diff --git a/drivers/gpu/drm/arc/arcpgu_drv.c b/drivers/gpu/drm/arc/arcpgu_drv.c
index 415b7dae096064ae7fdc5999e2840c45c7e1970b..f75c341566ac77df7b354121b9776ab236f986df 100644
--- a/drivers/gpu/drm/arc/arcpgu_drv.c
+++ b/drivers/gpu/drm/arc/arcpgu_drv.c
@@ -31,7 +31,7 @@ static void arcpgu_fb_output_poll_changed(struct drm_device *dev)
 	drm_fbdev_cma_hotplug_event(arcpgu->fbdev);
 }
 
-static struct drm_mode_config_funcs arcpgu_drm_modecfg_funcs = {
+static const struct drm_mode_config_funcs arcpgu_drm_modecfg_funcs = {
 	.fb_create  = drm_fb_cma_create,
 	.output_poll_changed = arcpgu_fb_output_poll_changed,
 	.atomic_check = drm_atomic_helper_check,
diff --git a/drivers/gpu/drm/pl111/pl111_drv.c b/drivers/gpu/drm/pl111/pl111_drv.c
index 29653fe5285c91e419662e3adeaf7cf7a0f7b05a..0ea3ca823034f08496413b81dd2fe7e193136c75 100644
--- a/drivers/gpu/drm/pl111/pl111_drv.c
+++ b/drivers/gpu/drm/pl111/pl111_drv.c
@@ -72,7 +72,7 @@
 
 #define DRIVER_DESC      "DRM module for PL111"
 
-static struct drm_mode_config_funcs mode_config_funcs = {
+static const struct drm_mode_config_funcs mode_config_funcs = {
 	.fb_create = drm_fb_cma_create,
 	.atomic_check = drm_atomic_helper_check,
 	.atomic_commit = drm_atomic_helper_commit,