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Signed-off-by: Dmitry Baryshkov --- drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c | 51 ++++++++++++++++++++++++++++++= ---- 1 file changed, 45 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c b/drivers/gpu/drm/sun4i= /sun4i_hdmi_enc.c index ab0938ba61f7d75dd0bec473807a04a20e1cffbd..6d41207548386c0ae14ba0a9b75= 53fe0d3bd001c 100644 --- a/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c +++ b/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c @@ -47,11 +47,8 @@ static int sun4i_hdmi_write_infoframe(struct drm_connect= or *connector, struct sun4i_hdmi *hdmi =3D drm_connector_to_sun4i_hdmi(connector); int i; =20 - if (type !=3D HDMI_INFOFRAME_TYPE_AVI) { - drm_err(connector->dev, - "Unsupported infoframe type: %u\n", type); - return 0; - } + if (type !=3D HDMI_INFOFRAME_TYPE_AVI) + return -EOPNOTSUPP; =20 for (i =3D 0; i < len; i++) writeb(buffer[i], hdmi->base + SUN4I_HDMI_AVI_INFOFRAME_REG(i)); @@ -60,6 +57,47 @@ static int sun4i_hdmi_write_infoframe(struct drm_connect= or *connector, =20 } =20 +static int sun4i_hdmi_clear_infoframe(struct drm_connector *connector, + enum hdmi_infoframe_type type) +{ + if (type !=3D HDMI_INFOFRAME_TYPE_AVI) + return -EOPNOTSUPP; + + // XXX: is there a way to actually disable the infoframe? + + return 0; +} + +static int sun4i_hdmi_atomic_check(struct drm_connector *connector, + struct drm_atomic_state *state) +{ + struct drm_connector_state *conn_state =3D + drm_atomic_get_new_connector_state(state, connector); + int ret; + + ret =3D drm_atomic_helper_connector_hdmi_check(connector, state); + if (ret) + return ret; + + /* not supported by the driver */ + conn_state->hdmi.infoframes.spd.set =3D false; + + /* FIXME: not supported by the driver */ + conn_state->hdmi.infoframes.hdmi.set =3D false; + + /* should not happen, audio support not enabled */ + if (drm_WARN_ON_ONCE(connector->dev, + connector->hdmi.infoframes.audio.set)) + return -EOPNOTSUPP; + + /* should not happen, HDR support not enabled */ + if (drm_WARN_ON_ONCE(connector->dev, + conn_state->hdmi.infoframes.hdr_drm.set)) + return -EOPNOTSUPP; + + return 0; +} + static void sun4i_hdmi_disable(struct drm_encoder *encoder, struct drm_atomic_state *state) { @@ -237,10 +275,11 @@ static struct i2c_adapter *sun4i_hdmi_get_ddc(struct = device *dev) static const struct drm_connector_hdmi_funcs sun4i_hdmi_hdmi_connector_fun= cs =3D { .tmds_char_rate_valid =3D sun4i_hdmi_connector_clock_valid, .write_infoframe =3D sun4i_hdmi_write_infoframe, + .clear_infoframe =3D sun4i_hdmi_clear_infoframe, }; =20 static const struct drm_connector_helper_funcs sun4i_hdmi_connector_helper= _funcs =3D { - .atomic_check =3D drm_atomic_helper_connector_hdmi_check, + .atomic_check =3D sun4i_hdmi_atomic_check, .mode_valid =3D drm_hdmi_connector_mode_valid, .get_modes =3D sun4i_hdmi_get_modes, }; --=20 2.47.3