Am 21.02.2018 um 10:23 schrieb Bas Vermeulen: > On Wed, Feb 21, 2018 at 10:14 AM, Christian König > <ckoenig.leichtzumerken at gmail.com > <mailto:ckoenig.leichtzumerken at gmail.com>> wrote: > > Am 21.02.2018 um 10:06 schrieb Michel Dänzer: > > On 2018-02-21 09:49 AM, Bas Vermeulen wrote: > > Hi, > > I am unsure if this is the right place to ask, but it > seems relevant. > > > Well this list is certainly the right place to ask :) > > > That's what I was hoping for :) > > > I am trying to use an AMD E8860 (SI) board connected to an > E6500 PowerPC > board (T2080RDB from NXP). > The T2080RDB does not use a BIOS, and uses u-boot to > bootstrap Linux. > > I have the E8860 connected to a PCIe x4 slot with an > adapter. The kernel > is a 4.1, with DRM included in the kernel and the radeon > as a module. > The radeon driver detects the card, notices the BIOS > hasn't posted and > starts things up. > After that, the ring tests get run, and fails on the ring > 0 test, > disabling acceleration. The graphics card is (or seems to > be) working > apart from that, the driver starts up and sees the > connectors on the board. > > When I compare dmesg on an x86 machine and the PPC > machine, I see that > the x86 machine loads a lot more firmware from the kernel > (probably the > acceleration parts?). > > FWIW, that's probably just a subsequent symptom due to the > ring test > failure. > > > Could be, but IIRC we load all the firmware first then initialize > things and then do the ring tests when we try to start the rings. > > BTW: What driver are you using? radeon or amdgpu? > > > This is a south-island or sea-island chip, so using radeon. Well SI is also supported by amdgpu, I would give that a try as well. And BTW please try a more recent kernel as well, 4.1 is rather old. > > My question is, what do I need to do to correctly > initialize the E8860 > board on my powerpc machine? > > Start by sharing the dmesg output, and maybe also the kernel build > configuration file. > > > Maybe also open a bug report to attach the dmesg, see > bugs.freedesktop.org <http://bugs.freedesktop.org>. > > > Sure. What project does the radeon driver fall under? I couldn't find > the right category under Mesa, not sure what > to file it under. Product DRI and then select DRM/Radeon as component. Christian. > > Bas Vermeulen -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://lists.freedesktop.org/archives/amd-gfx/attachments/20180221/9467acb8/attachment-0001.html>
