[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 #14 from Larry <5lokuf+c77xmvwa3y1jk at sharklasers.com> ---
> I wonder if it's a tile mode array problem?  Looking at the code for 
> radeon/si.c and amdgpu/gfx_v6_0.c the array configs are different (entries 
> 18-20 don't exist in the radeon side).  Briefly looking at a few other entries
> though they seem to line up textually (assuming the defines map to the same
> values).

There *is* a "tiled" effect to the corrupted graphics sometimes (see for
example the weston shot attached to bug), so maybe.

But as I mentioned the same problems exist in both drivers and it that makes it
 seem unlikely that a comparison of the two would highlight bugs common to
both. 

That said, I'm glad to test any branch or solid suggestion and report back. 
What do you think?

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