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Subject[PATCH/RFC 07/12] drm: rcar-du: lvds: Add support for dual link panels
Date
If the display comes with two ports, assume it supports dual
link.

Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
---
drivers/gpu/drm/rcar-du/rcar_lvds.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/rcar-du/rcar_lvds.c b/drivers/gpu/drm/rcar-du/rcar_lvds.c
index 2d54ae5..97c51c2 100644
--- a/drivers/gpu/drm/rcar-du/rcar_lvds.c
+++ b/drivers/gpu/drm/rcar-du/rcar_lvds.c
@@ -751,6 +751,9 @@ static int rcar_lvds_parse_dt(struct rcar_lvds *lvds)
ret = -EPROBE_DEFER;
goto done;
}
+ if (lvds->info->quirks & RCAR_LVDS_QUIRK_DUAL_LINK)
+ lvds->dual_link = of_graph_get_endpoint_count(remote)
+ == 2;
}

if (lvds->dual_link) {
--
2.7.4
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