If there is a next bridge in the OF graph don't let it be ignored. Attach the next bridge to the chain. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> --- drivers/gpu/drm/bridge/lontium-lt9611uxc.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c index 4e802b54a1cb..4d379d0d24d9 100644 --- a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c +++ b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c @@ -23,6 +23,7 @@ #include <drm/drm_bridge.h> #include <drm/drm_edid.h> #include <drm/drm_mipi_dsi.h> +#include <drm/drm_of.h> #include <drm/drm_print.h> #include <drm/drm_probe_helper.h> @@ -34,6 +35,7 @@ struct lt9611uxc { struct device *dev; struct drm_bridge bridge; + struct drm_bridge *next_bridge; struct drm_connector connector; struct regmap *regmap; @@ -358,6 +360,11 @@ static int lt9611uxc_bridge_attach(struct drm_bridge *bridge, struct lt9611uxc *lt9611uxc = bridge_to_lt9611uxc(bridge); int ret; + ret = drm_bridge_attach(bridge->encoder, lt9611uxc->next_bridge, + bridge, flags | DRM_BRIDGE_ATTACH_NO_CONNECTOR); + if (ret) + return ret; + if (!(flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR)) { ret = lt9611uxc_connector_init(bridge, lt9611uxc); if (ret < 0) @@ -525,7 +532,7 @@ static int lt9611uxc_parse_dt(struct device *dev, lt9611uxc->dsi1_node = of_graph_get_remote_node(dev->of_node, 1, -1); - return 0; + return drm_of_find_panel_or_bridge(dev->of_node, 2, -1, NULL, <9611uxc->next_bridge); } static int lt9611uxc_gpio_init(struct lt9611uxc *lt9611uxc) -- 2.39.2