I have tried to look through archives but couldn't find answer where I should look for userspace components (libdrm, mesa) for the etnaviv drm driver?

At the moment I have kernel 4.1-rc6 running with these [1] imx-drm patches on riotBoard with custom lvds display, display is working fine, but only with SW rendering.
dmesg shows that etnaviv-gpu has found GC320 and GC880 units.

[1] http://www.home.arm.linux.org.uk/~rmk/cubox/hummingboard-cubox-i-v4.1-rc1-20150602/

Br,
 - Kimmo S.