2 * Copyright © 2020 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included
12 * in all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20 * DEALINGS IN THE SOFTWARE.
24 #include "drm-uapi/i915_drm.h"
27 gen_gem_supports_syncobj_wait(int fd
)
31 struct drm_syncobj_create create
= {
34 ret
= gen_ioctl(fd
, DRM_IOCTL_SYNCOBJ_CREATE
, &create
);
38 uint32_t syncobj
= create
.handle
;
40 struct drm_syncobj_wait wait
= {
41 .handles
= (uint64_t)(uintptr_t)&create
,
44 .flags
= DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT
,
46 ret
= gen_ioctl(fd
, DRM_IOCTL_SYNCOBJ_WAIT
, &wait
);
48 struct drm_syncobj_destroy destroy
= {
51 gen_ioctl(fd
, DRM_IOCTL_SYNCOBJ_DESTROY
, &destroy
);
53 /* If it timed out, then we have the ioctl and it supports the
54 * DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT flag.
56 return ret
== -1 && errno
== ETIME
;