1What: /sys/class/drm/.../boot_display 2Date: January 2026 3Contact: Linux DRI developers <dri-devel@vger.kernel.org> 4Description: 5 This file indicates that displays connected to the device were 6 used to display the boot sequence. If a display connected to 7 the device was used to display the boot sequence the file will 8 be present and contain "1". 9