[Intel-gfx] [PATCH i-g-t 2/2] tests/kms_chv_cursor_fail: Run the tests with fewer steps.

[Ville Syrjälä]

On Wed, Jun 08, 2016 at 04:47:48PM +0200, Maarten Lankhorst wrote:
> Op 08-06-16 om 15:35 schreef Ville Syrjälä:
> > On Wed, Jun 08, 2016 at 03:23:33PM +0200, Maarten Lankhorst wrote:
> >> Op 08-06-16 om 15:12 schreef Ville Syrjälä:
> >>> On Wed, Jun 08, 2016 at 01:25:32PM +0200, Maarten Lankhorst wrote:
> >>>> This reduces the runtime of the tests from ~200s on my 30 fps 4k panel
> >>>> to 10s.
> >>> Does it still find the problem reliably on CHV pipe C (if you remove the
> >>> kernel w/a)?
> >> Yeah, a single coordinate is enough to trigger the fifo underrun. Rest is probably still slightly overkill. :)
> > Hmm. IIRC it wasn't quite that easy to trigger on my CHV. Sometime
> > it survived for a few iterations. But I'm too lazy to retest it now,
> > so I'll take your word for it.
> >
> Weird, even kms_cursor_crc random test triggered it for me on the first try with negative coordinates.

Might be that I'm only recalling the visual feedback. That is, maybe I
sometimes failed to see the underrun even though it did happen.

-- 
Ville Syrjälä
Intel OTC