KWin no longer compositing?

Kostik Belousov kostikbel at gmail.com
Sat Oct 29 09:34:17 UTC 2011


On Sat, Oct 29, 2011 at 07:56:36PM +1100, Lawrence Stewart wrote:
> On 10/29/11 19:47, Kostik Belousov wrote:
> >On Sat, Oct 29, 2011 at 07:24:52PM +1100, Lawrence Stewart wrote:
> >>On 10/24/11 19:05, Andriy Gapon wrote:
> >>>on 24/10/2011 07:07 Greg Lewis said the following:
> >>>>So it seems like even the newest version we support in ports is an
> >>>>antique :(.  I'm going to guess upgrading it is not going to be easy.
> >>>
> >>>Almost trivial in a sense.
> >>>I've been using xorg-dev for quite a while and it works great (for me).
> >>>Mesa is
> >>>at 7.11 in those ports.
> >>>
> >>>http://trillian.chruetertee.ch/ports/wiki
> >>>
> >>
> >>I too no longer have compositing in KDE 4.7.2 where I used to with
> >>4.6.x. Is there a technical reason the newer MESA hasn't been merged
> >>into mainline ports? Or is it purely a manpower thing?
> >
> >There is newer Mesa in xorg-dev. See the instructions at
> >http://miwi.bsdcrew.de/2011/02/cft-xorg-7-5-miwi1-freebsd-edition/
> 
> Thanks for the pointer.
> 
> >There is a rat nest of the system dependencies and ddx/xorg server
> >versions that makes the update really tricky. Until GEMified i915.ko
> >is not committed to the src/, the Intel GPUs will not work, I believe.
> >Also, it seems that Mesa 7.11 is the last release that will work
> >for Radeon DRM that lacks TTM and execution support.
> 
> I use Radeon so I guess it's an interim update which will get things 
> going in the short term followed by hoping someone capable of doing the 
> TTM support for it comes forward. Do you have a feel for just how much 
> time would be involved in doing the required work to get the radeon 
> driver up to scratch? Does your work for the Intel GPUs lay some common 
> groundwork which will reduce the work required to update other drivers 
> like radeon? (It is clear I have no concept about how all the moving 
> parts fit together or what's involved in getting all drivers into shape 
> for "the future" i.e. KMS).

I think 3-4 months is the reasonable estimation for bringing up both
TTM/execution and KMS for radeons. The KMS infrastructure is already
ported.

If somebody is interested in doing the Radeon driver proper, I may port
TTM.
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