Re: [PATCH] drm/drm_panel: fix export of drm_panel_of_backlight, try #3

From: Sam Ravnborg
Date: Wed Jan 08 2020 - 11:46:28 EST


Hi Arnd.

> > > All of this is just another hack until the backlight config usage is
> > > fixed for good. Do we really want to make this the example to copy paste
> > > wherever we hit the issue next?
> > >
> > > I'm not naking, but I'm not acking either.
> >
> > I will try to take a look at your old BACKLIGHT_CLASS_DEVICE patch this
> > weekend. I think we need that one fixed - and then we can have this mess
> > with "drm_panel_of_backlight" fixed in the right way.
>
> I had also attempted to fix the larger mess around 'select' statements in DRM/FB
> around BACKLIGHT_CLASS_DEVICE several times in the past, and even at
> some point sent a patch that was acked but never merged and later broke because
> of other changes.

Any chance you have the patch around or can dig up a pointer?
My google foo did not turn up anything.

Sam