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-rw-r--r--nixos/modules/system/boot/kernel.nix7
1 files changed, 6 insertions, 1 deletions
diff --git a/nixos/modules/system/boot/kernel.nix b/nixos/modules/system/boot/kernel.nix
index 6edb9082e75..c247f334c23 100644
--- a/nixos/modules/system/boot/kernel.nix
+++ b/nixos/modules/system/boot/kernel.nix
@@ -101,7 +101,12 @@ in
       type = types.bool;
       default = false;
       description = ''
-        Whether to activate VESA video mode on boot.
+        (Deprecated) This option, if set, activates the VESA 800x600 video
+        mode on boot and disables kernel modesetting. It is equivalent to
+        specifying <literal>[ "vga=0x317" "nomodeset" ]</literal> in the
+        <option>boot.kernelParams</option> option. This option is
+        deprecated as of 2020: Xorg now works better with modesetting, and
+        you might want a different VESA vga setting, anyway.
       '';
     };