Hi Sam,
On Sat, Jan 18, 2020 at 3:04 PM Sam Ravnborg <sam@xxxxxxxxxxxx> wrote:
> >
> > The LVDS panel driver has almost everything which is required to
> > describe a simple parallel RGB panel (also known as DPI, Display
> > Pixel Interface).
> >
> > ---
>
> There are a few high-level things we need to have sorted out.
>
> The driver, when this patch is added, assumes that certain properties
> are now mandatory when using the panel-dpi compatible.
> - data-mapping
> - width-mm
> - height-mm
> - panel-timing
>
> But this does not match the panel-dpi binding.
> So we need the panel-dpi binding updated first.
>
>
> The current driver specify the connector type in drm_panel_init().
> But a DPI panel is assumed to use a DRM_MODE_CONNECTOR_DPI,
> and not a DRM_MODE_CONNECTOR_LVDS.
> So the drm_panel_init() call needs to take into account the type
> of binding.
>
Thanks, I'll fix it in 2nd version.
>
> > @@ -257,7 +279,7 @@ static struct platform_driver panel_lvds_driver = {
> > .probe = panel_lvds_probe,
> > .remove = panel_lvds_remove,
> > .driver = {
> > - .name = "panel-lvds",
> > + .name = "panel-generic",
>
> I think changing the name of the driver like this is an UAPI change,
> which is not OK
I see 2 simple ways there:
- keep the original platform driver name;
- fork panel-lvds driver as panel-generic driver with dpi support.
What solution do you prefer?
> > .of_match_table = panel_lvds_of_table,
> > },
> > };
>
> Sam
--
Best regards
Oleksandr Suvorov
Toradex AG
Altsagenstrasse 5 | 6048 Horw/Luzern | Switzerland | T: +41 41 500
4800 (main line)
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