From 20affab9499f8df6a9648df496d3d4c65c734bbf Mon Sep 17 00:00:00 2001
From: "Thomas G. Lopes" <thomasgl@pm.me>
Date: Fri, 13 Mar 2026 12:26:43 +0000
Subject: [PATCH] edid

---
 modules/assets/edid/g80.bin | Bin 0 -> 384 bytes
 modules/hosts/nixos.nix     |   8 ++++++++
 2 files changed, 8 insertions(+)
 create mode 100644 modules/assets/edid/g80.bin

diff --git a/modules/assets/edid/g80.bin b/modules/assets/edid/g80.bin
new file mode 100644
index 0000000000000000000000000000000000000000..0e8548def48129e2552f93855cf07d593eaa64ed
GIT binary patch
literal 384
zcmZSh4+abfz{s+}L4`pcA)tDmq0qnaKqEtA!&HWq2R1WYJm7nQVZnz2y9NUVQ-%XF
zMhpy6K;?gV3_kq-|B8`I0Stg5e;8a+(-KQ_N+3c&5dnm;AQqDe6SI|rdt$tRJqvT0
zGABEGGb01TW7fkA&)8TQ6TF$9GIqC2uq*)@&&+P{fnh-clQ+``h#6sV3=0-4&<p^%
zp&>&N=!X15Adyfc5hkk!i9!oqhX@^4h6j9t3=DFp_A~GnC{!{qC^3lapQ6n0pKm^c
seuF$iJ_ipY69Wr_7K0Guf4+Q<_l*BJ=d-?NtY<f8d5>lQW!zm80EWX!0RR91

literal 0
HcmV?d00001

diff --git a/modules/hosts/nixos.nix b/modules/hosts/nixos.nix
index 71b6113..ee279db 100644
--- a/modules/hosts/nixos.nix
+++ b/modules/hosts/nixos.nix
@@ -16,6 +16,14 @@
     # Use latest kernel
     boot.kernelPackages = pkgs.linuxPackages_latest;
 
+    # Custom EDID override for Samsung 240Hz on DP-1
+    boot.kernelParams = ["drm.edid_firmware=DP-1:edid/g80.bin"];
+    hardware.firmware = [
+      (pkgs.runCommandNoCC "g80-edid-firmware" {} ''
+        install -Dm444 ${../assets/edid/g80.bin} $out/lib/firmware/edid/g80.bin
+      '')
+    ];
+
     # Hostname
     networking.hostName = "nixos";