[Bug 104021] [IGT] kms_fbcon_fbt subtest psr-suspend, failed with assertion: ret == 0 / rtcwake failed with 1

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=104021

--- Comment #3 from Chris Wilson <chris at chris-wilson.co.uk> ---
The cause are these:

[ 5848.795813] [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]]
*ERROR* [CRTC:37:pipe A] flip_done timed out

it takes longer for the device to suspend due to various timeouts than the
wakeup delay. That gets reported as an error from suspend_via_rtcwake.

Now the root cause is whatever is causing the modeset timeouts.

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