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Hi Dave After convert to drm_mm, rockchip arm64 platform can works with iommu, like rk3399. it's import patches for rockchip arm64 platform And these patches already have full reviewed, I hope these patches can be landed. Best regards The following changes since commit 13f62f54d174d3417c3caaafedf5e22a0a03e442: Merge branch 'drm-next-4.11' of git://people.freedesktop.org/~agd5f/linux into drm-next (2017-02-10 10:13:30 +1000) are available in the git repository at: https://github.com/markyzq/kernel-drm-rockchip.git drm-rockchip-next-2017-02-16 for you to fetch changes up to 1aa5ca6e3ec63aa5815d78646748e88a7ceb1c8e: drm/rockchip: Use common IOMMU API to attach devices (2017-02-15 08:52:13 +0800) ---------------------------------------------------------------- Shunqian Zheng (1): drm/rockchip: Use common IOMMU API to attach devices Tomasz Figa (1): drm/rockchip: Do not use DMA mapping API if attached to IOMMU domain drivers/gpu/drm/rockchip/rockchip_drm_drv.c | 101 ++++++++++++++++++++++++++++------------------------- drivers/gpu/drm/rockchip/rockchip_drm_drv.h | 6 +++- drivers/gpu/drm/rockchip/rockchip_drm_gem.c | 244 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++------- drivers/gpu/drm/rockchip/rockchip_drm_gem.h | 8 +++++ 4 files changed, 298 insertions(+), 61 deletions(-) -- Ｍark Yao |
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