Convert driver to use this new helper to standardize
OF "data-lanes" parsing.
Signed-off-by: Marek Vasut <ma...@denx.de>
Cc: Andrzej Hajda <andrzej.ha...@intel.com>
Cc: Jagan Teki <ja...@amarulasolutions.com>
Cc: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
Cc: Lucas Stach <l.st...@pengutronix.de>
Cc: Maxime Ripard <max...@cerno.tech>
Cc: Robert Foss <robert.f...@linaro.org>
Cc: Sam Ravnborg <s...@ravnborg.org>
To: dri-devel@lists.freedesktop.org
---
drivers/gpu/drm/bridge/chipone-icn6211.c | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/bridge/chipone-icn6211.c
b/drivers/gpu/drm/bridge/chipone-icn6211.c
index 45bb89ac3fff7..e53a19f721c8c 100644
--- a/drivers/gpu/drm/bridge/chipone-icn6211.c
+++ b/drivers/gpu/drm/bridge/chipone-icn6211.c
@@ -496,21 +496,18 @@ static int chipone_dsi_attach(struct chipone *icn)
{
struct mipi_dsi_device *dsi = icn->dsi;
struct device *dev = icn->dev;
- struct device_node *endpoint;
int dsi_lanes, ret;
- endpoint = of_graph_get_endpoint_by_regs(dev->of_node, 0, 0);
- dsi_lanes = of_property_count_u32_elems(endpoint, "data-lanes");
- of_node_put(endpoint);
+ dsi_lanes = drm_of_get_data_lanes_ep(dev->of_node, 0, 0, 1, 4);
/*
* If the 'data-lanes' property does not exist in DT or is invalid,
* default to previously hard-coded behavior, which was 4 data lanes.
*/
- if (dsi_lanes >= 1 && dsi_lanes <= 4)
- icn->dsi->lanes = dsi_lanes;
- else
+ if (dsi_lanes < 0)
icn->dsi->lanes = 4;
+ else
+ icn->dsi->lanes = dsi_lanes;
dsi->format = MIPI_DSI_FMT_RGB888;
dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
--
2.35.1
