5.4-stable review patch. If anyone has any objections, please let me know.
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From: Biju Das biju.das.jz@bp.renesas.com
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.... [2] https://www.analog.com/media/en/technical-documentation/data-sheets/ADV7533....
Fixes: 1e4d58cd7f88 ("drm/bridge: adv7533: Create a MIPI DSI device") Reported-by: Hien Huynh hien.huynh.px@renesas.com Cc: stable@vger.kernel.org Reviewed-by: Laurent Pinchart laurent.pinchart+renesas@ideasonboard.com Reviewed-by: Adam Ford aford173@gmail.com Signed-off-by: Biju Das biju.das.jz@bp.renesas.com Link: https://patchwork.freedesktop.org/patch/msgid/20241119192040.152657-4-biju.d... Signed-off-by: Dmitry Baryshkov dmitry.baryshkov@linaro.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- 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 @@ -193,7 +193,7 @@ 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;