35 lines
2.3 KiB
Nix
35 lines
2.3 KiB
Nix
# modules/power.nix
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# Power management for desktop: CPU governor control, power profiles
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{ config, pkgs, lib, ... }:
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{
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# ═══════════════════════════════════════════════════════════════
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# POWER PROFILES DAEMON
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# ═══════════════════════════════════════════════════════════════
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# Provides power-saver, balanced, and performance profiles
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# Can be switched via CLI or desktop integration
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services.power-profiles-daemon.enable = true;
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# ═══════════════════════════════════════════════════════════════
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# CPU FREQUENCY SCALING
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# ═══════════════════════════════════════════════════════════════
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# Use schedutil for modern AMD CPUs (responds to load dynamically)
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powerManagement.cpuFreqGovernor = "schedutil";
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# ═══════════════════════════════════════════════════════════════
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# PACKAGES
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# ═══════════════════════════════════════════════════════════════
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environment.systemPackages = with pkgs; [
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power-profiles-daemon # Already enabled as service, CLI tool for control
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];
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# ═══════════════════════════════════════════════════════════════
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# KERNEL PARAMETERS FOR POWER EFFICIENCY
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# ═══════════════════════════════════════════════════════════════
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# These help reduce power draw on idle desktop systems
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boot.kernelParams = [
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# Enable AMD P-State driver for modern Ryzen CPUs
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"amd_pstate=active"
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];
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}
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