<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Wed, Feb 21, 2018 at 10:31 AM, Michel Dänzer <span dir="ltr"><<a href="mailto:michel@daenzer.net" target="_blank">michel@daenzer.net</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><span class="gmail-">On 2018-02-21 10:18 AM, Bas Vermeulen wrote:<br>
> On Wed, Feb 21, 2018 at 10:06 AM, Michel Dänzer <<a href="mailto:michel@daenzer.net">michel@daenzer.net</a><br>
</span><span class="gmail-">> <mailto:<a href="mailto:michel@daenzer.net">michel@daenzer.net</a>>> wrote:<br>
><br>
> > My question is, what do I need to do to correctly initialize the E8860<br>
> > board on my powerpc machine?<br>
><br>
> Start by sharing the dmesg output, and maybe also the kernel build<br>
> configuration file.<br>
><br>
> <br>
> Both are attached (gzipped because of size).<br>
<br>
</span>It might be related to this:<br>
<br>
[ 10.482772] radeon: No coherent DMA available.<br>
<div class="gmail-HOEnZb"><div class="gmail-h5"><br></div></div></blockquote><div><br></div><div>I updated my device-tree to add incoming pcie ranges, and that removes this error:</div><div><br></div><div>[ 10.161044] [drm] radeon kernel modesetting enabled.</div><div>[ 10.165168] [drm] initializing kernel modesetting (VERDE 0x1002:0x6822 0x1002:0x031E).</div><div>[ 10.171799] radeon: No coherent DMA available.</div><div>[ 10.171831] [drm] register mmio base: 0x41000000</div><div>[ 10.171832] [drm] register mmio size: 262144</div><div>[ 10.411061] ATOM BIOS: E268</div><div>[ 10.412569] [drm] GPU not posted. posting now...</div><div>[ 10.441831] radeon 0002:01:00.0: VRAM: 2048M 0x0000000000000000 - 0x000000007FFFFFFF (2048M used)</div><div>[ 10.449408] radeon 0002:01:00.0: GTT: 1024M 0x0000000080000000 - 0x00000000BFFFFFFF</div><div>[ 10.455771] [drm] Detected VRAM RAM=2048M, BAR=256M</div><div>[ 10.459349] [drm] RAM width 128bits DDR</div><div>[ 10.462455] [TTM] Zone kernel: Available graphics memory: 1978634 kiB</div><div>[ 10.467688] [TTM] Initializing pool allocator</div><div>[ 10.470755] [TTM] Initializing DMA pool allocator</div><div>[ 10.474194] [drm] radeon: 2048M of VRAM memory ready</div><div>[ 10.477859] [drm] radeon: 1024M of GTT memory ready.</div><div>[ 10.481549] [drm] Loading verde Microcode</div><div>[ 10.500383] [drm] Internal thermal controller with fan control</div><div>[ 10.505048] [drm] probing gen 2 caps for device 1957:830 = 73f443/e</div><div>[ 10.522317] [drm] radeon: dpm initialized</div><div>[ 10.539675] [drm] GART: num cpu pages 262144, num gpu pages 262144</div><div>[ 10.546129] [drm] probing gen 2 caps for device 1957:830 = 73f443/e</div><div>[ 10.551121] [drm] PCIE gen 3 link speeds already enabled</div><div>[ 10.581276] [drm] PCIE GART of 1024M enabled (table at 0x0000000000277000).</div><div>[ 10.587142] radeon 0002:01:00.0: WB enabled</div><div>[ 10.590019] radeon 0002:01:00.0: fence driver on ring 0 use gpu addr 0x0000000080000c00 and cpu addr 0xc0000000ed15bc00</div><div>[ 10.599515] radeon 0002:01:00.0: fence driver on ring 1 use gpu addr 0x0000000080000c04 and cpu addr 0xc0000000ed15bc04</div><div>[ 10.609008] radeon 0002:01:00.0: fence driver on ring 2 use gpu addr 0x0000000080000c08 and cpu addr 0xc0000000ed15bc08</div><div>[ 10.618499] radeon 0002:01:00.0: fence driver on ring 3 use gpu addr 0x0000000080000c0c and cpu addr 0xc0000000ed15bc0c</div><div>[ 10.627992] radeon 0002:01:00.0: fence driver on ring 4 use gpu addr 0x0000000080000c10 and cpu addr 0xc0000000ed15bc10</div><div>[ 10.639273] radeon 0002:01:00.0: fence driver on ring 5 use gpu addr 0x0000000000075a18 and cpu addr 0x8000080088db5a18</div><div>[ 10.648762] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).</div><div>[ 10.654078] [drm] Driver supports precise vblank timestamp query.</div><div>[ 10.658873] radeon 0002:01:00.0: radeon: MSI limited to 32-bit</div><div>[ 10.663455] radeon 0002:01:00.0: radeon: using MSI.</div><div>[ 10.667069] [drm] radeon: irq initialized.</div><div>[ 11.353989] [drm:.r600_ring_test [radeon]] *ERROR* radeon: ring 0 test failed (scratch(0x850C)=0xCAFEDEAD)</div><div>[ 11.362354] radeon 0002:01:00.0: disabling GPU acceleration</div><div>[ 11.543395] [drm] Radeon Display Connectors</div><div>[ 11.546272] [drm] Connector 0:</div><div>[ 11.548027] [drm] DP-1</div><div>[ 11.549248] [drm] HPD1</div><div>[ 11.550471] [drm] DDC: 0x6530 0x6530 0x6534 0x6534 0x6538 0x6538 0x653c 0x653c</div><div>[ 11.556569] [drm] Encoders:</div><div>[ 11.558224] [drm] DFP1: INTERNAL_UNIPHY1</div><div>[ 11.561192] [drm] Connector 1:</div><div>[ 11.562941] [drm] DP-2</div><div>[ 11.564162] [drm] HPD4</div><div>[ 11.565384] [drm] DDC: 0x6560 0x6560 0x6564 0x6564 0x6568 0x6568 0x656c 0x656c</div><div>[ 11.571480] [drm] Encoders:</div><div>[ 11.573136] [drm] DFP2: INTERNAL_UNIPHY1</div><div>[ 11.576103] [drm] Connector 2:</div><div>[ 11.577846] [drm] DP-3</div><div>[ 11.579074] [drm] HPD5</div><div>[ 11.580297] [drm] DDC: 0x6540 0x6540 0x6544 0x6544 0x6548 0x6548 0x654c 0x654c</div><div>[ 11.586393] [drm] Encoders:</div><div>[ 11.588057] [drm] DFP3: INTERNAL_UNIPHY2</div><div>[ 11.591023] [drm] Connector 3:</div><div>[ 11.592767] [drm] DP-4</div><div>[ 11.593987] [drm] HPD6</div><div>[ 11.595216] [drm] DDC: 0x6570 0x6570 0x6574 0x6574 0x6578 0x6578 0x657c 0x657c</div><div>[ 11.601313] [drm] Encoders:</div><div>[ 11.602978] [drm] DFP4: INTERNAL_UNIPHY2</div><div>[ 11.692728] radeon 0002:01:00.0: No connectors reported connected with modes</div><div>[ 11.698480] [drm] Cannot find any crtc or sizes - going 1024x768</div><div>[ 11.708402] [drm] fb mappable at 0xC60478000</div><div>[ 11.711369] [drm] vram apper at 0xC60000000</div><div>[ 11.714242] [drm] size 3145728</div><div>[ 11.715993] [drm] fb depth is 24</div><div>[ 11.717910] [drm] pitch is 4096</div><div>[ 11.720091] radeon 0002:01:00.0: fb0: radeondrmfb frame buffer device</div><div>[ 11.725236] radeon 0002:01:00.0: registered panic notifier</div><div>[ 11.742619] [drm] Initialized radeon 2.42.0 20080528 for 0002:01:00.0 on minor 0</div><div>[ 40.806632] random: nonblocking pool is initialized</div><div><br></div><div>Bas Vermeulen</div></div></div></div>