[PATCH v3 0/2] iommu: apple-dart: Support the ISP DART

[Sasha Finkelstein via B4 Relay]

The ISP block has 3 linked DARTs with mismatched bypass support.
This series adds support for this setup.

(The ISP driver itself is sent as a separate series
https://lore.kernel.org/asahi/20250219-isp-v1-0-6d3e89b67c31@xxxxxxxxx/T/ )

Signed-off-by: Sasha Finkelstein <fnkl.kernel@xxxxxxxxx>
---
Changes in v3:
- Just added r-b, effectively a resend
- Link to v2: https://lore.kernel.org/r/20250228-isp-dart-v2-0-0ead81a90e2d@xxxxxxxxx

Changes in v2:
- Made comments and code a closer match for each other
- Link to v1: https://lore.kernel.org/r/20250227-isp-dart-v1-0-161e91ef4f46@xxxxxxxxx

---
Hector Martin (2):
      iommu: apple-dart: Increase MAX_DARTS_PER_DEVICE to 3
      iommu: apple-dart: Allow mismatched bypass support

 drivers/iommu/apple-dart.c | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)
---
base-commit: dd83757f6e686a2188997cb58b5975f744bb7786
change-id: 20250227-isp-dart-f8369baaecb1