This is libdrm 2.4.8x compiled against stock system devels
Copy text below into /etc/yum.repos.d/_copr_vomaraz-libdrm.repo do the same with mesa17.1.x instruations after both are done do "dnf update"
This is a companion discussion topic for the original entry at https://copr.fedorainfracloud.org/coprs/vomaraz/libdrm/