[RFC 04/29] drm/xe/svm: Make to_xe_range a public function

[Himal Prasad Ghimiray]

The to_xe_range function will be used in other files. Therefore, make it
public and add kernel-doc documentation

Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray at intel.com>
---
 drivers/gpu/drm/xe/xe_svm.c |  5 -----
 drivers/gpu/drm/xe/xe_svm.h | 14 ++++++++++++++
 2 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/xe/xe_svm.c b/drivers/gpu/drm/xe/xe_svm.c
index 2d2b385b691e..2b041f44730b 100644
--- a/drivers/gpu/drm/xe/xe_svm.c
+++ b/drivers/gpu/drm/xe/xe_svm.c
@@ -93,11 +93,6 @@ static void xe_svm_range_free(struct drm_gpusvm_range *range)
 	kfree(range);
 }
 
-static struct xe_svm_range *to_xe_range(struct drm_gpusvm_range *r)
-{
-	return container_of(r, struct xe_svm_range, base);
-}
-
 static void
 xe_svm_garbage_collector_add_range(struct xe_vm *vm, struct xe_svm_range *range,
 				   const struct mmu_notifier_range *mmu_range)
diff --git a/drivers/gpu/drm/xe/xe_svm.h b/drivers/gpu/drm/xe/xe_svm.h
index 976059545173..1af245400799 100644
--- a/drivers/gpu/drm/xe/xe_svm.h
+++ b/drivers/gpu/drm/xe/xe_svm.h
@@ -139,6 +139,20 @@ int xe_svm_alloc_vram(struct xe_vm *vm, struct xe_tile *tile,
 
 #endif
 
+/**
+ * to_xe_range - Convert a drm_gpusvm_range pointer to a xe_svm_range
+ * @r: Pointer to the drm_gpusvm_range structure
+ *
+ * This function takes a pointer to a drm_gpusvm_range structure and
+ * converts it to a pointer to the containing xe_svm_range structure.
+ *
+ * Return: Pointer to the xe_svm_range structure
+ */
+static inline struct xe_svm_range *to_xe_range(struct drm_gpusvm_range *r)
+{
+	return container_of(r, struct xe_svm_range, base);
+}
+
 /**
  * xe_svm_range_has_dma_mapping() - SVM range has DMA mapping
  * @range: SVM range
-- 
2.34.1