2 files changed, 5 insertions, 0 deletions

diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 6588bffb6518..f444263055c5 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -1247,6 +1247,8 @@ extern int drm_plane_init(struct drm_device *dev,
 extern void drm_plane_cleanup(struct drm_plane *plane);
 extern unsigned int drm_plane_index(struct drm_plane *plane);
 extern void drm_plane_force_disable(struct drm_plane *plane);
+extern void drm_crtc_get_hv_timing(const struct drm_display_mode *mode,
+                                   int *hdisplay, int *vdisplay);
 extern int drm_crtc_check_viewport(const struct drm_crtc *crtc,
                                    int x, int y,
                                    const struct drm_display_mode *mode,
diff --git a/include/drm/drm_modes.h b/include/drm/drm_modes.h
index a36a5bfce2f5..b162ccd321f3 100644
--- a/include/drm/drm_modes.h
+++ b/include/drm/drm_modes.h
@@ -90,6 +90,9 @@ enum drm_mode_status {
 
 #define CRTC_INTERLACE_HALVE_V  (1 << 0) /* halve V values for interlacing */
 #define CRTC_STEREO_DOUBLE      (1 << 1) /* adjust timings for stereo modes */
+#define CRTC_NO_DBLSCAN         (1 << 2) /* don't adjust doublescan */
+#define CRTC_NO_VSCAN           (1 << 3) /* don't adjust doublescan */
+#define CRTC_STEREO_DOUBLE_ONLY (CRTC_NO_DBLSCAN | CRTC_NO_VSCAN)
 
 #define DRM_MODE_FLAG_3D_MAX    DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF