diff mbox series

[v2,01/10] drm: bridge: Add dual_link field to the drm_bridge_timings structure

Message ID 20190511210702.18394-2-laurent.pinchart+renesas@ideasonboard.com (mailing list archive)
State New, archived
Headers show
Series R-Car DU: LVDS dual-link mode support | expand

Commit Message

Laurent Pinchart May 11, 2019, 9:06 p.m. UTC
Extend the drm_bridge_timings structure with a new dual_link field to
indicate that the bridge's input bus carries data on two separate
physical links. The first use case is LVDS dual-link mode where even-
and odd-numbered pixels are transferred on separate LVDS links.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
 include/drm/drm_bridge.h | 8 ++++++++
 1 file changed, 8 insertions(+)
diff mbox series


diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h
index d4428913a4e1..aea1fcfd92a7 100644
--- a/include/drm/drm_bridge.h
+++ b/include/drm/drm_bridge.h
@@ -265,6 +265,14 @@  struct drm_bridge_timings {
 	 * input signal after the clock edge.
 	u32 hold_time_ps;
+	/**
+	 * @dual_link:
+	 *
+	 * True if the bus operates in dual-link mode. The exact meaning is
+	 * dependent on the bus type. For LVDS buses, this indicates that even-
+	 * and odd-numbered pixels are received on separate links.
+	 */
+	bool dual_link;