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| author |   Rob Clark <robdclark@chromium.org> | 2021-06-10 14:44:13 -0700 |
|---|---|---|
| committer | Rob Clark <robdclark@chromium.org> | 2021-06-23 07:33:55 -0700 |
| commit | e25e92e08e32c6bf63a968929d232f13dcf9938c (patch) | |
| tree | fbe3898e124d71c6d4e5351cfd490a2e96b550b8 /drivers/gpu/drm/msm/msm_mmu.h | |
| parent | iommu/arm-smmu-qcom: Add stall support (diff) | |
| download | linux-dev-e25e92e08e32c6bf63a968929d232f13dcf9938c.tar.xz linux-dev-e25e92e08e32c6bf63a968929d232f13dcf9938c.zip | |
drm/msm: devcoredump iommu fault support
Wire up support to stall the SMMU on iova fault, and collect a devcore-
dump snapshot for easier debugging of faults.
Currently this is a6xx-only, but mostly only because so far it is the
only one using adreno-smmu-priv.
Signed-off-by: Rob Clark <robdclark@chromium.org>
Acked-by: Jordan Crouse <jordan@cosmicpenguin.net>
Link: https://lore.kernel.org/r/20210610214431.539029-6-robdclark@gmail.com
Signed-off-by: Rob Clark <robdclark@chromium.org>
Diffstat (limited to 'drivers/gpu/drm/msm/msm_mmu.h')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_mmu.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/msm_mmu.h b/drivers/gpu/drm/msm/msm_mmu.h index a88f44c3268d..de158e1bf765 100644 --- a/drivers/gpu/drm/msm/msm_mmu.h +++ b/drivers/gpu/drm/msm/msm_mmu.h @@ -15,6 +15,7 @@ struct msm_mmu_funcs { size_t len, int prot); int (*unmap)(struct msm_mmu *mmu, uint64_t iova, size_t len); void (*destroy)(struct msm_mmu *mmu); + void (*resume_translation)(struct msm_mmu *mmu); }; enum msm_mmu_type { |