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#1 2024-10-29 16:19:36

gitterrost4
Member
Registered: 2024-10-29
Posts: 3

Display freezes until mouse moves when upgrading above Kernel 6.11.2

I have a Framework Laptop 16 with no graphics card extension, meaning it uses the on-chip graphics:

$ lspci | grep VGA
c1:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Phoenix1 (rev c2)
$ lscpu |grep Model\ name
Model name:                           AMD Ryzen 7 7840HS w/ Radeon 780M Graphics
 

Whenever I upgrade to a kernel version higher than 6.11.2 (I tested up to 6.11.5), my screen will not update unless I am moving the mouse. The problem is already visible when in the login screen (I am using X with lightdm as a login manager). I can type in the first character of my password and then it will freeze. I can continue typing and it will register the inputs, but the screen stays frozen until I move my mouse.

The problem persists after logging in. I usually don't use any compositor, but when I start one such as picom, the problem will go away. I don't want to be forced to use a compositor though.

Downgrading the kernel back to 6.11.2 resolves the problem again.

I am not sure what logfiles would be helpful to post here.

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#2 2024-10-29 20:18:55

seth
Member
Registered: 2012-09-03
Posts: 59,061

Re: Display freezes until mouse moves when upgrading above Kernel 6.11.2

How close are you to https://bbs.archlinux.org/viewtopic.php?id=300233 wrt WM and colported solution workaround?

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#3 2024-10-30 08:06:35

gitterrost4
Member
Registered: 2024-10-29
Posts: 3

Re: Display freezes until mouse moves when upgrading above Kernel 6.11.2

That topic seems to be exactly the same as the one I have (I just wasn't able to find the post again). That's also where I had the picom workaround from.

I don't see anything related to colported on that post though. Can you specify what you mean here?

Otherwise I can close this topic and just attach myself onto the other one.

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#4 2024-10-30 08:23:59

seth
Member
Registered: 2012-09-03
Posts: 59,061

Re: Display freezes until mouse moves when upgrading above Kernel 6.11.2

Ah, I stopped reading before

but when I start one such as picom, the problem will go away

smile

That's the workaround colported on that thread, it just doesn't make a whole lot of sense.

The other thread wrote:

This is connected to the kernel. It was introduced in 6.11.3-arch1-1 and is still present in 6.11.4-arch1-1. 6.11.2-arch1-1 works fine, though.

commit e06b1962bc1b7bc1f8829efc3e5fd82021963ce2
Author: Tom Chung
Date:   Wed Jul 3 16:47:57 2024 +0800

    drm/amd/display: Fix VRR cannot enable
    
    [ Upstream commit f91a9af09dea850d83d4b217b8acbafd97b5c61f ]
    
    [Why]
    Sometimes the VRR cannot enable after login to the desktop.
    
    User space may call the DRM_IOCTL_MODE_GETCONNECTOR right after
    the DRM_IOCTL_MODE_RMFB.
    
    After calling DRM_IOCTL_MODE_RMFB to remove all the frame buffer
    and it will cause the driver to disable the crtc and disable the
    link while calling the link_set_dpms_off().
    
    It will cause the dpcd read failed in amdgpu_dm_update_freesync_caps()
    while try to get the DP_MSA_TIMING_PAR_IGNORED capability and think
    the sink side does not support VRR.
    
    [How]
    Use the dpcd_caps.allow_invalid_MSA_timing_param flag instead of
    reading from dpcd directly.
    
    dpcd_caps.allow_invalid_MSA_timing_param flag is updated during HPD.
    It is safe to replace the original method.
    
◉ grep -C1 picom /usr/share/drirc.d/00-mesa-defaults.conf                    
        </application>
        <application name="picom" executable="picom">
            <option name="adaptive_sync" value="false" />

Try to globally "export adaptive_sync=false" and/ro disable VRR w/ xrandr or xorg.conf.d/some.conf, https://wiki.archlinux.org/title/Variab … figuration

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#5 2024-11-01 10:19:47

csmnn
Member
Registered: 2017-05-10
Posts: 16

Re: Display freezes until mouse moves when upgrading above Kernel 6.11.2

I tried exporting adaptive_sync=false or setting it to false in an xorg.conf-drop-in-file. This did not change the situation.

This pointed me in the right direction though... while reading the wiki-pages for xorg and amdgpus, I stumbled onto the "tear free"-option. This is set to "auto" by default.

Executing

xrandr --output eDP --set TearFree on

or creating a drop-in-config for Xorg, doing the same thing on boot, makes the display behave normally again.

cat /etc/X11/xorg.conf.d/20-amdgpu.conf
Section "OutputClass"
     Identifier "AMD"
     MatchDriver "amdgpu"
     Driver "amdgpu"
     Option "TearFree" "true"
EndSection

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#6 2024-11-01 12:47:50

seth
Member
Registered: 2012-09-03
Posts: 59,061

Re: Display freezes until mouse moves when upgrading above Kernel 6.11.2

\o/
Please always remember to mark resolved threads by editing your initial posts subject - so others will know that there's no task left, but maybe a solution to find.
Thanks.


Edit: this doesn't do much other than the compositor, though hmm

Last edited by seth (2024-11-01 12:48:42)

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#7 2024-11-15 21:55:25

gitterrost4
Member
Registered: 2024-10-29
Posts: 3

Re: Display freezes until mouse moves when upgrading above Kernel 6.11.2

This does not solve my issue. When I try executing the xrandr command (switching out "eDP" with "eDP-1" in my setup), I get the following error:

$ xrandr --output eDP-1 --set TearFree on
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:  46
  Current serial number in output stream:  46

EDIT: I don't think I am using the amdgpu driver though. At least I don't have xf86-video-amdgpu installed, as the wiki recommends installing mesa instead.

Last edited by gitterrost4 (2024-11-15 21:56:25)

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#8 2024-11-15 22:05:08

seth
Member
Registered: 2012-09-03
Posts: 59,061

Re: Display freezes until mouse moves when upgrading above Kernel 6.11.2

Sorry, confused csmnn for the OP
The setting will only work w/ xf86-video-amdgpu

Wrt

I tried exporting adaptive_sync=false or setting it to false in an xorg.conf-drop-in-file. This did not change the situation.

Make sure to export that somewhere in /etc/profile.d/* as you need it to be picked up by the X11 server to do anything meaningful (and  "an xorg.conf-drop-in-file" is categorically wrong, this isn't how you set environment variables)

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