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I tried the patch. The agpgart driver now loads and sets the apeture. When I
try to start X the video does not initialize properly and I get a black
screen. This is with an AIW Radeon 9700 Pro and a Gigabyte GA-7VAXP mother
board with a KT400 chipset.
- -Edward Killips
- -----Original Message-----
From: linux-kernel-owner@vger.kernel.org
[mailto:linux-kernel-owner@vger.kernel.org]On Behalf Of Brian Jackson
Sent: Saturday, February 15, 2003 10:35 PM
To: linux-kernel@vger.kernel.org; davej@codemonkey.org.uk;
brian@brianandsara.net
Subject: 2.5 AGP for 2.4.21-pre4
This is a poor attempt at a backport of the 2.5.61 AGP subsystem by someone
who doesn't know what he is doing and is in way over his head. That said,
are
there any "brave" souls out there that want to try this out with an AGP3
card
and 2.4.21pre4. I compile/boot tested it with an old ati card, but I don't
have an AGP 3.0 card/MB to test it on. I got into X and ran glxgears using
this kernel(I am using it to finish writing this email)
http://www.mdrx.com/brian/2.4.21-pre4-2.5agp.diff.gz
caveats:
agp has to be built in to the kernel (no modules)
I did the following:
copied the drivers/char/agp directory from 2.5.61
copied include/asm-*/agp.h from 2.5.61
copied include/linux/*agp.h from 2.5.61
made some changes to drivers/char/agp/Makefile
on line 619&635 of frontend.c changed remap_page_range to only have 4
arguments
line 705 generic.c changed SetPageLocked -->SetPageReserved
(not sure if this is right, but Locked doesn't exist in 2.4 and I thought
Reserved might work -- Let me know if this should be something else)
backend.c:241 & backend.c:263 commented references to 2.5 module stuff
(therefore this only safe to be built into the kernel for now, any ideas
what
I should use here instead?)
added some device id's to drivers/char/agp/agp.h from
2.5.61/include/linux/pci_ids.h
uninclude gfp.h & linux/page-flags.h from amd-k7-agp.c
What else I need to do:
change to old style module init stuff
This is nowhere near suitable for production use, but I would like some
people
that actually have AGP3 cards/MB's to try this out
- --Brian Jackson
P.S. All criticism is welcome even flaming since I am in a decent mood right
now
P.S.S. To Dave Jones -- I thought 2.5 had support for VIA chipsets & AGP3,
but
I only saw config options for the 7205/7505
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This archive was generated by hypermail 2b29 : Sun Feb 23 2003 - 22:00:24 EST