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drm/bridge: dw-hdmi: document the output_port field

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The meaning of this flag may not be obvious at first sight.

Reviewed-by: Liu Ying <victor.liu@nxp.com>
Tested-by: Martyn Welch <martyn.welch@collabora.com>
Tested-by: Alexander Stein <alexander.stein@ew.tq-group.com> # TQMa8MPxL/MBa8MPxL
Tested-by: Damon Ding <damon.ding@rock-chips.com> # rk3399
Link: https://patch.msgid.link/20260407-drm-lcdif-dbanc-v4-5-247a16e61ef9@bootlin.com
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
This commit is contained in:
Luca Ceresoli
2026-04-07 14:24:19 +02:00
parent a6bdf27448
commit ec9dfa70c2
1 changed files with 6 additions and 0 deletions
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6
include/drm/bridge/dw_hdmi.h
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@@ -126,6 +126,12 @@ struct dw_hdmi_phy_ops {
struct dw_hdmi_plat_data {
struct regmap *regm;
/*
* The HDMI output port number must be 1 if the port is described
* in the device tree. 0 if the device tree does not describe the
* next component (legacy mode, i.e. without
* DRM_BRIDGE_ATTACH_NO_CONNECTOR flag when attaching bridge).
*/
unsigned int output_port;
unsigned long input_bus_encoding;