dnl #
dnl # commit 6a0d95285035c43361c72776b4c618f60c0f4ab4
dnl # drm: Add helpers to turn off CRTCs
dnl #
AC_DEFUN([AC_AMDGPU_DRM_CRTC_FORCE_DISABLE_ALL],
	[AC_MSG_CHECKING([whether drm_crtc_force_disable_all() is available])
	AC_KERNEL_TRY_COMPILE_SYMBOL([
		#include <drm/drm_crtc.h>
	], [
		drm_crtc_force_disable_all(NULL);
	], [drm_crtc_force_disable_all], [drivers/gpu/drm/drm_crtc.c], [
		AC_MSG_RESULT(yes)
		AC_DEFINE(HAVE_DRM_CRTC_FORCE_DISABLE_ALL, 1, [drm_crtc_force_disable_all() is available])
	], [
		AC_MSG_RESULT(no)
	])
])