On Wed, 2012-03-21 at 19:45 +0000, Florian Tobias Schandinat wrote: > I finally found where we started to discuss this issue, for reference > "sm501fb.c: support mmap on PPC440SPe/PPC440EPx" back in May 2010. > > The thing I don't remember is why we consider exporting the physical > address to userspace desirable (or even necessary). Fixing the generic > mmap would be trivial without breaking or adding any userspace ABI, I > think. Just adding those things to fb_info and adjusting fb_mmap > should > do the trick, shouldn't it?
For historical reasons, things like X or directfb used it. Modern X drivers shouldn't any more, but heh... Cheers, Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev