The server-side DRI support defined frameBufferPhysicalAddress as a CARD32. This is wrong for 64-bit systems where the framebuffer could be mapped above 4G. The problem is that frameBufferPhysicalAddress is smack in the middle of the DRIInfoRec, and on LP64 systems changing it to a pointer will change the location of everything else in that struct.
The proposed fix is something like the patch in https://bugs.freedesktop.org/show_bug.cgi?id=3066 but with the additional step of bumping the major version number of libdri. Are there any other known LP64 issues in DRI we should be taking care of at the same time? We're allowed to break ABIs for this if it makes a cleaner solution. - ajax
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