New subject: [PATCH v2 2/2] drm/bridge: tc358767: Report DSI-to-(e)DP as supported

19 May 2022

Handle empty data-lanes = < >; property, which translates to
dsi_lanes = 0 as invalid.
Reviewed-by: Andrzej Hajda andrzej.hajda@intel.com
Reviewed-by: Lucas Stach l.stach@pengutronix.de
Fixes: bbfd3190b6562 ("drm/bridge: tc358767: Add DSI-to-DPI mode support")
Signed-off-by: Marek Vasut marex@denx.de
Cc: Jonas Karlman jonas@kwiboo.se
Cc: Laurent Pinchart Laurent.pinchart@ideasonboard.com
Cc: Lucas Stach l.stach@pengutronix.de
Cc: Marek Vasut marex@denx.de
Cc: Maxime Ripard maxime@cerno.tech
Cc: Neil Armstrong narmstrong@baylibre.com
Cc: Robert Foss robert.foss@linaro.org
Cc: Sam Ravnborg sam@ravnborg.org
---
V2: - Add RB from Andrzej and Lucas
---
 drivers/gpu/drm/bridge/tc358767.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c
index 798da0e4d0863..f78c2ad845159 100644
--- a/drivers/gpu/drm/bridge/tc358767.c
+++ b/drivers/gpu/drm/bridge/tc358767.c
@@ -1899,7 +1899,7 @@ static int tc_mipi_dsi_host_attach(struct tc_data *tc)
    of_node_put(host_node);
    of_node_put(endpoint);
-	if (dsi_lanes < 0 || dsi_lanes > 4)
+	if (dsi_lanes <= 0 || dsi_lanes > 4)
    	return -EINVAL;
if (!host)
-- 
2.35.1


    

[PATCH v2 1/2] drm/bridge: tc358767: Handle dsi_lanes == 0 as invalid