[PATCH v7 25/36] drm/connector: hdmi: Add Infoframes generation

[Maxime Ripard]

On Sun, Feb 25, 2024 at 05:02:51PM +0200, Dmitry Baryshkov wrote:
> > @@ -476,6 +478,7 @@ EXPORT_SYMBOL(drmm_connector_init);
> >   */
> >  int drmm_connector_hdmi_init(struct drm_device *dev,
> >                              struct drm_connector *connector,
> > +                            const char *vendor, const char *product,
> >                              const struct drm_connector_funcs *funcs,
> >                              const struct drm_connector_hdmi_funcs *hdmi_funcs,
> >                              int connector_type,
> > @@ -485,6 +488,13 @@ int drmm_connector_hdmi_init(struct drm_device *dev,
> >  {
> >         int ret;
> >
> > +       if (!vendor || !product)
> > +               return -EINVAL;
> > +
> > +       if ((strlen(vendor) > DRM_CONNECTOR_HDMI_VENDOR_LEN) ||
> > +           (strlen(product) > DRM_CONNECTOR_HDMI_PRODUCT_LEN))
> > +               return -EINVAL;
> > +
> >         if (!(connector_type == DRM_MODE_CONNECTOR_HDMIA ||
> >               connector_type == DRM_MODE_CONNECTOR_HDMIB))
> >                 return -EINVAL;
> > @@ -500,6 +510,12 @@ int drmm_connector_hdmi_init(struct drm_device *dev,
> >                 return ret;
> >
> >         connector->hdmi.supported_formats = supported_formats;
> > +       strtomem_pad(connector->hdmi.vendor, vendor, 0);
> > +       strtomem_pad(connector->hdmi.product, product, 0);
> > +
> > +       ret = drmm_mutex_init(dev, &connector->hdmi.infoframes.lock);
> 
> I'd suggest moving this call to the generic __drm_connector_init().
> This way no matter how the rest of the drm code (mis)uses the
> connector, the lock is always present and valid.

Yeah, that makes sense, I'll change it.

Thanks!
Maxime
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