diff mbox series

[01/21] drm: add clone mode check for CRTC

Message ID 20240829-concurrent-wb-v1-1-502b16ae2ebb@quicinc.com (mailing list archive)
State New, archived
Headers show
Series drm/msm/dpu: Add Concurrent Writeback Support for DPU 10.x+ | expand

Commit Message

Jessica Zhang Aug. 29, 2024, 8:48 p.m. UTC 
Add helper to check if the given CRTC state is in clone mode

Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com>
---
 include/drm/drm_crtc.h | 7 +++++++
 1 file changed, 7 insertions(+)
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Patch

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__ */