+#define VENDOR_IFRAME_LINE_NUMBER 3
+
+static void msm_hdmi_config_vs_infoframe(struct hdmi *hdmi)
+{
+       struct drm_crtc *crtc = hdmi->encoder->crtc;
+       const struct drm_display_mode *mode = &crtc->state->adjusted_mode;
+       struct hdmi_vendor_infoframe frame;
+       u8 buffer[HDMI_INFOFRAME_SIZE(VENDOR)];
+       u32 val;
+       int len;
+
+       drm_hdmi_vendor_infoframe_from_display_mode(&frame,
+                                                   hdmi->connector, mode);
+
+       len = hdmi_vendor_infoframe_pack(&frame, buffer, sizeof(buffer));
+       if (len < 0) {
+               DRM_DEV_ERROR(&hdmi->pdev->dev,
+                             "failed to configure vendor infoframe\n");
+               return;
+       }
+
+       val = (buffer[3] << 8) | buffer[7] | buffer[2];
+       if (frame.s3d_struct != HDMI_3D_STRUCTURE_INVALID)
+               val |= frame.s3d_struct << 24;
+       else
+               val |= frame.vic << 16;
+
+       hdmi_write(hdmi, REG_HDMI_VENSPEC_INFO(0), val);
+       hdmi_write(hdmi, REG_HDMI_VENSPEC_INFO(1), buffer[9] >> 4);
+       hdmi_write(hdmi, REG_HDMI_INFOFRAME_CTRL0,
+                  HDMI_INFOFRAME_CTRL0_VENSPEC_INFO_SEND |
+                  HDMI_INFOFRAME_CTRL0_VENSPEC_INFO_CONT);
+
+       val = hdmi_read(hdmi, REG_HDMI_INFOFRAME_CTRL1);
+       val &= ~HDMI_INFOFRAME_CTRL1_VENSPEC_INFO_LINE__MASK;
+       val |= HDMI_INFOFRAME_CTRL1_VENSPEC_INFO_LINE(VENDOR_IFRAME_LINE_NUMBER);
+       hdmi_write(hdmi, REG_HDMI_INFOFRAME_CTRL1, val);
+}
+