Hi! I've run my Eyefinity PLP setup on my HD7970 and Fury X for many years. I recently purchased an ASRock 7800xt, and the EyefinityPro.exe program tells me that it's not supported.
I use a 32" 2560x1440 center with a 24" 1920x1200 in portrait on either side, using Active DP-DVI adapters. All displays in Landscape m de works fine, but doesn't line up. Once i switch the sides to Portrait, it's a no-go
Hopefully this is planned in future driver updates? I've been spoiled by super wide gaming, and it'd be pretty lame if i had to spend the money on a 32;9 display...