drm/i915/mst: drop connector parameter from intel_dp_mst_bw_overhead()

intel_dp_mst_bw_overhead() doesn't need the connector. Remove the
parameter.

Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/e1379aca0748e392d8a232135b823deec783e829.1735912293.git.jani.nikula@intel.com

Author: jnikula

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

@@ -139,7 +139,6 @@ static int intel_dp_mst_max_dpt_bpp(const struct intel_crtc_state *crtc_state,
 }
 
 static int intel_dp_mst_bw_overhead(const struct intel_crtc_state *crtc_state,
-				    const struct intel_connector *connector,
 				    bool ssc, int dsc_slice_count, int bpp_x16)
 {
 	const struct drm_display_mode *adjusted_mode =
@@ -278,9 +277,9 @@ static int mst_stream_find_vcpi_slots_for_bpp(struct intel_dp *intel_dp,
 		link_bpp_x16 = fxp_q4_from_int(dsc ? bpp :
 					       intel_dp_output_bpp(crtc_state->output_format, bpp));
 
-		local_bw_overhead = intel_dp_mst_bw_overhead(crtc_state, connector,
+		local_bw_overhead = intel_dp_mst_bw_overhead(crtc_state,
 							     false, dsc_slice_count, link_bpp_x16);
-		remote_bw_overhead = intel_dp_mst_bw_overhead(crtc_state, connector,
+		remote_bw_overhead = intel_dp_mst_bw_overhead(crtc_state,
 							      true, dsc_slice_count, link_bpp_x16);
 
 		intel_dp_mst_compute_m_n(crtc_state, connector,