Skip to content
GitLab
Projects Groups Snippets
  • /
  • Help
    • Help
    • Support
    • Community forum
    • Submit feedback
    • Contribute to GitLab
  • Sign in / Register
  • A amd
  • Project information
    • Project information
    • Activity
    • Labels
    • Members
  • Repository
    • Repository
    • Files
    • Commits
    • Branches
    • Tags
    • Contributors
    • Graph
    • Compare
  • Issues 1,471
    • Issues 1,471
    • List
    • Boards
    • Service Desk
    • Milestones
  • Merge requests 0
    • Merge requests 0
  • CI/CD
    • CI/CD
    • Pipelines
    • Jobs
    • Schedules
  • Deployments
    • Deployments
    • Environments
    • Releases
  • Packages and registries
    • Packages and registries
    • Container Registry
  • Monitor
    • Monitor
    • Incidents
  • Analytics
    • Analytics
    • Value stream
    • CI/CD
    • Repository
  • Wiki
    • Wiki
  • Snippets
    • Snippets
  • Activity
  • Graph
  • Create a new issue
  • Jobs
  • Commits
  • Issue Boards
Collapse sidebar
  • drm
  • amd
  • Issues
  • #1638
Closed
Open
Issue created Jul 03, 2021 by daiaji@daiaji

I use RX550 and when I wake the PC from sleep, the screen becomes flickering.

Brief summary of the problem:

When I wake the PC from sleep, my monitor will keep flickering.

Hardware description:

  • CPU: AMD Ryzen 9 3900X 12-Core Processor
  • GPU: Sapphire Radeon RX 560
  • System Memory: 32GBs
  • Display(s): Acer VG271UP
  • Type of Diplay Connection: HDMI

System information:

  • Distro name and Version: Manjaro 21.1.0
  • Kernel version: 5.13.0
  • Custom kernel: No, official kernel
  • AMD package version: xf86-video-amdgpu, version 19.1.0-2

How to reproduce the issue:

Wake the PC from sleep.

Attached files:

dmesg.log

Xorg.log

Additional info:

The following methods mentioned in ArchWiki can temporarily solve the fault:

It is also possible to forbid the driver so switch to certain P-states, e.g. to workaround problems with deep powersaving P-states like flickering artifacts or stutter. To force the highest VRAM P-state on a Polaris RX 5xx card, while still allowing the GPU itself to run with lower clocks, run:

# echo "manual" > /sys/class/drm/card0/device/power_dpm_force_performance_level
# echo "2" >  /sys/class/drm/card0/device/pp_dpm_mclk

But it seems that I will lose GPU automatic power adjustment?And when I wake up from sleep again, my screen will still flicker.

The flicker caused by waking up from sleep is very similar to the flicker caused by using a command to quickly switch the VRAM frequency.

Sometimes I use the cat command to check the status of pp_dpm_mclk and find that the value of pp_dpm_mclk does change several times in one second.

This looks pretty wrong, doesn't it?

Edited Jul 07, 2021 by daiaji
Assignee
Assign to
Time tracking