[igt-dev] [PATCH igt] tests/kms_frontbuffer_tracking: increase FBC wait timeout to 5s

[Chris Wilson]

Quoting Paulo Zanoni (2018-03-21 00:29:45)
> From: "Lofstedt, Marta" <marta.lofstedt at intel.com>
> 
> This is a partial revert of:
> 64590c7b768dc8d8dd962f812d5ff5a39e7e8b54 ("kms_frontbuffer_tracking:
> reduce the FBC wait timeout to 2s")
> 
> The subtests: igt at kms_frontbuffer_tracking@fbc-*draw* have
> non-consistent results, pending between fail and pass. The fails are
> always due to "FBC disabled".  With this increase in timeout the
> flip-flop behavior is no longer reproducible.

We haven't seen this behaviour for a few months, afaict. Currently we
have FBC perma-disabled due to bad mode, underruns and whatnot, and
flip flops from CRC mismatches. But no FBC timeouts waiting for enable.
-Chris