diff --git a/configurations/host/materusPC/hardware/boot.nix b/configurations/host/materusPC/hardware/boot.nix
index c015eeb..1c8072b 100644
--- a/configurations/host/materusPC/hardware/boot.nix
+++ b/configurations/host/materusPC/hardware/boot.nix
@@ -17,7 +17,7 @@ in
 {
   #Kernel
   boot.kernelPackages = pkgs.linuxPackages_zen;
-  boot.kernelParams = [ /*"pci-stub.ids=1002:744c"*/ "nox2apic" "nvme_core.default_ps_max_latency_us=0" "nvme_core.io_timeout=255" "nvme_core.max_retries=10" "nvme_core.shutdown_timeout=10" "amd_iommu=on" "iommu=pt"] ++ video;
+  boot.kernelParams = [ "pcie_acs_override=downstream,multifunction" /*"pci-stub.ids=1002:744c"*/ "nox2apic" "nvme_core.default_ps_max_latency_us=0" "nvme_core.io_timeout=255" "nvme_core.max_retries=10" "nvme_core.shutdown_timeout=10" "amd_iommu=on" "iommu=pt"] ++ video;
   boot.kernelModules = [ "pci-stub" "amdgpu" "i2c_dev" "kvm_amd" "vfio" "vfio_iommu_type1" "vfio-pci" "v4l2loopback" ];
   boot.extraModprobeConfig = ''
   options kvm_amd nested=1 avic=1 npt=1
diff --git a/configurations/host/materusPC/hardware/default.nix b/configurations/host/materusPC/hardware/default.nix
index 5c0e9c2..3cee4c7 100644
--- a/configurations/host/materusPC/hardware/default.nix
+++ b/configurations/host/materusPC/hardware/default.nix
@@ -19,6 +19,7 @@
     VK_ICD_FILENAMES = "${pkgs.mesa.drivers}/share/vulkan/icd.d/radeon_icd.x86_64.json:${pkgs.driversi686Linux.mesa.drivers}/share/vulkan/icd.d/radeon_icd.i686.json";
     AMD_VULKAN_ICD = "RADV";
     RADV_PERFTEST = "gpl,rt,sam";
+    OCL_ICD_VENDORS = "${pkgs.rocmPackages.clr.icd}/etc/OpenCL/vendors/";
   };
   hardware.cpu.amd.updateMicrocode = lib.mkForce true;
 
diff --git a/configurations/host/materusPC/tmp.nix b/configurations/host/materusPC/tmp.nix
index 9e0a937..62e9427 100644
--- a/configurations/host/materusPC/tmp.nix
+++ b/configurations/host/materusPC/tmp.nix
@@ -217,6 +217,8 @@
     config.programs.java.package
 
     nss_latest
+    
+    pciutils
 
     aspell
     aspellDicts.pl
@@ -249,7 +251,7 @@
 
     # pgcli
     # litecli
-
+    materusPkgs.alvr
     #zenmonitor
 
     nix-du
diff --git a/configurations/profile/os/games/steam.nix b/configurations/profile/os/games/steam.nix
index 02f7fca..920bd0f 100644
--- a/configurations/profile/os/games/steam.nix
+++ b/configurations/profile/os/games/steam.nix
@@ -25,7 +25,6 @@ let
     extraPkgs = pkgs: [
       #config.materus.profile.packages.firefox
       optHip #for blender
-
       pkgs.libdecor
       pkgs.obs-studio-plugins.obs-vkcapture
       pkgs.steamcmd