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drm/i915: update the hdcp state with uevent 

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
This commit is contained in:
Ramalingam C 2019-08-01 17:11:18 +05:30
parent bb5a45d40d
commit a41e71f4e7
1 changed files with 3 additions and 5 deletions
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8
drivers/gpu/drm/i915/display/intel_hdcp.c
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@ -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);