5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Biju Das <biju.das.jz@xxxxxxxxxxxxxx> commit 79d67c499c3f886202a40c5cb27e747e4fa4d738 upstream. As per [1] and [2], ADV7535/7533 supports only 2-, 3-, or 4-lane. Drop unsupported 1-lane. [1] https://www.analog.com/media/en/technical-documentation/data-sheets/ADV7535.pdf [2] https://www.analog.com/media/en/technical-documentation/data-sheets/ADV7533.pdf Fixes: 1e4d58cd7f88 ("drm/bridge: adv7533: Create a MIPI DSI device") Reported-by: Hien Huynh <hien.huynh.px@xxxxxxxxxxx> Cc: stable@xxxxxxxxxxxxxxx Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx> Reviewed-by: Adam Ford <aford173@xxxxxxxxx> Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx> Link: https://patchwork.freedesktop.org/patch/msgid/20241119192040.152657-4-biju.das.jz@xxxxxxxxxxxxxx Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/bridge/adv7511/adv7533.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/bridge/adv7511/adv7533.c +++ b/drivers/gpu/drm/bridge/adv7511/adv7533.c @@ -191,7 +191,7 @@ int adv7533_parse_dt(struct device_node of_property_read_u32(np, "adi,dsi-lanes", &num_lanes); - if (num_lanes < 1 || num_lanes > 4) + if (num_lanes < 2 || num_lanes > 4) return -EINVAL; adv->num_dsi_lanes = num_lanes;
