1 files changed, 13 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index 6b6509656f16..1ee98f121a00 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -744,6 +744,10 @@ parse_mipi(struct drm_i915_private *dev_priv, struct bdb_header *bdb)
         int i, panel_id, seq_size;
         u16 block_size;
 
+        /* parse MIPI blocks only if LFP type is MIPI */
+        if (!dev_priv->vbt.has_mipi)
+                return;
+
         /* Initialize this to undefined indicating no generic MIPI support */
         dev_priv->vbt.dsi.panel_id = MIPI_DSI_UNDEFINED_PANEL_ID;
 
@@ -1059,6 +1063,15 @@ parse_device_mapping(struct drm_i915_private *dev_priv,
                         /* skip the device block if device type is invalid */
                         continue;
                 }
+
+                if (p_child->common.dvo_port >= DVO_PORT_MIPIA
+                    && p_child->common.dvo_port <= DVO_PORT_MIPID
+                    &&p_child->common.device_type & DEVICE_TYPE_MIPI_OUTPUT) {
+                        DRM_DEBUG_KMS("Found MIPI as LFP\n");
+                        dev_priv->vbt.has_mipi = 1;
+                        dev_priv->vbt.dsi.port = p_child->common.dvo_port;
+                }
+
                 child_dev_ptr = dev_priv->vbt.child_dev + count;
                 count++;
                 memcpy((void *)child_dev_ptr, (void *)p_child,