[Bug 103556] [SKL] Unigine Heaven 4.0 fails to GPU hangs

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103556

--- Comment #21 from Lionel Landwerlin <lionel.g.landwerlin at linux.intel.com> ---
(In reply to Eero Tamminen from comment #18)
> (In reply to Lionel Landwerlin from comment #17)
> > No quite sure how to read you comment.
> > You still to still get a hang even with that patch?
> 
> No, that was with the normal upstream component testing which doesn't patch
> anything (any applied patches would get soon stale and fail automated
> builds), to see whether minor gfx stack differences affect the hangs (and
> they didn't).
> 
> 
> > This last error state is really interesting.
> 
> I added it so that you can check whether additional hangs (with latest,
> unpatched Mesa) are also for the same reason.
> 
> 
> > The first draw call in there
> > doesn't have 3DSTATE_TE programmed. This patch should have fixed that.
> > If this happened with the patch, it means something else is wrong.
> 
> With the patch I wasn't able to reproduce hangs (within 21 rounds, whereas
> unpatched tests got one hang within 12 rounds, so it looks good).

Thanks a bunch, I'll submit upstream for review.

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