Commit 3d2e4e8c authored by Anshuman Gupta's avatar Anshuman Gupta
Browse files

drm/i915/hdcp: Enable Gen12 HDCP 1.4 DP MST support 



Enable HDCP 1.4 over DP MST for Gen12.

v2:
- Enable HDCP for <= Gen12 platforms. [Ram]
v3:
- Connector detials in debug msg. [Ram]

Cc: Ramalingam C <ramalingam.c@intel.com>
Reviewed-by: default avatarRamalingam C <ramalingam.c@intel.com>
Tested-by: default avatarKarthik B S <karthik.b.s@intel.com>
Signed-off-by: default avatarAnshuman Gupta <anshuman.gupta@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210111081120.28417-10-anshuman.gupta@intel.com
parent 2a743b7b

drivers/gpu/drm/i915/display/intel_dp_mst.c

+3 −4
Original line number Diff line number Diff line
@@ -829,12 +829,11 @@ static struct drm_connector *intel_dp_add_mst_connector(struct drm_dp_mst_topolo 
	intel_attach_force_audio_property(connector);

	intel_attach_broadcast_rgb_property(connector);





	/* TODO: Figure out how to make HDCP work on GEN12+ */

	if (INTEL_GEN(dev_priv) < 12) {

	if (INTEL_GEN(dev_priv) <= 12) {

		ret = intel_dp_init_hdcp(dig_port, intel_connector);

		if (ret)

			DRM_DEBUG_KMS("HDCP init failed, skipping.\n");

			drm_dbg_kms(&dev_priv->drm, "[%s:%d] HDCP MST init failed, skipping.\n",

				    connector->name, connector->base.id);

	}



	/*