In order to prevent an unnecessary modeswitch and use the current TTY resolution, don't use the preferred mode reported by DRM. This is useful for people who set a custom resolution at boot and are forced into the monitor's preferred resolution when a SFML DRM app starts
Ported sfml-pi DRM/KMS backend written by @mickelson
Port co-authored by @substring
Co-authored-by: Andrew Mickelson <andrew.mickelson@gmail.com>
Co-authored-by: Gil Delescluse <frog2wah@gmail.com>