Ongoing HDMI limited compatability
#21
(04-20-2016, 06:47 AM)rahlquist Wrote:
(04-20-2016, 06:24 AM)tkaiser Wrote:
(04-20-2016, 05:49 AM)rahlquist Wrote: cat: graphics/fb0/modes: No such file or directory

These are relative paths, most likely relative to /sys/class (don't know -- booted the Pine64 a few weeks ago the last time). You might succeed doing a 'find /sys -type d -name fb0' to know the prefix needed to chdir to or create absolute paths.

Thanks, when acting as 'smart hands' and troubleshooting using instructions from another person I tend to be terribly literal. Using the info you provided;

Code:
root@localhost:~# find /sys -type d -name fb0
/sys/devices/soc.0/1000000.disp/graphics/fb0
root@localhost:~# cat /sys/devices/soc.0/1000000.disp/graphics/fb0/modes
U:1920x1080p-0
Decided to get a bit more info using another method. I hooked my pi to the monitor and pulled EDID info. 
Code:
root@raspberrypioldpi:~# tvservice -s
state 0x120006 [DVI DMT (57) RGB full 16:10], 1680x1050 @ 60.00Hz, progressive
root@raspberrypioldpi:~# tvservice -m DMT
Group DMT has 4 modes:
          mode 4: 640x480 @ 60Hz 4:3, clock:25MHz progressive
          mode 9: 800x600 @ 60Hz 4:3, clock:40MHz progressive
          mode 16: 1024x768 @ 60Hz 4:3, clock:65MHz progressive
 (prefer) mode 57: 1680x1050 @ 60Hz 16:10, clock:119MHz progressive
root@raspberrypioldpi:~# tvservice -m CEA
Group CEA has 7 modes:
          mode 1: 640x480 @ 60Hz 4:3, clock:25MHz progressive
          mode 2: 720x480 @ 60Hz 4:3, clock:27MHz progressive
          mode 3: 720x480 @ 60Hz 16:9, clock:27MHz progressive
 (native) mode 4: 1280x720 @ 60Hz 16:9, clock:74MHz progressive
          mode 5: 1920x1080 @ 60Hz 16:9, clock:74MHz interlaced
          mode 6: 720x480 @ 60Hz 4:3, clock:27MHz x2 interlaced
          mode 7: 720x480 @ 60Hz 16:9, clock:27MHz x2 interlaced
Thats the simple stuff, attached is the output of;
Code:
root@raspberrypioldpi:~# tvservice -d edid.dat
Written 256 bytes to edid.dat
root@raspberrypioldpi:~# edidparser edid.dat > edid.txt
Also adding full pi serial console boot log.

Code:
root@raspberrypioldpi:~# cat /sys/devices/platform/soc/soc:fb/graphics/fb0/modes
U:1680x1050p-0


ATTENTION Moderator Note

Forum doesn't allow upload of files with the extension .log seriously? Might what to address that lol.
I will check out.


Messages In This Thread
Ongoing HDMI limited compatability - by rahlquist - 04-19-2016, 07:21 AM
RE: Ongoing HDMI limited compatability - by Jasu - 04-24-2016, 04:50 AM
RE: Ongoing HDMI limited compatability - by tllim - 04-20-2016, 08:08 AM
RE: Ongoing HDMI limited compatability - by tllim - 04-21-2016, 11:59 PM
RE: Ongoing HDMI limited compatability - by tllim - 04-21-2016, 03:35 PM
RE: Ongoing HDMI limited compatability - by tllim - 04-21-2016, 03:37 PM
RE: Ongoing HDMI limited compatability - by tllim - 04-22-2016, 12:02 AM
RE: Ongoing HDMI limited compatability - by tllim - 04-25-2016, 12:42 AM
RE: Ongoing HDMI limited compatability - by tllim - 12-27-2016, 11:45 PM

Possibly Related Threads…
Thread Author Replies Views Last Post
  lcd touch screen and hdmi output moreaujacky 2 2,519 10-24-2018, 07:24 AM
Last Post: lisanke
  No HDMI Display need help with correct uEnv.txt settings dkebler 7 5,110 01-11-2018, 02:52 PM
Last Post: dkebler
  HDMI Compatability rahlquist 5 4,180 07-29-2017, 02:32 AM
Last Post: qwerty2002
  No HDMI Output martinarcher 2 4,156 04-28-2017, 07:05 AM
Last Post: martinarcher
  Thoughts on eoma-68 compatability? traverseda 4 2,690 02-23-2017, 06:47 AM
Last Post: lkcl
  Switching from touchscreen to HDMI AUDIOTEK 10 5,782 08-11-2016, 07:41 PM
Last Post: MarkHaysHarris777
  4K HDMI video output medapeta 3 3,766 06-10-2016, 04:36 PM
Last Post: shinobi
  HDMI Issue... LeRoms77 4 3,886 04-19-2016, 02:11 AM
Last Post: LeRoms77
  nexdock (laptop style HDMI display w/ BT keyboard/touchpad) neoaeon 5 4,682 03-10-2016, 07:43 PM
Last Post: hrh1818
  Kickstarter Limited PINE64 T-Shirt - $999 shipping cost to Poland logrus 3 3,132 02-18-2016, 06:53 AM
Last Post: Ghost

Forum Jump:


Users browsing this thread: 1 Guest(s)