1// SPDX-License-Identifier: GPL-2.0 OR MIT
2/*
3 * Copyright 2016-2022 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 "vega10_enum.h"
27#include "gc/gc_9_0_offset.h"
28#include "gc/gc_9_0_sh_mask.h"
29#include "sdma0/sdma0_4_0_sh_mask.h"
30
31static int update_qpd_v9(struct device_queue_manager *dqm,
32 struct qcm_process_device *qpd);
33static void init_sdma_vm_v9(struct device_queue_manager *dqm, struct queue *q,
34 struct qcm_process_device *qpd);
35
36void device_queue_manager_init_v9(
37 struct device_queue_manager_asic_ops *asic_ops)
38{
39 asic_ops->update_qpd = update_qpd_v9;
40 asic_ops->init_sdma_vm = init_sdma_vm_v9;
41 asic_ops->mqd_manager_init = mqd_manager_init_v9;
42}
43
44static uint32_t compute_sh_mem_bases_64bit(struct kfd_process_device *pdd)
45{
46 uint32_t shared_base = pdd->lds_base >> 48;
47 uint32_t private_base = pdd->scratch_base >> 48;
48
49 return (shared_base << SH_MEM_BASES__SHARED_BASE__SHIFT) |
50 private_base;
51}
52
53static int update_qpd_v9(struct device_queue_manager *dqm,
54 struct qcm_process_device *qpd)
55{
56 struct kfd_process_device *pdd;
57
58 pdd = qpd_to_pdd(qpd);
59
60 /* check if sh_mem_config register already configured */
61 if (qpd->sh_mem_config == 0) {
62 qpd->sh_mem_config = SH_MEM_ALIGNMENT_MODE_UNALIGNED <<
63 SH_MEM_CONFIG__ALIGNMENT_MODE__SHIFT;
64
65 if (dqm->dev->noretry && !dqm->dev->use_iommu_v2)
66 qpd->sh_mem_config |= 1 << SH_MEM_CONFIG__RETRY_DISABLE__SHIFT;
67
68 qpd->sh_mem_ape1_limit = 0;
69 qpd->sh_mem_ape1_base = 0;
70 }
71
72 if (KFD_SUPPORT_XNACK_PER_PROCESS(dqm->dev)) {
73 if (!pdd->process->xnack_enabled)
74 qpd->sh_mem_config |= 1 << SH_MEM_CONFIG__RETRY_DISABLE__SHIFT;
75 else
76 qpd->sh_mem_config &= ~(1 << SH_MEM_CONFIG__RETRY_DISABLE__SHIFT);
77 }
78
79 qpd->sh_mem_bases = compute_sh_mem_bases_64bit(pdd);
80
81 pr_debug("sh_mem_bases 0x%X sh_mem_config 0x%X\n", qpd->sh_mem_bases,
82 qpd->sh_mem_config);
83
84 return 0;
85}
86
87static void init_sdma_vm_v9(struct device_queue_manager *dqm, struct queue *q,
88 struct qcm_process_device *qpd)
89{
90 /* Not needed on SDMAv4 any more */
91 q->properties.sdma_vm_addr = 0;
92}
93

source code of linux/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager_v9.c