[HEADS UP] drm merged to -STABLE

[Robert Noland]

On Sat, 2009-01-10 at 18:54 +0100, Roland Smith wrote:
> On Sat, Jan 10, 2009 at 11:49:01AM -0500, Robert Noland wrote:
> > On Sat, 2009-01-10 at 10:01 -0500, Robert Noland wrote:
> > > I just merged drm (Direct Rendering) from HEAD.
> > > 
> > >         - Support for latest Intel chips
> > >         - Support and fixes for many AMD/ATI chips r500 and below
> > >         - Support AMD/ATI IGP based chips (rs690/rs485)
> > >         - Lots of code cleanups
> > >         - Lots of other fixes and changes since the existing drm
> > >           is 2+ years old
> > >
> > > If you are experiencing a "garbled" screen with certain pci/pci-e based
> > > radeons, I have another patch in HEAD that isn't included yet.
> > 
> > I decided to go ahead and fully sync to HEAD, so this should be resolved
> > as well.  This added:
> > 
> >         - Use bus_dma to allocate scatter/gather pages for pci GART.
> >           This fixes "garbled" screen issues on pci based radeons.
> >         - Prevent drm from attaching to secondary devices even if they
> >           have the the same pci id.
> 
> Do cards on the PCIE bus still need the agp device? It seems my r535
> (radeon X1650Pro) on the PCIE bus can allocate a GART without it. I have
> the agp module loaded, but there is no /dev/agpgart device. But if I try
> to unload the module, it says 'can't unload file: Device busy'.

Technically no, pci/pci-e based cards don't need AGP.  All of the Intel
chips do, as they emulate AGP in all cases.  The pci/pci-e radeons do
not need AGP at all, but I don't know of a way to conditionally require
the AGP module as a dependency in drm.  The other issue would be that
even if I could, it would probably end up with undefined symbols in drm
without agp loaded, even if it isn't used.

robert.

> Roland
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