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I've recently installed arch and am fairly inexperienced with linux in general. I'm attempting to set up arch to work with my TV, however, it seems to be overscanning, and therefore cropping about an inch from each side of the screen.
I've been scowering the forums and this doesn't seem to be an uncommon problem, however, none of the solutions posted have helped.
This is what I've tried:
xrandr --output HDMI3 --set underscan onHowever, this was the ouput:
X Error of failed request: BadName (named color or font does not exist)
Major opcode of failed request: 140 (RANDR)
Minor opcode of failed request: 11 (RRQueryOutputProperty)
Serial number of failed request: 45
Current serial number in output stream: 45I've seen other people who have had this problem, none of which have posted a solution.
I'm using xf86-video-intel as my driver. Also, my tv does not have a "PC-mode" option or any built in option to correct over scanning.
Any help would be appreciated.
Edit:
I've been experimenting with
xrandr --output HDMI3 --transform 1,0,-50,0,1,-30,0,0,1Which brings the top bar into view, and aligns the left side, but the right side is not in view. I've been fiddling with the transformation matrix, but setting the first 1 to something like 0.9 or 1.1 doesn't seem to affect how the top bar is actually rendered.
Solution:
In the end I decided to run
xrandr --output HDMI3 --set audio force-dvi --mode 1920x1080at startup. Edit /etc/gdm/Init/Default if running GDM for login manager. I placed mine at the top.
I don't believe the --mode switch is necessary. This does disable audio through the HDMI, however I have my speakers now connected through the audio port on my motherboard, and audio works great. Audio through all means but HDMI (that I tested) worked flawlessly.
Last edited by cplusplus (2014-08-05 22:45:13)
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On some TVs the option for disabling overscan is not a setting of it's own but instead in the list of ratios for your input, e.g. 4:3/16:9/16:10/no_overscan (or PC).
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On some TVs the option for disabling overscan is not a setting of it's own but instead in the list of ratios for your input, e.g. 4:3/16:9/16:10/no_overscan (or PC).
Unofrtunately, it doesn't look like my tv has this in its options. i also checked the output of xrandr -q and there is nothing of the sort.
Thanks for the suggestion though!
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I've continued doing research and I found something to fix the resolution, however, I lose all audio output.
xrandr --output HDMI3 --set audio force-dvi --mode 1920x1080Any ideas on how to use this, but keep my audio functional?
Edit:
Found out why...
https://bugs.freedesktop.org/show_bug.cgi?id=40748
Last edited by cplusplus (2014-08-04 14:26:02)
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Did you try to hack it?
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Did you try to hack it?
I'm not sure if I know what you mean...
My current plan of action is to use the command above, and then transfer audio through another device. My speakers are bluetooth, and I've tested - Audio does come through when they are connected via bluetooth instead of transferring audio through the TV's HDMI.
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I meant the 'force-dvi' switch value from the link you posted. Maybe I misunderstood it, does 'xrandr --output HDMI3 --mode 1920x1080' work for you or is the set audio switch necessary?
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The --set audio force-dvi is what fixes the overscan issue. However when this switch is set audio is no longer passed through hdmi.
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That, I did understand. So this switch does two things, maybe you could figure out the piece of code responsible and leave audio enabled, should it be possible. There was a link referring to the hdmi audio/video standard, so it might not be possible, I have not read it entirely. That was my suggestion for the hack.
Should you however go the other route with audio over external ways, then I think this issue, at least in it original form, is solved, so please mark the thread as such.
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