Right, I completely forgot about the move to a generic modesetting Xorg driver.
I removed the xorg-x11-drv-amdgpu package and besides my screens switching
around everything still works fine.
Thanks for clarifying this.
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devel mailing list --
Amdgpu has been available since Fedora 24 but the Xorg driver is (still) not
installed by default on Fedora 25 nor on Rawhide, yet AFAIK it is required to
do anything meaningful with the newer AMD cards.
Looking at Rawhide's mesa-vulkan-drivers shows that it now provides the radeon
vulkan
