drm/i915: Fix FEC pipe A vs. DDI A mixup

From Ville Syrjala
6b625d2743b464a16904feb5520462041e3d3ce2 in linux-6.6.y/6.6.29
126f94e87e7960ef7ae58180e39c19cc9dcbbf7f in mainline linux

diff --git a/sys/dev/pci/drm/i915/display/intel_dp.c b/sys/dev/pci/drm/i915/display/intel_dp.c
index aec73c8..0fc447a 100644 (file)
--- a/sys/dev/pci/drm/i915/display/intel_dp.c
+++ b/sys/dev/pci/drm/i915/display/intel_dp.c
@@ -1310,13 +1310,13 @@ bool intel_dp_has_hdmi_sink(struct intel_dp *intel_dp)
 static bool intel_dp_source_supports_fec(struct intel_dp *intel_dp,
                                         const struct intel_crtc_state *pipe_config)
 {
+       struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
        struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
 
-       /* On TGL, FEC is supported on all Pipes */
        if (DISPLAY_VER(dev_priv) >= 12)
                return true;
 
-       if (DISPLAY_VER(dev_priv) == 11 && pipe_config->cpu_transcoder != TRANSCODER_A)
+       if (DISPLAY_VER(dev_priv) == 11 && encoder->port != PORT_A)
                return true;
 
        return false;