drivers/gpu/drm/i915/selftests/mock_timeline.c

   1 /*
   2  * Copyright © 2017 Intel Corporation
   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
  25 #include "mock_timeline.h"
  26
  27 struct intel_timeline *mock_timeline(u64 context)
  28 {
  29         static struct lock_class_key class;
  30         struct intel_timeline *tl;
  31
  32         tl = kzalloc(sizeof(*tl), GFP_KERNEL);
  33         if (!tl)
  34                 return NULL;
  35
  36         __intel_timeline_init(tl, NULL, context, &class, "mock");
  37
  38         return tl;
  39 }
  40
  41 void mock_timeline_destroy(struct intel_timeline *tl)
  42 {
  43         __intel_timeline_fini(tl);
  44         kfree(tl);
  45 }