On Thu, Apr 18, 2019 at 02:28:02PM +0530, Ramalingam C wrote:
drm function is defined and exported to update a connector's content protection property state and to generate a uevent along with it.
v2: Update only when state is different from old one.
Signed-off-by: Ramalingam C ramalingam.c@intel.com
drivers/gpu/drm/drm_hdcp.c | 16 ++++++++++++++++ include/drm/drm_hdcp.h | 2 ++ 2 files changed, 18 insertions(+)
diff --git a/drivers/gpu/drm/drm_hdcp.c b/drivers/gpu/drm/drm_hdcp.c index a0960507e4ff..5640c4e744fe 100644 --- a/drivers/gpu/drm/drm_hdcp.c +++ b/drivers/gpu/drm/drm_hdcp.c @@ -415,3 +415,19 @@ int drm_connector_attach_content_protection_property( return 0; } EXPORT_SYMBOL(drm_connector_attach_content_protection_property);
Needs kerneldoc. Plus I think a note in the attach function that sets up hdcp for a connector that it should be used.
Plus we need an ack from userspace people (weston?) that they're using this new uapi and are happy with it.
+void drm_hdcp_update_content_protection(struct drm_connector *connector,
u64 val)
+{
- struct drm_device *dev = connector->dev;
- struct drm_connector_state *state = connector->state;
- WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex));
- if (state->content_protection == val)
return;
- state->content_protection = val;
- drm_sysfs_connector_status_event(connector,
dev->mode_config.content_protection_property);
+} +EXPORT_SYMBOL(drm_hdcp_update_content_protection);
With all that addressed has my Reviewed-by: Daniel Vetter daniel.vetter@ffwll.ch
diff --git a/include/drm/drm_hdcp.h b/include/drm/drm_hdcp.h index 145c81ba1e09..9457c7ec0d37 100644 --- a/include/drm/drm_hdcp.h +++ b/include/drm/drm_hdcp.h @@ -304,4 +304,6 @@ struct drm_connector; bool drm_hdcp_ksvs_revocated(struct drm_device *dev, u8 *ksvs, u32 ksv_count); int drm_connector_attach_content_protection_property( struct drm_connector *connector, bool hdcp_content_type); +void drm_hdcp_update_content_protection(struct drm_connector *connector,
u64 val);
#endif
2.19.1