[igt-dev] [PATCH i-g-t] tests/kms_big_fb: Fix hw stride length tests

[Shankar, Uma]

> 
> > -----Original Message-----
> > From: Srinivas, Vidya <vidya.srinivas at intel.com>
> > Sent: Friday, July 23, 2021 3:09 PM
> > To: igt-dev at lists.freedesktop.org
> > Cc: Modem, Bhanuprakash <bhanuprakash.modem at intel.com>; Shankar, Uma
> > <uma.shankar at intel.com>; Almahallawy, Khaled
> > <khaled.almahallawy at intel.com>; Joshi, Kunal1
> > <kunal1.joshi at intel.com>; Heikkila, Juha-pekka <juha-
> > pekka.heikkila at intel.com>; Lin, Charlton <charlton.lin at intel.com>;
> > Latvala, Petri <petri.latvala at intel.com>; Srinivas, Vidya
> > <vidya.srinivas at intel.com>; Lin, Charlton <charlton.lin at intel.com>
> > Subject: [PATCH i-g-t] tests/kms_big_fb: Fix hw stride length tests
> >
> > We see the HW stride length tests are crashing when run in sequence.
> > Individually, they PASS.
> > This is happening due to missing data.ibb creation before the
> > test_scanout. Patch fixes the same.
> 
> Looks Good to me.
> Reviewed-by: Uma Shankar <uma.shankar at intel.com>

Meanwhile while we are at it, I feel the intel_bb_create at fixture can be dropped
as well. Currently its created but not getting destroyed in cleanup. Please check and
update your patch fixing that as well.

Thanks & Regards,
Uma Shankar

> > Signed-off-by: Lin Charlton <charlton.lin at intel.com>
> > Signed-off-by: Vidya Srinivas <vidya.srinivas at intel.com>
> > ---
> >  tests/kms_big_fb.c | 4 ++++
> >  1 file changed, 4 insertions(+)
> >
> > diff --git a/tests/kms_big_fb.c b/tests/kms_big_fb.c index
> > c6f374bdd073..91439ceb34b6 100644
> > --- a/tests/kms_big_fb.c
> > +++ b/tests/kms_big_fb.c
> > @@ -978,7 +978,9 @@ igt_main
> >  						igt_require(data.format ==
> > DRM_FORMAT_C8 ||
> >
> > 	igt_fb_supported_format(data.format));
> >
> > 	igt_require(igt_display_has_format_mod(&data.display, data.format,
> > data.modifier));
> > +						data.ibb =
> > intel_bb_create(data.drm_fd, 4096);
> >  						test_scanout(&data);
> > +						intel_bb_destroy(data.ibb);
> >  					}
> >
> >  					// async flip doesn't support linear fbs.
> > @@ -994,7 +996,9 @@ igt_main
> >
> > 	igt_require(igt_display_has_format_mod(&data.display, data.format,
> > data.modifier));
> >
> > 	igt_require_f(data.async_flip_support, "Async Flip is not supported\n");
> >  							data.max_hw_fb_width =
> > min(data.hw_stride / (formats[j].bpp >> 3), data.max_fb_width);
> > +							data.ibb =
> > intel_bb_create(data.drm_fd, 4096);
> >  							test_scanout(&data);
> > +							intel_bb_destroy(data.ibb);
> >  					}
> >  					data.async_flip_test = false;
> >  				}
> > --
> > 2.32.0