Messages in this thread Patch in this message | | | From | Neil Armstrong <> | Subject | [PATCH v5 02/11] drm/bridge: dw-hdmi: add max bpc connector property | Date | Wed, 4 Mar 2020 11:40:43 +0100 |
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From: Jonas Karlman <jonas@kwiboo.se>
Add the max_bpc property to the dw-hdmi connector to prepare support for 10, 12 & 16bit output support.
Signed-off-by: Jonas Karlman <jonas@kwiboo.se> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jernej Škrabec <jernej.skrabec@siol.net> --- drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c index 10f98c9ee77e..e097f60e6431 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c @@ -2414,6 +2414,14 @@ static int dw_hdmi_bridge_attach(struct drm_bridge *bridge, DRM_MODE_CONNECTOR_HDMIA, hdmi->ddc); + /* + * drm_connector_attach_max_bpc_property() requires the + * connector to have a state. + */ + drm_atomic_helper_connector_reset(connector); + + drm_connector_attach_max_bpc_property(connector, 8, 16); + if (hdmi->version >= 0x200a && hdmi->plat_data->use_drm_infoframe) drm_object_attach_property(&connector->base, connector->dev->mode_config.hdr_output_metadata_property, 0); -- 2.22.0
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