Re: [PATCH v2 3/3] drm/tegra: Use iommu_paging_domain_alloc()

From: Thierry Reding
Date: Mon Sep 09 2024 - 09:50:42 EST


On Mon, Sep 02, 2024 at 09:47:00AM GMT, Lu Baolu wrote:
> Commit <17de3f5fdd35> ("iommu: Retire bus ops") removes iommu ops from
> the bus structure. The iommu subsystem no longer relies on bus for
> operations. So iommu_domain_alloc() interface is no longer relevant.
>
> Replace iommu_domain_alloc() with iommu_paging_domain_alloc() which takes
> the physical device from which the host1x_device virtual device was
> instantiated. This physical device is a common parent to all physical
> devices that are part of the virtual device.
>
> Suggested-by: Thierry Reding <thierry.reding@xxxxxxxxx>
> Signed-off-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/tegra/drm.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)

Acked-by: Thierry Reding <treding@xxxxxxxxxx>

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