diff --git a/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c b/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c
index d9644c0c5a83274bde3d58c91a2d58eba3490bf7..163317d26de9bc866a6305dc2e963e4cffa6f242 100644
--- a/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c
+++ b/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c
@@ -769,7 +769,7 @@ static void nv17_tv_destroy(struct drm_encoder *encoder)
 	kfree(tv_enc);
 }
 
-static struct drm_encoder_helper_funcs nv17_tv_helper_funcs = {
+static const struct drm_encoder_helper_funcs nv17_tv_helper_funcs = {
 	.dpms = nv17_tv_dpms,
 	.mode_fixup = nv17_tv_mode_fixup,
 	.prepare = nv17_tv_prepare,
@@ -778,14 +778,14 @@ static struct drm_encoder_helper_funcs nv17_tv_helper_funcs = {
 	.detect = nv17_tv_detect,
 };
 
-static struct drm_encoder_slave_funcs nv17_tv_slave_funcs = {
+static const struct drm_encoder_slave_funcs nv17_tv_slave_funcs = {
 	.get_modes = nv17_tv_get_modes,
 	.mode_valid = nv17_tv_mode_valid,
 	.create_resources = nv17_tv_create_resources,
 	.set_property = nv17_tv_set_property,
 };
 
-static struct drm_encoder_funcs nv17_tv_funcs = {
+static const struct drm_encoder_funcs nv17_tv_funcs = {
 	.destroy = nv17_tv_destroy,
 };