1/*
2 * Copyright 2019 Advanced Micro Devices, 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 */
23
24#ifndef __SDMA_COMMON_H__
25#define __SDMA_COMMON_H__
26
27enum sdma_utcl2_cache_read_policy {
28 CACHE_READ_POLICY_L2__LRU = 0x00000000,
29 CACHE_READ_POLICY_L2__STREAM = 0x00000001,
30 CACHE_READ_POLICY_L2__NOA = 0x00000002,
31 CACHE_READ_POLICY_L2__DEFAULT = CACHE_READ_POLICY_L2__NOA,
32};
33
34enum sdma_utcl2_cache_write_policy {
35 CACHE_WRITE_POLICY_L2__LRU = 0x00000000,
36 CACHE_WRITE_POLICY_L2__STREAM = 0x00000001,
37 CACHE_WRITE_POLICY_L2__NOA = 0x00000002,
38 CACHE_WRITE_POLICY_L2__BYPASS = 0x00000003,
39 CACHE_WRITE_POLICY_L2__DEFAULT = CACHE_WRITE_POLICY_L2__BYPASS,
40};
41
42#endif /* __SDMA_COMMON_H__ */
43

source code of linux/drivers/gpu/drm/amd/amdgpu/sdma_common.h