integrate htpc and associated configuration

modules/sys/hw/boot.nix

@@ -1,6 +1,11 @@
 { pkgs, ... }:
 
 {
+  boot.kernelParams = [
+    "split_lock_detect=off"
+    "scsi_mod.use_blk_mq=1"
+    "transparent_hugepage=madvise"  # CachyOS default
+  ];
   boot.loader.limine.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;
   boot.extraModulePackages = [ ];

modules/sys/hw/cpu/amd64.nix

@@ -1,6 +1,7 @@
 { pkgs, ... }:
 
 {
+  hardware.cpu.amd.updateMicrocode = true;
   boot.kernelPackages = pkgs.linuxPackages_xanmod_latest;
   boot.binfmt.preferStaticEmulators = true;
   boot.binfmt.emulatedSystems = [ "aarch64-linux" "x86_64-windows" ];

modules/sys/hw/cpu/intel.nix

@@ -1,6 +1,7 @@
 { pkgs, ... }:
 
 {
+  hardware.cpu.intel.updateMicrocode = true;
   boot.kernelPackages = pkgs.linuxPackages_xanmod_latest;
   boot.binfmt.preferStaticEmulators = true;
   boot.binfmt.emulatedSystems = [ "aarch64-linux" "x86_64-windows" ];

modules/sys/hw/gpu/amd.nix

@@ -1,3 +1,12 @@
+{ pkgs, ... }:
 {
-    
+  # Graphics
+  hardware.enableRedistributableFirmware = true;
+  hardware.graphics = {
+    enable = true;
+    enable32Bit = true;
+    extraPackages = with pkgs; [
+      vkbasalt
+    ];
+  };
 }

modules/sys/hw/gpu/intel.nix

@@ -14,7 +14,8 @@
       # Optional (compute / tooling):
       intel-compute-runtime  # OpenCL (NEO) + Level Zero for Arc/Xe
       # NOTE: 'intel-ocl' also exists as a legacy package; not recommended for Arc/Xe.
-      # libvdpau-va-gl       # Only if you must run VDPAU-only apps
+      libvdpau-va-gl       # Only if you must run VDPAU-only apps
+      vkbasalt
     ];
   };
 }