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Re: [PATCH v4 0/8] iommu/rockchip: Fix bugs and enable on ARM64

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Hi Joerg,

On Tue, Jun 21, 2016 at 6:17 PM, Joerg Roedel <joro@8bytes.org> wrote:
>
> On Tue, Jun 21, 2016 at 01:34:33PM +0900, Tomasz Figa wrote:
> > This series intends mostly to enable support for ARM64 architecture
> > in the rockchip-iommu driver. On the way to do so, some bugs are also
> > fixed.
> >
> > The most important changes here are:
> >  - making the Rockchip IOMMU driver use DMA API for managing cache
> >    coherency of page tables,
> >  - making the Rockchip DRM driver not use DMA API on behalf of a virtual
> >    device (behind a virtual IOMMU) to allocate and map buffers, but
> >    instead proper DRM helpers and IOMMU API directly.
>
> Are these two parts dependent on each other or can the IOMMU and the DRM
> part merged independently?

In simple words, DRM patches depend on IOMMU patches.

More precisely: The IOMMU patches alone are supposed to not break
anything. Same goes for the first DRM patch (7/8). Only second DRM
patch (8/8) depends on changes introduced by its predecessors.

Best regards,
Tomasz

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[PATCH v4 0/8] iommu/rockchip: Fix bugs and enable on ARM64 Tomasz Figa <tfiga@chromium.org> - 2016-06-21 06:40 +0200
  [PATCH v4 7/8] drm/rockchip: Use common IOMMU API to attach devices Tomasz Figa <tfiga@chromium.org> - 2016-06-21 06:40 +0200
  [PATCH v4 5/8] iommu/rockchip: Prepare to support generic DMA mapping Tomasz Figa <tfiga@chromium.org> - 2016-06-21 06:40 +0200
  Re: [PATCH v4 0/8] iommu/rockchip: Fix bugs and enable on ARM64 Joerg Roedel <joro@8bytes.org> - 2016-06-21 11:30 +0200
    Re: [PATCH v4 0/8] iommu/rockchip: Fix bugs and enable on ARM64 Tomasz Figa <tfiga@chromium.org> - 2016-06-21 14:50 +0200
      Re: [PATCH v4 0/8] iommu/rockchip: Fix bugs and enable on ARM64 Joerg Roedel <joro@8bytes.org> - 2016-06-21 15:10 +0200
        Re: [PATCH v4 0/8] iommu/rockchip: Fix bugs and enable on ARM64 Heiko Stübner <heiko@sntech.de> - 2016-06-21 16:00 +0200
          Re: [PATCH v4 0/8] iommu/rockchip: Fix bugs and enable on ARM64 Joerg Roedel <joro@8bytes.org> - 2016-06-21 16:10 +0200

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