diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c index 2d1359b1cb382a7efdd99b1f218a219abc679e32..905e5595dd8da0e81495a05b7e3554cccd926873 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c @@ -613,6 +613,10 @@ static int vc4_hdmi_connector_init(struct drm_device *dev, connector->doublescan_allowed = 0; connector->stereo_allowed = 1; + if (vc4_hdmi->variant->supports_hdr) + drm_object_attach_property(&connector->base, + connector->dev->mode_config.hdr_output_metadata_property, 0); + drm_connector_attach_encoder(connector, encoder); return 0; @@ -755,6 +759,25 @@ static void vc4_hdmi_set_audio_infoframe(struct drm_encoder *encoder) vc4_hdmi_write_infoframe(encoder, &frame); } +static void vc4_hdmi_set_hdr_infoframe(struct drm_encoder *encoder) +{ + struct vc4_hdmi *vc4_hdmi = encoder_to_vc4_hdmi(encoder); + struct drm_connector *connector = &vc4_hdmi->connector; + struct drm_connector_state *conn_state = connector->state; + union hdmi_infoframe frame; + + if (!vc4_hdmi->variant->supports_hdr) + return; + + if (!conn_state->hdr_output_metadata) + return; + + if (drm_hdmi_infoframe_set_hdr_metadata(&frame.drm, conn_state)) + return; + + vc4_hdmi_write_infoframe(encoder, &frame); +} + static void vc4_hdmi_set_infoframes(struct drm_encoder *encoder) { struct vc4_hdmi *vc4_hdmi = encoder_to_vc4_hdmi(encoder); @@ -767,6 +790,8 @@ static void vc4_hdmi_set_infoframes(struct drm_encoder *encoder) */ if (vc4_hdmi->audio.streaming) vc4_hdmi_set_audio_infoframe(encoder); + + vc4_hdmi_set_hdr_infoframe(encoder); } static void vc4_hdmi_encoder_post_crtc_disable(struct drm_encoder *encoder, @@ -2672,6 +2697,7 @@ static const struct vc4_hdmi_variant bcm2835_variant = { .phy_rng_enable = vc4_hdmi_phy_rng_enable, .phy_rng_disable = vc4_hdmi_phy_rng_disable, .channel_map = vc4_hdmi_channel_map, + .supports_hdr = false, }; static const struct vc4_hdmi_variant bcm2711_hdmi0_variant = { @@ -2699,6 +2725,7 @@ static const struct vc4_hdmi_variant bcm2711_hdmi0_variant = { .phy_rng_enable = vc5_hdmi_phy_rng_enable, .phy_rng_disable = vc5_hdmi_phy_rng_disable, .channel_map = vc5_hdmi_channel_map, + .supports_hdr = true, }; static const struct vc4_hdmi_variant bcm2711_hdmi1_variant = { @@ -2726,6 +2753,7 @@ static const struct vc4_hdmi_variant bcm2711_hdmi1_variant = { .phy_rng_enable = vc5_hdmi_phy_rng_enable, .phy_rng_disable = vc5_hdmi_phy_rng_disable, .channel_map = vc5_hdmi_channel_map, + .supports_hdr = true, }; static const struct of_device_id vc4_hdmi_dt_match[] = { diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.h b/drivers/gpu/drm/vc4/vc4_hdmi.h index cb2af9f144df56b2a8b3af7dd673deb92b8a27a7..33b5f120bbebe27b81b6245a7688c2093f960579 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.h +++ b/drivers/gpu/drm/vc4/vc4_hdmi.h @@ -99,6 +99,9 @@ struct vc4_hdmi_variant { /* Callback to get channel map */ u32 (*channel_map)(struct vc4_hdmi *vc4_hdmi, u32 channel_mask); + + /* Enables HDR metadata */ + bool supports_hdr; }; /* HDMI audio information */