Bug 65329

Summary: [ILK IVB regression S3] *ERROR* dp_aux_ch not done status 0xa01500e1, dp aux hw did not signal timeout (has irq: 1)!
Product: DRI Reporter: shui yangwei <yangweix.shui>
Component: DRM/IntelAssignee: Intel GFX Bugs mailing list <intel-gfx-bugs>
Status: CLOSED FIXED QA Contact: Intel GFX Bugs mailing list <intel-gfx-bugs>
Severity: major    
Priority: medium    
Version: unspecified   
Hardware: Other   
OS: All   
Whiteboard:
i915 platform: i915 features:
Attachments:
Description Flags
dmesg: resume from S3, error messages none

Description shui yangwei 2013-06-04 06:51:41 UTC 
Created attachment 80265 [details]
dmesg: resume from S3, error messages

Environment:
-------------------
Kernel: (drm-intel-next-queued)d7697eea3eec74c561d12887d892c53ac4380c00
Some additional commit info:
Author: Daniel Vetter <daniel.vetter@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
Comment 1 Daniel Vetter 2013-06-04 07:46:00 UTC 
Does this work correctly on -nightly, but fail on -next-queued?
Comment 2 shui yangwei 2013-06-04 07:54:44 UTC 
(In reply to comment #1)
> Does this work correctly on -nightly, but fail on -next-queued?

This issue also exists on -nightly.
Comment 3 Chris Wilson 2013-06-07 18:15:28 UTC 
Believed to be the jiffy wait fixes.
Comment 4 shui yangwei 2013-06-27 01:52:02 UTC 
(In reply to comment #3)
> Believed to be the jiffy wait fixes.

In this round testing, this issue disappeared, I verified it here.
Comment 5 Jari Tahvanainen 2016-10-03 09:05:42 UTC 
Closing Verified+Fixed.

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