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author | Rob Clark | 2024-02-13 09:23:40 -0800 |
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committer | Rob Clark | 2024-02-15 08:51:31 -0800 |
commit | 8c7bfd8262319fd3f127a5380f593ea76f1b88a2 (patch) | |
tree | a88748a278830cda50464347a6af1d7429971dea /scripts | |
parent | 917e9b7c2350e3e53162fcf5035e5f2d68e2cbed (diff) |
drm/msm: Wire up tlb ops
The brute force iommu_flush_iotlb_all() was good enough for unmap, but
in some cases a map operation could require removing a table pte entry
to replace with a block entry. This also requires tlb invalidation.
Missing this was resulting an obscure iova fault on what should be a
valid buffer address.
Thanks to Robin Murphy for helping me understand the cause of the fault.
Cc: Robin Murphy <robin.murphy@arm.com>
Cc: stable@vger.kernel.org
Fixes: b145c6e65eb0 ("drm/msm: Add support to create a local pagetable")
Signed-off-by: Rob Clark <robdclark@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/578117/
Diffstat (limited to 'scripts')
0 files changed, 0 insertions, 0 deletions