drm: Make drm_crtc_convert_{umode, to_umode} static and constify their params

drm_crtc_convert_umode() and drm_crtc_convert_to_umode() are never
used outside drm_crtc.c, so make them static. Also make the input
mode structure const for both functions.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 37d34ad3a0b8..e36bd43aaa14 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -1002,8 +1002,8 @@ EXPORT_SYMBOL(drm_mode_config_cleanup);
  * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to
  * the user.
  */
-void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out,
-                               struct drm_display_mode *in)
+static void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out,
+                                      const struct drm_display_mode *in)
 {
         WARN(in->hdisplay > USHRT_MAX || in->hsync_start > USHRT_MAX ||
              in->hsync_end > USHRT_MAX || in->htotal > USHRT_MAX ||
@@ -1044,8 +1044,8 @@ void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out,
  * RETURNS:
  * Zero on success, errno on failure.
  */
-int drm_crtc_convert_umode(struct drm_display_mode *out,
-                           struct drm_mode_modeinfo *in)
+static int drm_crtc_convert_umode(struct drm_display_mode *out,
+                                  const struct drm_mode_modeinfo *in)
 {
         if (in->clock > INT_MAX || in->vrefresh > INT_MAX)
                 return -ERANGE;