On Thu, 2006-09-28 at 09:22 +0200, Joel Dahl wrote: > On Thu, 2006-09-28 at 08:12 +0200, Joel Dahl wrote: > > On Wed, 2006-09-27 at 06:38 +0000, Eric Anholt wrote: > > > anholt 2006-09-27 06:38:54 UTC > > > > > > FreeBSD src repository > > > > > > Modified files: > > > sys/pci agp_i810.c > > > Log: > > > Add support for 945G/GM AGP chipsets. > > > > > > The key problem was that the aperture size detection using the MSAC bit > > > doesn't work -- the bit appears to be set even when it shouldn't be. > > > Linux > > > takes a different approach, testing for a bit of the GMADR > > > (PCIR_BAR(2)) being > > > set. However, as I don't think that's a safe way to test aperture > > > size, we > > > just allocate the resource and check its size. This also pointed out > > > that > > > agp_generic_attach hadn't been allocating our aperture resource, which > > > may > > > have caused problems in some cases. > > > > > > Also corrected is a minor copy-and-pasteo in an error case. > > > > Hmm, I have a HP NX7400 laptop with an Intel i945 chipset, and it's > > running a very fresh current (GENERIC, no changes made whatsoever). > > However, I see the following in my dmesg when I start X (I *think* it > > started appearing just after your commit to agp_i810.c): > > Ok, I can confirm that reverting back to revision 1.38 of agp_i810.c > fixes the problem.
Right, with no AGP support, you don't get DRM support, so you don't hit the path in the DRM with the witness warning. I'm not sure what to do about that warning yet :/ -- Eric Anholt [EMAIL PROTECTED] [EMAIL PROTECTED] [EMAIL PROTECTED]
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