diff --git a/drivers/gpu/drm/nouveau/nouveau_prime.c b/drivers/gpu/drm/nouveau/nouveau_prime.c
index ed6b8465260a1de1961a83f0d1e319d122920d74..c58aab7370c575949a41113014120b252548169c 100644
--- a/drivers/gpu/drm/nouveau/nouveau_prime.c
+++ b/drivers/gpu/drm/nouveau/nouveau_prime.c
@@ -61,7 +61,7 @@ static void nouveau_gem_kunmap(struct dma_buf *dma_buf, unsigned long page_num,
 
 }
 
-struct dma_buf_ops nouveau_dmabuf_ops =  {
+static const struct dma_buf_ops nouveau_dmabuf_ops =  {
 	.map_dma_buf = nouveau_gem_map_dma_buf,
 	.unmap_dma_buf = nouveau_gem_unmap_dma_buf,
 	.release = nouveau_gem_dmabuf_release,
diff --git a/drivers/gpu/drm/radeon/radeon_prime.c b/drivers/gpu/drm/radeon/radeon_prime.c
index 24f51753c9aaf7269c272eccac6050b405a9d909..b8f835d8ecb4127a2c4b8771e1b74859f0561c5d 100644
--- a/drivers/gpu/drm/radeon/radeon_prime.c
+++ b/drivers/gpu/drm/radeon/radeon_prime.c
@@ -85,7 +85,7 @@ static void radeon_gem_kunmap(struct dma_buf *dma_buf, unsigned long page_num, v
 
 }
 
-struct dma_buf_ops radeon_dmabuf_ops =  {
+const static struct dma_buf_ops radeon_dmabuf_ops =  {
 	.map_dma_buf = radeon_gem_map_dma_buf,
 	.unmap_dma_buf = radeon_gem_unmap_dma_buf,
 	.release = radeon_gem_dmabuf_release,