[Bug 98036] [BYT] constant screen flicker and rendering errors [regression]

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=98036

--- Comment #10 from Eero Tamminen <eero.t.tamminen at intel.com> ---
Chris, what about this issue, can you reproduce it?

(In reply to Eero Tamminen from comment #4)
> * Most SynMark tests are rendered wrong: screeen is divided to
> (approximately) 128 pixel high stripes which have different offsets

This particular issue doesn't happen on BYT with recent
bbb625b5b79bdbdefd87e68e15edaa120fe70d4f drm-intel-nightly kernel.

Even with that kernel version, rendering issue still happens on BSW.  On BSW,
rendering issue happens *only* in SynMark v7 Terrain tests, not any other tests
(including SynMark v6 terrain tests).  I assume issue started at same time on
BSW as on BYT (same patch series as flickering), although on BSW it doesn't
manifest on other tests that it's visible on BYT.

So far I haven't seen this particular rendering issue on any other machine.

(BYT flickering wasn't affected, it's still as bad.  There's no flickering on
BSW.)

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