabled, writing 0 disables the
19 limit. Writing values > 0 will enable the power limit.
21 Only supported for particular Intel i915 graphics platforms.
23 What: /sys/bus/pci/drivers/i915/.../hwmon/hwmon<i>/power1_rated_max
26 Contact: intel-gfx@lists.freedesktop.org
27 Description: RO. Card default power limit (default TDP setting).
29 Only supported for particular Intel i915 graphics platforms.
31 What: /sys/bus/pci/drivers/i915/.../hwmon/hwmon<i>/power1_max_interval
34 Contact: intel-gfx@lists.freedesktop.org
35 Description: RW. Sustained power limit interval (Tau in PL1/Tau) in
36 milliseconds over which sustained power is averaged.
38 Only supported for particular Intel i915 graphics platforms.
40 What: /sys/bus/pci/drivers/i915/.../hwmon/hwmon<i>/power1_crit
43 Contact: intel-gfx@lists.freedesktop.org
44 Description: RW. Card reactive critical (I1) power limit in microwatts.
46 Card reactive critical (I1) power limit in microwatts is exposed
47 for client products. The power controller will throttle the
48 operating frequency if the power averaged over a window exceeds
51 Only supported for particular Intel i915 graphics platforms.
53 What: /sys/bus/pci/drivers/i915/.../hwmon/hwmon<i>/curr1_crit
56 Contact: intel-gfx@lists.freedesktop.org
57 Description: RW. Card reactive critical (I1) power limit in milliamperes.
59 Card reactive critical (I1) power limit in milliamperes is
60 exposed for server products. The power controller will throttle
61 the operating frequency if the power averaged over a window
64 Only supported for particular Intel i915 graphics platforms.
66 What: /sys/bus/pci/drivers/i915/.../hwmon/hwmon<i>/energy1_input
69 Contact: intel-gfx@lists.freedesktop.org
70 Description: RO. Energy input of device or gt in microjoules.
72 For i915 device level hwmon devices (name "i915") this
73 reflects energy input for the entire device. For gt level
74 hwmon devices (name "i915_gtN") this reflects energy input
77 Only supported for particular Intel i915 graphics platforms.
79 What: /sys/bus/pci/drivers/i915/.../hwmon/hwmon<i>/fan1_input
82 Contact: intel-gfx@lists.freedesktop.org
83 Description: RO. Fan speed of device in RPM.
85 Only supported for particular Intel i915 graphics platforms.
87 What: /sys/bus/pci/drivers/i915/.../hwmon/hwmon<i>/temp1_input
90 Contact: intel-gfx@lists.freedesktop.org
91 Description: RO. GPU package temperature in millidegree Celsius.
93 Only supported for particular Intel i915 graphics platforms.