[Bug 89631] [BSW] DP screen is black after resuming from S3/S4, if only DP connected

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89631

--- Comment #15 from Jeff Zheng <jeff.zheng at intel.com> ---
(In reply to David Weinehall from comment #13)
> I've tested with v61.4 too, without issues.
> 
> One thing: the bug title mentions S3/S4, but the bug reproduction steps only
> involves passing "mem" to /sys/power/state, which means only S3 is tested.
> 
> Is the bug title wrong, or is there a missing step somewhere?

If using V59, both S3 and S4 will cause this issue.
> 
> Also, I'd still need info on whether you can reproduce this from the command
> line, or if it's only in X (or, for that matter, vice versa)?
If using V59, both X and command line will cause this issue.

This is just FYI. with V61.3, I don't see this issue.

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