Radeon UMS and NEW_XORG

matt sendtomatt at gmail.com
Wed Feb 27 06:06:00 UTC 2013

On 02/26/13 13:08, Hannes wrote:
> Hi folks,
> I have just updated to NEW_XORG and with it received:
> xf86-video-ati-6.14.3_1
> This tries to do KMS and fails, which is expected behaviour. *However*
> this version should still be capable of UMS. How can I force it to use
> UMS? The Kernel and DRM are still capable of Radeon UMS, as is proven
> when using old Xorg.
> On Linux this has to do with the Kernel advertising modesetting (or not)
> and the Kernel-Parameter "nomodeset" deactivates modesetting (which is
> then detected by the driver). How can I achieve this with FreeBSD?
> Thank you for your help,
> Hannes
> P.S: Please don't tell me to just use the old XORG. I would like to work
> with the new stuff and the software should work. I would also like to
> experiment with the new TTM stuff, when I have the time, but UMS is
> basic for now (vesa sucks).
> P.P.S: on an unimportant sidenote: is there llvmpipe on FreeBSD?
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Is the drm option active on the port graphics/libdrm? It needs to be off.


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