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drm/bridge: icn6211: Convert to drm_of_get_data_lanes_count_ep 

Convert driver to use this new helper to standardize
OF "data-lanes" parsing.

Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Andrzej Hajda <andrzej.hajda@intel.com>
Cc: Jagan Teki <jagan@amarulasolutions.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Maxime Ripard <maxime@cerno.tech>
Cc: Robert Foss <robert.foss@linaro.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
To: dri-devel@lists.freedesktop.org
Link: https://patchwork.freedesktop.org/patch/msgid/20220524010522.528569-3-marex@denx.de
This commit is contained in:
Marek Vasut 2022-05-24 03:05:14 +02:00
parent 930e7cba11
commit 4af48f1d1d
1 changed files with 4 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/gpu/drm/bridge/chipone-icn6211.c
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@ -498,21 +498,18 @@ 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_count_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 |