[Bug 106678] [CI] igt@* - dmesg-warn/fail - *ERROR* Potential atomic update failure on pipe [ABC]

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=106678

--- Comment #9 from Martin Peres <martin.peres at free.fr> ---
(In reply to Dhinakaran Pandiyan from comment #7)
> "drm/i915/psr: vbt change for psr" changed the exit link training time from
> 500 us to 2.5 ms on these machines. The frame counter is possibly stuck for
> a longer duration now and pipe_update_start() is not aware that the counter
> is stuck and warns.
> 
> We've been discussing this problem for some time now and the VBT change
> appears to have made it more likely to occur.
> 
> Related discussion can be found in the April email archives under:
> "[Intel-gfx] [RFC] drm/i915: Rework "Potential atomic update error" to
> handle PSR exit" 
> 
> I wish this was caught in pre-merge instead of these drm-tip runs.

The failure is still happening... If making a patch to fix this issue is taking
too long, why has this patch not been reverted yet?

We need to be more aggressive at keeping the bug count low...

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