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It makes sense to require the clear_infoframes callback for HDMI connectors utilizing drmm_connector_hdmi_init(). Acked-by: Maxime Ripard Signed-off-by: Dmitry Baryshkov --- drivers/gpu/drm/drm_connector.c | 4 ++++ drivers/gpu/drm/tests/drm_connector_test.c | 15 +++++++++++++++ drivers/gpu/drm/tests/drm_hdmi_state_helper_test.c | 22 ++++++++++++++++++= ++++ include/drm/drm_connector.h | 2 +- 4 files changed, 42 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connecto= r.c index 4d6dc9ebfdb5..40e025712c9b 100644 --- a/drivers/gpu/drm/drm_connector.c +++ b/drivers/gpu/drm/drm_connector.c @@ -600,6 +600,10 @@ 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 + if (!hdmi_funcs->clear_infoframe || + !hdmi_funcs->write_infoframe) + return -EINVAL; + ret =3D drmm_connector_init(dev, connector, funcs, connector_type, ddc); if (ret) return ret; diff --git a/drivers/gpu/drm/tests/drm_connector_test.c b/drivers/gpu/drm/t= ests/drm_connector_test.c index 22e2d959eb31..f356ea695ae7 100644 --- a/drivers/gpu/drm/tests/drm_connector_test.c +++ b/drivers/gpu/drm/tests/drm_connector_test.c @@ -25,7 +25,22 @@ struct drm_connector_init_priv { struct i2c_adapter ddc; }; =20 +static int accept_infoframe_clear_infoframe(struct drm_connector *connecto= r, + enum hdmi_infoframe_type type) +{ + return 0; +} + +static int accept_infoframe_write_infoframe(struct drm_connector *connecto= r, + enum hdmi_infoframe_type type, + const u8 *buffer, size_t len) +{ + return 0; +} + static const struct drm_connector_hdmi_funcs dummy_hdmi_funcs =3D { + .clear_infoframe =3D accept_infoframe_clear_infoframe, + .write_infoframe =3D accept_infoframe_write_infoframe, }; =20 static const struct drm_connector_funcs dummy_funcs =3D { diff --git a/drivers/gpu/drm/tests/drm_hdmi_state_helper_test.c b/drivers/g= pu/drm/tests/drm_hdmi_state_helper_test.c index 80f819a9ff5b..cfa14a6eb97f 100644 --- a/drivers/gpu/drm/tests/drm_hdmi_state_helper_test.c +++ b/drivers/gpu/drm/tests/drm_hdmi_state_helper_test.c @@ -78,7 +78,22 @@ static int set_connector_edid(struct kunit *test, struct= drm_connector *connecto return ret; } =20 +static int accept_infoframe_clear_infoframe(struct drm_connector *connecto= r, + enum hdmi_infoframe_type type) +{ + return 0; +} + +static int accept_infoframe_write_infoframe(struct drm_connector *connecto= r, + enum hdmi_infoframe_type type, + const u8 *buffer, size_t len) +{ + return 0; +} + static const struct drm_connector_hdmi_funcs dummy_connector_hdmi_funcs = =3D { + .clear_infoframe =3D accept_infoframe_clear_infoframe, + .write_infoframe =3D accept_infoframe_write_infoframe, }; =20 static enum drm_mode_status @@ -91,6 +106,8 @@ reject_connector_tmds_char_rate_valid(const struct drm_c= onnector *connector, =20 static const struct drm_connector_hdmi_funcs reject_connector_hdmi_funcs = =3D { .tmds_char_rate_valid =3D reject_connector_tmds_char_rate_valid, + .clear_infoframe =3D accept_infoframe_clear_infoframe, + .write_infoframe =3D accept_infoframe_write_infoframe, }; =20 static enum drm_mode_status @@ -103,6 +120,8 @@ reject_100mhz_connector_tmds_char_rate_valid(const stru= ct drm_connector *connect =20 static const struct drm_connector_hdmi_funcs reject_100mhz_connector_hdmi_= funcs =3D { .tmds_char_rate_valid =3D reject_100mhz_connector_tmds_char_rate_valid, + .clear_infoframe =3D accept_infoframe_clear_infoframe, + .write_infoframe =3D accept_infoframe_write_infoframe, }; =20 static int dummy_connector_get_modes(struct drm_connector *connector) @@ -2441,6 +2460,7 @@ static int reject_avi_infoframe_write_infoframe(struc= t drm_connector *connector, } =20 static const struct drm_connector_hdmi_funcs reject_avi_infoframe_hdmi_fun= cs =3D { + .clear_infoframe =3D accept_infoframe_clear_infoframe, .write_infoframe =3D reject_avi_infoframe_write_infoframe, }; =20 @@ -2543,6 +2563,7 @@ static int reject_hdr_infoframe_write_infoframe(struc= t drm_connector *connector, } =20 static const struct drm_connector_hdmi_funcs reject_hdr_infoframe_hdmi_fun= cs =3D { + .clear_infoframe =3D accept_infoframe_clear_infoframe, .write_infoframe =3D reject_hdr_infoframe_write_infoframe, }; =20 @@ -2790,6 +2811,7 @@ static int reject_audio_infoframe_write_infoframe(str= uct drm_connector *connecto } =20 static const struct drm_connector_hdmi_funcs reject_audio_infoframe_hdmi_f= uncs =3D { + .clear_infoframe =3D accept_infoframe_clear_infoframe, .write_infoframe =3D reject_audio_infoframe_write_infoframe, }; =20 diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h index 8f34f4b8183d..4543833acdec 100644 --- a/include/drm/drm_connector.h +++ b/include/drm/drm_connector.h @@ -1253,7 +1253,7 @@ struct drm_connector_hdmi_funcs { * called multiple times, once for every disabled infoframe * type. * - * The @clear_infoframe callback is optional. + * The @clear_infoframe callback is mandatory. * * Returns: * 0 on success, a negative error code otherwise --=20 2.47.3