Re: [PATCH drm-misc-next v4 0/4] drm/arm/hdlcd: use drm managed resources

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Hi Liviu,

The only issue that I'm seeing that is not critical is that at reboot/shutdown time
I'm getting an "Unexpected global fault, this could be serious" from the smmu:

[ 6893.467910] arm-smmu 7fb30000.iommu: disabling translation
[ 6893.473550] ohci-platform 7ffb0000.usb: Removing from iommu group 1
[ 6893.479909] ehci-platform 7ffc0000.usb: Removing from iommu group 1
[ 6893.486931] arm-smmu 7fb10000.iommu: disabling translation
[ 6893.492521] hdlcd 7ff50000.hdlcd: Removing from iommu group 3
[ 6893.492650] arm-smmu 7fb10000.iommu: Unexpected global fault, this could be serious
[ 6893.505959] arm-smmu 7fb10000.iommu:         GFSR 0x80000001, GFSYNR0 0x00000000, GFSYNR1 0x00000000, GFSYNR2 0x00000000
[ 6893.516511] arm-smmu 7fb00000.iommu: disabling translation
[ 6893.522195] dma-pl330 7ff00000.dma-controller: Removing from iommu group 2
[ 6893.529607] arm-smmu 2b500000.iommu: disabling translation
[ 6893.535221] pcieport 0000:00:00.0: Removing from iommu group 0
[ 6893.541135] pci 0000:01:00.0: Removing from iommu group 0
[ 6893.546604] pcieport 0000:02:01.0: Removing from iommu group 0
[ 6893.552511] pcieport 0000:02:02.0: Removing from iommu group 0
[ 6893.558418] pcieport 0000:02:03.0: Removing from iommu group 0
[ 6893.564329] pcieport 0000:02:0c.0: Removing from iommu group 0
[ 6893.570393] pcieport 0000:02:10.0: Removing from iommu group 0
[ 6893.576314] pcieport 0000:02:1f.0: Removing from iommu group 0
[ 6893.582214] sata_sil24 0000:03:00.0: Removing from iommu group 0
[ 6893.588270] sky2 0000:08:00.0: Removing from iommu group 0
[ 6893.594616] reboot: Power down


The reboot/shutdown succeeds, so I'm not too worried about it for now, but hope that
this is something you'll keep in mind in the later series when you do drm_dev_unplug().

Yes, I'd expect this to be related to the missing protection of platform device bound resources.


With that, for the whole series:

Acked-by: Liviu Dudau <liviu.dudau@xxxxxxx>

Thanks for the patience and going through the series iterations with me.

I can pull this series into drm-misc-next on Monday if you don't have any other plans.
Thanks, I saw you already applied the series.

Have you had a look on the same series for malidp?

- Danilo


Best regards,
Liviu




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