Add helper to check if the given CRTC state is in clone mode
Signed-off-by: Jessica Zhang <quic_jesszhan@xxxxxxxxxxx>
---
include/drm/drm_crtc.h | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 8b48a1974da3..ecb93e2c4afc 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -1323,5 +1323,12 @@ static inline struct drm_crtc *drm_crtc_find(struct drm_device *dev,
int drm_crtc_create_scaling_filter_property(struct drm_crtc *crtc,
unsigned int supported_filters);
+static inline bool drm_crtc_in_clone_mode(struct drm_crtc_state *crtc_state)
+{
+ if (!crtc_state)
+ return false;
+
+ return hweight32(crtc_state->encoder_mask) > 1;
+}
#endif /* __DRM_CRTC_H__ */
--
2.34.1
