drm/i915/dp_mst: Program the DSC PPS SDP for each stream

Atm the DSC PPS SDP is programmed only if the first stream is compressed
and then it's programmed only for the first stream. This left all other
compressed streams blank. Program the SDP for all streams.

v2:
- Rebase on upstream include "intel_vdsc.h" change.
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231107001505.3370108-3-imre.deak@intel.com

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

@@ -2505,7 +2505,8 @@ static void mtl_ddi_pre_enable_dp(struct intel_atomic_state *state,
 	/* 6.o Configure and enable FEC if needed */
 	intel_ddi_enable_fec(encoder, crtc_state);
 
-	intel_dsc_dp_pps_write(encoder, crtc_state);
+	if (!is_mst)
+		intel_dsc_dp_pps_write(encoder, crtc_state);
 }
 
 static void tgl_ddi_pre_enable_dp(struct intel_atomic_state *state,
@@ -2643,7 +2644,8 @@ static void tgl_ddi_pre_enable_dp(struct intel_atomic_state *state,
 	/* 7.l Configure and enable FEC if needed */
 	intel_ddi_enable_fec(encoder, crtc_state);
 
-	intel_dsc_dp_pps_write(encoder, crtc_state);
+	if (!is_mst)
+		intel_dsc_dp_pps_write(encoder, crtc_state);
 }
 
 static void hsw_ddi_pre_enable_dp(struct intel_atomic_state *state,
@@ -2705,10 +2707,10 @@ static void hsw_ddi_pre_enable_dp(struct intel_atomic_state *state,
 
 	intel_ddi_enable_fec(encoder, crtc_state);
 
-	if (!is_mst)
+	if (!is_mst) {
 		intel_ddi_enable_transcoder_clock(encoder, crtc_state);
-
-	intel_dsc_dp_pps_write(encoder, crtc_state);
+		intel_dsc_dp_pps_write(encoder, crtc_state);
+	}
 }
 
 static void intel_ddi_pre_enable_dp(struct intel_atomic_state *state,

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

@@ -860,6 +860,7 @@ static void intel_mst_pre_enable_dp(struct intel_atomic_state *state,
 	if (DISPLAY_VER(dev_priv) < 12 || !first_mst_stream)
 		intel_ddi_enable_transcoder_clock(encoder, pipe_config);
 
+	intel_dsc_dp_pps_write(&dig_port->base, pipe_config);
 	intel_ddi_set_dp_msa(pipe_config, conn_state);
 }