[PATCH] drm_bridge: register content protect property

* [PATCH] drm_bridge: register content protect property
@ 2022-10-11 10:18 Hsin-Yi Wang
  2022-10-11 16:03 ` kernel test robot
                   ` (2 more replies)
  0 siblings, 3 replies; 5+ messages in thread
From: Hsin-Yi Wang @ 2022-10-11 10:18 UTC (permalink / raw)
  To: Douglas Anderson, Sean Paul
  Cc: Thomas Zimmermann, David Airlie, linux-kernel, dri-devel

Some bridges are able to update HDCP status from userspace requests if
they support HDCP.

HDCP property is the same as other connector properties that need to be
created after the connecter is initialized and before the connector is
registered.

Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
---
 drivers/gpu/drm/drm_bridge_connector.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/drm_bridge_connector.c b/drivers/gpu/drm/drm_bridge_connector.c
index 1c7d936523df5..a3b9ef8dc3f0b 100644
--- a/drivers/gpu/drm/drm_bridge_connector.c
+++ b/drivers/gpu/drm/drm_bridge_connector.c
@@ -7,6 +7,7 @@
 #include <linux/module.h>
 #include <linux/slab.h>
 
+#include <drm/display/drm_hdcp_helper.h>
 #include <drm/drm_atomic_state_helper.h>
 #include <drm/drm_bridge.h>
 #include <drm/drm_bridge_connector.h>
@@ -398,6 +399,8 @@ struct drm_connector *drm_bridge_connector_init(struct drm_device *drm,
 	if (panel_bridge)
 		drm_panel_bridge_set_orientation(connector, panel_bridge);
 
+	drm_connector_attach_content_protection_property(connector, true);
+
 	return connector;
 }
 EXPORT_SYMBOL_GPL(drm_bridge_connector_init);
-- 
2.38.0.rc1.362.ged0d419d3c-goog


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