[PATCH 0/3] Rockchip IOMMU fixes
Dang Huynh
danct12 at riseup.net
Sat Mar 15 22:03:43 PDT 2025
On Thursday, March 13, 2025 5:31:03 PM UTC Robin Murphy wrote:
> Hi all,
>
> I was expecting my DT probing change to flush out issues, and it seems
> some weaknesses in rockchip-iommu were the first to show. The first two
> patches here get things working again for me on my RK3399 NanoPC-T4
> (with a console on HDMI exercising the VOP MMU), the 3rd patch just
> finishes the cleanup since I was there and could test it.
>
> Thanks,
> Robin.
>
> Robin Murphy (3):
> iommu/rockchip: Allocate per-device data sensibly
> iommu/rockchip: Register in a sensible order
> iommu/rockchip: Retire global dma_dev workaround
>
> drivers/iommu/rockchip-iommu.c | 61 +++++++++++++++-------------------
> 1 file changed, 26 insertions(+), 35 deletions(-)
Tested this series on a RK3566 device and this fixed kernel panic/oops on boot
since next-20250314.
For the whole series:
Tested-by: Dang Huynh <danct12 at riseup.net>
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