| 1351,3 → 1351,42 |
|---|
| |
| return 0; |
| } |
| |
| /** |
| * intel_bios_is_port_present - is the specified digital port present |
| * @dev_priv: i915 device instance |
| * @port: port to check |
| * |
| * Return true if the device in %port is present. |
| */ |
| bool intel_bios_is_port_present(struct drm_i915_private *dev_priv, enum port port) |
| { |
| static const struct { |
| u16 dp, hdmi; |
| } port_mapping[] = { |
| [PORT_B] = { DVO_PORT_DPB, DVO_PORT_HDMIB, }, |
| [PORT_C] = { DVO_PORT_DPC, DVO_PORT_HDMIC, }, |
| [PORT_D] = { DVO_PORT_DPD, DVO_PORT_HDMID, }, |
| [PORT_E] = { DVO_PORT_DPE, DVO_PORT_HDMIE, }, |
| }; |
| int i; |
| |
| /* FIXME maybe deal with port A as well? */ |
| if (WARN_ON(port == PORT_A) || port >= ARRAY_SIZE(port_mapping)) |
| return false; |
| |
| if (!dev_priv->vbt.child_dev_num) |
| return false; |
| |
| for (i = 0; i < dev_priv->vbt.child_dev_num; i++) { |
| const union child_device_config *p_child = |
| &dev_priv->vbt.child_dev[i]; |
| if ((p_child->common.dvo_port == port_mapping[port].dp || |
| p_child->common.dvo_port == port_mapping[port].hdmi) && |
| (p_child->common.device_type & (DEVICE_TYPE_TMDS_DVI_SIGNALING | |
| DEVICE_TYPE_DISPLAYPORT_OUTPUT))) |
| return true; |
| } |
| |
| return false; |
| } |