[Bug 90396] [HSW/BDW/BSW] monitors are all black screen after xinit + S3 when the monitors contain eDP and DP.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90396

--- Comment #11 from Ander Conselvan de Oliveira <conselvan2 at gmail.com> ---
Created attachment 116146
  --> https://bugs.freedesktop.org/attachment.cgi?id=116146&action=edit
Debug patch

The "CRTC fixup failed" line in the HSW log indicates
intel_crtc_compute_config() fails after resume. And that means the modeset is
aborted before the new pipe config is dumped to the log, which would give us a
clue as to why it failed.

Can you run the test again on HSW with this patch applied, and also with
"drm.debug=0x1e log_buf_len=4M" in the kernel command line?

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