[PATCH v4 05/10] drm/bridge: synopsys/dw-hdmi-qp: declare supported infoframes
From: Dmitry Baryshkov <hidden>
Date: 2025-09-09 14:52:28
Also in:
dri-devel, linux-arm-msm, linux-rockchip, linux-sunxi, lkml
Subsystem:
drm drivers, drm drivers and misc gpu patches, drm drivers for bridge chips, the rest · Maintainers:
David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Andrzej Hajda, Neil Armstrong, Robert Foss, Linus Torvalds
Declare which infoframes are supported via the .hdmi_write_infoframe() interface. Return -EOPNOTSUPP if the driver is asked to write or clear the unsupported InfoFrame. Reviewed-by: Daniel Stone <redacted> Acked-by: Daniel Stone <redacted> Signed-off-by: Dmitry Baryshkov <redacted> --- drivers/gpu/drm/bridge/synopsys/dw-hdmi-qp.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-qp.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-qp.c
index 39332c57f2c54296f39e27612544f4fbf923863f..9a195c479bcaf112f67b6a2f085402d0e33896de 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-qp.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-qp.c@@ -936,6 +936,7 @@ static int dw_hdmi_qp_bridge_clear_infoframe(struct drm_bridge *bridge, break; default: dev_dbg(hdmi->dev, "Unsupported infoframe type %x\n", type); + return -EOPNOTSUPP; } return 0;
@@ -961,7 +962,7 @@ static int dw_hdmi_qp_bridge_write_infoframe(struct drm_bridge *bridge, default: dev_dbg(hdmi->dev, "Unsupported infoframe type %x\n", type); - return 0; + return -EOPNOTSUPP; } }
@@ -1084,6 +1085,10 @@ struct dw_hdmi_qp *dw_hdmi_qp_bind(struct platform_device *pdev, hdmi->bridge.type = DRM_MODE_CONNECTOR_HDMIA; hdmi->bridge.vendor = "Synopsys"; hdmi->bridge.product = "DW HDMI QP TX"; + hdmi->bridge.supported_infoframes = + DRM_CONNECTOR_INFOFRAME_AUDIO | + DRM_CONNECTOR_INFOFRAME_AVI | + DRM_CONNECTOR_INFOFRAME_DRM; hdmi->bridge.ddc = dw_hdmi_qp_i2c_adapter(hdmi); if (IS_ERR(hdmi->bridge.ddc))
--
2.47.3