drivers/gpu/drm/nouveau/nvkm/subdev/bar/gk20a.c

   1 /*
   2  * Copyright (c) 2014, NVIDIA CORPORATION. All rights reserved.
   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 shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  19  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  20  * DEALINGS IN THE SOFTWARE.
  21  */
  22 #include "gf100.h"
  23
  24 static const struct nvkm_bar_func
  25 gk20a_bar_func = {
  26         .dtor = gf100_bar_dtor,
  27         .oneinit = gf100_bar_oneinit,
  28         .init = gf100_bar_init,
  29         .umap = gf100_bar_umap,
  30         .flush = g84_bar_flush,
  31 };
  32
  33 int
  34 gk20a_bar_new(struct nvkm_device *device, int index, struct nvkm_bar **pbar)
  35 {
  36         int ret = gf100_bar_new_(&gk20a_bar_func, device, index, pbar);
  37         if (ret == 0)
  38                 (*pbar)->iomap_uncached = true;
  39         return ret;
  40 }