IMX6 etnaviv issue

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Greetings,

I use a standard Ubuntu 20.04 focal rootfs with a mainline kernel on
an IMX6Q based board and have had no issues using things like gnome
desktop, glxgears, glmark2 however recently I updated the rootfs to
Ubuntu 22.04 jammy using the same mainline kernel and now I see some
issues. I've replicated the issue with several kernel versions
including 5.4, 5.10, 5.15 and 6.0 so I would say this is not a kernel
regression but something related to the graphics stack being used
which I'm not very familiar with.

The issues I see can be described as:
- mouse cursor is incorrect (looks like a hatched square)
- glxgears shows some sort of sync/jitter issue and has a fairly low framerate
- glmark2 shows a some sync issues then after a few seconds results in
a GPU hang

My ubuntu focal image that appears to work fine has the following:
gnome 3.36.5-0
xserver-xorg 1:7.7+19
xserver-xorg-core 2:1.20.13-1
xwayland 2:1.20.13-1
glmark2 2021.02
mesa-utils 8.4.0-1
GL_VENDOR: Mesa/X.org
GL_RENDERER: llvmpipe (LLVM 12.0.0, 128 bits)
GL_VERSION: 3.1 Mesa 21.2.6

My ubuntu jammy image that has the issues has the following:
gnome-41.7-0
xserver-xorg 1:7.7+23
xserver-xorg-core 2:21.1.3-2
xwayland 2:22.1.1-1
glmark2 2021.02-0
mesa-utils 8.4.0-1
GL_VENDOR: etnaviv
GL_RENDERER: Vivantte GC2000 rev 5108
GL_VERSION: 2.1 Mesa 22.0.5

Does anyone have any ideas on what might be going on here? I apologize
for my lack of knowledge regarding the software layers on top of the
etnaviv kernel driver being used here.

Best Regards,

Tim



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