iommu/arm-smmu-qcom: Add an adreno-smmu-priv callback to get pagefault info

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Add a callback in adreno-smmu-priv to read interesting SMMU
registers to provide an opportunity for a richer debug experience
in the GPU driver.

Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210610214431.539029-3-robdclark@gmail.com
Signed-off-by: Rob Clark <robdclark@chromium.org>

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Jordan Crouse 2021-06-10 14:44:10 -07:00 • committed by Rob Clark

parent f8f934c180

commit ab5df7b953

3 changed files with 49 additions and 1 deletions

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17

drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c

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2

drivers/iommu/arm/arm-smmu/arm-smmu.h

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31

include/linux/adreno-smmu-priv.h

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