diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
index cfc056a05bbf..2ccaf698cbfb 100644
--- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
+++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
@@ -1770,6 +1770,9 @@ static int i915_dsc_fec_support_show(struct seq_file *m, void *data)
 			   str_yes_no(drm_dp_sink_supports_dsc(intel_dp->dsc_dpcd)));
 		seq_printf(m, "Force_DSC_Enable: %s\n",
 			   str_yes_no(intel_dp->force_dsc_en));
+		seq_printf(m, "DSC_YCBCR420_Sink_Support: %s\n",
+			   str_yes_no(drm_dp_dsc_sink_supports_format(intel_dp->dsc_dpcd,
+								      DP_DSC_YCbCr420_Native)));
 		if (!intel_dp_is_edp(intel_dp))
 			seq_printf(m, "FEC_Sink_Support: %s\n",
 				   str_yes_no(drm_dp_sink_supports_fec(intel_dp->fec_capable)));
@@ -1893,6 +1896,85 @@ static const struct file_operations i915_dsc_bpc_fops = {
 	.write = i915_dsc_bpc_write
 };
 
+static int i915_dsc_ycbcr420_show(struct seq_file *m, void *data)
+{
+	struct drm_connector *connector = m->private;
+	struct drm_device *dev = connector->dev;
+	struct drm_crtc *crtc;
+	struct intel_dp *intel_dp;
+	struct intel_crtc_state *crtc_state;
+	struct intel_encoder *encoder = intel_attached_encoder(to_intel_connector(connector));
+	int ret;
+
+	if (!encoder)
+		return -ENODEV;
+
+	ret = drm_modeset_lock_single_interruptible(&dev->mode_config.connection_mutex);
+	if (ret)
+		return ret;
+
+	crtc = connector->state->crtc;
+	if (connector->status != connector_status_connected || !crtc) {
+		ret = -ENODEV;
+		goto out;
+	}
+
+	intel_dp = intel_attached_dp(to_intel_connector(connector));
+	crtc_state = to_intel_crtc_state(crtc->state);
+	seq_printf(m, "Force_DSC_YCBCR420_Enable: %s\n",
+		   str_yes_no(intel_dp->force_dsc_ycbcr420_en));
+
+out:	drm_modeset_unlock(&dev->mode_config.connection_mutex);
+
+	return ret;
+}
+
+static ssize_t i915_dsc_ycbcr420_write(struct file *file,
+				       const char __user *ubuf,
+				       size_t len, loff_t *offp)
+{
+	struct drm_connector *connector =
+		((struct seq_file *)file->private_data)->private;
+	struct intel_encoder *encoder = intel_attached_encoder(to_intel_connector(connector));
+	struct drm_i915_private *i915 = to_i915(encoder->base.dev);
+	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
+	bool dsc_ycbcr420_enable = false;
+	int ret;
+
+	if (len == 0)
+		return 0;
+
+	drm_dbg(&i915->drm,
+		"Copied %zu bytes from user to force YCBCR420 for DSC\n", len);
+
+	ret = kstrtobool_from_user(ubuf, len, &dsc_ycbcr420_enable);
+	if (ret < 0)
+		return ret;
+
+	drm_dbg(&i915->drm, "Got %s for DSC YCBCR420 Enable\n",
+		(dsc_ycbcr420_enable) ? "true" : "false");
+	intel_dp->force_dsc_ycbcr420_en = dsc_ycbcr420_enable;
+
+	*offp += len;
+
+	return len;
+}
+
+static int i915_dsc_ycbcr420_open(struct inode *inode,
+				  struct file *file)
+{
+	return single_open(file, i915_dsc_ycbcr420_show, inode->i_private);
+}
+
+static const struct file_operations i915_dsc_ycbcr420_fops = {
+	.owner = THIS_MODULE,
+	.open = i915_dsc_ycbcr420_open,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
+	.write = i915_dsc_ycbcr420_write
+};
+
 /*
  * Returns the Current CRTC's bpc.
  * Example usage: cat /sys/kernel/debug/dri/0/crtc-0/i915_current_bpc
@@ -1964,6 +2046,9 @@ void intel_connector_debugfs_add(struct intel_connector *intel_connector)
 
 		debugfs_create_file("i915_dsc_bpc", 0644, root,
 				    connector, &i915_dsc_bpc_fops);
+
+		debugfs_create_file("i915_dsc_ycbcr420", 0644, root,
+				    connector, &i915_dsc_ycbcr420_fops);
 	}
 
 	if (connector->connector_type == DRM_MODE_CONNECTOR_DSI ||
diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
index c6abaaa46e17..4b982a0dadf6 100644
--- a/drivers/gpu/drm/i915/display/intel_display_types.h
+++ b/drivers/gpu/drm/i915/display/intel_display_types.h
@@ -1717,6 +1717,7 @@ struct intel_dp {
 
 	/* Display stream compression testing */
 	bool force_dsc_en;
+	bool force_dsc_ycbcr420_en;
 	int force_dsc_bpc;
 
 	bool hobl_failed;
