diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dp.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index b5e2508db1cf..d6d8c9922feb 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -4974,6 +4974,14 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp, mutex_lock(&dev->mode_config.mutex); edid = drm_get_edid(connector, &intel_dp->aux.ddc); + if (!edid) { + /* Fallback to EDID from ACPI OpRegion, if any */ + edid = intel_opregion_get_edid(intel_connector); + if (edid) + drm_dbg_kms(&dev_priv->drm, + "[CONNECTOR:%d:%s] Using OpRegion EDID\n", + connector->base.id, connector->name); + } if (edid) { if (drm_add_edid_modes(connector, edid)) { drm_connector_update_edid_property(connector, edid); |