You can override this on the kernel command line with something like drm.edid_firmware=edid/1024x768.bin but I don't know a way to say "don't use a resolution higher than 1080p please".
You can override this on the kernel command line with something like drm.edid_ firmware= edid/1024x768. bin but I don't know a way to say "don't use a resolution higher than 1080p please".