[PATCH v7 1/5] drm: Introduce device wedged event

[Raag Jadav]

On Fri, Oct 18, 2024 at 02:54:38PM +0200, Christian König wrote:
> Am 18.10.24 um 14:46 schrieb Raag Jadav:
> > > As far as I can see this makes the enum how to recover the device
> > > superfluous because you will most likely always need a bus reset to get out
> > > of this again.
> > That depends on the kind of fault the device has encountered and the bus it is
> > sitting on. There could be buses that don't support reset.
> 
> That is even more an argument to not expose this in the uevent.
> 
> Getting the device working again is strongly device dependent and can't be
> handled in a generic way.

My understanding is that the proposed methods can be handled in a generic way
and are useful for the devices that do support it. This way the userspace can
atleast have a hint about recovery.

For others we can have something like WEDGED=none (as proposed by Michal and
Lucas in other threads) and let admin/user decide how to deal with it.

Raag