[Bug 101518] [BAT][SKL] WARNING: no modes for connector 48 when running igt at kms_setmode@basic-clone-single-crtc

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101518

--- Comment #24 from Manasi <manasi.d.navare at intel.com> ---
Ok so this bug was mainly caused by the UAX timeouts seen on the panel and the
mdoe getting pruned because of that.
So this bug should be fixed because the patch series that prevents the AUX
timeouts got merged.
As a precaution, we should not prune the preferred mode on eDP.
I had submitted a patch for that as well:
https://patchwork.freedesktop.org/series/31102/
And I am stillw aiting to get some feedback on this since I really want to know
how to handle the case where the preferred mode cannot be handled by lowered
link rate and we don't prune it but then in the next modeset we get encoder
config failure since the requested BW > available BW.
What to do in that case?

Manasi

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