diff options
| author | Anshuman Gupta <anshuman.gupta@intel.com> | 2021-01-11 13:41:03 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-01-27 11:55:28 +0100 |
| commit | b379dfbc1edd03a658d68f1f0950fa66f8ff5aea (patch) | |
| tree | d589ed5de4225eff143f2b18213ad8cdc7a94229 | |
| parent | 9e9ae646eb801ff0055ee47b5265ffebf5258fd0 (diff) | |
drm/i915/hdcp: Get conn while content_type changed
commit 8662e1119a7d1baa1b2001689b2923e9050754bd upstream.
Get DRM connector reference count while scheduling a prop work
to avoid any possible destroy of DRM connector when it is in
DRM_CONNECTOR_REGISTERED state.
Fixes: a6597faa2d59 ("drm/i915: Protect workers against disappearing connectors")
Cc: Sean Paul <seanpaul@chromium.org>
Cc: Ramalingam C <ramalingam.c@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Reviewed-by: Ramalingam C <ramalingam.c@intel.com>
Tested-by: Karthik B S <karthik.b.s@intel.com>
Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210111081120.28417-3-anshuman.gupta@intel.com
(cherry picked from commit b3c6661aad979ec3d4f5675cf3e6a35828607d6a)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_hdcp.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c index 56b89968c3de..17a8c2e73a82 100644 --- a/drivers/gpu/drm/i915/display/intel_hdcp.c +++ b/drivers/gpu/drm/i915/display/intel_hdcp.c @@ -2187,6 +2187,7 @@ void intel_hdcp_update_pipe(struct intel_atomic_state *state, if (content_protection_type_changed) { mutex_lock(&hdcp->mutex); hdcp->value = DRM_MODE_CONTENT_PROTECTION_DESIRED; + drm_connector_get(&connector->base); schedule_work(&hdcp->prop_work); mutex_unlock(&hdcp->mutex); } |