On Mon, May 11, 2020 at 4:41 PM John Paul Adrian Glaubitz <glaubitz@xxxxxxxxxxxxxxxxxxx> wrote: > > On 5/11/20 10:05 PM, Alex Deucher wrote: > >>> For Nouveau I'm not 100% sure, but from the code it of hand looks like we can do it similar to Radeon. > >>> > >>> Please comment what you think about this. > >> > >> I would be against such a move as AGP graphics is still used by people running the powerpc > >> and ppc64 Debian ports on their vintage hardware [1]. > >> > >> I have also CC'ed the debian-powerpc mailing list so that other users can voice their > >> opinion. > > > > Note there is no loss of functionality here, at least on radeon > > hardware. It just comes down to which MMU gets used for access to > > system memory, the AGP MMU on the chipset or the MMU built into the > > GPU. On powerpc hardware, AGP has been particularly unstable, and > > IIRC, AGP has been disabled by default on radeon on powerpc for a > > while. > Do you have a code reference at hand for this bit of information (AGP > being disabled on Macs)? It was disabled 2 years ago: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=037d1a66ae640ca2723f47c0115ffa9e603699b3 Alex > > Thanks, > Adrian > > -- > .''`. John Paul Adrian Glaubitz > : :' : Debian Developer - glaubitz@xxxxxxxxxx > `. `' Freie Universitaet Berlin - glaubitz@xxxxxxxxxxxxxxxxxxx > `- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
