[Bug 25589] New: compiling nouveau kernel without AGP=y fails

[Bug 25589] New: compiling nouveau kernel without AGP=y fails

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

http://bugs.freedesktop.org/show_bug.cgi?id=25589

           Summary: compiling nouveau kernel without AGP=y fails
           Product: xorg
           Version: unspecified
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
        ReportedBy: xake-ca8b1Tj3MiseIZ0/mPfg9Q@public.gmane.org
         QAContact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org


Check out a nouveau kernel tree.
make allnoconfig
make *config and enable only the necessary things to enable DRM_NOUVEAU
make all

This will fail with:
  CC      drivers/gpu/drm/nouveau/nouveau_bo.o
drivers/gpu/drm/nouveau/nouveau_bo.c: In function
'nouveau_bo_create_ttm_backend_entry':
drivers/gpu/drm/nouveau/nouveau_bo.c:315: error: implicit declaration of
function 'ttm_agp_backend_init'
drivers/gpu/drm/nouveau/nouveau_bo.c:315: warning: return makes pointer from
integer without a cast
make[4]: *** [drivers/gpu/drm/nouveau/nouveau_bo.o] Error 1


To make ttm_agp_backend_init avaible and nouveau to actually compile you have
to enable AGP in the kernel also.

Should AGP be a reuirment or should the module just not try to use
ttm_agp_backend_init if AGP is unset?

I have currently no idea which role AGP plays in todays modern PCI-E computers
(or old PCI card) if any at all?


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[Bug 25589] compiling nouveau kernel without AGP=y fails

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=25589

Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |INVALID

--- Comment #1 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
It appears that this bug report has laid dormant for quite a while. Sorry we
haven't gotten to it. Since we fix bugs all the time, chances are pretty good
that your issue has been fixed with the latest software. Please give it a shot.
(Linux kernel 3.10.7, xf86-video-nouveau 1.0.9, mesa 9.1.6, or their git
versions.) If upgrading to the latest isn't an option for you, your distro's
bugzilla is probably the right destination for your bug report.

In an effort to clean up our bug list, we're pre-emptively closing all bugs
that haven't seen updates since 2011. If the original issue remains, please
make sure to provide fresh info, see http://nouveau.freedesktop.org/wiki/Bugs/
for what we need to see, and re-open this one.

Thanks,

The Nouveau Team

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