[Openchrome-devel] [PATCH] TTM/GEM patch v2

James Simmons jsimmons
Mon Feb 7 10:42:31 PST 2011

> >> Anyway, no luck so far on my side, I get a oops in TTM. I've attached
> >> the relevant part of the kernel log. I'm still testing on a VX900, I've
> >> yet to prepare my other machines.
> >>
> >> Because of the above, it's not even going to VRAM probing, but anyway
> >> both VX900 and VX855 hostbridge support is missing and I guess VX800
> >> host bridge support is buggy. PCI_DEVICE_ID_VIA_VX800 is not the host
> >> bridge, but the correct pci device is not defined anyway. See
> >> 0002-Get-VRAM-from-VX900-and-VX855-Host-Bridge.patch
> > 
> > The agp code is such a pain. I uploaded a new patch which hopefully 
> > addresses this issue. Please try this patch.
> > 
> > http://www.infradead.org/~jsimmons/via-ttm.diff
> > 
> Thanks for the updated patch.
> The module is loading now, but fails to map the MMIO. Then the kernel
> oopses a short time after. Full log attached. I'm starting in runlevel 3
> then load the via driver manually, not even trying to start the X server.

The ttm backend is only defined for AGP. Looks like pci dma will have to 
be supported faster than I thought.

	I started the mode setting code this weekend. I figure it will 
take me a few weeks to get it up and running.

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