diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c
index 5a16b3e0a413..45650b9b3de9 100644
--- a/drivers/gpu/drm/drm_gem_vram_helper.c
+++ b/drivers/gpu/drm/drm_gem_vram_helper.c
@@ -368,54 +368,6 @@ int drm_gem_vram_unpin(struct drm_gem_vram_object *gbo)
 }
 EXPORT_SYMBOL(drm_gem_vram_unpin);
 
-static int drm_gem_vram_kmap_locked(struct drm_gem_vram_object *gbo,
-				    struct iosys_map *map)
-{
-	int ret;
-
-	if (gbo->vmap_use_count > 0)
-		goto out;
-
-	/*
-	 * VRAM helpers unmap the BO only on demand. So the previous
-	 * page mapping might still be around. Only vmap if the there's
-	 * no mapping present.
-	 */
-	if (iosys_map_is_null(&gbo->map)) {
-		ret = ttm_bo_vmap(&gbo->bo, &gbo->map);
-		if (ret)
-			return ret;
-	}
-
-out:
-	++gbo->vmap_use_count;
-	*map = gbo->map;
-
-	return 0;
-}
-
-static void drm_gem_vram_kunmap_locked(struct drm_gem_vram_object *gbo,
-				       struct iosys_map *map)
-{
-	struct drm_device *dev = gbo->bo.base.dev;
-
-	if (drm_WARN_ON_ONCE(dev, !gbo->vmap_use_count))
-		return;
-
-	if (drm_WARN_ON_ONCE(dev, !iosys_map_is_equal(&gbo->map, map)))
-		return; /* BUG: map not mapped from this BO */
-
-	if (--gbo->vmap_use_count > 0)
-		return;
-
-	/*
-	 * Permanently mapping and unmapping buffers adds overhead from
-	 * updating the page tables and creates debugging output. Therefore,
-	 * we delay the actual unmap operation until the BO gets evicted
-	 * from memory. See drm_gem_vram_bo_driver_move_notify().
-	 */
-}
-
 /**
  * drm_gem_vram_vmap() - Pins and maps a GEM VRAM object into kernel address
  *                       space
@@ -438,18 +390,25 @@ int drm_gem_vram_vmap(struct drm_gem_vram_object *gbo, struct iosys_map *map)
 
 	dma_resv_assert_held(gbo->bo.base.resv);
 
-	ret = drm_gem_vram_pin_locked(gbo, 0);
-	if (ret)
-		return ret;
-	ret = drm_gem_vram_kmap_locked(gbo, map);
-	if (ret)
-		goto err_drm_gem_vram_unpin_locked;
+	if (gbo->vmap_use_count > 0)
+		goto out;
+
+	/*
+	 * VRAM helpers unmap the BO only on demand. So the previous
+	 * page mapping might still be around. Only vmap if the there's
+	 * no mapping present.
+	 */
+	if (iosys_map_is_null(&gbo->map)) {
+		ret = ttm_bo_vmap(&gbo->bo, &gbo->map);
+		if (ret)
+			return ret;
+	}
+
+out:
+	++gbo->vmap_use_count;
+	*map = gbo->map;
 
 	return 0;
-
-err_drm_gem_vram_unpin_locked:
-	drm_gem_vram_unpin_locked(gbo);
-	return ret;
 }
 EXPORT_SYMBOL(drm_gem_vram_vmap);
 
@@ -464,10 +423,25 @@ EXPORT_SYMBOL(drm_gem_vram_vmap);
 void drm_gem_vram_vunmap(struct drm_gem_vram_object *gbo,
 			 struct iosys_map *map)
 {
+	struct drm_device *dev = gbo->bo.base.dev;
+
 	dma_resv_assert_held(gbo->bo.base.resv);
 
-	drm_gem_vram_kunmap_locked(gbo, map);
-	drm_gem_vram_unpin_locked(gbo);
+	if (drm_WARN_ON_ONCE(dev, !gbo->vmap_use_count))
+		return;
+
+	if (drm_WARN_ON_ONCE(dev, !iosys_map_is_equal(&gbo->map, map)))
+		return; /* BUG: map not mapped from this BO */
+
+	if (--gbo->vmap_use_count > 0)
+		return;
+
+	/*
+	 * Permanently mapping and unmapping buffers adds overhead from
+	 * updating the page tables and creates debugging output. Therefore,
+	 * we delay the actual unmap operation until the BO gets evicted
+	 * from memory. See drm_gem_vram_bo_driver_move_notify().
+	 */
 }
 EXPORT_SYMBOL(drm_gem_vram_vunmap);