Date: Mon, 22 Oct 2012 21:59:45 -0400 From: Justin Hibbits <chmeeedalf@gmail.com> To: matt <sendtomatt@gmail.com> Cc: freebsd-x11@freebsd.org, freebsd-ppc@freebsd.org Subject: Re: Does drm/dri currently work on PPC? Message-ID: <20121022215945.436873dc@narn.knownspace> In-Reply-To: <5085F595.4050609@gmail.com> References: <5083C719.1040109@gmail.com> <CAKLtBChswXj7HcZeC=SaJgMNDrZXu==DHFP5PW4wB9=ruKSWWA@mail.gmail.com> <20121021092136.20307802@narn.knownspace> <50846392.70007@gmail.com> <CAHSQbTC7SA8qiVGQi%2BfmsmzYBVQLR09Dmzhjk1Ev=srsufc_HQ@mail.gmail.com> <5085F595.4050609@gmail.com>
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On Mon, 22 Oct 2012 18:40:37 -0700 matt <sendtomatt@gmail.com> wrote: > On 10/22/12 10:27, Justin Hibbits wrote: > > On Sun, Oct 21, 2012 at 5:05 PM, matt <sendtomatt@gmail.com > > <mailto:sendtomatt@gmail.com>> wrote: > > > > On 10/21/12 06:21, Justin Hibbits wrote: > > > On Sun, 21 Oct 2012 06:09:23 -0400 > > > Michael Copeland <michael@kryptos-security.com > > <mailto:michael@kryptos-security.com>> wrote: > > > > > >> On Sun, Oct 21, 2012 at 5:57 AM, matt <sendtomatt@gmail.com > > <mailto:sendtomatt@gmail.com>> wrote: > > >> > > >>> Do we have working drm/dri for radeon on PowerPC? > > >>> > > >>> I saw some old stuff that implied it, and a recent-ish PR. > > >>> > > >>> Anyone have this working? Or did it work once? > > >>> > > >>> Matt > > >>> _______________________________________________ > > >>> freebsd-ppc@freebsd.org <mailto:freebsd-ppc@freebsd.org> > > mailing list > > >>> http://lists.freebsd.org/mailman/listinfo/freebsd-ppc > > >>> To unsubscribe, send any mail to > > >>> "freebsd-ppc-unsubscribe@freebsd.org > > <mailto:freebsd-ppc-unsubscribe@freebsd.org>" > > >>> > > >> Seems fine on a mini g4 with radeon 9200. > > >> _______________________________________________ > > >> freebsd-ppc@freebsd.org <mailto:freebsd-ppc@freebsd.org> > > mailing list > > >> http://lists.freebsd.org/mailman/listinfo/freebsd-ppc > > >> To unsubscribe, send any mail to > > "freebsd-ppc-unsubscribe@freebsd.org > > <mailto:freebsd-ppc-unsubscribe@freebsd.org>" > > > Haven't had any luck on a G4 tower with radeon9600, but last > > > I tried was over a year ago. Best I can say is try it :) > > > > > > - Justin > > > > > Thanks, I'll give it a try (g4 mdd/radeon 9000). I might be > > compiling for a bit, but I'll send any results. > > > > Matt > > > > > > Remember, sys/modules/drm is not built by default for PowerPC, so > > you'll have to manually build those. I don't know what else is > > needed. > > > > - Justin > > I am running CURRENT based on yesterday evening's CVS. > I built the drm modules: > cd /usr/src/sys/modules/drm && make && make install > This required setting NO_WERROR= and WERROR= in the makefiles for > radeon and r128. The errors are "value computed is not used". > The second fix required to get it to build was to make sure LINUX_DRM > gets undefined, this may result from my build process, but the undef > is ifdef'd for amd64. > > After the module is built "successfully" and installed, kldloading it > doesn't do anything, no drm0 created. > kldload radeon.ko creates a drm0, but Xorg immediately crashes when > loading the radeon driver, bringing down the entire system. > > I assume there is some endian-unsafe stuff in radeon and drm maybe? > My system is an AGP Radeon r200 on an MDD G4. > > Any ideas or anything I can do to help? > > Matt You're exactly where I was when I last tried. I didn't have the patience to look into it. I did read today, though, that NetBSD has working drm on PowerPC, so you can do some diffing with that codebase, or even try NetBSD on a spare partition to confirm. Beyond that, some ddb magic could help track down where the problem lies -- firewire cable and a spare machine come in quite handy for this type of thing, with dcons. Even getting a backtrace would be a good start to tracking down the bugs. DRM is something I want to get working on PowerPC, but it's low on my list (only so many hours in a day unfortunately), so I'm glad somebody is looking :) - Justin
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