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>
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>

diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index e111b50..bea729a 100644 (file)
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -1052,8 +1052,8 @@ 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 ||
@@ -1094,8 +1094,8 @@ 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;