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path: root/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c')
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c175
1 files changed, 100 insertions, 75 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c
index 326eb2285029..0778e587a2d6 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0 OR MIT
/*
- * Copyright 2016-2018 Advanced Micro Devices, Inc.
+ * Copyright 2016-2022 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
@@ -204,14 +205,6 @@ static int load_mqd(struct mqd_manager *mm, void *mqd,
wptr_shift, 0, mms);
}
-static int hiq_load_mqd_kiq(struct mqd_manager *mm, void *mqd,
- uint32_t pipe_id, uint32_t queue_id,
- struct queue_properties *p, struct mm_struct *mms)
-{
- return mm->dev->kfd2kgd->hiq_mqd_load(mm->dev->adev, mqd, pipe_id,
- queue_id, p->doorbell_off);
-}
-
static void update_mqd(struct mqd_manager *mm, void *mqd,
struct queue_properties *q,
struct mqd_update_info *minfo)
@@ -285,38 +278,6 @@ static uint32_t read_doorbell_id(void *mqd)
return m->queue_doorbell_id0;
}
-static int destroy_mqd(struct mqd_manager *mm, void *mqd,
- enum kfd_preempt_type type,
- unsigned int timeout, uint32_t pipe_id,
- uint32_t queue_id)
-{
- return mm->dev->kfd2kgd->hqd_destroy
- (mm->dev->adev, mqd, type, timeout,
- pipe_id, queue_id);
-}
-
-static void free_mqd(struct mqd_manager *mm, void *mqd,
- struct kfd_mem_obj *mqd_mem_obj)
-{
- struct kfd_dev *kfd = mm->dev;
-
- if (mqd_mem_obj->gtt_mem) {
- amdgpu_amdkfd_free_gtt_mem(kfd->adev, mqd_mem_obj->gtt_mem);
- kfree(mqd_mem_obj);
- } else {
- kfd_gtt_sa_free(mm->dev, mqd_mem_obj);
- }
-}
-
-static bool is_occupied(struct mqd_manager *mm, void *mqd,
- uint64_t queue_address, uint32_t pipe_id,
- uint32_t queue_id)
-{
- return mm->dev->kfd2kgd->hqd_is_occupied(
- mm->dev->adev, queue_address,
- pipe_id, queue_id);
-}
-
static int get_wave_state(struct mqd_manager *mm, void *mqd,
void __user *ctl_stack,
u32 *ctl_stack_used_size,
@@ -340,6 +301,57 @@ static int get_wave_state(struct mqd_manager *mm, void *mqd,
return 0;
}
+static void get_checkpoint_info(struct mqd_manager *mm, void *mqd, u32 *ctl_stack_size)
+{
+ struct v9_mqd *m = get_mqd(mqd);
+
+ *ctl_stack_size = m->cp_hqd_cntl_stack_size;
+}
+
+static void checkpoint_mqd(struct mqd_manager *mm, void *mqd, void *mqd_dst, void *ctl_stack_dst)
+{
+ struct v9_mqd *m;
+ /* Control stack is located one page after MQD. */
+ void *ctl_stack = (void *)((uintptr_t)mqd + PAGE_SIZE);
+
+ m = get_mqd(mqd);
+
+ memcpy(mqd_dst, m, sizeof(struct v9_mqd));
+ memcpy(ctl_stack_dst, ctl_stack, m->cp_hqd_cntl_stack_size);
+}
+
+static void restore_mqd(struct mqd_manager *mm, void **mqd,
+ struct kfd_mem_obj *mqd_mem_obj, uint64_t *gart_addr,
+ struct queue_properties *qp,
+ const void *mqd_src,
+ const void *ctl_stack_src, u32 ctl_stack_size)
+{
+ uint64_t addr;
+ struct v9_mqd *m;
+ void *ctl_stack;
+
+ m = (struct v9_mqd *) mqd_mem_obj->cpu_ptr;
+ addr = mqd_mem_obj->gpu_addr;
+
+ memcpy(m, mqd_src, sizeof(*m));
+
+ *mqd = m;
+ if (gart_addr)
+ *gart_addr = addr;
+
+ /* Control stack is located one page after MQD. */
+ ctl_stack = (void *)((uintptr_t)*mqd + PAGE_SIZE);
+ memcpy(ctl_stack, ctl_stack_src, ctl_stack_size);
+
+ m->cp_hqd_pq_doorbell_control =
+ qp->doorbell_off <<
+ CP_HQD_PQ_DOORBELL_CONTROL__DOORBELL_OFFSET__SHIFT;
+ pr_debug("cp_hqd_pq_doorbell_control 0x%x\n",
+ m->cp_hqd_pq_doorbell_control);
+
+ qp->is_active = 0;
+}
+
static void init_mqd_hiq(struct mqd_manager *mm, void **mqd,
struct kfd_mem_obj *mqd_mem_obj, uint64_t *gart_addr,
struct queue_properties *q)
@@ -371,15 +383,6 @@ static void init_mqd_sdma(struct mqd_manager *mm, void **mqd,
mm->update_mqd(mm, m, q, NULL);
}
-static int load_mqd_sdma(struct mqd_manager *mm, void *mqd,
- uint32_t pipe_id, uint32_t queue_id,
- struct queue_properties *p, struct mm_struct *mms)
-{
- return mm->dev->kfd2kgd->hqd_sdma_load(mm->dev->adev, mqd,
- (uint32_t __user *)p->write_ptr,
- mms);
-}
-
#define SDMA_RLC_DUMMY_DEFAULT 0xf
static void update_mqd_sdma(struct mqd_manager *mm, void *mqd,
@@ -409,23 +412,40 @@ static void update_mqd_sdma(struct mqd_manager *mm, void *mqd,
q->is_active = QUEUE_IS_ACTIVE(*q);
}
-/*
- * * preempt type here is ignored because there is only one way
- * * to preempt sdma queue
- */
-static int destroy_mqd_sdma(struct mqd_manager *mm, void *mqd,
- enum kfd_preempt_type type,
- unsigned int timeout, uint32_t pipe_id,
- uint32_t queue_id)
+static void checkpoint_mqd_sdma(struct mqd_manager *mm,
+ void *mqd,
+ void *mqd_dst,
+ void *ctl_stack_dst)
{
- return mm->dev->kfd2kgd->hqd_sdma_destroy(mm->dev->adev, mqd, timeout);
+ struct v9_sdma_mqd *m;
+
+ m = get_sdma_mqd(mqd);
+
+ memcpy(mqd_dst, m, sizeof(struct v9_sdma_mqd));
}
-static bool is_occupied_sdma(struct mqd_manager *mm, void *mqd,
- uint64_t queue_address, uint32_t pipe_id,
- uint32_t queue_id)
+static void restore_mqd_sdma(struct mqd_manager *mm, void **mqd,
+ struct kfd_mem_obj *mqd_mem_obj, uint64_t *gart_addr,
+ struct queue_properties *qp,
+ const void *mqd_src,
+ const void *ctl_stack_src, const u32 ctl_stack_size)
{
- return mm->dev->kfd2kgd->hqd_sdma_is_occupied(mm->dev->adev, mqd);
+ uint64_t addr;
+ struct v9_sdma_mqd *m;
+
+ m = (struct v9_sdma_mqd *) mqd_mem_obj->cpu_ptr;
+ addr = mqd_mem_obj->gpu_addr;
+
+ memcpy(m, mqd_src, sizeof(*m));
+
+ m->sdmax_rlcx_doorbell_offset =
+ qp->doorbell_off << SDMA0_RLC0_DOORBELL_OFFSET__OFFSET__SHIFT;
+
+ *mqd = m;
+ if (gart_addr)
+ *gart_addr = addr;
+
+ qp->is_active = 0;
}
#if defined(CONFIG_DEBUG_FS)
@@ -464,12 +484,15 @@ struct mqd_manager *mqd_manager_init_v9(enum KFD_MQD_TYPE type,
case KFD_MQD_TYPE_CP:
mqd->allocate_mqd = allocate_mqd;
mqd->init_mqd = init_mqd;
- mqd->free_mqd = free_mqd;
+ mqd->free_mqd = kfd_free_mqd_cp;
mqd->load_mqd = load_mqd;
mqd->update_mqd = update_mqd;
- mqd->destroy_mqd = destroy_mqd;
- mqd->is_occupied = is_occupied;
+ mqd->destroy_mqd = kfd_destroy_mqd_cp;
+ mqd->is_occupied = kfd_is_occupied_cp;
mqd->get_wave_state = get_wave_state;
+ mqd->get_checkpoint_info = get_checkpoint_info;
+ mqd->checkpoint_mqd = checkpoint_mqd;
+ mqd->restore_mqd = restore_mqd;
mqd->mqd_size = sizeof(struct v9_mqd);
#if defined(CONFIG_DEBUG_FS)
mqd->debugfs_show_mqd = debugfs_show_mqd;
@@ -479,10 +502,10 @@ struct mqd_manager *mqd_manager_init_v9(enum KFD_MQD_TYPE type,
mqd->allocate_mqd = allocate_hiq_mqd;
mqd->init_mqd = init_mqd_hiq;
mqd->free_mqd = free_mqd_hiq_sdma;
- mqd->load_mqd = hiq_load_mqd_kiq;
+ mqd->load_mqd = kfd_hiq_load_mqd_kiq;
mqd->update_mqd = update_mqd;
- mqd->destroy_mqd = destroy_mqd;
- mqd->is_occupied = is_occupied;
+ mqd->destroy_mqd = kfd_destroy_mqd_cp;
+ mqd->is_occupied = kfd_is_occupied_cp;
mqd->mqd_size = sizeof(struct v9_mqd);
#if defined(CONFIG_DEBUG_FS)
mqd->debugfs_show_mqd = debugfs_show_mqd;
@@ -492,11 +515,11 @@ struct mqd_manager *mqd_manager_init_v9(enum KFD_MQD_TYPE type,
case KFD_MQD_TYPE_DIQ:
mqd->allocate_mqd = allocate_mqd;
mqd->init_mqd = init_mqd_hiq;
- mqd->free_mqd = free_mqd;
+ mqd->free_mqd = kfd_free_mqd_cp;
mqd->load_mqd = load_mqd;
mqd->update_mqd = update_mqd;
- mqd->destroy_mqd = destroy_mqd;
- mqd->is_occupied = is_occupied;
+ mqd->destroy_mqd = kfd_destroy_mqd_cp;
+ mqd->is_occupied = kfd_is_occupied_cp;
mqd->mqd_size = sizeof(struct v9_mqd);
#if defined(CONFIG_DEBUG_FS)
mqd->debugfs_show_mqd = debugfs_show_mqd;
@@ -506,10 +529,12 @@ struct mqd_manager *mqd_manager_init_v9(enum KFD_MQD_TYPE type,
mqd->allocate_mqd = allocate_sdma_mqd;
mqd->init_mqd = init_mqd_sdma;
mqd->free_mqd = free_mqd_hiq_sdma;
- mqd->load_mqd = load_mqd_sdma;
+ mqd->load_mqd = kfd_load_mqd_sdma;
mqd->update_mqd = update_mqd_sdma;
- mqd->destroy_mqd = destroy_mqd_sdma;
- mqd->is_occupied = is_occupied_sdma;
+ mqd->destroy_mqd = kfd_destroy_mqd_sdma;
+ mqd->is_occupied = kfd_is_occupied_sdma;
+ mqd->checkpoint_mqd = checkpoint_mqd_sdma;
+ mqd->restore_mqd = restore_mqd_sdma;
mqd->mqd_size = sizeof(struct v9_sdma_mqd);
#if defined(CONFIG_DEBUG_FS)
mqd->debugfs_show_mqd = debugfs_show_mqd_sdma;