[Intel-gfx] [PATCH 25/37] drm: Constify mode to be duplicated

[Chris Wilson]

As this function does not modify its input and we wish to use it with
static driver data, mark it const to suppress compiler warnings.

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Dave Airlie <airlied at redhat.com>
---
 drivers/gpu/drm/drm_modes.c |    2 +-
 include/drm/drm_crtc.h      |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
index 76d6339..128ceed 100644
--- a/drivers/gpu/drm/drm_modes.c
+++ b/drivers/gpu/drm/drm_modes.c
@@ -689,7 +689,7 @@ EXPORT_SYMBOL(drm_mode_set_crtcinfo);
  * a pointer to it.  Used to create new instances of established modes.
  */
 struct drm_display_mode *drm_mode_duplicate(struct drm_device *dev,
-					    struct drm_display_mode *mode)
+					    const struct drm_display_mode *mode)
 {
 	struct drm_display_mode *nmode;
 	int new_id;
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 1347524..8d760cd 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -672,7 +672,7 @@ extern int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid
 extern void drm_mode_probed_add(struct drm_connector *connector, struct drm_display_mode *mode);
 extern void drm_mode_remove(struct drm_connector *connector, struct drm_display_mode *mode);
 extern struct drm_display_mode *drm_mode_duplicate(struct drm_device *dev,
-						   struct drm_display_mode *mode);
+						   const struct drm_display_mode *mode);
 extern void drm_mode_debug_printmodeline(struct drm_display_mode *mode);
 extern void drm_mode_config_init(struct drm_device *dev);
 extern void drm_mode_config_cleanup(struct drm_device *dev);
-- 
1.7.0