1 What: /sys/bus/pci/drivers/xe/.../hw 1 What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/power1_max
2 Date: September 2023 2 Date: September 2023
3 KernelVersion: 6.5 3 KernelVersion: 6.5
4 Contact: intel-xe@lists.freedesktop.org 4 Contact: intel-xe@lists.freedesktop.org
5 Description: RW. Card reactive sustained ( 5 Description: RW. Card reactive sustained (PL1) power limit in microwatts.
6 6
7 The power controller will thro 7 The power controller will throttle the operating frequency
8 if the power averaged over a w 8 if the power averaged over a window (typically seconds)
9 exceeds this limit. A read val 9 exceeds this limit. A read value of 0 means that the PL1
10 power limit is disabled, writi 10 power limit is disabled, writing 0 disables the
11 limit. Writing values > 0 and 11 limit. Writing values > 0 and <= TDP will enable the power limit.
12 12
13 Only supported for particular 13 Only supported for particular Intel Xe graphics platforms.
14 14
15 What: /sys/bus/pci/drivers/xe/.../hw 15 What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/power1_rated_max
16 Date: September 2023 16 Date: September 2023
17 KernelVersion: 6.5 17 KernelVersion: 6.5
18 Contact: intel-xe@lists.freedesktop.org 18 Contact: intel-xe@lists.freedesktop.org
19 Description: RO. Card default power limit ( 19 Description: RO. Card default power limit (default TDP setting).
20 20
21 Only supported for particular 21 Only supported for particular Intel Xe graphics platforms.
22 22
23 23
24 What: /sys/bus/pci/drivers/xe/.../hw 24 What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/energy1_input
25 Date: September 2023 25 Date: September 2023
26 KernelVersion: 6.5 26 KernelVersion: 6.5
27 Contact: intel-xe@lists.freedesktop.org 27 Contact: intel-xe@lists.freedesktop.org
28 Description: RO. Card energy input of devic 28 Description: RO. Card energy input of device in microjoules.
29 29
30 Only supported for particular 30 Only supported for particular Intel Xe graphics platforms.
31 31
32 What: /sys/bus/pci/drivers/xe/.../hw 32 What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/power1_max_interval
33 Date: October 2023 33 Date: October 2023
34 KernelVersion: 6.6 34 KernelVersion: 6.6
35 Contact: intel-xe@lists.freedesktop.org 35 Contact: intel-xe@lists.freedesktop.org
36 Description: RW. Card sustained power limit 36 Description: RW. Card sustained power limit interval (Tau in PL1/Tau) in
37 milliseconds over which sustai 37 milliseconds over which sustained power is averaged.
38 38
39 Only supported for particular 39 Only supported for particular Intel Xe graphics platforms.
40 40
41 What: /sys/bus/pci/drivers/xe/.../hw 41 What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/power2_max
42 Date: February 2024 42 Date: February 2024
43 KernelVersion: 6.8 43 KernelVersion: 6.8
44 Contact: intel-xe@lists.freedesktop.org 44 Contact: intel-xe@lists.freedesktop.org
45 Description: RW. Package reactive sustained 45 Description: RW. Package reactive sustained (PL1) power limit in microwatts.
46 46
47 The power controller will thro 47 The power controller will throttle the operating frequency
48 if the power averaged over a w 48 if the power averaged over a window (typically seconds)
49 exceeds this limit. A read val 49 exceeds this limit. A read value of 0 means that the PL1
50 power limit is disabled, writi 50 power limit is disabled, writing 0 disables the
51 limit. Writing values > 0 and 51 limit. Writing values > 0 and <= TDP will enable the power limit.
52 52
53 Only supported for particular 53 Only supported for particular Intel Xe graphics platforms.
54 54
55 What: /sys/bus/pci/drivers/xe/.../hw 55 What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/power2_rated_max
56 Date: February 2024 56 Date: February 2024
57 KernelVersion: 6.8 57 KernelVersion: 6.8
58 Contact: intel-xe@lists.freedesktop.org 58 Contact: intel-xe@lists.freedesktop.org
59 Description: RO. Package default power limi 59 Description: RO. Package default power limit (default TDP setting).
60 60
61 Only supported for particular 61 Only supported for particular Intel Xe graphics platforms.
62 62
63 What: /sys/bus/pci/drivers/xe/.../hw 63 What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/power2_crit
64 Date: February 2024 64 Date: February 2024
65 KernelVersion: 6.8 65 KernelVersion: 6.8
66 Contact: intel-xe@lists.freedesktop.org 66 Contact: intel-xe@lists.freedesktop.org
67 Description: RW. Package reactive critical 67 Description: RW. Package reactive critical (I1) power limit in microwatts.
68 68
69 Package reactive critical (I1) 69 Package reactive critical (I1) power limit in microwatts is exposed
70 for client products. The power 70 for client products. The power controller will throttle the
71 operating frequency if the pow 71 operating frequency if the power averaged over a window exceeds
72 this limit. 72 this limit.
73 73
74 Only supported for particular 74 Only supported for particular Intel Xe graphics platforms.
75 75
76 What: /sys/bus/pci/drivers/xe/.../hw 76 What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/curr2_crit
77 Date: February 2024 77 Date: February 2024
78 KernelVersion: 6.8 78 KernelVersion: 6.8
79 Contact: intel-xe@lists.freedesktop.org 79 Contact: intel-xe@lists.freedesktop.org
80 Description: RW. Package reactive critical 80 Description: RW. Package reactive critical (I1) power limit in milliamperes.
81 81
82 Package reactive critical (I1) 82 Package reactive critical (I1) power limit in milliamperes is
83 exposed for server products. T 83 exposed for server products. The power controller will throttle
84 the operating frequency if the 84 the operating frequency if the power averaged over a window
85 exceeds this limit. 85 exceeds this limit.
86 86
87 What: /sys/bus/pci/drivers/xe/.../hw 87 What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/energy2_input
88 Date: February 2024 88 Date: February 2024
89 KernelVersion: 6.8 89 KernelVersion: 6.8
90 Contact: intel-xe@lists.freedesktop.org 90 Contact: intel-xe@lists.freedesktop.org
91 Description: RO. Package energy input of de 91 Description: RO. Package energy input of device in microjoules.
92 92
93 Only supported for particular 93 Only supported for particular Intel Xe graphics platforms.
94 94
95 What: /sys/bus/pci/drivers/xe/.../hw 95 What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/power2_max_interval
96 Date: February 2024 96 Date: February 2024
97 KernelVersion: 6.8 97 KernelVersion: 6.8
98 Contact: intel-xe@lists.freedesktop.org 98 Contact: intel-xe@lists.freedesktop.org
99 Description: RW. Package sustained power li 99 Description: RW. Package sustained power limit interval (Tau in PL1/Tau) in
100 milliseconds over which sustai 100 milliseconds over which sustained power is averaged.
101 101
102 Only supported for particular 102 Only supported for particular Intel Xe graphics platforms.
103 103
104 What: /sys/bus/pci/drivers/xe/.../hw 104 What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/in1_input
105 Date: February 2024 105 Date: February 2024
106 KernelVersion: 6.8 106 KernelVersion: 6.8
107 Contact: intel-xe@lists.freedesktop.org 107 Contact: intel-xe@lists.freedesktop.org
108 Description: RO. Package current voltage in 108 Description: RO. Package current voltage in millivolt.
109 109
110 Only supported for particular 110 Only supported for particular Intel Xe graphics platforms.
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