Re: [PATCH v9 08/10] drm/xe: Improve wedged state management

[Raag Jadav <raag.jadav@intel.com>]

On Fri, Aug 21, 2026 at 11:29:35AM +0200, Raag Jadav wrote:
> On Fri, Aug 21, 2026 at 10:26:58AM +0200, Laguna, Lukasz wrote:
> > On 7/10/2026 07:01, Raag Jadav wrote:
> 
> ...
> 
> > > +bool xe_device_wedged(struct xe_device *xe)
> > > +{
> > > +	return atomic_read(&xe->wedged.ref);
> > > +}
> > 
> > __guc_ct_send_locked() and g2h_read() return -ENOTRECOVERABLE when
> > xe_device_wedged() is true, but with the new refcount approach device may
> > only be temporarily wedged.
> 
> Good catch. I was expecting this path to not be hit during FLR as we're
> tearing down exec queues and disabling interrupts, but fully agree that
> there's a whole lot of TODOs we need to revisit as a follow up. I'll add
> this one too.

I've sent a standalone fix[1] for this. However, I'm unsure about it's
correctness, so please weigh in.

Raag

[1] https://lore.kernel.org/intel-xe/20260821122114.567725-1-raag.jadav@intel.com