Re: [PATCH v1 RESEND 0/4] drm/tyr: implement GPU reset API

["Onur Özkan" <work@onurozkan.dev>]

On Fri, 13 Mar 2026 09:52:16 +0000
Alice Ryhl <aliceryhl@google.com> wrote:

> On Fri, Mar 13, 2026 at 12:16:40PM +0300, Onur Özkan wrote:
> > This series adds GPU reset handling support for Tyr in a new module
> > drivers/gpu/drm/tyr/driver.rs which encapsulates the low-level reset
> > controller internals and exposes a ResetHandle API to the driver.
> > 
> > The reset module owns reset state, queueing and execution ordering
> > through OrderedQueue and handles duplicate/concurrent reset requests
> > with a pending flag.
> > 
> > Apart from the reset module, the first 3 patches:
> > 
> > - Fixes a potential reset-complete stale state bug by clearing
> > completed state before doing soft reset.
> > - Adds Work::disable_sync() (wrapper of
> > bindings::disable_work_sync).
> > - Adds OrderedQueue support.
> > 
> > Runtime tested on hardware by Deborah Brouwer (see [1]) and myself.
> > 
> > [1]:
> > https://gitlab.freedesktop.org/panfrost/linux/-/merge_requests/63#note_3364131
> > 
> > Link: https://gitlab.freedesktop.org/panfrost/linux/-/issues/28
> > ---
> > 
> > Onur Özkan (4):
> >   drm/tyr: clear reset IRQ before soft reset
> >   rust: add Work::disable_sync
> >   rust: add ordered workqueue wrapper
> 
> I actually added ordered workqueue support here:
> https://lore.kernel.org/all/20260312-create-workqueue-v4-0-ea39c351c38f@google.com/
> 
> Alice

That's cool. I guess this will wait until your patch lands unless we
want to combine them into a single series.

- Onur