6.5-stable review patch. If anyone has any objections, please let me know.
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From: David Francis David.Francis@amd.com
[ Upstream commit 9296da8c40900b4dae3d973aa22be306e2a77671 ]
The code in kfd_mqd_manager_v11.c to support criu dump and restore of queue state was missing.
Added it; should be equivalent to kfd_mqd_manager_v10.c.
CC: Felix Kuehling felix.kuehling@amd.com Reviewed-by: Harish Kasiviswanathan Harish.Kasiviswanathan@amd.com Acked-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: David Francis David.Francis@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Sasha Levin sashal@kernel.org --- .../gpu/drm/amd/amdkfd/kfd_mqd_manager_v11.c | 41 +++++++++++++++++++ 1 file changed, 41 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v11.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v11.c index 97f754949ca92..352757f2d3202 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v11.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v11.c @@ -321,6 +321,43 @@ static int get_wave_state(struct mqd_manager *mm, void *mqd, return 0; }
+static void checkpoint_mqd(struct mqd_manager *mm, void *mqd, void *mqd_dst, void *ctl_stack_dst) +{ + struct v11_compute_mqd *m; + + m = get_mqd(mqd); + + memcpy(mqd_dst, m, sizeof(struct v11_compute_mqd)); +} + +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, const u32 ctl_stack_size) +{ + uint64_t addr; + struct v11_compute_mqd *m; + + m = (struct v11_compute_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; + + 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) @@ -438,6 +475,8 @@ struct mqd_manager *mqd_manager_init_v11(enum KFD_MQD_TYPE type, mqd->mqd_size = sizeof(struct v11_compute_mqd); mqd->get_wave_state = get_wave_state; mqd->mqd_stride = kfd_mqd_stride; + mqd->checkpoint_mqd = checkpoint_mqd; + mqd->restore_mqd = restore_mqd; #if defined(CONFIG_DEBUG_FS) mqd->debugfs_show_mqd = debugfs_show_mqd; #endif @@ -482,6 +521,8 @@ struct mqd_manager *mqd_manager_init_v11(enum KFD_MQD_TYPE type, mqd->update_mqd = update_mqd_sdma; mqd->destroy_mqd = kfd_destroy_mqd_sdma; mqd->is_occupied = kfd_is_occupied_sdma; + mqd->checkpoint_mqd = checkpoint_mqd; + mqd->restore_mqd = restore_mqd; mqd->mqd_size = sizeof(struct v11_sdma_mqd); mqd->mqd_stride = kfd_mqd_stride; #if defined(CONFIG_DEBUG_FS)