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. 309