Monitor not working after graphics card swap

R2leyser · 2022-08-28 15:49:51

I have 2 monitors, one hdmi one that is working correctly and one that is connected with a DP to VGA adaptor, the latter is only working until the boot verbose, when XORG starts it just goes black, stops recieving signal and I can't figure out why

here is my xorg log and xrandr commands
https://pastebin.com/JWBRRmEm

it might be worth mentioning that i went from the nouveau drivers to the latest amdgpu drivers

Last edited by R2leyser (2022-08-28 15:54:33)

seth · 2022-08-28 18:18:53

The DisplayPort output is active w/ 1366x768 @60Hz - is that resolution supported by the monitor behind the adapter?
Can you

xrandr --output DisplayPort-0 --mode 1024x768

?

R2leyser · 2022-08-28 18:29:22

Yes, the monitor does support that and that's what i used before it stopped working, also the command doesn't change anything

Last edited by R2leyser (2022-08-28 18:29:55)

R2leyser · 2022-08-28 18:40:19

should I try to set a 16:9 resolution instead of 16:10?

seth · 2022-08-28 18:57:04

1366x768 /is/ 16:9 and every monitor should™ support XGA, so that's unlikely the problem.
Does the output come back when you stop Xorg?
What does its OSD say about the used resolution at that point? (Alternatively don't start X11, in doubt see the 2nd link below)

Last but not least try to get rid of xf86-video-amdgpu and test the behavior w/ the modesetting driver.

R2leyser · 2022-08-28 19:21:56

so while doing that, i saw the message

 [drm:amdgpu_dm_init.isra.0.cold [amdgpu]] *ERROR* Failed to register vline0 irq 30!

does this have anything to do with my issue?

another note is that I installed the amdgpu drivers trying to fix this issue so they are also not causing it afaik

Last edited by R2leyser (2022-08-28 19:23:13)

R2leyser · 2022-08-28 19:31:23

Does the output come back when you stop Xorg?

no, it doesn't

R2leyser · 2022-08-28 19:48:57

 [drm:amdgpu_dm_init.isra.0.cold [amdgpu]] *ERROR* Failed to register vline0 irq 30!

this seems to be the issue, even when booting without Xorg it works until that message appears and then the non working monitor shuts down and the terminal appears on the hdmi one

edit: uninstalled the amdgpu drivers, still same issue so probably not that directly

Last edited by R2leyser (2022-08-28 19:58:42)

seth · 2022-08-28 20:51:34

https://bugzilla.kernel.org/show_bug.cgi?id=215892
What about the other error messages in that bug? Same?

https://gitlab.freedesktop.org/drm/amd/-/issues/1933 has it at "CONFIG_DRM_AMD_SECURE_DISPLAY=N", no idea whether "drm.vblankoffdelay=0" can help you w/o compiling the feature out of the kernel.

R2leyser · 2022-08-28 21:37:37

What about the other error messages in that bug? Same?

no, what i sent is the only error that popped up on dmesg

seth · 2022-08-29 06:17:43

Did you try adding "drm.vblankoffdelay=0" to the https://wiki.archlinux.org/title/Kernel_parameters ?

R2leyser · 2022-08-29 14:45:47

I just tried it and no luck, still the exact same error

Last edited by R2leyser (2022-08-29 14:46:26)

R2leyser · 2022-08-29 14:56:41

huh, i just had to boot from a live stick because grub had the uuid's changed for some reason and the problem still happens on the arch live boot

seth · 2022-08-29 15:02:26

Newer kernel on the new install iso?
If would seem that you need to compile a kernel w/ "CONFIG_DRM_AMD_SECURE_DISPLAY=N"

Arch Linux

#1 2022-08-28 15:49:51

Monitor not working after graphics card swap

#2 2022-08-28 18:18:53

Re: Monitor not working after graphics card swap

#3 2022-08-28 18:29:22

Re: Monitor not working after graphics card swap

#4 2022-08-28 18:40:19

Re: Monitor not working after graphics card swap

#5 2022-08-28 18:57:04

Re: Monitor not working after graphics card swap

#6 2022-08-28 19:21:56

Re: Monitor not working after graphics card swap

#7 2022-08-28 19:31:23

Re: Monitor not working after graphics card swap

#8 2022-08-28 19:48:57

Re: Monitor not working after graphics card swap

#9 2022-08-28 20:51:34

Re: Monitor not working after graphics card swap

#10 2022-08-28 21:37:37

Re: Monitor not working after graphics card swap

#11 2022-08-29 06:17:43

Re: Monitor not working after graphics card swap

#12 2022-08-29 14:45:47

Re: Monitor not working after graphics card swap

#13 2022-08-29 14:56:41

Re: Monitor not working after graphics card swap

#14 2022-08-29 15:02:26

Re: Monitor not working after graphics card swap

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