drm_edid_to_sad
sad_count = drm_edid_to_sad(amdgpu_connector->edid, &sads);
sad_count = drm_edid_to_sad(amdgpu_connector->edid, &sads);
sad_count = drm_edid_to_sad(amdgpu_connector->edid, &sads);
sad_count = drm_edid_to_sad((struct edid *) edid->raw_edid, &sads);
EXPORT_SYMBOL(drm_edid_to_sad);
int drm_edid_to_sad(const struct edid *edid, struct cea_sad **sads);
sad_count = drm_edid_to_sad(radeon_connector->edid, &sads);