[PATCH] drm/nouveau: expose GSP-RM logging buffers via debugfs

[Timur Tabi]

On Tue, 2024-02-06 at 10:35 +1000, David Airlie wrote:
> > 
> > An end-user can capture the logs using the following commands:
> > 
> >     cp /sys/kernel/debug/nouveau/loginit loginit
> >     cp /sys/kernel/debug/nouveau/logrm logrm
> >     cp /sys/kernel/debug/nouveau/logintr logintr
> >     cp /sys/kernel/debug/nouveau/logpmu logpmu
> 
> If we have 2 GPUs won't this conflict on driver load?
> 
> Do we need to at least make subdirs or if two early in boot to have
> ids, use the pci path?

I knew I was forgetting something.  I will fix this to use per-GPU paths.  Any
suggestion as to what to use to differentiate?  PCI ID?  Is there some other
identifier?