[PATCH v2] drm/amdgpu: skipping SDMA hw_init and hw_fini for S0ix.

[Alex Deucher]

On Thu, Feb 10, 2022 at 11:08 AM Limonciello, Mario
<Mario.Limonciello at amd.com> wrote:
>
> [Public]
>
> > > VG doesn't do s0i3 right?
> >
> > Right.
> >
> > > No, YC should not take a similar fix.    YC had an architectural change and to
> > > avoid a "similar" problem takes
> > 26db706a6d77b9e184feb11725e97e53b7a89519.
> >
> > Isn't that likely just a workaround for the same issue?  This seems cleaner.
> >
>
> The SMU doesn't handle the restore of the SDMA registers for YC though, this
> explicitly changed.  So I don't believe we can do an identical fix there.
>
> @Liang, Prike comments?

Ah, ok, in that case, it's probably correct as is.  I assumed the smu
would probably behave the same.

Alex