etnaviv: command buffer outside valid memory window

etnaviv: command buffer outside valid memory window

[Johannes Pointner]

Hello,

I'm trying to get etnaviv on an i.MX6Q (2 GB DDR RAM) device running
with kernel 5.6.2 but it is failing to setup the GPU with the
following error:

[    0.000000] Memory policy: Data cache writealloc
[    0.000000] cma: Reserved 256 MiB at 0x7f400000
[    0.000000] On node 0 totalpages: 524288
[    0.000000]   Normal zone: 4608 pages used for memmap
[    0.000000]   Normal zone: 0 pages reserved
[    0.000000]   Normal zone: 524288 pages, LIFO batch:63
...
[    0.000000] Memory: 1803240K/2097152K available (6144K kernel code,
247K rwdata, 2284K rodata, 1024K init, 375K bss, 31768K reserved,
262144K cma-reserved, 0K highmem)
...
[    0.529924] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops)
[    0.530153] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops)
[    0.530408] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops)
[    0.530427] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108
[    0.530748] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007
[    0.530833] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215
[    0.530853] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0
...
[    5.374046] etnaviv etnaviv: command buffer outside valid memory window
[    5.389451] etnaviv etnaviv: command buffer outside valid memory window
[    5.406062] etnaviv etnaviv: command buffer outside valid memory window
[    5.421381] etnaviv etnaviv: command buffer outside valid memory window

I have a similar setup with a i.MX6DL (1GB DDR RAM) and this works w/o an error.

I found this patch  https://lkml.org/lkml/2019/6/19/809 which
describes a similar issue.

Is there something I'm missing or I have misconfigured?

Any hint would be highly appreciated.

Thx,
Hannes
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