dnl #
dnl # commit v5.3-rc3-2032-g4d85f45c73a2
dnl # drm/atomic: Rename crtc_state->pageflip_flags to async_flip
dnl #
AC_DEFUN([AC_AMDGPU_STRUCT_DRM_CRTC_STATE], [
	AC_KERNEL_DO_BACKGROUND([
		AC_KERNEL_TRY_COMPILE([
			#include <drm/drm_crtc.h>
		], [
			struct drm_crtc_state *crtc_state = NULL;
			crtc_state->async_flip = 0;
		],[
			AC_DEFINE(HAVE_STRUCT_DRM_CRTC_STATE_ASYNC_FLIP, 1,
				[struct drm_crtc_state->async_flip is available])
			AC_DEFINE(HAVE_STRUCT_DRM_CRTC_STATE_FLIP_FLAG, 1,
				[struct drm_crtc_state has flag for flip])
		],[
			dnl #
			dnl # v4.10-rc5-1062-g6cbe5c466d73
			dnl # drm/atomic: Save flip flags in drm_crtc_state
			dnl #
			AC_KERNEL_TRY_COMPILE([
				#include <drm/drm_crtc.h>
			], [
				struct drm_crtc_state *crtc_state = NULL;
				crtc_state->pageflip_flags = 0;
			],[
				AC_DEFINE(HAVE_STRUCT_DRM_CRTC_STATE_PAGEFLIP_FLAGS, 1,
					[struct drm_crtc_state->pageflip_flags is available])
				AC_DEFINE(HAVE_STRUCT_DRM_CRTC_STATE_FLIP_FLAG, 1,
					[struct drm_crtc_state has flag for flip])
			])
		])
	])
])