Den lördagen den 14:e december 2013 kl. 01:28:53 UTC+1 skrev Gerald: > > Did you check for the troubleshooting section on the support Wiki? > > http://www.elinux.org/Beagleboard:BeagleBoneBlack Look under HDMI. > > DRM does not use the optargs. It only uses the EDID information it reads > form the display to set the resolution. > > Gerald >
I tried all the stuff on the Wiki without success. When I added "optargs=quiet" to uEnv.txt it suddenly started working. Don't ask me why. > > > On Fri, Dec 13, 2013 at 4:19 PM, <[email protected] <javascript:>> wrote: > >> Hi friends, >> >> Very disappointed... after several hours of trying, the HDMI output is >> not working. >> The board has latest flash image 2013.09.04 as shipped, no modifications, >> no booting from SD. >> >> In fact, I have nothing in >> >> cat /proc/cmdline >> >> root@beaglebone:~# cat /proc/cmdline >> console=ttyO0,115200n8 quiet drm.debug=7 root=/dev/mmcblk0p2 ro >> rootfstype=ext4 rootwait >> >> where is the video argument? >> >> I've tried all things kindly explained by this guy here: >> http://bb-lcnc.blogspot.ro/2013/06/force-beaglebone-black-hdmi-resolution.html >> >> I use a reasonable HDMI to VGA adapter: >> http://www.delock.com/produkte/G_65347/merkmale.html?setLanguage=en >> >> I even tried to pass arguments to u-boot but they don't appear after booting >> process >> >> cat /proc/cmdline >> >> setenv optargs video=HDMI-A-1:640x480@60 >> >> Any idea please ?! >> >> >> >> >> -- >> For more options, visit http://beagleboard.org/discuss >> --- >> You received this message because you are subscribed to the Google Groups >> "BeagleBoard" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> For more options, visit https://groups.google.com/groups/opt_out. >> > > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
