drm/i915/hdcp: Add a debug statement at hdcp2 capability check

Add a debug statement at hdcp2 capability check which indicates if
GSC CS is causing hdcp2 incapability

--v2
-correcttypo in commit header

--v3
-correct the other typo in commit header [Jani]

Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230621085453.1996166-1-suraj.kandpal@intel.com

diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c
index 34fabadefaf66991e50b2ddb507fd9cd62a497ce..a42549fa96918e2eacc06990de16961269b1bf48 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_hdcp.c
+++ b/drivers/gpu/drm/i915/display/intel_hdcp.c
@@ -177,8 +177,11 @@ bool intel_hdcp2_capable(struct intel_connector *connector)
                struct intel_gt *gt = i915->media_gt;
                struct intel_gsc_uc *gsc = gt ? &gt->uc.gsc : NULL;
 
-               if (!gsc || !intel_uc_fw_is_running(&gsc->fw))
+               if (!gsc || !intel_uc_fw_is_running(&gsc->fw)) {
+                       drm_dbg_kms(&i915->drm,
+                                   "GSC components required for HDCP2.2 are not ready\n");
                        return false;
+               }
        }
 
        /* MEI/GSC interface is solid depending on which is used */