Re: [PATCH v3 8/9] drm/tegra: vic: Implement get_streamid_offset

[Mikko Perttunen <cyndis@xxxxxxxx>]

On 2/19/22 20:54, Dmitry Osipenko wrote:
> 19.02.2022 21:49, Dmitry Osipenko пишет:
> > 18.02.2022 14:39, Mikko Perttunen пишет:
> > > +static int vic_get_streamid_offset(struct tegra_drm_client *client)
> > > +{
> > > +	struct vic *vic = to_vic(client);
> > > +	int err;
> > > +
> > > +	err = vic_load_firmware(vic);
> >
> > You can't invoke vic_load_firmware() while RPM is suspended. Either
> > replace this with RPM get/put or do something else.

Why not, I'm not seeing any HW accesses in vic_load_firmware? Although 
it looks like it might race with the vic_load_firmware call in 
vic_runtime_resume which probably needs to be fixed.

> > > +	if (err < 0)
> > > +		return err;
> > > +
> > > +	if (vic->can_use_context)
> > > +		return 0x30;
> > > +	else
> > > +		return -ENOTSUPP;
> >
> > If (!vic->can_use_context)
> > 	return -ENOTSUPP;
> >
> > return 0x30;
>
> and s/ENOTSUPP/EOPNOTSUPP/

Ok.

Mikko