Excellent work would be me figure out how to fix it :) On Fri, Feb 5, 2016 at 1:59 PM, Mike <michael.hel...@gmail.com> wrote:
> Excellent work! > > On 5 February 2016 at 19:46, Herminio Hernandez, Jr. < > herminio.hernande...@gmail.com> wrote: > >> Yeah that is the thread I am on >> >> On Fri, Feb 5, 2016 at 1:44 PM, Mike <michael.hel...@gmail.com> wrote: >> >>> Thanks, found this now - >>> https://www.mail-archive.com/search?l=mesa-...@lists.freedesktop.org&q=subject:%22%5C%5BMesa%5C-dev%5C%5D+gallium+r300+driver+for+PowerPC%22&o=newest&f=1 >>> >>> >>> On 5 February 2016 at 18:08, Herminio Hernandez, Jr. < >>> herminio.hernande...@gmail.com> wrote: >>> >>>> Yeah the issue is with the driOpenDriver function at least that what I >>>> think from what I saw in gdb. >>>> >>>> On Fri, Feb 5, 2016 at 12:06 PM, Mike <michael.hel...@gmail.com> wrote: >>>> >>>>> True, a permanent patch was needed, but at least we are up and running >>>>> and can identify other issues.. In the thread with the patches it is >>>>> highlighted that the drivers are broken in the first place >>>>> >>>>> On 5 February 2016 at 17:51, Herminio Hernandez, Jr. < >>>>> herminio.hernande...@gmail.com> wrote: >>>>> >>>>>> I have already applied his patches on my PowerBook running Jessie to >>>>>> get accelerated graphics. However they are only a work around and not a >>>>>> real fix so they will be committed to mesa. >>>>>> >>>>>> On Fri, Feb 5, 2016 at 8:44 AM, Mike <michael.hel...@gmail.com> >>>>>> wrote: >>>>>> >>>>>>> Herminio, >>>>>>> >>>>>>> Ok, take a look at this. >>>>>>> https://github.com/threader/mesa-11.1.1-ppc-r300-debian or if on >>>>>>> stable maybe this is more fitting >>>>>>> https://github.com/threader/mesa-10.6.3-ppc-r300-debian - this only >>>>>>> fixes the issue for r300 on powerpc though. >>>>>>> >>>>>>> On 5 February 2016 at 14:32, Herminio Hernandez Jr. < >>>>>>> herminio.hernande...@gmail.com> wrote: >>>>>>> >>>>>>>> I have been experiencing the same thing with my iBook and >>>>>>>> PowerBook. >>>>>>>> >>>>>>>> Sent from my iPhone >>>>>>>> >>>>>>>> On Feb 4, 2016, at 8:47 PM, Mike <michael.hel...@gmail.com> wrote: >>>>>>>> >>>>>>>> Hi. >>>>>>>> Managed to get the Radeon R300 running on mesa 11.1.1 with an old >>>>>>>> 2013 patch from Michel Dànzer, next problem is of course enabling >>>>>>>> agpmode, >>>>>>>> running with pci-mode with radeon.agpmode=-1 works, but is of course >>>>>>>> slow, >>>>>>>> and seems to load the cpu a lot. >>>>>>>> >>>>>>>> Upon initial investigation i could not initially believe agp could >>>>>>>> be this this broken for this long, until i found this. >>>>>>>> "committed with Ben Skeggs on Feb 26, 2013" >>>>>>>> >>>>>>>> https://github.com/DespairFactor/bullhead/commit/650e1203c11354ba84d69ba445abc0efcfe3890a >>>>>>>> >>>>>>>> http://lxr.free-electrons.com/source/drivers/gpu/drm/nouveau/nouveau_agp.c?v=4.2 >>>>>>>> #ifdef __powerpc__ >>>>>>>> /* Disable AGP by default on all PowerPC machines for >>>>>>>> * now -- At least some UniNorth-2 AGP bridges are >>>>>>>> * known to be broken: DMA from the host to the card >>>>>>>> * works just fine, but writeback from the card to the >>>>>>>> * host goes straight to memory untranslated bypassing >>>>>>>> * the GATT somehow, making them quite painful to deal >>>>>>>> * with... >>>>>>>> */ >>>>>>>> if (nouveau_agpmode == -1) >>>>>>>> return false; >>>>>>>> #endif >>>>>>>> >>>>>>>> and now later this: >>>>>>>> >>>>>>>> https://github.com/torvalds/linux/blob/master/drivers/gpu/drm/nouveau/nvkm/subdev/pci/agp.c >>>>>>>> #ifdef __powerpc__ >>>>>>>> /* Disable AGP by default on all PowerPC machines for now -- At >>>>>>>> * least some UniNorth-2 AGP bridges are known to be broken: >>>>>>>> * DMA from the host to the card works just fine, but writeback >>>>>>>> * from the card to the host goes straight to memory >>>>>>>> * untranslated bypassing that GATT somehow, making them quite >>>>>>>> * painful to deal with... >>>>>>>> */ >>>>>>>> mode = 0; >>>>>>>> #endif >>>>>>>> >>>>>>>> All seems to point to serious issues had around the time of change >>>>>>>> to ums to kms and a serious regression hitting the linux kernel? No? >>>>>>>> >>>>>>>> Cheers >>>>>>>> -Mike >>>>>>>> >>>>>>>> _______________________________________________ >>>>>>>> Linuxppc-dev mailing list >>>>>>>> Linuxppc-dev@lists.ozlabs.org >>>>>>>> https://lists.ozlabs.org/listinfo/linuxppc-dev >>>>>>>> >>>>>>>> >>>>>>> >>>>>> >>>>> >>>> >>> >> >
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