OpenGL renderer string: AMD BONAIRE (DRM 2.50.0 / 4.13.13, LLVM 6.0.0)
OpenGL core profile version string: 3.3 Mesa 17.4.0-devel (git-4b0dc098b2)

Now that Fedora has upgraded to libdrm-2.4.88, I have discovered that World of
Warcraft now has huge screen corruption with Mesa-git. A git bisect has
identified this commit as the culprit:

4b0dc098b2561c07c59f7dab2813640a25789bf1 is the first bad commit
commit 4b0dc098b2561c07c59f7dab2813640a25789bf1
Author: Marek Olšák <marek.olsak@amd.com>
Date:   Thu Nov 2 00:00:53 2017 +0100

    gallium/u_threaded: don't map big VRAM buffers for the first upload
directly

    This improves Paraview "many spheres" performance 4x along with the
radeonsi
    commit.

    Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>

:040000 040000 7b3cd35a0bc5923f724cfb9d936f7a88ea808c8a
300c7a5176280a410796121ac66c04a3b39b9bc9 M      src

WoW continues to run, but UI elements in particular disappear and are replaced
with scribbles across the screen, which itself flickers and flashes.