[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 #108 from Zdenek Kabelac <zdenek.kabelac at gmail.com> ---
(In reply to comment #107)
> The quick answer is that if ever see it with MAX_FLUSH_VERTICES set to 1,
> then it is a different issue. Please do be aware that all current kernels
> since 3.7 do have a coherency issue, the fix will not arrive before 3.10.1
> (outside of drm-intel trees).

Could you please commit here the link to the needed kernel commit so I could
check if it's fixing issue for me?

Also it's then easier to see which upstream vanilla kernel will have it.

And also it will be good to remove the low triangle limitation.

Yes memory coherency seems like very good explanation for problems I'm seeing.

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