DPCD_MAX_LANE_COUNT   26 drivers/gpu/drm/bridge/analogix/analogix_dp_core.h #define DPCD_MAX_LANE_COUNT(x)			((x) & 0x1f)
DPCD_MAX_LANE_COUNT   75 drivers/gpu/drm/i915/gvt/display.h #define DPCD_MAX_LANE_COUNT		0x002