LXR linux/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager

   1/*
   2 * Copyright 2018 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#include "kfd_device_queue_manager.h"
  25#include "navi10_enum.h"
  26#include "gc/gc_10_1_0_offset.h"
  27#include "gc/gc_10_1_0_sh_mask.h"
  28
  29static int update_qpd_v10(struct device_queue_manager *dqm,
  30                         struct qcm_process_device *qpd);
  31static void init_sdma_vm_v10(struct device_queue_manager *dqm, struct queue *q,
  32                            struct qcm_process_device *qpd);
  33
  34void device_queue_manager_init_v10_navi10(
  35        struct device_queue_manager_asic_ops *asic_ops)
  36{
  37        asic_ops->update_qpd = update_qpd_v10;
  38        asic_ops->init_sdma_vm = init_sdma_vm_v10;
  39        asic_ops->mqd_manager_init = mqd_manager_init_v10;
  40}
  41
  42static uint32_t compute_sh_mem_bases_64bit(struct kfd_process_device *pdd)
  43{
  44        uint32_t shared_base = pdd->lds_base >> 48;
  45        uint32_t private_base = pdd->scratch_base >> 48;
  46
  47        return (shared_base << SH_MEM_BASES__SHARED_BASE__SHIFT) |
  48                private_base;
  49}
  50
  51static int update_qpd_v10(struct device_queue_manager *dqm,
  52                         struct qcm_process_device *qpd)
  53{
  54        struct kfd_process_device *pdd;
  55
  56        pdd = qpd_to_pdd(qpd);
  57
  58        /* check if sh_mem_config register already configured */
  59        if (qpd->sh_mem_config == 0) {
  60                qpd->sh_mem_config =
  61                        (SH_MEM_ALIGNMENT_MODE_UNALIGNED <<
  62                                SH_MEM_CONFIG__ALIGNMENT_MODE__SHIFT) |
  63                        (3 << SH_MEM_CONFIG__INITIAL_INST_PREFETCH__SHIFT);
  64#if 0
  65                /* TODO:
  66                 *    This shouldn't be an issue with Navi10.  Verify.
  67                 */
  68                if (vega10_noretry)
  69                        qpd->sh_mem_config |=
  70                                1 << SH_MEM_CONFIG__RETRY_DISABLE__SHIFT;
  71#endif
  72
  73                qpd->sh_mem_ape1_limit = 0;
  74                qpd->sh_mem_ape1_base = 0;
  75        }
  76
  77        qpd->sh_mem_bases = compute_sh_mem_bases_64bit(pdd);
  78
  79        pr_debug("sh_mem_bases 0x%X\n", qpd->sh_mem_bases);
  80
  81        return 0;
  82}
  83
  84static void init_sdma_vm_v10(struct device_queue_manager *dqm, struct queue *q,
  85                            struct qcm_process_device *qpd)
  86{
  87        /* Not needed on SDMAv4 onwards any more */
  88        q->properties.sdma_vm_addr = 0;
  89}
  90