Bug 111846 - Suspend to RAM cause screen to glitch on navi10
Summary: Suspend to RAM cause screen to glitch on navi10
Status: NEW
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/AMDgpu (show other bugs)
Version: unspecified
Hardware: x86-64 (AMD64) Linux (All)
: not set normal
Assignee: Default DRI bug account
QA Contact:
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Depends on:
Blocks:
 
Reported: 2019-09-27 23:36 UTC by Yuxuan Shui
Modified: 2019-10-18 21:04 UTC (History)
0 users

See Also:
i915 platform:
i915 features:


Attachments
dmesg (from suspend entry to exit) (14.64 KB, text/plain)
2019-10-02 01:18 UTC, Yuxuan Shui
no flags Details
Xorg.0.log (has a couple of suspension/hibernation) (106.35 KB, text/x-log)
2019-10-02 01:21 UTC, Yuxuan Shui
no flags Details

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Description Yuxuan Shui 2019-09-27 23:36:11 UTC
To reproduce:

1. have two monitors (not sure if necessary, also the two monitors i have have different resolutions)
2. suspend computer to ram
3. wake up computer
4. screen flickers

Observation:

1. set pp_dpm_mclk immediately fix the problem
2. after step 1, set power_dpm_force_performance_level to "auto", then the problem reappears.
3. flicker doesn't occur on vconsole

Software Versions:

This bug occurs on linux 5.3.0, xorg 1.20.5, mesa 19.3.0 40087ffc5b9
Comment 1 Alex Deucher 2019-10-01 14:48:49 UTC
Please attach your xorg log (if using X) and your dmesg output.
Comment 2 Yuxuan Shui 2019-10-02 01:18:01 UTC
Created attachment 145610 [details]
dmesg (from suspend entry to exit)
Comment 3 Yuxuan Shui 2019-10-02 01:21:31 UTC
Created attachment 145611 [details]
Xorg.0.log (has a couple of suspension/hibernation)
Comment 4 Yuxuan Shui 2019-10-18 21:04:17 UTC
Looks like this happens after a GPU reset as well.


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