blob: 3185f6486c71e5740200ebfb4d006f9cbb5b3a75 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
{ config, pkgs, lib, ... }:
with lib;
let
cfg = config.programs.corectrl;
in
{
options.programs.corectrl = {
enable = mkEnableOption ''
A tool to overclock amd graphics cards and processors.
Add your user to the corectrl group to run corectrl without needing to enter your password
'';
gpuOverclock = {
enable = mkEnableOption ''
true
'';
ppfeaturemask = mkOption {
type = types.str;
default = "0xfffd7fff";
example = "0xffffffff";
description = ''
Sets the `amdgpu.ppfeaturemask` kernel option.
In particular, it is used here to set the overdrive bit.
Default is `0xfffd7fff` as it is less likely to cause flicker issues.
Setting it to `0xffffffff` enables all features.
'';
};
};
};
config = mkIf cfg.enable (lib.mkMerge [
{
environment.systemPackages = [ pkgs.corectrl ];
services.dbus.packages = [ pkgs.corectrl ];
users.groups.corectrl = { };
security.polkit.extraConfig = ''
polkit.addRule(function(action, subject) {
if ((action.id == "org.corectrl.helper.init" ||
action.id == "org.corectrl.helperkiller.init") &&
subject.local == true &&
subject.active == true &&
subject.isInGroup("corectrl")) {
return polkit.Result.YES;
}
});
'';
}
(lib.mkIf cfg.gpuOverclock.enable {
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/gpu/drm/amd/include/amd_shared.h#n169
# The overdrive bit
boot.kernelParams = [ "amdgpu.ppfeaturemask=${cfg.gpuOverclock.ppfeaturemask}" ];
})
]);
meta.maintainers = with lib.maintainers; [ artturin ];
}
|