forked from Minki/linux
drm/amdgpu: add helper function for kernel submission
Signed-off-by: Chunming Zhou <david1.zhou@amd.com> Reviewed-by: Christian K?nig <christian.koenig@amd.com>
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parent
d1ff9086c1
commit
3c704e934d
drivers/gpu/drm/amd/amdgpu
@ -864,6 +864,13 @@ enum amdgpu_ring_type {
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extern struct amd_sched_backend_ops amdgpu_sched_ops;
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int amdgpu_sched_ib_submit_kernel_helper(struct amdgpu_device *adev,
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struct amdgpu_ring *ring,
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struct amdgpu_ib *ibs,
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unsigned num_ibs,
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int (*free_job)(struct amdgpu_cs_parser *),
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void *owner);
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struct amdgpu_ring {
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struct amdgpu_device *adev;
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const struct amdgpu_ring_funcs *funcs;
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@ -108,3 +108,38 @@ struct amd_sched_backend_ops amdgpu_sched_ops = {
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.process_job = amdgpu_sched_process_job
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};
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int amdgpu_sched_ib_submit_kernel_helper(struct amdgpu_device *adev,
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struct amdgpu_ring *ring,
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struct amdgpu_ib *ibs,
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unsigned num_ibs,
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int (*free_job)(struct amdgpu_cs_parser *),
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void *owner)
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{
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int r = 0;
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if (amdgpu_enable_scheduler) {
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uint64_t v_seq;
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struct amdgpu_cs_parser *sched_job =
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amdgpu_cs_parser_create(adev,
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owner,
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adev->kernel_ctx,
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ibs, 1);
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if(!sched_job) {
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return -ENOMEM;
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}
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sched_job->free_job = free_job;
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v_seq = atomic64_inc_return(&adev->kernel_ctx->rings[ring->idx].c_entity.last_queued_v_seq);
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ibs[num_ibs - 1].sequence = v_seq;
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amd_sched_push_job(ring->scheduler,
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&adev->kernel_ctx->rings[ring->idx].c_entity,
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sched_job);
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r = amd_sched_wait_emit(
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&adev->kernel_ctx->rings[ring->idx].c_entity,
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v_seq,
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false,
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-1);
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if (r)
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WARN(true, "emit timeout\n");
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} else
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r = amdgpu_ib_schedule(adev, 1, ibs, owner);
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return r;
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}
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