pyrox.dev
Merge pull request #126439 from Artturin/add-corectrl-module
nixos/corectrl: init module
authored by
Anderson Torres
and committed by
GitHub
0b37436b
e1484355
+62
nixos/modules/hardware/corectrl.nix
+62
nixos/modules/hardware/corectrl.nix
···
1
+
{ config, pkgs, lib, ... }:
2
+
3
+
with lib;
4
+
5
+
let
6
+
cfg = config.programs.corectrl;
7
+
in
8
+
{
9
+
options.programs.corectrl = {
10
+
enable = mkEnableOption ''
11
+
A tool to overclock amd graphics cards and processors.
12
+
Add your user to the corectrl group to run corectrl without needing to enter your password
13
+
'';
14
+
15
+
gpuOverclock = {
16
+
enable = mkEnableOption ''
17
+
true
18
+
'';
19
+
ppfeaturemask = mkOption {
20
+
type = types.str;
21
+
default = "0xfffd7fff";
22
+
example = "0xffffffff";
23
+
description = ''
24
+
Sets the `amdgpu.ppfeaturemask` kernel option.
25
+
In particular, it is used here to set the overdrive bit.
26
+
Default is `0xfffd7fff` as it is less likely to cause flicker issues.
27
+
Setting it to `0xffffffff` enables all features.
28
+
'';
29
+
};
30
+
};
31
+
};
32
+
33
+
config = mkIf cfg.enable (lib.mkMerge [
34
+
{
35
+
environment.systemPackages = [ pkgs.corectrl ];
36
+
37
+
services.dbus.packages = [ pkgs.corectrl ];
38
+
39
+
users.groups.corectrl = { };
40
+
41
+
security.polkit.extraConfig = ''
42
+
polkit.addRule(function(action, subject) {
43
+
if ((action.id == "org.corectrl.helper.init" ||
44
+
action.id == "org.corectrl.helperkiller.init") &&
45
+
subject.local == true &&
46
+
subject.active == true &&
47
+
subject.isInGroup("corectrl")) {
48
+
return polkit.Result.YES;
49
+
}
50
+
});
51
+
'';
52
+
}
53
+
54
+
(lib.mkIf cfg.gpuOverclock.enable {
55
+
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/gpu/drm/amd/include/amd_shared.h#n169
56
+
# The overdrive bit
57
+
boot.kernelParams = [ "amdgpu.ppfeaturemask=${cfg.gpuOverclock.ppfeaturemask}" ];
58
+
})
59
+
]);
60
+
61
+
meta.maintainers = with lib.maintainers; [ artturin ];
62
+
}