[Xorg] OT: radeon questions
michel at daenzer.net
Mon Jul 12 02:20:43 PDT 2004
On Mon, 2004-07-12 at 05:06 -0400, Gene Heskett wrote:
> I've added a 'modprobe radeonfb' to my rc.local but haven't yet
> rebooted. modprobing it while x is running (XFree86-4.3.2) resulted
> in severe screen damages that required several screen switches to
> fully recover,
Sure, that's a bad idea. You're lucky nothing worse happened.
> and it seems (subjectively) to be slower.
Must really be subjective, it shouldn't make any difference.
> glxgears is apparently not using it under these conditions, still in the
> 170-200 fps area. Thats essentiually a 'no change'.
radeonfb isn't related to the DRI at all. You're probably looking for
the radeon DRM, the kernel module is called just 'radeon'.
> Currently that portion of the lsmod output looks like this:
> [root at coyote drivers]# lsmod
> Module Size Used by
> radeonfb 56936 0
> cfbcopyarea 3904 1 radeonfb
> cfbimgblt 3008 1 radeonfb
> cfbfillrect 3712 1 radeonfb
> So its loaded but apparently not being used.
You'd have to map consoles to it or start the X server with Option
"UseFBDev" to change that. But it sounds like you don't really need
Earthling Michel Dänzer | Debian (powerpc), X and DRI developer
Libre software enthusiast | http://svcs.affero.net/rm.php?r=daenzer
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