[PATCH 3/6] drm/bridge: display-connector: allow YCbCr 420 for HDMI and DP

Dmitry Baryshkov dmitry.baryshkov at linaro.org
Fri Oct 18 21:49:14 UTC 2024


Allow YCbCr 420 output for HDMI and DisplayPort connectors. Other
bridges in the chain still might limit YCbCr 420 support on the
corresponding connector.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
---
 drivers/gpu/drm/bridge/display-connector.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/bridge/display-connector.c b/drivers/gpu/drm/bridge/display-connector.c
index ab8e00baf3f1..aab9ce7be94c 100644
--- a/drivers/gpu/drm/bridge/display-connector.c
+++ b/drivers/gpu/drm/bridge/display-connector.c
@@ -270,6 +270,10 @@ static int display_connector_probe(struct platform_device *pdev)
 	/* All the supported connector types support interlaced modes. */
 	conn->bridge.interlace_allowed = true;
 
+	if (type == DRM_MODE_CONNECTOR_HDMIA ||
+	    type == DRM_MODE_CONNECTOR_DisplayPort)
+		conn->bridge.ycbcr_420_allowed = true;
+
 	/* Get the optional connector label. */
 	of_property_read_string(pdev->dev.of_node, "label", &label);
 

-- 
2.39.5



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