On Fri, May 17, 2024 at 04:37:55PM -0700, Abhinav Kumar wrote: > To debug display mmu faults, this series introduces a display fault > handler similar to the gpu one. > > This is only compile tested at the moment, till a suitable method > to trigger the fault is found and see if this handler does the needful > on the device.
You should always be able to trigger the issue by programming wrong values to the SSPP. > > Abhinav Kumar (4): > drm/msm: register a fault handler for display mmu faults > drm/msm/iommu: rename msm_fault_handler to msm_gpu_fault_handler > drm/msm/iommu: introduce msm_iommu_disp_new() for msm_kms > drm/msm: switch msm_kms to use msm_iommu_disp_new() > > drivers/gpu/drm/msm/msm_iommu.c | 34 ++++++++++++++++++++++++++++++--- > drivers/gpu/drm/msm/msm_kms.c | 27 +++++++++++++++++++++++++- > drivers/gpu/drm/msm/msm_mmu.h | 1 + > 3 files changed, 58 insertions(+), 4 deletions(-) > > -- > 2.44.0 > -- With best wishes Dmitry
