xen/drm: switch xen_drm_front to use INVALID_GRANT_REF
authorJuergen Gross <jgross@suse.com>
Thu, 28 Apr 2022 07:01:02 +0000 (09:01 +0200)
committerJuergen Gross <jgross@suse.com>
Thu, 19 May 2022 12:21:45 +0000 (14:21 +0200)
commitcb5216319be122c671f2c86633b6fc47f4d7fa02
tree7fc05dfd315214e2bd603bc91db14e6d9635c12c
parentedd81e7caa77a2772bb9ddb8562e2d45aeed2cc1
xen/drm: switch xen_drm_front to use INVALID_GRANT_REF

Instead of using a private macro for an invalid grant reference use
the common one.

Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>
Tested-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com> # Arm64 only
Signed-off-by: Juergen Gross <jgross@suse.com>
drivers/gpu/drm/xen/xen_drm_front.h
drivers/gpu/drm/xen/xen_drm_front_evtchnl.c