Am Dienstag, den 11.03.2014, 10:04 +0200 schrieb Tomi Valkeinen: > On 11/03/14 10:00, Geert Uytterhoeven wrote: > > On Tue, Mar 11, 2014 at 7:39 AM, Tomi Valkeinen <tomi.valkeinen@xxxxxx> wrote: > >> On 10/03/14 23:45, Rob Herring wrote: > >>> I like this proposal over the others. Although, would dual link be a > >> > >> I don't like inferring the information. With the above, you can't find > >> out that the DVI connector has digital and analog support before all the > >> drivers are loaded. > >> > >>> single endpoint or 2 endpoints? How would you differentiate that? > >> > >> Hmm, well endpoints for a single port are exclusive. So it's either a > >> single port and a single endpoint, or two ports and two endpoints. I > >> think dual link has to be single port & endpoint, as the TMDS links need > >> to be driven together as a single bus. > >> > >> And dual-link is not really "two links". DVI dual-link means 1 clock > >> lane and 6 data lanes, compared to 1 clock lane and 3 data lanes for > >> single-link. > > > > What about having a property for the number of data lanes? > > That was already suggested by Philipp in this thread. I don't see > anything wrong with that, but I don't really see benefit either. > "dual-link" is a standard term for 6 data lanes for the DVI connector. > And the choices are 3 or 6 data lanes, nothing else. The number of lanes of a DisplayPort connector could be 1 to 4. Also, there's dual-mode DP which can use four lanes to drive somewhat-like-HDMI single link TMDS signals. regards Philipp -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
