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