From e25e92e08e32c6bf63a968929d232f13dcf9938c Mon Sep 17 00:00:00 2001 From: Rob Clark Date: Thu, 10 Jun 2021 14:44:13 -0700 Subject: drm/msm: devcoredump iommu fault support Wire up support to stall the SMMU on iova fault, and collect a devcore- dump snapshot for easier debugging of faults. Currently this is a6xx-only, but mostly only because so far it is the only one using adreno-smmu-priv. Signed-off-by: Rob Clark Acked-by: Jordan Crouse Link: https://lore.kernel.org/r/20210610214431.539029-6-robdclark@gmail.com Signed-off-by: Rob Clark --- drivers/gpu/drm/msm/msm_gem.h | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/gpu/drm/msm/msm_gem.h') diff --git a/drivers/gpu/drm/msm/msm_gem.h b/drivers/gpu/drm/msm/msm_gem.h index 03e2cc2a2ce1..405f8411e395 100644 --- a/drivers/gpu/drm/msm/msm_gem.h +++ b/drivers/gpu/drm/msm/msm_gem.h @@ -328,6 +328,7 @@ struct msm_gem_submit { struct dma_fence *fence; struct msm_gpu_submitqueue *queue; struct pid *pid; /* submitting process */ + bool fault_dumped; /* Limit devcoredump dumping to one per submit */ bool valid; /* true if no cmdstream patching needed */ bool in_rb; /* "sudo" mode, copy cmds into RB */ struct msm_ringbuffer *ring; -- cgit v1.2.3