Hi Sascha,
Sorry for the late reply.
On Thursday 05 July 2012 18:50:29 Sascha Hauer wrote:
> On Thu, Jul 05, 2012 at 04:08:07PM +0200, Laurent Pinchart wrote:
> > > +++ b/Documentation/devicetree/bindings/video/displaymode
> > > @@ -0,0 +1,40 @@
> > > +videomode bindings
> > > +==================
> > > +
> > > +Required properties:
> > > + - xres, yres: Display resolution
> > > + - left-margin, right-margin, hsync-len: Horizontal Display timing
> > > parameters + in pixels
> > > + upper-margin, lower-margin, vsync-len: Vertical display timing
> > > parameters in + lines
> > > + - clock: displayclock in Hz
> > > +
> > > +Optional properties:
> > > + - width-mm, height-mm: Display dimensions in mm
> >
> > I've always had mixed feelings about the physical display dimension being
> > part of the display mode. Those are properties of the panel/display
> > instead of the mode. Storing them as part of the mode can be convenient,
> > but we then run into consistency issues (developers have to remember in
> > which display mode instances the values are available, and in which
> > instances they're set to 0 for instance). If we want to clean this up,
> > this patch would be a good occasion.
>
> This sounds like a display node with one or more node subnodes, like:
>
> display {
> width_mm = <>;
> height_mm = <>;
> mode {
> xres = <>;
> yres = <>;
> ...
> };
> };
>
> Is that what you mean or are you thinking of something else?
Yes, that's exactly what I meant.
--
Regards,
Laurent Pinchart
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