Re: [PATCH 2/7] agp/intel: Use per device iommu check

[Jason Gunthorpe]

On Sat, May 14, 2022 at 09:43:17AM +0800, Lu Baolu wrote:
> The IOMMU subsystem has already provided an interface to query whether
> the IOMMU hardware is enabled for a specific device. This changes the
> check from Intel specific intel_iommu_gfx_mapped (globally exported by
> the Intel IOMMU driver) to probing the presence of IOMMU on a specific
> device using the generic device_iommu_mapped().
> 
> This follows commit cca084692394a ("drm/i915: Use per device iommu check")
> which converted drm/i915 driver to use device_iommu_mapped().
> 
> Signed-off-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>
> ---
>  drivers/char/agp/intel-gtt.c | 17 +++++++----------
>  1 file changed, 7 insertions(+), 10 deletions(-)

Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx>

Jason