Getting Nvidia hardware acceleration for Firefox on Manjaro - eitan-j/tech-journal GitHub Wiki

• Created new firefox profile nvidia-test
• will use nvidia-vaapi-driver
• pamac install libva-nvidia-driver

requires nvidia-drm.modeset=1

• cat /sys/module/nvidia_drm/parameters/modeset will tell if its on or not
• edit /etc/default/grub
• add nvidia-drm.modeset=1 to GRUB_CMDLINE_LINUX_DEFAULT
• grub-mkconfig -o /boot/grub/grub.cfg
• causes boot to fail with multiple monitors (solve later QwQ)

Change Firefox config

• Go to about:config in test profile
• change config according to docs

Environment variables

• prime-run env LIBVA_DRIVER_NAME=nvidia MOZ_DISABLE_RDD_SANDBOX=1 firefox -p nvidia-test

Troubleshooting

• I can't get firefox to use the card
• Giving up (for now)
• Set nvidia-drm.modeset=1