diff options
| -rw-r--r-- | drivers/gpu/drm/xe/xe_pt.c | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/drivers/gpu/drm/xe/xe_pt.c b/drivers/gpu/drm/xe/xe_pt.c index ef39b01f3519..c8e63bd23300 100644 --- a/drivers/gpu/drm/xe/xe_pt.c +++ b/drivers/gpu/drm/xe/xe_pt.c @@ -1995,6 +1995,32 @@ static int unbind_op_prepare(struct xe_tile *tile, return 0; } +static bool +xe_pt_op_check_range_skip_invalidation(struct xe_vm_pgtable_update_op *pt_op, + struct xe_svm_range *range) +{ + struct xe_vm_pgtable_update *update = pt_op->entries; + + XE_WARN_ON(!pt_op->num_entries); + + /* + * We can't skip the invalidation if we are removing PTEs that span more + * than the range, do some checks to ensure we are removing PTEs that + * are invalid. + */ + + if (pt_op->num_entries > 1) + return false; + + if (update->pt->level == 0) + return true; + + if (update->pt->level == 1) + return xe_svm_range_size(range) >= SZ_2M; + + return false; +} + static int unbind_range_prepare(struct xe_vm *vm, struct xe_tile *tile, struct xe_vm_pgtable_update_ops *pt_update_ops, @@ -2023,7 +2049,10 @@ static int unbind_range_prepare(struct xe_vm *vm, range->base.itree.last + 1); ++pt_update_ops->current_op; pt_update_ops->needs_svm_lock = true; - pt_update_ops->needs_invalidation = true; + pt_update_ops->needs_invalidation |= xe_vm_has_scratch(vm) || + xe_vm_has_valid_gpu_mapping(tile, range->tile_present, + range->tile_invalidated) || + !xe_pt_op_check_range_skip_invalidation(pt_op, range); xe_pt_commit_prepare_unbind(XE_INVALID_VMA, pt_op->entries, pt_op->num_entries); |