Re: [PATCH i-g-t] tests/kms_frontbuffer_tracking: increase FBC wait timeout to 5s

[Paulo Zanoni <paulo.r.zanoni@intel.com>]

Em Sex, 2017-08-04 às 09:47 +0000, Lofstedt, Marta escreveu:
> +Paolo
> 
> > -----Original Message-----
> > From: Lofstedt, Marta
> > Sent: Wednesday, June 28, 2017 2:17 PM
> > To: intel-gfx@lists.freedesktop.org
> > Cc: Latvala, Petri <petri.latvala@intel.com>; Lofstedt, Marta
> > <marta.lofstedt@intel.com>
> > Subject: [PATCH i-g-t] tests/kms_frontbuffer_tracking: increase FBC
> > wait
> > timeout to 5s
> > 
> > The subtests: igt@kms_frontbuffer_tracking@fbc-*draw*
> > has 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.

This is a partial revert of:

64590c7b768dc8d8dd962f812d5ff5a39e7e8b54
    kms_frontbuffer_tracking: reduce the FBC wait timeout to 2s

(but there's no need to make it a full revert if you don't need)

It would be nice to investigate why we're needing 5 seconds instead of
2 now, the document it in the commit message. Also document that this
is a partial revert.

Acked-by: Paulo Zanoni <paulo.r.zanoni@intel.com>

> > 
> > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=101623
> > Signed-off-by: Marta Lofstedt <marta.lofstedt@intel.com>
> > ---
> >  tests/kms_frontbuffer_tracking.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/tests/kms_frontbuffer_tracking.c
> > b/tests/kms_frontbuffer_tracking.c
> > index c24e4a81..8bec5d5a 100644
> > --- a/tests/kms_frontbuffer_tracking.c
> > +++ b/tests/kms_frontbuffer_tracking.c
> > @@ -923,7 +923,7 @@ static bool fbc_stride_not_supported(void)
> > 
> >  static bool fbc_wait_until_enabled(void)  {
> > -	return igt_wait(fbc_is_enabled(), 2000, 1);
> > +	return igt_wait(fbc_is_enabled(), 5000, 1);
> >  }
> > 
> >  static bool psr_wait_until_enabled(void)
> > --
> > 2.11.0
> 
> 
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