[Bug 96781] [skl dp-mst] oops in atomic commit

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96781

--- Comment #30 from willma <willmyalex at gmail.com> ---
(In reply to Daniel Vetter from comment #27)

> This patch will _not_ fix the WARNING backtrace, but it should fix the
> Oops/hard-hangs of the driver. Looking at dmesg, only the WARNING is left.
> Can you pls confirm that the hard hangs (not the long delays when vt
> switching or similar) are gone?

I am currently using drm-tip with your patch applied and my system hangs a
couple seconds while booting and when switching modes but I did not experience
any hard hangs or crashes as I did with kernel 4.8.

I still have this line im my dmesg though:

[drm:drm_atomic_helper_commit_cleanup_done [drm_kms_helper]] *ERROR*
[CRTC:34:pipe B] flip_done timed out

Is this what you mean by WARNING?

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