drm/i915: Fix audio ELD handling for DP MST

I forgot to call intel_audio_compute_config() on DP MST, which
means ELD doesn't get populated and passed to the audio driver.

References: https://gitlab.freedesktop.org/drm/intel/-/issues/8097
Fixes: 5d986635e296 ("drm/i915/audio: Precompute the ELD")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230220151731.6852-1-ville.syrjala@linux.intel.com
Reviewed-by: Uma Shankar <uma.shankar@intel.com>

diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
index 5555f27..ddc65ad 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
@@ -265,6 +265,19 @@ static int intel_dp_mst_update_slots(struct intel_encoder *encoder,
        return 0;
 }
 
+static bool intel_dp_mst_has_audio(const struct drm_connector_state *conn_state)
+{
+       const struct intel_digital_connector_state *intel_conn_state =
+               to_intel_digital_connector_state(conn_state);
+       struct intel_connector *connector =
+               to_intel_connector(conn_state->connector);
+
+       if (intel_conn_state->force_audio == HDMI_AUDIO_AUTO)
+               return connector->port->has_audio;
+       else
+               return intel_conn_state->force_audio == HDMI_AUDIO_ON;
+}
+
 static int intel_dp_mst_compute_config(struct intel_encoder *encoder,
                                       struct intel_crtc_state *pipe_config,
                                       struct drm_connector_state *conn_state)
@@ -272,10 +285,6 @@ static int intel_dp_mst_compute_config(struct intel_encoder *encoder,
        struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
        struct intel_dp_mst_encoder *intel_mst = enc_to_mst(encoder);
        struct intel_dp *intel_dp = &intel_mst->primary->dp;
-       struct intel_connector *connector =
-               to_intel_connector(conn_state->connector);
-       struct intel_digital_connector_state *intel_conn_state =
-               to_intel_digital_connector_state(conn_state);
        const struct drm_display_mode *adjusted_mode =
                &pipe_config->hw.adjusted_mode;
        struct link_config_limits limits;
@@ -287,11 +296,9 @@ static int intel_dp_mst_compute_config(struct intel_encoder *encoder,
        pipe_config->output_format = INTEL_OUTPUT_FORMAT_RGB;
        pipe_config->has_pch_encoder = false;
 
-       if (intel_conn_state->force_audio == HDMI_AUDIO_AUTO)
-               pipe_config->has_audio = connector->port->has_audio;
-       else
-               pipe_config->has_audio =
-                       intel_conn_state->force_audio == HDMI_AUDIO_ON;
+       pipe_config->has_audio =
+               intel_dp_mst_has_audio(conn_state) &&
+               intel_audio_compute_config(encoder, pipe_config, conn_state);
 
        /*
         * for MST we always configure max link bw - the spec doesn't