1 /* 2 * Copyright (C) 2014-2015 Etnaviv Project 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 FROM, 20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 * SOFTWARE. 22 * 23 * Authors: 24 * Christian Gmeiner <christian.gmeiner (at) gmail.com> 25 */ 26 27 #include "etnaviv_priv.h" 28 29 int etna_pipe_wait(struct etna_pipe *pipe, uint32_t timestamp, uint32_t ms) 30 { 31 return etna_pipe_wait_ns(pipe, timestamp, ms * 1000000); 32 } 33 34 int etna_pipe_wait_ns(struct etna_pipe *pipe, uint32_t timestamp, uint64_t ns) 35 { 36 struct etna_device *dev = pipe->gpu->dev; 37 int ret; 38 39 struct drm_etnaviv_wait_fence req = { 40 .pipe = pipe->gpu->core, 41 .fence = timestamp, 42 }; 43 44 if (ns == 0) 45 req.flags |= ETNA_WAIT_NONBLOCK; 46 47 get_abs_timeout(&req.timeout, ns); 48 49 ret = drmCommandWrite(dev->fd, DRM_ETNAVIV_WAIT_FENCE, &req, sizeof(req)); 50 if (ret) { 51 ERROR_MSG("wait-fence failed! %d (%s)", ret, strerror(errno)); 52 return ret; 53 } 54 55 return 0; 56 } 57 58 void etna_pipe_del(struct etna_pipe *pipe) 59 { 60 free(pipe); 61 } 62 63 struct etna_pipe *etna_pipe_new(struct etna_gpu *gpu, enum etna_pipe_id id) 64 { 65 struct etna_pipe *pipe; 66 67 pipe = calloc(1, sizeof(*pipe)); 68 if (!pipe) { 69 ERROR_MSG("allocation failed"); 70 goto fail; 71 } 72 73 pipe->id = id; 74 pipe->gpu = gpu; 75 76 return pipe; 77 fail: 78 return NULL; 79 } 80