From: Juston Li <juston...@intel.com> Like the patch to disable QSES for HDCP 1.4 over MST https://patchwork.freedesktop.org/patch/415297/ the HDCP2.2 spec doesn't require QSES as well and we've seen QSES not supported on a couple HDCP2.2 docks so far (Dell WD19 and Lenovo LDC-G2)
Remove it for now until we get a better idea of how widely supported QSES is and how to support it optionally. Signed-off-by: Juston Li <juston...@intel.com> Reviewed-by: Anshuman Gupta <anshuman.gu...@intel.com> Signed-off-by: Anshuman Gupta <anshuman.gu...@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210127065034.2501119-4-juston...@intel.com --- drivers/gpu/drm/i915/display/intel_dp_hdcp.c | 31 +------------------- 1 file changed, 1 insertion(+), 30 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp_hdcp.c b/drivers/gpu/drm/i915/display/intel_dp_hdcp.c index 4dba5bb15af5..40c516e90193 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_hdcp.c +++ b/drivers/gpu/drm/i915/display/intel_dp_hdcp.c @@ -698,30 +698,6 @@ intel_dp_mst_hdcp_stream_encryption(struct intel_connector *connector, return 0; } -static bool intel_dp_mst_get_qses_status(struct intel_digital_port *dig_port, - struct intel_connector *connector) -{ - struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); - struct drm_dp_query_stream_enc_status_ack_reply reply; - struct intel_dp *intel_dp = &dig_port->dp; - int ret; - - ret = drm_dp_send_query_stream_enc_status(&intel_dp->mst_mgr, - connector->port, &reply); - if (ret) { - drm_dbg_kms(&i915->drm, - "[%s:%d] failed QSES ret=%d\n", - connector->base.name, connector->base.base.id, ret); - return false; - } - - drm_dbg_kms(&i915->drm, "[%s:%d] QSES stream auth: %d stream enc: %d\n", - connector->base.name, connector->base.base.id, - reply.auth_completed, reply.encryption_enabled); - - return reply.auth_completed && reply.encryption_enabled; -} - static int intel_dp_mst_hdcp2_stream_encryption(struct intel_connector *connector, bool enable) @@ -757,11 +733,6 @@ intel_dp_mst_hdcp2_stream_encryption(struct intel_connector *connector, return 0; } -/* - * DP v2.0 I.3.3 ignore the stream signature L' in QSES reply msg reply. - * I.3.5 MST source device may use a QSES msg to query downstream status - * for a particular stream. - */ static int intel_dp_mst_hdcp2_check_link(struct intel_digital_port *dig_port, struct intel_connector *connector) @@ -781,7 +752,7 @@ int intel_dp_mst_hdcp2_check_link(struct intel_digital_port *dig_port, return ret; } - return intel_dp_mst_get_qses_status(dig_port, connector) ? 0 : -EINVAL; + return 0; } static const struct intel_hdcp_shim intel_dp_mst_hdcp_shim = { -- 2.26.2 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
