Commit cdf287ce authored by Matthew Brost's avatar Matthew Brost
Browse files

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



Extra debug is useful when working on VM issues.

Signed-off-by: default avatarMatthew Brost <matthew.brost@intel.com>
Reviewed-by: default avatarNirmoy Das <nirmoy.das@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240320194232.1910688-1-matthew.brost@intel.com
parent f20b7671

drivers/gpu/drm/xe/xe_vm.c

+8 −0
Original line number Diff line number Diff line
@@ -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)) {