On 11/05/2012 03:59 PM, Federico Fuga wrote: > Hi Everybody, > > I am working on a custom OMAP4430 board with HDMI support. I am using the > latest omapzoom ubuntu-integration kernel (3.4.0-1487.6) > I tested the same on the pandaboard with the same cpu, with the same result. > Both are lacking the "HDMI Companion chip" (U6 on pandaboard with 4430), > because on our custom board we don't need EDID support (we are using an HDMI > to VGA chip converter), for testing purpose it was removed from the > pandaboard. > I am unable to make HDMI working. > I was assured that this kernel is correctly working with HDMI on pandaboard, > so I'd guess that the problem is due to the missing edid, but I am not 100% > sure. > For simplicity, I removed the DVI configuration on the panda board file, by > removing the DVI display configuration, and changing the default device to > HDMI. > The hdmi interface seems to be configured correctly , the > overlay/manager/display chain is correctly setup and enabled, but no signal > is detected by the monitor, and the screen is black. > No errors are present in the logs - I'll send a copy of it with > omapdss.debug=y tomorrow, eventually. > I wanted to check the HDMI registers, but I didn't find the hdmi registers > table on the TRM. > Does someone have some hint, comment or previous experience on that? > Where can I find the hdmi registers list on the manual or other documentation? > Note that as far as i know, the 2.6.35 kernel was working correctly (I can't > check right now, unfortunately). > Thank you.
I would recommend posting this query on the TI E2E forum for Linux [1]. You may get better help there seeing that this is with regard to a specific TI development kernel branch. Cheers Jon [1] http://e2e.ti.com/support/embedded/linux/default.aspx -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
