BACK_PORCH        375 drivers/gpu/drm/zte/zx_vou.c 	val |= BACK_PORCH(vm.hback_porch - 1);
BACK_PORCH        380 drivers/gpu/drm/zte/zx_vou.c 	val |= BACK_PORCH(vm.vback_porch - 1);
BACK_PORCH        398 drivers/gpu/drm/zte/zx_vou.c 		val |= BACK_PORCH(vm.vback_porch);