vc4_fence.c (1725B)
1/* 2 * Copyright © 2017 Broadcom 3 * 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: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 21 * IN THE SOFTWARE. 22 */ 23 24#include "vc4_drv.h" 25 26static const char *vc4_fence_get_driver_name(struct dma_fence *fence) 27{ 28 return "vc4"; 29} 30 31static const char *vc4_fence_get_timeline_name(struct dma_fence *fence) 32{ 33 return "vc4-v3d"; 34} 35 36static bool vc4_fence_signaled(struct dma_fence *fence) 37{ 38 struct vc4_fence *f = to_vc4_fence(fence); 39 struct vc4_dev *vc4 = to_vc4_dev(f->dev); 40 41 return vc4->finished_seqno >= f->seqno; 42} 43 44const struct dma_fence_ops vc4_fence_ops = { 45 .get_driver_name = vc4_fence_get_driver_name, 46 .get_timeline_name = vc4_fence_get_timeline_name, 47 .signaled = vc4_fence_signaled, 48};