[Bug 65329] New: [ILK Regression]Resume from S3: [drm:intel_dp_aux_ch] *ERROR* dp_aux_ch not done status 0xa01500e1

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=65329

          Priority: medium
            Bug ID: 65329
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [ILK Regression]Resume from S3: [drm:intel_dp_aux_ch]
                    *ERROR* dp_aux_ch not done status 0xa01500e1
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: major
    Classification: Unclassified
                OS: All
          Reporter: yangweix.shui at intel.com
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 80265
  --> https://bugs.freedesktop.org/attachment.cgi?id=80265&action=edit
dmesg: resume from S3, error messages

Environment:
-------------------
Kernel: (drm-intel-next-queued)d7697eea3eec74c561d12887d892c53ac4380c00
Some additional commit info:
Author: Daniel Vetter <daniel.vetter at ffwll.ch>
Date:   Sun Jun 2 17:23:01 2013 +0200

    drm/i915: optimize vblank waits in set_base_atomic

Description:
-------------------
When resume from S3, I find there's some error messages in dmesg. If bisect is
needed, please let me know. Thx. Detail errors list below:

[   23.804660] [drm:intel_dp_aux_wait_done] *ERROR* dp aux hw did not signal
timeout (has irq: 1)!
[   23.814666] [drm:intel_dp_aux_wait_done] *ERROR* dp aux hw did not signal
timeout (has irq: 1)!
[   23.824675] [drm:intel_dp_aux_wait_done] *ERROR* dp aux hw did not signal
timeout (has irq: 1)!
[   23.824677] [drm:intel_dp_aux_ch] *ERROR* dp_aux_ch not done status
0xa01500e1


Reproduce Steps:
-------------------
1. only eDP plugged in
2. reboot
3. S3
4. resume by push power button
5. checkout dmesg

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