https://bugs.freedesktop.org/show_bug.cgi?id=109117

            Bug ID: 109117
           Summary: [ARM64] Unable to load module amdgpu on LS1012A-RDB
                    board
           Product: DRI
           Version: XOrg git
          Hardware: ARM
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: bas@daedalean.ai

I am trying to use AMDGPU on an NXP LS1012A-RDB development board, connected to
the mini PCIe connector on the board (x1 gen2).

I get the following problem, and the driver is unable to initialize it's rings
correctly.

[   17.796558] [drm] amdgpu kernel modesetting enabled.
[   17.805941] [drm] initializing kernel modesetting (POLARIS11 0x1002:0x67E8
0x1DA2:0xE362 0x80).
[   17.805968] [drm] register mmio base: 0x58000000
[   17.805971] [drm] register mmio size: 262144
[   17.806054] [drm] add ip block number 0 <vi_common>
[   17.806057] [drm] add ip block number 1 <gmc_v8_0>
[   17.806060] [drm] add ip block number 2 <tonga_ih>
[   17.806063] [drm] add ip block number 3 <gfx_v8_0>
[   17.806066] [drm] add ip block number 4 <sdma_v3_0>
[   17.806069] [drm] add ip block number 5 <powerplay>
[   17.806072] [drm] add ip block number 6 <dm>
[   17.806076] [drm] add ip block number 7 <uvd_v6_0>
[   17.806079] [drm] add ip block number 8 <vce_v3_0>
[   17.806111] [drm] UVD is enabled in VM mode
[   17.806114] [drm] UVD ENC is enabled in VM mode
[   17.806120] [drm] VCE enabled in VM mode
[   18.384750] ATOM BIOS: 113-C98511-U01
[   18.384811] [drm] GPU posting now...
[   18.507093] [drm] vm size is 64 GB, 2 levels, block size is 10-bit, fragment
size is 9-bit
[   18.516659] amdgpu 0000:01:00.0: BAR 2: releasing [mem
0x4050000000-0x40501fffff 64bit pref]
[   18.516672] amdgpu 0000:01:00.0: BAR 0: releasing [mem
0x4040000000-0x404fffffff 64bit pref]
[   18.516794] pcieport 0000:00:00.0: BAR 15: releasing [mem
0x4040000000-0x4057ffffff 64bit pref]
[   18.516825] pcieport 0000:00:00.0: BAR 15: no space for [mem size
0x300000000 64bit pref]
[   18.516831] pcieport 0000:00:00.0: BAR 15: failed to assign [mem size
0x300000000 64bit pref]
[   18.516842] amdgpu 0000:01:00.0: BAR 0: no space for [mem size 0x200000000
64bit pref]
[   18.516848] amdgpu 0000:01:00.0: BAR 0: failed to assign [mem size
0x200000000 64bit pref]
[   18.516856] amdgpu 0000:01:00.0: BAR 2: no space for [mem size 0x00200000
64bit pref]
[   18.516861] amdgpu 0000:01:00.0: BAR 2: failed to assign [mem size
0x00200000 64bit pref]
[   18.516868] pcieport 0000:00:00.0: PCI bridge to [bus 01-ff]
[   18.516875] pcieport 0000:00:00.0:   bridge window [io  0x1000-0x1fff]
[   18.516882] pcieport 0000:00:00.0:   bridge window [mem
0x4058000000-0x40580fffff]
[   18.516892] pcieport 0000:00:00.0: PCI bridge to [bus 01-ff]
[   18.516897] pcieport 0000:00:00.0:   bridge window [io  0x1000-0x1fff]
[   18.516904] pcieport 0000:00:00.0:   bridge window [mem
0x4058000000-0x40580fffff]
[   18.516910] pcieport 0000:00:00.0:   bridge window [mem
0x4040000000-0x4057ffffff 64bit pref]
[   18.516954] [drm] Not enough PCI address space for a large BAR.
[   18.516964] amdgpu 0000:01:00.0: BAR 0: assigned [mem
0x4040000000-0x404fffffff 64bit pref]
[   18.517011] amdgpu 0000:01:00.0: BAR 2: assigned [mem
0x4050000000-0x40501fffff 64bit pref]
[   18.517134] amdgpu 0000:01:00.0: VRAM: 8192M 0x000000F400000000 -
0x000000F5FFFFFFFF (8192M used)
[   18.517140] amdgpu 0000:01:00.0: GART: 256M 0x000000FF00000000 -
0x000000FF0FFFFFFF
[   18.517147] [drm] Detected VRAM RAM=8192M, BAR=256M
[   18.517150] [drm] RAM width 128bits GDDR5
[   18.519414] [TTM] Zone  kernel: Available graphics memory: 473264 kiB
[   18.519421] [TTM] Initializing pool allocator
[   18.519448] [TTM] Initializing DMA pool allocator
[   18.519536] [drm] amdgpu: 8192M of VRAM memory ready
[   18.519544] [drm] amdgpu: 693M of GTT memory ready.
[   18.519691] [drm] GART: num cpu pages 65536, num gpu pages 65536
[   18.526529] [drm] PCIE GART of 256M enabled (table at 0x000000F400000000).
[   18.535266] [drm] Chained IB support enabled!
[   18.593465] [drm] Found UVD firmware Version: 1.130 Family ID: 16
[   18.609124] [drm] Found VCE firmware Version: 52.4 Binary ID: 3
[   19.002431] [drm:gfx_v8_0_ring_test_ring [amdgpu]] *ERROR* amdgpu: ring 0
test failed (scratch(0xC040)=0x00000000)
[   19.013972] [drm:amdgpu_device_init [amdgpu]] *ERROR* hw_init of IP block
<gfx_v8_0> failed -22
[   19.024462] amdgpu 0000:01:00.0: amdgpu_device_ip_init failed
[   19.032772] amdgpu 0000:01:00.0: Fatal error during GPU init
[   19.040955] [drm] amdgpu: finishing device.
[   20.215633] [TTM] Finalizing pool allocator
[   20.215656] [TTM] Finalizing DMA pool allocator
[   20.220049] [TTM] Zone  kernel: Used memory at exit: 0 kiB
[   20.220064] [drm] amdgpu: ttm finalized
[   20.221750] amdgpu: probe of 0000:01:00.0 failed with error -22

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