1 What: /sys/bus/pci/drivers/i915/.../ !! 1 What: /sys/devices/.../hwmon/hwmon<i>/in0_input
2 Date: February 2023 2 Date: February 2023
3 KernelVersion: 6.2 3 KernelVersion: 6.2
4 Contact: intel-gfx@lists.freedesktop.or 4 Contact: intel-gfx@lists.freedesktop.org
5 Description: RO. Current Voltage in millivo 5 Description: RO. Current Voltage in millivolt.
6 6
7 Only supported for particular 7 Only supported for particular Intel i915 graphics platforms.
8 8
9 What: /sys/bus/pci/drivers/i915/.../ !! 9 What: /sys/devices/.../hwmon/hwmon<i>/power1_max
10 Date: February 2023 10 Date: February 2023
11 KernelVersion: 6.2 11 KernelVersion: 6.2
12 Contact: intel-gfx@lists.freedesktop.or 12 Contact: intel-gfx@lists.freedesktop.org
13 Description: RW. Card reactive sustained ( 13 Description: RW. Card reactive sustained (PL1/Tau) power limit in microwatts.
14 14
15 The power controller will thro 15 The power controller will throttle the operating frequency
16 if the power averaged over a w 16 if the power averaged over a window (typically seconds)
17 exceeds this limit. A read val !! 17 exceeds this limit.
18 power limit is disabled, writi <<
19 limit. Writing values > 0 will <<
20 18
21 Only supported for particular 19 Only supported for particular Intel i915 graphics platforms.
22 20
23 What: /sys/bus/pci/drivers/i915/.../ !! 21 What: /sys/devices/.../hwmon/hwmon<i>/power1_rated_max
24 Date: February 2023 22 Date: February 2023
25 KernelVersion: 6.2 23 KernelVersion: 6.2
26 Contact: intel-gfx@lists.freedesktop.or 24 Contact: intel-gfx@lists.freedesktop.org
27 Description: RO. Card default power limit ( 25 Description: RO. Card default power limit (default TDP setting).
28 26
29 Only supported for particular 27 Only supported for particular Intel i915 graphics platforms.
30 28
31 What: /sys/bus/pci/drivers/i915/.../ !! 29 What: /sys/devices/.../hwmon/hwmon<i>/power1_max_interval
32 Date: February 2023 30 Date: February 2023
33 KernelVersion: 6.2 31 KernelVersion: 6.2
34 Contact: intel-gfx@lists.freedesktop.or 32 Contact: intel-gfx@lists.freedesktop.org
35 Description: RW. Sustained power limit inte 33 Description: RW. Sustained power limit interval (Tau in PL1/Tau) in
36 milliseconds over which sustai 34 milliseconds over which sustained power is averaged.
37 35
38 Only supported for particular 36 Only supported for particular Intel i915 graphics platforms.
39 37
40 What: /sys/bus/pci/drivers/i915/.../ !! 38 What: /sys/devices/.../hwmon/hwmon<i>/power1_crit
41 Date: February 2023 39 Date: February 2023
42 KernelVersion: 6.2 40 KernelVersion: 6.2
43 Contact: intel-gfx@lists.freedesktop.or 41 Contact: intel-gfx@lists.freedesktop.org
44 Description: RW. Card reactive critical (I1 42 Description: RW. Card reactive critical (I1) power limit in microwatts.
45 43
46 Card reactive critical (I1) po 44 Card reactive critical (I1) power limit in microwatts is exposed
47 for client products. The power 45 for client products. The power controller will throttle the
48 operating frequency if the pow 46 operating frequency if the power averaged over a window exceeds
49 this limit. 47 this limit.
50 48
51 Only supported for particular 49 Only supported for particular Intel i915 graphics platforms.
52 50
53 What: /sys/bus/pci/drivers/i915/.../ !! 51 What: /sys/devices/.../hwmon/hwmon<i>/curr1_crit
54 Date: February 2023 52 Date: February 2023
55 KernelVersion: 6.2 53 KernelVersion: 6.2
56 Contact: intel-gfx@lists.freedesktop.or 54 Contact: intel-gfx@lists.freedesktop.org
57 Description: RW. Card reactive critical (I1 55 Description: RW. Card reactive critical (I1) power limit in milliamperes.
58 56
59 Card reactive critical (I1) po 57 Card reactive critical (I1) power limit in milliamperes is
60 exposed for server products. T 58 exposed for server products. The power controller will throttle
61 the operating frequency if the 59 the operating frequency if the power averaged over a window
62 exceeds this limit. 60 exceeds this limit.
63 61
64 Only supported for particular 62 Only supported for particular Intel i915 graphics platforms.
65 63
66 What: /sys/bus/pci/drivers/i915/.../ !! 64 What: /sys/devices/.../hwmon/hwmon<i>/energy1_input
67 Date: February 2023 65 Date: February 2023
68 KernelVersion: 6.2 66 KernelVersion: 6.2
69 Contact: intel-gfx@lists.freedesktop.or 67 Contact: intel-gfx@lists.freedesktop.org
70 Description: RO. Energy input of device or 68 Description: RO. Energy input of device or gt in microjoules.
71 69
72 For i915 device level hwmon de 70 For i915 device level hwmon devices (name "i915") this
73 reflects energy input for the 71 reflects energy input for the entire device. For gt level
74 hwmon devices (name "i915_gtN" 72 hwmon devices (name "i915_gtN") this reflects energy input
75 for the gt. 73 for the gt.
76 <<
77 Only supported for particular <<
78 <<
79 What: /sys/bus/pci/drivers/i915/.../ <<
80 Date: November 2024 <<
81 KernelVersion: 6.12 <<
82 Contact: intel-gfx@lists.freedesktop.or <<
83 Description: RO. Fan speed of device in RPM <<
84 74
85 Only supported for particular 75 Only supported for particular Intel i915 graphics platforms.
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