Date: Fri, 26 Oct 2012 18:11:50 -0700 From: matt <sendtomatt@gmail.com> To: Andreas Tobler <andreast-list@fgznet.ch> Cc: freebsd-x11@freebsd.org, freebsd-ppc@freebsd.org, Albert Vest <alvest@brakiri.com>, Justin Hibbits <chmeeedalf@gmail.com> Subject: Re: Does drm/dri currently work on PPC? (SUCCESS!) Message-ID: <508B34D6.6000502@gmail.com> In-Reply-To: <508ADBBA.1060201@fgznet.ch> 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> <20121022215945.436873dc@narn.knownspace> <5089A6DB.9070904@brakiri.com> <5089DF27.9020803@gmail.com> <20121025213018.2bfa5068@narn.knownspace> <5089F799.9030507@gmail.com> <508A17C9.4030007@gmail.com> <508A9EBD.3080107@freebsd.org> <508ADBBA.1060201@fgznet.ch>
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On 10/26/12 11:51, Andreas Tobler wrote: > On 26.10.12 16:31, Nathan Whitehorn wrote: >> On 10/25/12 23:55, matt wrote: >>>> It was working without DRM "out-of-the-box". Of course I've made a >>>> mess >>>> trying different versions of both Xorg and the radeon driver. I'm >>>> in the >>>> process of getting back to the working config so I can be sure any >>>> test >>>> changes work/don't work. >>>> >>>> OpenBSD's mpi@ apparently did a lot recently over there getting DRM to >>>> work on the G4 mini. We already had about half of the commits I see at >>>> freshbsd, in one way or another...Our rmb/wmb() I think has had PPC >>>> barriers since earlier this year? He did #define __BIG_ENDIAN, which >>>> apparently was a big deal for the drm code (it's ifdef'd in a couple >>>> places), not sure if we are already doing that. >>>> If someone has a G4 radeon mini they could test to see if drm works >>>> for >>>> them or not, to rule out AGP issues (I guess they are PCI?). >>>> >>>> I'm not sure how the OpenBSD attachment process works vs ours, some of >>>> the other commits of note were related to passing the BAR and memory >>>> regions from the vgapci to drm. When I kldload drm after compiling it, >>>> it doesn't do anything...but if I kldload radeon.ko, it recognizes agp >>>> memory and being related to vgapci at the correct pci address...I'm >>>> not >>>> sure if we "are there" or not. I also didn't have DRM on OpenBSD >>>> either. >>>> >>>> I think if radeon had drm on *any* big-endian platform it should rule >>>> out endian issues in drm or radeon. Not sure if this is the case, I >>>> guess macppc would be the most likely. >>>> >>>> Matt >>> So I removed WITH_NEW_XORG, deinstalled a ton of ports, and reinstalled >>> Xorg. I rebuild drm with __BIG_ENDIAN defined (not sure if this >>> matters). I previously put a lot of WERROR= and NO_WERROR= into various >>> drm makefiles to get gcc to shut up about unused return values. X >>> -configure worked, and the xorg log indicates the drm device was >>> successfully opened and I have drm on PPC. >>> mesa-demos is marked broken for PPC, haven't tried glxinfo or >>> glxgears yet. >>> >>> The good news is it works! >>> The bad news: >>> -Cannot switch back to syscons, screen gets corrupted then the system >>> hard locks >>> -WITH_NEW_XORG breaks it somehow >>> >>> Thanks to mpi@openbsd.org, Justin & Nathan! >>> >>> Matt >>> _______________________________________________ >>> 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" >> >> Great to hear! I checked in some code to define __BIG_ENDIAN if needed >> in -CURRENT's drm (Linux uses a different number of underscores than we >> do for perverse reasons). > > Thank you very much all! > > I can confirm it works here too (G5 32-bit): > > [helium:~] andreast% dmesg |grep drm > drm0: <ATI Radeon AR 9600 XT> on vgapci0 > info: [drm] Initialized radeon 1.31.0 20080613 > info: [drm] Setting GART location based on new memory map > info: [drm] Loading R300 Microcode > info: [drm] Num pipes: 1 > info: [drm] writeback test succeeded in 1 usecs > > and glxgears gives around 1250FPS vs. 52FPS w/o dri. > > Andreas > > > Can you change consoles or exit X successfully? btw...issue "sync" a couple times first just in case :) Also, is that an AGP or PCIe G5? Thanks, Matt
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