drm_plane_helper_funcs and drm_plane_funcsare not supposed to change at runtime. All functions working with drm_plane_helper_funcs and drm_plane_funcs work with const. So mark the non-const structs as const.
File size before: text data bss dec hex filename 6072 596 0 6668 1a0c atmel_hlcdc_plane.o
File size After adding 'const': text data bss dec hex filename 6218 436 0 6654 19fe atmel_hlcdc_plane.o
Signed-off-by: Arvind Yadav arvind.yadav.cs@gmail.com --- drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c index 29cc10d..ea72e1f 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c @@ -911,7 +911,7 @@ void atmel_hlcdc_plane_irq(struct atmel_hlcdc_plane *plane) desc->name); }
-static struct drm_plane_helper_funcs atmel_hlcdc_layer_plane_helper_funcs = { +static const struct drm_plane_helper_funcs atmel_hlcdc_layer_plane_helper_funcs = { .atomic_check = atmel_hlcdc_plane_atomic_check, .atomic_update = atmel_hlcdc_plane_atomic_update, .atomic_disable = atmel_hlcdc_plane_atomic_disable, @@ -1020,7 +1020,7 @@ static void atmel_hlcdc_plane_atomic_destroy_state(struct drm_plane *p, kfree(state); }
-static struct drm_plane_funcs layer_plane_funcs = { +static const struct drm_plane_funcs layer_plane_funcs = { .update_plane = drm_atomic_helper_update_plane, .disable_plane = drm_atomic_helper_disable_plane, .set_property = drm_atomic_helper_plane_set_property,