[PATCH v7 3/7] drm/bridge: dw-hdmi: Add API dw_hdmi_to_plat_data() to get plat_data

Shengjiu Wang
2025-09-23T05:31:00Z

Add API dw_hdmi_to_plat_data() to fetch plat_data because audio device
driver needs it to enable(disable)_audio().

Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Acked-by: Liu Ying <victor.liu@nxp.com>
Tested-by: Alexander Stein <alexander.stein@ew.tq-group.com>
---
drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 6 ++++++
include/drm/bridge/dw_hdmi.h | 2 ++
2 files changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
index 206b099a35e9..8d096b569cf1 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
@@ -198,6 +198,12 @@ struct dw_hdmi {
enum drm_connector_status last_connector_result;
};

+const struct dw_hdmi_plat_data *dw_hdmi_to_plat_data(struct dw_hdmi *hdmi)
+{
+ return hdmi->plat_data;
+}
+EXPORT_SYMBOL_GPL(dw_hdmi_to_plat_data);
+
#define HDMI_IH_PHY_STAT0_RX_SENSE \
(HDMI_IH_PHY_STAT0_RX_SENSE0 | HDMI_IH_PHY_STAT0_RX_SENSE1 | \
HDMI_IH_PHY_STAT0_RX_SENSE2 | HDMI_IH_PHY_STAT0_RX_SENSE3)
diff --git a/include/drm/bridge/dw_hdmi.h b/include/drm/bridge/dw_hdmi.h
index 6a46baa0737c..b8fc4fdf5a21 100644
--- a/include/drm/bridge/dw_hdmi.h
+++ b/include/drm/bridge/dw_hdmi.h
@@ -208,4 +208,6 @@ void dw_hdmi_phy_setup_hpd(struct dw_hdmi *hdmi, void *data);

bool dw_hdmi_bus_fmt_is_420(struct dw_hdmi *hdmi);

+const struct dw_hdmi_plat_data *dw_hdmi_to_plat_data(struct dw_hdmi *hdmi);
+
#endif /* __IMX_HDMI_H__ */
--
2.34.1