https://bugs.freedesktop.org/show_bug.cgi?id=111846
Bug ID: 111846
Summary: Suspend to RAM cause screen to glitch on navi10
Product: DRI
Version: XOrg git
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: NEW
Severity: normal
Priority: not set
Component: DRM/AMDgpu
Assignee: dri-devel@lists.freedesktop.org
Reporter: yshu...@gmail.com
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
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