diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 8288a30dbd51..82752b696498 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -716,9 +716,14 @@ u16 intel_dp_dsc_get_output_bpp(struct drm_i915_private *i915,
 	 * for SST -> TimeSlotsPerMTP is 1,
 	 * for MST -> TimeSlotsPerMTP has to be calculated
 	 */
-	bits_per_pixel = (link_clock * lane_count * 8) * timeslots /
-			 intel_dp_mode_to_fec_clock(mode_clock);
-	drm_dbg_kms(&i915->drm, "Max link bpp: %u\n", bits_per_pixel);
+	bits_per_pixel = DIV_ROUND_UP((link_clock * lane_count) * timeslots,
+				      intel_dp_mode_to_fec_clock(mode_clock) * 8);
+
+	drm_dbg_kms(&i915->drm, "Max link bpp is %u for %u timeslots "
+				"total bw %u pixel clock %u\n",
+				bits_per_pixel, timeslots,
+				(link_clock * lane_count * 8),
+				intel_dp_mode_to_fec_clock(mode_clock));
 
 	/* Small Joiner Check: output bpp <= joiner RAM (bits) / Horiz. width */
 	max_bpp_small_joiner_ram = small_joiner_ram_size_bits(i915) /
@@ -1047,7 +1052,7 @@ intel_dp_mode_valid(struct drm_connector *_connector,
 							    target_clock,
 							    mode->hdisplay,
 							    bigjoiner,
-							    pipe_bpp, 1) >> 4;
+							    pipe_bpp, 64) >> 4;
 			dsc_slice_count =
 				intel_dp_dsc_get_slice_count(intel_dp,
 							     target_clock,
@@ -1481,7 +1486,8 @@ int intel_dp_dsc_compute_config(struct intel_dp *intel_dp,
 				struct intel_crtc_state *pipe_config,
 				struct drm_connector_state *conn_state,
 				struct link_config_limits *limits,
-				int timeslots)
+				int timeslots,
+				bool compute_pipe_bpp)
 {
 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
 	struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev);
@@ -1496,7 +1502,10 @@ int intel_dp_dsc_compute_config(struct intel_dp *intel_dp,
 	if (!intel_dp_supports_dsc(intel_dp, pipe_config))
 		return -EINVAL;
 
-	pipe_bpp = intel_dp_dsc_compute_bpp(intel_dp, conn_state->max_requested_bpc);
+	if (compute_pipe_bpp)
+		pipe_bpp = intel_dp_dsc_compute_bpp(intel_dp, conn_state->max_requested_bpc);
+	else
+		pipe_bpp = pipe_config->pipe_bpp;
 
 	if (intel_dp->force_dsc_bpc) {
 		pipe_bpp = intel_dp->force_dsc_bpc * 3;
@@ -1527,31 +1536,47 @@ int intel_dp_dsc_compute_config(struct intel_dp *intel_dp,
 			drm_dp_dsc_sink_max_slice_count(intel_dp->dsc_dpcd,
 							true);
 	} else {
-		u16 dsc_max_output_bpp;
+		u16 dsc_max_output_bpp = 0;
 		u8 dsc_dp_slice_count;
 
-		dsc_max_output_bpp =
-			intel_dp_dsc_get_output_bpp(dev_priv,
-						    pipe_config->port_clock,
-						    pipe_config->lane_count,
-						    adjusted_mode->crtc_clock,
-						    adjusted_mode->crtc_hdisplay,
-						    pipe_config->bigjoiner_pipes,
-						    pipe_bpp,
-						    timeslots);
+		if (compute_pipe_bpp) {
+			dsc_max_output_bpp =
+				intel_dp_dsc_get_output_bpp(dev_priv,
+							    pipe_config->port_clock,
+							    pipe_config->lane_count,
+							    adjusted_mode->crtc_clock,
+							    adjusted_mode->crtc_hdisplay,
+							    pipe_config->bigjoiner_pipes,
+							    pipe_bpp,
+							    timeslots);
+			if (!dsc_max_output_bpp) {
+				drm_dbg_kms(&dev_priv->drm,
+					    "Compressed BPP not supported\n");
+				return -EINVAL;
+			}
+		}
 		dsc_dp_slice_count =
 			intel_dp_dsc_get_slice_count(intel_dp,
 						     adjusted_mode->crtc_clock,
 						     adjusted_mode->crtc_hdisplay,
 						     pipe_config->bigjoiner_pipes);
-		if (!dsc_max_output_bpp || !dsc_dp_slice_count) {
+		if (!dsc_dp_slice_count) {
 			drm_dbg_kms(&dev_priv->drm,
-				    "Compressed BPP/Slice Count not supported\n");
+				    "Compressed Slice Count not supported\n");
 			return -EINVAL;
 		}
-		pipe_config->dsc.compressed_bpp = min_t(u16,
-							dsc_max_output_bpp >> 4,
-							pipe_config->pipe_bpp);
+
+		/*
+		 * compute pipe bpp is set to false for DP MST DSC case
+		 * and compressed_bpp is calculated same time once
+		 * vpci timeslots are allocated, because overall bpp
+		 * calculation procedure is bit different for MST case.
+		 */
+		if (compute_pipe_bpp) {
+			pipe_config->dsc.compressed_bpp = min_t(u16,
+								dsc_max_output_bpp >> 4,
+								pipe_config->pipe_bpp);
+		}
 		pipe_config->dsc.slice_count = dsc_dp_slice_count;
 		drm_dbg_kms(&dev_priv->drm, "DSC: compressed bpp %d slice count %d\n",
 			    pipe_config->dsc.compressed_bpp,
@@ -1659,7 +1684,7 @@ intel_dp_compute_link_config(struct intel_encoder *encoder,
 			    str_yes_no(ret), str_yes_no(joiner_needs_dsc),
 			    str_yes_no(intel_dp->force_dsc_en));
 		ret = intel_dp_dsc_compute_config(intel_dp, pipe_config,
-						  conn_state, &limits, 1);
+						  conn_state, &limits, 1, true);
 		if (ret < 0)
 			return ret;
 	}
diff --git a/drivers/gpu/drm/i915/display/intel_dp.h b/drivers/gpu/drm/i915/display/intel_dp.h
index 0fe10d93b75c..75098001685a 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.h
+++ b/drivers/gpu/drm/i915/display/intel_dp.h
@@ -60,7 +60,8 @@ int intel_dp_dsc_compute_config(struct intel_dp *intel_dp,
 				struct intel_crtc_state *pipe_config,
 				struct drm_connector_state *conn_state,
 				struct link_config_limits *limits,
-				int timeslots);
+				int timeslots,
+				bool recompute_pipe_bpp);
 bool intel_dp_is_edp(struct intel_dp *intel_dp);
 bool intel_dp_is_uhbr(const struct intel_crtc_state *crtc_state);
 bool intel_dp_is_port_edp(struct drm_i915_private *dev_priv, enum port port);
diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
index 8442eea27a57..69e383decb39 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
@@ -80,12 +80,12 @@ static int intel_dp_mst_find_vcpi_slots_for_bpp(struct intel_encoder *encoder,
 	}
 
 	for (bpp = max_bpp; bpp >= min_bpp; bpp -= step) {
-		crtc_state->pipe_bpp = bpp;
-
 		crtc_state->pbn = drm_dp_calc_pbn_mode(adjusted_mode->crtc_clock,
-						       dsc ? bpp << 4 : crtc_state->pipe_bpp,
+						       dsc ? bpp << 4 : bpp,
 						       dsc);
 
+		drm_dbg_kms(&i915->drm, "Trying bpp %d\n", bpp);
+
 		slots = drm_dp_atomic_find_time_slots(state, &intel_dp->mst_mgr,
 						      connector->port,
 						      crtc_state->pbn);
@@ -107,9 +107,16 @@ static int intel_dp_mst_find_vcpi_slots_for_bpp(struct intel_encoder *encoder,
 	if (ret && slots >= 0)
 		slots = ret;
 
-	if (slots < 0)
+	if (slots < 0) {
 		drm_dbg_kms(&i915->drm, "failed finding vcpi slots:%d\n",
 			    slots);
+	} else {
+		if (!dsc)
+			crtc_state->pipe_bpp = bpp;
+		else
+			crtc_state->dsc.compressed_bpp = bpp;
+		drm_dbg_kms(&i915->drm, "Got %d slots for pipe bpp %d dsc %d\n", slots, bpp, dsc);
+	}
 
 	return slots;
 }
@@ -156,8 +163,10 @@ static int intel_dp_dsc_mst_compute_link_config(struct intel_encoder *encoder,
 	int slots = -EINVAL;
 	int i, num_bpc;
 	u8 dsc_bpc[3] = {0};
-	int min_bpp, max_bpp;
+	int min_bpp, max_bpp, sink_min_bpp, sink_max_bpp;
 	u8 dsc_max_bpc;
+	bool need_timeslot_recalc = false;
+	u32 last_compressed_bpp;
 
 	/* Max DSC Input BPC for ICL is 10 and for TGL+ is 12 */
 	if (DISPLAY_VER(i915) >= 12)
@@ -170,14 +179,28 @@ static int intel_dp_dsc_mst_compute_link_config(struct intel_encoder *encoder,
 
 	num_bpc = drm_dp_dsc_sink_supported_input_bpcs(intel_dp->dsc_dpcd,
 						       dsc_bpc);
-	for (i = 0; i < num_bpc; i++) {
-		if (max_bpp >= dsc_bpc[i] * 3)
-			if (min_bpp > dsc_bpc[i] * 3)
-				min_bpp = dsc_bpc[i] * 3;
+
+	drm_dbg_kms(&i915->drm, "DSC Source supported min bpp %d max bpp %d\n",
+		    min_bpp, max_bpp);
+
+	sink_max_bpp = dsc_bpc[0] * 3;
+	sink_min_bpp = sink_max_bpp;
+
+	for (i = 1; i < num_bpc; i++) {
+		if (sink_min_bpp > dsc_bpc[i] * 3)
+			sink_min_bpp = dsc_bpc[i] * 3;
+		if (sink_max_bpp < dsc_bpc[i] * 3)
+			sink_max_bpp = dsc_bpc[i] * 3;
 	}
 
 	drm_dbg_kms(&i915->drm, "DSC Sink supported min bpp %d max bpp %d\n",
-		    min_bpp, max_bpp);
+		    sink_min_bpp, sink_max_bpp);
+
+	if (min_bpp < sink_min_bpp)
+		min_bpp = sink_min_bpp;
+
+	if (max_bpp > sink_max_bpp)
+		max_bpp = sink_max_bpp;
 
 	slots = intel_dp_mst_find_vcpi_slots_for_bpp(encoder, crtc_state, max_bpp,
 						     min_bpp, limits,
@@ -186,6 +209,28 @@ static int intel_dp_dsc_mst_compute_link_config(struct intel_encoder *encoder,
 	if (slots < 0)
 		return slots;
 
+	last_compressed_bpp = crtc_state->dsc.compressed_bpp;
+
+	crtc_state->dsc.compressed_bpp = intel_dp_dsc_nearest_vesa_bpp(i915,
+								       last_compressed_bpp,
+								       crtc_state->pipe_bpp);
+
+	if (crtc_state->dsc.compressed_bpp != last_compressed_bpp)
+		need_timeslot_recalc = true;
+
+	/*
+	 * Apparently some MST hubs dislike if vcpi slots are not matching precisely
+	 * the actual compressed bpp we use.
+	 */
+	if (need_timeslot_recalc) {
+		slots = intel_dp_mst_find_vcpi_slots_for_bpp(encoder, crtc_state,
+							     crtc_state->dsc.compressed_bpp,
+							     crtc_state->dsc.compressed_bpp,
+							     limits, conn_state, 2 * 3, true);
+		if (slots < 0)
+			return slots;
+	}
+
 	intel_link_compute_m_n(crtc_state->pipe_bpp,
 			       crtc_state->lane_count,
 			       adjusted_mode->crtc_clock,
@@ -292,7 +337,7 @@ static int intel_dp_mst_compute_config(struct intel_encoder *encoder,
 
 		ret = intel_dp_dsc_compute_config(intel_dp, pipe_config,
 						  conn_state, &limits,
-						  pipe_config->dp_m_n.tu);
+						  pipe_config->dp_m_n.tu, false);
 	}
 
 	if (ret)
@@ -867,7 +912,7 @@ intel_dp_mst_mode_valid_ctx(struct drm_connector *connector,
 							    target_clock,
 							    mode->hdisplay,
 							    bigjoiner,
-							    pipe_bpp, 1) >> 4;
+							    pipe_bpp, 64) >> 4;
 			dsc_slice_count =
 				intel_dp_dsc_get_slice_count(intel_dp,
 							     target_clock,
