drm: Constify drm_mode_config atomic helper private pointer
The drm_mode_config helper private field points to a structure of
function pointers that don't need to be modified at runtime. Make it
const.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Gabriel Krisman Bertazi <krisman@collabora.co.uk>
Acked-by: Brian Starkey <brian.starkey@arm.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170102091613.6310-1-laurent.pinchart@ideasonboard.com
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index ace4485..cceb551 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -1170,7 +1170,7 @@ EXPORT_SYMBOL(drm_atomic_helper_commit_tail);
static void commit_tail(struct drm_atomic_state *old_state)
{
struct drm_device *dev = old_state->dev;
- struct drm_mode_config_helper_funcs *funcs;
+ const struct drm_mode_config_helper_funcs *funcs;
funcs = dev->mode_config.helper_private;