Zhiyi Zhang (@zhiyi) commented about dlls/winex11.drv/display.c:
for (display_idx = 0; display_idx < display_count; ++display_idx) {
if (!is_detached_mode(&displays[display_idx].desired_mode))
const DEVMODEW *mode = &displays[display_idx].mode;
if (!is_detached_mode(mode))
Same here.