Created attachment 15306 [details] Here is my Xorg log TMDSASet throws an error upon startup as well when switching to console (EE) RADEONHD(0): TMDSAVoltageControl: unhandled chipset: 0x7145
Created attachment 15307 [details] Here is my conntest output
Created attachment 15308 [details] Here is the BIOS
Added macro control for M54 to table. Will push soon.
Pushed. Thanks for the report and the BIOS image!
Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.