[Bug 111789] drm/etnaviv: command buffer outside valid memory window (on cubox i4), Linux 5.3

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111789

            Bug ID: 111789
           Summary: drm/etnaviv: command buffer outside valid memory
                    window (on cubox i4), Linux 5.3
           Product: DRI
           Version: unspecified
          Hardware: ARM
                OS: Linux (All)
            Status: NEW
          Severity: not set
          Priority: not set
         Component: DRM/other
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: rechner at vlado-do.de

Created attachment 145475
  --> https://bugs.freedesktop.org/attachment.cgi?id=145475&action=edit
dmesg from kernel 5.3, loading firmware

I'm trying to get somewhat accelerated video output out of my CuBox i4 (imx6
cpu, GC2000 graphics), but I don't have any luck with kernels 5.0, 5.2, or 5.3.

I tried recent Armbian and Fedora (30 and 31 beta).

The etnaviv messages from dmesg are:

[   18.891291] etnaviv etnaviv: bound 130000.gpu (ops gpu_ops [etnaviv])
[   18.895022] etnaviv etnaviv: bound 134000.gpu (ops gpu_ops [etnaviv])
[   18.898366] etnaviv etnaviv: bound 2204000.gpu (ops gpu_ops [etnaviv])
[   18.898385] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108
[   18.929873] etnaviv-gpu 130000.gpu: command buffer outside valid memory
window
[   18.931182] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007
[   19.075240] etnaviv-gpu 134000.gpu: command buffer outside valid memory
window
[   19.076522] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215
[   19.076542] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0
[   19.083510] [drm] Initialized etnaviv 1.2.0 20151214 for etnaviv on minor 1

I'll attach the complete dmesg - or you can see it here: http://ix.io/1WAW

Google brought me to Russell King's similar problem from June:
https://lists.freedesktop.org/archives/dri-devel/2019-June/224474.html

I don't know why the problem disappeared for him, though.

Initially I reported the problem at the armbian forum:
https://forum.armbian.com/topic/11539-no-hdmi-with-linux-image-dev-cubox-kernel-5211/

I'm more of a user than a developer, especially when it comes to the Linux
kernel. But I can test switches or patches.

Any help would be appreciated!

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