Video resolution on Apalis TK1

Sengir · July 29, 2016, 9:29am

Good morning.

I am trying to setup my TK1 for a dual display LVDS setup but I can’t setup the resolution in any way listed here:
Display Output
If I run fbset I get this:

fbset

mode "800x600-86"
    # D: 55.002 MHz, H: 53.713 kHz, V: 86.079 Hz
    geometry 800 600 800 1200 32
    timings 18181 112 32 3 17 80 4
    hsync high
    vsync high
    rgba 8/0,8/8,8/16,8/24
endmode

But I can only see the startup console with the kernel dmesg but no LXDE. The second display is powered on but remains black.

cat /proc/cmdline 
lp0_vec=2064@0xf46ff000 core_edp_mv=1150 core_edp_ma=4000 usb_port_owner_info=2 lane_owner_info=6 emc_max_dvfs=0 ip=off root=/dev/mmcblk0p2 rw rootfstype=ext3 rootwait igb_mac=00:14:2d:2b:12:fd consoleblank=0 no_console_suspend=1 console=ttyS0,115200n8 debug_uartport=lsport,0 video=fb0:800x480-16@60 video=fb1:1024x600-16@60

I tried with both tegrafb* and fb* in uboot settings, I have flashed from scratch the 2.6 beta Image.

Suggestions?

dominik.tx · July 29, 2016, 11:08am

Please explain your HW setup in more details. How are displays connected?
tegrafb0 is preferred, to use LVDS in LXDE please remove line:
/usr/bin/xrandr --output LVDS-0 --off
from /etc/xdg/lxsession/LXDE/autostart

Sengir · July 29, 2016, 12:25pm

Hi Dominik, thanks for your reply. I will try in a few moments. I have a 7" 800x480 Display on LVDS port 0 and a 10" 1024x600 Display on LVDS1 port but I can’t set the correct resolution on the first one and show something different from a black screen from the second one.

I add the xrandr result:

root@apalis-tk1:~# xrandr -q      
Can't open display :0.0

dominik.tx · July 29, 2016, 12:37pm

What do you mean by LVDS1 port?

Sengir · July 29, 2016, 12:53pm

Sorry, my mistake. The ports are LVDSA instead LVDS0 and LVDSB instead LVDS1

dominik.tx · July 29, 2016, 12:59pm

There is no LVDSB or LVDS1 on Apalis TK1.
From our product page:
LVDS (1x 1920x1200x24bpp Single)

Sengir · July 29, 2016, 1:17pm

I was reading on the TK1 datasheet. I didn’t see “not available” under LVDSB.

What about changing the resolution on LVDSA?

Sengir · August 1, 2016, 8:26am

Hi Dominik, then, how can I set the video resolution for LVDSA? Modify uboot arguments doesn’t work.

root@apalis-tk1:~# cat /proc/cmdline 
lp0_vec=2064@0xf46ff000 core_edp_mv=1150 core_edp_ma=4000 usb_port_owner_info=2 lane_owner_info=6 emc_max_dvfs=0 ip=off root=/dev/mmcblk0p2 rw rootfstype=ext3 rootwait igb_mac=00:14:2d:2b:13:04 consoleblank=0 no_console_suspend=1 console=tty1 console=ttyS0,115200n8 debug_uartport=lsport,0 video=tegrafb0:1024x600-16@60

root@apalis-tk1:~# fbset
    mode "800x600-86"
        # D: 55.002 MHz, H: 53.713 kHz, V: 86.079 Hz
        geometry 800 600 800 1200 32
        timings 18181 112 32 3 17 80 4
        hsync high
        vsync high
        rgba 8/0,8/8,8/16,8/24
    endmode

marcel.tx · August 9, 2016, 11:19pm

On Apalis TK1 the frame buffer boot configuration integration via kernel command line is still pending and the LVDS configuration is currently hard-coded here.

Sengir · August 26, 2016, 1:12pm

Hi marcel, thank you.
I removed the line /usr/bin/xrandr --output LVDS-0 --off from /etc/xdg/lxsession/LXDE/autostart but with the image just flashed I can’t manage to start the window manager. I still get a black console and I cannot type anything, I can only access from SSH.
I still get

xrandr
Can't open display :0.0

Sengir · August 29, 2016, 7:53am

Hello Dominik,

I still can’t get X11 to work. This is Xorg.0.log file. Fresh BSP installation.

root@apalis-tk1:~#  cat /var/log/Xorg.0.log
[3577290.303] 
X.Org X Server 1.17.2
Release Date: 2015-06-16
[3577290.303] X Protocol Version 11, Revision 0
[3577290.303] Build Operating System: Linux 4.5.5-201.fc23.x86_64 x86_64 
[3577290.303] Current Operating System: Linux apalis-tk1 3.10.40-gbd83e0f-dirty #3 SMP PREEMPT Fri Aug 26 14:43:29 CEST 2016 armv7l
[3577290.303] Kernel command line: lp0_vec=2064@0xf46ff000 core_edp_mv=1150 core_edp_ma=4000 usb_port_owner_info=2 lane_owner_info=6 emc_max_dvfs=0 ip=off root=/dev/mmcblk0p2 rw rootfstype=ext3 rootwait igb_mac=00:14:2d:2b:13:04 consoleblank=0 no_console_suspend=1 console=tty1 console=ttyS0,115200n8 debug_uartport=lsport,0 video=tegrafb0:1024x600-16@60
[3577290.303] Build Date: 24 June 2016  04:59:16PM
[3577290.303]  
[3577290.303] Current version of pixman: 0.32.6
[3577290.303] 	Before reporting problems, check http://wiki.x.org
	to make sure that you have the latest version.
[3577290.303] Markers: (--) probed, (**) from config file, (==) default setting,
	(++) from command line, (!!) notice, (II) informational,
	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[3577290.304] (==) Log file: "/var/log/Xorg.0.log", Time: Mon Aug 29 07:35:05 2016
[3577290.304] (==) Using config file: "/etc/X11/xorg.conf"
[3577290.305] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[3577290.305] (==) No Layout section.  Using the first Screen section.
[3577290.305] (==) No screen section available. Using defaults.
[3577290.305] (**) |-->Screen "Default Screen Section" (0)
[3577290.305] (**) |   |-->Monitor "<default monitor>"
[3577290.306] (==) No device specified for screen "Default Screen Section".
	Using the first device section listed.
[3577290.306] (**) |   |-->Device "Tegra0"
[3577290.306] (==) No monitor specified for screen "Default Screen Section".
	Using a default monitor configuration.
[3577290.306] (==) Automatically adding devices
[3577290.306] (==) Automatically enabling devices
[3577290.306] (==) Automatically adding GPU devices
[3577290.306] (WW) The directory "/usr/share/fonts/X11/TTF/" does not exist.
[3577290.306] 	Entry deleted from font path.
[3577290.306] (WW) The directory "/usr/share/fonts/X11/OTF/" does not exist.
[3577290.306] 	Entry deleted from font path.
[3577290.306] (WW) The directory "/usr/share/fonts/X11/Type1/" does not exist.
[3577290.306] 	Entry deleted from font path.
[3577290.306] (==) FontPath set to:
	/usr/share/fonts/X11/misc/,
	/usr/share/fonts/X11/100dpi/,
	/usr/share/fonts/X11/75dpi/
[3577290.306] (==) ModulePath set to "/usr/lib/xorg/modules"
[3577290.306] (II) The server relies on udev to provide the list of input devices.
	If no devices become available, reconfigure udev or disable AutoAddDevices.
[3577290.306] (II) Loader magic: 0x141d80
[3577290.306] (II) Module ABI versions:
[3577290.307] 	X.Org ANSI C Emulation: 0.4
[3577290.307] 	X.Org Video Driver: 19.0
[3577290.307] 	X.Org XInput driver : 21.0
[3577290.307] 	X.Org Server Extension : 9.0
[3577290.309] (II) no primary bus or device found
[3577290.309] (WW) "dri" will not be loaded unless you've specified it to be loaded elsewhere.
[3577290.309] (II) "glx" will be loaded by default.
[3577290.309] (II) LoadModule: "extmod"
[3577290.309] (II) Module "extmod" already built-in
[3577290.309] (II) LoadModule: "glx"
[3577290.310] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
[3577290.311] (EE) Failed to load /usr/lib/xorg/modules/extensions/libglx.so: libnvidia-tls.so.21.4: cannot open shared object file: No such file or directory
[3577290.311] (II) UnloadModule: "glx"
[3577290.311] (II) Unloading glx
[3577290.311] (EE) Failed to load module "glx" (loader failed, 7)
[3577290.311] (II) LoadModule: "nvidia"
[3577290.311] (II) Loading /usr/lib/xorg/modules/drivers/nvidia_drv.so
[3577290.312] (EE) Failed to load /usr/lib/xorg/modules/drivers/nvidia_drv.so: libnvidia-rmapi-tegra.so.21.4: cannot open shared object file: No such file or directory
[3577290.312] (II) UnloadModule: "nvidia"
[3577290.312] (II) Unloading nvidia
[3577290.312] (EE) Failed to load module "nvidia" (loader failed, 7)
[3577290.312] (EE) No drivers available.
[3577290.312] (EE) 
Fatal server error:
[3577290.312] (EE) no screens found(EE) 
[3577290.312] (EE) 
Please consult the The X.Org Foundation support 
	 at http://wiki.x.org
 for help. 
[3577290.312] (EE) Please also check the log file at "/var/log/Xorg.0.log" for additional information.
[3577290.312] (EE)

Any advice?

marcel.tx · August 30, 2016, 6:09am

Yes, or just doing a manual ldconfig helps. Occasionally there seems to be some sort of a race condition as it should automatically do this upon first boot.

Sengir · August 29, 2016, 8:07am

I solved creating symlinks in lib folder

ln -s /usr/lib/arm-linux-gnueabihf/tegra/* /lib/

Sengir · August 30, 2016, 7:44am

Thank you marcel, next step is get edt-ft5x06 touch driver working.
I’ll open another topic for this.

marcel.tx · August 31, 2016, 11:31am

Is this still an issue? If so what does the following look like?

root@apalis-tk1:~# cat /etc/xdg/lxsession/LXDE/autostart
@lxpanel --profile LXDE
@pcmanfm --desktop --profile LXDE
@xscreensaver -no-splash
#/usr/bin/xrandr --output LVDS-0 --off
root@apalis-tk1:~# systemctl status -l lxdm
● lxdm.service - LXDE Display Manager
   Loaded: loaded (/usr/lib/systemd/system/lxdm.service; enabled; vendor preset: enabled)
   Active: active (running) since Wed 2016-08-31 11:17:04 UTC; 22s ago
 Main PID: 503 (lxdm-binary)
   CGroup: /system.slice/lxdm.service
           ├─503 /usr/sbin/lxdm-binary
           └─522 /usr/bin/X -s 0 :0 vt07 -nolisten tcp -novtswitch

Aug 31 11:17:04 apalis-tk1 systemd[1]: Started LXDE Display Manager.
Aug 31 11:17:06 apalis-tk1 lxdm-session[698]: pam_unix(lxdm:session): session opened for user root by (uid=0)
root@apalis-tk1:~# echo $DISPLAY
:0.0

dfrei · November 23, 2016, 5:41pm

I had a similar problem but after adding the symlinks gstreamer seems to have some issues by displaying warning messages like the following ones:

(gst-launch-1.0:9620): GStreamer-WARNING **: Invalid caps feature name: \u0010
(gst-launch-1.0:9620): GStreamer-WARNING **: Invalid caps feature name: 0\u000c2\xab\xa0\u0012\u0011

Does anyone else have experienced the same or does anyone have an explanation why this is happening?

The C program I run basically reads a rtsp videostream, does some image processing using opencv and displays the result using ximagesink. The module has been shutdown / restarted several times without any issues until last time: after powering on the Apalis TK1 module the monitor showed only the last lines of the dmesg.
Searching for possible causes/solution brought me to this post, which fixed the issue of not displaying the graphical interface (lxdm) but introduced the above mentioned gstreamer problem.

Environment:

Apalis-TK1 module with preloaded 2.6 Beta

Installed following libs / dependencies:

opkg install libopencv-core2.4 libopencv-imgproc2.4 libopencv-video2.4 libopencv-highgui2.4
opkg install gstreamer1.0-plugins-good-rtsp

marcel.tx · November 23, 2016, 6:46pm

Hijacking an old thread like that is not recommended. Please create a new question. Thanks!