diff options
| author | Anshuman Gupta <anshuman.gupta@intel.com> | 2021-01-11 13:41:03 +0530 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2021-01-18 10:14:06 +0200 |
| commit | 8662e1119a7d1baa1b2001689b2923e9050754bd (patch) | |
| tree | 7ec58d6502c07f094bde00a3d49a497a26ca3d4f /drivers/gpu | |
| parent | b3c95d0bdb0855b1f28370629e9eebec6bceac17 (diff) | |
| download | lwn-8662e1119a7d1baa1b2001689b2923e9050754bd.tar.gz lwn-8662e1119a7d1baa1b2001689b2923e9050754bd.zip | |
drm/i915/hdcp: Get conn while content_type changed
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>
Diffstat (limited to 'drivers/gpu')
| -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 eee8263405b9..b9d8825e2bb1 100644 --- a/drivers/gpu/drm/i915/display/intel_hdcp.c +++ b/drivers/gpu/drm/i915/display/intel_hdcp.c @@ -2210,6 +2210,7 @@ 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); } |