1/*
 2 * Copyright © 2016 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#ifndef __I915_FENCE_REG_H__
26#define __I915_FENCE_REG_H__
27
28#include <linux/list.h>
29
30struct drm_i915_private;
31struct i915_vma;
32
33#define I965_FENCE_PAGE 4096UL
34
35struct drm_i915_fence_reg {
36	struct list_head link;
37	struct drm_i915_private *i915;
38	struct i915_vma *vma;
39	int pin_count;
40	int id;
41	/**
42	 * Whether the tiling parameters for the currently
43	 * associated fence register have changed. Note that
44	 * for the purposes of tracking tiling changes we also
45	 * treat the unfenced register, the register slot that
46	 * the object occupies whilst it executes a fenced
47	 * command (such as BLT on gen2/3), as a "fence".
48	 */
49	bool dirty;
50};
51
52#endif
53