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-rw-r--r--include/drm/drm_crtc.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 820bc0977e5e..125994d8ac0b 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -739,4 +739,7 @@ extern bool drm_detect_hdmi_monitor(struct edid *edid);
extern struct drm_display_mode *drm_cvt_mode(struct drm_device *dev,
int hdisplay, int vdisplay, int vrefresh,
bool reduced, bool interlaced);
+extern struct drm_display_mode *drm_gtf_mode(struct drm_device *dev,
+ int hdisplay, int vdisplay, int vrefresh,
+ bool interlaced, int margins);
#endif /* __DRM_CRTC_H__ */