Debian 10 Mouse lagging

Question

I have installed Debian GNU/Linux 10 (buster) on my 4k laptop. All things are working fine. 4k resolution is also rendering fine only issue is that my mouse is lagging too much. What should I do to remove this lag. You can see the lagging in below image.

Graphics: Intel® HD Graphics 5500 (Broadwell GT2) / AMD® Oland

GNOME: 3.30.2

Answer 1

Check if there is direct rendering enabled.

glxinfo | grep 'direct rendering'

Check also Q&A here:

• https://askubuntu.com/questions/1038271/intel-amd-hybrid-graphics-ubuntu-18-04
• https://askubuntu.com/questions/791249/amd-intel-hybrid-graphics-on-ubuntu-16-04
• https://help.ubuntu.com/community/HybridGraphics
• https://wiki.archlinux.org/index.php/PRIME

Answer 2

I had the same issue. What fixed it for me was switching from Wayland to X11:

• Open /etc/gdm3/daemon.conf
• Uncomment the line

  WaylandEnable=false
  

• Reboot