From 6a6625d58589e0b117a068121c2ae1b299967c1b Mon Sep 17 00:00:00 2001
From: chn <chn@chn.moe>
Date: Wed, 20 Dec 2023 11:28:31 +0800
Subject: [PATCH] system.kernel: port some change from xddxdd/nur-packages

---
 flake.nix                 |  2 +-
 modules/system/kernel.nix | 15 ++++++++++++++-
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/flake.nix b/flake.nix
index 2485a904..3a93199d 100644
--- a/flake.nix
+++ b/flake.nix
@@ -116,7 +116,7 @@
                 };
                 nixpkgs =
                   { march = "alderlake"; cuda = { enable = true; capabilities = [ "8.6" ]; forwardCompat = false; }; };
-                kernel.patches = [ "cjktty" ];
+                kernel.patches = [ "cjktty" "lantian" ];
                 impermanence.enable = true;
                 networking.hostname = "pc";
                 sysctl.laptop-mode = 5;
diff --git a/modules/system/kernel.nix b/modules/system/kernel.nix
index 3670e076..58f120c9 100644
--- a/modules/system/kernel.nix
+++ b/modules/system/kernel.nix
@@ -2,7 +2,7 @@ inputs:
 {
   options.nixos.system.kernel = let inherit (inputs.lib) mkOption types; in
   {
-    patches = mkOption { type = types.listOf (types.enum [ "cjktty" ]); default = []; };
+    patches = mkOption { type = types.listOf types.nonEmptyStr; default = []; };
     modules =
     {
       install = mkOption { type = types.listOf types.str; default = []; };
@@ -61,6 +61,19 @@ inputs:
               extraStructuredConfig =
                 { FONT_CJK_16x16 = inputs.lib.kernel.yes; FONT_CJK_32x32 = inputs.lib.kernel.yes; };
             };
+            lantian =
+            {
+              patch = null;
+              # pick from xddxdd/nur-packages dce93a
+              extraStructuredConfig = with inputs.lib.kernel;
+              {
+                ACPI_PCI_SLOT = yes;
+                ENERGY_MODEL = yes;
+                PARAVIRT_TIME_ACCOUNTING = yes;
+                PM_AUTOSLEEP = yes;
+                WQ_POWER_EFFICIENT_DEFAULT = yes;
+              };
+            };
           };
         in
           builtins.map (name: { inherit name; } // patches.${name}) kernel.patches;