drm unknown symbol upper_32_bits

Alex Deucher alexdeucher at gmail.com
Thu Jun 26 13:04:12 PDT 2008

On Thu, Jun 26, 2008 at 4:01 PM, Mohan Parthasarathy <suruti94 at gmail.com> wrote:
> Hi,
> When i load the drm.ko module in linux 2.6.20 (ubunutu Fiesty), i get the
> upper_32_bits unknown symbol error.
> I guess there is a dependency on specific version of the kernel ? I built
> the drm from the latest tree..

older kernels didn't have it, you can add this to the files in question:

#define upper_32_bits(n) ((u32)(((n) >> 16) >> 16))


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