Re: [PATCH RFC] soc: amlogic: meson-ee-pwrc: Drop the .shutdown callback from the driver

[Kevin Hilman]

Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx> writes:

> Stefan reports that rebooting his ODROID-N2+ (using a G12B SoC) results
> in the board hanging. His kernel config uses:
>   CONFIG_MESON_EE_PM_DOMAINS=y
>   CONFIG_DRM_MESON=m
>
> He reports that his kernel config results in the DRM driver's .shutdown
> callback to be executed after the power domain driver's .shutdown
> callback. That's problematic because meson_ee_pwrc_shutdown disables the
> clock which are used by the VPU IP. This causes the board to hang.

I didn't dig deeply on this yet because this smells very much like an
issue Art reported[1] and fixed.

What kernel version are you using, and does it contain
commit fa0c16caf3d7 (drm: meson_drv add shutdown function)

Kevin

[1] https://lore.kernel.org/dri-devel/20210302042202.3728113-1-art@xxxxxxxxxx/