[Intel-gfx] [PATCH] drm/i915/selftests: Skip over live context testing when wedged

[Rodrigo Vivi]

On Fri, Jul 06, 2018 at 07:42:00AM +0100, Chris Wilson wrote:
> Quoting Rodrigo Vivi (2018-07-05 21:52:10)
> > On Thu, Jul 05, 2018 at 03:58:45PM +0100, Chris Wilson wrote:
> > > If the GPU is terminally wedged we cannot submit any requests into a
> > > context, completely unfulfilling our purpose of doing so. As this
> > > expectedly fails, skip over the test.
> > > 
> > > Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> > > ---
> > >  drivers/gpu/drm/i915/selftests/i915_gem_context.c | 3 +++
> > >  1 file changed, 3 insertions(+)
> > > 
> > > diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_context.c b/drivers/gpu/drm/i915/selftests/i915_gem_context.c
> > > index cc848ceeb3c3..0b36265a0f96 100644
> > > --- a/drivers/gpu/drm/i915/selftests/i915_gem_context.c
> > > +++ b/drivers/gpu/drm/i915/selftests/i915_gem_context.c
> > > @@ -599,6 +599,9 @@ int i915_gem_context_live_selftests(struct drm_i915_private *dev_priv)
> > >       bool fake_alias = false;
> > >       int err;
> > >  
> > > +     if (i915_terminally_wedged(&dev_priv->gpu_error))
> > > +             return 0;
> > > +
> > 
> > I wonder if this could mask a real failure under the skips?
> 
> The *test* can't be run, so what failure relevant to this *test* can be
> shown?
> 
> As you notice, when we get to the reset test, we do proclaim failure as
> we've already demonstrated reset is bust.

Makes sense...

I was going to add rv-b here for this and others, but
I saw you already got hem and is already pushing ;)

Also thanks for the explanation on -ENOTRECOVERABLE one..
that also makes sense.

> -Chris