diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_bios.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_bios.c | 13 |
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, |