From 44d95b773b0998d5db577c7a856b4d8af2aeec19 Mon Sep 17 00:00:00 2001
From: rnhmjoj <rnhmjoj@inventati.org>
Date: Wed, 23 Jun 2021 17:18:21 +0200
Subject: [PATCH] nixos/qemu: make display resolution configurable
---
nixos/modules/virtualisation/qemu-vm.nix | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/nixos/modules/virtualisation/qemu-vm.nix b/nixos/modules/virtualisation/qemu-vm.nix
index 481c4f974cce..bf65c7f3d898 100644
--- a/nixos/modules/virtualisation/qemu-vm.nix
+++ b/nixos/modules/virtualisation/qemu-vm.nix
@@ -350,6 +350,16 @@ in
'';
};
+ virtualisation.resolution =
+ mkOption {
+ type = options.services.xserver.resolutions.type.nestedTypes.elemType;
+ default = { x = 1024; y = 768; };
+ description =
+ ''
+ The resolution of the virtual machine display.
+ '';
+ };
+
virtualisation.cores =
mkOption {
type = types.ints.positive;
@@ -601,6 +611,7 @@ in
then driveDeviceName 2 # second disk
else cfg.bootDevice
);
+ boot.loader.grub.gfxmodeBios = with cfg.resolution; "${toString x}x${toString y}";
boot.initrd.extraUtilsCommands =
''
@@ -780,7 +791,7 @@ in
# video driver the host uses.
services.xserver.videoDrivers = mkVMOverride [ "modesetting" ];
services.xserver.defaultDepth = mkVMOverride 0;
- services.xserver.resolutions = mkVMOverride [ { x = 1024; y = 768; } ];
+ services.xserver.resolutions = mkVMOverride [ cfg.resolution ];
services.xserver.monitorSection =
''
# Set a higher refresh rate so that resolutions > 800x600 work.