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author | Anshuman Gupta <anshuman.gupta@intel.com> | 2021-01-11 13:41:03 +0530 |
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committer | Anshuman Gupta <anshuman.gupta@intel.com> | 2021-01-13 08:29:31 +0530 |
commit | b3c6661aad979ec3d4f5675cf3e6a35828607d6a (patch) | |
tree | 78821357583b4ac60ffa52afe1fa3404afcc2e2e /drivers/gpu/drm/i915/display/intel_hdcp.c | |
parent | d276e16702e2d634094f75f69df3b493f359fe31 (diff) | |
download | linux-b3c6661aad979ec3d4f5675cf3e6a35828607d6a.tar.gz linux-b3c6661aad979ec3d4f5675cf3e6a35828607d6a.tar.bz2 linux-b3c6661aad979ec3d4f5675cf3e6a35828607d6a.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
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_hdcp.c')
-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); } |