1// SPDX-License-Identifier: GPL-2.0 OR MIT
2/*
3 * Copyright 2018-2022 Advanced Micro Devices, Inc.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21 * OTHER DEALINGS IN THE SOFTWARE.
22 *
23 */
24
25#include "kfd_device_queue_manager.h"
26#include "navi10_enum.h"
27#include "gc/gc_10_1_0_offset.h"
28#include "gc/gc_10_1_0_sh_mask.h"
29
30static int update_qpd_v10(struct device_queue_manager *dqm,
31 struct qcm_process_device *qpd);
32static void init_sdma_vm_v10(struct device_queue_manager *dqm, struct queue *q,
33 struct qcm_process_device *qpd);
34
35void device_queue_manager_init_v10(
36 struct device_queue_manager_asic_ops *asic_ops)
37{
38 asic_ops->update_qpd = update_qpd_v10;
39 asic_ops->init_sdma_vm = init_sdma_vm_v10;
40 asic_ops->mqd_manager_init = mqd_manager_init_v10;
41}
42
43static uint32_t compute_sh_mem_bases_64bit(struct kfd_process_device *pdd)
44{
45 uint32_t shared_base = pdd->lds_base >> 48;
46 uint32_t private_base = pdd->scratch_base >> 48;
47
48 return (shared_base << SH_MEM_BASES__SHARED_BASE__SHIFT) |
49 private_base;
50}
51
52static int update_qpd_v10(struct device_queue_manager *dqm,
53 struct qcm_process_device *qpd)
54{
55 struct kfd_process_device *pdd;
56
57 pdd = qpd_to_pdd(qpd);
58
59 /* check if sh_mem_config register already configured */
60 if (qpd->sh_mem_config == 0) {
61 qpd->sh_mem_config =
62 (SH_MEM_ALIGNMENT_MODE_UNALIGNED <<
63 SH_MEM_CONFIG__ALIGNMENT_MODE__SHIFT) |
64 (3 << SH_MEM_CONFIG__INITIAL_INST_PREFETCH__SHIFT);
65 qpd->sh_mem_ape1_limit = 0;
66 qpd->sh_mem_ape1_base = 0;
67 }
68
69 qpd->sh_mem_bases = compute_sh_mem_bases_64bit(pdd);
70
71 pr_debug("sh_mem_bases 0x%X\n", qpd->sh_mem_bases);
72
73 return 0;
74}
75
76static void init_sdma_vm_v10(struct device_queue_manager *dqm, struct queue *q,
77 struct qcm_process_device *qpd)
78{
79 /* Not needed on SDMAv4 onwards any more */
80 q->properties.sdma_vm_addr = 0;
81}
82

source code of linux/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager_v10.c