[PATCH v4 06/10] drm/msm: hdmi: declare supported infoframes
From: Dmitry Baryshkov <hidden>
Date: 2025-09-09 14:52:33
Also in:
dri-devel, linux-arm-msm, linux-rockchip, linux-sunxi, lkml
Subsystem:
drm driver for qualcomm display hardware, drm drivers, the rest · Maintainers:
Rob Clark, Dmitry Baryshkov, David Airlie, Simona Vetter, 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: Liu Ying <victor.liu@nxp.com> Acked-by: Daniel Stone <redacted> Signed-off-by: Dmitry Baryshkov <redacted> --- drivers/gpu/drm/msm/hdmi/hdmi_bridge.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)
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 |
--
2.47.3