mirror of
https://github.com/NixOS/nixos-hardware.git
synced 2025-11-04 17:27:14 +08:00
c6c90887f8
fixes https://github.com/NixOS/nixos-hardware/issues/1114 and tlp also no longer recommands it.
78 lines
2.8 KiB
Nix
78 lines
2.8 KiB
Nix
{ config, lib, ... }: {
|
|
imports = [
|
|
../../../common/gpu/24.05-compat.nix
|
|
../../../common/gpu/nvidia/prime.nix
|
|
../../../common/gpu/nvidia/maxwell
|
|
../../../common/cpu/intel/kaby-lake
|
|
../.
|
|
];
|
|
|
|
hardware = {
|
|
graphics = {
|
|
enable = lib.mkDefault true;
|
|
enable32Bit = lib.mkDefault true;
|
|
};
|
|
|
|
nvidia = {
|
|
prime = {
|
|
intelBusId = lib.mkDefault "PCI:0:2:0";
|
|
nvidiaBusId = lib.mkDefault "PCI:1:0:0";
|
|
};
|
|
};
|
|
};
|
|
|
|
# required to make wireless work
|
|
hardware.enableAllFirmware = lib.mkDefault true;
|
|
|
|
# fix suspend/resume screen corruption in sync mode
|
|
hardware.nvidia.powerManagement =
|
|
lib.mkIf config.hardware.nvidia.prime.sync.enable {
|
|
enable = lib.mkDefault true;
|
|
};
|
|
|
|
# fix screen tearing in sync mode
|
|
hardware.nvidia.modesetting =
|
|
lib.mkIf config.hardware.nvidia.prime.sync.enable {
|
|
enable = lib.mkDefault true;
|
|
};
|
|
|
|
# Make the DPI the same in sync mode as in offload mode (disabled because
|
|
# these thinkpads come with many kinds of screens, but this is valid for the
|
|
# 1920x1080 ones)
|
|
#services.xserver.dpi = 96;
|
|
|
|
# silence ACPI "errors" at boot shown before NixOS stage 1 output (default is 4)
|
|
#boot.consoleLogLevel = 3;
|
|
|
|
# throttled vs. thermald
|
|
# -----------------------
|
|
#
|
|
# NB: the p53 profile currently uses throttled to prevent too-eager CPU
|
|
# throttling. I understand throttled to have been a workaround solution at
|
|
# the time the p53 profile was created (throttled's original name was
|
|
# "lenovo_fix"). thermald would have been preferred if it worked at the
|
|
# time.
|
|
#
|
|
# I read
|
|
# https://wiki.archlinux.org/title/Lenovo_ThinkPad_X1_Carbon_(Gen_6)#Power_management.2FThrottling_issues
|
|
# as saying that thermald is fixed under the circumstance that led to the
|
|
# development of throttled given version 5.12+ of the kernel combined
|
|
# with version 2.4.3+ of thermald. At the time of this writing, the
|
|
# stable NixOS kernel is 5.15 and 2.4.9 of thermald.
|
|
#
|
|
# In the meantime, I also ran the "s-tui" program which can stress test the
|
|
# system, while eyeing up the core temps and CPU frequency under three
|
|
# scenarios: under thermald, under throttled, and with neither. None of the
|
|
# scenarios seem to have massively improved fan behavior, core temps, or
|
|
# average CPU frequency than another. The highest core temp always seems to
|
|
# hover around 90 degrees C, the lowest CPU Ghz around 3.4 on a 3.8Ghz machine.
|
|
#
|
|
# I ended up choosing throttled because subjectively, the fans seem quieter
|
|
# when it's stressed and it allows the average temps to get a degree or two
|
|
# higher when running throttled than when running in the other two scenarios,
|
|
# but still substantially under critical temp.
|
|
|
|
services.throttled.enable = lib.mkDefault true;
|
|
|
|
}
|