drm/xe/svm: Make xe_svm_range_* end/start/size public

These functions will be used in prefetch too, therefore make them public.

v2
  - Fix kernel doc

Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Acked-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Link: https://lore.kernel.org/r/20250513040228.470682-6-himal.prasad.ghimiray@intel.com
Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>

drivers/gpu/drm/xe/xe_svm.c

@@ -45,21 +45,6 @@ static struct xe_vm *range_to_vm(struct drm_gpusvm_range *r)
 	return gpusvm_to_vm(r->gpusvm);
 }
 
-static unsigned long xe_svm_range_start(struct xe_svm_range *range)
-{
-	return drm_gpusvm_range_start(&range->base);
-}
-
-static unsigned long xe_svm_range_end(struct xe_svm_range *range)
-{
-	return drm_gpusvm_range_end(&range->base);
-}
-
-static unsigned long xe_svm_range_size(struct xe_svm_range *range)
-{
-	return drm_gpusvm_range_size(&range->base);
-}
-
 #define range_debug(r__, operaton__)					\
 	vm_dbg(&range_to_vm(&(r__)->base)->xe->drm,			\
 	       "%s: asid=%u, gpusvm=%p, vram=%d,%d, seqno=%lu, " \

drivers/gpu/drm/xe/xe_svm.h

@@ -99,6 +99,39 @@ 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_start() - SVM range start address
+ * @range: SVM range
+ *
+ * Return: start address of range.
+ */
+static inline unsigned long xe_svm_range_start(struct xe_svm_range *range)
+{
+	return drm_gpusvm_range_start(&range->base);
+}
+
+/**
+ * xe_svm_range_end() - SVM range end address
+ * @range: SVM range
+ *
+ * Return: end address of range.
+ */
+static inline unsigned long xe_svm_range_end(struct xe_svm_range *range)
+{
+	return drm_gpusvm_range_end(&range->base);
+}
+
+/**
+ * xe_svm_range_size() - SVM range size
+ * @range: SVM range
+ *
+ * Return: Size of range.
+ */
+static inline unsigned long xe_svm_range_size(struct xe_svm_range *range)
+{
+	return drm_gpusvm_range_size(&range->base);
+}
+
 #define xe_svm_assert_in_notifier(vm__) \
 	lockdep_assert_held_write(&(vm__)->svm.gpusvm.notifier_lock)
 
@@ -199,6 +232,21 @@ static inline struct xe_svm_range *to_xe_range(struct drm_gpusvm_range *r)
 	return NULL;
 }
 
+static inline unsigned long xe_svm_range_start(struct xe_svm_range *range)
+{
+	return 0;
+}
+
+static inline unsigned long xe_svm_range_end(struct xe_svm_range *range)
+{
+	return 0;
+}
+
+static inline unsigned long xe_svm_range_size(struct xe_svm_range *range)
+{
+	return 0;
+}
+
 #define xe_svm_assert_in_notifier(...) do {} while (0)
 #define xe_svm_range_has_dma_mapping(...) false