src/gallium/drivers/freedreno/drm/freedreno_pipe.c

   1 /*
   2  * Copyright (C) 2012-2018 Rob Clark <robclark@freedesktop.org>
   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  *    Rob Clark <robclark@freedesktop.org>
  25  */
  26
  27 #include "freedreno_drmif.h"
  28 #include "freedreno_priv.h"
  29
  30 /**
  31  * priority of zero is highest priority, and higher numeric values are
  32  * lower priorities
  33  */
  34 struct fd_pipe *
  35 fd_pipe_new2(struct fd_device *dev, enum fd_pipe_id id, uint32_t prio)
  36 {
  37         struct fd_pipe *pipe;
  38         uint64_t val;
  39
  40         if (id > FD_PIPE_MAX) {
  41                 ERROR_MSG("invalid pipe id: %d", id);
  42                 return NULL;
  43         }
  44
  45         if ((prio != 1) && (fd_device_version(dev) < FD_VERSION_SUBMIT_QUEUES)) {
  46                 ERROR_MSG("invalid priority!");
  47                 return NULL;
  48         }
  49
  50         pipe = dev->funcs->pipe_new(dev, id, prio);
  51         if (!pipe) {
  52                 ERROR_MSG("allocation failed");
  53                 return NULL;
  54         }
  55
  56         pipe->dev = dev;
  57         pipe->id = id;
  58         p_atomic_set(&pipe->refcnt, 1);
  59
  60         fd_pipe_get_param(pipe, FD_GPU_ID, &val);
  61         pipe->gpu_id = val;
  62
  63         return pipe;
  64 }
  65
  66 struct fd_pipe *
  67 fd_pipe_new(struct fd_device *dev, enum fd_pipe_id id)
  68 {
  69         return fd_pipe_new2(dev, id, 1);
  70 }
  71
  72 struct fd_pipe * fd_pipe_ref(struct fd_pipe *pipe)
  73 {
  74         p_atomic_inc(&pipe->refcnt);
  75         return pipe;
  76 }
  77
  78 void fd_pipe_del(struct fd_pipe *pipe)
  79 {
  80         if (!atomic_dec_and_test(&pipe->refcnt))
  81                 return;
  82         pipe->funcs->destroy(pipe);
  83 }
  84
  85 int fd_pipe_get_param(struct fd_pipe *pipe,
  86                                  enum fd_param_id param, uint64_t *value)
  87 {
  88         return pipe->funcs->get_param(pipe, param, value);
  89 }
  90
  91 int fd_pipe_wait(struct fd_pipe *pipe, uint32_t timestamp)
  92 {
  93         return fd_pipe_wait_timeout(pipe, timestamp, ~0);
  94 }
  95
  96 int fd_pipe_wait_timeout(struct fd_pipe *pipe, uint32_t timestamp,
  97                 uint64_t timeout)
  98 {
  99         return pipe->funcs->wait(pipe, timestamp, timeout);
 100 }