https://bugs.freedesktop.org/show_bug.cgi?id=109246
--- Comment #4 from fin4478@hotmail.com --- Use the DVI connector then. The HDMI development has a low priority. Developers use the display port connector and it is computer oriented while HDMI is for consumer electronics. I did sold my HDMI only monitor because of this. The ASUS VP28UQG monitor is really nice and freesync works.