Mailinglist Archive: radeonhd (265 mails)

[Alex Deucher <alexdeucher@xxxxxxxxx>]

On Sun, Nov 1, 2009 at 11:54 AM, Dave Witbrodt <dawitbro@xxxxxxxxxxxxx> wrote:
> Luca Tettamanti wrote:
> > On Sun, Nov 1, 2009 at 2:47 PM, Dave Witbrodt <dawitbro@xxxxxxxxxxxxx>
> > wrote:
> > > So, for RV770, is this because the in-kernel DRM does not yet support the
> > > experimental 3D acceleration for r700?
> > >
> > > I know that 'radeonhd' supports acceleration, and according to the
> > > "experimental_3D" wiki,
> > >
> > >   http://www.x.org/wiki/radeonhd%3Aexperimental_3D
> > >
> > > the "R6xx/R7xx mesa code from 6xx-rewrite branch has been merged to
> > > master,"
> > > so if I'm using Mesa 7.6 that piece of the puzzle should be OK as well,
> > > right?
> > >
> > > To play with 3D on my hardware, the wiki says "still need non-master drm
> > > from ~agd5f/drm r6xx-r7xx-3d branch."  The instructions explain how to
> > > build
> > > DRM modules, but also how to rebuild Mesa.  To get 3D on RV770, I would
> > > have
> > > to:
> > >
> > >   - build DRM from the r6xx-r7xx-3d branch
> >
> > I believe that the relevant stuff have been merged into libdrm master.
> >
> > >   - skip the wiki instructions about rebuilding Mesa (since I already
> > >     have Mesa 7.6)
> > >
> > > Does that sound right?
> >
> > Well no ;-) Debian libgl1-mesa-dri does not include r600 module
> > (Debian kernel does not yet include DRM driver for r600), so you have
> > to rebuild mesa.
> > Also note that current git kernel (and 2.6.32) contains the needed DRM
> > bits (more changes and fixes can be found in airlied's tree:
> > http://git.kernel.org/?p=linux/kernel/git/airlied/drm-2.6.git;a=summary,
> > branch drm-next)
>
> The fog is beginning to clear.  Thanks, Luca.
>
> Now, to recap:
>
> 1.  I have kernel 2.6.31 from git.kernel.org, but the DRM in that kernel
> cannot do 3D acceleration for RV770, so I have 2 choices:
>
>     A.  Build new kernel (2.3.32-rc*)
>  or B.  Build DRM using r6xx-r7xx-3d

yes.

> 2.  Mesa 7.6 from Debian unstable (late September) is missing parts I need
> for acceleration on RV770, so I must rebuild Mesa from the experimental
> branch... even though the wiki says support for r600-r700 has been merged?
>
> Is that correct?  (If not, I would rather avoid lots of unnecessary work!)

You need to build mesa from the 7.6 branch or master.

Alex
--
To unsubscribe, e-mail: radeonhd+unsubscribe@xxxxxxxxxxxx
For additional commands, e-mail: radeonhd+help@xxxxxxxxxxxx