Micro-Stuttering Issue on Fedora with HP Envy (AMD)

[500error (Nick S)]

Found a “solution” that doesn’t require lowering refresh. I updated it and did a simple test - youtube video played without stuttering at 120hz.

Laptop Screen Glitching at 120 Hz Refresh Rate

After a deeper research, I found a workaround on the AMD GPU community reported issues repository in this thread. To some things up, you can solve this by adding amdgpu.dcdebugmask=0x10 to the kernel parameter. To do that, follow the steps: sudo nano /etc/default/grub # Open the grub config file Append amdgpu.dcdebugmask=0x10 to the string literal on the GRUB_CMDLINE_LINUX line sudo grub2-mkconfig -o /boot/efi/EFI/fedora/grub.cfg # Update grub with the new configs Reboot your machine To draw…

This amdgpu.dcdebugmask=0x10 is all over the place on forums with people having the same problem.