From cdf287ce7bd308c51e97080ebe7e9b12c8256f26 Mon Sep 17 00:00:00 2001 From: Matthew Brost Date: Wed, 20 Mar 2024 12:42:32 -0700 Subject: [PATCH] drm/xe: Add debug messages for MMU notifier and VMA invalidate Extra debug is useful when working on VM issues. Signed-off-by: Matthew Brost Reviewed-by: Nirmoy Das Link: https://patchwork.freedesktop.org/patch/msgid/20240320194232.1910688-1-matthew.brost@intel.com --- drivers/gpu/drm/xe/xe_vm.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/gpu/drm/xe/xe_vm.c b/drivers/gpu/drm/xe/xe_vm.c index 80d43d75b1da8..e3692b7e1711e 100644 --- a/drivers/gpu/drm/xe/xe_vm.c +++ b/drivers/gpu/drm/xe/xe_vm.c @@ -648,6 +648,10 @@ static bool vma_userptr_invalidate(struct mmu_interval_notifier *mni, if (!mmu_notifier_range_blockable(range)) return false; + vm_dbg(&xe_vma_vm(vma)->xe->drm, + "NOTIFIER: addr=0x%016llx, range=0x%016llx", + xe_vma_start(vma), xe_vma_size(vma)); + down_write(&vm->userptr.notifier_lock); mmu_interval_set_seq(mni, cur_seq); @@ -3233,6 +3237,10 @@ int xe_vm_invalidate_vma(struct xe_vma *vma) xe_assert(xe, !xe_vma_is_null(vma)); trace_xe_vma_invalidate(vma); + vm_dbg(&xe_vma_vm(vma)->xe->drm, + "INVALIDATE: addr=0x%016llx, range=0x%016llx", + xe_vma_start(vma), xe_vma_size(vma)); + /* Check that we don't race with page-table updates */ if (IS_ENABLED(CONFIG_PROVE_LOCKING)) { if (xe_vma_is_userptr(vma)) { -- 2.30.2