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| author | Marek Vasut <marex@denx.de> | 2022-05-19 12:51:36 +0300 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2022-05-21 18:58:54 +0300 |
| commit | 0d662350928e6787d29ab205e47e5aa6f1f792f9 (patch) | |
| tree | 8ecc8015484866e7f6b0367e3635a6a6212499ea /drivers/gpu/drm/bridge/tc358767.c | |
| parent | 39c28cdfb719f0e306b447f0827dfd712f81858b (diff) | |
| download | linux-0d662350928e6787d29ab205e47e5aa6f1f792f9.tar.xz | |
drm/bridge: tc358767: Handle dsi_lanes == 0 as invalid
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>
Link: https://patchwork.freedesktop.org/patch/msgid/20220519095137.11896-1-marex@denx.de
Diffstat (limited to 'drivers/gpu/drm/bridge/tc358767.c')
| -rw-r--r-- | drivers/gpu/drm/bridge/tc358767.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index 798da0e4d086..f78c2ad84515 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) |