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Re: HEADS UP: riastradh-drm2 branch merged
On 2014-03-20, at 6:27 PM, David H. Gutteridge wrote:
> On Tue, 18 Mar 2014 at 19:17:01, Taylor R Campbell wrote:
>> I merged the riastradh-drm2 branch to HEAD today. This shouldn't
>> cause any problems for anyone, because it touched very little outside
>> sys/external/bsd/drm2 -- it's not hooked into any kernels other than
>> the new amd64/DRMKMS one. But let me know if you observe any fallout.
>> Update to userland X.org should be coming soon, so that userlands can
>> take advantage of the new DRM/KMS drivers.
> I doubt I'm telling you anything you don't already know, but I tried
> compiling a DRMKMS kernel for both amd64 and i386 to test, and
> neither compiled.
> With i386, I hit this first:
> In file included from
> /usr/builds/netbsd-current/src/sys/external/bsd/drm2/include/linux/pci.h: In
> function 'pci_bus_alloc_resource':
> error: large integer implicitly truncated to unsigned type
> *** [drm_agpsupport.o] Error code 1
> I realize you only provided an amd64 kernel, the implication being
> i386 might not yet be supported, but I tried it anyway, as the machine
> I'd test with isn't capable of running 64-bit code.
> From looking at the code, it's clear you're already aware of the
> issue, given your "XXX" notation.
> error = bus_space_alloc(bst, start, 0xffffffffffffffffULL /* XXX */,
> size, align, 0, 0, &resource->start, &resource->r_bsh);
If this is of interest to anyone, I opened a PR detailing some issues
that prevent this code from being used on i386. (The PR is 48676.)
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