From: Jonas Karlman <jo...@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 <jo...@kwiboo.se>
Signed-off-by: Neil Armstrong <narmstr...@baylibre.com>
Reviewed-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
Reviewed-by: Jernej Škrabec <jernej.skra...@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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