The past two years AMD’s AMDGPU Linux kernel driver has supported Seamless Boot on Van Gogh APUs notably used by Valve’s Steam Deck. AMD Seamless Boot is for a seamless or flicker-free boot experience by aiming to avoid redundant/unnecessary mode-sets by the driver. After a few years being limited in its scope of supported hardware, new patches are aiming to open up Seamless Boot usage to more AMD Radeon graphics hardware…
Source: Phoronix – AMD To Enable Seamless Boot Across Modern Radeon Graphics Hardware