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Suggested-by: Maxime Ripard Signed-off-by: Dmitry Baryshkov --- drivers/gpu/drm/drm_connector.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connecto= r.c index f031e8f8df57da15bb0f8fe21fd62f02a1576ebe..12ee06bad364183ad56a20b2bf9= 860491913a295 100644 --- a/drivers/gpu/drm/drm_connector.c +++ b/drivers/gpu/drm/drm_connector.c @@ -582,6 +582,7 @@ int drmm_connector_hdmi_init(struct drm_device *dev, unsigned long autogenerated_infoframes, unsigned int max_bpc) { + unsigned long supported_infoframes; int ret; =20 if (!vendor || !product) @@ -604,6 +605,15 @@ int drmm_connector_hdmi_init(struct drm_device *dev, if (!(max_bpc =3D=3D 8 || max_bpc =3D=3D 10 || max_bpc =3D=3D 12)) return -EINVAL; =20 + supported_infoframes =3D software_infoframes | autogenerated_infoframes; + + /* AVI is required */ + if (!(supported_infoframes & DRM_CONNECTOR_INFOFRAME_AVI)) + return -EINVAL; + + if (!(supported_infoframes & DRM_CONNECTOR_INFOFRAME_VENDOR)) + drm_info(dev, "HDMI conneector with no support for Vendor-Specific InfoF= rame\n"); + ret =3D drmm_connector_init(dev, connector, funcs, connector_type, ddc); if (ret) return ret; --=20 2.47.2