Re: [PATCH v2 0/4] drm/nouveau/gsp/r570: Fix runtime PM

[Andy Shevchenko]

On Mon, Jun 29, 2026 at 06:42:32PM -0400, Lyude Paul wrote:
> Runtime PM has been kind of unreliable with GSP for a while. It works
> well enough to shut the GPU off and turn it back on, but more often then
> not it ends up leaving the GPU in a broken state on resume - which makes
> it impossible to really do anything else with it.
> 
> Recently however, I discovered that it's been failing much harder on
> some ampere systems. This lead me down a rabbit hole that lead me to
> figure out one of our previous fixes for runtime PM wasn't correct.
> After fixing that and combining it with some fixes we had tried in the
> past without success, I finally managed to get nouveau to handle runtime
> PM with the GSP perfectly. These are those fixes.
> 
> Tested on a Lenovo P16 G1 (100 runtime PM cycles!), and RTX4000.

This is v2, and no changelog. What's going on?

-- 
With Best Regards,
Andy Shevchenko