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Commit 3c704e93 authored by Chunming Zhou's avatar Chunming Zhou Committed by Alex Deucher
Browse files

drm/amdgpu: add helper function for kernel submission 



Signed-off-by: default avatarChunming Zhou <david1.zhou@amd.com>
Reviewed-by: default avatarChristian K?nig <christian.koenig@amd.com>
parent d1ff9086

drivers/gpu/drm/amd/amdgpu/amdgpu.h

+7 −0
Original line number Diff line number Diff line
@@ -864,6 +864,13 @@ enum amdgpu_ring_type { 


extern struct amd_sched_backend_ops amdgpu_sched_ops;



int amdgpu_sched_ib_submit_kernel_helper(struct amdgpu_device *adev,

					 struct amdgpu_ring *ring,

					 struct amdgpu_ib *ibs,

					 unsigned num_ibs,

					 int (*free_job)(struct amdgpu_cs_parser *),

					 void *owner);



struct amdgpu_ring {

	struct amdgpu_device		*adev;

	const struct amdgpu_ring_funcs	*funcs;

drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c

+35 −0
Original line number Diff line number Diff line
@@ -108,3 +108,38 @@ struct amd_sched_backend_ops amdgpu_sched_ops = { 
	.process_job = amdgpu_sched_process_job

};



int amdgpu_sched_ib_submit_kernel_helper(struct amdgpu_device *adev,

					 struct amdgpu_ring *ring,

					 struct amdgpu_ib *ibs,

					 unsigned num_ibs,

					 int (*free_job)(struct amdgpu_cs_parser *),

					 void *owner)

{

	int r = 0;

	if (amdgpu_enable_scheduler) {

		uint64_t v_seq;

		struct amdgpu_cs_parser *sched_job =

			amdgpu_cs_parser_create(adev,

						owner,

						adev->kernel_ctx,

						ibs, 1);

		if(!sched_job) {

			return -ENOMEM;

		}

		sched_job->free_job = free_job;

		v_seq = atomic64_inc_return(&adev->kernel_ctx->rings[ring->idx].c_entity.last_queued_v_seq);

		ibs[num_ibs - 1].sequence = v_seq;

		amd_sched_push_job(ring->scheduler,

				   &adev->kernel_ctx->rings[ring->idx].c_entity,

				   sched_job);

		r = amd_sched_wait_emit(

			&adev->kernel_ctx->rings[ring->idx].c_entity,

			v_seq,

			false,

			-1);

		if (r)

			WARN(true, "emit timeout\n");

	} else

		r = amdgpu_ib_schedule(adev, 1, ibs, owner);

	return r;

}