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drm/sun4i: constify drm_plane_helper_funcs

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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@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
This commit is contained in:
Arvind Yadav 2017-07-03 21:35:20 +05:30 committed by Maxime Ripard
parent 5771a8c088
commit 934d143192
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/sun4i/sun4i_layer.c
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@ -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,