diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index f01a6eed3839..9589fed7a40a 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -2165,17 +2165,56 @@ static int dsc_compute_link_config(struct intel_dp *intel_dp,
 	return -EINVAL;
 }
 
+static u16 intel_dp_dsc_max_delta_bppx16(const struct intel_connector *connector,
+					 enum intel_output_format output_format)
+{
+	const u8 *dsc_dpcd = connector->dp.dsc_dpcd;
+	u8 max_bpp_delta_v1 = dsc_dpcd[DP_DSC_MAX_BPP_DELTA_VERSION_1 - DP_DSC_SUPPORT];
+	int max_bpp;
+
+	if (!(dsc_dpcd[DP_DSC_MAX_BITS_PER_PIXEL_HI - DP_DSC_SUPPORT] &
+	    DP_DSC_MAX_BPP_DELTA_AVAILABILITY))
+		return 0;
+
+	switch (output_format) {
+	case INTEL_OUTPUT_FORMAT_RGB:
+	case INTEL_OUTPUT_FORMAT_YCBCR444:
+		max_bpp =  max_bpp_delta_v1 & DP_DSC_RGB_YCbCr444_MAX_BPP_DELTA_MASK;
+		if (max_bpp >= 1 && max_bpp <= 21)
+			max_bpp =  max_bpp + DP_DSC_BPP_DELTA_444 - 1;
+		else
+			max_bpp = 0;
+		break;
+	case INTEL_OUTPUT_FORMAT_YCBCR420:
+		max_bpp = (max_bpp_delta_v1 & DP_DSC_NATIVE_YCbCr420_MAX_BPP_DELTA_MASK) >>
+			  DP_DSC_BPP_DELTA_SHIFT_420;
+		if (max_bpp >= 1 && max_bpp <= 7)
+			max_bpp = max_bpp + DP_DSC_BPP_DELTA_420 - 1;
+		break;
+	default:
+		MISSING_CASE(output_format);
+		return 0;
+	}
+
+	return max_bpp << 4;
+}
+
 static
 u16 intel_dp_dsc_max_sink_compressed_bppx16(const struct intel_connector *connector,
 					    enum intel_output_format output_format,
 					    int bpc)
 {
-	u16 max_bppx16 = drm_edp_dsc_sink_output_bpp(connector->dp.dsc_dpcd);
+	u16 max_bppx16 = intel_dp_dsc_max_delta_bppx16(connector, output_format);
+
+	if (max_bppx16)
+		return max_bppx16;
+
+	max_bppx16 = drm_edp_dsc_sink_output_bpp(connector->dp.dsc_dpcd);
 
 	if (max_bppx16)
 		return max_bppx16;
 	/*
-	 * If support not given in DPCD 67h, 68h use the Maximum Allowed bit rate
+	 * If support not given in DPCD 67h, 68h, 6Eh, 6Fh use the Maximum Allowed bit rate
 	 * values as given in spec Table 2-157 DP v2.0
 	 */
 	switch (output_format) {