[Intel-gfx] [PATCH] drm/i915: Debugfs to disable context banning

[Jeff McGee]

On Wed, Oct 18, 2017 at 11:01:13AM +0200, Daniel Vetter wrote:
> On Tue, Oct 17, 2017 at 09:23:43AM -0700, Jeff McGee wrote:
> > On Tue, Oct 17, 2017 at 05:36:54PM +0200, Daniel Vetter wrote:
> > > On Tue, Oct 17, 2017 at 08:25:33AM -0700, jeff.mcgee at intel.com wrote:
> > > > From: Jeff McGee <jeff.mcgee at intel.com>
> > > > 
> > > > Useful for stress testing various reset scenarios. The ioctl that we
> > > > have for specific client/context banning disable is difficult to utilize
> > > > outside of unit testing.
> > > 
> > > Do we have these stress tests available somewhere?
> > > -Daniel
> > > 
> > Potentially any test scenario that relies upon app/umd instead of IGT to
> > inject batches that need to be reset would benefit from the ability to
> > disable context banning. We are using such scenarios to validate for the
> > Yocto APL project, specifically for a feature where preemption of non-
> > preemptible batches is forced using reset. It it not needed for IGT-based
> > reset stress tests.
> 
> Is that test suite public somewhere?
> -Daniel

No, but it could be. I don't own it. Anyway, I'll reintroduce this patch
when I have a better case to make for it. It was worth a try ;)
-Jeff