drm/i915: update the hdcp state with uevent (a41e71f4) · Commits · 戴 / test

drm function to update the content protection property state and to generate a uevent is invoked from the intel hdcp property work. Hence whenever kernel changes the property state, userspace will be updated with a uevent. v2: state update is moved into drm function [daniel] Signed-off-by:

Ramalingam C <ramalingam.c@intel.com> Reviewed-by:

Daniel Vetter <daniel.vetter@ffwll.ch> Acked-by:

Pekka Paalanen <pekka.paalanen@collabora.com> Acked-by:

Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/320965/?series=57232&rev=14

drivers/gpu/drm/i915/display/intel_hdcp.c

+3 −5

Original line number	Diff line number	Diff line
		@@ -865,7 +865,6 @@ static void intel_hdcp_prop_work(struct work_struct *work)
		prop_work);
		struct intel_connector *connector = intel_hdcp_to_connector(hdcp);
		struct drm_device *dev = connector->base.dev;
		struct drm_connector_state *state;

		drm_modeset_lock(&dev->mode_config.connection_mutex, NULL);
		mutex_lock(&hdcp->mutex);
		@@ -875,10 +874,9 @@ static void intel_hdcp_prop_work(struct work_struct *work)
		* those to UNDESIRED is handled by core. If value == UNDESIRED,
		* we're running just after hdcp has been disabled, so just exit
		*/
		if (hdcp->value != DRM_MODE_CONTENT_PROTECTION_UNDESIRED) {
		state = connector->base.state;
		state->content_protection = hdcp->value;
		}
		if (hdcp->value != DRM_MODE_CONTENT_PROTECTION_UNDESIRED)
		drm_hdcp_update_content_protection(&connector->base,
		hdcp->value);

		mutex_unlock(&hdcp->mutex);
		drm_modeset_unlock(&dev->mode_config.connection_mutex);

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