With Linux 7.4 the AMDGPU driver enables HDMI 2.1 FRL functionality by default for driving higher refresh rate and higher resolution displays. That default enabling comes as HDMI FreeSync/VRR and ALLM features are also in place for Linux 7.4. Now coming by way of fixes for Linux 7.4 is also improving the Fixed Rate Link support with the newer HDMI 2.2 specification...