17ec681f3Smrg/* 27ec681f3Smrg * Copyright © 2020 Intel Corporation 37ec681f3Smrg * 47ec681f3Smrg * Permission is hereby granted, free of charge, to any person obtaining a 57ec681f3Smrg * copy of this software and associated documentation files (the "Software"), 67ec681f3Smrg * to deal in the Software without restriction, including without limitation 77ec681f3Smrg * the rights to use, copy, modify, merge, publish, distribute, sublicense, 87ec681f3Smrg * and/or sell copies of the Software, and to permit persons to whom the 97ec681f3Smrg * Software is furnished to do so, subject to the following conditions: 107ec681f3Smrg * 117ec681f3Smrg * The above copyright notice and this permission notice shall be included 127ec681f3Smrg * in all copies or substantial portions of the Software. 137ec681f3Smrg * 147ec681f3Smrg * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 157ec681f3Smrg * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 167ec681f3Smrg * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 177ec681f3Smrg * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 187ec681f3Smrg * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 197ec681f3Smrg * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 207ec681f3Smrg * DEALINGS IN THE SOFTWARE. 217ec681f3Smrg */ 227ec681f3Smrg 237ec681f3Smrg#include "intel_gem.h" 247ec681f3Smrg#include "drm-uapi/i915_drm.h" 257ec681f3Smrg 267ec681f3Smrgbool 277ec681f3Smrgintel_gem_supports_syncobj_wait(int fd) 287ec681f3Smrg{ 297ec681f3Smrg int ret; 307ec681f3Smrg 317ec681f3Smrg struct drm_syncobj_create create = { 327ec681f3Smrg .flags = 0, 337ec681f3Smrg }; 347ec681f3Smrg ret = intel_ioctl(fd, DRM_IOCTL_SYNCOBJ_CREATE, &create); 357ec681f3Smrg if (ret) 367ec681f3Smrg return false; 377ec681f3Smrg 387ec681f3Smrg uint32_t syncobj = create.handle; 397ec681f3Smrg 407ec681f3Smrg struct drm_syncobj_wait wait = { 417ec681f3Smrg .handles = (uint64_t)(uintptr_t)&create, 427ec681f3Smrg .count_handles = 1, 437ec681f3Smrg .timeout_nsec = 0, 447ec681f3Smrg .flags = DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT, 457ec681f3Smrg }; 467ec681f3Smrg ret = intel_ioctl(fd, DRM_IOCTL_SYNCOBJ_WAIT, &wait); 477ec681f3Smrg 487ec681f3Smrg struct drm_syncobj_destroy destroy = { 497ec681f3Smrg .handle = syncobj, 507ec681f3Smrg }; 517ec681f3Smrg intel_ioctl(fd, DRM_IOCTL_SYNCOBJ_DESTROY, &destroy); 527ec681f3Smrg 537ec681f3Smrg /* If it timed out, then we have the ioctl and it supports the 547ec681f3Smrg * DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT flag. 557ec681f3Smrg */ 567ec681f3Smrg return ret == -1 && errno == ETIME; 577ec681f3Smrg} 58