diff mbox series

[v4,06/10] drm/msm: hdmi: declare supported infoframes

Message ID 20250909-drm-limit-infoframes-v4-6-53fd0a65a4a2@oss.qualcomm.com (mailing list archive)
State New
Headers
Series drm/connector: hdmi: limit infoframes per driver capabilities |

Commit Message

Dmitry Baryshkov Sept. 9, 2025, 2:52 p.m. UTC 
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: Liu Ying <victor.liu@nxp.com>
Acked-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
---
 drivers/gpu/drm/msm/hdmi/hdmi_bridge.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c b/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c
index 46fd58646d32fd0611192595826a3aa680bd0d02..f6ba8032904187a2f169456052b0e4cbd60ab919 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c
+++ b/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c
@@ -249,6 +249,7 @@  static int msm_hdmi_bridge_clear_infoframe(struct drm_bridge *bridge,
 
 	default:
 		drm_dbg_driver(hdmi_bridge->base.dev, "Unsupported infoframe type %x\n", type);
+		return -EOPNOTSUPP;
 	}
 
 	return 0;
@@ -274,7 +275,7 @@  static int msm_hdmi_bridge_write_infoframe(struct drm_bridge *bridge,
 		return msm_hdmi_config_hdmi_infoframe(hdmi, buffer, len);
 	default:
 		drm_dbg_driver(hdmi_bridge->base.dev, "Unsupported infoframe type %x\n", type);
-		return 0;
+		return -EOPNOTSUPP;
 	}
 }
 
@@ -498,6 +499,11 @@  int msm_hdmi_bridge_init(struct hdmi *hdmi)
 	bridge->type = DRM_MODE_CONNECTOR_HDMIA;
 	bridge->vendor = "Qualcomm";
 	bridge->product = "Snapdragon";
+	bridge->supported_infoframes =
+		DRM_CONNECTOR_INFOFRAME_AVI |
+		DRM_CONNECTOR_INFOFRAME_AUDIO |
+		DRM_CONNECTOR_INFOFRAME_SPD |
+		DRM_CONNECTOR_INFOFRAME_VENDOR;
 	bridge->ops = DRM_BRIDGE_OP_HPD |
 		DRM_BRIDGE_OP_DETECT |
 		DRM_BRIDGE_OP_HDMI |