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drm/xe: Add debug messages for MMU notifier and VMA invalidate

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Extra debug is useful when working on VM issues.

Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240320194232.1910688-1-matthew.brost@intel.com
This commit is contained in:
Matthew Brost
2024-03-20 12:42:32 -07:00
parent f20b7671df
commit cdf287ce7b
1 changed files with 8 additions and 0 deletions
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8
drivers/gpu/drm/xe/xe_vm.c
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@@ -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)) {