[Intel-gfx] [igt-dev] [PATCH i-g-t] igt/kms_vblank: Check if hangs are allowed

[Ville Syrjälä]

On Tue, Jul 17, 2018 at 12:51:55PM +0100, Chris Wilson wrote:
> Quoting Chris Wilson (2018-07-12 08:31:42)
> > Before running a hang test, check if we can inject a hang and expect
> > recover to work. If we can't control a hang, skip the subtest.
> > 
> > Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> 
> Any takers?

Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

> -Chris
> 
> > ---
> >  tests/kms_vblank.c | 4 ++++
> >  1 file changed, 4 insertions(+)
> > 
> > diff --git a/tests/kms_vblank.c b/tests/kms_vblank.c
> > index 2bee49de5..508c0fa03 100644
> > --- a/tests/kms_vblank.c
> > +++ b/tests/kms_vblank.c
> > @@ -442,10 +442,14 @@ static void run_subtests_for_pipe(data_t *data)
> >                         igt_subtest_f("pipe-%s-%s-%s-hang",
> >                                       kmstest_pipe_name(data->pipe),
> >                                       f->name, m->name) {
> > +                               igt_hang_t hang;
> > +
> > +                               hang = igt_allow_hang(data->display.drm_fd, 0, 0);
> >                                 for_each_valid_output_on_pipe(&data->display, data->pipe, data->output) {
> >                                         data->flags = m->flags;
> >                                         run_test(data, f->func);
> >                                 }
> > +                               igt_disallow_hang(data->display.drm_fd, hang);
> >                         }
> >                 }
> >         }
> > -- 
> > 2.18.0
> > 
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-- 
Ville Syrjälä
Intel