Subject: Re: mapping PCI memory
To: Emmanuel Dreyfus <manu@netbsd.org>
From: Bill Studenmund <wrstuden@netbsd.org>
List: tech-kern
Date: 01/01/2004 18:25:36
--ibTvN161/egqYuK8
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable
On Thu, Jan 01, 2004 at 04:10:39PM +0100, Emmanuel Dreyfus wrote:
> matthew green <mrg@eterna.com.au> wrote:
>=20
> > what exactly are you wanting to do here? we're going to need card-spec=
ific
> > drivers for getting DRM/DRI working with XFree86 (they already exist in=
the
> > XFree86 4.x tree - we don't have to write them, only port them.)
>=20
> I need to map all the memory of the video board into a user process. On
> macppc, it's only possible to map the memory used by the framebuffer,
> which is just a part of the whole VRAM.
Manuel is right, this should be in the driver. If you need to map more=20
than can be mapped now, we need to change the video driver.
Take care,
Bill
--ibTvN161/egqYuK8
Content-Type: application/pgp-signature
Content-Disposition: inline
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.2.3 (NetBSD)
iD8DBQE/9NagWz+3JHUci9cRApxlAJ9ugrAI1TUAHWb52tk3K/E8bjp9YgCfezo5
WHFxnHl3qgyvsTfolbiWdPY=
=neFk
-----END PGP SIGNATURE-----
--ibTvN161/egqYuK8--