drm/i915/display: remove redundant parameter from sdp split update

The needed functionality can be performed using crtc_state here.
Signed-off-by: Vinod Govindapillai <vinod.govindapillai@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230818111950.128992-2-vinod.govindapillai@intel.com

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

@@ -759,10 +759,10 @@ static void ibx_audio_codec_enable(struct intel_encoder *encoder,
 	mutex_unlock(&i915->display.audio.mutex);
 }
 
-void intel_audio_sdp_split_update(struct intel_encoder *encoder,
-				  const struct intel_crtc_state *crtc_state)
+void intel_audio_sdp_split_update(const struct intel_crtc_state *crtc_state)
 {
-	struct drm_i915_private *i915 = to_i915(encoder->base.dev);
+	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
+	struct drm_i915_private *i915 = to_i915(crtc->base.dev);
 	enum transcoder trans = crtc_state->cpu_transcoder;
 
 	if (HAS_DP20(i915))

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

@@ -29,7 +29,6 @@ void intel_audio_cdclk_change_pre(struct drm_i915_private *dev_priv);
 void intel_audio_cdclk_change_post(struct drm_i915_private *dev_priv);
 void intel_audio_init(struct drm_i915_private *dev_priv);
 void intel_audio_deinit(struct drm_i915_private *dev_priv);
-void intel_audio_sdp_split_update(struct intel_encoder *encoder,
-				  const struct intel_crtc_state *crtc_state);
+void intel_audio_sdp_split_update(const struct intel_crtc_state *crtc_state);
 
 #endif /* __INTEL_AUDIO_H__ */

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

@@ -3248,7 +3248,7 @@ static void intel_enable_ddi(struct intel_atomic_state *state,
 		intel_ddi_enable_transcoder_func(encoder, crtc_state);
 
 	/* Enable/Disable DP2.0 SDP split config before transcoder */
-	intel_audio_sdp_split_update(encoder, crtc_state);
+	intel_audio_sdp_split_update(crtc_state);
 
 	intel_enable_transcoder(crtc_state);