[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 #57 from Till Matthiesen <high.entropy at web.de> ---
(In reply to comment #56)
> The bug that I'm presuming underlies all of these gen4 corruption issues is
> a misprogramming of GPU state - I have seen the flicker persist for a few
> kernels now and would not expect it to be a factor. (Except that there may
> be an eventual w/a required in the kernel, we have not applied one recently.)

I see. 

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