linux-next: manual merge of the iommu tree with the drm-misc tree

Commit Message

Stephen Rothwell Aug. 21, 2019, 4:16 a.m. UTC

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.

Comments

Will Deacon Aug. 21, 2019, 7:33 a.m. UTC | #1

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

Patch

diff --cc drivers/gpu/drm/panfrost/panfrost_mmu.c
index 842bdd7cf6be,6e8145c36e93..000000000000
--- a/drivers/gpu/drm/panfrost/panfrost_mmu.c