drm/i915/dp: stop caching has_audio in struct intel_dp

Use the information stored in display info.
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/695bbe8b5ebee6e492f95a1c818da15691752dc8.1685437500.git.jani.nikula@intel.com

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

@@ -237,7 +237,7 @@ static void intel_dp_info(struct seq_file *m,
 
 	seq_printf(m, "\tDPCD rev: %x\n", intel_dp->dpcd[DP_DPCD_REV]);
 	seq_printf(m, "\taudio support: %s\n",
-		   str_yes_no(intel_dp->has_audio));
+		   str_yes_no(intel_connector->base.display_info.has_audio));
 
 	drm_dp_downstream_debug(m, intel_dp->dpcd, intel_dp->downstream_ports,
 				edid ? edid->data : NULL, &intel_dp->aux);

drivers/gpu/drm/i915/display/intel_display_types.h

@@ -1708,7 +1708,6 @@ struct intel_dp {
 	u8 sink_count;
 	bool link_trained;
 	bool has_hdmi_sink;
-	bool has_audio;
 	bool reset_link_params;
 	bool use_max_params;
 	u8 dpcd[DP_RECEIVER_CAP_SIZE];

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

@@ -2159,6 +2159,7 @@ static bool intel_dp_has_audio(struct intel_encoder *encoder,
 {
 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);
 	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
+	struct intel_connector *connector = intel_dp->attached_connector;
 	const struct intel_digital_connector_state *intel_conn_state =
 		to_intel_digital_connector_state(conn_state);
 
@@ -2166,7 +2167,7 @@ static bool intel_dp_has_audio(struct intel_encoder *encoder,
 		return false;
 
 	if (intel_conn_state->force_audio == HDMI_AUDIO_AUTO)
-		return intel_dp->has_audio;
+		return connector->base.display_info.has_audio;
 	else
 		return intel_conn_state->force_audio == HDMI_AUDIO_ON;
 }
@@ -4813,7 +4814,6 @@ intel_dp_set_edid(struct intel_dp *intel_dp)
 	edid = drm_edid_raw(drm_edid);
 	if (edid && edid->input & DRM_EDID_INPUT_DIGITAL) {
 		intel_dp->has_hdmi_sink = drm_detect_hdmi_monitor(edid);
-		intel_dp->has_audio = drm_detect_monitor_audio(edid);
 	}
 
 	drm_dp_cec_set_edid(&intel_dp->aux, edid);
@@ -4829,7 +4829,6 @@ intel_dp_unset_edid(struct intel_dp *intel_dp)
 	connector->detect_edid = NULL;
 
 	intel_dp->has_hdmi_sink = false;
-	intel_dp->has_audio = false;
 
 	intel_dp->dfp.max_bpc = 0;
 	intel_dp->dfp.max_dotclock = 0;