src/etnaviv/drm/etnaviv_pipe.c

   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@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 }