On Wed, Aug 21, 2019 at 02:16:40PM +1000, Stephen Rothwell wrote:
> Hi all,
>
> Today's linux-next merge of the iommu tree got a conflict in:
>
> drivers/gpu/drm/panfrost/panfrost_mmu.c
>
> between commit:
>
> 187d2929206e ("drm/panfrost: Add support for GPU heap allocations")
>
> from the drm-misc tree and commit:
>
> a2d3a382d6c6 ("iommu/io-pgtable: Pass struct iommu_iotlb_gather to ->unmap()")
>
> from the iommu tree.
>
> I fixed it up (see below) and can carry the fix as necessary. This
> is now fixed as far as linux-next is concerned, but any non trivial
> conflicts should be mentioned to your upstream maintainer when your tree
> is submitted for merging. You may also want to consider cooperating
> with the maintainer of the conflicting tree to minimise any particularly
> complex conflicts.
Thanks. I don't think the conflict is as bad as it looks, there's just
clearly been a lot of changes to this file. The IOMMU changes are all
around the io-pgtable API, so there's an extra 'NULL' argument to
->unmap() and some new TLB invalidation functions in the renamed
'iommu_gather_ops' (now 'iommu_flush_ops').
Will
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