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drm: bridge: Add dual_link field to the drm_bridge_timings structure

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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>
Tested-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
This commit is contained in:
Laurent Pinchart 2019-03-04 23:05:34 +02:00
parent 66659d9d09
commit b0a6b94027
1 changed files with 8 additions and 0 deletions
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8
include/drm/drm_bridge.h
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@ -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;
};
/**