drm/nouveau/disp,pm: constify nvkm_object_func structures

---
 drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv04.c | 2 +-
 drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c       | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
 
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv04.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv04.c
index 62d3fb6..2be8463 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv04.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv04.c
@@ -109,7 +109,7 @@ nv04_disp_mthd(struct nvkm_object *object, u32 mthd, void *data, u32 size)
 	return -EINVAL;
 }
 
-static struct nvkm_object_func
+static const struct nvkm_object_func
 nv04_disp_root = {
 	.mthd = nv04_disp_mthd,
 	.ntfy = nvkm_disp_ntfy,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c
index 0db9be2..2721592 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c
@@ -633,7 +633,7 @@ nvkm_perfmon_dtor(struct nvkm_object *object)
 	return perfmon;
 }
 
-static struct nvkm_object_func
+static const struct nvkm_object_func
 nvkm_perfmon = {
 	.dtor = nvkm_perfmon_dtor,
 	.mthd = nvkm_perfmon_mthd,