device drm with PCIe?

[Eric Anholt]

On Fri, 2005-12-16 at 23:57 +0100, O. Hartmann wrote:
> Jung-uk Kim wrote:
> 
> >On Friday 16 December 2005 01:44 pm, O. Hartmann wrote:
> >  
> >
> >>Jung-uk Kim schrieb:
> >>    
> >>
> >>>On Thursday 15 December 2005 07:36 am, O. Hartmann wrote:
> >>>      
> >>>
> >>>>Normally 'device drm' is only useable in conjunction with 'device
> >>>>agp'. A lot of amd64 based boxes now use PEG slots for their
> >>>>graphics accelerators. Is it possible to utilize 'drm' with PCIe
> >>>>devices?
> >>>>        
> >>>>
> >>>Yes.  It should work, at least in theory. ;-)
> >>>
> >>>      
> >>>
> >>>>Does device agp has any effect on PCIe graphics accelerators?
> >>>>        
> >>>>
> >>>No.  You don't need it for PCI-Express controller.
> >>>      
> >>>
> >>Ok, but without AGP (device agp) in my kernel config file, I get a
> >>lot of errors while linking the kernel of missing agp_xxxxx
> >>routines (FreeBSD 6.0-STABLE/amd64). So, device drm alone seems to
> >>be useless (although in conjunction with device pci).
> >>    
> >>
> >
> >Did you try 'make clean; make cleandepend; make depend; make'?
> >  
> >
> 
> Doesn't work without device agp in kernel config file!
> 
> linking kernel
> drm_agpsupport.o(.text+0x22c): In function `drm_agp_info':
> : undefined reference to `agp_get_info'
> drm_agpsupport.o(.text+0x324): In function `drm_agp_acquire':
> : undefined reference to `agp_acquire'
> drm_agpsupport.o(.text+0x374): In function `drm_agp_release':
> : undefined reference to `agp_release'
> drm_agpsupport.o(.text+0x3cf): In function `drm_agp_enable':
> : undefined reference to `agp_enable'
> drm_agpsupport.o(.text+0x45b): In function `drm_agp_init':
> : undefined reference to `agp_find_device'
> drm_agpsupport.o(.text+0x4ed): In function `drm_agp_init':
> : undefined reference to `agp_get_info'
> drm_agpsupport.o(.text+0x534): In function `drm_agp_allocate_memory':

Correct, the DRM module requires AGP.

-- 
Eric Anholt                                     eta at lclark.edu
http://people.freebsd.org/~anholt/              anholt at FreeBSD.org
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 187 bytes
Desc: This is a digitally signed message part
Url : http://lists.freebsd.org/pipermail/freebsd-amd64/attachments/20051216/beb9e7f5/attachment.bin