On Wed, Feb 21, 2018 at 10:06 AM, Michel Dänzer <michel at daenzer.net> wrote: > 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. > > > > 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. > Gotcha. > > 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. > Both are attached (gzipped because of size). The card gets initialized of a sorts, and there are no PCIE errors (using a slightly different setup for the PCIe controllers in my device-tree for the board results in PCIe errors being thrown). Bas Vermeulen -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://lists.freedesktop.org/archives/amd-gfx/attachments/20180221/972a4e27/attachment-0001.html> -------------- next part -------------- A non-text attachment was scrubbed... Name: defconfig.e8860.gz Type: application/x-gzip Size: 2941 bytes Desc: not available URL: <https://lists.freedesktop.org/archives/amd-gfx/attachments/20180221/972a4e27/attachment-0002.bin> -------------- next part -------------- A non-text attachment was scrubbed... Name: dmesg.e8860.gz Type: application/x-gzip Size: 12511 bytes Desc: not available URL: <https://lists.freedesktop.org/archives/amd-gfx/attachments/20180221/972a4e27/attachment-0003.bin>
