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Opened by Daniel@dbacc

AMDGPU(0): failed to set mode: No space left on device

Hi,

I have troubles using my Thinkpad T14 (AMD version) with a Lenovo USB-C Gen 2 Dock and a 4K display at 60Hz connected via either HDMI or DP. Firmware of the dock and BIOS are up to date. At 30Hz there are no complaints and also when directly connected to the notebook via HDMI 4K@60Hz works fine. The setup also works flawlessly under Windows.

Here is my xrandr output:

xrandr -q
Screen 0: minimum 320 x 200, current 6720 x 2160, maximum 16384 x 16384
eDP connected primary 2880x1620+3840+0 (normal left inverted right x axis y axis) 309mm x 174mm
   1920x1080     60.03*+
   1680x1050     60.03  
   1280x1024     60.03  
   1440x900      60.03  
   1280x800      60.03  
   1280x720      60.03  
   1024x768      60.03  
   800x600       60.03  
   640x480       60.03  
HDMI-A-0 connected (normal left inverted right x axis y axis)
   3840x2160     60.00 +  50.00    59.94    30.00    30.00    25.00    24.00    29.97    23.98  
   2560x1440     59.95  
   1920x1200     60.00  
   1920x1080     60.00    60.00    59.94    30.00    24.00    29.97    23.98  
   1600x1200     60.00  
   1680x1050     60.00  
   1600x900      60.00  
   1280x1024     60.02  
   1440x900      60.00  
   1280x800      59.91  
   1280x720      60.00    59.94  
   1024x768      60.00  
   800x600       60.32  
   720x480       60.00    59.94  
   640x480       60.00    59.94  
DisplayPort-0 disconnected (normal left inverted right x axis y axis)
DisplayPort-1 disconnected (normal left inverted right x axis y axis)
DisplayPort-2 disconnected (normal left inverted right x axis y axis)
DisplayPort-3 connected (normal left inverted right x axis y axis)
   3840x2160     60.00 +  30.00  
   2560x1440     59.95  
   1920x1080     60.00    59.94  
   1600x900      60.00  
   1280x1024     60.02  
   1280x800      59.81  
   1280x720      60.00    59.94  
   1024x768      60.00  
   800x600       60.32  
   720x480       60.00    59.94  
   640x480       60.00    59.94  
DisplayPort-4 disconnected (normal left inverted right x axis y axis)

However, when I issue xrandr --output DisplayPort-3 --mode 3840x2160 --rate 60 --output eDP --auto --scale 1.5x1.5 I get xrandr: Configure crtc 1 failed.

Looking in the Xorg.0.log I see a few errors:

[  1931.629] (EE) AMDGPU(0): failed to set mode: No space left on device
[  1931.780] (EE) AMDGPU(0): drmmode_do_crtc_dpms cannot get last vblank counter
[  1931.913] (EE) AMDGPU(0): drmmode_do_crtc_dpms cannot get last vblank counter

The full log is attached.Xorg.0.log

dmesg shows

[ 2006.147020] [drm:mod_hdcp_add_display_to_topology [amdgpu]] *ERROR* Failed to add display topology, DTM TA is not initialized.
[ 2006.147025] [drm] [Link 0] WARNING MOD_HDCP_STATUS_FAILURE IN STATE HDCP_UNINITIALIZED STAY COUNT 0

I'm happy to provide any other debug output.

Edited by Daniel