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The commit e25e92e0

 ("drm/msm: devcoredump iommu fault support")
enabled SMMU stalling to collect GPU state, but only for a6xx. It tied
enabling the stall with tha per-instance pagetables creation.

Since that commit SoCs with a5xx also gained support for
adreno-smmu-priv. Move stalling into generic code and add corresponding
resume_translation calls.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/522720/
Link: https://lore.kernel.org/r/20230214123504.3729522-2-dmitry.baryshkov@linaro.org

Signed-off-by: Rob Clark <robdclark@chromium.org>