On Fre, 2010-08-06 at 21:37 -0400, Alex Deucher wrote: > This enables writeback for the CP read pointer and > scratch regs on the remaining radeon asics.
This doesn't work on my PowerBook. AFAIR the CP writeback isn't reliable with at least older Apple AGP bridges and probably others as well, which is why in the non-KMS case we're using the direct PCI bus address instead of a GTT address. -- Earthling Michel Dänzer | http://www.vmware.com Libre software enthusiast | Debian, X and DRI developer _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/dri-devel
