diff options
| author | Marek Vasut <marex@denx.de> | 2022-05-19 01:38:44 +0200 |
|---|---|---|
| committer | Robert Foss <robert.foss@linaro.org> | 2022-05-23 11:38:43 +0200 |
| commit | 2ba5b683260e13d8f2c43bc594d5ae15ec7f7a04 (patch) | |
| tree | f1b84c2b707b87810aefb58489ed37fa1e384249 | |
| parent | 4cd79f614b501e496ee8e4181d528c0cc1cb4e18 (diff) | |
drm/bridge: ti-sn65dsi83: Handle dsi_lanes == 0 as invalid
Handle empty data-lanes = < >; property, which translates to
dsi_lanes = 0 as invalid.
Fixes: ceb515ba29ba6 ("drm/bridge: ti-sn65dsi83: Add TI SN65DSI83 and SN65DSI84 driver")
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>
Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220518233844.248504-1-marex@denx.de
| -rw-r--r-- | drivers/gpu/drm/bridge/ti-sn65dsi83.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi83.c b/drivers/gpu/drm/bridge/ti-sn65dsi83.c index 2831f0813c3a8..ac66f408b40c5 100644 --- a/drivers/gpu/drm/bridge/ti-sn65dsi83.c +++ b/drivers/gpu/drm/bridge/ti-sn65dsi83.c @@ -577,7 +577,7 @@ static int sn65dsi83_parse_dt(struct sn65dsi83 *ctx, enum sn65dsi83_model model) ctx->host_node = of_graph_get_remote_port_parent(endpoint); of_node_put(endpoint); - if (ctx->dsi_lanes < 0 || ctx->dsi_lanes > 4) { + if (ctx->dsi_lanes <= 0 || ctx->dsi_lanes > 4) { ret = -EINVAL; goto err_put_node; } |