dotfiles.nix/nixos/fuchsia/services/amdgpu-clocks.nix

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{pkgs, ...}: {
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# Our custom power state
environment.etc = {
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"default/amdgpu-custom-states.card1" = {
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text = ''
# For Navi (and Radeon7) we can only set highest SCLK & MCLK, "state 1":
OD_SCLK:
1: 1800MHz
OD_MCLK:
1: 875MHz
# More fine-grain control of clocks and voltages are done with VDDC curve:
OD_VDDC_CURVE:
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0: 800MHz @ 699mV
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1: 1450MHz @ 795mV
2: 1800MHz @ 950mV
# Force power limit (in micro watts):
FORCE_POWER_CAP: 200000000
FORCE_PERF_LEVEL: manual
'';
# The UNIX file mode bits
mode = "0440";
};
};
# Install our overclocking script.
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environment.systemPackages = with pkgs; [amdgpu-clocks];
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}