drm/msm: convert to iommu_map_sg

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Significantly simplifies things.  Also iommu_unmap() can unmap an entire
iova range.

(If backporting to downstream kernel you might need to revert this.  Or
at least double check older iommu implementation.)

Signed-off-by: Rob Clark <robdclark@gmail.com>

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Rob Clark 2017-02-15 15:44:04 -05:00

parent de098e5fb1

commit f90000492e

1 changed files with 5 additions and 49 deletions

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54

drivers/gpu/drm/msm/msm_iommu.c

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