drivers/gpu/drm/nouveau/nvc0_graph.c

   1 /*
   2  * Copyright 2010 Red Hat Inc.
   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 COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  * Authors: Ben Skeggs
  23  */
  24
  25 #include "drmP.h"
  26
  27 #include "nouveau_drv.h"
  28
  29 void
  30 nvc0_graph_fifo_access(struct drm_device *dev, bool enabled)
  31 {
  32 }
  33
  34 struct nouveau_channel *
  35 nvc0_graph_channel(struct drm_device *dev)
  36 {
  37         return NULL;
  38 }
  39
  40 int
  41 nvc0_graph_create_context(struct nouveau_channel *chan)
  42 {
  43         return 0;
  44 }
  45
  46 void
  47 nvc0_graph_destroy_context(struct nouveau_channel *chan)
  48 {
  49 }
  50
  51 int
  52 nvc0_graph_load_context(struct nouveau_channel *chan)
  53 {
  54         return 0;
  55 }
  56
  57 int
  58 nvc0_graph_unload_context(struct drm_device *dev)
  59 {
  60         return 0;
  61 }
  62
  63 void
  64 nvc0_graph_takedown(struct drm_device *dev)
  65 {
  66 }
  67
  68 int
  69 nvc0_graph_init(struct drm_device *dev)
  70 {
  71         struct drm_nouveau_private *dev_priv = dev->dev_private;
  72         dev_priv->engine.graph.accel_blocked = true;
  73         return 0;
  74 }
  75