[PATCH 10/10] drm/qxl: add lock asserts to qxl_bo_kmap_locked + qxl_bo_kunmap_locked

---
  drivers/gpu/drm/qxl/qxl_object.c | 4 ++++
  1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/qxl/qxl_object.c b/drivers/gpu/drm/qxl/qxl_object.c
index 22748b9566af..90d5e5b7f927 100644
--- a/drivers/gpu/drm/qxl/qxl_object.c
+++ b/drivers/gpu/drm/qxl/qxl_object.c

@@ -162,6 +162,8 @@ int qxl_bo_kmap_locked(struct qxl_bo *bo, struct dma_buf_map *map)
  {
  	int r;
  
+	dma_resv_assert_held(bo->tbo.base.resv);
+
  	if (bo->kptr) {
  		bo->map_count++;
  		goto out;

@@ -236,6 +238,8 @@ void *qxl_bo_kmap_atomic_page(struct qxl_device *qdev,
  
  void qxl_bo_kunmap_locked(struct qxl_bo *bo)
  {
+	dma_resv_assert_held(bo->tbo.base.resv);
+
  	if (bo->kptr == NULL)
  		return;
  	bo->map_count--;