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Commit 27f6642d authored by Jammy Zhou's avatar Jammy Zhou Committed by Alex Deucher
Browse files

drm/amdgpu: add amd_sched_next_queued_seq function 



This function is used to get the next queued sequence number

Signed-off-by: default avatarJammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 63ad8d58

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

+1 −1
Original line number Diff line number Diff line
@@ -310,7 +310,7 @@ struct fence *amdgpu_ctx_get_fence(struct amdgpu_ctx *ctx, 


	spin_lock(&ctx->ring_lock);

	if (amdgpu_enable_scheduler)

		queued_seq = atomic64_read(&cring->c_entity.last_queued_v_seq) + 1;

		queued_seq = amd_sched_next_queued_seq(&cring->c_entity);

	else

		queued_seq = cring->sequence;

drivers/gpu/drm/amd/scheduler/gpu_scheduler.c

+12 −0
Original line number Diff line number Diff line
@@ -507,3 +507,15 @@ void amd_sched_emit(struct amd_context_entity *c_entity, uint64_t seq) 
	atomic64_set(&c_entity->last_emitted_v_seq, seq);

	wake_up_all(&c_entity->wait_emit);

}



/**

 * Get next queued sequence number

 *

 * @entity The context entity

 *

 * return the next queued sequence number

*/

uint64_t amd_sched_next_queued_seq(struct amd_context_entity *c_entity)

{

	return atomic64_read(&c_entity->last_queued_v_seq) + 1;

}

drivers/gpu/drm/amd/scheduler/gpu_scheduler.h

+2 −0
Original line number Diff line number Diff line
@@ -153,4 +153,6 @@ int amd_context_entity_init(struct amd_gpu_scheduler *sched, 


void amd_sched_emit(struct amd_context_entity *c_entity, uint64_t seq);



uint64_t amd_sched_next_queued_seq(struct amd_context_entity *c_entity);



#endif