Linux 7.4 enables HDMI 2.1 by default for AMD GPUs with FreeSync, VRR and ALLM

After years of the HDMI Forum blocking the open-source driver, the FreeSync, VRR and ALLM patches for AMDGPU are aligned for Linux 7.4, with Fixed Rate Link enabled by default. Gamers and Steam Machine owners with an AMD GPU and an HDMI 2.1 display finally get the full bandwidth and lower latency on the mainline kernel.