[PATCH v3 02/10] drm/bridge: dw-hdmi: add max bpc connector property
From: Neil Armstrong
Date: Wed Dec 18 2019 - 10:46:47 EST
From: Jonas Karlman <jonas@xxxxxxxxx>
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@xxxxxxxxx>
Signed-off-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
---
drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
index 6a0b4b3a6739..e7a0600f8cc5 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
@@ -2368,6 +2368,10 @@ static int dw_hdmi_bridge_attach(struct drm_bridge *bridge)
DRM_MODE_CONNECTOR_HDMIA,
hdmi->ddc);
+ 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