diff --git a/systems/x86_64-linux/zaphod/bootloader.nix b/systems/x86_64-linux/zaphod/bootloader.nix
index 28e49112..d45844ea 100644
--- a/systems/x86_64-linux/zaphod/bootloader.nix
+++ b/systems/x86_64-linux/zaphod/bootloader.nix
@@ -8,6 +8,9 @@ let
 in
 {
   boot = {
+    kernelParams = [
+      "amdgpu.dcdebugmask=0x410"
+    ];
     bootspec.enable = true;
     kernelPackages = pkgs.linuxPackages_latest;
     extraModulePackages = with pkgs.linuxPackages_latest; [ v4l2loopback ];