Fix display lag on Khanda

flake.lock

@@ -150,11 +150,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1715348159,
-        "narHash": "sha256-nP0PJZ3dR0ols1V+w+sYBki7JlSRFvFJ8J8B00Oa7BM=",
+        "lastModified": 1715486357,
+        "narHash": "sha256-4pRuzsHZOW5W4CsXI9uhKtiJeQSUoe1d2M9mWU98HC4=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "223743313bab8b0b44a57eaf9573de9f69082b4d",
+        "rev": "44677a1c96810a8e8c4ffaeaad10c842402647c1",
         "type": "github"
       },
       "original": {
@@ -218,11 +218,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1715278311,
-        "narHash": "sha256-Z787hdZuwBhQCQOeOmln5j9cCKxDWql7tbF1ukKDFZU=",
+        "lastModified": 1715442723,
+        "narHash": "sha256-pXMH7lqr5bT2FjH/3tEdTT/+1+hKx+15WkcGKycWWSM=",
         "ref": "refs/heads/main",
-        "rev": "c8ab1e79ba0140bc75731c75177242089506260b",
-        "revCount": 75,
+        "rev": "87b7b7e4bd936301b139e472589d1966b136f45f",
+        "revCount": 76,
         "type": "git",
         "url": "https://git.lix.systems/lix-project/nixos-module"
       },
@@ -296,11 +296,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1715266358,
-        "narHash": "sha256-doPgfj+7FFe9rfzWo1siAV2mVCasW+Bh8I1cToAXEE4=",
+        "lastModified": 1715447595,
+        "narHash": "sha256-VsVAUQOj/cS1LCOmMjAGeRksXIAdPnFIjCQ0XLkCsT0=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "f1010e0469db743d14519a1efd37e23f8513d714",
+        "rev": "062ca2a9370a27a35c524dc82d540e6e9824b652",
         "type": "github"
       },
       "original": {

hosts/Khanda/hardware-configuration.nix

@@ -66,6 +66,8 @@
       "pinctrl_tigerlake"
     ];
     extraModulePackages = [ ];
+
+    kernelParams = [ "i915.enable_psr=0" ]; # Disable Intel Panel Self Refresh to reduce lag and hiccups
   };
 
   fileSystems = {