From e7f0fe6e0e1377b41fb96066b778a8aaee5c89ae Mon Sep 17 00:00:00 2001
From: Andre <andre@8bitbuddhism.com>
Date: Mon, 2 Sep 2024 15:11:27 -0400
Subject: [PATCH] Khanda: disable IOMMU (test); re-enable Syncthing Tray (also
 a test)

---
 hosts/Khanda/default.nix                | 2 +-
 hosts/Khanda/hardware-configuration.nix | 5 ++++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/hosts/Khanda/default.nix b/hosts/Khanda/default.nix
index e8410f4..2bcc29f 100644
--- a/hosts/Khanda/default.nix
+++ b/hosts/Khanda/default.nix
@@ -84,7 +84,7 @@ in
         syncthing = {
           enable = true;
           autostart = true;
-          enableTray = false;
+          enableTray = true;
         };
       };
     };
diff --git a/hosts/Khanda/hardware-configuration.nix b/hosts/Khanda/hardware-configuration.nix
index 6e71255..960c135 100644
--- a/hosts/Khanda/hardware-configuration.nix
+++ b/hosts/Khanda/hardware-configuration.nix
@@ -75,7 +75,10 @@ in
       "pinctrl_tigerlake"
     ];
 
-    kernelParams = [ "pci=hpiosize=0" ]; # Prevent ACPI interrupt storm. See https://github.com/linux-surface/linux-surface/wiki/Surface-Pro-9#acpi-interrupt-storm
+    kernelParams = [
+      "pci=hpiosize=0"  # Prevent ACPI interrupt storm. See https://github.com/linux-surface/linux-surface/wiki/Surface-Pro-9#acpi-interrupt-storm
+      "iommu=off" # Disable IOMMU, a possible cause of system stuttering
+      ];
   };
 
   # Configure the main filesystem.