Tinkerboard monitor resolution



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Tinkerboard (old one, not S) to be used as x2go thin client. Installed latest image (5.70_Tinkerboard_Ubuntu_bionic_next_4.19.14_desktop), applied all updates.
Working fine (thanks to everybody who contributed).

Issue remaining: My Tinkerboard refuses to use the monitor's native display size of 1920x1200, tried several monitors and cables (HDMI to DVI adapter cables, in case this is relevant). Without any modifications, Armbian desktop comes up with 1280x960. I used xrandr to set 1920x1080 (works), but 1920x1200 leads to "xrandr: Configure crtc 0 failed".

Any chance to resolve this?

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I have same problem. You have two ways:


1. Try set timings manualy. Find in /var/log/Xorg.0.log right modeline and add it to xrandr. 

xrandr --newmode "1920x1200_cvt"  193.25  1920 2056 2256 2592  1200 1203 1209 1245 -hsync +vsync
xrandr --addmode HDMI-1 "1920x1200_cvt"
xrandr --output HDMI-1 --mode "1920x1200_cvt"

# if not working - GTF
xrandr --newmode "1920x1200_gtf"  193.16  1920 2048 2256 2592  1200 1201 1204 1242  -HSync +Vsync
xrandr --addmode HDMI-1 "1920x1200_gtf"
xrandr --output HDMI-1 --mode "1920x1200_gtf"

# or you can find right timings in /var/log/Xorg.0.log


2. If not working - try my pull request for 4.4 kernel: https://github.com/armbian/build/pull/1317

Edited by Azq2
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