Unverified Commit 7c5537ce authored by Dmitry Baryshkov's avatar Dmitry Baryshkov Committed by Robert Foss
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drm/bridge: lt9611uxc: properly attach to a next bridge 



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: default avatarDmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: default avatarRobert Foss <rfoss@kernel.org>
Signed-off-by: default avatarRobert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240701-lt9611uxc-next-bridge-v1-1-665bce5fdaaa@linaro.org
parent a99aff26

drivers/gpu/drm/bridge/lontium-lt9611uxc.c

+8 −1
Original line number Diff line number Diff line
@@ -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, &lt9611uxc->next_bridge);

}



static int lt9611uxc_gpio_init(struct lt9611uxc *lt9611uxc)