[Intel-gfx] [PATCH v2 1/2] drm/i915/hdcp: Add update_pipe early return

[Anshuman Gupta <anshuman.gupta@intel.com>]

Currently intel_hdcp_update_pipe() is also getting called for non-hdcp
connectors and get through its conditional code flow, which is completely
unnecessary for non-hdcp connectors, therefore it make sense to
have an early return. No functional change.

Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com>
---
 drivers/gpu/drm/i915/display/intel_hdcp.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c
index 2cbc4619b4ce..d0a2bee9035a 100644
--- a/drivers/gpu/drm/i915/display/intel_hdcp.c
+++ b/drivers/gpu/drm/i915/display/intel_hdcp.c
@@ -2079,11 +2079,15 @@ void intel_hdcp_update_pipe(struct intel_atomic_state *state,
 	struct intel_connector *connector =
 				to_intel_connector(conn_state->connector);
 	struct intel_hdcp *hdcp = &connector->hdcp;
-	bool content_protection_type_changed =
+	bool content_protection_type_changed;
+
+	if (!connector->hdcp.shim)
+		return;
+
+	content_protection_type_changed =
 		(conn_state->hdcp_content_type != hdcp->content_type &&
 		 conn_state->content_protection !=
 		 DRM_MODE_CONTENT_PROTECTION_UNDESIRED);
-
 	/*
 	 * During the HDCP encryption session if Type change is requested,
 	 * disable the HDCP and reenable it with new TYPE value.
-- 
2.26.0

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