dnl #
dnl # commit fef9df8b594531a4257b6a3bf7e190570c17be29
dnl # drm/atomic: initial support for asynchronous plane update
dnl #
AC_DEFUN([AC_AMDGPU_DRM_ATOMIC_STATE_ASYNC_UPDATE], [
	AC_MSG_CHECKING([whether struct drm_atomic_state have async_update])
	AC_KERNEL_TRY_COMPILE([
		#include <drm/drm_atomic.h>
	], [
		struct drm_atomic_state *state = NULL;

		state->async_update = 0;
	], [
		AC_MSG_RESULT(yes)
		AC_DEFINE(HAVE_DRM_ATOMIC_STATE_ASYNC_UPDATE, 1, [whether struct drm_atomic_state have async_update])
	], [
		AC_MSG_RESULT(no)
	])
])