[v2 26/31] drm/xe: Make function lookup_vma public

[Oak Zeng <oak.zeng@intel.com>]

Public this function as it will be used by later patches. Also
rename it to xe_vm_lookup_vma

Signed-off-by: Oak Zeng <oak.zeng@intel.com>
---
 drivers/gpu/drm/xe/xe_gt_pagefault.c | 10 ++++++++--
 drivers/gpu/drm/xe/xe_vm.h           |  1 +
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/xe/xe_gt_pagefault.c b/drivers/gpu/drm/xe/xe_gt_pagefault.c
index 707a3466f36b..668984f0769e 100644
--- a/drivers/gpu/drm/xe/xe_gt_pagefault.c
+++ b/drivers/gpu/drm/xe/xe_gt_pagefault.c
@@ -80,7 +80,13 @@ static bool vma_matches(struct xe_vma *vma, u64 page_addr)
 	return true;
 }
 
-static struct xe_vma *lookup_vma(struct xe_vm *vm, u64 page_addr)
+/**
+ * xe_vm_lookup_vma() - look up a vma from address
+ *
+ * @vm: the xe_vm that the vma resides in
+ * @page_address: address to look up
+ */
+struct xe_vma *xe_vm_lookup_vma(struct xe_vm *vm, u64 page_addr)
 {
 	struct xe_vma *vma = NULL;
 
@@ -166,7 +172,7 @@ static int handle_pagefault(struct xe_gt *gt, struct pagefault *pf)
 		ret = -ENOENT;
 		goto unlock_vm;
 	}
-	vma = lookup_vma(vm, pf->page_addr);
+	vma = xe_vm_lookup_vma(vm, pf->page_addr);
 	if (!vma) {
 		ret = -EINVAL;
 		goto unlock_vm;
diff --git a/drivers/gpu/drm/xe/xe_vm.h b/drivers/gpu/drm/xe/xe_vm.h
index 4860747592ad..d55330988e32 100644
--- a/drivers/gpu/drm/xe/xe_vm.h
+++ b/drivers/gpu/drm/xe/xe_vm.h
@@ -306,3 +306,4 @@ struct xe_vm_snapshot *xe_vm_snapshot_capture(struct xe_vm *vm);
 void xe_vm_snapshot_capture_delayed(struct xe_vm_snapshot *snap);
 void xe_vm_snapshot_print(struct xe_vm_snapshot *snap, struct drm_printer *p);
 void xe_vm_snapshot_free(struct xe_vm_snapshot *snap);
+struct xe_vma *xe_vm_lookup_vma(struct xe_vm *vm, u64 page_addr);
-- 
2.26.3