fix: hyprland with nvidia

home/linux/gui/hyprland/options/nvidia.nix

@@ -14,12 +14,13 @@ in {
     wayland.windowManager.hyprland.settings.env = [
       # for hyprland with nvidia gpu, ref https://wiki.hyprland.org/Nvidia/
       "LIBVA_DRIVER_NAME,nvidia"
-      "XDG_SESSION_TYPE,wayland"
-      "GBM_BACKEND,nvidia-drm"
-      "AQ_DRM_DEVICES,/dev/dri/card1"
       "__GLX_VENDOR_LIBRARY_NAME,nvidia"
-      # fix https://github.com/hyprwm/Hyprland/issues/1520
+      # enable native Wayland support for most Electron apps
-      "WLR_NO_HARDWARE_CURSORS,1"
+      "ELECTRON_OZONE_PLATFORM_HINT,auto"
+      # VA-API hardware video acceleration
+      "NVD_BACKEND,direct"
+
+      "GBM_BACKEND,nvidia-drm"
     ];
   };
 }

home/linux/gui/hyprland/values/hyprland.nix

@@ -64,6 +64,7 @@ in {
         "QT_QPA_PLATFORM,wayland"
         "SDL_VIDEODRIVER,wayland"
         "GDK_BACKEND,wayland"
+        "XDG_SESSION_TYPE,wayland"
       ];
     };
     # gammastep/wallpaper-switcher need this to be enabled.

hosts/idols-ai/hardware-configuration.nix

@@ -18,8 +18,8 @@
   boot.loader.efi.efiSysMountPoint = "/boot";
   boot.loader.systemd-boot.enable = true;
 
-  # boot.kernelPackages = pkgs.linuxPackages_latest;
+  boot.kernelPackages = pkgs.linuxPackages_latest;
-  boot.kernelPackages = pkgs.linuxPackages_xanmod_latest;
+  # boot.kernelPackages = pkgs.linuxPackages_xanmod_latest;
 
   boot.initrd.availableKernelModules = ["xhci_pci" "ahci" "nvme" "usbhid" "usb_storage" "sd_mod"];
   boot.initrd.kernelModules = [];

hosts/idols-ai/nvidia.nix

@@ -1,21 +1,22 @@
-{pkgs-unstable, ...}: {
+{config, ...}: {
   # ===============================================================================================
   # for Nvidia GPU
+  # https://wiki.nixos.org/wiki/NVIDIA
+  # https://wiki.hyprland.org/Nvidia/
   # ===============================================================================================
 
-  # https://wiki.hyprland.org/Nvidia/
   boot.kernelParams = [
-    "nvidia.NVreg_PreserveVideoMemoryAllocations=1"
     # Since NVIDIA does not load kernel mode setting by default,
     # enabling it is required to make Wayland compositors function properly.
     "nvidia-drm.fbdev=1"
   ];
   services.xserver.videoDrivers = ["nvidia"]; # will install nvidia-vaapi-driver by default
   hardware.nvidia = {
-    open = false;
+    # Open-source kernel modules are preferred over and planned to steadily replace proprietary modules
+    open = true;
     # Optionally, you may need to select the appropriate driver version for your specific GPU.
     # https://github.com/NixOS/nixpkgs/blob/nixos-unstable/pkgs/os-specific/linux/nvidia-x11/default.nix
-    # package = config.boot.kernelPackages.nvidiaPackages.stable;
+    package = config.boot.kernelPackages.nvidiaPackages.beta;
 
     # required by most wayland compositors!
     modesetting.enable = true;
@@ -28,18 +29,9 @@
     # needed by nvidia-docker
     enable32Bit = true;
   };
-  # disable cudasupport before this issue get fixed:
-  # https://github.com/NixOS/nixpkgs/issues/338315
-  nixpkgs.config.cudaSupport = false;
 
   nixpkgs.overlays = [
     (_: super: {
-      blender = super.blender.override {
-        # https://nixos.org/manual/nixpkgs/unstable/#opt-cudaSupport
-        cudaSupport = true;
-        waylandSupport = true;
-      };
-
       # ffmpeg-full = super.ffmpeg-full.override {
       #   withNvcodec = true;
       # };