[Bug 55500] [sna gen4] corrupt rendering (and flickering on redraw)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=55500

--- Comment #98 from Zdenek Kabelac <zdenek.kabelac at gmail.com> ---
Well I should wait a while before posting a comment about magic value 6.

I'm now observing flickering with value 6 as well.

So yeah - it's more or less time related - and it takes more or less time until
the problem becomes visible.

Also is there explanation with the max value 64  starts to make problems with
text rendering in gnome terminal ?

i.e. I'd have expected if there would be a large press on GPU - but in this
case it just appear random pixel start to be drawn instead of some letter -
maybe some font cache corruption ?

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