Linux kernel mirror (for testing)
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linux
1What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/power1_max
2Date: September 2023
3KernelVersion: 6.5
4Contact: intel-xe@lists.freedesktop.org
5Description: RW. Card reactive sustained (PL1) power limit in microwatts.
6
7 The power controller will throttle the operating frequency
8 if the power averaged over a window (typically seconds)
9 exceeds this limit. A read value of 0 means that the PL1
10 power limit is disabled, writing 0 disables the
11 limit. Writing values > 0 and <= TDP will enable the power limit.
12
13 Only supported for particular Intel Xe graphics platforms.
14
15What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/power1_rated_max
16Date: September 2023
17KernelVersion: 6.5
18Contact: intel-xe@lists.freedesktop.org
19Description: RO. Card default power limit (default TDP setting).
20
21 Only supported for particular Intel Xe graphics platforms.
22
23
24What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/energy1_input
25Date: September 2023
26KernelVersion: 6.5
27Contact: intel-xe@lists.freedesktop.org
28Description: RO. Card energy input of device in microjoules.
29
30 Only supported for particular Intel Xe graphics platforms.
31
32What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/power1_max_interval
33Date: October 2023
34KernelVersion: 6.6
35Contact: intel-xe@lists.freedesktop.org
36Description: RW. Card sustained power limit interval (Tau in PL1/Tau) in
37 milliseconds over which sustained power is averaged.
38
39 Only supported for particular Intel Xe graphics platforms.
40
41What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/power2_max
42Date: February 2024
43KernelVersion: 6.8
44Contact: intel-xe@lists.freedesktop.org
45Description: RW. Package reactive sustained (PL1) power limit in microwatts.
46
47 The power controller will throttle the operating frequency
48 if the power averaged over a window (typically seconds)
49 exceeds this limit. A read value of 0 means that the PL1
50 power limit is disabled, writing 0 disables the
51 limit. Writing values > 0 and <= TDP will enable the power limit.
52
53 Only supported for particular Intel Xe graphics platforms.
54
55What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/power2_rated_max
56Date: February 2024
57KernelVersion: 6.8
58Contact: intel-xe@lists.freedesktop.org
59Description: RO. Package default power limit (default TDP setting).
60
61 Only supported for particular Intel Xe graphics platforms.
62
63What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/power1_crit
64Date: May 2025
65KernelVersion: 6.15
66Contact: intel-xe@lists.freedesktop.org
67Description: RW. Card reactive critical (I1) power limit in microwatts.
68
69 Card reactive critical (I1) power limit in microwatts is exposed
70 for client products. The power controller will throttle the
71 operating frequency if the power averaged over a window exceeds
72 this limit.
73
74 Only supported for particular Intel Xe graphics platforms.
75
76What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/curr1_crit
77Date: May 2025
78KernelVersion: 6.15
79Contact: intel-xe@lists.freedesktop.org
80Description: RW. Card reactive critical (I1) power limit in milliamperes.
81
82 Card reactive critical (I1) power limit in milliamperes is
83 exposed for server products. The power controller will throttle
84 the operating frequency if the power averaged over a window
85 exceeds this limit.
86
87What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/energy2_input
88Date: February 2024
89KernelVersion: 6.8
90Contact: intel-xe@lists.freedesktop.org
91Description: RO. Package energy input of device in microjoules.
92
93 Only supported for particular Intel Xe graphics platforms.
94
95What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/power2_max_interval
96Date: February 2024
97KernelVersion: 6.8
98Contact: intel-xe@lists.freedesktop.org
99Description: RW. Package sustained power limit interval (Tau in PL1/Tau) in
100 milliseconds over which sustained power is averaged.
101
102 Only supported for particular Intel Xe graphics platforms.
103
104What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/in1_input
105Date: February 2024
106KernelVersion: 6.8
107Contact: intel-xe@lists.freedesktop.org
108Description: RO. Package current voltage in millivolt.
109
110 Only supported for particular Intel Xe graphics platforms.
111
112What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/temp2_crit
113Date: January 2026
114KernelVersion: 7.0
115Contact: intel-xe@lists.freedesktop.org
116Description: RO. Package critical temperature in millidegree Celsius.
117
118 Only supported for particular Intel Xe graphics platforms.
119
120What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/temp2_emergency
121Date: January 2026
122KernelVersion: 7.0
123Contact: intel-xe@lists.freedesktop.org
124Description: RO. Package shutdown temperature in millidegree Celsius.
125
126 Only supported for particular Intel Xe graphics platforms.
127
128What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/temp2_input
129Date: March 2025
130KernelVersion: 6.15
131Contact: intel-xe@lists.freedesktop.org
132Description: RO. Package temperature in millidegree Celsius.
133
134 Only supported for particular Intel Xe graphics platforms.
135
136What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/temp2_max
137Date: January 2026
138KernelVersion: 7.0
139Contact: intel-xe@lists.freedesktop.org
140Description: RO. Package maximum temperature limit in millidegree Celsius.
141
142 Only supported for particular Intel Xe graphics platforms.
143
144What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/temp3_crit
145Date: January 2026
146KernelVersion: 7.0
147Contact: intel-xe@lists.freedesktop.org
148Description: RO. VRAM critical temperature in millidegree Celsius.
149
150 Only supported for particular Intel Xe graphics platforms.
151
152What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/temp3_emergency
153Date: January 2026
154KernelVersion: 7.0
155Contact: intel-xe@lists.freedesktop.org
156Description: RO. VRAM shutdown temperature in millidegree Celsius.
157
158 Only supported for particular Intel Xe graphics platforms.
159
160What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/temp3_input
161Date: March 2025
162KernelVersion: 6.15
163Contact: intel-xe@lists.freedesktop.org
164Description: RO. VRAM temperature in millidegree Celsius.
165
166 Only supported for particular Intel Xe graphics platforms.
167
168What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/temp4_crit
169Date: January 2026
170KernelVersion: 7.0
171Contact: intel-xe@lists.freedesktop.org
172Description: RO. Memory controller critical temperature in millidegree Celsius.
173
174 Only supported for particular Intel Xe graphics platforms.
175
176What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/temp4_emergency
177Date: January 2026
178KernelVersion: 7.0
179Contact: intel-xe@lists.freedesktop.org
180Description: RO. Memory controller shutdown temperature in millidegree Celsius.
181
182 Only supported for particular Intel Xe graphics platforms.
183
184What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/temp4_input
185Date: January 2026
186KernelVersion: 7.0
187Contact: intel-xe@lists.freedesktop.org
188Description: RO. Memory controller average temperature in millidegree Celsius.
189
190 Only supported for particular Intel Xe graphics platforms.
191
192What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/temp5_crit
193Date: January 2026
194KernelVersion: 7.0
195Contact: intel-xe@lists.freedesktop.org
196Description: RO. GPU PCIe critical temperature in millidegree Celsius.
197
198 Only supported for particular Intel Xe graphics platforms.
199
200What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/temp5_emergency
201Date: January 2026
202KernelVersion: 7.0
203Contact: intel-xe@lists.freedesktop.org
204Description: RO. GPU PCIe shutdown temperature in millidegree Celsius.
205
206 Only supported for particular Intel Xe graphics platforms.
207
208What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/temp5_input
209Date: January 2026
210KernelVersion: 7.0
211Contact: intel-xe@lists.freedesktop.org
212Description: RO. GPU PCIe temperature in millidegree Celsius.
213
214What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/temp[6-21]_crit
215Date: January 2026
216KernelVersion: 7.0
217Contact: intel-xe@lists.freedesktop.org
218Description: RO. VRAM channel critical temperature in millidegree Celsius.
219
220 Only supported for particular Intel Xe graphics platforms.
221
222What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/temp[6-21]_emergency
223Date: January 2026
224KernelVersion: 7.0
225Contact: intel-xe@lists.freedesktop.org
226Description: RO. VRAM channel shutdown temperature in millidegree Celsius.
227
228 Only supported for particular Intel Xe graphics platforms.
229
230What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/temp[6-21]_input
231Date: January 2026
232KernelVersion: 7.0
233Contact: intel-xe@lists.freedesktop.org
234Description: RO. VRAM channel temperature in millidegree Celsius.
235
236 Only supported for particular Intel Xe graphics platforms.
237
238What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/fan1_input
239Date: March 2025
240KernelVersion: 6.16
241Contact: intel-xe@lists.freedesktop.org
242Description: RO. Fan 1 speed in RPM.
243
244 Only supported for particular Intel Xe graphics platforms.
245
246What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/fan2_input
247Date: March 2025
248KernelVersion: 6.16
249Contact: intel-xe@lists.freedesktop.org
250Description: RO. Fan 2 speed in RPM.
251
252 Only supported for particular Intel Xe graphics platforms.
253
254What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/fan3_input
255Date: March 2025
256KernelVersion: 6.16
257Contact: intel-xe@lists.freedesktop.org
258Description: RO. Fan 3 speed in RPM.
259
260 Only supported for particular Intel Xe graphics platforms.
261
262What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/power1_cap
263Date: May 2025
264KernelVersion: 6.15
265Contact: intel-xe@lists.freedesktop.org
266Description: RW. Card burst (PL2) power limit in microwatts.
267
268 The power controller will throttle the operating frequency
269 if the power averaged over a window (typically milli seconds)
270 exceeds this limit. A read value of 0 means that the PL2
271 power limit is disabled, writing 0 disables the limit.
272 PL2 is greater than PL1 and its time window is lesser
273 compared to PL1.
274
275 Only supported for particular Intel Xe graphics platforms.
276
277What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/power2_cap
278Date: May 2025
279KernelVersion: 6.15
280Contact: intel-xe@lists.freedesktop.org
281Description: RW. Package burst (PL2) power limit in microwatts.
282
283 The power controller will throttle the operating frequency
284 if the power averaged over a window (typically milli seconds)
285 exceeds this limit. A read value of 0 means that the PL2
286 power limit is disabled, writing 0 disables the limit.
287 PL2 is greater than PL1 and its time window is lesser
288 compared to PL1.
289
290 Only supported for particular Intel Xe graphics platforms.
291
292What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/power1_cap_interval
293Date: May 2025
294KernelVersion: 6.15
295Contact: intel-xe@lists.freedesktop.org
296Description: RW. Card burst power limit interval (Tau in PL2/Tau) in
297 milliseconds over which sustained power is averaged.
298
299 Only supported for particular Intel Xe graphics platforms.
300
301What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/power2_cap_interval
302Date: May 2025
303KernelVersion: 6.15
304Contact: intel-xe@lists.freedesktop.org
305Description: RW. Package burst power limit interval (Tau in PL2/Tau) in
306 milliseconds over which sustained power is averaged.
307
308 Only supported for particular Intel Xe graphics platforms.