Lines Matching +full:bus +full:- +full:power
1 .. SPDX-License-Identifier: GPL-2.0
12 ------------
15 level hardware/software solution for power and thermal management.
17 As a container for multiple power/thermal technologies, DPTF provides
26 "Linux Thermal Daemon" to read platform specific thermal and power
31 ----------------------------
33 :file:`/sys/bus/platform/devices/<N>/uuids`, where <N>
43 "42A441D6-AE6A-462b-A84B-4A8CE79027D3" : Passive 1
45 "3A95C389-E4B8-4629-A526-C52C88626BAE" : Active
47 "97C68AE7-15FA-499c-B8C9-5DA81D606E0A" : Critical
49 "63BE270F-1C11-48FD-A6F7-3AF253FF3E2D" : Adaptive performance
51 "5349962F-71E6-431D-9AE8-0A635B710AEE" : Emergency call
53 "9E04115A-AE87-4D1C-9500-0F3E340BFE75" : Passive 2
55 "F5A35014-C209-46A4-993A-EB56DE7530A1" : Power Boss
57 "6ED722A7-9240-48A5-B479-31EEF723D7CF" : Virtual Sensor
59 "16CAF1B7-DD38-40ED-B1C1-1B8A1913D531" : Cooling mode
61 "BE84BABF-C4D4-403D-B495-3128FD44dAC1" : HDC
67 :file:`/sys/bus/platform/devices/<N>/`, where <N>
92 ------------------------------------------
118 -------------------------
124 --------------------------
130 --------------------------------------------
132 :file:`/sys/bus/pci/devices/0000\:00\:04.0/power_limits/`
134 Refer to Documentation/power/powercap/powercap.rst for powercap
141 Power limit increment/decrements for Intel RAPL constraint 0 power limit
156 Power limit increment/decrements for Intel RAPL constraint 1 power limit
168 When set to 1, the power floor of the system in the current
170 power to be reduced any further.
173 When set to 1, enable reading and notification of the power floor
177 :file:`/sys/bus/pci/devices/0000\:00\:04.0/`
183 :file:`/sys/bus/pci/devices/0000\:00\:04.0/workload_request`
195 --------------------------------------------
203 with very sensitive wireless receivers such as Wi-Fi and cellular that
219 DRAM devices of DDR IO interface and their power plane can generate EMI
222 are met: there is strong RFI interference because of DDR; CPU power
225 DDR-RFIM) for Wi-Fi from BIOS.
230 :file:`/sys/bus/pci/devices/0000\:00\:04.0/fivr/`
233 The VCO reference code is an 11-bit field and controls the FIVR
234 switching frequency. This is the 3-bit LSB field.
237 The VCO reference code is an 11-bit field and controls the FIVR
238 switching frequency. This is the 8-bit MSB field.
256 :file:`/sys/bus/pci/devices/0000\:00\:04.0/dvfs/`
289 :file:`/sys/bus/pci/devices/0000\:00\:04.0/dlvr/`
319 DPTF Power supply and Battery Interface
320 ----------------------------------------
322 Refer to Documentation/ABI/testing/sysfs-platform-dptf
325 ----------------------------------------
327 Refer to Documentation/admin-guide/acpi/fan_performance_states.rst
330 ----------------------------------------
340 file:`/sys/bus/pci/devices/0000:00:04.0/workload_hint/`
341 Segment 0, bus 0, device 4, function 0 is reserved for the processor thermal
353 The delay is rounded up to the nearest power of 2 to simplify firmware
364 0 - Idle: System performs no tasks, power and idle residency are
367 1 – Battery Life: Power is relatively low, but the processor may
371 2 – Sustained: Power level that is relatively high for a long period
373 eventually exhaust RAPL Power Limit 1 and 2.
375 3 – Bursty: Consumes a relatively constant average amount of power, but
378 relative idleness between them typically prevent RAPL Power