Re: [PATCH i-g-t] tests: Add kms_plane_blinker

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On Thu, Dec 15, 2016 at 06:42:08PM +0200, Ville Syrjälä wrote:
> On Thu, Dec 15, 2016 at 04:41:51PM +0100, Maarten Lankhorst wrote:
> > Op 15-12-16 om 16:36 schreef Ville Syrjälä:
> > > On Thu, Dec 15, 2016 at 04:28:52PM +0100, Maarten Lankhorst wrote:
> > >> Op 15-12-16 om 16:23 schreef Ville Syrjälä:
> > >>> On Thu, Dec 15, 2016 at 04:17:45PM +0100, Maarten Lankhorst wrote:
> > >>>> Op 12-12-16 om 21:35 schreef ville.syrjala@xxxxxxxxxxxxxxx:
> > >>>>> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> > >>>>>
> > >>>>> Add a test to try out all the different plane enable/disable
> > >>>>> order permutations.
> > >>>>>
> > >>>>> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> > >>>> Didn't look through the test, but sounds like
> > >>>>
> > >>>> kms_atomic_transitions.plane-*-transition-* ?
> > >>>>
> > >>>> Although that one tests a few more edge cases like modeset disable and nonblocking updates..
> > >>> I don't immediately see where it would try all the permutations, nor can
> > >>> I see any crc_nonblock() stuff so doesn't seem like it could even spot
> > >>> transient errors.
> > >>>
> > >> I haven't done any crc test there yet, but the double loop in run_transition_test handles all combinations of planes.
> > > permutations > combinations
> > >
> > It permutates too, I used it for some basic wm testing before. :)
> 
> Does it? I'm too lazy to reverse engineed it, so I just tried to run it
> but it didn't want to run, so meh.

Needed i915.nuclear_pageflip=1. Didn't even know we had such a knob.

Anywyas, all it tells me is
"Running test on pipe A with resolution 1920x1080 and sprite size 1920x1080 alpha 1"
and similar lines, and mostly I just see a black screen or a blinking backlight.
So I can't tell what it's actually doing.

-- 
Ville Syrjälä
Intel OTC
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