[Bug 107356] [kbl] [drm] GPU hang in Antutu 7.x games with 4.14.52 kernel

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107356

--- Comment #9 from Tapani Pälli <lemody at gmail.com> ---
Based on the investigations on error_state it seems that somehow we possibly
end up violating following rule from PRM:

"The 3DSTATE_CONSTANT_VS must be reprogrammed prior to the next 3DPRIMITIVE
command after programming the 3DSTATE_PUSH_CONSTANT_ALLOC_VS"

In some cases it seems we do ALLOC and then 3DPRIMITIVE without programming
constant state first.

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