Configuring

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Distribution Neutral Steps

Verifying | Configuring | Troubleshooting

aticonfig

Since version 8.18.6 the fglrx driver includes the aticonfig tool which simplifies xorg.conf editing. Here are some useful commands this tool offers (for a complete list see aticonfig --help).

Changes taking effect on startup

Changes will change the config file!

Initial setup (creates device section using fglrx)
sudo aticonfig --initial
Enable Video acceleration (Xv Overlay)
sudo aticonfig --overlay-type=Xv
Force fglrx to use kernel's AGP driver instead of own implementation (only use when internal agpgart doesn't work)
sudo aticonfig --internal-agp=off
  • Note: Newer fglrx driver versions do not include an internal AGPGART so the kernel agpgart is used no matter what.

Changes taking effect immediately

Changes will not change the config file.

Print information about power states.
aticonfig --list-powerstates

Or, for us lazy folk, the shorter version is aticonfig --lsp


Set a power state to the lowest (battery friendly)
aticonfig --set-powerstate=1
  • Note: check out available power states using aticonfig --list-powerstates
  • Note: this option does not work when an external monitor is connected


Print information about connected and enabled monitors
aticonfig --query-monitor


Examples how to enable two monitors on the fly
  • Assume you have two monitors already setup correctly (Dual monitor support at Ubuntuforums)
  • This example enable laptop internal monitor (lvds) and external monitor (crt1)
aticonfig --enable-monitor=lvds,crt1 --effective=now
  • Note: aticonfig --enable-monitor=STRING,STRING where STRING can be one of the following set, separated by commas: none,crt1,crt2,lvds,tv,tmds1,tmds2,auto. Only 2 displays can be enabled at the same time. Any displays that are not on the list will be disabled.
  • Note: check out connected and enabled monitors using aticonfig --query-monitor


Turn off the second monitor on the fly and start to use only laptop internal monitor (lvds)
aticonfig --enable-monitor=lvds --effective=now


Swap monitors on the fly when using big desktop mode
aticonfig --swap-monitor --effective=now
  • Note: This only works for big desktop setup. This will swap the contents on the two monitors.

Troubleshooting

Still not working? Go to the Troubleshooting page.

Distribution Neutral Steps

Verifying | Configuring | Troubleshooting