drm_edid_get_panel_id
EXPORT_SYMBOL(drm_edid_get_panel_id);
if (!drm_edid || drm_edid_get_panel_id(drm_edid) != ident->panel_id)
panel_id = drm_edid_get_panel_id(base_block);
u32 drm_edid_get_panel_id(const struct drm_edid *drm_edid);