cfg_use efi EFI
use efi && {
	KERNEL_CONFIG+=' &FAT_FS &VFAT_FS &NLS_CODEPAGE_437 &NLS_ISO8859_1'

	# embed DRM_SIMPLEDRM if X and no video cards confugured
	ii=video_cards_none
	(use X || use dri) && for ii in $IUSE efi; do
		[[ "$ii" == video_cards_* ]] && use "$ii" && break
	done
	[[ "$ii" == video_cards_* ]] ||
	    KERNEL_CONFIG+=' DRM_SIMPLEDRM==!m;&DRM DRM_SIMPLEDRM==!m;DRM   &DRM_SIMPLEDRM DRM_SIMPLEDRM'
}