diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_bios.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c index db0beb9faf3f..41c584f3c152 100644 --- a/drivers/gpu/drm/i915/display/intel_bios.c +++ b/drivers/gpu/drm/i915/display/intel_bios.c @@ -3399,10 +3399,22 @@ bool intel_bios_is_lvds_present(struct drm_i915_private *i915, u8 *i2c_pin) */ bool intel_bios_is_port_present(struct drm_i915_private *i915, enum port port) { + const struct intel_bios_encoder_data *devdata; + if (WARN_ON(!has_ddi_port_info(i915))) return true; - return i915->display.vbt.ports[port]; + if (!is_port_valid(i915, port)) + return false; + + list_for_each_entry(devdata, &i915->display.vbt.display_devices, node) { + const struct child_device_config *child = &devdata->child; + + if (dvo_port_to_port(i915, child->dvo_port) == port) + return true; + } + + return false; } /** |