[Bug 211425] [drm:atom_op_jump] *ERROR* atombios stuck in loop for more than 20secs aborting

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=211425

Andreas (icedragon.aw at web.de) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Kernel Version|5.11.12                     |5.12.12
           Severity|normal                      |high

--- Comment #17 from Andreas (icedragon.aw at web.de) ---
At least since kernel 5.12.11 I have a chance (not 100% reproducible) that the
screen does not recover! 

Keyboard partially not disabled, e.g. num-lock and caps-lock not working, but
magic SysRq key shortcuts still working.

Here are the last kernel messages (5.12.12) after the screens keeps black (did
not recover).:

Jun 23 19:31:24 localhost kernel: [255985.517110] [drm]
perform_link_training_with_retries: Link training attempt 1 of 4 failed
Jun 23 19:31:45 localhost kernel: [256006.097054] [drm:atom_op_jump] *ERROR*
atombios stuck in loop for more than 20secs aborting
Jun 23 19:31:45 localhost kernel: [256006.097061]
[drm:amdgpu_atom_execute_table_locked] *ERROR* atombios stuck executing B228
(len 3608, WS 8, PS 0) @ 0xB376
Jun 23 19:31:45 localhost kernel: [256006.097064]
[drm:amdgpu_atom_execute_table_locked] *ERROR* atombios stuck executing B11C
(len 268, WS 4, PS 0) @ 0xB16F
Jun 23 19:31:45 localhost kernel: [256006.097067]
[drm:dcn10_link_encoder_enable_dp_output] *ERROR*
dcn10_link_encoder_enable_dp_output: Failed to execute VBIOS command table!
Jun 23 19:31:45 localhost kernel: [256006.108713] [drm]
perform_link_training_with_retries: Link training attempt 2 of 4 failed

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