Hi Gianluca, On Mon, Jun 19, 2017 at 05:49:41PM +0200, gianluca wrote: > Hello Lucas, Sascha and the barebox mailing list guys! > > I am back with the new boards batch release (now QuadPlus and DualLite iMX6) > > Now I adapted barebox to fit both processors and it works quite well. > > From Barebox point-of-view the ldb node of the device-tree is using three > timings and they are working good depending on which panel bridge board I am > connecting to (1280x800, 1024x600 and 800x480). > > The custom startup code of barebox is looking for a special eeprom on the > panel-bridge and set the device tree accordingly, i.e. setting the > native-mode node to the correct display-timing. > > The same device-tree is used in Linux (as in attachment) as you can see the > ldb section and the panel section, using a simple-panel and a correct panel > timing using the innolux,g101ice_l01 panel driver timings. > > > > > > No, Linux does not support DT defined modes in the panel. You need a > > > panel with a proper compatible and driver. > > > > > > See drivers/gpu/drm/panel. For most LVDS panels simple-panel is what you > > > want to use. > > > > > They are ignored in the Barebox starup (as you know barebox can use the > display-timings in the ldb section) but the panel section is used in linux. > > Nevertheless it does not work. What exactly does not work? No picture in barebox? Any error messages? Does it work in Linux? Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
