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

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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: 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/20210111081120.28417-10-anshuman.gupta@intel.com
This commit is contained in:
Anshuman Gupta 2021-01-11 13:41:10 +05:30
parent 2a743b7b8a
commit 3d2e4e8c93
1 changed files with 3 additions and 4 deletions
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7
drivers/gpu/drm/i915/display/intel_dp_mst.c
View file

@ -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);
}
/*