[Bug 99120] VERDE 7770 - glxdemo, vlc/glx, weston fail with garbled screen. Elsewhere blurry text rendering when focus lost

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99120

--- Comment #11 from Larry <5lokuf+c77xmvwa3y1jk at sharklasers.com> ---
Switching to the latest amdgpu driver (drm-next-4.10 branch on ~agd5f/linux)
and using the current fc25 xorg-amdgpu server and mesa (13.0.2) still exhibits
all the issues described. The commit (f8d9422ef80c512611228449) is just a few
days old, with ongoing work on experimental support for Verde (gcn 1.0) in
amdgpu.

X did come up without a hitch, which makes me doubt whether future work on
amdgpu is likely to address these issues.

What I know so far is that:
glxgears works.
glxdemo doesn't work, but weston (which uses egl) doesn't either.
the problem manifests on both the radeonsi driver and the amdgpu driver.

are those data points sufficient to at least triangulate the problem to a
specific component in the stack?

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