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_input 113Date: March 2025 114KernelVersion: 6.15 115Contact: intel-xe@lists.freedesktop.org 116Description: RO. Package temperature in millidegree Celsius. 117 118 Only supported for particular Intel Xe graphics platforms. 119 120What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/temp3_input 121Date: March 2025 122KernelVersion: 6.15 123Contact: intel-xe@lists.freedesktop.org 124Description: RO. VRAM temperature in millidegree Celsius. 125 126 Only supported for particular Intel Xe graphics platforms. 127 128What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/fan1_input 129Date: March 2025 130KernelVersion: 6.16 131Contact: intel-xe@lists.freedesktop.org 132Description: RO. Fan 1 speed in RPM. 133 134 Only supported for particular Intel Xe graphics platforms. 135 136What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/fan2_input 137Date: March 2025 138KernelVersion: 6.16 139Contact: intel-xe@lists.freedesktop.org 140Description: RO. Fan 2 speed in RPM. 141 142 Only supported for particular Intel Xe graphics platforms. 143 144What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/fan3_input 145Date: March 2025 146KernelVersion: 6.16 147Contact: intel-xe@lists.freedesktop.org 148Description: RO. Fan 3 speed in RPM. 149 150 Only supported for particular Intel Xe graphics platforms. 151 152What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/power1_cap 153Date: May 2025 154KernelVersion: 6.15 155Contact: intel-xe@lists.freedesktop.org 156Description: RW. Card burst (PL2) power limit in microwatts. 157 158 The power controller will throttle the operating frequency 159 if the power averaged over a window (typically milli seconds) 160 exceeds this limit. A read value of 0 means that the PL2 161 power limit is disabled, writing 0 disables the limit. 162 PL2 is greater than PL1 and its time window is lesser 163 compared to PL1. 164 165 Only supported for particular Intel Xe graphics platforms. 166 167What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/power2_cap 168Date: May 2025 169KernelVersion: 6.15 170Contact: intel-xe@lists.freedesktop.org 171Description: RW. Package burst (PL2) power limit in microwatts. 172 173 The power controller will throttle the operating frequency 174 if the power averaged over a window (typically milli seconds) 175 exceeds this limit. A read value of 0 means that the PL2 176 power limit is disabled, writing 0 disables the limit. 177 PL2 is greater than PL1 and its time window is lesser 178 compared to PL1. 179 180 Only supported for particular Intel Xe graphics platforms. 181 182What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/power1_cap_interval 183Date: May 2025 184KernelVersion: 6.15 185Contact: intel-xe@lists.freedesktop.org 186Description: RW. Card burst power limit interval (Tau in PL2/Tau) in 187 milliseconds over which sustained power is averaged. 188 189 Only supported for particular Intel Xe graphics platforms. 190 191What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/power2_cap_interval 192Date: May 2025 193KernelVersion: 6.15 194Contact: intel-xe@lists.freedesktop.org 195Description: RW. Package burst power limit interval (Tau in PL2/Tau) in 196 milliseconds over which sustained power is averaged. 197 198 Only supported for particular Intel Xe graphics platforms. 199