drm_plane_helper_funcs are not supposed to change at runtime.
All functions working with drm_plane_helper_funcs provided by
<drm/drm_plane_helper.h> work with const drm_plane_helper_funcs.
So mark the non-const structs as const.
File size before:
text data bss dec hex filename
981 40 0 1021 3fd drivers/gpu/drm/sun4i/sun4i_layer.o
File size After adding 'const':
text data bss dec hex filename
1021 0 0 1021 3fd drivers/gpu/drm/sun4i/sun4i_layer.o
Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
---
drivers/gpu/drm/sun4i/sun4i_layer.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/sun4i/sun4i_layer.c b/drivers/gpu/drm/sun4i/sun4i_layer.c
index f26bde5..6191aac 100644
--- a/drivers/gpu/drm/sun4i/sun4i_layer.c
+++ b/drivers/gpu/drm/sun4i/sun4i_layer.c
@@ -52,7 +52,7 @@ static void sun4i_backend_layer_atomic_update(struct drm_plane *plane,
sun4i_backend_layer_enable(backend, layer->id, true);
}
-static struct drm_plane_helper_funcs sun4i_backend_layer_helper_funcs = {
+static const struct drm_plane_helper_funcs sun4i_backend_layer_helper_funcs = {
.atomic_check = sun4i_backend_layer_atomic_check,
.atomic_disable = sun4i_backend_layer_atomic_disable,
.atomic_update = sun4i_backend_layer_atomic_update,
--
2.7.4
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