refactoring

modules/gpu-amd.nix

@@ -0,0 +1,64 @@
+# modules/gpu-amd.nix
+# AMD GPU configuration: drivers, Vulkan, VA-API hardware acceleration, CoreCtrl
+{ config, pkgs, lib, ... }:
+
+{
+  # Enable OpenGL/Vulkan
+  hardware.graphics = {
+    enable = true;
+    enable32Bit = true;  # For Steam and 32-bit games
+
+    extraPackages = with pkgs; [
+      # VA-API for hardware video acceleration
+      vaapiVdpau
+      libvdpau-va-gl
+
+      # AMD-specific
+      amdvlk              # AMD's official Vulkan driver (alternative to RADV)
+      rocmPackages.clr.icd  # OpenCL support
+    ];
+
+    extraPackages32 = with pkgs.driversi686Linux; [
+      # 32-bit VA-API support for older games
+      vaapiVdpau
+      libvdpau-va-gl
+      amdvlk
+    ];
+  };
+
+  # Use RADV (Mesa) as default Vulkan driver - generally better for gaming
+  # AMDVLK is available as fallback via VK_ICD_FILENAMES
+  environment.variables = {
+    AMD_VULKAN_ICD = "RADV";  # Use RADV by default
+  };
+
+  # CoreCtrl for fan curves, overclocking, and GPU monitoring
+  programs.corectrl = {
+    enable = true;
+    gpuOverclock.enable = true;  # Enable overclocking capabilities
+  };
+
+  # Add user to corectrl group for full access without password
+  users.users.pinj.extraGroups = [ "corectrl" ];
+
+  # Kernel parameters for AMD GPU
+  boot.kernelParams = [
+    # Enable all power management features
+    "amdgpu.ppfeaturemask=0xffffffff"
+  ];
+
+  # GPU monitoring tools
+  environment.systemPackages = with pkgs; [
+    # Monitoring
+    radeontop           # AMD GPU monitoring (like nvidia-smi)
+    nvtopPackages.amd   # Modern GPU monitor with AMD support
+
+    # Vulkan tools
+    vulkan-tools        # vulkaninfo, etc.
+    vulkan-loader
+
+    # Video acceleration verification
+    libva-utils         # vainfo - verify VA-API
+    vdpauinfo           # Verify VDPAU
+  ];
+}