[Bug 105725] WARNING: CPU: 0 PID: 487 at drivers/gpu/drm/amd/amdgpu/../display /dc/gpio/gpio_base.c:64 dal_gpio_open_ex+0xc/0x30 [amdgpu]

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105725

--- Comment #9 from Alex Deucher <alexdeucher at gmail.com> ---
(In reply to Marc Thomas from comment #8)
> After some testing/experimentation/and scouring the internet, I've found
> that blacklisting modules gpio_amdpt (gpio-amdpt.ko) & pinctrl_amd
> (pinctrl-amd.ko) greatly reduce the likelihood of the gpio_base.c:64 &
> gpio_service.c:488 dmesg warnings. I suspect some kind of race condition
> during boot as the modules may load in any order.

It's possible that there are issues with gpio-amdpt and pinctrl-amd that lead
to general system stability issues, but it should be noted the the gpio stuff
in amdgpu is completely unrelated to those modules.

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