diff options
Diffstat (limited to 'sys/dev/pci/drm/drm_edid.c')
| -rw-r--r-- | sys/dev/pci/drm/drm_edid.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/sys/dev/pci/drm/drm_edid.c b/sys/dev/pci/drm/drm_edid.c index e969161f7b0..35892e859f6 100644 --- a/sys/dev/pci/drm/drm_edid.c +++ b/sys/dev/pci/drm/drm_edid.c @@ -1595,6 +1595,36 @@ static struct edid *drm_get_override_edid(struct drm_connector *connector) } /** + * drm_add_override_edid_modes - add modes from override/firmware EDID + * @connector: connector we're probing + * + * Add modes from the override/firmware EDID, if available. Only to be used from + * drm_helper_probe_single_connector_modes() as a fallback for when DDC probe + * failed during drm_get_edid() and caused the override/firmware EDID to be + * skipped. + * + * Return: The number of modes added or 0 if we couldn't find any. + */ +int drm_add_override_edid_modes(struct drm_connector *connector) +{ + struct edid *override; + int num_modes = 0; + + override = drm_get_override_edid(connector); + if (override) { + drm_connector_update_edid_property(connector, override); + num_modes = drm_add_edid_modes(connector, override); + kfree(override); + + DRM_DEBUG_KMS("[CONNECTOR:%d:%s] adding %d modes via fallback override/firmware EDID\n", + connector->base.id, connector->name, num_modes); + } + + return num_modes; +} +EXPORT_SYMBOL(drm_add_override_edid_modes); + +/** * drm_do_get_edid - get EDID data using a custom EDID block read function * @connector: connector we're probing * @get_edid_block: EDID block read function |