[Freedreno] [PATCH v3 3/3] drm/msm: Improve the a6xx page fault handler

2021-02-25 Thread Jordan Crouse
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 --- drivers/gpu/drm/msm/adreno/a5xx_gpu.c | 4 +-

[Freedreno] [PATCH v3 0/3] iommu/arm-smmu: adreno-smmu page fault handling

2021-02-25 Thread Jordan Crouse
(resending for the 5.13 cycle) This is a stack to add an Adreno GPU specific handler for pagefaults. The first patch starts by wiring up report_iommu_fault for arm-smmu. The next patch adds a adreno-smmu-priv function hook to capture a handful of important debugging registers such as TTBR0,