diff options
| -rw-r--r-- | modules/hardware/t100ha/default.nix | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/modules/hardware/t100ha/default.nix b/modules/hardware/t100ha/default.nix index 303c56ab..87f5011d 100644 --- a/modules/hardware/t100ha/default.nix +++ b/modules/hardware/t100ha/default.nix @@ -114,9 +114,18 @@ in { # # I know this is very ugly, but another mitigation would be to disable power # management entirely, which I think is even uglier. - services.xserver.displayManager.sessionCommands = '' - ${pkgs.xorg.xset}/bin/xset dpms force standby - ${pkgs.xorg.xset}/bin/xset dpms force on + boot.initrd.preDeviceCommands = "fix-vblank"; + boot.initrd.extraUtilsCommands = '' + cc -Wall -o "$out/bin/fix-vblank" "${pkgs.writeText "fix-vblank.c" '' + #include <sys/ioctl.h> + + int main(void) { + char cmd = 14; + ioctl(0, TIOCLINUX, &cmd); + cmd = 4; + ioctl(0, TIOCLINUX, &cmd); + } + ''}" ''; }; } |