[PATCH] drm/rockchip: Allow driver to be shutdown on reboot/kexec

Heiko Stuebner heiko at sntech.de
Mon Sep 10 02:07:36 PDT 2018


Am Sonntag, 5. August 2018, 14:48:07 CEST schrieb Marc Zyngier:
> Leaving the DRM driver enabled on reboot or kexec has the annoying
> effect of leaving the display generating transactions whilst the
> IOMMU has been shut down.
> 
> In turn, the IOMMU driver (which shares its interrupt line with
> the VOP) starts warning either on shutdown or when entering the
> secondary kernel in the kexec case (nothing is expected on that
> front).
> 
> A cheap way of ensuring that things are nicely shut down is to
> register a shutdown callback in the platform driver.
> 
> Signed-off-by: Marc Zyngier <marc.zyngier at arm.com>

applied to drm-misc-next
with Vicentes Tested-tag and also a Cc: stable tag added.

sorry for the holdup
Heiko





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