drm/msm: Improve the a6xx page fault handler

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Use the new adreno-smmu-priv fault info function to get more SMMU
debug registers and print the current TTBR0 to debug per-instance
pagetables and figure out which GPU block generated the request.

Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210610214431.539029-4-robdclark@gmail.com
Signed-off-by: Rob Clark <robdclark@chromium.org>

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Jordan Crouse 2021-06-10 14:44:11 -07:00 • committed by Rob Clark

parent ab5df7b953

commit 2a574cc05d

4 changed files with 87 additions and 8 deletions

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4

drivers/gpu/drm/msm/adreno/a5xx_gpu.c

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76

drivers/gpu/drm/msm/adreno/a6xx_gpu.c

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11

drivers/gpu/drm/msm/msm_iommu.c

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4

drivers/gpu/drm/msm/msm_mmu.h

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