On Wed, May 14, 2014 at 09:22:54AM +0200, Marcel Ziswiler wrote:
> On 05/13/2014 09:49 PM, Stephen Warren wrote:
> >On 05/13/2014 11:27 AM, stefan@xxxxxxxx wrote:
[...]
> >>+ panel: panel {
> >>+ compatible = "edt,et057090dhu", "simple-panel";
> >
> >The panel-simple driver doesn't seem to know about that EDT panel. How
> >will it work out the display timings?
>
> Good question and me and Stefan actually even talked about that yesterday. I
> am actually using KMS right now as follows:
>
> video=HDMI-A-1:1280x720-16@60 video=LVDS-1:640x480-16@60'
>
> So the panel node is purely used to hook up the back light part right now.
>
> From our point of view for our completely generic module approach where each
> customer potentially hooks up his own display make/model it would be
> desirable to have some way of defining such timings directly through the
> device tree.
Every customer design would presumably get its own device tree file, so
they could easily follow the current conventions and update the
panel-simple driver with the proper compatible value and display timings
and then simply make the panel device node compatible with that.
Thierry
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