Date: Sun, 13 Jul 2008 14:01:35 +0200 From: Zbigniew Baniewski <zb@ispid.com.pl> To: doc@FreeBSD.org Subject: "FreeBSD Handbook": 5.4 X11 Configuration Message-ID: <20080713120134.GA5599@sarge.my.own.domain.no-net>
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Hallo, I would to suggest to add information about configuration using RandR. I had much trouble lately finding out, why my well-tested configuration isn't working anymore - until I've learned, that newer versions of video drivers were designed especially to utilize RandR during video configuration, and because of this some functionality (f.e. "panned virtual screen") are (temporarily?) lost. It should be stressed, that RandR isn't just a tool to check-out available video-modes, but the quite new way to configure video, which supposingly required serious changes in video drivers. http://www.thinkwiki.org/wiki/Xorg_RandR_1.2 And f.e. http://lists.freedesktop.org/archives/xorg/2008-March/034166.html #v+ The radeon driver got xrandr 1.2 support. Previous versions of the driver assumed one monitor per driver instance while with xrandr you may have several monitors. With xrandr it is much more important to get mode information about each monitor since you may have two or more monitors connected with vastly different capabilities. The previous version of the driver more or less always assumed a monitor was connected and forced whatever mode you specified. You can still do this, but as you see, the configuration has changed a bit. This page should give you a good overview: http://www.intellinuxgraphics.org/dualhead.html #v- -- pozdrawiam / regards Zbigniew Baniewski
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