peach: make boot logos seamless

system/hosts/peach/default.nix

@@ -2,6 +2,7 @@
   config,
   pkgs,
   lib,
+  seamless-asahi-plymouth,
   ...
 }:
 let
@@ -13,10 +14,42 @@ let
   };
 in
 {
+
+  nixpkgs.overlays = [
+    (final: prev: {
+      uboot-asahi = prev.uboot-asahi.overrideAttrs (old: {
+        postConfigure = (old.postConfigure or "") + ''
+          cat >> .config <<'EOF'
+          # CONFIG_VIDEO_LOGO is not set
+          CONFIG_BOOTDELAY=0
+          CONFIG_SILENT_CONSOLE=y
+          CONFIG_PREBOOT="setenv silent 1"
+          EOF
+
+          # Regenerate the configuration with new flags
+          make olddefconfig
+        '';
+      });
+    })
+  ];
+
   boot = {
     kernelParams = [ "appledrm.show_notch=1" ];
+    # thank you to u/douv:
+    # https://www.reddit.com/r/AsahiLinux/comments/1sb8cby/retro_boot_logo/
     m1n1CustomLogo = "${asahi-artwork}/logos/png_256/AsahiLinux_logomark.png";
-    plymouth.logo = lib.mkForce "${asahi-artwork}/logos/png_64/AsahiLinux_logomark.png";
+    plymouth = {
+      enable = true;
+      theme = "seamless-asahi";
+      themePackages = [
+        (seamless-asahi-plymouth.packages.${pkgs.system}.default.override {
+          logo = "${asahi-artwork}/logos/png_64/AsahiLinux_logomark.png";
+        })
+      ];
+      extraConfig = ''
+        DeviceScale=1
+      '';
+    };
   };
 
   programs.dconf.profiles.gdm.databases = [