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Add NixVirt support and GPU passthrough configuration

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OlivierChiasson
2026-06-11 22:18:01 -03:00
parent 202555c5f1
commit ce79bcd03f
11 changed files with 852 additions and 47 deletions
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modules/hosts/14900k/_private/displays.nix
+82 -44
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@@ -1,61 +1,99 @@
# Monitor layout for 14900k (ported from NixOS-New `hosts/clients/14900k/home.nix`).
# Niri: `chiasson.desktop.niri.extraSettings` (`extraConfig` KDL + `binds` merged with defaults).
# Monitor layout for 14900k.
# NVIDIA (default): DP-2 ultrawide, HDMI-A-3 + DP-4 side/top stack.
# Intel iGPU (gpu passthru): DP-1 ultrawide, HDMI-A-2 Samsung to the left.
# Niri: `extraSettings` (KDL via `extraConfig`, other wrapper-modules keys) + `extraBinds` (merged keybinds).
# Hyprland: `chiasson.desktop.hyprland.settings` (merged in HM when `chiasson.desktop.hyprland.enable`).
#TODO[epic=Moderate] Clean this up, move to host's configuration.nix.
{ config, lib, ... }:
{
chiasson.desktop.niri.extraSettings = {
extraConfig = ''
output "DP-2" {
mode "2560x1080@144"
scale 1.0
position x=0 y=0
focus-at-startup
}
output "HDMI-A-3" {
mode "1920x1080@60"
scale 1.0
position x=-1920 y=0
}
output "DP-4" {
mode "1920x1080@144"
scale 1.0
position x=0 y=-1080
}
let
gpuPassthru = config.chiasson.system.gpuPassthru.enable;
'';
niriOutputs =
if gpuPassthru then
''
output "DP-1" {
mode "2560x1080@144"
scale 1.0
position x=0 y=0
focus-at-startup
}
output "HDMI-A-2" {
mode "1920x1080@60"
scale 1.0
position x=-1920 y=0
}
''
else
''
output "DP-3" {
mode "2560x1080@144"
scale 1.0
position x=0 y=0
focus-at-startup
}
output "HDMI-A-3" {
mode "1920x1080@60"
scale 1.0
position x=-1920 y=0
}
output "DP-4" {
mode "1920x1080@144"
scale 1.0
position x=0 y=-1080
}
'';
binds."XF86Tools".spawn = [
"wpctl"
"set-mute"
"@DEFAULT_AUDIO_SOURCE@"
"toggle"
];
};
chiasson.desktop.hyprland.settings = lib.mkIf config.chiasson.desktop.hyprland.enable (
let
monitorList = [
"DP-2, 2560x1080@144, 0x0, 1"
hyprlandMonitors =
if gpuPassthru then
[
"DP-1, 2560x1080@144, 0x0, 1"
"HDMI-A-2, 1920x1080@60, -1920x0, 1"
]
else
[
"DP-3, 2560x1080@144, 0x0, 1"
"DP-4, 1920x1080@144, 0x-1080, 1"
"HDMI-A-3, 1920x1080@60, -1920x0, 1"
];
workspaceList = [
hyprlandWorkspaces =
if gpuPassthru then
[
"1, monitor:DP-1, default:true"
"2, monitor:DP-1"
"3, monitor:DP-1"
"4, monitor:HDMI-A-2, default:true"
"5, monitor:HDMI-A-2"
"6, monitor:HDMI-A-2"
]
else
[
"1, monitor:DP-3, default:true"
"2, monitor:DP-3"
"3, monitor:DP-3"
"4, monitor:Unknown-2, default:true"
"5, monitor:Unknown-2"
"6, monitor:Unknown-2"
"4, monitor:HDMI-A-3, default:true"
"5, monitor:HDMI-A-3"
"6, monitor:HDMI-A-3"
"7, monitor:DP-4"
"8, monitor:DP-4"
"9, monitor:DP-4"
];
in
{
monitor = lib.mkBefore monitorList;
workspace = workspaceList;
}
);
in
{
chiasson.desktop.niri.extraSettings = {
extraConfig = niriOutputs;
};
chiasson.desktop.niri.extraBinds."XF86Tools".spawn = [
"wpctl"
"set-mute"
"@DEFAULT_AUDIO_SOURCE@"
"toggle"
];
chiasson.desktop.hyprland.settings = lib.mkIf config.chiasson.desktop.hyprland.enable {
monitor = lib.mkBefore hyprlandMonitors;
workspace = hyprlandWorkspaces;
};
}